id	sid	tid	token	lemma	pos
43297	1	1	Trancriber	Trancriber	NNP
43297	1	2	's	's	POS
43297	1	3	Note	Note	NNP
43297	1	4	Text	Text	NNP
43297	1	5	emphasis	emphasis	NN
43297	1	6	is	be	VBZ
43297	1	7	displayed	display	VBN
43297	1	8	as	as	IN
43297	1	9	_	_	NNP
43297	1	10	Italic	Italic	NNP
43297	1	11	_	_	NNP
43297	1	12	and	and	CC
43297	1	13	=	=	SYM
43297	1	14	Bold=.	Bold=.	.
43297	2	1	Whole	whole	JJ
43297	2	2	and	and	CC
43297	2	3	fractional	fractional	JJ
43297	2	4	parts	part	NNS
43297	2	5	are	be	VBP
43297	2	6	displayed	display	VBN
43297	2	7	as	as	IN
43297	2	8	8	8	CD
43297	2	9	-	-	SYM
43297	2	10	1/2	1/2	CD
43297	2	11	.	.	.
43297	3	1	Although	although	IN
43297	3	2	in	in	IN
43297	3	3	general	general	JJ
43297	3	4	,	,	,
43297	3	5	subscripts	subscript	NNS
43297	3	6	are	be	VBP
43297	3	7	denoted	denote	VBN
43297	3	8	_	_	NNP
43297	3	9	{	{	-LRB-
43297	3	10	#	#	NNP
43297	3	11	}	}	-RRB-
43297	3	12	.	.	.
43297	4	1	The	the	DT
43297	4	2	formulae	formula	NNS
43297	4	3	for	for	IN
43297	4	4	the	the	DT
43297	4	5	minerals	mineral	NNS
43297	4	6	are	be	VBP
43297	4	7	presented	present	VBN
43297	4	8	as	as	IN
43297	4	9	K2OAl2O3·6SiO2	K2OAl2O3·6SiO2	NNP
43297	4	10	(	(	-LRB-
43297	4	11	Orthoclase	Orthoclase	NNP
43297	4	12	)	)	-RRB-
43297	4	13	where	where	WRB
43297	4	14	the	the	DT
43297	4	15	number	number	NN
43297	4	16	following	follow	VBG
43297	4	17	the	the	DT
43297	4	18	element	element	NN
43297	4	19	would	would	MD
43297	4	20	normally	normally	RB
43297	4	21	be	be	VB
43297	4	22	subscripted	subscripte	VBN
43297	4	23	.	.	.
43297	5	1	The	the	DT
43297	5	2	Cambridge	Cambridge	NNP
43297	5	3	Manuals	Manuals	NNPS
43297	5	4	of	of	IN
43297	5	5	Science	Science	NNP
43297	5	6	and	and	CC
43297	5	7	Literature	Literature	NNP
43297	5	8	THE	the	DT
43297	5	9	NATURAL	natural	JJ
43297	5	10	HISTORY	history	NN
43297	5	11	OF	of	IN
43297	5	12	CLAY	CLAY	NNP
43297	5	13	CAMBRIDGE	CAMBRIDGE	NNP
43297	5	14	UNIVERSITY	UNIVERSITY	NNP
43297	5	15	PRESS	PRESS	NNP
43297	5	16	London	London	NNP
43297	5	17	:	:	:
43297	5	18	FETTER	FETTER	NNP
43297	5	19	LANE	LANE	NNP
43297	5	20	,	,	,
43297	5	21	E.C.	E.C.	NNP
43297	6	1	C.	C.	NNP
43297	6	2	F.	F.	NNP
43297	6	3	CLAY	CLAY	NNP
43297	6	4	,	,	,
43297	6	5	Manager	Manager	NNP
43297	6	6	[	[	-LRB-
43297	6	7	Illustration	Illustration	NNP
43297	6	8	]	]	-RRB-
43297	6	9	Edinburgh	Edinburgh	NNP
43297	6	10	:	:	:
43297	6	11	100	100	CD
43297	6	12	,	,	,
43297	6	13	PRINCES	PRINCES	NNP
43297	6	14	STREET	STREET	NNP
43297	6	15	London	London	NNP
43297	6	16	:	:	:
43297	6	17	WILLIAM	WILLIAM	NNP
43297	6	18	WESLEY	WESLEY	NNP
43297	6	19	AND	and	CC
43297	6	20	SON	SON	NNP
43297	6	21	,	,	,
43297	6	22	28	28	CD
43297	6	23	,	,	,
43297	6	24	ESSEX	ESSEX	NNP
43297	6	25	STREET	STREET	NNP
43297	6	26	,	,	,
43297	6	27	STRAND	STRAND	NNP
43297	6	28	Berlin	Berlin	NNP
43297	6	29	:	:	:
43297	6	30	A.	a.	NN
43297	6	31	ASHER	ASHER	NNP
43297	6	32	AND	and	CC
43297	6	33	CO	CO	NNP
43297	6	34	.	.	.
43297	6	35	Leipzig	Leipzig	NNP
43297	6	36	:	:	:
43297	6	37	F.	F.	NNP
43297	6	38	A.	a.	NN
43297	6	39	BROCKHAUS	BROCKHAUS	NNP
43297	6	40	New	New	NNP
43297	6	41	York	York	NNP
43297	6	42	:	:	:
43297	6	43	G.	G.	NNP
43297	6	44	P.	P.	NNP
43297	6	45	PUTNAM	PUTNAM	NNP
43297	6	46	'S	's	POS
43297	6	47	SONS	SONS	NNP
43297	6	48	Bombay	Bombay	NNP
43297	6	49	and	and	CC
43297	6	50	Calcutta	Calcutta	NNP
43297	6	51	:	:	:
43297	6	52	MACMILLAN	MACMILLAN	NNP
43297	6	53	AND	and	CC
43297	6	54	CO	CO	NNP
43297	6	55	.	.	NNP
43297	6	56	,	,	,
43297	6	57	Ltd.	Ltd.	NNP
43297	6	58	_	_	NNP
43297	6	59	All	All	NNP
43297	6	60	rights	right	NNS
43297	6	61	reserved	reserve	VBN
43297	6	62	_	_	NNP
43297	6	63	[	[	-LRB-
43297	6	64	Illustration	illustration	NN
43297	6	65	]	]	-RRB-
43297	6	66	THE	the	DT
43297	6	67	NATURAL	natural	JJ
43297	6	68	HISTORY	history	NN
43297	6	69	OF	of	IN
43297	6	70	CLAY	clay	NN
43297	6	71	BY	by	IN
43297	6	72	ALFRED	ALFRED	NNP
43297	6	73	B.	B.	NNP
43297	6	74	SEARLE	SEARLE	NNP
43297	6	75	Cantor	Cantor	NNP
43297	6	76	Lecturer	Lecturer	NNP
43297	6	77	on	on	IN
43297	6	78	Brickmaking	Brickmaking	NNP
43297	6	79	,	,	,
43297	6	80	Author	Author	NNP
43297	6	81	of	of	IN
43297	6	82	_	_	NNP
43297	6	83	British	British	NNP
43297	6	84	Clays	Clays	NNP
43297	6	85	,	,	,
43297	6	86	Shales	Shales	NNPS
43297	6	87	and	and	CC
43297	6	88	Sands	Sands	NNPS
43297	6	89	_	_	NNP
43297	6	90	;	;	:
43297	6	91	_	_	NNP
43297	6	92	The	the	DT
43297	6	93	Clayworker	Clayworker	NNP
43297	6	94	's	's	POS
43297	6	95	Handbook	Handbook	NNP
43297	6	96	_	_	NNP
43297	6	97	,	,	,
43297	6	98	etc	etc	FW
43297	6	99	.	.	FW
43297	6	100	,	,	,
43297	6	101	etc	etc	FW
43297	6	102	.	.	.
43297	7	1	Cambridge	Cambridge	NNP
43297	7	2	:	:	:
43297	7	3	at	at	IN
43297	7	4	the	the	DT
43297	7	5	University	University	NNP
43297	7	6	Press	Press	NNP
43297	7	7	New	New	NNP
43297	7	8	York	York	NNP
43297	7	9	:	:	:
43297	7	10	G.	G.	NNP
43297	7	11	P.	P.	NNP
43297	7	12	Putnam	Putnam	NNP
43297	7	13	's	's	POS
43297	7	14	Sons	Sons	NNPS
43297	7	15	1912	1912	CD
43297	7	16	Cambridge	Cambridge	NNP
43297	7	17	:	:	:
43297	7	18	PRINTED	print	VBN
43297	7	19	BY	by	IN
43297	7	20	JOHN	JOHN	NNP
43297	7	21	CLAY	CLAY	NNP
43297	7	22	,	,	,
43297	7	23	M.A.	M.A.	NNP
43297	8	1	AT	at	IN
43297	8	2	THE	the	DT
43297	8	3	UNIVERSITY	UNIVERSITY	NNP
43297	8	4	PRESS	PRESS	NNP
43297	8	5	_	_	XX
43297	8	6	With	with	IN
43297	8	7	the	the	DT
43297	8	8	exception	exception	NN
43297	8	9	of	of	IN
43297	8	10	the	the	DT
43297	8	11	coat	coat	NN
43297	8	12	of	of	IN
43297	8	13	arms	arm	NNS
43297	8	14	at	at	IN
43297	8	15	the	the	DT
43297	8	16	foot	foot	NN
43297	8	17	,	,	,
43297	8	18	the	the	DT
43297	8	19	design	design	NN
43297	8	20	on	on	IN
43297	8	21	the	the	DT
43297	8	22	title	title	NN
43297	8	23	page	page	NN
43297	8	24	is	be	VBZ
43297	8	25	a	a	DT
43297	8	26	reproduction	reproduction	NN
43297	8	27	of	of	IN
43297	8	28	one	one	CD
43297	8	29	used	use	VBN
43297	8	30	by	by	IN
43297	8	31	the	the	DT
43297	8	32	earliest	early	JJS
43297	8	33	known	know	VBN
43297	8	34	Cambridge	Cambridge	NNP
43297	8	35	printer	printer	NN
43297	8	36	,	,	,
43297	8	37	John	John	NNP
43297	8	38	Siberch	Siberch	NNP
43297	8	39	,	,	,
43297	8	40	1521	1521	CD
43297	8	41	_	_	NNP
43297	8	42	PREFACE	PREFACE	NNP
43297	8	43	Both	both	DT
43297	8	44	as	as	IN
43297	8	45	raw	raw	JJ
43297	8	46	materials	material	NNS
43297	8	47	and	and	CC
43297	8	48	in	in	IN
43297	8	49	the	the	DT
43297	8	50	form	form	NN
43297	8	51	of	of	IN
43297	8	52	pottery	pottery	NN
43297	8	53	,	,	,
43297	8	54	bricks	brick	NNS
43297	8	55	,	,	,
43297	8	56	tiles	tile	NNS
43297	8	57	,	,	,
43297	8	58	terra	terra	NNP
43297	8	59	-	-	HYPH
43297	8	60	cotta	cotta	NNP
43297	8	61	and	and	CC
43297	8	62	many	many	JJ
43297	8	63	other	other	JJ
43297	8	64	articles	article	NNS
43297	8	65	of	of	IN
43297	8	66	use	use	NN
43297	8	67	and	and	CC
43297	8	68	ornament	ornament	NN
43297	8	69	,	,	,
43297	8	70	clays	clay	NNS
43297	8	71	are	be	VBP
43297	8	72	amongst	amongst	IN
43297	8	73	the	the	DT
43297	8	74	most	most	RBS
43297	8	75	important	important	JJ
43297	8	76	rock	rock	NN
43297	8	77	products	product	NNS
43297	8	78	.	.	.
43297	9	1	Yet	yet	RB
43297	9	2	the	the	DT
43297	9	3	origin	origin	NN
43297	9	4	of	of	IN
43297	9	5	the	the	DT
43297	9	6	substances	substance	NNS
43297	9	7	we	-PRON-	PRP
43297	9	8	know	know	VBP
43297	9	9	as	as	IN
43297	9	10	'	'	``
43297	9	11	clay	clay	NN
43297	9	12	,	,	,
43297	9	13	'	'	''
43297	9	14	the	the	DT
43297	9	15	processes	process	NNS
43297	9	16	occurring	occur	VBG
43297	9	17	in	in	IN
43297	9	18	its	-PRON-	PRP$
43297	9	19	formation	formation	NN
43297	9	20	and	and	CC
43297	9	21	the	the	DT
43297	9	22	causes	cause	NNS
43297	9	23	of	of	IN
43297	9	24	some	some	DT
43297	9	25	of	of	IN
43297	9	26	the	the	DT
43297	9	27	most	most	RBS
43297	9	28	important	important	JJ
43297	9	29	of	of	IN
43297	9	30	its	-PRON-	PRP$
43297	9	31	characteristics	characteristic	NNS
43297	9	32	are	be	VBP
43297	9	33	of	of	IN
43297	9	34	such	such	PDT
43297	9	35	a	a	DT
43297	9	36	nature	nature	NN
43297	9	37	that	that	IN
43297	9	38	it	-PRON-	PRP
43297	9	39	is	be	VBZ
43297	9	40	remarkable	remarkable	JJ
43297	9	41	that	that	IN
43297	9	42	its	-PRON-	PRP$
43297	9	43	use	use	NN
43297	9	44	should	should	MD
43297	9	45	have	have	VB
43297	9	46	become	become	VBN
43297	9	47	so	so	RB
43297	9	48	extended	extended	JJ
43297	9	49	in	in	IN
43297	9	50	the	the	DT
43297	9	51	arts	art	NNS
43297	9	52	and	and	CC
43297	9	53	sciences	science	NNS
43297	9	54	,	,	,
43297	9	55	while	while	IN
43297	9	56	we	-PRON-	PRP
43297	9	57	know	know	VBP
43297	9	58	so	so	RB
43297	9	59	little	little	JJ
43297	9	60	of	of	IN
43297	9	61	its	-PRON-	PRP$
43297	9	62	properties	property	NNS
43297	9	63	when	when	WRB
43297	9	64	in	in	IN
43297	9	65	a	a	DT
43297	9	66	pure	pure	JJ
43297	9	67	state	state	NN
43297	9	68	.	.	.
43297	10	1	In	in	IN
43297	10	2	the	the	DT
43297	10	3	following	follow	VBG
43297	10	4	pages	page	NNS
43297	10	5	an	an	DT
43297	10	6	attempt	attempt	NN
43297	10	7	has	have	VBZ
43297	10	8	been	be	VBN
43297	10	9	made	make	VBN
43297	10	10	to	to	TO
43297	10	11	state	state	NN
43297	10	12	in	in	IN
43297	10	13	a	a	DT
43297	10	14	simple	simple	JJ
43297	10	15	form	form	NN
43297	10	16	an	an	DT
43297	10	17	outline	outline	NN
43297	10	18	of	of	IN
43297	10	19	our	-PRON-	PRP$
43297	10	20	present	present	JJ
43297	10	21	knowledge	knowledge	NN
43297	10	22	of	of	IN
43297	10	23	the	the	DT
43297	10	24	subject	subject	NN
43297	10	25	and	and	CC
43297	10	26	to	to	TO
43297	10	27	indicate	indicate	VB
43297	10	28	the	the	DT
43297	10	29	problems	problem	NNS
43297	10	30	which	which	WDT
43297	10	31	still	still	RB
43297	10	32	lie	lie	VBP
43297	10	33	before	before	IN
43297	10	34	us	-PRON-	PRP
43297	10	35	.	.	.
43297	11	1	The	the	DT
43297	11	2	experimental	experimental	JJ
43297	11	3	solution	solution	NN
43297	11	4	of	of	IN
43297	11	5	these	these	DT
43297	11	6	problems	problem	NNS
43297	11	7	is	be	VBZ
43297	11	8	rendered	render	VBN
43297	11	9	peculiarly	peculiarly	RB
43297	11	10	difficult	difficult	JJ
43297	11	11	by	by	IN
43297	11	12	the	the	DT
43297	11	13	inertness	inertness	NN
43297	11	14	of	of	IN
43297	11	15	the	the	DT
43297	11	16	materials	material	NNS
43297	11	17	at	at	IN
43297	11	18	ordinary	ordinary	JJ
43297	11	19	temperatures	temperature	NNS
43297	11	20	and	and	CC
43297	11	21	the	the	DT
43297	11	22	ease	ease	NN
43297	11	23	with	with	IN
43297	11	24	which	which	WDT
43297	11	25	the	the	DT
43297	11	26	clay	clay	NN
43297	11	27	molecule	molecule	NN
43297	11	28	appears	appear	VBZ
43297	11	29	to	to	TO
43297	11	30	break	break	VB
43297	11	31	down	down	RP
43297	11	32	into	into	IN
43297	11	33	its	-PRON-	PRP$
43297	11	34	constituent	constituent	NN
43297	11	35	oxides	oxide	NNS
43297	11	36	at	at	IN
43297	11	37	temperatures	temperature	NNS
43297	11	38	approaching	approach	VBG
43297	11	39	red	red	JJ
43297	11	40	heat	heat	NN
43297	11	41	or	or	CC
43297	11	42	as	as	RB
43297	11	43	soon	soon	RB
43297	11	44	as	as	IN
43297	11	45	it	-PRON-	PRP
43297	11	46	begins	begin	VBZ
43297	11	47	to	to	TO
43297	11	48	react	react	VB
43297	11	49	with	with	IN
43297	11	50	alkaline	alkaline	NN
43297	11	51	or	or	CC
43297	11	52	basic	basic	JJ
43297	11	53	materials	material	NNS
43297	11	54	.	.	.
43297	12	1	Another	another	DT
43297	12	2	serious	serious	JJ
43297	12	3	difficulty	difficulty	NN
43297	12	4	is	be	VBZ
43297	12	5	the	the	DT
43297	12	6	highly	highly	RB
43297	12	7	complex	complex	JJ
43297	12	8	nature	nature	NN
43297	12	9	of	of	IN
43297	12	10	that	that	DT
43297	12	11	property	property	NN
43297	12	12	known	know	VBN
43297	12	13	as	as	IN
43297	12	14	'	'	``
43297	12	15	plasticity	plasticity	NN
43297	12	16	'	'	''
43297	12	17	to	to	TO
43297	12	18	which	which	WDT
43297	12	19	many	many	JJ
43297	12	20	clays	clay	NNS
43297	12	21	owe	owe	VBP
43297	12	22	their	-PRON-	PRP$
43297	12	23	chief	chief	JJ
43297	12	24	value	value	NN
43297	12	25	.	.	.
43297	13	1	For	for	IN
43297	13	2	many	many	JJ
43297	13	3	years	year	NNS
43297	13	4	this	this	DT
43297	13	5	has	have	VBZ
43297	13	6	been	be	VBN
43297	13	7	regarded	regard	VBN
43297	13	8	as	as	IN
43297	13	9	an	an	DT
43297	13	10	elementary	elementary	JJ
43297	13	11	property	property	NN
43297	13	12	such	such	JJ
43297	13	13	as	as	IN
43297	13	14	hardness	hardness	NN
43297	13	15	,	,	,
43297	13	16	cohesion	cohesion	NN
43297	13	17	or	or	CC
43297	13	18	colour	colour	NN
43297	13	19	,	,	,
43297	13	20	but	but	CC
43297	13	21	it	-PRON-	PRP
43297	13	22	is	be	VBZ
43297	13	23	now	now	RB
43297	13	24	known	know	VBN
43297	13	25	to	to	TO
43297	13	26	be	be	VB
43297	13	27	of	of	IN
43297	13	28	so	so	RB
43297	13	29	elusive	elusive	JJ
43297	13	30	a	a	DT
43297	13	31	nature	nature	NN
43297	13	32	as	as	IN
43297	13	33	almost	almost	RB
43297	13	34	to	to	TO
43297	13	35	defy	defy	VB
43297	13	36	measurement	measurement	NN
43297	13	37	with	with	IN
43297	13	38	any	any	DT
43297	13	39	degree	degree	NN
43297	13	40	of	of	IN
43297	13	41	accuracy	accuracy	NN
43297	13	42	.	.	.
43297	14	1	The	the	DT
43297	14	2	thoroughness	thoroughness	NN
43297	14	3	with	with	IN
43297	14	4	which	which	WDT
43297	14	5	the	the	DT
43297	14	6	methods	method	NNS
43297	14	7	of	of	IN
43297	14	8	physical	physical	JJ
43297	14	9	chemistry	chemistry	NN
43297	14	10	have	have	VBP
43297	14	11	been	be	VBN
43297	14	12	applied	apply	VBN
43297	14	13	to	to	IN
43297	14	14	geological	geological	JJ
43297	14	15	and	and	CC
43297	14	16	mineralogical	mineralogical	JJ
43297	14	17	problems	problem	NNS
43297	14	18	during	during	IN
43297	14	19	recent	recent	JJ
43297	14	20	years	year	NNS
43297	14	21	has	have	VBZ
43297	14	22	been	be	VBN
43297	14	23	of	of	IN
43297	14	24	very	very	RB
43297	14	25	great	great	JJ
43297	14	26	assistance	assistance	NN
43297	14	27	to	to	IN
43297	14	28	the	the	DT
43297	14	29	student	student	NN
43297	14	30	of	of	IN
43297	14	31	clay	clay	NN
43297	14	32	problems	problem	NNS
43297	14	33	,	,	,
43297	14	34	as	as	IN
43297	14	35	will	will	MD
43297	14	36	be	be	VB
43297	14	37	seen	see	VBN
43297	14	38	on	on	IN
43297	14	39	studying	study	VBG
43297	14	40	some	some	DT
43297	14	41	of	of	IN
43297	14	42	the	the	DT
43297	14	43	works	work	NNS
43297	14	44	mentioned	mention	VBN
43297	14	45	in	in	IN
43297	14	46	the	the	DT
43297	14	47	short	short	JJ
43297	14	48	bibliography	bibliography	NN
43297	14	49	at	at	IN
43297	14	50	the	the	DT
43297	14	51	end	end	NN
43297	14	52	of	of	IN
43297	14	53	the	the	DT
43297	14	54	present	present	JJ
43297	14	55	volume	volume	NN
43297	14	56	.	.	.
43297	15	1	When	when	WRB
43297	15	2	the	the	DT
43297	15	3	principles	principle	NNS
43297	15	4	of	of	IN
43297	15	5	hydrolysis	hydrolysis	NN
43297	15	6	,	,	,
43297	15	7	ionization	ionization	NN
43297	15	8	,	,	,
43297	15	9	mass	mass	NN
43297	15	10	reaction	reaction	NN
43297	15	11	and	and	CC
43297	15	12	reactional	reactional	JJ
43297	15	13	velocity	velocity	NN
43297	15	14	have	have	VBP
43297	15	15	been	be	VBN
43297	15	16	applied	apply	VBN
43297	15	17	in	in	IN
43297	15	18	still	still	RB
43297	15	19	further	further	JJ
43297	15	20	detail	detail	NN
43297	15	21	to	to	IN
43297	15	22	the	the	DT
43297	15	23	study	study	NN
43297	15	24	of	of	IN
43297	15	25	clays	clay	NNS
43297	15	26	,	,	,
43297	15	27	our	-PRON-	PRP$
43297	15	28	knowledge	knowledge	NN
43297	15	29	of	of	IN
43297	15	30	their	-PRON-	PRP$
43297	15	31	natural	natural	JJ
43297	15	32	history	history	NN
43297	15	33	will	will	MD
43297	15	34	increase	increase	VB
43297	15	35	even	even	RB
43297	15	36	more	more	RBR
43297	15	37	rapidly	rapidly	RB
43297	15	38	than	than	IN
43297	15	39	it	-PRON-	PRP
43297	15	40	has	have	VBZ
43297	15	41	done	do	VBN
43297	15	42	during	during	IN
43297	15	43	the	the	DT
43297	15	44	past	past	JJ
43297	15	45	few	few	JJ
43297	15	46	years	year	NNS
43297	15	47	.	.	.
43297	16	1	No	no	DT
43297	16	2	industry	industry	NN
43297	16	3	exercises	exercise	VBZ
43297	16	4	so	so	RB
43297	16	5	great	great	JJ
43297	16	6	a	a	DT
43297	16	7	fascination	fascination	NN
43297	16	8	over	over	IN
43297	16	9	those	those	DT
43297	16	10	engaged	engage	VBN
43297	16	11	in	in	IN
43297	16	12	it	-PRON-	PRP
43297	16	13	as	as	IN
43297	16	14	do	do	VBP
43297	16	15	the	the	DT
43297	16	16	various	various	JJ
43297	16	17	branches	branch	NNS
43297	16	18	of	of	IN
43297	16	19	clayworking	clayworke	VBG
43297	16	20	;	;	:
43297	16	21	no	no	DT
43297	16	22	other	other	JJ
43297	16	23	substance	substance	NN
43297	16	24	offers	offer	VBZ
43297	16	25	so	so	RB
43297	16	26	many	many	JJ
43297	16	27	problems	problem	NNS
43297	16	28	of	of	IN
43297	16	29	such	such	JJ
43297	16	30	absorbing	absorb	VBG
43297	16	31	interest	interest	NN
43297	16	32	to	to	IN
43297	16	33	the	the	DT
43297	16	34	artist	artist	NN
43297	16	35	,	,	,
43297	16	36	the	the	DT
43297	16	37	craftsman	craftsman	NN
43297	16	38	,	,	,
43297	16	39	the	the	DT
43297	16	40	geologist	geologist	NN
43297	16	41	,	,	,
43297	16	42	the	the	DT
43297	16	43	chemist	chemist	NN
43297	16	44	and	and	CC
43297	16	45	the	the	DT
43297	16	46	general	general	JJ
43297	16	47	student	student	NN
43297	16	48	of	of	IN
43297	16	49	nature	nature	NN
43297	16	50	,	,	,
43297	16	51	whilst	whilst	IN
43297	16	52	the	the	DT
43297	16	53	differences	difference	NNS
43297	16	54	in	in	IN
43297	16	55	legal	legal	JJ
43297	16	56	opinion	opinion	NN
43297	16	57	as	as	IN
43297	16	58	to	to	IN
43297	16	59	the	the	DT
43297	16	60	nature	nature	NN
43297	16	61	of	of	IN
43297	16	62	clay	clay	NN
43297	16	63	could	could	MD
43297	16	64	themselves	-PRON-	PRP
43297	16	65	occupy	occupy	VB
43297	16	66	a	a	DT
43297	16	67	volume	volume	NN
43297	16	68	far	far	RB
43297	16	69	larger	large	JJR
43297	16	70	than	than	IN
43297	16	71	the	the	DT
43297	16	72	present	present	JJ
43297	16	73	one	one	CD
43297	16	74	.	.	.
43297	17	1	A.	A.	NNP
43297	18	1	B.	B.	NNP
43297	18	2	S.	S.	NNP
43297	18	3	The	the	DT
43297	18	4	White	White	NNP
43297	18	5	Building	Building	NNP
43297	18	6	,	,	,
43297	18	7	Sheffield	Sheffield	NNP
43297	18	8	.	.	.
43297	19	1	_	_	NNP
43297	19	2	November	November	NNP
43297	19	3	1911	1911	CD
43297	19	4	.	.	.
43297	19	5	_	_	NNP
43297	19	6	CONTENTS	CONTENTS	NNP
43297	19	7	CHAP	CHAP	NNP
43297	19	8	.	.	.
43297	20	1	PAGE	page	NN
43297	20	2	Table	table	NN
43297	20	3	of	of	IN
43297	20	4	clay	clay	NN
43297	20	5	rocks	rock	NNS
43297	20	6	viii	viii	VBP
43297	20	7	I	-PRON-	PRP
43297	20	8	Introduction	introduction	NN
43297	20	9	.	.	.
43297	21	1	The	the	DT
43297	21	2	chemical	chemical	JJ
43297	21	3	and	and	CC
43297	21	4	physical	physical	JJ
43297	21	5	properties	property	NNS
43297	21	6	of	of	IN
43297	21	7	clays	clay	NNS
43297	21	8	1	1	CD
43297	21	9	II	II	NNP
43297	21	10	Clay	Clay	NNP
43297	21	11	and	and	CC
43297	21	12	associated	associate	VBN
43297	21	13	rocks	rock	NNS
43297	21	14	48	48	CD
43297	21	15	III	iii	CD
43297	21	16	The	the	DT
43297	21	17	origins	origin	NNS
43297	21	18	of	of	IN
43297	21	19	clays	clay	NNS
43297	21	20	70	70	CD
43297	21	21	IV	iv	NN
43297	21	22	The	the	DT
43297	21	23	modes	mode	NNS
43297	21	24	of	of	IN
43297	21	25	accumulation	accumulation	NN
43297	21	26	of	of	IN
43297	21	27	clays	clay	NNS
43297	21	28	84	84	CD
43297	21	29	V	V	NNP
43297	21	30	Some	some	DT
43297	21	31	clays	clay	NNS
43297	21	32	of	of	IN
43297	21	33	commercial	commercial	JJ
43297	21	34	importance	importance	NN
43297	21	35	103	103	CD
43297	21	36	VI	VI	NNP
43297	21	37	Clay	Clay	NNP
43297	21	38	-	-	HYPH
43297	21	39	substance	substance	NN
43297	21	40	:	:	:
43297	21	41	theoretical	theoretical	JJ
43297	21	42	and	and	CC
43297	21	43	actual	actual	JJ
43297	21	44	135	135	CD
43297	21	45	Bibliography	Bibliography	NNP
43297	21	46	168	168	CD
43297	21	47	Index	Index	NNP
43297	21	48	170	170	CD
43297	21	49	LIST	LIST	NNP
43297	21	50	OF	of	IN
43297	21	51	ILLUSTRATIONS	illustrations	JJ
43297	21	52	FIG	FIG	NNP
43297	21	53	.	.	.
43297	22	1	1	1	CD
43297	22	2	Quartz	quartz	NN
43297	22	3	crystals	crystal	NNS
43297	22	4	9	9	CD
43297	22	5	2	2	CD
43297	22	6	Pyrite	Pyrite	NNP
43297	22	7	14	14	CD
43297	22	8	3	3	CD
43297	22	9	Marcasite	Marcasite	NNP
43297	22	10	14	14	CD
43297	22	11	4	4	CD
43297	22	12	Illustrating	illustrate	VBG
43297	22	13	the	the	DT
43297	22	14	structure	structure	NN
43297	22	15	of	of	IN
43297	22	16	a	a	DT
43297	22	17	'	'	``
43297	22	18	clay	clay	NN
43297	22	19	crumb	crumb	NN
43297	22	20	'	'	CD
43297	22	21	24	24	CD
43297	22	22	5	5	CD
43297	22	23	Chart	Chart	NNP
43297	22	24	showing	show	VBG
43297	22	25	rates	rate	NNS
43297	22	26	of	of	IN
43297	22	27	drying	dry	VBG
43297	22	28	27	27	CD
43297	22	29	6	6	CD
43297	22	30	Seger	Seger	NNP
43297	22	31	Cones	Cones	NNP
43297	22	32	indicating	indicate	VBG
43297	22	33	a	a	DT
43297	22	34	temperature	temperature	NN
43297	22	35	of	of	IN
43297	22	36	1250	1250	CD
43297	22	37	°	°	,
43297	22	38	C.	C.	NNP
43297	22	39	34	34	CD
43297	22	40	7	7	CD
43297	22	41	Ludwig	Ludwig	NNP
43297	22	42	's	's	POS
43297	22	43	Chart	Chart	NNP
43297	22	44	36	36	CD
43297	22	45	8	8	CD
43297	22	46	Coal	coal	NN
43297	22	47	Measures	measure	NNS
43297	22	48	sequence	sequence	NN
43297	22	49	in	in	IN
43297	22	50	North	North	NNP
43297	22	51	Staffordshire	Staffordshire	NNP
43297	22	52	55	55	CD
43297	22	53	9	9	CD
43297	22	54	Lias	Lias	NNP
43297	22	55	clay	clay	NN
43297	22	56	being	be	VBG
43297	22	57	worked	work	VBN
43297	22	58	for	for	IN
43297	22	59	the	the	DT
43297	22	60	manufacture	manufacture	NN
43297	22	61	of	of	IN
43297	22	62	hand	hand	NN
43297	22	63	-	-	HYPH
43297	22	64	made	make	VBN
43297	22	65	sand	sand	NN
43297	22	66	-	-	HYPH
43297	22	67	faced	face	VBN
43297	22	68	roofing	roofing	NN
43297	22	69	tiles	tile	NNS
43297	22	70	58	58	CD
43297	22	71	10	10	CD
43297	22	72	Oxford	Oxford	NNP
43297	22	73	clay	clay	NN
43297	22	74	near	near	IN
43297	22	75	Peterborough	Peterborough	NNP
43297	22	76	60	60	CD
43297	22	77	11	11	CD
43297	22	78	Cliffs	Cliffs	NNPS
43297	22	79	of	of	IN
43297	22	80	Boulder	Boulder	NNP
43297	22	81	clay	clay	NN
43297	22	82	at	at	IN
43297	22	83	Filey	Filey	NNP
43297	22	84	lying	lie	VBG
43297	22	85	on	on	IN
43297	22	86	Calcareous	Calcareous	NNP
43297	22	87	Crag	Crag	NNP
43297	22	88	66	66	CD
43297	22	89	12	12	CD
43297	22	90	China	China	NNP
43297	22	91	clay	clay	NN
43297	22	92	pit	pit	NN
43297	22	93	belonging	belong	VBG
43297	22	94	to	to	IN
43297	22	95	the	the	DT
43297	22	96	North	North	NNP
43297	22	97	Cornwall	Cornwall	NNP
43297	22	98	China	China	NNP
43297	22	99	Clay	Clay	NNP
43297	22	100	Co.	Co.	NNP
43297	22	101	72	72	CD
43297	22	102	13	13	CD
43297	22	103	Orthoclase	Orthoclase	NNP
43297	22	104	Felspar	Felspar	NNP
43297	22	105	75	75	CD
43297	22	106	14	14	CD
43297	22	107	Illustrating	illustrate	VBG
43297	22	108	the	the	DT
43297	22	109	successive	successive	JJ
43297	22	110	deposition	deposition	NN
43297	22	111	of	of	IN
43297	22	112	different	different	JJ
43297	22	113	strata	strata	NN
43297	22	114	90	90	CD
43297	22	115	15	15	CD
43297	22	116	Lacustrine	Lacustrine	NNP
43297	22	117	clay	clay	NN
43297	22	118	at	at	IN
43297	22	119	Skipsea	Skipsea	NNP
43297	22	120	92	92	CD
43297	22	121	16	16	CD
43297	22	122	Clay	clay	NN
43297	22	123	at	at	IN
43297	22	124	Nostel	Nostel	NNP
43297	22	125	,	,	,
43297	22	126	showing	show	VBG
43297	22	127	Marine	Marine	NNP
43297	22	128	Band	Band	NNP
43297	22	129	94	94	CD
43297	22	130	17	17	CD
43297	22	131	Kaolinite	Kaolinite	NNP
43297	22	132	and	and	CC
43297	22	133	Mica	Mica	NNP
43297	22	134	105	105	CD
43297	22	135	18	18	CD
43297	22	136	Mining	mining	NN
43297	22	137	best	good	JJS
43297	22	138	Potter	Potter	NNP
43297	22	139	's	's	POS
43297	22	140	clay	clay	NN
43297	22	141	in	in	IN
43297	22	142	Devonshire	Devonshire	NNP
43297	22	143	111	111	CD
43297	22	144	THE	the	DT
43297	22	145	CHIEF	chief	JJ
43297	22	146	CLAY	clay	NN
43297	22	147	ROCKS	rock	NNS
43297	22	148	(	(	-LRB-
43297	22	149	arranged	arrange	VBN
43297	22	150	geologically	geologically	RB
43297	22	151	)	)	-RRB-
43297	22	152	+	+	NFP
43297	22	153	--------------------------------------------------------+	--------------------------------------------------------+	NFP
43297	22	154	{	{	-LRB-
43297	22	155	|Recent	|recent	NN
43297	22	156	(	(	-LRB-
43297	22	157	_	_	NNP
43297	22	158	alluvial	alluvial	JJ
43297	22	159	clay	clay	NN
43297	22	160	_	_	NNP
43297	22	161	,	,	,
43297	22	162	_	_	NNP
43297	22	163	silt	silt	NN
43297	22	164	_	_	NNP
43297	22	165	,	,	,
43297	22	166	_	_	NNP
43297	22	167	brick	brick	NN
43297	22	168	earths	earth	VBZ
43297	22	169	_	_	NNP
43297	22	170	,	,	,
43297	22	171	|	|	NNP
43297	22	172	{	{	-LRB-
43297	22	173	|	|	NNP
43297	22	174	_	_	NNP
43297	22	175	boulder	boulder	NN
43297	22	176	clay	clay	NN
43297	22	177	_	_	NNP
43297	22	178	)	)	-RRB-
43297	22	179	|	|	NNP
43297	22	180	{	{	-LRB-
43297	22	181	|--------------------------------------------------------|	|--------------------------------------------------------|	NNP
43297	22	182	Tertiary	Tertiary	NNP
43297	22	183	{	{	-LRB-
43297	22	184	|Pliocene	|Pliocene	NNP
43297	22	185	}	}	-RRB-
43297	22	186	|	|	NNP
43297	22	187	{	{	-LRB-
43297	22	188	|Miocene	|miocene	NN
43297	22	189	}	}	-RRB-
43297	22	190	(	(	-LRB-
43297	22	191	_	_	NNP
43297	22	192	brick	brick	NN
43297	22	193	earths	earths	NNP
43297	22	194	_	_	NNP
43297	22	195	,	,	,
43297	22	196	_	_	NNP
43297	22	197	ball	ball	NN
43297	22	198	clays	clay	VBZ
43297	22	199	_	_	NNP
43297	22	200	,	,	,
43297	22	201	|	|	NNP
43297	22	202	{	{	-LRB-
43297	22	203	|Oligocene	|oligocene	NN
43297	22	204	}	}	-RRB-
43297	22	205	_	_	NNP
43297	22	206	coarse	coarse	JJ
43297	22	207	pottery	pottery	NN
43297	22	208	clays	clay	NNS
43297	22	209	_	_	NNP
43297	22	210	)	)	-RRB-
43297	22	211	|	|	NNP
43297	22	212	{	{	-LRB-
43297	22	213	|Eocene	|Eocene	NNP
43297	22	214	}	}	-RRB-
43297	22	215	|	|	NNP
43297	22	216	|--------------------------------------------------------|	|--------------------------------------------------------|	NNP
43297	22	217	{	{	-LRB-
43297	22	218	|Cretaceous	|cretaceous	JJ
43297	22	219	(	(	-LRB-
43297	22	220	_	_	NNP
43297	22	221	cement	cement	NN
43297	22	222	clays	clay	NNS
43297	22	223	_	_	NNP
43297	22	224	,	,	,
43297	22	225	_	_	NNP
43297	22	226	brick	brick	NN
43297	22	227	clays	clay	VBZ
43297	22	228	_	_	NNP
43297	22	229	)	)	-RRB-
43297	22	230	|	|	NNP
43297	22	231	{	{	-LRB-
43297	22	232	|--------------------------------------------------------|	|--------------------------------------------------------|	NNP
43297	22	233	Secondary	secondary	JJ
43297	22	234	{	{	-LRB-
43297	22	235	|Oolitic	|oolitic	JJ
43297	22	236	(	(	-LRB-
43297	22	237	_	_	NNP
43297	22	238	brick	brick	NN
43297	22	239	and	and	CC
43297	22	240	tile	tile	NN
43297	22	241	clays	clay	NNS
43297	22	242	_	_	NNP
43297	22	243	)	)	-RRB-
43297	22	244	|	|	NNP
43297	22	245	{	{	-LRB-
43297	22	246	|--------------------------------------------------------|	|--------------------------------------------------------|	NNP
43297	22	247	{	{	-LRB-
43297	22	248	|Triassic	|Triassic	NNP
43297	22	249	(	(	-LRB-
43297	22	250	_	_	NNP
43297	22	251	brick	brick	NN
43297	22	252	,	,	,
43297	22	253	tile	tile	NN
43297	22	254	and	and	CC
43297	22	255	terra	terra	NN
43297	22	256	-	-	HYPH
43297	22	257	cotta	cotta	NNP
43297	22	258	clays	clay	NNS
43297	22	259	_	_	NNP
43297	22	260	)	)	-RRB-
43297	22	261	|	|	NNP
43297	22	262	|--------------------------------------------------------|	|--------------------------------------------------------|	NNP
43297	22	263	{	{	-LRB-
43297	22	264	|Permian	|Permian	NNP
43297	22	265	(	(	-LRB-
43297	22	266	_	_	NNP
43297	22	267	brick	brick	NN
43297	22	268	,	,	,
43297	22	269	tile	tile	NN
43297	22	270	and	and	CC
43297	22	271	flower	flower	NN
43297	22	272	-	-	HYPH
43297	22	273	pot	pot	NN
43297	22	274	clays	clay	NNS
43297	22	275	_	_	NNP
43297	22	276	)	)	-RRB-
43297	22	277	|	|	NNP
43297	22	278	{	{	-LRB-
43297	22	279	|--------------------------------------------------------|	|--------------------------------------------------------|	NNP
43297	22	280	{	{	-LRB-
43297	22	281	|Carboniferous	|carboniferous	JJ
43297	22	282	(	(	-LRB-
43297	22	283	_	_	NNP
43297	22	284	brick	brick	NN
43297	22	285	clays	clay	VBZ
43297	22	286	_	_	NNP
43297	22	287	,	,	,
43297	22	288	_	_	NNP
43297	22	289	fireclays	fireclay	VBZ
43297	22	290	_	_	NNP
43297	22	291	,	,	,
43297	22	292	_	_	NNP
43297	22	293	ganister	ganister	NN
43297	22	294	_	_	NNP
43297	22	295	)	)	-RRB-
43297	22	296	|	|	NNP
43297	22	297	{	{	-LRB-
43297	22	298	|--------------------------------------------------------|	|--------------------------------------------------------|	NNP
43297	22	299	Primary	Primary	NNP
43297	22	300	{	{	-LRB-
43297	22	301	|Devonian	|devonian	JJ
43297	22	302	}	}	-RRB-
43297	22	303	|	|	NNP
43297	22	304	{	{	-LRB-
43297	22	305	|Silurian	|silurian	JJ
43297	22	306	}	}	-RRB-
43297	22	307	|	|	JJ
43297	22	308	{	{	-LRB-
43297	22	309	|Ordovician	|Ordovician	NNP
43297	22	310	}	}	-RRB-
43297	22	311	(	(	-LRB-
43297	22	312	_	_	NNP
43297	22	313	clay	clay	NN
43297	22	314	schists	schist	NNS
43297	22	315	,	,	,
43297	22	316	slates	slate	NNS
43297	22	317	and	and	CC
43297	22	318	clay	clay	NN
43297	22	319	shales	shale	NNS
43297	22	320	_	_	NNP
43297	22	321	)	)	-RRB-
43297	22	322	|	|	NNP
43297	22	323	{	{	-LRB-
43297	22	324	|Cambrian	|cambrian	JJ
43297	22	325	}	}	-RRB-
43297	22	326	|	|	NNP
43297	22	327	{	{	-LRB-
43297	22	328	|Pre	|pre	NN
43297	22	329	-	-	HYPH
43297	22	330	Cambrian	Cambrian	NNP
43297	22	331	}	}	-RRB-
43297	22	332	|	|	NNP
43297	22	333	|--------------------------------------------------------|	|--------------------------------------------------------|	NNP
43297	22	334	|Igneous	|igneous	JJ
43297	22	335	Rocks	rock	NNS
43297	22	336	occur	occur	VBP
43297	22	337	on	on	IN
43297	22	338	several	several	JJ
43297	22	339	horizons	horizon	NNS
43297	22	340	(	(	-LRB-
43297	22	341	_	_	NNP
43297	22	342	china	china	NNP
43297	22	343	clays	clay	NNS
43297	22	344	_	_	NNP
43297	22	345	|	|	NNP
43297	22	346	|	|	NNP
43297	22	347	_	_	NNP
43297	22	348	and	and	CC
43297	22	349	kaolins	kaolins	NNP
43297	22	350	_	_	NNP
43297	22	351	)	)	-RRB-
43297	22	352	|	|	NNP
43297	22	353	+	+	SYM
43297	22	354	--------------------------------------------------------+	--------------------------------------------------------+	FW
43297	22	355	(	(	-LRB-
43297	22	356	In	in	IN
43297	22	357	the	the	DT
43297	22	358	above	above	JJ
43297	22	359	Table	table	NN
43297	22	360	only	only	RB
43297	22	361	the	the	DT
43297	22	362	clay	clay	NN
43297	22	363	-	-	HYPH
43297	22	364	bearing	bearing	NN
43297	22	365	strata	stratum	NNS
43297	22	366	are	be	VBP
43297	22	367	mentioned	mention	VBN
43297	22	368	.	.	.
43297	23	1	The	the	DT
43297	23	2	formations	formation	NNS
43297	23	3	named	name	VBN
43297	23	4	consist	consist	VB
43297	23	5	chiefly	chiefly	RB
43297	23	6	of	of	IN
43297	23	7	other	other	JJ
43297	23	8	rocks	rock	NNS
43297	23	9	in	in	IN
43297	23	10	which	which	WDT
43297	23	11	the	the	DT
43297	23	12	clays	clay	NNS
43297	23	13	form	form	VBP
43297	23	14	strata	strata	NN
43297	23	15	of	of	IN
43297	23	16	variable	variable	JJ
43297	23	17	thickness	thickness	NN
43297	23	18	.	.	.
43297	23	19	)	)	-RRB-
43297	24	1	CHAPTER	chapter	NN
43297	24	2	I	-PRON-	PRP
43297	24	3	INTRODUCTION	INTRODUCTION	VBD
43297	24	4	.	.	.
43297	25	1	THE	the	DT
43297	25	2	CHEMICAL	CHEMICAL	NNP
43297	25	3	AND	and	CC
43297	25	4	PHYSICAL	physical	NN
43297	25	5	PROPERTIES	property	NNS
43297	25	6	OF	of	IN
43297	25	7	CLAY	clay	NN
43297	25	8	The	the	DT
43297	25	9	chief	chief	JJ
43297	25	10	uses	use	NNS
43297	25	11	of	of	IN
43297	25	12	clay	clay	NN
43297	25	13	have	have	VBP
43297	25	14	been	be	VBN
43297	25	15	recognized	recognize	VBN
43297	25	16	since	since	IN
43297	25	17	the	the	DT
43297	25	18	earliest	early	JJS
43297	25	19	periods	period	NNS
43297	25	20	of	of	IN
43297	25	21	civilization	civilization	NN
43297	25	22	;	;	,
43297	25	23	the	the	DT
43297	25	24	ancient	ancient	JJ
43297	25	25	Assyrian	assyrian	JJ
43297	25	26	and	and	CC
43297	25	27	Egyptian	egyptian	JJ
43297	25	28	records	record	NNS
43297	25	29	contain	contain	VBP
43297	25	30	numerous	numerous	JJ
43297	25	31	references	reference	NNS
43297	25	32	to	to	IN
43297	25	33	the	the	DT
43297	25	34	employment	employment	NN
43297	25	35	of	of	IN
43297	25	36	clay	clay	NN
43297	25	37	for	for	IN
43297	25	38	the	the	DT
43297	25	39	manufacture	manufacture	NN
43297	25	40	of	of	IN
43297	25	41	bricks	brick	NNS
43297	25	42	and	and	CC
43297	25	43	for	for	IN
43297	25	44	fulling	full	VBG
43297	25	45	or	or	CC
43297	25	46	whitening	whiten	VBG
43297	25	47	cloth	cloth	NN
43297	25	48	.	.	.
43297	26	1	Clays	clay	NNS
43297	26	2	are	be	VBP
43297	26	3	distributed	distribute	VBN
43297	26	4	so	so	RB
43297	26	5	widely	widely	RB
43297	26	6	and	and	CC
43297	26	7	in	in	IN
43297	26	8	many	many	JJ
43297	26	9	cases	case	NNS
43297	26	10	are	be	VBP
43297	26	11	so	so	RB
43297	26	12	readily	readily	RB
43297	26	13	accessible	accessible	JJ
43297	26	14	that	that	IN
43297	26	15	their	-PRON-	PRP$
43297	26	16	existence	existence	NN
43297	26	17	and	and	CC
43297	26	18	some	some	DT
43297	26	19	of	of	IN
43297	26	20	their	-PRON-	PRP$
43297	26	21	characteristics	characteristic	NNS
43297	26	22	are	be	VBP
43297	26	23	known	know	VBN
43297	26	24	in	in	IN
43297	26	25	entirely	entirely	RB
43297	26	26	uncivilized	uncivilized	JJ
43297	26	27	regions	region	NNS
43297	26	28	.	.	.
43297	27	1	The	the	DT
43297	27	2	use	use	NN
43297	27	3	of	of	IN
43297	27	4	certain	certain	JJ
43297	27	5	white	white	JJ
43297	27	6	clays	clay	NNS
43297	27	7	as	as	IN
43297	27	8	a	a	DT
43297	27	9	food	food	NN
43297	27	10	,	,	,
43297	27	11	or	or	CC
43297	27	12	at	at	IN
43297	27	13	any	any	DT
43297	27	14	rate	rate	NN
43297	27	15	as	as	IN
43297	27	16	a	a	DT
43297	27	17	means	means	NN
43297	27	18	of	of	IN
43297	27	19	staving	stave	VBG
43297	27	20	off	off	RP
43297	27	21	hunger	hunger	NN
43297	27	22	,	,	,
43297	27	23	is	be	VBZ
43297	27	24	common	common	JJ
43297	27	25	among	among	IN
43297	27	26	some	some	DT
43297	27	27	tribes	tribe	NNS
43297	27	28	of	of	IN
43297	27	29	very	very	RB
43297	27	30	primitive	primitive	JJ
43297	27	31	peoples	people	NNS
43297	27	32	.	.	.
43297	28	1	The	the	DT
43297	28	2	more	more	RBR
43297	28	3	important	important	JJ
43297	28	4	uses	use	NNS
43297	28	5	of	of	IN
43297	28	6	clays	clay	NNS
43297	28	7	for	for	IN
43297	28	8	building	building	NN
43297	28	9	and	and	CC
43297	28	10	other	other	JJ
43297	28	11	purposes	purpose	NNS
43297	28	12	are	be	VBP
43297	28	13	naturally	naturally	RB
43297	28	14	confined	confine	VBN
43297	28	15	to	to	IN
43297	28	16	the	the	DT
43297	28	17	more	more	RBR
43297	28	18	civilized	civilized	JJ
43297	28	19	nations	nation	NNS
43297	28	20	.	.	.
43297	29	1	The	the	DT
43297	29	2	term	term	NN
43297	29	3	_	_	NNP
43297	29	4	clay	clay	NN
43297	29	5	_	_	NNP
43297	29	6	(	(	-LRB-
43297	29	7	A.S.	A.S.	NNP
43297	29	8	_	_	NNP
43297	29	9	cloeg	cloeg	NN
43297	29	10	_	_	NNP
43297	29	11	;	;	:
43297	29	12	Welsh	Welsh	NNP
43297	29	13	_	_	NNP
43297	29	14	clai	clai	NN
43297	29	15	_	_	NNP
43297	29	16	;	;	:
43297	29	17	Dutch	Dutch	NNP
43297	29	18	_	_	NNP
43297	29	19	kley	kley	NN
43297	29	20	_	_	NNP
43297	29	21	)	)	-RRB-
43297	29	22	although	although	IN
43297	29	23	used	use	VBN
43297	29	24	in	in	IN
43297	29	25	a	a	DT
43297	29	26	scientific	scientific	JJ
43297	29	27	sense	sense	NN
43297	29	28	to	to	TO
43297	29	29	include	include	VB
43297	29	30	a	a	DT
43297	29	31	variety	variety	NN
43297	29	32	of	of	IN
43297	29	33	argillaceous	argillaceous	JJ
43297	29	34	earths	earth	NNS
43297	29	35	(	(	-LRB-
43297	29	36	Fr	Fr	NNP
43297	29	37	.	.	.
43297	30	1	_	_	NNP
43297	30	2	argile	argile	NNP
43297	30	3	_	_	NNP
43297	30	4	=	=	SYM
43297	30	5	clay	clay	NN
43297	30	6	)	)	-RRB-
43297	30	7	used	use	VBN
43297	30	8	in	in	IN
43297	30	9	the	the	DT
43297	30	10	manufacture	manufacture	NN
43297	30	11	of	of	IN
43297	30	12	bricks	brick	NNS
43297	30	13	,	,	,
43297	30	14	tiles	tile	NNS
43297	30	15	,	,	,
43297	30	16	pottery	pottery	NN
43297	30	17	and	and	CC
43297	30	18	ceramic	ceramic	JJ
43297	30	19	products	product	NNS
43297	30	20	(	(	-LRB-
43297	30	21	Gr	Gr	NNP
43297	30	22	.	.	.
43297	31	1	_	_	NNP
43297	31	2	keramos	keramos	NNP
43297	31	3	_	_	NNP
43297	31	4	=	=	SYM
43297	31	5	potter	potter	NN
43297	31	6	's	's	POS
43297	31	7	earth	earth	NN
43297	31	8	)	)	-RRB-
43297	31	9	generally	generally	RB
43297	31	10	,	,	,
43297	31	11	is	be	VBZ
43297	31	12	really	really	RB
43297	31	13	a	a	DT
43297	31	14	word	word	NN
43297	31	15	of	of	IN
43297	31	16	popular	popular	JJ
43297	31	17	origin	origin	NN
43297	31	18	and	and	CC
43297	31	19	use	use	NN
43297	31	20	.	.	.
43297	32	1	Consequently	consequently	RB
43297	32	2	,	,	,
43297	32	3	it	-PRON-	PRP
43297	32	4	is	be	VBZ
43297	32	5	necessary	necessary	JJ
43297	32	6	to	to	TO
43297	32	7	bear	bear	VB
43297	32	8	in	in	IN
43297	32	9	mind	mind	NN
43297	32	10	,	,	,
43297	32	11	when	when	WRB
43297	32	12	considering	consider	VBG
43297	32	13	geological	geological	JJ
43297	32	14	or	or	CC
43297	32	15	other	other	JJ
43297	32	16	problems	problem	NNS
43297	32	17	of	of	IN
43297	32	18	a	a	DT
43297	32	19	scientific	scientific	JJ
43297	32	20	nature	nature	NN
43297	32	21	,	,	,
43297	32	22	that	that	IN
43297	32	23	this	this	DT
43297	32	24	term	term	NN
43297	32	25	has	have	VBZ
43297	32	26	been	be	VBN
43297	32	27	incorporated	incorporate	VBN
43297	32	28	into	into	IN
43297	32	29	scientific	scientific	JJ
43297	32	30	terminology	terminology	NN
43297	32	31	and	and	CC
43297	32	32	that	that	IN
43297	32	33	its	-PRON-	PRP$
43297	32	34	use	use	NN
43297	32	35	in	in	IN
43297	32	36	this	this	DT
43297	32	37	connection	connection	NN
43297	32	38	not	not	RB
43297	32	39	infrequently	infrequently	RB
43297	32	40	leads	lead	VBZ
43297	32	41	to	to	IN
43297	32	42	confusion	confusion	NN
43297	32	43	.	.	.
43297	33	1	In	in	IN
43297	33	2	short	short	JJ
43297	33	3	,	,	,
43297	33	4	whilst	whilst	IN
43297	33	5	almost	almost	RB
43297	33	6	every	every	DT
43297	33	7	dictionary	dictionary	NN
43297	33	8	includes	include	VBZ
43297	33	9	one	one	CD
43297	33	10	or	or	CC
43297	33	11	more	more	JJR
43297	33	12	definitions	definition	NNS
43297	33	13	of	of	IN
43297	33	14	clay	clay	NN
43297	33	15	,	,	,
43297	33	16	and	and	CC
43297	33	17	most	most	JJS
43297	33	18	text	text	NN
43297	33	19	-	-	HYPH
43297	33	20	books	book	NNS
43297	33	21	on	on	IN
43297	33	22	geology	geology	NN
43297	33	23	,	,	,
43297	33	24	mineralogy	mineralogy	NN
43297	33	25	,	,	,
43297	33	26	and	and	CC
43297	33	27	allied	ally	VBD
43297	33	28	sciences	science	NNS
43297	33	29	either	either	CC
43297	33	30	attempt	attempt	VBP
43297	33	31	a	a	DT
43297	33	32	definition	definition	NN
43297	33	33	or	or	CC
43297	33	34	assume	assume	VB
43297	33	35	the	the	DT
43297	33	36	reader	reader	NN
43297	33	37	's	's	POS
43297	33	38	knowledge	knowledge	NN
43297	33	39	of	of	IN
43297	33	40	one	one	CD
43297	33	41	,	,	,
43297	33	42	there	there	EX
43297	33	43	is	be	VBZ
43297	33	44	no	no	DT
43297	33	45	entirely	entirely	RB
43297	33	46	satisfactory	satisfactory	JJ
43297	33	47	limitation	limitation	NN
43297	33	48	in	in	IN
43297	33	49	regard	regard	NN
43297	33	50	to	to	IN
43297	33	51	the	the	DT
43297	33	52	substances	substance	NNS
43297	33	53	which	which	WDT
43297	33	54	may	may	MD
43297	33	55	or	or	CC
43297	33	56	may	may	MD
43297	33	57	not	not	RB
43297	33	58	be	be	VB
43297	33	59	included	include	VBN
43297	33	60	under	under	IN
43297	33	61	the	the	DT
43297	33	62	term	term	NN
43297	33	63	.	.	.
43297	34	1	_	_	NNP
43297	34	2	Clay	Clay	NNP
43297	34	3	_	_	NNP
43297	34	4	is	be	VBZ
43297	34	5	a	a	DT
43297	34	6	popular	popular	JJ
43297	34	7	term	term	NN
43297	34	8	for	for	IN
43297	34	9	a	a	DT
43297	34	10	variety	variety	NN
43297	34	11	of	of	IN
43297	34	12	substances	substance	NNS
43297	34	13	of	of	IN
43297	34	14	very	very	RB
43297	34	15	varied	varied	JJ
43297	34	16	origins	origin	NNS
43297	34	17	,	,	,
43297	34	18	of	of	IN
43297	34	19	great	great	JJ
43297	34	20	dissimilarity	dissimilarity	NN
43297	34	21	in	in	IN
43297	34	22	their	-PRON-	PRP$
43297	34	23	composition	composition	NN
43297	34	24	and	and	CC
43297	34	25	in	in	IN
43297	34	26	many	many	JJ
43297	34	27	of	of	IN
43297	34	28	their	-PRON-	PRP$
43297	34	29	chemical	chemical	NN
43297	34	30	and	and	CC
43297	34	31	physical	physical	JJ
43297	34	32	properties	property	NNS
43297	34	33	,	,	,
43297	34	34	and	and	CC
43297	34	35	differing	differ	VBG
43297	34	36	greatly	greatly	RB
43297	34	37	in	in	IN
43297	34	38	almost	almost	RB
43297	34	39	every	every	DT
43297	34	40	conceivable	conceivable	JJ
43297	34	41	respect	respect	NN
43297	34	42	.	.	.
43297	35	1	It	-PRON-	PRP
43297	35	2	is	be	VBZ
43297	35	3	commonly	commonly	RB
43297	35	4	supposed	suppose	VBN
43297	35	5	that	that	IN
43297	35	6	all	all	DT
43297	35	7	clays	clay	NNS
43297	35	8	are	be	VBP
43297	35	9	plastic	plastic	JJ
43297	35	10	,	,	,
43297	35	11	but	but	CC
43297	35	12	some	some	DT
43297	35	13	of	of	IN
43297	35	14	the	the	DT
43297	35	15	purest	pure	JJS
43297	35	16	china	china	NNP
43297	35	17	clays	clay	NNS
43297	35	18	are	be	VBP
43297	35	19	almost	almost	RB
43297	35	20	devoid	devoid	JJ
43297	35	21	of	of	IN
43297	35	22	this	this	DT
43297	35	23	property	property	NN
43297	35	24	and	and	CC
43297	35	25	some	some	DT
43297	35	26	of	of	IN
43297	35	27	the	the	DT
43297	35	28	most	most	JJS
43297	35	29	impure	impure	NN
43297	35	30	earths	earth	NNS
43297	35	31	used	use	VBN
43297	35	32	for	for	IN
43297	35	33	brickmaking	brickmake	VBG
43297	35	34	possess	possess	NN
43297	35	35	it	-PRON-	PRP
43297	35	36	in	in	IN
43297	35	37	a	a	DT
43297	35	38	striking	striking	JJ
43297	35	39	degree	degree	NN
43297	35	40	.	.	.
43297	36	1	Shales	Shales	NNP
43297	36	2	,	,	,
43297	36	3	on	on	IN
43297	36	4	the	the	DT
43297	36	5	one	one	CD
43297	36	6	hand	hand	NN
43297	36	7	--	--	:
43297	36	8	whilst	whilst	IN
43297	36	9	clearly	clearly	RB
43297	36	10	a	a	DT
43297	36	11	variety	variety	NN
43297	36	12	of	of	IN
43297	36	13	clay	clay	NN
43297	36	14	--	--	:
43297	36	15	are	be	VBP
43297	36	16	hard	hard	JJ
43297	36	17	and	and	CC
43297	36	18	rock	rock	NN
43297	36	19	-	-	HYPH
43297	36	20	like	like	JJ
43297	36	21	,	,	,
43297	36	22	requiring	require	VBG
43297	36	23	to	to	TO
43297	36	24	be	be	VB
43297	36	25	reduced	reduce	VBN
43297	36	26	to	to	IN
43297	36	27	powder	powder	NN
43297	36	28	and	and	CC
43297	36	29	very	very	RB
43297	36	30	thoroughly	thoroughly	RB
43297	36	31	mixed	mix	VBN
43297	36	32	with	with	IN
43297	36	33	water	water	NN
43297	36	34	before	before	IN
43297	36	35	they	-PRON-	PRP
43297	36	36	become	become	VBP
43297	36	37	plastic	plastic	NN
43297	36	38	;	;	:
43297	36	39	many	many	JJ
43297	36	40	impure	impure	NN
43297	36	41	surface	surface	NN
43297	36	42	deposits	deposit	NNS
43297	36	43	,	,	,
43297	36	44	on	on	IN
43297	36	45	the	the	DT
43297	36	46	other	other	JJ
43297	36	47	hand	hand	NN
43297	36	48	,	,	,
43297	36	49	are	be	VBP
43297	36	50	so	so	RB
43297	36	51	highly	highly	RB
43297	36	52	plastic	plastic	JJ
43297	36	53	as	as	IN
43297	36	54	to	to	TO
43297	36	55	necessitate	necessitate	VB
43297	36	56	the	the	DT
43297	36	57	addition	addition	NN
43297	36	58	of	of	IN
43297	36	59	other	other	JJ
43297	36	60	(	(	-LRB-
43297	36	61	sandy	sandy	NNP
43297	36	62	)	)	-RRB-
43297	36	63	materials	material	NNS
43297	36	64	before	before	IN
43297	36	65	they	-PRON-	PRP
43297	36	66	can	can	MD
43297	36	67	be	be	VB
43297	36	68	used	use	VBN
43297	36	69	for	for	IN
43297	36	70	the	the	DT
43297	36	71	manufacture	manufacture	NN
43297	36	72	of	of	IN
43297	36	73	bricks	brick	NNS
43297	36	74	and	and	CC
43297	36	75	tiles	tile	NNS
43297	36	76	.	.	.
43297	37	1	Attempts	attempt	NNS
43297	37	2	have	have	VBP
43297	37	3	been	be	VBN
43297	37	4	made	make	VBN
43297	37	5	to	to	TO
43297	37	6	include	include	VB
43297	37	7	in	in	IN
43297	37	8	the	the	DT
43297	37	9	term	term	NN
43297	37	10	clay	clay	NN
43297	37	11	'	'	``
43297	37	12	all	all	DT
43297	37	13	minerals	mineral	NNS
43297	37	14	capable	capable	JJ
43297	37	15	of	of	IN
43297	37	16	becoming	become	VBG
43297	37	17	plastic	plastic	NN
43297	37	18	when	when	WRB
43297	37	19	moistened	moisten	VBN
43297	37	20	or	or	CC
43297	37	21	mixed	mix	VBN
43297	37	22	with	with	IN
43297	37	23	a	a	DT
43297	37	24	suitable	suitable	JJ
43297	37	25	quantity	quantity	NN
43297	37	26	of	of	IN
43297	37	27	water	water	NN
43297	37	28	,	,	,
43297	37	29	'	'	''
43297	37	30	but	but	CC
43297	37	31	this	this	DT
43297	37	32	definition	definition	NN
43297	37	33	is	be	VBZ
43297	37	34	so	so	RB
43297	37	35	wide	wide	JJ
43297	37	36	as	as	IN
43297	37	37	to	to	TO
43297	37	38	be	be	VB
43297	37	39	almost	almost	RB
43297	37	40	impracticable	impracticable	JJ
43297	37	41	,	,	,
43297	37	42	and	and	CC
43297	37	43	leads	lead	VBZ
43297	37	44	to	to	IN
43297	37	45	the	the	DT
43297	37	46	inclusion	inclusion	NN
43297	37	47	of	of	IN
43297	37	48	many	many	JJ
43297	37	49	substances	substance	NNS
43297	37	50	which	which	WDT
43297	37	51	have	have	VBP
43297	37	52	no	no	DT
43297	37	53	real	real	JJ
43297	37	54	connection	connection	NN
43297	37	55	with	with	IN
43297	37	56	clays	clay	NNS
43297	37	57	.	.	.
43297	38	1	The	the	DT
43297	38	2	limitation	limitation	NN
43297	38	3	of	of	IN
43297	38	4	the	the	DT
43297	38	5	use	use	NN
43297	38	6	of	of	IN
43297	38	7	the	the	DT
43297	38	8	word	word	NN
43297	38	9	'	'	``
43297	38	10	clay	clay	NN
43297	38	11	'	'	''
43297	38	12	to	to	IN
43297	38	13	the	the	DT
43297	38	14	plastic	plastic	NN
43297	38	15	or	or	CC
43297	38	16	potentially	potentially	RB
43297	38	17	plastic	plastic	JJ
43297	38	18	materials	material	NNS
43297	38	19	of	of	IN
43297	38	20	any	any	DT
43297	38	21	single	single	JJ
43297	38	22	geological	geological	JJ
43297	38	23	epoch	epoch	NN
43297	38	24	is	be	VBZ
43297	38	25	also	also	RB
43297	38	26	impracticable	impracticable	JJ
43297	38	27	,	,	,
43297	38	28	for	for	IN
43297	38	29	clays	clay	NNS
43297	38	30	appear	appear	VBP
43297	38	31	to	to	TO
43297	38	32	have	have	VB
43297	38	33	been	be	VBN
43297	38	34	deposited	deposit	VBN
43297	38	35	in	in	IN
43297	38	36	almost	almost	RB
43297	38	37	every	every	DT
43297	38	38	geological	geological	JJ
43297	38	39	period	period	NN
43297	38	40	,	,	,
43297	38	41	though	though	IN
43297	38	42	there	there	EX
43297	38	43	is	be	VBZ
43297	38	44	some	some	DT
43297	38	45	difference	difference	NN
43297	38	46	of	of	IN
43297	38	47	opinion	opinion	NN
43297	38	48	as	as	IN
43297	38	49	to	to	IN
43297	38	50	the	the	DT
43297	38	51	time	time	NN
43297	38	52	of	of	IN
43297	38	53	the	the	DT
43297	38	54	formation	formation	NN
43297	38	55	of	of	IN
43297	38	56	certain	certain	JJ
43297	38	57	clays	clay	NNS
43297	38	58	known	know	VBN
43297	38	59	as	as	IN
43297	38	60	_	_	NNP
43297	38	61	kaolins	kaolins	NNP
43297	38	62	_	_	NNP
43297	38	63	.	.	.
43297	39	1	Clay	Clay	NNP
43297	39	2	is	be	VBZ
43297	39	3	not	not	RB
43297	39	4	infrequently	infrequently	RB
43297	39	5	termed	term	VBN
43297	39	6	a	a	DT
43297	39	7	_	_	NNP
43297	39	8	mineral	mineral	NN
43297	39	9	_	_	NNP
43297	39	10	,	,	,
43297	39	11	but	but	CC
43297	39	12	this	this	DT
43297	39	13	does	do	VBZ
43297	39	14	not	not	RB
43297	39	15	apply	apply	VB
43297	39	16	at	at	RB
43297	39	17	all	all	RB
43297	39	18	accurately	accurately	RB
43297	39	19	to	to	IN
43297	39	20	the	the	DT
43297	39	21	many	many	JJ
43297	39	22	varieties	variety	NNS
43297	39	23	of	of	IN
43297	39	24	earths	earth	NNS
43297	39	25	known	know	VBN
43297	39	26	as	as	IN
43297	39	27	'	'	``
43297	39	28	common	common	JJ
43297	39	29	clays	clay	NNS
43297	39	30	,	,	,
43297	39	31	'	'	''
43297	39	32	which	which	WDT
43297	39	33	,	,	,
43297	39	34	together	together	RB
43297	39	35	with	with	IN
43297	39	36	the	the	DT
43297	39	37	'	'	``
43297	39	38	boulder	boulder	NN
43297	39	39	clays	clay	NNS
43297	39	40	,	,	,
43297	39	41	'	'	''
43297	39	42	contain	contain	VBP
43297	39	43	many	many	JJ
43297	39	44	minerals	mineral	NNS
43297	39	45	and	and	CC
43297	39	46	so	so	RB
43297	39	47	can	can	MD
43297	39	48	not	not	RB
43297	39	49	,	,	,
43297	39	50	as	as	IN
43297	39	51	a	a	DT
43297	39	52	whole	whole	NN
43297	39	53	,	,	,
43297	39	54	be	be	VB
43297	39	55	included	include	VBN
43297	39	56	under	under	IN
43297	39	57	this	this	DT
43297	39	58	term	term	NN
43297	39	59	.	.	.
43297	40	1	Whatever	whatever	WDT
43297	40	2	may	may	MD
43297	40	3	be	be	VB
43297	40	4	the	the	DT
43297	40	5	legal	legal	JJ
43297	40	6	significance	significance	NN
43297	40	7	of	of	IN
43297	40	8	the	the	DT
43297	40	9	term	term	NN
43297	40	10	'	'	POS
43297	40	11	mineral'--which	mineral'--which	NN
43297	40	12	has	have	VBZ
43297	40	13	an	an	DT
43297	40	14	important	important	JJ
43297	40	15	economic	economic	JJ
43297	40	16	bearing	bearing	NN
43297	40	17	on	on	IN
43297	40	18	account	account	NN
43297	40	19	of	of	IN
43297	40	20	minerals	mineral	NNS
43297	40	21	being	be	VBG
43297	40	22	taxed	tax	VBN
43297	40	23	or	or	CC
43297	40	24	'	'	``
43297	40	25	reserved	reserve	VBN
43297	40	26	'	'	''
43297	40	27	in	in	IN
43297	40	28	some	some	DT
43297	40	29	instances	instance	NNS
43297	40	30	where	where	WRB
43297	40	31	non	non	JJ
43297	40	32	-	-	NNS
43297	40	33	minerals	mineral	NNS
43297	40	34	(	(	-LRB-
43297	40	35	including	include	VBG
43297	40	36	brick	brick	NN
43297	40	37	clay	clay	NN
43297	40	38	)	)	-RRB-
43297	40	39	are	be	VBP
43297	40	40	exempt	exempt	JJ
43297	40	41	--	--	:
43297	40	42	there	there	EX
43297	40	43	can	can	MD
43297	40	44	be	be	VB
43297	40	45	no	no	DT
43297	40	46	doubt	doubt	NN
43297	40	47	that	that	IN
43297	40	48	,	,	,
43297	40	49	scientifically	scientifically	RB
43297	40	50	,	,	,
43297	40	51	clay	clay	NN
43297	40	52	is	be	VBZ
43297	40	53	_	_	NNP
43297	40	54	not	not	RB
43297	40	55	a	a	DT
43297	40	56	mineral	mineral	NN
43297	40	57	but	but	CC
43297	40	58	a	a	DT
43297	40	59	rock	rock	NN
43297	40	60	_	_	NNP
43297	40	61	.	.	.
43297	41	1	Whatever	whatever	WDT
43297	41	2	mineral	mineral	NN
43297	41	3	(	(	-LRB-
43297	41	4	if	if	IN
43297	41	5	any	any	DT
43297	41	6	)	)	-RRB-
43297	41	7	may	may	MD
43297	41	8	give	give	VB
43297	41	9	the	the	DT
43297	41	10	chief	chief	JJ
43297	41	11	characteristic	characteristic	JJ
43297	41	12	property	property	NN
43297	41	13	to	to	IN
43297	41	14	the	the	DT
43297	41	15	clays	clay	NNS
43297	41	16	as	as	IN
43297	41	17	a	a	DT
43297	41	18	class	class	NN
43297	41	19	must	must	MD
43297	41	20	be	be	VB
43297	41	21	designated	designate	VBN
43297	41	22	by	by	IN
43297	41	23	a	a	DT
43297	41	24	special	special	JJ
43297	41	25	title	title	NN
43297	41	26	,	,	,
43297	41	27	for	for	IN
43297	41	28	the	the	DT
43297	41	29	general	general	JJ
43297	41	30	term	term	NN
43297	41	31	'	'	``
43297	41	32	clay	clay	NN
43297	41	33	'	'	''
43297	41	34	will	will	MD
43297	41	35	not	not	RB
43297	41	36	serve	serve	VB
43297	41	37	for	for	IN
43297	41	38	this	this	DT
43297	41	39	purpose	purpose	NN
43297	41	40	.	.	.
43297	42	1	Geologically	geologically	RB
43297	42	2	,	,	,
43297	42	3	the	the	DT
43297	42	4	clays	clay	NNS
43297	42	5	are	be	VBP
43297	42	6	sedimentary	sedimentary	JJ
43297	42	7	rocks	rock	NNS
43297	42	8	,	,	,
43297	42	9	some	some	DT
43297	42	10	being	be	VBG
43297	42	11	unaltered	unaltered	JJ
43297	42	12	,	,	,
43297	42	13	whilst	whilst	IN
43297	42	14	others	other	NNS
43297	42	15	--	--	:
43297	42	16	the	the	DT
43297	42	17	slates	slate	NNS
43297	42	18	--	--	:
43297	42	19	are	be	VBP
43297	42	20	notably	notably	RB
43297	42	21	metamorphosed	metamorphose	VBN
43297	42	22	and	and	CC
43297	42	23	can	can	MD
43297	42	24	seldom	seldom	RB
43297	42	25	be	be	VB
43297	42	26	used	use	VBN
43297	42	27	for	for	IN
43297	42	28	the	the	DT
43297	42	29	purposes	purpose	NNS
43297	42	30	for	for	IN
43297	42	31	which	which	WDT
43297	42	32	clays	clay	NNS
43297	42	33	are	be	VBP
43297	42	34	employed	employ	VBN
43297	42	35	.	.	.
43297	43	1	Most	Most	JJS
43297	43	2	clays	clay	NNS
43297	43	3	may	may	MD
43297	43	4	be	be	VB
43297	43	5	regarded	regard	VBN
43297	43	6	as	as	IN
43297	43	7	a	a	DT
43297	43	8	mixture	mixture	NN
43297	43	9	of	of	IN
43297	43	10	quartz	quartz	NN
43297	43	11	grains	grain	NNS
43297	43	12	,	,	,
43297	43	13	undecomposed	undecompose	VBD
43297	43	14	rock	rock	NN
43297	43	15	débris	débris	NN
43297	43	16	and	and	CC
43297	43	17	various	various	JJ
43297	43	18	decomposition	decomposition	NN
43297	43	19	products	product	NNS
43297	43	20	of	of	IN
43297	43	21	rocks	rock	NNS
43297	43	22	;	;	:
43297	43	23	if	if	IN
43297	43	24	the	the	DT
43297	43	25	last	last	RB
43297	43	26	-	-	HYPH
43297	43	27	named	name	VBN
43297	43	28	consists	consist	VBZ
43297	43	29	chiefly	chiefly	RB
43297	43	30	of	of	IN
43297	43	31	certain	certain	JJ
43297	43	32	hydrous	hydrous	JJ
43297	43	33	alumino	alumino	NNP
43297	43	34	-	-	HYPH
43297	43	35	silicates	silicate	NNS
43297	43	36	,	,	,
43297	43	37	they	-PRON-	PRP
43297	43	38	may	may	MD
43297	43	39	be	be	VB
43297	43	40	termed	term	VBN
43297	43	41	'	'	POS
43297	43	42	clay	clay	NN
43297	43	43	substance	substance	NN
43297	43	44	'	'	''
43297	43	45	(	(	-LRB-
43297	43	46	see	see	VB
43297	43	47	Chapter	Chapter	NNP
43297	43	48	VI	VI	NNP
43297	43	49	.	.	.
43297	44	1	The	the	DT
43297	44	2	imperfections	imperfection	NNS
43297	44	3	of	of	IN
43297	44	4	this	this	DT
43297	44	5	statement	statement	NN
43297	44	6	as	as	IN
43297	44	7	a	a	DT
43297	44	8	definition	definition	NN
43297	44	9	are	be	VBP
43297	44	10	obvious	obvious	JJ
43297	44	11	when	when	WRB
43297	44	12	it	-PRON-	PRP
43297	44	13	is	be	VBZ
43297	44	14	remembered	remember	VBN
43297	44	15	that	that	IN
43297	44	16	it	-PRON-	PRP
43297	44	17	may	may	MD
43297	44	18	include	include	VB
43297	44	19	a	a	DT
43297	44	20	mixture	mixture	NN
43297	44	21	of	of	IN
43297	44	22	fine	fine	JJ
43297	44	23	sand	sand	NN
43297	44	24	and	and	CC
43297	44	25	clay	clay	NN
43297	44	26	containing	contain	VBG
43297	44	27	only	only	RB
43297	44	28	30	30	CD
43297	44	29	per	per	NN
43297	44	30	cent	cent	NN
43297	44	31	.	.	.
43297	45	1	of	of	IN
43297	45	2	the	the	DT
43297	45	3	latter	latter	JJ
43297	45	4	substance	substance	NN
43297	45	5	.	.	.
43297	46	1	It	-PRON-	PRP
43297	46	2	is	be	VBZ
43297	46	3	,	,	,
43297	46	4	at	at	IN
43297	46	5	the	the	DT
43297	46	6	present	present	JJ
43297	46	7	time	time	NN
43297	46	8	,	,	,
43297	46	9	quite	quite	RB
43297	46	10	impossible	impossible	JJ
43297	46	11	to	to	TO
43297	46	12	construct	construct	VB
43297	46	13	an	an	DT
43297	46	14	accurate	accurate	JJ
43297	46	15	definition	definition	NN
43297	46	16	of	of	IN
43297	46	17	the	the	DT
43297	46	18	term	term	NN
43297	46	19	'	'	POS
43297	46	20	clay	clay	NN
43297	46	21	.	.	.
43297	46	22	'	'	''
43297	47	1	The	the	DT
43297	47	2	most	most	RBS
43297	47	3	satisfactory	satisfactory	JJ
43297	47	4	hitherto	hitherto	VBN
43297	47	5	published	published	JJ
43297	47	6	defines	define	NNS
43297	47	7	'	'	POS
43297	47	8	clay	clay	NN
43297	47	9	'	'	''
43297	47	10	as	as	IN
43297	47	11	'	'	''
43297	47	12	a	a	DT
43297	47	13	solid	solid	JJ
43297	47	14	rock	rock	NN
43297	47	15	composed	compose	VBN
43297	47	16	mainly	mainly	RB
43297	47	17	of	of	IN
43297	47	18	hydro	hydro	NNP
43297	47	19	-	-	HYPH
43297	47	20	alumino	alumino	NNP
43297	47	21	-	-	HYPH
43297	47	22	silicates	silicate	NNS
43297	47	23	or	or	CC
43297	47	24	alumino	alumino	NNP
43297	47	25	-	-	HYPH
43297	47	26	silicic	silicic	NN
43297	47	27	acids	acid	NNS
43297	47	28	,	,	,
43297	47	29	but	but	CC
43297	47	30	often	often	RB
43297	47	31	containing	contain	VBG
43297	47	32	large	large	JJ
43297	47	33	proportions	proportion	NNS
43297	47	34	of	of	IN
43297	47	35	other	other	JJ
43297	47	36	materials	material	NNS
43297	47	37	;	;	:
43297	47	38	the	the	DT
43297	47	39	whole	whole	NN
43297	47	40	possessing	possess	VBG
43297	47	41	the	the	DT
43297	47	42	property	property	NN
43297	47	43	of	of	IN
43297	47	44	becoming	become	VBG
43297	47	45	plastic	plastic	NN
43297	47	46	when	when	WRB
43297	47	47	treated	treat	VBN
43297	47	48	with	with	IN
43297	47	49	water	water	NN
43297	47	50	,	,	,
43297	47	51	and	and	CC
43297	47	52	of	of	IN
43297	47	53	hardening	harden	VBG
43297	47	54	to	to	IN
43297	47	55	a	a	DT
43297	47	56	stone	stone	NN
43297	47	57	-	-	HYPH
43297	47	58	like	like	JJ
43297	47	59	mass	mass	NN
43297	47	60	when	when	WRB
43297	47	61	heated	heat	VBN
43297	47	62	to	to	IN
43297	47	63	redness	redness	NN
43297	47	64	.	.	.
43297	47	65	'	'	''
43297	48	1	From	from	IN
43297	48	2	what	what	WP
43297	48	3	has	have	VBZ
43297	48	4	already	already	RB
43297	48	5	been	be	VBN
43297	48	6	written	write	VBN
43297	48	7	,	,	,
43297	48	8	it	-PRON-	PRP
43297	48	9	will	will	MD
43297	48	10	be	be	VB
43297	48	11	understood	understand	VBN
43297	48	12	that	that	IN
43297	48	13	there	there	EX
43297	48	14	is	be	VBZ
43297	48	15	no	no	DT
43297	48	16	such	such	JJ
43297	48	17	entity	entity	NN
43297	48	18	as	as	IN
43297	48	19	a	a	DT
43297	48	20	standard	standard	JJ
43297	48	21	clay	clay	NN
43297	48	22	,	,	,
43297	48	23	for	for	IN
43297	48	24	the	the	DT
43297	48	25	varieties	variety	NNS
43297	48	26	are	be	VBP
43297	48	27	almost	almost	RB
43297	48	28	endless	endless	JJ
43297	48	29	,	,	,
43297	48	30	and	and	CC
43297	48	31	the	the	DT
43297	48	32	differences	difference	NNS
43297	48	33	between	between	IN
43297	48	34	them	-PRON-	PRP
43297	48	35	are	be	VBP
43297	48	36	sometimes	sometimes	RB
43297	48	37	so	so	RB
43297	48	38	slight	slight	JJ
43297	48	39	as	as	IN
43297	48	40	to	to	TO
43297	48	41	be	be	VB
43297	48	42	scarcely	scarcely	RB
43297	48	43	distinguishable	distinguishable	JJ
43297	48	44	.	.	.
43297	49	1	A	a	DT
43297	49	2	further	further	JJ
43297	49	3	consideration	consideration	NN
43297	49	4	of	of	IN
43297	49	5	this	this	DT
43297	49	6	branch	branch	NN
43297	49	7	of	of	IN
43297	49	8	the	the	DT
43297	49	9	subject	subject	NN
43297	49	10	may	may	MD
43297	49	11	,	,	,
43297	49	12	however	however	RB
43297	49	13	,	,	,
43297	49	14	conveniently	conveniently	RB
43297	49	15	be	be	VB
43297	49	16	deferred	defer	VBN
43297	49	17	to	to	IN
43297	49	18	a	a	DT
43297	49	19	subsequent	subsequent	JJ
43297	49	20	chapter	chapter	NN
43297	49	21	.	.	.
43297	50	1	The	the	DT
43297	50	2	best	well	RBS
43297	50	3	-	-	HYPH
43297	50	4	known	know	VBN
43297	50	5	clays	clay	NNS
43297	50	6	are	be	VBP
43297	50	7	the	the	DT
43297	50	8	surface	surface	NN
43297	50	9	clays	clay	NNS
43297	50	10	,	,	,
43297	50	11	loams	loam	NNS
43297	50	12	and	and	CC
43297	50	13	marls	marls	NNP
43297	50	14	,	,	,
43297	50	15	the	the	DT
43297	50	16	shales	shale	NNS
43297	50	17	and	and	CC
43297	50	18	other	other	JJ
43297	50	19	sub	sub	JJ
43297	50	20	-	-	JJ
43297	50	21	surface	surface	NN
43297	50	22	clays	clay	NNS
43297	50	23	,	,	,
43297	50	24	and	and	CC
43297	50	25	the	the	DT
43297	50	26	pottery	pottery	NN
43297	50	27	and	and	CC
43297	50	28	china	china	NNP
43297	50	29	clays	clay	NNS
43297	50	30	.	.	.
43297	51	1	The	the	DT
43297	51	2	values	value	NNS
43297	51	3	of	of	IN
43297	51	4	these	these	DT
43297	51	5	different	different	JJ
43297	51	6	materials	material	NNS
43297	51	7	vary	vary	VBP
43297	51	8	enormously	enormously	RB
43297	51	9	,	,	,
43297	51	10	some	some	DT
43297	51	11	being	be	VBG
43297	51	12	almost	almost	RB
43297	51	13	worthless	worthless	JJ
43297	51	14	whilst	whilst	IN
43297	51	15	others	other	NNS
43297	51	16	are	be	VBP
43297	51	17	highly	highly	RB
43297	51	18	valued	value	VBN
43297	51	19	.	.	.
43297	52	1	The	the	DT
43297	52	2	_	_	NNP
43297	52	3	surface	surface	NN
43297	52	4	clays	clay	NNS
43297	52	5	_	_	NNP
43297	52	6	are	be	VBP
43297	52	7	chiefly	chiefly	RB
43297	52	8	used	use	VBN
43297	52	9	for	for	IN
43297	52	10	the	the	DT
43297	52	11	manufacture	manufacture	NN
43297	52	12	of	of	IN
43297	52	13	bricks	brick	NNS
43297	52	14	and	and	CC
43297	52	15	tiles	tile	NNS
43297	52	16	(	(	-LRB-
43297	52	17	though	though	IN
43297	52	18	some	some	DT
43297	52	19	are	be	VBP
43297	52	20	quite	quite	RB
43297	52	21	unsuitable	unsuitable	JJ
43297	52	22	for	for	IN
43297	52	23	this	this	DT
43297	52	24	purpose	purpose	NN
43297	52	25	)	)	-RRB-
43297	52	26	and	and	CC
43297	52	27	form	form	VB
43297	52	28	the	the	DT
43297	52	29	soil	soil	NN
43297	52	30	employed	employ	VBN
43297	52	31	in	in	IN
43297	52	32	agriculture	agriculture	NN
43297	52	33	in	in	IN
43297	52	34	many	many	JJ
43297	52	35	districts	district	NNS
43297	52	36	.	.	.
43297	53	1	The	the	DT
43297	53	2	_	_	NNP
43297	53	3	sub	sub	NN
43297	53	4	-	-	HYPH
43297	53	5	surface	surface	NN
43297	53	6	clays	clay	NNS
43297	53	7	_	_	NNP
43297	53	8	and	and	CC
43297	53	9	_	_	NNP
43297	53	10	shales	shale	NNS
43297	53	11	_	_	NNP
43297	53	12	are	be	VBP
43297	53	13	harder	hard	JJR
43297	53	14	,	,	,
43297	53	15	and	and	CC
43297	53	16	usually	usually	RB
43297	53	17	require	require	VBP
43297	53	18	mechanical	mechanical	JJ
43297	53	19	treatment	treatment	NN
43297	53	20	before	before	IN
43297	53	21	they	-PRON-	PRP
43297	53	22	can	can	MD
43297	53	23	be	be	VB
43297	53	24	used	use	VBN
43297	53	25	for	for	IN
43297	53	26	brick	brick	NN
43297	53	27	and	and	CC
43297	53	28	terra	terra	NN
43297	53	29	-	-	HYPH
43297	53	30	cotta	cotta	NNP
43297	53	31	manufacture	manufacture	NN
43297	53	32	,	,	,
43297	53	33	or	or	CC
43297	53	34	for	for	IN
43297	53	35	the	the	DT
43297	53	36	production	production	NN
43297	53	37	of	of	IN
43297	53	38	refractory	refractory	JJ
43297	53	39	and	and	CC
43297	53	40	sanitary	sanitary	JJ
43297	53	41	articles	article	NNS
43297	53	42	.	.	.
43297	54	1	The	the	DT
43297	54	2	_	_	NNP
43297	54	3	pottery	pottery	NN
43297	54	4	and	and	CC
43297	54	5	china	china	NNP
43297	54	6	clays	clay	NNS
43297	54	7	_	_	NNP
43297	54	8	are	be	VBP
43297	54	9	usually	usually	RB
43297	54	10	more	more	RBR
43297	54	11	free	free	JJ
43297	54	12	from	from	IN
43297	54	13	accessory	accessory	JJ
43297	54	14	constituents	constituent	NNS
43297	54	15	,	,	,
43297	54	16	and	and	CC
43297	54	17	are	be	VBP
43297	54	18	regarded	regard	VBN
43297	54	19	as	as	IN
43297	54	20	the	the	DT
43297	54	21	'	'	``
43297	54	22	purest	pure	JJS
43297	54	23	'	'	''
43297	54	24	clays	clay	NNS
43297	54	25	on	on	IN
43297	54	26	the	the	DT
43297	54	27	market	market	NN
43297	54	28	,	,	,
43297	54	29	though	though	IN
43297	54	30	a	a	DT
43297	54	31	considerable	considerable	JJ
43297	54	32	amount	amount	NN
43297	54	33	of	of	IN
43297	54	34	latitude	latitude	NN
43297	54	35	must	must	MD
43297	54	36	be	be	VB
43297	54	37	allowed	allow	VBN
43297	54	38	in	in	IN
43297	54	39	interpreting	interpret	VBG
43297	54	40	the	the	DT
43297	54	41	term	term	NN
43297	54	42	'	'	``
43297	54	43	pure	pure	JJ
43297	54	44	.	.	.
43297	54	45	'	'	''
43297	55	1	China	China	NNP
43297	55	2	clays	clay	NNS
43297	55	3	are	be	VBP
43297	55	4	by	by	IN
43297	55	5	no	no	DT
43297	55	6	means	means	NN
43297	55	7	pure	pure	JJ
43297	55	8	in	in	IN
43297	55	9	the	the	DT
43297	55	10	state	state	NN
43297	55	11	in	in	IN
43297	55	12	which	which	WDT
43297	55	13	they	-PRON-	PRP
43297	55	14	occur	occur	VBP
43297	55	15	,	,	,
43297	55	16	and	and	CC
43297	55	17	require	require	VBP
43297	55	18	careful	careful	JJ
43297	55	19	treatment	treatment	NN
43297	55	20	before	before	IN
43297	55	21	they	-PRON-	PRP
43297	55	22	can	can	MD
43297	55	23	be	be	VB
43297	55	24	sold	sell	VBN
43297	55	25	.	.	.
43297	56	1	Further	further	JJ
43297	56	2	information	information	NN
43297	56	3	with	with	IN
43297	56	4	regard	regard	NN
43297	56	5	to	to	IN
43297	56	6	the	the	DT
43297	56	7	characteristics	characteristic	NNS
43297	56	8	of	of	IN
43297	56	9	certain	certain	JJ
43297	56	10	clays	clay	NNS
43297	56	11	will	will	MD
43297	56	12	be	be	VB
43297	56	13	found	find	VBN
43297	56	14	in	in	IN
43297	56	15	Chapter	Chapter	NNP
43297	56	16	V.	V.	NNP
43297	56	17	The	the	DT
43297	56	18	Chemical	Chemical	NNP
43297	56	19	Properties	Properties	NNPS
43297	56	20	of	of	IN
43297	56	21	Clay	Clay	NNP
43297	56	22	.	.	.
43297	57	1	The	the	DT
43297	57	2	chief	chief	JJ
43297	57	3	constituents	constituent	NNS
43297	57	4	of	of	IN
43297	57	5	all	all	DT
43297	57	6	clays	clay	NNS
43297	57	7	are	be	VBP
43297	57	8	alumina	alumina	NNP
43297	57	9	and	and	CC
43297	57	10	silica	silica	NNP
43297	57	11	,	,	,
43297	57	12	the	the	DT
43297	57	13	latter	latter	JJ
43297	57	14	being	be	VBG
43297	57	15	always	always	RB
43297	57	16	in	in	IN
43297	57	17	excess	excess	NN
43297	57	18	of	of	IN
43297	57	19	the	the	DT
43297	57	20	former	former	JJ
43297	57	21	.	.	.
43297	58	1	These	these	DT
43297	58	2	two	two	CD
43297	58	3	oxides	oxide	NNS
43297	58	4	are	be	VBP
43297	58	5	,	,	,
43297	58	6	apparently	apparently	RB
43297	58	7	,	,	,
43297	58	8	combined	combine	VBN
43297	58	9	to	to	TO
43297	58	10	form	form	VB
43297	58	11	a	a	DT
43297	58	12	hydro	hydro	NNP
43297	58	13	-	-	HYPH
43297	58	14	alumino	alumino	NNP
43297	58	15	-	-	HYPH
43297	58	16	silicate	silicate	NN
43297	58	17	or	or	CC
43297	58	18	alumino	alumino	JJ
43297	58	19	-	-	HYPH
43297	58	20	silicic	silicic	NN
43297	58	21	acid	acid	NN
43297	58	22	corresponding	correspond	VBG
43297	58	23	to	to	IN
43297	58	24	the	the	DT
43297	58	25	formula	formula	NN
43297	58	26	H4Al2Si2O9[1	h4al2si2o9[1	NN
43297	58	27	]	]	-RRB-
43297	58	28	,	,	,
43297	58	29	but	but	CC
43297	58	30	many	many	JJ
43297	58	31	clays	clay	NNS
43297	58	32	contain	contain	VBP
43297	58	33	a	a	DT
43297	58	34	much	much	RB
43297	58	35	larger	large	JJR
43297	58	36	proportion	proportion	NN
43297	58	37	of	of	IN
43297	58	38	silica	silica	NN
43297	58	39	than	than	IN
43297	58	40	is	be	VBZ
43297	58	41	required	require	VBN
43297	58	42	to	to	TO
43297	58	43	form	form	VB
43297	58	44	this	this	DT
43297	58	45	compound	compound	NN
43297	58	46	,	,	,
43297	58	47	and	and	CC
43297	58	48	other	other	JJ
43297	58	49	alumino	alumino	JJ
43297	58	50	-	-	HYPH
43297	58	51	silicates	silicate	NNS
43297	58	52	also	also	RB
43297	58	53	occur	occur	VBP
43297	58	54	in	in	IN
43297	58	55	them	-PRON-	PRP
43297	58	56	in	in	IN
43297	58	57	varying	vary	VBG
43297	58	58	proportions	proportion	NNS
43297	58	59	(	(	-LRB-
43297	58	60	see	see	VB
43297	58	61	Chapters	Chapters	NNP
43297	58	62	V	V	NNP
43297	58	63	and	and	CC
43297	58	64	VI	VI	NNP
43297	58	65	)	)	-RRB-
43297	58	66	.	.	.
43297	59	1	All	all	DT
43297	59	2	clays	clay	NNS
43297	59	3	may	may	MD
43297	59	4	,	,	,
43297	59	5	apparently	apparently	RB
43297	59	6	,	,	,
43297	59	7	be	be	VB
43297	59	8	regarded	regard	VBN
43297	59	9	as	as	IN
43297	59	10	consisting	consist	VBG
43297	59	11	of	of	IN
43297	59	12	a	a	DT
43297	59	13	mixture	mixture	NN
43297	59	14	of	of	IN
43297	59	15	one	one	CD
43297	59	16	or	or	CC
43297	59	17	more	more	RBR
43297	59	18	hydrous	hydrous	JJ
43297	59	19	alumino	alumino	JJ
43297	59	20	-	-	HYPH
43297	59	21	silicates	silicate	NNS
43297	59	22	with	with	IN
43297	59	23	free	free	JJ
43297	59	24	silica	silica	NN
43297	59	25	and	and	CC
43297	59	26	other	other	JJ
43297	59	27	non	non	JJ
43297	59	28	-	-	JJ
43297	59	29	plastic	plastic	JJ
43297	59	30	minerals	mineral	NNS
43297	59	31	or	or	CC
43297	59	32	rock	rock	NN
43297	59	33	granules	granule	NNS
43297	59	34	,	,	,
43297	59	35	and	and	CC
43297	59	36	their	-PRON-	PRP$
43297	59	37	chemical	chemical	NN
43297	59	38	properties	property	NNS
43297	59	39	are	be	VBP
43297	59	40	largely	largely	RB
43297	59	41	dependent	dependent	JJ
43297	59	42	on	on	IN
43297	59	43	the	the	DT
43297	59	44	nature	nature	NN
43297	59	45	and	and	CC
43297	59	46	proportion	proportion	NN
43297	59	47	of	of	IN
43297	59	48	these	these	DT
43297	59	49	accessory	accessory	JJ
43297	59	50	ingredients	ingredient	NNS
43297	59	51	.	.	.
43297	60	1	The	the	DT
43297	60	2	purest	pure	JJS
43297	60	3	forms	form	NNS
43297	60	4	of	of	IN
43297	60	5	clay	clay	NNP
43297	60	6	(	(	-LRB-
43297	60	7	china	china	NNP
43297	60	8	clays	clay	NNS
43297	60	9	and	and	CC
43297	60	10	ball	ball	NN
43297	60	11	clays	clay	NNS
43297	60	12	)	)	-RRB-
43297	60	13	approximate	approximate	JJ
43297	60	14	to	to	IN
43297	60	15	the	the	DT
43297	60	16	formula	formula	NN
43297	60	17	above	above	RB
43297	60	18	-	-	HYPH
43297	60	19	mentioned	mention	VBN
43297	60	20	,	,	,
43297	60	21	but	but	CC
43297	60	22	others	other	NNS
43297	60	23	differ	differ	VBP
43297	60	24	widely	widely	RB
43297	60	25	from	from	IN
43297	60	26	it	-PRON-	PRP
43297	60	27	,	,	,
43297	60	28	as	as	IN
43297	60	29	will	will	MD
43297	60	30	be	be	VB
43297	60	31	seen	see	VBN
43297	60	32	from	from	IN
43297	60	33	the	the	DT
43297	60	34	analyses	analysis	NNS
43297	60	35	on	on	IN
43297	60	36	p.	p.	NN
43297	60	37	16	16	CD
43297	60	38	.	.	.
43297	61	1	The	the	DT
43297	61	2	chemical	chemical	NN
43297	61	3	properties	property	NNS
43297	61	4	of	of	IN
43297	61	5	pure	pure	JJ
43297	61	6	clay	clay	NN
43297	61	7	are	be	VBP
43297	61	8	described	describe	VBN
43297	61	9	more	more	RBR
43297	61	10	fully	fully	RB
43297	61	11	in	in	IN
43297	61	12	Chapter	Chapter	NNP
43297	61	13	VI	VI	NNP
43297	61	14	.	.	.
43297	62	1	[	[	-LRB-
43297	62	2	Footnote	footnote	NN
43297	62	3	1	1	CD
43297	62	4	:	:	:
43297	62	5	This	this	DT
43297	62	6	formula	formula	NN
43297	62	7	is	be	VBZ
43297	62	8	commonly	commonly	RB
43297	62	9	written	write	VBN
43297	62	10	Al2O33·2SiO2·2H2O	al2o33·2sio2·2h2o	CD
43297	62	11	,	,	,
43297	62	12	but	but	CC
43297	62	13	although	although	IN
43297	62	14	this	this	DT
43297	62	15	is	be	VBZ
43297	62	16	a	a	DT
43297	62	17	convenient	convenient	JJ
43297	62	18	arrangement	arrangement	NN
43297	62	19	,	,	,
43297	62	20	it	-PRON-	PRP
43297	62	21	must	must	MD
43297	62	22	not	not	RB
43297	62	23	be	be	VB
43297	62	24	understood	understand	VBN
43297	62	25	to	to	TO
43297	62	26	mean	mean	VB
43297	62	27	that	that	IN
43297	62	28	clays	clay	NNS
43297	62	29	contain	contain	VBP
43297	62	30	water	water	NN
43297	62	31	in	in	IN
43297	62	32	a	a	DT
43297	62	33	state	state	NN
43297	62	34	of	of	IN
43297	62	35	combination	combination	NN
43297	62	36	similar	similar	JJ
43297	62	37	to	to	IN
43297	62	38	that	that	DT
43297	62	39	in	in	IN
43297	62	40	such	such	JJ
43297	62	41	substances	substance	NNS
43297	62	42	as	as	IN
43297	62	43	washing	washing	NN
43297	62	44	soda	soda	NN
43297	62	45	--	--	:
43297	62	46	Na2CO3·24H2O	Na2CO3·24H2O	NNP
43297	62	47	,	,	,
43297	62	48	or	or	CC
43297	62	49	zinc	zinc	NN
43297	62	50	sulphate	sulphate	NN
43297	62	51	crystals	crystal	NNS
43297	62	52	--	--	:
43297	62	53	ZnSO4·7H2O	ZnSO4·7H2O	NNP
43297	62	54	(	(	-LRB-
43297	62	55	see	see	VB
43297	62	56	Chapter	Chapter	NNP
43297	62	57	VI	VI	NNP
43297	62	58	)	)	-RRB-
43297	62	59	.	.	.
43297	62	60	]	]	-RRB-
43297	63	1	Taking	take	VBG
43297	63	2	china	china	NNP
43297	63	3	clay	clay	NN
43297	63	4	,	,	,
43297	63	5	which	which	WDT
43297	63	6	has	have	VBZ
43297	63	7	been	be	VBN
43297	63	8	carefully	carefully	RB
43297	63	9	purified	purify	VBN
43297	63	10	by	by	IN
43297	63	11	levigation	levigation	NN
43297	63	12	,	,	,
43297	63	13	as	as	IN
43297	63	14	representative	representative	NN
43297	63	15	of	of	IN
43297	63	16	the	the	DT
43297	63	17	composition	composition	NN
43297	63	18	of	of	IN
43297	63	19	a	a	DT
43297	63	20	'	'	``
43297	63	21	pure	pure	JJ
43297	63	22	'	'	''
43297	63	23	clay	clay	NN
43297	63	24	,	,	,
43297	63	25	it	-PRON-	PRP
43297	63	26	will	will	MD
43297	63	27	be	be	VB
43297	63	28	found	find	VBN
43297	63	29	that	that	IN
43297	63	30	the	the	DT
43297	63	31	chief	chief	JJ
43297	63	32	impurities	impurity	NNS
43297	63	33	in	in	IN
43297	63	34	clays	clay	NNS
43297	63	35	are	be	VBP
43297	63	36	(	(	-LRB-
43297	63	37	_	_	NNP
43297	63	38	a	a	DT
43297	63	39	_	_	NNP
43297	63	40	)	)	-RRB-
43297	63	41	stones	stone	NNS
43297	63	42	,	,	,
43297	63	43	gravel	gravel	NN
43297	63	44	and	and	CC
43297	63	45	sand	sand	NN
43297	63	46	--	--	:
43297	63	47	removable	removable	JJ
43297	63	48	by	by	IN
43297	63	49	washing	wash	VBG
43297	63	50	or	or	CC
43297	63	51	sifting	sift	VBG
43297	63	52	;	;	:
43297	63	53	(	(	-LRB-
43297	63	54	_	_	NNP
43297	63	55	b	b	NNP
43297	63	56	_	_	NNP
43297	63	57	)	)	-RRB-
43297	63	58	felspar	felspar	NNP
43297	63	59	,	,	,
43297	63	60	mica	mica	NNP
43297	63	61	and	and	CC
43297	63	62	other	other	JJ
43297	63	63	silicates	silicate	NNS
43297	63	64	and	and	CC
43297	63	65	free	free	JJ
43297	63	66	silica	silica	NN
43297	63	67	--	--	:
43297	63	68	which	which	WDT
43297	63	69	can	can	MD
43297	63	70	not	not	RB
43297	63	71	be	be	VB
43297	63	72	completely	completely	RB
43297	63	73	removed	remove	VBN
43297	63	74	without	without	IN
43297	63	75	affecting	affect	VBG
43297	63	76	the	the	DT
43297	63	77	clay	clay	NN
43297	63	78	and	and	CC
43297	63	79	(	(	-LRB-
43297	63	80	_	_	NNP
43297	63	81	c	c	NNP
43297	63	82	_	_	NNP
43297	63	83	)	)	-RRB-
43297	63	84	lime	lime	NNP
43297	63	85	,	,	,
43297	63	86	magnesia	magnesia	NNP
43297	63	87	,	,	,
43297	63	88	iron	iron	NN
43297	63	89	,	,	,
43297	63	90	potash	potash	NN
43297	63	91	and	and	CC
43297	63	92	soda	soda	NN
43297	63	93	compounds	compound	NNS
43297	63	94	,	,	,
43297	63	95	together	together	RB
43297	63	96	with	with	IN
43297	63	97	minute	minute	JJ
43297	63	98	quantities	quantity	NNS
43297	63	99	of	of	IN
43297	63	100	other	other	JJ
43297	63	101	oxides	oxide	NNS
43297	63	102	,	,	,
43297	63	103	all	all	DT
43297	63	104	of	of	IN
43297	63	105	which	which	WDT
43297	63	106	appear	appear	VBP
43297	63	107	to	to	TO
43297	63	108	be	be	VB
43297	63	109	so	so	RB
43297	63	110	closely	closely	RB
43297	63	111	connected	connected	JJ
43297	63	112	with	with	IN
43297	63	113	the	the	DT
43297	63	114	clay	clay	NN
43297	63	115	as	as	IN
43297	63	116	to	to	TO
43297	63	117	be	be	VB
43297	63	118	incapable	incapable	JJ
43297	63	119	of	of	IN
43297	63	120	removal	removal	NN
43297	63	121	from	from	IN
43297	63	122	it	-PRON-	PRP
43297	63	123	by	by	IN
43297	63	124	any	any	DT
43297	63	125	mechanical	mechanical	JJ
43297	63	126	methods	method	NNS
43297	63	127	of	of	IN
43297	63	128	purification	purification	NN
43297	63	129	.	.	.
43297	64	1	To	to	TO
43297	64	2	give	give	VB
43297	64	3	a	a	DT
43297	64	4	detailed	detailed	JJ
43297	64	5	description	description	NN
43297	64	6	of	of	IN
43297	64	7	the	the	DT
43297	64	8	effect	effect	NN
43297	64	9	of	of	IN
43297	64	10	each	each	DT
43297	64	11	of	of	IN
43297	64	12	the	the	DT
43297	64	13	impurities	impurity	NNS
43297	64	14	just	just	RB
43297	64	15	referred	refer	VBD
43297	64	16	to	to	TO
43297	64	17	would	would	MD
43297	64	18	necessitate	necessitate	VB
43297	64	19	a	a	DT
43297	64	20	much	much	RB
43297	64	21	larger	large	JJR
43297	64	22	volume	volume	NN
43297	64	23	than	than	IN
43297	64	24	the	the	DT
43297	64	25	present	present	NN
43297	64	26	,	,	,
43297	64	27	but	but	CC
43297	64	28	a	a	DT
43297	64	29	few	few	JJ
43297	64	30	brief	brief	JJ
43297	64	31	notes	note	NNS
43297	64	32	on	on	IN
43297	64	33	the	the	DT
43297	64	34	more	more	RBR
43297	64	35	important	important	JJ
43297	64	36	ones	one	NNS
43297	64	37	are	be	VBP
43297	64	38	essential	essential	JJ
43297	64	39	to	to	IN
43297	64	40	a	a	DT
43297	64	41	further	further	JJ
43297	64	42	consideration	consideration	NN
43297	64	43	of	of	IN
43297	64	44	the	the	DT
43297	64	45	natural	natural	JJ
43297	64	46	history	history	NN
43297	64	47	of	of	IN
43297	64	48	clay	clay	NN
43297	64	49	.	.	.
43297	65	1	_	_	NNP
43297	65	2	Stones	Stones	NNPS
43297	65	3	_	_	NNP
43297	65	4	,	,	,
43297	65	5	_	_	NNP
43297	65	6	gravel	gravel	NN
43297	65	7	_	_	NNP
43297	65	8	and	and	CC
43297	65	9	_	_	NNP
43297	65	10	sand	sand	NN
43297	65	11	_	_	NNP
43297	65	12	are	be	VBP
43297	65	13	most	most	RBS
43297	65	14	noticeable	noticeable	JJ
43297	65	15	in	in	IN
43297	65	16	the	the	DT
43297	65	17	boulder	boulder	NN
43297	65	18	clays	clay	NNS
43297	65	19	,	,	,
43297	65	20	but	but	CC
43297	65	21	they	-PRON-	PRP
43297	65	22	occur	occur	VBP
43297	65	23	in	in	IN
43297	65	24	clays	clay	NNS
43297	65	25	of	of	IN
43297	65	26	most	most	JJS
43297	65	27	geological	geological	JJ
43297	65	28	ages	age	NNS
43297	65	29	,	,	,
43297	65	30	though	though	IN
43297	65	31	in	in	IN
43297	65	32	very	very	JJ
43297	65	33	varying	varying	NN
43297	65	34	proportions	proportion	NNS
43297	65	35	.	.	.
43297	66	1	Sometimes	sometimes	RB
43297	66	2	the	the	DT
43297	66	3	stones	stone	NNS
43297	66	4	are	be	VBP
43297	66	5	so	so	RB
43297	66	6	large	large	JJ
43297	66	7	that	that	IN
43297	66	8	they	-PRON-	PRP
43297	66	9	may	may	MD
43297	66	10	be	be	VB
43297	66	11	readily	readily	RB
43297	66	12	picked	pick	VBN
43297	66	13	out	out	RP
43297	66	14	by	by	IN
43297	66	15	hand	hand	NN
43297	66	16	;	;	:
43297	66	17	in	in	IN
43297	66	18	any	any	DT
43297	66	19	case	case	NN
43297	66	20	the	the	DT
43297	66	21	stones	stone	NNS
43297	66	22	,	,	,
43297	66	23	gravel	gravel	NN
43297	66	24	and	and	CC
43297	66	25	most	most	JJS
43297	66	26	of	of	IN
43297	66	27	the	the	DT
43297	66	28	sand	sand	NN
43297	66	29	may	may	MD
43297	66	30	be	be	VB
43297	66	31	removed	remove	VBN
43297	66	32	by	by	IN
43297	66	33	mixing	mix	VBG
43297	66	34	the	the	DT
43297	66	35	material	material	NN
43297	66	36	with	with	IN
43297	66	37	a	a	DT
43297	66	38	sufficient	sufficient	JJ
43297	66	39	quantity	quantity	NN
43297	66	40	of	of	IN
43297	66	41	water	water	NN
43297	66	42	and	and	CC
43297	66	43	passing	pass	VBG
43297	66	44	the	the	DT
43297	66	45	'	'	``
43297	66	46	slip	slip	NN
43297	66	47	'	'	''
43297	66	48	through	through	IN
43297	66	49	a	a	DT
43297	66	50	fine	fine	JJ
43297	66	51	sieve	sieve	NN
43297	66	52	,	,	,
43297	66	53	or	or	CC
43297	66	54	by	by	IN
43297	66	55	allowing	allow	VBG
43297	66	56	it	-PRON-	PRP
43297	66	57	to	to	TO
43297	66	58	remain	remain	VB
43297	66	59	stationary	stationary	JJ
43297	66	60	for	for	IN
43297	66	61	a	a	DT
43297	66	62	few	few	JJ
43297	66	63	moments	moment	NNS
43297	66	64	and	and	CC
43297	66	65	then	then	RB
43297	66	66	allowing	allow	VBG
43297	66	67	the	the	DT
43297	66	68	supernatant	supernatant	JJ
43297	66	69	liquid	liquid	NN
43297	66	70	to	to	TO
43297	66	71	run	run	VB
43297	66	72	off	off	RP
43297	66	73	into	into	IN
43297	66	74	a	a	DT
43297	66	75	settling	settle	VBG
43297	66	76	tank	tank	NN
43297	66	77	.	.	.
43297	67	1	Some	some	DT
43297	67	2	clays	clay	NNS
43297	67	3	contain	contain	VBP
43297	67	4	sand	sand	NN
43297	67	5	grains	grain	NNS
43297	67	6	which	which	WDT
43297	67	7	are	be	VBP
43297	67	8	so	so	RB
43297	67	9	fine	fine	JJ
43297	67	10	that	that	IN
43297	67	11	they	-PRON-	PRP
43297	67	12	can	can	MD
43297	67	13	not	not	RB
43297	67	14	be	be	VB
43297	67	15	removed	remove	VBN
43297	67	16	in	in	IN
43297	67	17	this	this	DT
43297	67	18	manner	manner	NN
43297	67	19	and	and	CC
43297	67	20	the	the	DT
43297	67	21	clay	clay	NN
43297	67	22	must	must	MD
43297	67	23	then	then	RB
43297	67	24	be	be	VB
43297	67	25	washed	wash	VBN
43297	67	26	out	out	RP
43297	67	27	by	by	IN
43297	67	28	a	a	DT
43297	67	29	stream	stream	NN
43297	67	30	of	of	IN
43297	67	31	water	water	NN
43297	67	32	with	with	IN
43297	67	33	a	a	DT
43297	67	34	velocity	velocity	NN
43297	67	35	not	not	RB
43297	67	36	exceeding	exceed	VBG
43297	67	37	2	2	CD
43297	67	38	ft	ft	NN
43297	67	39	.	.	NN
43297	67	40	per	per	IN
43297	67	41	hour	hour	NN
43297	67	42	.	.	.
43297	68	1	Even	even	RB
43297	68	2	then	then	RB
43297	68	3	,	,	,
43297	68	4	the	the	DT
43297	68	5	clay	clay	NN
43297	68	6	so	so	RB
43297	68	7	removed	removed	JJ
43297	68	8	may	may	MD
43297	68	9	be	be	VB
43297	68	10	found	find	VBN
43297	68	11	to	to	TO
43297	68	12	contain	contain	VB
43297	68	13	minute	minute	NN
43297	68	14	grains	grain	NNS
43297	68	15	of	of	IN
43297	68	16	silt	silt	NN
43297	68	17	,	,	,
43297	68	18	much	much	JJ
43297	68	19	of	of	IN
43297	68	20	which	which	WDT
43297	68	21	may	may	MD
43297	68	22	be	be	VB
43297	68	23	removed	remove	VBN
43297	68	24	by	by	IN
43297	68	25	a	a	DT
43297	68	26	series	series	NN
43297	68	27	of	of	IN
43297	68	28	sedimentations	sedimentation	NNS
43297	68	29	for	for	IN
43297	68	30	various	various	JJ
43297	68	31	periods	period	NNS
43297	68	32	,	,	,
43297	68	33	though	though	IN
43297	68	34	a	a	DT
43297	68	35	material	material	NN
43297	68	36	perfectly	perfectly	RB
43297	68	37	free	free	JJ
43297	68	38	from	from	IN
43297	68	39	non	non	JJ
43297	68	40	-	-	JJ
43297	68	41	plastic	plastic	JJ
43297	68	42	granules	granule	NNS
43297	68	43	may	may	MD
43297	68	44	be	be	VB
43297	68	45	unattainable	unattainable	JJ
43297	68	46	.	.	.
43297	69	1	Most	Most	JJS
43297	69	2	of	of	IN
43297	69	3	the	the	DT
43297	69	4	sand	sand	NN
43297	69	5	found	find	VBD
43297	69	6	associated	associate	VBN
43297	69	7	with	with	IN
43297	69	8	clays	clay	NNS
43297	69	9	is	be	VBZ
43297	69	10	in	in	IN
43297	69	11	the	the	DT
43297	69	12	form	form	NN
43297	69	13	of	of	IN
43297	69	14	fragments	fragment	NNS
43297	69	15	of	of	IN
43297	69	16	_	_	NNP
43297	69	17	quartz	quartz	NN
43297	69	18	_	_	NNP
43297	69	19	crystals	crystal	NNS
43297	69	20	(	(	-LRB-
43297	69	21	fig	fig	NN
43297	69	22	.	.	.
43297	70	1	1	1	LS
43297	70	2	)	)	-RRB-
43297	70	3	,	,	,
43297	70	4	though	though	IN
43297	70	5	it	-PRON-	PRP
43297	70	6	may	may	MD
43297	70	7	be	be	VB
43297	70	8	composed	compose	VBN
43297	70	9	of	of	IN
43297	70	10	irregular	irregular	JJ
43297	70	11	particles	particle	NNS
43297	70	12	of	of	IN
43297	70	13	other	other	JJ
43297	70	14	minerals	mineral	NNS
43297	70	15	or	or	CC
43297	70	16	of	of	IN
43297	70	17	amorphous	amorphous	JJ
43297	70	18	silica	silica	NN
43297	70	19	.	.	.
43297	71	1	_	_	NNP
43297	71	2	Felspar	Felspar	NNP
43297	71	3	_	_	NNP
43297	71	4	,	,	,
43297	71	5	_	_	NNP
43297	71	6	mica	mica	NNP
43297	71	7	_	_	NNP
43297	71	8	and	and	CC
43297	71	9	other	other	JJ
43297	71	10	adventitious	adventitious	JJ
43297	71	11	silicates	silicate	NNS
43297	71	12	occur	occur	VBP
43297	71	13	in	in	IN
43297	71	14	many	many	JJ
43297	71	15	natural	natural	JJ
43297	71	16	clays	clay	NNS
43297	71	17	in	in	IN
43297	71	18	so	so	RB
43297	71	19	fine	fine	JJ
43297	71	20	a	a	DT
43297	71	21	state	state	NN
43297	71	22	of	of	IN
43297	71	23	division	division	NN
43297	71	24	that	that	IN
43297	71	25	their	-PRON-	PRP$
43297	71	26	removal	removal	NN
43297	71	27	would	would	MD
43297	71	28	be	be	VB
43297	71	29	unremunerative	unremunerative	JJ
43297	71	30	.	.	.
43297	72	1	In	in	IN
43297	72	2	addition	addition	NN
43297	72	3	to	to	IN
43297	72	4	this	this	DT
43297	72	5	they	-PRON-	PRP
43297	72	6	act	act	VBP
43297	72	7	as	as	IN
43297	72	8	fluxes	flux	NNS
43297	72	9	when	when	WRB
43297	72	10	the	the	DT
43297	72	11	clays	clay	NNS
43297	72	12	are	be	VBP
43297	72	13	heated	heat	VBN
43297	72	14	in	in	IN
43297	72	15	kilns	kiln	NNS
43297	72	16	,	,	,
43297	72	17	binding	bind	VBG
43297	72	18	the	the	DT
43297	72	19	less	less	RBR
43297	72	20	fusible	fusible	JJ
43297	72	21	particles	particle	NNS
43297	72	22	together	together	RB
43297	72	23	and	and	CC
43297	72	24	forming	form	VBG
43297	72	25	a	a	DT
43297	72	26	far	far	RB
43297	72	27	stronger	strong	JJR
43297	72	28	mass	mass	NN
43297	72	29	than	than	IN
43297	72	30	would	would	MD
43297	72	31	otherwise	otherwise	RB
43297	72	32	be	be	VB
43297	72	33	produced	produce	VBN
43297	72	34	.	.	.
43297	73	1	Consequently	consequently	RB
43297	73	2	,	,	,
43297	73	3	they	-PRON-	PRP
43297	73	4	are	be	VBP
43297	73	5	valuable	valuable	JJ
43297	73	6	constituents	constituent	NNS
43297	73	7	in	in	IN
43297	73	8	clays	clay	NNS
43297	73	9	used	use	VBN
43297	73	10	for	for	IN
43297	73	11	the	the	DT
43297	73	12	manufacture	manufacture	NN
43297	73	13	of	of	IN
43297	73	14	articles	article	NNS
43297	73	15	in	in	IN
43297	73	16	which	which	WDT
43297	73	17	strength	strength	NN
43297	73	18	or	or	CC
43297	73	19	imperviousness	imperviousness	NN
43297	73	20	is	be	VBZ
43297	73	21	important	important	JJ
43297	73	22	.	.	.
43297	74	1	If	if	IN
43297	74	2	these	these	DT
43297	74	3	minerals	mineral	NNS
43297	74	4	are	be	VBP
43297	74	5	present	present	JJ
43297	74	6	in	in	IN
43297	74	7	the	the	DT
43297	74	8	form	form	NN
43297	74	9	of	of	IN
43297	74	10	particles	particle	NNS
43297	74	11	which	which	WDT
43297	74	12	are	be	VBP
43297	74	13	sufficiently	sufficiently	RB
43297	74	14	large	large	JJ
43297	74	15	to	to	TO
43297	74	16	be	be	VB
43297	74	17	removed	remove	VBN
43297	74	18	by	by	IN
43297	74	19	elutriation	elutriation	NN
43297	74	20	in	in	IN
43297	74	21	the	the	DT
43297	74	22	manner	manner	NN
43297	74	23	described	describe	VBN
43297	74	24	on	on	IN
43297	74	25	the	the	DT
43297	74	26	previous	previous	JJ
43297	74	27	page	page	NN
43297	74	28	,	,	,
43297	74	29	the	the	DT
43297	74	30	purification	purification	NN
43297	74	31	of	of	IN
43297	74	32	the	the	DT
43297	74	33	clay	clay	NN
43297	74	34	is	be	VBZ
43297	74	35	not	not	RB
43297	74	36	difficult	difficult	JJ
43297	74	37	.	.	.
43297	75	1	Usually	usually	RB
43297	75	2	,	,	,
43297	75	3	however	however	RB
43297	75	4	,	,	,
43297	75	5	the	the	DT
43297	75	6	most	most	RBS
43297	75	7	careful	careful	JJ
43297	75	8	treatment	treatment	NN
43297	75	9	fails	fail	VBZ
43297	75	10	to	to	TO
43297	75	11	remove	remove	VB
43297	75	12	all	all	PDT
43297	75	13	these	these	DT
43297	75	14	minerals	mineral	NNS
43297	75	15	;	;	:
43297	75	16	their	-PRON-	PRP$
43297	75	17	presence	presence	NN
43297	75	18	may	may	MD
43297	75	19	then	then	RB
43297	75	20	be	be	VB
43297	75	21	detected	detect	VBN
43297	75	22	by	by	IN
43297	75	23	microscopical	microscopical	JJ
43297	75	24	examination	examination	NN
43297	75	25	and	and	CC
43297	75	26	by	by	IN
43297	75	27	chemical	chemical	NN
43297	75	28	analysis	analysis	NN
43297	75	29	.	.	.
43297	76	1	For	for	IN
43297	76	2	most	most	JJS
43297	76	3	of	of	IN
43297	76	4	the	the	DT
43297	76	5	purposes	purpose	NNS
43297	76	6	for	for	IN
43297	76	7	which	which	WDT
43297	76	8	clays	clay	NNS
43297	76	9	are	be	VBP
43297	76	10	used	use	VBN
43297	76	11	,	,	,
43297	76	12	small	small	JJ
43297	76	13	proportions	proportion	NNS
43297	76	14	of	of	IN
43297	76	15	these	these	DT
43297	76	16	silicates	silicate	NNS
43297	76	17	are	be	VBP
43297	76	18	unimportant	unimportant	JJ
43297	76	19	,	,	,
43297	76	20	but	but	CC
43297	76	21	where	where	WRB
43297	76	22	clays	clay	NNS
43297	76	23	of	of	IN
43297	76	24	a	a	DT
43297	76	25	highly	highly	RB
43297	76	26	refractory	refractory	JJ
43297	76	27	nature	nature	NN
43297	76	28	are	be	VBP
43297	76	29	required	require	VBN
43297	76	30	;	;	:
43297	76	31	and	and	CC
43297	76	32	for	for	IN
43297	76	33	most	most	JJS
43297	76	34	of	of	IN
43297	76	35	the	the	DT
43297	76	36	purposes	purpose	NNS
43297	76	37	for	for	IN
43297	76	38	which	which	WDT
43297	76	39	china	china	NNP
43297	76	40	clays	clays	NNP
43297	76	41	(	(	-LRB-
43297	76	42	kaolins	kaolins	NNP
43297	76	43	)	)	-RRB-
43297	76	44	are	be	VBP
43297	76	45	employed	employ	VBN
43297	76	46	,	,	,
43297	76	47	they	-PRON-	PRP
43297	76	48	must	must	MD
43297	76	49	not	not	RB
43297	76	50	be	be	VB
43297	76	51	present	present	JJ
43297	76	52	to	to	IN
43297	76	53	the	the	DT
43297	76	54	extent	extent	NN
43297	76	55	of	of	IN
43297	76	56	more	more	JJR
43297	76	57	than	than	IN
43297	76	58	5	5	CD
43297	76	59	per	per	NN
43297	76	60	cent	cent	NN
43297	76	61	.	.	.
43297	76	62	,	,	,
43297	76	63	smaller	small	JJR
43297	76	64	proportions	proportion	NNS
43297	76	65	being	be	VBG
43297	76	66	preferable	preferable	JJ
43297	76	67	.	.	.
43297	77	1	[	[	-LRB-
43297	77	2	Illustration	illustration	NN
43297	77	3	:	:	:
43297	77	4	Fig	Fig	NNP
43297	77	5	.	.	.
43297	78	1	1	1	LS
43297	78	2	.	.	.
43297	79	1	Quartz	quartz	NN
43297	79	2	crystals	crystal	NNS
43297	79	3	,	,	,
43297	79	4	natural	natural	JJ
43297	79	5	size	size	NN
43297	79	6	.	.	.
43297	80	1	(	(	-LRB-
43297	80	2	From	from	IN
43297	80	3	Miers	Miers	NNP
43297	80	4	'	'	POS
43297	80	5	Mineralogy	Mineralogy	NNP
43297	80	6	_	_	NNP
43297	80	7	by	by	IN
43297	80	8	permission	permission	NN
43297	80	9	of	of	IN
43297	80	10	Macmillan	Macmillan	NNP
43297	80	11	&	&	CC
43297	80	12	Co.	Co.	NNP
43297	80	13	_	_	NNP
43297	80	14	)	)	-RRB-
43297	80	15	]	]	-RRB-
43297	80	16	_	_	NNP
43297	80	17	Oxides	Oxides	NNP
43297	80	18	_	_	NNP
43297	80	19	,	,	,
43297	80	20	_	_	NNP
43297	80	21	sulphides	sulphide	NNS
43297	80	22	_	_	NNP
43297	80	23	,	,	,
43297	80	24	_	_	NNP
43297	80	25	sulphates	sulphate	VBZ
43297	80	26	_	_	NNP
43297	80	27	and	and	CC
43297	80	28	_	_	NNP
43297	80	29	carbonates	carbonate	VBZ
43297	80	30	_	_	NNP
43297	80	31	of	of	IN
43297	80	32	various	various	JJ
43297	80	33	metals	metal	NNS
43297	80	34	form	form	VBP
43297	80	35	the	the	DT
43297	80	36	third	third	JJ
43297	80	37	class	class	NN
43297	80	38	of	of	IN
43297	80	39	impurities	impurity	NNS
43297	80	40	in	in	IN
43297	80	41	clays	clay	NNS
43297	80	42	.	.	.
43297	81	1	Of	of	IN
43297	81	2	these	these	DT
43297	81	3	,	,	,
43297	81	4	the	the	DT
43297	81	5	most	most	RBS
43297	81	6	important	important	JJ
43297	81	7	are	be	VBP
43297	81	8	calcium	calcium	NN
43297	81	9	oxide	oxide	NN
43297	81	10	(	(	-LRB-
43297	81	11	lime	lime	NN
43297	81	12	)	)	-RRB-
43297	81	13	,	,	,
43297	81	14	calcium	calcium	NN
43297	81	15	carbonate	carbonate	NN
43297	81	16	(	(	-LRB-
43297	81	17	chalk	chalk	NN
43297	81	18	and	and	CC
43297	81	19	limestone	limestone	NN
43297	81	20	)	)	-RRB-
43297	81	21	,	,	,
43297	81	22	calcium	calcium	NN
43297	81	23	sulphate	sulphate	NN
43297	81	24	(	(	-LRB-
43297	81	25	gypsum	gypsum	NNP
43297	81	26	and	and	CC
43297	81	27	selenite	selenite	NNP
43297	81	28	)	)	-RRB-
43297	81	29	,	,	,
43297	81	30	the	the	DT
43297	81	31	corresponding	correspond	VBG
43297	81	32	magnesia	magnesia	NNP
43297	81	33	,	,	,
43297	81	34	magnesium	magnesium	NN
43297	81	35	carbonate	carbonate	NN
43297	81	36	,	,	,
43297	81	37	and	and	CC
43297	81	38	sulphate	sulphate	VB
43297	81	39	,	,	,
43297	81	40	the	the	DT
43297	81	41	various	various	JJ
43297	81	42	iron	iron	NN
43297	81	43	oxides	oxide	NNS
43297	81	44	,	,	,
43297	81	45	ferrous	ferrous	JJ
43297	81	46	carbonate	carbonate	NN
43297	81	47	and	and	CC
43297	81	48	iron	iron	NN
43297	81	49	sulphides	sulphide	NNS
43297	81	50	(	(	-LRB-
43297	81	51	pyrite	pyrite	JJ
43297	81	52	and	and	CC
43297	81	53	marcasite	marcasite	NNP
43297	81	54	)	)	-RRB-
43297	81	55	(	(	-LRB-
43297	81	56	p.	p.	NN
43297	81	57	13	13	CD
43297	81	58	)	)	-RRB-
43297	81	59	.	.	.
43297	82	1	Potash	potash	NN
43297	82	2	and	and	CC
43297	82	3	soda	soda	NN
43297	82	4	compounds	compound	NNS
43297	82	5	are	be	VBP
43297	82	6	commonly	commonly	RB
43297	82	7	present	present	JJ
43297	82	8	as	as	IN
43297	82	9	constituents	constituent	NNS
43297	82	10	of	of	IN
43297	82	11	the	the	DT
43297	82	12	felspar	felspar	NNP
43297	82	13	,	,	,
43297	82	14	mica	mica	NNP
43297	82	15	,	,	,
43297	82	16	or	or	CC
43297	82	17	other	other	JJ
43297	82	18	silicates	silicate	NNS
43297	82	19	present	present	JJ
43297	82	20	,	,	,
43297	82	21	and	and	CC
43297	82	22	need	need	VBP
43297	82	23	no	no	DT
43297	82	24	further	further	JJ
43297	82	25	description	description	NN
43297	82	26	,	,	,
43297	82	27	though	though	IN
43297	82	28	small	small	JJ
43297	82	29	proportions	proportion	NNS
43297	82	30	of	of	IN
43297	82	31	_	_	NNP
43297	82	32	soluble	soluble	JJ
43297	82	33	salts_--chiefly	salts_--chiefly	NNP
43297	82	34	sodium	sodium	NN
43297	82	35	,	,	,
43297	82	36	potassium	potassium	NN
43297	82	37	,	,	,
43297	82	38	calcium	calcium	NN
43297	82	39	and	and	CC
43297	82	40	magnesium	magnesium	NN
43297	82	41	sulphates	sulphate	NNS
43297	82	42	--	--	:
43297	82	43	occur	occur	VBP
43297	82	44	in	in	IN
43297	82	45	most	most	JJS
43297	82	46	clays	clay	NNS
43297	82	47	and	and	CC
43297	82	48	may	may	MD
43297	82	49	cause	cause	VB
43297	82	50	a	a	DT
43297	82	51	white	white	JJ
43297	82	52	scum	scum	NN
43297	82	53	on	on	IN
43297	82	54	bricks	brick	NNS
43297	82	55	and	and	CC
43297	82	56	terra	terra	NNP
43297	82	57	-	-	HYPH
43297	82	58	cotta	cotta	NNP
43297	82	59	made	make	VBN
43297	82	60	from	from	IN
43297	82	61	them	-PRON-	PRP
43297	82	62	.	.	.
43297	83	1	_	_	NNP
43297	83	2	Lime	Lime	NNP
43297	83	3	and	and	CC
43297	83	4	magnesia	magnesia	NNP
43297	83	5	compounds	compound	NNS
43297	83	6	_	_	NNP
43297	83	7	may	may	MD
43297	83	8	occur	occur	VB
43297	83	9	as	as	IN
43297	83	10	silicates	silicate	NNS
43297	83	11	(	(	-LRB-
43297	83	12	varieties	variety	NNS
43297	83	13	of	of	IN
43297	83	14	felspar	felspar	NNP
43297	83	15	,	,	,
43297	83	16	mica	mica	NNP
43297	83	17	,	,	,
43297	83	18	etc	etc	FW
43297	83	19	.	.	.
43297	84	1	)	)	-RRB-
43297	84	2	,	,	,
43297	84	3	but	but	CC
43297	84	4	their	-PRON-	PRP$
43297	84	5	most	most	RBS
43297	84	6	important	important	JJ
43297	84	7	occurrence	occurrence	NN
43297	84	8	is	be	VBZ
43297	84	9	as	as	IN
43297	84	10	chalk	chalk	NN
43297	84	11	or	or	CC
43297	84	12	limestone	limestone	NN
43297	84	13	.	.	.
43297	85	1	_	_	NNP
43297	85	2	Chalk	Chalk	NNP
43297	85	3	_	_	NNP
43297	85	4	is	be	VBZ
43297	85	5	a	a	DT
43297	85	6	constant	constant	JJ
43297	85	7	constituent	constituent	NN
43297	85	8	of	of	IN
43297	85	9	malms[2	malms[2	NNP
43297	85	10	]	]	-RRB-
43297	85	11	and	and	CC
43297	85	12	of	of	IN
43297	85	13	many	many	JJ
43297	85	14	marls	marl	NNS
43297	85	15	,	,	,
43297	85	16	but	but	CC
43297	85	17	the	the	DT
43297	85	18	latter	latter	JJ
43297	85	19	may	may	MD
43297	85	20	contain	contain	VB
43297	85	21	limestone	limestone	NN
43297	85	22	particles	particle	NNS
43297	85	23	.	.	.
43297	86	1	_	_	NNP
43297	86	2	Limestone	Limestone	NNP
43297	86	3	_	_	NNP
43297	86	4	occurs	occur	VBZ
43297	86	5	in	in	IN
43297	86	6	many	many	JJ
43297	86	7	marls	marl	NNS
43297	86	8	and	and	CC
43297	86	9	to	to	IN
43297	86	10	a	a	DT
43297	86	11	smaller	small	JJR
43297	86	12	extent	extent	NN
43297	86	13	in	in	IN
43297	86	14	other	other	JJ
43297	86	15	clays	clay	NNS
43297	86	16	.	.	.
43297	87	1	In	in	IN
43297	87	2	the	the	DT
43297	87	3	boulder	boulder	NN
43297	87	4	clays	clay	VBZ
43297	87	5	it	-PRON-	PRP
43297	87	6	frequently	frequently	RB
43297	87	7	forms	form	VBZ
43297	87	8	a	a	DT
43297	87	9	large	large	JJ
43297	87	10	portion	portion	NN
43297	87	11	of	of	IN
43297	87	12	the	the	DT
43297	87	13	stony	stony	NNP
43297	87	14	material	material	NN
43297	87	15	.	.	.
43297	88	1	If	if	IN
43297	88	2	the	the	DT
43297	88	3	grains	grain	NNS
43297	88	4	are	be	VBP
43297	88	5	very	very	RB
43297	88	6	small	small	JJ
43297	88	7	(	(	-LRB-
43297	88	8	as	as	IN
43297	88	9	in	in	IN
43297	88	10	chalk	chalk	NN
43297	88	11	)	)	-RRB-
43297	88	12	,	,	,
43297	88	13	the	the	DT
43297	88	14	lime	lime	NNP
43297	88	15	compounds	compound	NNS
43297	88	16	act	act	VBP
43297	88	17	as	as	IN
43297	88	18	a	a	DT
43297	88	19	flux	flux	NN
43297	88	20	,	,	,
43297	88	21	reducing	reduce	VBG
43297	88	22	the	the	DT
43297	88	23	heat	heat	NN
43297	88	24	-	-	HYPH
43297	88	25	resisting	resist	VBG
43297	88	26	power	power	NN
43297	88	27	of	of	IN
43297	88	28	the	the	DT
43297	88	29	clay	clay	NN
43297	88	30	and	and	CC
43297	88	31	increasing	increase	VBG
43297	88	32	the	the	DT
43297	88	33	amount	amount	NN
43297	88	34	of	of	IN
43297	88	35	vitrification	vitrification	NN
43297	88	36	;	;	:
43297	88	37	they	-PRON-	PRP
43297	88	38	produce	produce	VBP
43297	88	39	in	in	IN
43297	88	40	extreme	extreme	JJ
43297	88	41	cases	case	NNS
43297	88	42	a	a	DT
43297	88	43	slag	slag	NN
43297	88	44	-	-	HYPH
43297	88	45	like	like	JJ
43297	88	46	mass	mass	NN
43297	88	47	when	when	WRB
43297	88	48	the	the	DT
43297	88	49	clay	clay	NN
43297	88	50	is	be	VBZ
43297	88	51	intensely	intensely	RB
43297	88	52	heated	heated	JJ
43297	88	53	.	.	.
43297	89	1	If	if	IN
43297	89	2	,	,	,
43297	89	3	on	on	IN
43297	89	4	the	the	DT
43297	89	5	contrary	contrary	NN
43297	89	6	,	,	,
43297	89	7	the	the	DT
43297	89	8	grains	grain	NNS
43297	89	9	are	be	VBP
43297	89	10	larger	large	JJR
43297	89	11	(	(	-LRB-
43297	89	12	as	as	IN
43297	89	13	frequently	frequently	RB
43297	89	14	occurs	occur	VBZ
43297	89	15	with	with	IN
43297	89	16	limestone	limestone	NN
43297	89	17	)	)	-RRB-
43297	89	18	,	,	,
43297	89	19	they	-PRON-	PRP
43297	89	20	are	be	VBP
43297	89	21	converted	convert	VBN
43297	89	22	into	into	IN
43297	89	23	lime	lime	NN
43297	89	24	or	or	CC
43297	89	25	magnesia	magnesia	NN
43297	89	26	when	when	WRB
43297	89	27	the	the	DT
43297	89	28	clay	clay	NN
43297	89	29	is	be	VBZ
43297	89	30	'	'	``
43297	89	31	burned	burn	VBN
43297	89	32	'	'	''
43297	89	33	in	in	IN
43297	89	34	a	a	DT
43297	89	35	kiln	kiln	NN
43297	89	36	,	,	,
43297	89	37	and	and	CC
43297	89	38	the	the	DT
43297	89	39	lime	lime	NN
43297	89	40	,	,	,
43297	89	41	on	on	IN
43297	89	42	exposure	exposure	NN
43297	89	43	to	to	TO
43297	89	44	weather	weather	NN
43297	89	45	,	,	,
43297	89	46	absorbs	absorb	VBZ
43297	89	47	moisture	moisture	NN
43297	89	48	(	(	-LRB-
43297	89	49	_	_	NNP
43297	89	50	i.e	i.e	NNP
43297	89	51	.	.	.
43297	90	1	slakes	slakes	NNP
43297	90	2	_	_	NNP
43297	90	3	)	)	-RRB-
43297	90	4	,	,	,
43297	90	5	swells	swell	NNS
43297	90	6	,	,	,
43297	90	7	and	and	CC
43297	90	8	may	may	MD
43297	90	9	disintegrate	disintegrate	VB
43297	90	10	the	the	DT
43297	90	11	articles	article	NNS
43297	90	12	made	make	VBN
43297	90	13	from	from	IN
43297	90	14	the	the	DT
43297	90	15	clay	clay	NN
43297	90	16	.	.	.
43297	91	1	Limestone	Limestone	NNP
43297	91	2	(	(	-LRB-
43297	91	3	except	except	IN
43297	91	4	when	when	WRB
43297	91	5	in	in	IN
43297	91	6	a	a	DT
43297	91	7	very	very	RB
43297	91	8	finely	finely	RB
43297	91	9	divided	divide	VBN
43297	91	10	state	state	NN
43297	91	11	)	)	-RRB-
43297	91	12	is	be	VBZ
43297	91	13	almost	almost	RB
43297	91	14	invariably	invariably	RB
43297	91	15	objectionable	objectionable	JJ
43297	91	16	in	in	IN
43297	91	17	clays	clay	NNS
43297	91	18	,	,	,
43297	91	19	but	but	CC
43297	91	20	chalk	chalk	NN
43297	91	21	is	be	VBZ
43297	91	22	frequently	frequently	RB
43297	91	23	a	a	DT
43297	91	24	valuable	valuable	JJ
43297	91	25	constituent	constituent	NN
43297	91	26	.	.	.
43297	92	1	[	[	-LRB-
43297	92	2	Footnote	footnote	NN
43297	92	3	2	2	CD
43297	92	4	:	:	:
43297	92	5	A	a	DT
43297	92	6	_	_	NNP
43297	92	7	malm	malm	NN
43297	92	8	_	_	NNP
43297	92	9	is	be	VBZ
43297	92	10	a	a	DT
43297	92	11	natural	natural	JJ
43297	92	12	mixture	mixture	NN
43297	92	13	of	of	IN
43297	92	14	clay	clay	NN
43297	92	15	and	and	CC
43297	92	16	chalk	chalk	NN
43297	92	17	(	(	-LRB-
43297	92	18	p.	p.	NN
43297	93	1	68	68	LS
43297	93	2	)	)	-RRB-
43297	93	3	.	.	.
43297	93	4	]	]	-RRB-
43297	94	1	Chalk	Chalk	NNP
43297	94	2	is	be	VBZ
43297	94	3	added	add	VBN
43297	94	4	to	to	TO
43297	94	5	clay	clay	VB
43297	94	6	in	in	IN
43297	94	7	the	the	DT
43297	94	8	manufacture	manufacture	NN
43297	94	9	of	of	IN
43297	94	10	malm	malm	NN
43297	94	11	-	-	HYPH
43297	94	12	bricks	brick	NNS
43297	94	13	to	to	TO
43297	94	14	produce	produce	VB
43297	94	15	a	a	DT
43297	94	16	more	more	RBR
43297	94	17	pleasing	pleasing	JJ
43297	94	18	colour	colour	NN
43297	94	19	than	than	IN
43297	94	20	would	would	MD
43297	94	21	be	be	VB
43297	94	22	obtained	obtain	VBN
43297	94	23	from	from	IN
43297	94	24	the	the	DT
43297	94	25	clay	clay	NN
43297	94	26	alone	alone	RB
43297	94	27	,	,	,
43297	94	28	to	to	TO
43297	94	29	reduce	reduce	VB
43297	94	30	the	the	DT
43297	94	31	shrinkage	shrinkage	NN
43297	94	32	of	of	IN
43297	94	33	the	the	DT
43297	94	34	clay	clay	NN
43297	94	35	to	to	IN
43297	94	36	convenient	convenient	JJ
43297	94	37	limits	limit	NNS
43297	94	38	and	and	CC
43297	94	39	,	,	,
43297	94	40	less	less	RBR
43297	94	41	frequently	frequently	RB
43297	94	42	,	,	,
43297	94	43	to	to	TO
43297	94	44	form	form	VB
43297	94	45	a	a	DT
43297	94	46	more	more	RBR
43297	94	47	vitrifiable	vitrifiable	JJ
43297	94	48	material	material	NN
43297	94	49	.	.	.
43297	95	1	Chalk	chalk	VB
43297	95	2	,	,	,
43297	95	3	on	on	IN
43297	95	4	heating	heating	NN
43297	95	5	,	,	,
43297	95	6	combines	combine	VBZ
43297	95	7	with	with	IN
43297	95	8	iron	iron	NN
43297	95	9	oxide	oxide	NN
43297	95	10	and	and	CC
43297	95	11	clay	clay	NN
43297	95	12	,	,	,
43297	95	13	forming	form	VBG
43297	95	14	a	a	DT
43297	95	15	white	white	JJ
43297	95	16	silicate	silicate	NN
43297	95	17	,	,	,
43297	95	18	so	so	IN
43297	95	19	that	that	IN
43297	95	20	some	some	DT
43297	95	21	clays	clay	NNS
43297	95	22	which	which	WDT
43297	95	23	would	would	MD
43297	95	24	,	,	,
43297	95	25	alone	alone	RB
43297	95	26	,	,	,
43297	95	27	form	form	VB
43297	95	28	a	a	DT
43297	95	29	red	red	JJ
43297	95	30	brick	brick	NN
43297	95	31	,	,	,
43297	95	32	will	will	MD
43297	95	33	,	,	,
43297	95	34	if	if	IN
43297	95	35	mixed	mix	VBN
43297	95	36	with	with	IN
43297	95	37	chalk	chalk	NN
43297	95	38	,	,	,
43297	95	39	form	form	VB
43297	95	40	a	a	DT
43297	95	41	white	white	JJ
43297	95	42	one	one	CD
43297	95	43	.	.	.
43297	96	1	Lime	Lime	NNP
43297	96	2	compounds	compound	NNS
43297	96	3	have	have	VBP
43297	96	4	the	the	DT
43297	96	5	serious	serious	JJ
43297	96	6	objection	objection	NN
43297	96	7	of	of	IN
43297	96	8	acting	act	VBG
43297	96	9	as	as	IN
43297	96	10	very	very	RB
43297	96	11	rapid	rapid	JJ
43297	96	12	and	and	CC
43297	96	13	powerful	powerful	JJ
43297	96	14	fluxes	flux	NNS
43297	96	15	,	,	,
43297	96	16	so	so	IN
43297	96	17	that	that	IN
43297	96	18	when	when	WRB
43297	96	19	clays	clay	NNS
43297	96	20	containing	contain	VBG
43297	96	21	them	-PRON-	PRP
43297	96	22	are	be	VBP
43297	96	23	heated	heat	VBN
43297	96	24	sufficiently	sufficiently	RB
43297	96	25	to	to	TO
43297	96	26	start	start	VB
43297	96	27	partial	partial	JJ
43297	96	28	fusion	fusion	NN
43297	96	29	,	,	,
43297	96	30	a	a	DT
43297	96	31	very	very	RB
43297	96	32	slight	slight	JJ
43297	96	33	additional	additional	JJ
43297	96	34	rise	rise	NN
43297	96	35	in	in	IN
43297	96	36	temperature	temperature	NN
43297	96	37	may	may	MD
43297	96	38	easily	easily	RB
43297	96	39	reduce	reduce	VB
43297	96	40	the	the	DT
43297	96	41	whole	whole	NN
43297	96	42	to	to	IN
43297	96	43	a	a	DT
43297	96	44	shapeless	shapeless	NN
43297	96	45	,	,	,
43297	96	46	slag	slag	NN
43297	96	47	-	-	HYPH
43297	96	48	like	like	JJ
43297	96	49	mass	mass	NN
43297	96	50	.	.	.
43297	97	1	Magnesia	Magnesia	NNP
43297	97	2	compounds	compound	NNS
43297	97	3	act	act	VBP
43297	97	4	much	much	RB
43297	97	5	more	more	RBR
43297	97	6	slowly	slowly	RB
43297	97	7	in	in	IN
43297	97	8	this	this	DT
43297	97	9	respect	respect	NN
43297	97	10	and	and	CC
43297	97	11	so	so	RB
43297	97	12	are	be	VBP
43297	97	13	less	less	RBR
43297	97	14	harmful	harmful	JJ
43297	97	15	.	.	.
43297	98	1	_	_	NNP
43297	98	2	Gypsum_--a	Gypsum_--a	NNP
43297	98	3	calcium	calcium	NN
43297	98	4	sulphate	sulphate	NN
43297	98	5	--	--	:
43297	98	6	occurs	occur	VBZ
43297	98	7	naturally	naturally	RB
43297	98	8	in	in	IN
43297	98	9	many	many	JJ
43297	98	10	sub	sub	JJ
43297	98	11	-	-	HYPH
43297	98	12	surface	surface	NN
43297	98	13	clays	clay	NNS
43297	98	14	,	,	,
43297	98	15	often	often	RB
43297	98	16	in	in	IN
43297	98	17	well	well	RB
43297	98	18	-	-	HYPH
43297	98	19	defined	define	VBN
43297	98	20	crystalline	crystalline	NN
43297	98	21	masses	masse	NNS
43297	98	22	.	.	.
43297	99	1	It	-PRON-	PRP
43297	99	2	reduces	reduce	VBZ
43297	99	3	the	the	DT
43297	99	4	heat	heat	NN
43297	99	5	-	-	HYPH
43297	99	6	resisting	resist	VBG
43297	99	7	power	power	NN
43297	99	8	of	of	IN
43297	99	9	the	the	DT
43297	99	10	clays	clay	NNS
43297	99	11	containing	contain	VBG
43297	99	12	it	-PRON-	PRP
43297	99	13	and	and	CC
43297	99	14	may	may	MD
43297	99	15	,	,	,
43297	99	16	under	under	IN
43297	99	17	some	some	DT
43297	99	18	conditions	condition	NNS
43297	99	19	,	,	,
43297	99	20	rise	rise	VB
43297	99	21	to	to	IN
43297	99	22	the	the	DT
43297	99	23	surface	surface	NN
43297	99	24	of	of	IN
43297	99	25	the	the	DT
43297	99	26	articles	article	NNS
43297	99	27	made	make	VBN
43297	99	28	from	from	IN
43297	99	29	the	the	DT
43297	99	30	clay	clay	NN
43297	99	31	,	,	,
43297	99	32	in	in	IN
43297	99	33	the	the	DT
43297	99	34	form	form	NN
43297	99	35	of	of	IN
43297	99	36	a	a	DT
43297	99	37	white	white	JJ
43297	99	38	efflorescence	efflorescence	NN
43297	99	39	or	or	CC
43297	99	40	scum	scum	NN
43297	99	41	,	,	,
43297	99	42	such	such	JJ
43297	99	43	as	as	IN
43297	99	44	is	be	VBZ
43297	99	45	seen	see	VBN
43297	99	46	on	on	IN
43297	99	47	some	some	DT
43297	99	48	brick	brick	NN
43297	99	49	walls	wall	NNS
43297	99	50	.	.	.
43297	100	1	_	_	NNP
43297	100	2	Iron	Iron	NNP
43297	100	3	compounds	compound	NNS
43297	100	4	_	_	NNP
43297	100	5	are	be	VBP
43297	100	6	highly	highly	RB
43297	100	7	important	important	JJ
43297	100	8	because	because	IN
43297	100	9	they	-PRON-	PRP
43297	100	10	exercise	exercise	VBP
43297	100	11	a	a	DT
43297	100	12	powerful	powerful	JJ
43297	100	13	influence	influence	NN
43297	100	14	on	on	IN
43297	100	15	the	the	DT
43297	100	16	colour	colour	NN
43297	100	17	of	of	IN
43297	100	18	the	the	DT
43297	100	19	burned	burn	VBN
43297	100	20	clays	clay	NNS
43297	100	21	.	.	.
43297	101	1	The	the	DT
43297	101	2	red	red	JJ
43297	101	3	oxide	oxide	NN
43297	101	4	(	(	-LRB-
43297	101	5	ferric	ferric	JJ
43297	101	6	oxide	oxide	NN
43297	101	7	)	)	-RRB-
43297	101	8	is	be	VBZ
43297	101	9	the	the	DT
43297	101	10	most	most	RBS
43297	101	11	useful	useful	JJ
43297	101	12	form	form	NN
43297	101	13	in	in	IN
43297	101	14	burned	burn	VBN
43297	101	15	clay	clay	NN
43297	101	16	,	,	,
43297	101	17	but	but	CC
43297	101	18	in	in	IN
43297	101	19	the	the	DT
43297	101	20	raw	raw	JJ
43297	101	21	material	material	NN
43297	101	22	ferrous	ferrous	JJ
43297	101	23	oxide	oxide	NN
43297	101	24	and	and	CC
43297	101	25	ferrous	ferrous	JJ
43297	101	26	carbonate	carbonate	NN
43297	101	27	may	may	MD
43297	101	28	also	also	RB
43297	101	29	occur	occur	VB
43297	101	30	,	,	,
43297	101	31	though	though	IN
43297	101	32	they	-PRON-	PRP
43297	101	33	are	be	VBP
43297	101	34	converted	convert	VBN
43297	101	35	into	into	IN
43297	101	36	the	the	DT
43297	101	37	red	red	JJ
43297	101	38	oxide	oxide	NN
43297	101	39	on	on	IN
43297	101	40	heating	heating	NN
43297	101	41	.	.	.
43297	102	1	The	the	DT
43297	102	2	red	red	JJ
43297	102	3	iron	iron	NN
43297	102	4	oxide	oxide	NN
43297	102	5	,	,	,
43297	102	6	which	which	WDT
43297	102	7	is	be	VBZ
43297	102	8	closely	closely	RB
43297	102	9	related	related	JJ
43297	102	10	to	to	IN
43297	102	11	'	'	``
43297	102	12	iron	iron	NN
43297	102	13	rust	rust	NN
43297	102	14	,	,	,
43297	102	15	'	'	''
43297	102	16	occurs	occur	VBZ
43297	102	17	in	in	RB
43297	102	18	so	so	RB
43297	102	19	finely	finely	RB
43297	102	20	divided	divide	VBN
43297	102	21	a	a	DT
43297	102	22	state	state	NN
43297	102	23	that	that	WDT
43297	102	24	its	-PRON-	PRP$
43297	102	25	particles	particle	NNS
43297	102	26	appear	appear	VBP
43297	102	27	to	to	TO
43297	102	28	be	be	VB
43297	102	29	almost	almost	RB
43297	102	30	as	as	RB
43297	102	31	small	small	JJ
43297	102	32	as	as	IN
43297	102	33	those	those	DT
43297	102	34	of	of	IN
43297	102	35	the	the	DT
43297	102	36	finest	fine	JJS
43297	102	37	clays	clay	NNS
43297	102	38	.	.	.
43297	103	1	Hence	hence	RB
43297	103	2	attempts	attempt	VBZ
43297	103	3	to	to	TO
43297	103	4	improve	improve	VB
43297	103	5	the	the	DT
43297	103	6	colour	colour	NN
43297	103	7	of	of	IN
43297	103	8	terra	terra	NNP
43297	103	9	-	-	HYPH
43297	103	10	cotta	cotta	NNP
43297	103	11	and	and	CC
43297	103	12	bricks	brick	NNS
43297	103	13	by	by	IN
43297	103	14	the	the	DT
43297	103	15	addition	addition	NN
43297	103	16	of	of	IN
43297	103	17	commercial	commercial	JJ
43297	103	18	'	'	``
43297	103	19	iron	iron	NN
43297	103	20	oxide	oxide	NN
43297	103	21	'	'	''
43297	103	22	are	be	VBP
43297	103	23	seldom	seldom	RB
43297	103	24	satisfactory	satisfactory	JJ
43297	103	25	,	,	,
43297	103	26	the	the	DT
43297	103	27	finest	fine	JJS
43297	103	28	material	material	NN
43297	103	29	obtainable	obtainable	JJ
43297	103	30	being	be	VBG
43297	103	31	far	far	RB
43297	103	32	coarser	coarser	NN
43297	103	33	than	than	IN
43297	103	34	that	that	DT
43297	103	35	occurring	occur	VBG
43297	103	36	in	in	IN
43297	103	37	clays	clay	NNS
43297	103	38	.	.	.
43297	104	1	It	-PRON-	PRP
43297	104	2	is	be	VBZ
43297	104	3	a	a	DT
43297	104	4	curious	curious	JJ
43297	104	5	fact	fact	NN
43297	104	6	that	that	IN
43297	104	7	red	red	JJ
43297	104	8	iron	iron	NN
43297	104	9	oxide	oxide	NN
43297	104	10	does	do	VBZ
43297	104	11	not	not	RB
43297	104	12	appear	appear	VB
43297	104	13	to	to	TO
43297	104	14	form	form	VB
43297	104	15	any	any	DT
43297	104	16	compound	compound	NN
43297	104	17	with	with	IN
43297	104	18	the	the	DT
43297	104	19	other	other	JJ
43297	104	20	constituents	constituent	NNS
43297	104	21	of	of	IN
43297	104	22	clay	clay	NN
43297	104	23	under	under	IN
43297	104	24	ordinary	ordinary	JJ
43297	104	25	conditions	condition	NNS
43297	104	26	of	of	IN
43297	104	27	firing	firing	NN
43297	104	28	,	,	,
43297	104	29	and	and	CC
43297	104	30	although	although	IN
43297	104	31	a	a	DT
43297	104	32	'	'	``
43297	104	33	base	base	NN
43297	104	34	'	'	''
43297	104	35	and	and	CC
43297	104	36	capable	capable	JJ
43297	104	37	of	of	IN
43297	104	38	reducing	reduce	VBG
43297	104	39	the	the	DT
43297	104	40	heat	heat	NN
43297	104	41	-	-	HYPH
43297	104	42	resisting	resist	VBG
43297	104	43	power	power	NN
43297	104	44	of	of	IN
43297	104	45	clays	clay	NNS
43297	104	46	,	,	,
43297	104	47	it	-PRON-	PRP
43297	104	48	does	do	VBZ
43297	104	49	not	not	RB
43297	104	50	appear	appear	VB
43297	104	51	to	to	TO
43297	104	52	do	do	VB
43297	104	53	so	so	RB
43297	104	54	as	as	RB
43297	104	55	long	long	RB
43297	104	56	as	as	IN
43297	104	57	the	the	DT
43297	104	58	conditions	condition	NNS
43297	104	59	in	in	IN
43297	104	60	the	the	DT
43297	104	61	kiln	kiln	NN
43297	104	62	are	be	VBP
43297	104	63	sufficiently	sufficiently	RB
43297	104	64	oxidizing	oxidizing	JJ
43297	104	65	.	.	.
43297	105	1	It	-PRON-	PRP
43297	105	2	is	be	VBZ
43297	105	3	this	this	DT
43297	105	4	which	which	WDT
43297	105	5	enables	enable	VBZ
43297	105	6	red	red	JJ
43297	105	7	bricks	brick	NNS
43297	105	8	and	and	CC
43297	105	9	other	other	JJ
43297	105	10	articles	article	NNS
43297	105	11	to	to	TO
43297	105	12	be	be	VB
43297	105	13	obtained	obtain	VBN
43297	105	14	with	with	IN
43297	105	15	remarkable	remarkable	JJ
43297	105	16	uniformity	uniformity	NN
43297	105	17	of	of	IN
43297	105	18	colour	colour	NN
43297	105	19	combined	combine	VBN
43297	105	20	with	with	IN
43297	105	21	great	great	JJ
43297	105	22	physical	physical	JJ
43297	105	23	strength	strength	NN
43297	105	24	.	.	.
43297	106	1	In	in	IN
43297	106	2	a	a	DT
43297	106	3	reducing	reduce	VBG
43297	106	4	atmosphere	atmosphere	NN
43297	106	5	,	,	,
43297	106	6	on	on	IN
43297	106	7	the	the	DT
43297	106	8	contrary	contrary	JJ
43297	106	9	,	,	,
43297	106	10	ferrous	ferrous	JJ
43297	106	11	oxide	oxide	NN
43297	106	12	readily	readily	RB
43297	106	13	forms	form	NNS
43297	106	14	and	and	CC
43297	106	15	attacks	attack	NNS
43297	106	16	the	the	DT
43297	106	17	clay	clay	NN
43297	106	18	,	,	,
43297	106	19	forming	form	VBG
43297	106	20	a	a	DT
43297	106	21	dark	dark	JJ
43297	106	22	grey	grey	JJ
43297	106	23	vitreous	vitreous	JJ
43297	106	24	mass	mass	NN
43297	106	25	.	.	.
43297	107	1	If	if	IN
43297	107	2	the	the	DT
43297	107	3	iron	iron	NN
43297	107	4	particles	particle	NNS
43297	107	5	are	be	VBP
43297	107	6	separated	separate	VBN
43297	107	7	from	from	IN
43297	107	8	each	each	DT
43297	107	9	other	other	JJ
43297	107	10	they	-PRON-	PRP
43297	107	11	will	will	MD
43297	107	12	,	,	,
43297	107	13	on	on	IN
43297	107	14	reduction	reduction	NN
43297	107	15	,	,	,
43297	107	16	form	form	VBP
43297	107	17	small	small	JJ
43297	107	18	slag	slag	NN
43297	107	19	-	-	HYPH
43297	107	20	like	like	JJ
43297	107	21	spots	spot	NNS
43297	107	22	,	,	,
43297	107	23	but	but	CC
43297	107	24	if	if	IN
43297	107	25	they	-PRON-	PRP
43297	107	26	are	be	VBP
43297	107	27	in	in	IN
43297	107	28	an	an	DT
43297	107	29	extremely	extremely	RB
43297	107	30	fine	fine	JJ
43297	107	31	state	state	NN
43297	107	32	of	of	IN
43297	107	33	division	division	NN
43297	107	34	and	and	CC
43297	107	35	well	well	RB
43297	107	36	distributed	distribute	VBN
43297	107	37	,	,	,
43297	107	38	the	the	DT
43297	107	39	brick	brick	NN
43297	107	40	or	or	CC
43297	107	41	other	other	JJ
43297	107	42	article	article	NN
43297	107	43	will	will	MD
43297	107	44	become	become	VB
43297	107	45	slightly	slightly	RB
43297	107	46	glossy	glossy	JJ
43297	107	47	and	and	CC
43297	107	48	of	of	IN
43297	107	49	an	an	DT
43297	107	50	uniform	uniform	JJ
43297	107	51	black	black	JJ
43297	107	52	-	-	HYPH
43297	107	53	grey	grey	JJ
43297	107	54	tint	tint	NN
43297	107	55	.	.	.
43297	108	1	The	the	DT
43297	108	2	famous	famous	JJ
43297	108	3	Staffordshire	Staffordshire	NNP
43297	108	4	'	'	''
43297	108	5	blue	blue	JJ
43297	108	6	'	'	''
43297	108	7	bricks	brick	NNS
43297	108	8	owe	owe	VBP
43297	108	9	their	-PRON-	PRP$
43297	108	10	colour	colour	NN
43297	108	11	to	to	IN
43297	108	12	this	this	DT
43297	108	13	characteristic	characteristic	NN
43297	108	14	;	;	:
43297	108	15	they	-PRON-	PRP
43297	108	16	are	be	VBP
43297	108	17	not	not	RB
43297	108	18	really	really	RB
43297	108	19	'	'	``
43297	108	20	blue	blue	JJ
43297	108	21	'	'	''
43297	108	22	in	in	IN
43297	108	23	colour	colour	NN
43297	108	24	.	.	.
43297	109	1	The	the	DT
43297	109	2	effect	effect	NN
43297	109	3	of	of	IN
43297	109	4	chalk	chalk	NN
43297	109	5	on	on	IN
43297	109	6	the	the	DT
43297	109	7	colour	colour	NN
43297	109	8	of	of	IN
43297	109	9	red	red	JJ
43297	109	10	-	-	HYPH
43297	109	11	burning	burn	VBG
43297	109	12	clays	clay	NNS
43297	109	13	has	have	VBZ
43297	109	14	already	already	RB
43297	109	15	been	be	VBN
43297	109	16	mentioned	mention	VBN
43297	109	17	.	.	.
43297	110	1	_	_	NNP
43297	110	2	Iron	Iron	NNP
43297	110	3	pyrite	pyrite	NNP
43297	110	4	_	_	NNP
43297	110	5	(	(	-LRB-
43297	110	6	fig	fig	NN
43297	110	7	.	.	.
43297	111	1	2	2	LS
43297	111	2	)	)	-RRB-
43297	111	3	and	and	CC
43297	111	4	_	_	NNP
43297	111	5	marcasite	marcasite	NN
43297	111	6	_	_	NNP
43297	111	7	(	(	-LRB-
43297	111	8	fig	fig	NN
43297	111	9	.	.	.
43297	112	1	3)--both	3)--both	CD
43297	112	2	of	of	IN
43297	112	3	which	which	WDT
43297	112	4	are	be	VBP
43297	112	5	forms	form	NNS
43297	112	6	of	of	IN
43297	112	7	iron	iron	NN
43297	112	8	sulphide	sulphide	NN
43297	112	9	--	--	:
43297	112	10	occur	occur	VB
43297	112	11	in	in	IN
43297	112	12	many	many	JJ
43297	112	13	clays	clay	NNS
43297	112	14	,	,	,
43297	112	15	particularly	particularly	RB
43297	112	16	those	those	DT
43297	112	17	of	of	IN
43297	112	18	the	the	DT
43297	112	19	Coal	Coal	NNP
43297	112	20	Measures	Measures	NNPS
43297	112	21	.	.	.
43297	113	1	_	_	NNP
43297	113	2	Mundic	Mundic	NNP
43297	113	3	_	_	NNP
43297	113	4	is	be	VBZ
43297	113	5	another	another	DT
43297	113	6	form	form	NN
43297	113	7	of	of	IN
43297	113	8	pyrites	pyrite	NNS
43297	113	9	which	which	WDT
43297	113	10	resembles	resemble	VBZ
43297	113	11	roots	root	NNS
43297	113	12	or	or	CC
43297	113	13	twigs	twig	NNS
43297	113	14	,	,	,
43297	113	15	but	but	CC
43297	113	16	when	when	WRB
43297	113	17	broken	break	VBN
43297	113	18	show	show	VBP
43297	113	19	a	a	DT
43297	113	20	brassy	brassy	JJ
43297	113	21	fracture	fracture	NN
43297	113	22	.	.	.
43297	114	1	When	when	WRB
43297	114	2	in	in	IN
43297	114	3	pieces	piece	NNS
43297	114	4	of	of	IN
43297	114	5	observable	observable	JJ
43297	114	6	size	size	NN
43297	114	7	the	the	DT
43297	114	8	pyrite	pyrite	NNP
43297	114	9	may	may	MD
43297	114	10	be	be	VB
43297	114	11	readily	readily	RB
43297	114	12	distinguished	distinguish	VBN
43297	114	13	by	by	IN
43297	114	14	its	-PRON-	PRP$
43297	114	15	resemblance	resemblance	NN
43297	114	16	to	to	IN
43297	114	17	polished	polished	JJ
43297	114	18	brass	brass	NN
43297	114	19	and	and	CC
43297	114	20	the	the	DT
43297	114	21	marcasite	marcasite	NN
43297	114	22	by	by	IN
43297	114	23	its	-PRON-	PRP$
43297	114	24	tin	tin	JJ
43297	114	25	-	-	HYPH
43297	114	26	white	white	JJ
43297	114	27	metallic	metallic	NNP
43297	114	28	lustre	lustre	NNP
43297	114	29	and	and	CC
43297	114	30	both	both	DT
43297	114	31	by	by	IN
43297	114	32	their	-PRON-	PRP$
43297	114	33	characteristic	characteristic	JJ
43297	114	34	cubic	cubic	NN
43297	114	35	,	,	,
43297	114	36	root	root	NN
43297	114	37	-	-	HYPH
43297	114	38	like	like	JJ
43297	114	39	and	and	CC
43297	114	40	spherical	spherical	JJ
43297	114	41	forms	form	NNS
43297	114	42	;	;	:
43297	114	43	the	the	DT
43297	114	44	latter	latter	JJ
43297	114	45	only	only	RB
43297	114	46	show	show	VB
43297	114	47	a	a	DT
43297	114	48	brass	brass	NN
43297	114	49	-	-	HYPH
43297	114	50	like	like	JJ
43297	114	51	sheen	sheen	NN
43297	114	52	when	when	WRB
43297	114	53	broken	break	VBN
43297	114	54	.	.	.
43297	115	1	Even	even	RB
43297	115	2	when	when	WRB
43297	115	3	only	only	RB
43297	115	4	a	a	DT
43297	115	5	small	small	JJ
43297	115	6	proportion	proportion	NN
43297	115	7	of	of	IN
43297	115	8	mundic	mundic	JJ
43297	115	9	,	,	,
43297	115	10	pyrite	pyrite	JJ
43297	115	11	or	or	CC
43297	115	12	marcasite	marcasite	NN
43297	115	13	is	be	VBZ
43297	115	14	present	present	JJ
43297	115	15	,	,	,
43297	115	16	it	-PRON-	PRP
43297	115	17	is	be	VBZ
43297	115	18	highly	highly	RB
43297	115	19	objectionable	objectionable	JJ
43297	115	20	for	for	IN
43297	115	21	several	several	JJ
43297	115	22	reasons	reason	NNS
43297	115	23	.	.	.
43297	116	1	In	in	IN
43297	116	2	the	the	DT
43297	116	3	first	first	JJ
43297	116	4	place	place	NN
43297	116	5	,	,	,
43297	116	6	half	half	PDT
43297	116	7	the	the	DT
43297	116	8	sulphur	sulphur	NNP
43297	116	9	present	present	NN
43297	116	10	is	be	VBZ
43297	116	11	given	give	VBN
43297	116	12	off	off	RP
43297	116	13	at	at	IN
43297	116	14	a	a	DT
43297	116	15	dark	dark	JJ
43297	116	16	red	red	JJ
43297	116	17	heat	heat	NN
43297	116	18	and	and	CC
43297	116	19	is	be	VBZ
43297	116	20	liable	liable	JJ
43297	116	21	to	to	TO
43297	116	22	cause	cause	VB
43297	116	23	troublesome	troublesome	JJ
43297	116	24	defects	defect	NNS
43297	116	25	on	on	IN
43297	116	26	the	the	DT
43297	116	27	goods	good	NNS
43297	116	28	.	.	.
43297	117	1	Secondly	secondly	RB
43297	117	2	,	,	,
43297	117	3	because	because	IN
43297	117	4	the	the	DT
43297	117	5	remaining	remain	VBG
43297	117	6	sulphur	sulphur	NN
43297	117	7	and	and	CC
43297	117	8	iron	iron	NN
43297	117	9	are	be	VBP
43297	117	10	not	not	RB
43297	117	11	readily	readily	RB
43297	117	12	oxidized	oxidize	VBN
43297	117	13	,	,	,
43297	117	14	so	so	IN
43297	117	15	that	that	IN
43297	117	16	there	there	EX
43297	117	17	is	be	VBZ
43297	117	18	a	a	DT
43297	117	19	great	great	JJ
43297	117	20	tendency	tendency	NN
43297	117	21	to	to	TO
43297	117	22	form	form	VB
43297	117	23	slag	slag	NN
43297	117	24	-	-	HYPH
43297	117	25	spots	spot	NNS
43297	117	26	of	of	IN
43297	117	27	ferrous	ferrous	JJ
43297	117	28	silicate	silicate	NN
43297	117	29	,	,	,
43297	117	30	owing	owe	VBG
43297	117	31	to	to	IN
43297	117	32	the	the	DT
43297	117	33	iron	iron	NN
43297	117	34	attacking	attack	VBG
43297	117	35	the	the	DT
43297	117	36	clay	clay	NN
43297	117	37	at	at	IN
43297	117	38	the	the	DT
43297	117	39	same	same	JJ
43297	117	40	moment	moment	NN
43297	117	41	as	as	IN
43297	117	42	it	-PRON-	PRP
43297	117	43	parts	part	VBZ
43297	117	44	with	with	IN
43297	117	45	its	-PRON-	PRP$
43297	117	46	remaining	remain	VBG
43297	117	47	sulphur	sulphur	NN
43297	117	48	.	.	.
43297	118	1	For	for	IN
43297	118	2	this	this	DT
43297	118	3	reason	reason	NN
43297	118	4	,	,	,
43297	118	5	clays	clay	NNS
43297	118	6	containing	contain	VBG
43297	118	7	any	any	DT
43297	118	8	iron	iron	NN
43297	118	9	sulphide	sulphide	NN
43297	118	10	seldom	seldom	RB
43297	118	11	burn	burn	VBP
43297	118	12	red	red	JJ
43297	118	13	,	,	,
43297	118	14	but	but	CC
43297	118	15	form	form	NN
43297	118	16	products	product	NNS
43297	118	17	of	of	IN
43297	118	18	a	a	DT
43297	118	19	buff	buff	JJ
43297	118	20	colour	colour	NN
43297	118	21	with	with	IN
43297	118	22	black	black	JJ
43297	118	23	spots	spot	NNS
43297	118	24	scattered	scatter	VBN
43297	118	25	irregularly	irregularly	RB
43297	118	26	over	over	IN
43297	118	27	their	-PRON-	PRP$
43297	118	28	surface	surface	NN
43297	118	29	and	and	CC
43297	118	30	throughout	throughout	IN
43297	118	31	the	the	DT
43297	118	32	mass	mass	NN
43297	118	33	--	--	:
43297	118	34	an	an	DT
43297	118	35	appearance	appearance	NN
43297	118	36	readily	readily	RB
43297	118	37	observable	observable	JJ
43297	118	38	on	on	IN
43297	118	39	most	most	RBS
43297	118	40	hard	hard	RB
43297	118	41	-	-	HYPH
43297	118	42	fired	fire	VBN
43297	118	43	firebricks	firebrick	NNS
43297	118	44	.	.	.
43297	119	1	If	if	IN
43297	119	2	chalcopyrite	chalcopyrite	JJ
43297	119	3	(	(	-LRB-
43297	119	4	copper	copper	NN
43297	119	5	-	-	HYPH
43297	119	6	iron	iron	NN
43297	119	7	sulphide	sulphide	NN
43297	119	8	)	)	-RRB-
43297	119	9	is	be	VBZ
43297	119	10	present	present	JJ
43297	119	11	the	the	DT
43297	119	12	spots	spot	NNS
43297	119	13	may	may	MD
43297	119	14	be	be	VB
43297	119	15	bright	bright	JJ
43297	119	16	green	green	JJ
43297	119	17	in	in	IN
43297	119	18	colour	colour	NN
43297	119	19	.	.	.
43297	120	1	[	[	-LRB-
43297	120	2	Illustration	illustration	NN
43297	120	3	:	:	:
43297	120	4	Fig	Fig	NNP
43297	120	5	.	.	.
43297	121	1	2	2	LS
43297	121	2	.	.	.
43297	122	1	Pyrite	Pyrite	NNP
43297	122	2	.	.	.
43297	122	3	]	]	-RRB-
43297	123	1	[	[	-LRB-
43297	123	2	Illustration	illustration	NN
43297	123	3	:	:	:
43297	123	4	Fig	Fig	NNP
43297	123	5	.	.	.
43297	124	1	3	3	LS
43297	124	2	.	.	.
43297	125	1	Marcasite	Marcasite	NNP
43297	125	2	.	.	.
43297	125	3	]	]	-RRB-
43297	126	1	Slightly	slightly	RB
43297	126	2	magnified	magnify	VBN
43297	126	3	.	.	.
43297	127	1	(	(	-LRB-
43297	127	2	_	_	NNP
43297	127	3	From	from	IN
43297	127	4	Miers	Miers	NNP
43297	127	5	'	'	POS
43297	127	6	_	_	NNP
43297	127	7	Mineralogy	Mineralogy	NNP
43297	127	8	_	_	NNP
43297	127	9	by	by	IN
43297	127	10	permission	permission	NN
43297	127	11	of	of	IN
43297	127	12	Macmillan	Macmillan	NNP
43297	127	13	&	&	CC
43297	127	14	Co.	Co.	NNP
43297	127	15	_	_	NNP
43297	127	16	)	)	-RRB-
43297	127	17	_	_	NNP
43297	127	18	Carbon	Carbon	NNP
43297	127	19	_	_	NNP
43297	127	20	,	,	,
43297	127	21	either	either	CC
43297	127	22	free	free	JJ
43297	127	23	or	or	CC
43297	127	24	as	as	IN
43297	127	25	hydrocarbons	hydrocarbon	NNS
43297	127	26	(	(	-LRB-
43297	127	27	chiefly	chiefly	RB
43297	127	28	vegetable	vegetable	JJ
43297	127	29	matter	matter	NN
43297	127	30	)	)	-RRB-
43297	127	31	or	or	CC
43297	127	32	in	in	IN
43297	127	33	other	other	JJ
43297	127	34	forms	form	NNS
43297	127	35	,	,	,
43297	127	36	is	be	VBZ
43297	127	37	a	a	DT
43297	127	38	constituent	constituent	NN
43297	127	39	of	of	IN
43297	127	40	most	most	JJS
43297	127	41	clays	clay	NNS
43297	127	42	,	,	,
43297	127	43	though	though	IN
43297	127	44	seldom	seldom	RB
43297	127	45	reported	report	VBN
43297	127	46	in	in	IN
43297	127	47	analyses	analysis	NNS
43297	127	48	.	.	.
43297	128	1	Its	-PRON-	PRP$
43297	128	2	presence	presence	NN
43297	128	3	exercises	exercise	VBZ
43297	128	4	an	an	DT
43297	128	5	important	important	JJ
43297	128	6	influence	influence	NN
43297	128	7	in	in	IN
43297	128	8	several	several	JJ
43297	128	9	respects	respect	NNS
43297	128	10	.	.	.
43297	129	1	On	on	IN
43297	129	2	heating	heat	VBG
43297	129	3	the	the	DT
43297	129	4	clay	clay	NN
43297	129	5	,	,	,
43297	129	6	with	with	IN
43297	129	7	an	an	DT
43297	129	8	ample	ample	JJ
43297	129	9	supply	supply	NN
43297	129	10	of	of	IN
43297	129	11	air	air	NN
43297	129	12	,	,	,
43297	129	13	the	the	DT
43297	129	14	carbonaceous	carbonaceous	JJ
43297	129	15	matter	matter	NN
43297	129	16	may	may	MD
43297	129	17	distil	distil	VB
43297	129	18	off	off	RP
43297	129	19	(	(	-LRB-
43297	129	20	as	as	IN
43297	129	21	shale	shale	JJ
43297	129	22	oil	oil	NN
43297	129	23	)	)	-RRB-
43297	129	24	,	,	,
43297	129	25	but	but	CC
43297	129	26	more	more	RBR
43297	129	27	usually	usually	RB
43297	129	28	it	-PRON-	PRP
43297	129	29	decomposes	decompose	VBZ
43297	129	30	and	and	CC
43297	129	31	burns	burn	VBZ
43297	129	32	out	out	RP
43297	129	33	leaving	leave	VBG
43297	129	34	pores	pore	NNS
43297	129	35	in	in	IN
43297	129	36	the	the	DT
43297	129	37	material	material	NN
43297	129	38	.	.	.
43297	130	1	If	if	IN
43297	130	2	the	the	DT
43297	130	3	air	air	NN
43297	130	4	-	-	HYPH
43297	130	5	supply	supply	NN
43297	130	6	is	be	VBZ
43297	130	7	insufficient	insufficient	JJ
43297	130	8	and	and	CC
43297	130	9	the	the	DT
43297	130	10	heating	heating	NN
43297	130	11	is	be	VBZ
43297	130	12	so	so	RB
43297	130	13	rapid	rapid	JJ
43297	130	14	and	and	CC
43297	130	15	intense	intense	JJ
43297	130	16	that	that	IN
43297	130	17	vitrification	vitrification	NN
43297	130	18	commences	commence	NNS
43297	130	19	before	before	IN
43297	130	20	the	the	DT
43297	130	21	carbon	carbon	NN
43297	130	22	is	be	VBZ
43297	130	23	all	all	DT
43297	130	24	burned	burn	VBN
43297	130	25	away	away	RB
43297	130	26	,	,	,
43297	130	27	the	the	DT
43297	130	28	pores	pore	NNS
43297	130	29	become	become	VBP
43297	130	30	filled	fill	VBN
43297	130	31	with	with	IN
43297	130	32	the	the	DT
43297	130	33	fused	fuse	VBN
43297	130	34	ingredients	ingredient	NNS
43297	130	35	of	of	IN
43297	130	36	the	the	DT
43297	130	37	clay	clay	NN
43297	130	38	,	,	,
43297	130	39	air	air	NN
43297	130	40	can	can	MD
43297	130	41	no	no	RB
43297	130	42	longer	longer	RB
43297	130	43	reach	reach	VB
43297	130	44	the	the	DT
43297	130	45	carbon	carbon	NN
43297	130	46	particles	particle	NNS
43297	130	47	and	and	CC
43297	130	48	a	a	DT
43297	130	49	black	black	JJ
43297	130	50	'	'	``
43297	130	51	core	core	NN
43297	130	52	'	'	''
43297	130	53	or	or	CC
43297	130	54	heart	heart	NN
43297	130	55	is	be	VBZ
43297	130	56	produced	produce	VBN
43297	130	57	.	.	.
43297	131	1	Under	under	IN
43297	131	2	peculiarly	peculiarly	JJ
43297	131	3	disadvantageous	disadvantageous	JJ
43297	131	4	conditions	condition	NNS
43297	131	5	the	the	DT
43297	131	6	material	material	NN
43297	131	7	may	may	MD
43297	131	8	also	also	RB
43297	131	9	swell	swell	VB
43297	131	10	greatly	greatly	RB
43297	131	11	.	.	.
43297	132	1	This	this	DT
43297	132	2	is	be	VBZ
43297	132	3	a	a	DT
43297	132	4	serious	serious	JJ
43297	132	5	defect	defect	NN
43297	132	6	in	in	IN
43297	132	7	many	many	JJ
43297	132	8	classes	class	NNS
43297	132	9	of	of	IN
43297	132	10	clay	clay	NN
43297	132	11	used	use	VBN
43297	132	12	for	for	IN
43297	132	13	brickmaking	brickmaking	NN
43297	132	14	,	,	,
43297	132	15	and	and	CC
43297	132	16	its	-PRON-	PRP$
43297	132	17	causes	cause	NNS
43297	132	18	and	and	CC
43297	132	19	prevention	prevention	NN
43297	132	20	have	have	VBP
43297	132	21	been	be	VBN
43297	132	22	exhaustively	exhaustively	RB
43297	132	23	studied	study	VBN
43297	132	24	by	by	IN
43297	132	25	Orton	Orton	NNP
43297	132	26	and	and	CC
43297	132	27	Griffiths	Griffiths	NNP
43297	132	28	(	(	-LRB-
43297	132	29	1)[3	1)[3	NNP
43297	132	30	]	]	-RRB-
43297	132	31	but	but	CC
43297	132	32	,	,	,
43297	132	33	beyond	beyond	IN
43297	132	34	the	the	DT
43297	132	35	brief	brief	JJ
43297	132	36	summary	summary	NN
43297	132	37	given	give	VBN
43297	132	38	above	above	RB
43297	132	39	,	,	,
43297	132	40	these	these	DT
43297	132	41	are	be	VBP
43297	132	42	beyond	beyond	IN
43297	132	43	the	the	DT
43297	132	44	scope	scope	NN
43297	132	45	of	of	IN
43297	132	46	the	the	DT
43297	132	47	present	present	JJ
43297	132	48	work	work	NN
43297	132	49	.	.	.
43297	133	1	_	_	NNP
43297	133	2	Water	Water	NNP
43297	133	3	_	_	NNP
43297	133	4	is	be	VBZ
43297	133	5	an	an	DT
43297	133	6	essential	essential	JJ
43297	133	7	constituent	constituent	NN
43297	133	8	of	of	IN
43297	133	9	all	all	DT
43297	133	10	unburned	unburned	JJ
43297	133	11	clays	clay	NNS
43297	133	12	,	,	,
43297	133	13	though	though	IN
43297	133	14	the	the	DT
43297	133	15	proportion	proportion	NN
43297	133	16	in	in	IN
43297	133	17	which	which	WDT
43297	133	18	it	-PRON-	PRP
43297	133	19	occurs	occur	VBZ
43297	133	20	varies	varie	NNS
43297	133	21	within	within	IN
43297	133	22	such	such	JJ
43297	133	23	wide	wide	JJ
43297	133	24	limits	limit	NNS
43297	133	25	that	that	WDT
43297	133	26	no	no	DT
43297	133	27	definite	definite	JJ
43297	133	28	standard	standard	NN
43297	133	29	can	can	MD
43297	133	30	be	be	VB
43297	133	31	stated	state	VBN
43297	133	32	.	.	.
43297	134	1	This	this	DT
43297	134	2	water	water	NN
43297	134	3	is	be	VBZ
43297	134	4	found	find	VBN
43297	134	5	in	in	IN
43297	134	6	two	two	CD
43297	134	7	conditions	condition	NNS
43297	134	8	:	:	:
43297	134	9	(	(	-LRB-
43297	134	10	_	_	NNP
43297	134	11	a	a	DT
43297	134	12	_	_	NNP
43297	134	13	)	)	-RRB-
43297	134	14	as	as	IN
43297	134	15	moisture	moisture	NN
43297	134	16	or	or	CC
43297	134	17	mechanically	mechanically	RB
43297	134	18	mixed	mixed	JJ
43297	134	19	with	with	IN
43297	134	20	the	the	DT
43297	134	21	clay	clay	NN
43297	134	22	particles	particle	NNS
43297	134	23	and	and	CC
43297	134	24	(	(	-LRB-
43297	134	25	_	_	NNP
43297	134	26	b	b	NNP
43297	134	27	_	_	NNP
43297	134	28	)	)	-RRB-
43297	134	29	in	in	IN
43297	134	30	a	a	DT
43297	134	31	state	state	NN
43297	134	32	of	of	IN
43297	134	33	chemical	chemical	NN
43297	134	34	combination	combination	NN
43297	134	35	.	.	.
43297	135	1	[	[	-LRB-
43297	135	2	Footnote	footnote	NN
43297	135	3	3	3	CD
43297	135	4	:	:	:
43297	135	5	References	reference	NNS
43297	135	6	to	to	IN
43297	135	7	original	original	JJ
43297	135	8	papers	paper	NNS
43297	135	9	,	,	,
43297	135	10	etc	etc	FW
43297	135	11	.	.	.
43297	136	1	will	will	MD
43297	136	2	be	be	VB
43297	136	3	found	find	VBN
43297	136	4	in	in	IN
43297	136	5	the	the	DT
43297	136	6	appendix	appendix	NNP
43297	136	7	.	.	.
43297	136	8	]	]	-RRB-
43297	137	1	ANALYSES	analysis	NNS
43297	137	2	OF	of	IN
43297	137	3	TYPICAL	typical	JJ
43297	137	4	CLAYS	clay	NNS
43297	137	5	_	_	NNP
43297	137	6	The	the	DT
43297	137	7	samples	sample	NNS
43297	137	8	were	be	VBD
43297	137	9	all	all	DT
43297	137	10	dried	dry	VBN
43297	137	11	at	at	IN
43297	137	12	105	105	CD
43297	137	13	°	°	NNS
43297	137	14	C.	C.	NNP
43297	137	15	_	_	NNP
43297	137	16	+	+	NNP
43297	137	17	-------------------+--------+-------+---------+--------+-------+-------+	-------------------+--------+-------+---------+--------+-------+-------+	NNP
43297	137	18	|	|	NNP
43297	137	19	Clay	Clay	NNP
43297	137	20	|	|	NNP
43297	137	21	China	China	NNP
43297	137	22	|	|	NNP
43297	137	23	Ball	Ball	NNP
43297	137	24	|Fireclay	|Fireclay	NNP
43297	137	25	|	|	NNP
43297	137	26	Brick	Brick	NNP
43297	137	27	|Boulder|	|boulder|	NN
43297	137	28	Marl	Marl	NNP
43297	137	29	|	|	HYPH
43297	137	30	|	|	NNP
43297	137	31	|	|	NNP
43297	137	32	Clay	Clay	NNP
43297	137	33	|	|	NNP
43297	137	34	Clay	Clay	NNP
43297	137	35	|	|	NNP
43297	137	36	|	|	NNP
43297	137	37	Clay	Clay	NNP
43297	137	38	|	|	NNP
43297	137	39	Clay	Clay	NNP
43297	137	40	|	|	NNP
43297	137	41	|	|	NNP
43297	137	42	+	+	CD
43297	137	43	-------------------+--------+-------+---------+--------+-------+-------+	-------------------+--------+-------+---------+--------+-------+-------+	NNP
43297	137	44	|	|	NNP
43297	137	45	Locality	Locality	NNP
43297	137	46	|Cornwall|	|cornwall|	NN
43297	137	47	Dorset|Yorkshire|Midlands|	dorset|yorkshire|midlands|	NN
43297	137	48	Lancs.|Suffolk|	lancs.|suffolk|	JJ
43297	137	49	+	+	SYM
43297	137	50	-------------------+--------+-------+---------+--------+-------+-------+	-------------------+--------+-------+---------+--------+-------+-------+	FW
43297	137	51	|Ultimate	|Ultimate	NNP
43297	137	52	Analysis	analysis	NN
43297	137	53	:	:	:
43297	137	54	|	|	NNP
43297	137	55	|	|	CD
43297	137	56	|	|	CD
43297	137	57	|	|	CD
43297	137	58	|	|	CD
43297	137	59	|	|	CD
43297	137	60	|	|	NNP
43297	137	61	|	|	NNP
43297	137	62	Silica	Silica	NNP
43297	137	63	|	|	NNP
43297	137	64	47·1	47·1	NNP
43297	137	65	|	|	CD
43297	137	66	49·1	49·1	CD
43297	137	67	|	|	NNP
43297	137	68	68·9	68·9	NNP
43297	137	69	|	|	NNP
43297	137	70	57·7	57·7	NNP
43297	137	71	|	|	NNP
43297	137	72	63·7	63·7	NNP
43297	137	73	|	|	NNP
43297	137	74	43·7	43·7	NNP
43297	137	75	|	|	NNP
43297	137	76	|	|	NNP
43297	137	77	Alumina	Alumina	NNP
43297	137	78	|	|	NNP
43297	137	79	39·1	39·1	NNP
43297	137	80	|	|	NNP
43297	137	81	33·7	33·7	NNP
43297	137	82	|	|	NNP
43297	137	83	19·3	19·3	NNP
43297	137	84	|	|	NNP
43297	137	85	24·3	24·3	CD
43297	137	86	|	|	NNP
43297	137	87	20·4	20·4	CD
43297	137	88	|	|	NNP
43297	137	89	15·5	15·5	NNP
43297	137	90	|	|	NNP
43297	137	91	|	|	NNP
43297	137	92	Ferric	Ferric	NNP
43297	137	93	oxide	oxide	NN
43297	137	94	|	|	CD
43297	137	95	·	·	NFP
43297	137	96	6	6	CD
43297	137	97	|	|	CD
43297	137	98	1·2	1·2	CD
43297	137	99	|	|	CD
43297	137	100	1·0	1·0	CD
43297	137	101	|	|	CD
43297	137	102	5·0	5·0	CD
43297	137	103	|	|	CD
43297	137	104	3·0	3·0	CD
43297	137	105	|	|	CD
43297	137	106	5·2	5·2	CD
43297	137	107	|	|	CD
43297	137	108	|	|	NNP
43297	137	109	Titanium	Titanium	NNP
43297	137	110	oxide	oxide	NN
43297	137	111	|	|	NNP
43297	137	112	--	--	:
43297	137	113	|	|	CD
43297	137	114	·	·	NFP
43297	137	115	2	2	CD
43297	137	116	|	|	CD
43297	137	117	1·8	1·8	CD
43297	137	118	|	|	CD
43297	137	119	·	·	NFP
43297	137	120	1	1	CD
43297	137	121	|	|	CD
43297	137	122	·	·	SYM
43297	137	123	2	2	CD
43297	137	124	|	|	CD
43297	137	125	--	--	:
43297	137	126	|	|	CD
43297	137	127	|	|	NNP
43297	137	128	Lime	Lime	NNP
43297	137	129	|	|	NNP
43297	137	130	·	·	NFP
43297	137	131	4	4	CD
43297	137	132	|	|	CD
43297	137	133	·	·	NFP
43297	137	134	8	8	CD
43297	137	135	|	|	CD
43297	137	136	·	·	NFP
43297	137	137	9	9	CD
43297	137	138	|	|	CD
43297	137	139	3·7	3·7	CD
43297	137	140	|	|	CD
43297	137	141	4·3	4·3	CD
43297	137	142	|	|	CD
43297	137	143	16·3	16·3	CD
43297	137	144	|	|	NNP
43297	137	145	|	|	NNP
43297	137	146	Magnesia	Magnesia	NNP
43297	137	147	|	|	NNP
43297	137	148	·	·	SYM
43297	137	149	2	2	CD
43297	137	150	|	|	CD
43297	137	151	·	·	NFP
43297	137	152	3	3	CD
43297	137	153	|	|	CD
43297	137	154	·	·	NFP
43297	137	155	3	3	CD
43297	137	156	|	|	CD
43297	137	157	2·5	2·5	CD
43297	137	158	|	|	CD
43297	137	159	2·7	2·7	CD
43297	137	160	|	|	CD
43297	137	161	2·1	2·1	CD
43297	137	162	|	|	CD
43297	137	163	|	|	CD
43297	137	164	Potash	Potash	NNP
43297	137	165	and	and	CC
43297	137	166	Soda	Soda	NNP
43297	137	167	|	|	NNP
43297	137	168	·	·	NFP
43297	137	169	3	3	CD
43297	137	170	|	|	CD
43297	137	171	2·5	2·5	CD
43297	137	172	|	|	CD
43297	137	173	·	·	NFP
43297	137	174	9	9	CD
43297	137	175	|	|	CD
43297	137	176	2·8	2·8	CD
43297	137	177	|	|	CD
43297	137	178	2·9	2·9	CD
43297	137	179	|	|	CD
43297	137	180	·	·	NFP
43297	137	181	7	7	CD
43297	137	182	|	|	CD
43297	137	183	|	|	NNP
43297	137	184	Carbon	Carbon	NNP
43297	137	185	|	|	NNP
43297	137	186	2·6	2·6	CD
43297	137	187	|	|	CD
43297	137	188	4·3	4·3	CD
43297	137	189	|	|	CD
43297	137	190	1·8	1·8	CD
43297	137	191	|	|	CD
43297	137	192	1·6	1·6	CD
43297	137	193	|	|	CD
43297	137	194	·	·	NFP
43297	137	195	4	4	CD
43297	137	196	|	|	CD
43297	137	197	1·6	1·6	CD
43297	137	198	|	|	CD
43297	137	199	|	|	NNP
43297	137	200	Water	Water	NNP
43297	137	201	|	|	NNP
43297	137	202	9·3	9·3	CD
43297	137	203	|	|	CD
43297	137	204	7·7	7·7	CD
43297	137	205	|	|	CD
43297	137	206	4·8	4·8	CD
43297	137	207	|	|	CD
43297	137	208	2·0	2·0	CD
43297	137	209	|	|	CD
43297	137	210	2·2	2·2	CD
43297	137	211	|	|	CD
43297	137	212	2·4	2·4	CD
43297	137	213	|	|	CD
43297	137	214	|	|	NNP
43297	137	215	Other	other	JJ
43297	137	216	Matter	Matter	NNP
43297	137	217	|	|	NNS
43297	137	218	·	·	NFP
43297	137	219	4	4	CD
43297	137	220	|	|	CD
43297	137	221	·	·	SYM
43297	137	222	2	2	CD
43297	137	223	|	|	CD
43297	137	224	·	·	NFP
43297	137	225	3	3	CD
43297	137	226	|	|	CD
43297	137	227	·	·	NFP
43297	137	228	3	3	CD
43297	137	229	|	|	CD
43297	137	230	·	·	SYM
43297	137	231	2	2	CD
43297	137	232	|	|	CD
43297	137	233	12·5	12·5	CD
43297	137	234	|	|	CD
43297	137	235	+	+	CC
43297	137	236	-------------------+--------+-------+---------+--------+-------+-------+	-------------------+--------+-------+---------+--------+-------+-------+	NNP
43297	137	237	|	|	NNP
43297	137	238	Total	total	JJ
43297	137	239	|	|	NNP
43297	137	240	100·0	100·0	CD
43297	137	241	|	|	CD
43297	137	242	100·0	100·0	CD
43297	137	243	|	|	CD
43297	137	244	100·0	100·0	CD
43297	137	245	|	|	CD
43297	137	246	100·0	100·0	CD
43297	137	247	|	|	CD
43297	137	248	100·0	100·0	CD
43297	137	249	|	|	CD
43297	137	250	100·0	100·0	CD
43297	137	251	|	|	CD
43297	137	252	+	+	CD
43297	137	253	-------------------+--------+-------+---------+--------+-------+-------+	-------------------+--------+-------+---------+--------+-------+-------+	NN
43297	137	254	|Proximate	|Proximate	NNP
43297	137	255	Analysis:|	Analysis:|	NNP
43297	137	256	|	|	NNP
43297	137	257	|	|	NNP
43297	137	258	|	|	CD
43297	137	259	|	|	CD
43297	137	260	|	|	CD
43297	137	261	|	|	CD
43297	137	262	|	|	NNP
43297	137	263	Gravel	Gravel	NNP
43297	137	264	and	and	CC
43297	137	265	Sand	Sand	NNP
43297	137	266	|	|	NNP
43297	137	267	--	--	:
43297	137	268	|	|	NNP
43297	137	269	8·4	8·4	CD
43297	137	270	|	|	CD
43297	137	271	4·6	4·6	CD
43297	137	272	|	|	CD
43297	137	273	22·1	22·1	CD
43297	137	274	|	|	CD
43297	137	275	23·1	23·1	CD
43297	137	276	|	|	CD
43297	137	277	9·2	9·2	CD
43297	137	278	|	|	CD
43297	137	279	|	|	NNP
43297	137	280	Silt	Silt	NNP
43297	137	281	|	|	NNP
43297	137	282	--	--	:
43297	137	283	|	|	CD
43297	137	284	4·8	4·8	CD
43297	137	285	|	|	CD
43297	137	286	9·0	9·0	CD
43297	137	287	|	|	CD
43297	137	288	3·1	3·1	CD
43297	137	289	|	|	CD
43297	137	290	8·4	8·4	CD
43297	137	291	|	|	CD
43297	137	292	16·0	16·0	NNP
43297	137	293	|	|	NNP
43297	137	294	|	|	NNS
43297	137	295	Felspar-	Felspar-	NNP
43297	137	296	and	and	CC
43297	137	297	mica-|	mica-|	NNP
43297	137	298	|	|	NNP
43297	137	299	|	|	NNP
43297	137	300	|	|	CD
43297	137	301	|	|	CD
43297	137	302	|	|	CD
43297	137	303	|	|	CD
43297	137	304	|	|	CD
43297	137	305	dust	dust	NN
43297	137	306	|	|	CD
43297	137	307	5·2	5·2	CD
43297	137	308	|	|	NNP
43297	137	309	15·4	15·4	NNP
43297	137	310	|	|	NNP
43297	137	311	10·3	10·3	NNP
43297	137	312	|	|	CD
43297	137	313	24·3	24·3	NNP
43297	137	314	|	|	CD
43297	137	315	18·5	18·5	CD
43297	137	316	|	|	CD
43297	137	317	8·9	8·9	CD
43297	137	318	|	|	CD
43297	137	319	|	|	NNP
43297	137	320	Silica	Silica	NNP
43297	137	321	-	-	HYPH
43297	137	322	dust	dust	NN
43297	137	323	|	|	CD
43297	137	324	3·1	3·1	CD
43297	137	325	|	|	CD
43297	137	326	4·0	4·0	CD
43297	137	327	|	|	CD
43297	137	328	38·0	38·0	CD
43297	137	329	|	|	CD
43297	137	330	3·1	3·1	CD
43297	137	331	|	|	CD
43297	137	332	12·6	12·6	CD
43297	137	333	|	|	CD
43297	137	334	2·0	2·0	CD
43297	137	335	|	|	CD
43297	137	336	|	|	CD
43297	137	337	Free	free	JJ
43297	137	338	calcium	calcium	NN
43297	137	339	|	|	CD
43297	137	340	|	|	NNP
43297	137	341	|	|	CD
43297	137	342	|	|	CD
43297	137	343	|	|	CD
43297	137	344	|	|	CD
43297	137	345	|	|	CD
43297	137	346	|	|	CD
43297	137	347	carbonate	carbonate	NN
43297	137	348	|	|	CD
43297	137	349	--	--	:
43297	137	350	|	|	JJ
43297	137	351	--	--	:
43297	137	352	|	|	NNP
43297	137	353	--	--	:
43297	137	354	|	|	CD
43297	137	355	2·1	2·1	CD
43297	137	356	|	|	NNS
43297	137	357	·	·	NFP
43297	137	358	2	2	CD
43297	137	359	|	|	CD
43297	137	360	28·4	28·4	CD
43297	137	361	|	|	CD
43297	137	362	|	|	CD
43297	137	363	Free	Free	NNP
43297	137	364	iron	iron	NN
43297	137	365	oxide	oxide	NN
43297	137	366	|	|	CD
43297	137	367	|	|	CD
43297	137	368	|	|	CD
43297	137	369	|	|	CD
43297	137	370	|	|	CD
43297	137	371	|	|	CD
43297	137	372	|	|	CD
43297	137	373	|	|	NNS
43297	137	374	and	and	CC
43297	137	375	pyrites	pyrite	VBZ
43297	137	376	|	|	CD
43297	137	377	·	·	SYM
43297	137	378	4	4	CD
43297	137	379	|	|	CD
43297	137	380	·	·	NFP
43297	137	381	9	9	CD
43297	137	382	|	|	CD
43297	137	383	·	·	NFP
43297	137	384	7	7	CD
43297	137	385	|	|	CD
43297	137	386	4·2	4·2	CD
43297	137	387	|	|	CD
43297	137	388	1·6	1·6	CD
43297	137	389	|	|	CD
43297	137	390	3·9	3·9	CD
43297	137	391	|	|	CD
43297	137	392	|	|	NNS
43297	137	393	'	'	POS
43297	137	394	True	true	JJ
43297	137	395	clay	clay	NN
43297	137	396	'	'	''
43297	137	397	|	|	NNP
43297	137	398	91·3	91·3	CD
43297	137	399	|	|	NNP
43297	137	400	66·5	66·5	CD
43297	137	401	|	|	NNP
43297	137	402	37·4	37·4	NNP
43297	137	403	|	|	CD
43297	137	404	41·1	41·1	CD
43297	137	405	|	|	NNP
43297	137	406	35·6	35·6	NNP
43297	137	407	|	|	NNP
43297	137	408	31·6	31·6	NNP
43297	137	409	|	|	CD
43297	137	410	+	+	CC
43297	137	411	-------------------+--------+-------+---------+--------+-------+-------+	-------------------+--------+-------+---------+--------+-------+-------+	NNP
43297	137	412	|	|	NNP
43297	137	413	Total	total	JJ
43297	137	414	|	|	NNP
43297	137	415	100·0	100·0	CD
43297	137	416	|	|	CD
43297	137	417	100·0	100·0	CD
43297	137	418	|	|	CD
43297	137	419	100·0	100·0	CD
43297	137	420	|	|	CD
43297	137	421	100·0	100·0	CD
43297	137	422	|	|	CD
43297	137	423	100·0	100·0	CD
43297	137	424	|	|	CD
43297	137	425	100·0	100·0	CD
43297	137	426	|	|	CD
43297	137	427	+	+	SYM
43297	137	428	-------------------+--------+-------+---------+--------+-------+-------+	-------------------+--------+-------+---------+--------+-------+-------+	.
43297	137	429	For	for	IN
43297	137	430	other	other	JJ
43297	137	431	analyses	analyse	VBZ
43297	137	432	the	the	DT
43297	137	433	books	book	NNS
43297	137	434	in	in	IN
43297	137	435	the	the	DT
43297	137	436	Bibliography	Bibliography	NNP
43297	137	437	at	at	IN
43297	137	438	the	the	DT
43297	137	439	end	end	NN
43297	137	440	of	of	IN
43297	137	441	the	the	DT
43297	137	442	present	present	JJ
43297	137	443	volume	volume	NN
43297	137	444	should	should	MD
43297	137	445	be	be	VB
43297	137	446	consulted	consult	VBN
43297	137	447	,	,	,
43297	137	448	particularly	particularly	RB
43297	137	449	No	no	UH
43297	137	450	.	.	.
43297	138	1	2	2	LS
43297	138	2	,	,	,
43297	138	3	_	_	NNP
43297	138	4	i.e.	i.e.	FW
43297	138	5	_	_	NNP
43297	138	6	_	_	NNP
43297	138	7	British	British	NNP
43297	138	8	Clays	Clays	NNP
43297	138	9	,	,	,
43297	138	10	Shales	Shales	NNP
43297	138	11	and	and	CC
43297	138	12	Sands	Sands	NNPS
43297	138	13	_	_	NNP
43297	138	14	.	.	.
43297	139	1	The	the	DT
43297	139	2	amount	amount	NN
43297	139	3	of	of	IN
43297	139	4	mechanically	mechanically	RB
43297	139	5	mixed	mix	VBN
43297	139	6	water	water	NN
43297	139	7	will	will	MD
43297	139	8	naturally	naturally	RB
43297	139	9	vary	vary	VB
43297	139	10	with	with	IN
43297	139	11	the	the	DT
43297	139	12	conditions	condition	NNS
43297	139	13	to	to	TO
43297	139	14	which	which	WDT
43297	139	15	the	the	DT
43297	139	16	clay	clay	NN
43297	139	17	has	have	VBZ
43297	139	18	been	be	VBN
43297	139	19	subjected	subject	VBN
43297	139	20	;	;	:
43297	139	21	it	-PRON-	PRP
43297	139	22	will	will	MD
43297	139	23	be	be	VB
43297	139	24	greatest	great	JJS
43297	139	25	in	in	IN
43297	139	26	wet	wet	JJ
43297	139	27	situations	situation	NNS
43297	139	28	and	and	CC
43297	139	29	will	will	MD
43297	139	30	diminish	diminish	VB
43297	139	31	as	as	IN
43297	139	32	the	the	DT
43297	139	33	clay	clay	NN
43297	139	34	is	be	VBZ
43297	139	35	allowed	allow	VBN
43297	139	36	to	to	TO
43297	139	37	dry	dry	VB
43297	139	38	.	.	.
43297	140	1	The	the	DT
43297	140	2	'	'	``
43297	140	3	combined	combine	VBN
43297	140	4	water	water	NN
43297	140	5	,	,	,
43297	140	6	'	'	''
43297	140	7	on	on	IN
43297	140	8	the	the	DT
43297	140	9	contrary	contrary	NN
43297	140	10	,	,	,
43297	140	11	appears	appear	VBZ
43297	140	12	to	to	TO
43297	140	13	be	be	VB
43297	140	14	a	a	DT
43297	140	15	function	function	NN
43297	140	16	of	of	IN
43297	140	17	the	the	DT
43297	140	18	true	true	JJ
43297	140	19	clay	clay	NN
43297	140	20	present	present	NN
43297	140	21	in	in	IN
43297	140	22	the	the	DT
43297	140	23	material	material	NN
43297	140	24	,	,	,
43297	140	25	and	and	CC
43297	140	26	reaches	reach	VBZ
43297	140	27	its	-PRON-	PRP$
43297	140	28	highest	high	JJS
43297	140	29	proportions	proportion	NNS
43297	140	30	in	in	IN
43297	140	31	the	the	DT
43297	140	32	china	china	NNP
43297	140	33	clays	clay	NNS
43297	140	34	and	and	CC
43297	140	35	kaolins	kaolins	NNP
43297	140	36	,	,	,
43297	140	37	which	which	WDT
43297	140	38	contain	contain	VBP
43297	140	39	approximately	approximately	RB
43297	140	40	13	13	CD
43297	140	41	per	per	NN
43297	140	42	cent	cent	NN
43297	140	43	.	.	.
43297	141	1	On	on	IN
43297	141	2	heating	heat	VBG
43297	141	3	a	a	DT
43297	141	4	clay	clay	NN
43297	141	5	to	to	IN
43297	141	6	105	105	CD
43297	141	7	°	°	NNS
43297	141	8	C.	C.	NNP
43297	141	9	the	the	DT
43297	141	10	moisture	moisture	NN
43297	141	11	or	or	CC
43297	141	12	mechanically	mechanically	RB
43297	141	13	mixed	mixed	JJ
43297	141	14	water	water	NN
43297	141	15	is	be	VBZ
43297	141	16	evaporated	evaporate	VBN
43297	141	17	,	,	,
43297	141	18	but	but	CC
43297	141	19	the	the	DT
43297	141	20	combined	combined	JJ
43297	141	21	water	water	NN
43297	141	22	remains	remain	VBZ
43297	141	23	unaffected[4	unaffected[4	NNP
43297	141	24	]	]	-RRB-
43297	141	25	until	until	IN
43297	141	26	the	the	DT
43297	141	27	temperature	temperature	NN
43297	141	28	is	be	VBZ
43297	141	29	raised	raise	VBN
43297	141	30	to	to	IN
43297	141	31	more	more	JJR
43297	141	32	than	than	IN
43297	141	33	600	600	CD
43297	141	34	°	°	NNS
43297	141	35	C.	C.	NNP
43297	141	36	,	,	,
43297	141	37	when	when	WRB
43297	141	38	it	-PRON-	PRP
43297	141	39	is	be	VBZ
43297	141	40	driven	drive	VBN
43297	141	41	off	off	RP
43297	141	42	and	and	CC
43297	141	43	the	the	DT
43297	141	44	clay	clay	NN
43297	141	45	is	be	VBZ
43297	141	46	converted	convert	VBN
43297	141	47	into	into	IN
43297	141	48	a	a	DT
43297	141	49	hard	hard	JJ
43297	141	50	stone	stone	NN
43297	141	51	-	-	HYPH
43297	141	52	like	like	JJ
43297	141	53	mass	mass	NN
43297	141	54	with	with	IN
43297	141	55	properties	property	NNS
43297	141	56	entirely	entirely	RB
43297	141	57	different	different	JJ
43297	141	58	from	from	IN
43297	141	59	those	those	DT
43297	141	60	it	-PRON-	PRP
43297	141	61	previously	previously	RB
43297	141	62	possessed	possess	VBD
43297	141	63	(	(	-LRB-
43297	141	64	see	see	VB
43297	141	65	Chapter	Chapter	NNP
43297	141	66	VI	VI	NNP
43297	141	67	)	)	-RRB-
43297	141	68	.	.	.
43297	142	1	[	[	-LRB-
43297	142	2	Footnote	footnote	NN
43297	142	3	4	4	CD
43297	142	4	:	:	:
43297	142	5	Strictly	strictly	RB
43297	142	6	,	,	,
43297	142	7	there	there	EX
43297	142	8	is	be	VBZ
43297	142	9	a	a	DT
43297	142	10	slight	slight	JJ
43297	142	11	loss	loss	NN
43297	142	12	at	at	IN
43297	142	13	lower	low	JJR
43297	142	14	temperatures	temperature	NNS
43297	142	15	,	,	,
43297	142	16	but	but	CC
43297	142	17	it	-PRON-	PRP
43297	142	18	is	be	VBZ
43297	142	19	too	too	RB
43297	142	20	small	small	JJ
43297	142	21	to	to	TO
43297	142	22	be	be	VB
43297	142	23	important	important	JJ
43297	142	24	.	.	.
43297	142	25	]	]	-RRB-
43297	143	1	The	the	DT
43297	143	2	Physical	physical	JJ
43297	143	3	Characters	Characters	NNPS
43297	143	4	of	of	IN
43297	143	5	Clays	clay	NNS
43297	143	6	.	.	.
43297	144	1	The	the	DT
43297	144	2	physical	physical	JJ
43297	144	3	characters	character	NNS
43297	144	4	of	of	IN
43297	144	5	clays	clay	NNS
43297	144	6	are	be	VBP
43297	144	7	of	of	IN
43297	144	8	far	far	RB
43297	144	9	more	more	JJR
43297	144	10	interest	interest	NN
43297	144	11	and	and	CC
43297	144	12	importance	importance	NN
43297	144	13	than	than	IN
43297	144	14	their	-PRON-	PRP$
43297	144	15	chemical	chemical	JJ
43297	144	16	ones	one	NNS
43297	144	17	,	,	,
43297	144	18	though	though	IN
43297	144	19	the	the	DT
43297	144	20	two	two	CD
43297	144	21	are	be	VBP
43297	144	22	naturally	naturally	RB
43297	144	23	connected	connect	VBN
43297	144	24	in	in	IN
43297	144	25	many	many	JJ
43297	144	26	ways	way	NNS
43297	144	27	,	,	,
43297	144	28	and	and	CC
43297	144	29	just	just	RB
43297	144	30	as	as	IN
43297	144	31	the	the	DT
43297	144	32	chemical	chemical	JJ
43297	144	33	composition	composition	NN
43297	144	34	of	of	IN
43297	144	35	clays	clay	NNS
43297	144	36	is	be	VBZ
43297	144	37	a	a	DT
43297	144	38	subject	subject	NN
43297	144	39	of	of	IN
43297	144	40	extreme	extreme	JJ
43297	144	41	complexity	complexity	NN
43297	144	42	so	so	RB
43297	144	43	is	be	VBZ
43297	144	44	a	a	DT
43297	144	45	study	study	NN
43297	144	46	of	of	IN
43297	144	47	many	many	JJ
43297	144	48	of	of	IN
43297	144	49	their	-PRON-	PRP$
43297	144	50	physical	physical	JJ
43297	144	51	properties	property	NNS
43297	144	52	.	.	.
43297	145	1	Hence	hence	RB
43297	145	2	only	only	RB
43297	145	3	a	a	DT
43297	145	4	few	few	JJ
43297	145	5	of	of	IN
43297	145	6	the	the	DT
43297	145	7	more	more	RBR
43297	145	8	important	important	JJ
43297	145	9	characteristics	characteristic	NNS
43297	145	10	can	can	MD
43297	145	11	be	be	VB
43297	145	12	mentioned	mention	VBN
43297	145	13	here	here	RB
43297	145	14	:	:	:
43297	145	15	for	for	IN
43297	145	16	further	further	JJ
43297	145	17	details	detail	NNS
43297	145	18	the	the	DT
43297	145	19	reader	reader	NN
43297	145	20	must	must	MD
43297	145	21	consult	consult	VB
43297	145	22	a	a	DT
43297	145	23	larger	large	JJR
43297	145	24	treatise	treatise	NN
43297	145	25	(	(	-LRB-
43297	145	26	2	2	CD
43297	145	27	)	)	-RRB-
43297	145	28	.	.	.
43297	146	1	Clays	clay	NNS
43297	146	2	are	be	VBP
43297	146	3	moderately	moderately	RB
43297	146	4	soft	soft	JJ
43297	146	5	,	,	,
43297	146	6	solid	solid	JJ
43297	146	7	bodies	body	NNS
43297	146	8	,	,	,
43297	146	9	particularly	particularly	RB
43297	146	10	when	when	WRB
43297	146	11	moistened	moisten	VBN
43297	146	12	,	,	,
43297	146	13	and	and	CC
43297	146	14	can	can	MD
43297	146	15	usually	usually	RB
43297	146	16	be	be	VB
43297	146	17	cut	cut	VBN
43297	146	18	with	with	IN
43297	146	19	a	a	DT
43297	146	20	knife	knife	NN
43297	146	21	,	,	,
43297	146	22	though	though	IN
43297	146	23	some	some	DT
43297	146	24	indurated	indurated	JJ
43297	146	25	clays	clay	NNS
43297	146	26	and	and	CC
43297	146	27	shales	shale	NNS
43297	146	28	are	be	VBP
43297	146	29	almost	almost	RB
43297	146	30	as	as	RB
43297	146	31	hard	hard	JJ
43297	146	32	as	as	IN
43297	146	33	felspar	felspar	NNS
43297	146	34	.	.	.
43297	147	1	Their	-PRON-	PRP$
43297	147	2	apparent	apparent	JJ
43297	147	3	specific	specific	JJ
43297	147	4	gravity	gravity	NN
43297	147	5	varies	vary	VBZ
43297	147	6	greatly	greatly	RB
43297	147	7	,	,	,
43297	147	8	some	some	DT
43297	147	9	clays	clay	NNS
43297	147	10	being	be	VBG
43297	147	11	much	much	RB
43297	147	12	more	more	RBR
43297	147	13	porous	porous	JJ
43297	147	14	than	than	IN
43297	147	15	others	other	NNS
43297	147	16	,	,	,
43297	147	17	but	but	CC
43297	147	18	the	the	DT
43297	147	19	true	true	JJ
43297	147	20	specific	specific	JJ
43297	147	21	gravity	gravity	NN
43297	147	22	is	be	VBZ
43297	147	23	usually	usually	RB
43297	147	24	between	between	IN
43297	147	25	2·5	2·5	CD
43297	147	26	and	and	CC
43297	147	27	2·65	2·65	CD
43297	147	28	;	;	:
43297	147	29	it	-PRON-	PRP
43297	147	30	is	be	VBZ
43297	147	31	similar	similar	JJ
43297	147	32	to	to	IN
43297	147	33	that	that	DT
43297	147	34	of	of	IN
43297	147	35	quartz	quartz	NN
43297	147	36	and	and	CC
43297	147	37	slightly	slightly	RB
43297	147	38	lower	low	JJR
43297	147	39	than	than	IN
43297	147	40	that	that	DT
43297	147	41	of	of	IN
43297	147	42	felspar	felspar	NNP
43297	147	43	and	and	CC
43297	147	44	mica	mica	NNP
43297	147	45	.	.	.
43297	148	1	Many	many	JJ
43297	148	2	clays	clay	NNS
43297	148	3	appear	appear	VBP
43297	148	4	to	to	TO
43297	148	5	be	be	VB
43297	148	6	devoid	devoid	JJ
43297	148	7	of	of	IN
43297	148	8	structure	structure	NN
43297	148	9	,	,	,
43297	148	10	but	but	CC
43297	148	11	those	those	DT
43297	148	12	obtained	obtain	VBN
43297	148	13	from	from	IN
43297	148	14	a	a	DT
43297	148	15	considerable	considerable	JJ
43297	148	16	depth	depth	NN
43297	148	17	below	below	IN
43297	148	18	the	the	DT
43297	148	19	surface	surface	NN
43297	148	20	are	be	VBP
43297	148	21	frequently	frequently	RB
43297	148	22	laminated	laminate	VBN
43297	148	23	and	and	CC
43297	148	24	have	have	VB
43297	148	25	a	a	DT
43297	148	26	structure	structure	NN
43297	148	27	not	not	RB
43297	148	28	unlike	unlike	IN
43297	148	29	that	that	DT
43297	148	30	of	of	IN
43297	148	31	mica	mica	NNP
43297	148	32	.	.	.
43297	149	1	This	this	DT
43297	149	2	will	will	MD
43297	149	3	be	be	VB
43297	149	4	discussed	discuss	VBN
43297	149	5	later	later	RB
43297	149	6	.	.	.
43297	150	1	Examined	examine	VBN
43297	150	2	under	under	IN
43297	150	3	a	a	DT
43297	150	4	microscope	microscope	NN
43297	150	5	,	,	,
43297	150	6	clays	clay	NNS
43297	150	7	are	be	VBP
43297	150	8	seen	see	VBN
43297	150	9	to	to	TO
43297	150	10	consist	consist	VB
43297	150	11	of	of	IN
43297	150	12	grains	grain	NNS
43297	150	13	of	of	IN
43297	150	14	a	a	DT
43297	150	15	variety	variety	NN
43297	150	16	of	of	IN
43297	150	17	sizes	size	NNS
43297	150	18	,	,	,
43297	150	19	the	the	DT
43297	150	20	largest	large	JJS
43297	150	21	of	of	IN
43297	150	22	which	which	WDT
43297	150	23	will	will	MD
43297	150	24	usually	usually	RB
43297	150	25	be	be	VB
43297	150	26	found	find	VBN
43297	150	27	to	to	TO
43297	150	28	be	be	VB
43297	150	29	composed	compose	VBN
43297	150	30	of	of	IN
43297	150	31	adventitious	adventitious	JJ
43297	150	32	materials	material	NNS
43297	150	33	such	such	JJ
43297	150	34	as	as	IN
43297	150	35	sand	sand	NN
43297	150	36	,	,	,
43297	150	37	quartz	quartz	NNP
43297	150	38	,	,	,
43297	150	39	felspar	felspar	NNP
43297	150	40	,	,	,
43297	150	41	mica	mica	NNP
43297	150	42	,	,	,
43297	150	43	chalk	chalk	NNP
43297	150	44	and	and	CC
43297	150	45	limestone	limestone	NN
43297	150	46	.	.	.
43297	151	1	The	the	DT
43297	151	2	smallest	small	JJS
43297	151	3	particles	particle	NNS
43297	151	4	--	--	:
43297	151	5	to	to	TO
43297	151	6	which	which	WDT
43297	151	7	clays	clay	NNS
43297	151	8	owe	owe	VBP
43297	151	9	their	-PRON-	PRP$
43297	151	10	chief	chief	JJ
43297	151	11	characteristics	characteristic	NNS
43297	151	12	--	--	:
43297	151	13	are	be	VBP
43297	151	14	so	so	RB
43297	151	15	minute	minute	JJ
43297	151	16	as	as	IN
43297	151	17	to	to	TO
43297	151	18	make	make	VB
43297	151	19	any	any	DT
43297	151	20	examination	examination	NN
43297	151	21	of	of	IN
43297	151	22	their	-PRON-	PRP$
43297	151	23	shape	shape	NN
43297	151	24	very	very	RB
43297	151	25	difficult	difficult	JJ
43297	151	26	,	,	,
43297	151	27	but	but	CC
43297	151	28	they	-PRON-	PRP
43297	151	29	are	be	VBP
43297	151	30	usually	usually	RB
43297	151	31	composed	compose	VBN
43297	151	32	of	of	IN
43297	151	33	minute	minute	JJ
43297	151	34	crystalline	crystalline	NN
43297	151	35	plates	plate	NNS
43297	151	36	together	together	RB
43297	151	37	with	with	IN
43297	151	38	a	a	DT
43297	151	39	much	much	RB
43297	151	40	larger	large	JJR
43297	151	41	proportion	proportion	NN
43297	151	42	of	of	IN
43297	151	43	apparently	apparently	RB
43297	151	44	amorphous	amorphous	JJ
43297	151	45	material	material	NN
43297	151	46	.	.	.
43297	152	1	The	the	DT
43297	152	2	exact	exact	JJ
43297	152	3	nature	nature	NN
43297	152	4	of	of	IN
43297	152	5	both	both	PDT
43297	152	6	the	the	DT
43297	152	7	crystals	crystal	NNS
43297	152	8	and	and	CC
43297	152	9	the	the	DT
43297	152	10	amorphous	amorphous	JJ
43297	152	11	material	material	NN
43297	152	12	is	be	VBZ
43297	152	13	still	still	RB
43297	152	14	unknown	unknown	JJ
43297	152	15	in	in	IN
43297	152	16	spite	spite	NN
43297	152	17	of	of	IN
43297	152	18	many	many	JJ
43297	152	19	investigations	investigation	NNS
43297	152	20	;	;	:
43297	152	21	in	in	IN
43297	152	22	the	the	DT
43297	152	23	purer	purer	NN
43297	152	24	clays	clay	NNS
43297	152	25	both	both	DT
43297	152	26	forms	form	NNS
43297	152	27	of	of	IN
43297	152	28	substance	substance	NN
43297	152	29	appear	appear	VBP
43297	152	30	to	to	TO
43297	152	31	have	have	VB
43297	152	32	the	the	DT
43297	152	33	same	same	JJ
43297	152	34	chemical	chemical	JJ
43297	152	35	composition	composition	NN
43297	152	36	,	,	,
43297	152	37	viz	viz	NN
43297	152	38	.	.	.
43297	153	1	that	that	DT
43297	153	2	of	of	IN
43297	153	3	_	_	NNP
43297	153	4	kaolinite	kaolinite	NNP
43297	153	5	_	_	NNP
43297	153	6	(	(	-LRB-
43297	153	7	H4Al2Si2O9	H4Al2Si2O9	NNP
43297	153	8	)	)	-RRB-
43297	153	9	,	,	,
43297	153	10	which	which	WDT
43297	153	11	the	the	DT
43297	153	12	crystalline	crystalline	NN
43297	153	13	portion	portion	NN
43297	153	14	closely	closely	RB
43297	153	15	resembles	resemble	VBZ
43297	153	16	.	.	.
43297	154	1	Clays	clay	NNS
43297	154	2	emit	emit	VBP
43297	154	3	a	a	DT
43297	154	4	characteristic	characteristic	JJ
43297	154	5	yet	yet	CC
43297	154	6	indefinable	indefinable	JJ
43297	154	7	odour	odour	NN
43297	154	8	when	when	WRB
43297	154	9	moist	moist	NN
43297	154	10	;	;	:
43297	154	11	the	the	DT
43297	154	12	cause	cause	NN
43297	154	13	of	of	IN
43297	154	14	this	this	DT
43297	154	15	is	be	VBZ
43297	154	16	very	very	RB
43297	154	17	imperfectly	imperfectly	RB
43297	154	18	understood	understand	VBN
43297	154	19	,	,	,
43297	154	20	though	though	IN
43297	154	21	it	-PRON-	PRP
43297	154	22	is	be	VBZ
43297	154	23	not	not	RB
43297	154	24	improbably	improbably	RB
43297	154	25	due	due	JJ
43297	154	26	to	to	IN
43297	154	27	decomposing	decompose	VBG
43297	154	28	organic	organic	JJ
43297	154	29	matter	matter	NN
43297	154	30	,	,	,
43297	154	31	as	as	IN
43297	154	32	this	this	DT
43297	154	33	occurs	occur	VBZ
43297	154	34	in	in	IN
43297	154	35	most	most	JJS
43297	154	36	clays	clay	NNS
43297	154	37	.	.	.
43297	155	1	The	the	DT
43297	155	2	colours	colour	NNS
43297	155	3	of	of	IN
43297	155	4	freshly	freshly	RB
43297	155	5	-	-	HYPH
43297	155	6	dug	dig	VBN
43297	155	7	clays	clay	NNS
43297	155	8	are	be	VBP
43297	155	9	extremely	extremely	RB
43297	155	10	varied	varied	JJ
43297	155	11	and	and	CC
43297	155	12	range	range	VB
43297	155	13	from	from	IN
43297	155	14	an	an	DT
43297	155	15	almost	almost	RB
43297	155	16	pure	pure	JJ
43297	155	17	white	white	NN
43297	155	18	through	through	IN
43297	155	19	all	all	DT
43297	155	20	shades	shade	NNS
43297	155	21	of	of	IN
43297	155	22	yellow	yellow	NN
43297	155	23	,	,	,
43297	155	24	red	red	JJ
43297	155	25	and	and	CC
43297	155	26	brown	brown	JJ
43297	155	27	to	to	IN
43297	155	28	black	black	NN
43297	155	29	.	.	.
43297	156	1	The	the	DT
43297	156	2	predominating	predominate	VBG
43297	156	3	colours	colour	NNS
43297	156	4	are	be	VBP
43297	156	5	grey	grey	JJ
43297	156	6	or	or	CC
43297	156	7	greyish	greyish	NNP
43297	156	8	brown	brown	NNP
43297	156	9	and	and	CC
43297	156	10	a	a	DT
43297	156	11	peculiar	peculiar	JJ
43297	156	12	yellow	yellow	JJ
43297	156	13	characteristic	characteristic	NN
43297	156	14	of	of	IN
43297	156	15	some	some	DT
43297	156	16	surface	surface	NN
43297	156	17	clays	clay	NNS
43297	156	18	.	.	.
43297	157	1	The	the	DT
43297	157	2	natural	natural	JJ
43297	157	3	colour	colour	NN
43297	157	4	of	of	IN
43297	157	5	a	a	DT
43297	157	6	clay	clay	NN
43297	157	7	is	be	VBZ
43297	157	8	no	no	DT
43297	157	9	criterion	criterion	NN
43297	157	10	as	as	IN
43297	157	11	to	to	IN
43297	157	12	its	-PRON-	PRP$
43297	157	13	purity	purity	NN
43297	157	14	,	,	,
43297	157	15	for	for	IN
43297	157	16	some	some	DT
43297	157	17	of	of	IN
43297	157	18	the	the	DT
43297	157	19	darkest	dark	JJS
43297	157	20	ball	ball	NN
43297	157	21	clays	clay	NNS
43297	157	22	produce	produce	VBP
43297	157	23	perfectly	perfectly	RB
43297	157	24	white	white	JJ
43297	157	25	ware	ware	NN
43297	157	26	on	on	IN
43297	157	27	burning	burning	NN
43297	157	28	,	,	,
43297	157	29	whilst	whilst	IN
43297	157	30	some	some	DT
43297	157	31	of	of	IN
43297	157	32	the	the	DT
43297	157	33	paler	paler	NN
43297	157	34	clays	clay	NNS
43297	157	35	are	be	VBP
43297	157	36	useless	useless	JJ
43297	157	37	to	to	IN
43297	157	38	the	the	DT
43297	157	39	potter	potter	NN
43297	157	40	on	on	IN
43297	157	41	account	account	NN
43297	157	42	of	of	IN
43297	157	43	the	the	DT
43297	157	44	intensity	intensity	NN
43297	157	45	of	of	IN
43297	157	46	their	-PRON-	PRP$
43297	157	47	colour	colour	NN
43297	157	48	when	when	WRB
43297	157	49	they	-PRON-	PRP
43297	157	50	come	come	VBP
43297	157	51	out	out	IN
43297	157	52	of	of	IN
43297	157	53	the	the	DT
43297	157	54	kiln	kiln	NN
43297	157	55	.	.	.
43297	158	1	The	the	DT
43297	158	2	colour	colour	NN
43297	158	3	of	of	IN
43297	158	4	raw	raw	JJ
43297	158	5	clays	clay	NNS
43297	158	6	is	be	VBZ
43297	158	7	largely	largely	RB
43297	158	8	due	due	JJ
43297	158	9	to	to	IN
43297	158	10	the	the	DT
43297	158	11	carbonaceous	carbonaceous	JJ
43297	158	12	matter	matter	NN
43297	158	13	they	-PRON-	PRP
43297	158	14	contain	contain	VBP
43297	158	15	,	,	,
43297	158	16	and	and	CC
43297	158	17	as	as	IN
43297	158	18	this	this	DT
43297	158	19	burns	burn	VBZ
43297	158	20	away	away	RB
43297	158	21	in	in	IN
43297	158	22	the	the	DT
43297	158	23	kiln	kiln	NN
43297	158	24	,	,	,
43297	158	25	the	the	DT
43297	158	26	final	final	JJ
43297	158	27	colour	colour	NN
43297	158	28	of	of	IN
43297	158	29	the	the	DT
43297	158	30	ware	ware	NN
43297	158	31	bears	bear	NNS
43297	158	32	no	no	DT
43297	158	33	relation	relation	NN
43297	158	34	whatever	whatever	WDT
43297	158	35	to	to	IN
43297	158	36	that	that	DT
43297	158	37	of	of	IN
43297	158	38	the	the	DT
43297	158	39	original	original	JJ
43297	158	40	clay	clay	NN
43297	158	41	.	.	.
43297	159	1	The	the	DT
43297	159	2	colour	colour	NN
43297	159	3	of	of	IN
43297	159	4	burned	burn	VBN
43297	159	5	ware	ware	NN
43297	159	6	depends	depend	VBZ
43297	159	7	upon	upon	IN
43297	159	8	the	the	DT
43297	159	9	iron	iron	NN
43297	159	10	compounds	compound	NNS
43297	159	11	in	in	IN
43297	159	12	the	the	DT
43297	159	13	clay	clay	NN
43297	159	14	--	--	:
43297	159	15	these	these	DT
43297	159	16	producing	produce	VBG
43297	159	17	buff	buff	NN
43297	159	18	,	,	,
43297	159	19	red	red	JJ
43297	159	20	,	,	,
43297	159	21	brown	brown	JJ
43297	159	22	or	or	CC
43297	159	23	black	black	JJ
43297	159	24	(	(	-LRB-
43297	159	25	usually	usually	RB
43297	159	26	termed	term	VBN
43297	159	27	'	'	``
43297	159	28	blue	blue	JJ
43297	159	29	'	'	''
43297	159	30	)	)	-RRB-
43297	159	31	articles	article	NNS
43297	159	32	--	--	:
43297	159	33	on	on	IN
43297	159	34	the	the	DT
43297	159	35	presence	presence	NN
43297	159	36	of	of	IN
43297	159	37	finely	finely	RB
43297	159	38	divided	divide	VBN
43297	159	39	calcium	calcium	NN
43297	159	40	carbonate	carbonate	NN
43297	159	41	(	(	-LRB-
43297	159	42	chalk	chalk	NN
43297	159	43	)	)	-RRB-
43297	159	44	which	which	WDT
43297	159	45	can	can	MD
43297	159	46	destroy	destroy	VB
43297	159	47	the	the	DT
43297	159	48	colouring	colour	VBG
43297	159	49	power	power	NN
43297	159	50	of	of	IN
43297	159	51	iron	iron	NN
43297	159	52	compounds	compound	NNS
43297	159	53	and	and	CC
43297	159	54	produce	produce	VB
43297	159	55	white	white	JJ
43297	159	56	ware	ware	NN
43297	159	57	,	,	,
43297	159	58	and	and	CC
43297	159	59	on	on	IN
43297	159	60	the	the	DT
43297	159	61	treatment	treatment	NN
43297	159	62	the	the	DT
43297	159	63	clay	clay	NN
43297	159	64	has	have	VBZ
43297	159	65	received	receive	VBN
43297	159	66	in	in	IN
43297	159	67	the	the	DT
43297	159	68	kiln	kiln	NN
43297	159	69	.	.	.
43297	160	1	A	a	DT
43297	160	2	clay	clay	NN
43297	160	3	which	which	WDT
43297	160	4	is	be	VBZ
43297	160	5	white	white	JJ
43297	160	6	when	when	WRB
43297	160	7	underfired	underfired	JJ
43297	160	8	will	will	MD
43297	160	9	usually	usually	RB
43297	160	10	darken	darken	VBN
43297	160	11	in	in	IN
43297	160	12	colour	colour	NN
43297	160	13	if	if	IN
43297	160	14	heated	heat	VBN
43297	160	15	to	to	IN
43297	160	16	vitrification	vitrification	NN
43297	160	17	,	,	,
43297	160	18	and	and	CC
43297	160	19	one	one	CD
43297	160	20	which	which	WDT
43297	160	21	burns	burn	VBZ
43297	160	22	red	red	JJ
43297	160	23	in	in	IN
43297	160	24	an	an	DT
43297	160	25	oxidizing	oxidizing	JJ
43297	160	26	atmosphere	atmosphere	NN
43297	160	27	may	may	MD
43297	160	28	turn	turn	VB
43297	160	29	blue	blue	JJ
43297	160	30	-	-	HYPH
43297	160	31	grey	grey	JJ
43297	160	32	or	or	CC
43297	160	33	black	black	JJ
43297	160	34	under	under	IN
43297	160	35	reducing	reduce	VBG
43297	160	36	conditions	condition	NNS
43297	160	37	.	.	.
43297	161	1	The	the	DT
43297	161	2	extent	extent	NN
43297	161	3	to	to	TO
43297	161	4	which	which	WDT
43297	161	5	the	the	DT
43297	161	6	carbonaceous	carbonaceous	JJ
43297	161	7	matter	matter	NN
43297	161	8	is	be	VBZ
43297	161	9	burned	burn	VBN
43297	161	10	out	out	RP
43297	161	11	also	also	RB
43297	161	12	determines	determine	VBZ
43297	161	13	the	the	DT
43297	161	14	colour	colour	NN
43297	161	15	of	of	IN
43297	161	16	the	the	DT
43297	161	17	fired	fire	VBN
43297	161	18	ware	ware	NN
43297	161	19	.	.	.
43297	162	1	The	the	DT
43297	162	2	presence	presence	NN
43297	162	3	of	of	IN
43297	162	4	adventitious	adventitious	JJ
43297	162	5	minerals	mineral	NNS
43297	162	6	in	in	IN
43297	162	7	the	the	DT
43297	162	8	clay	clay	NN
43297	162	9	may	may	MD
43297	162	10	also	also	RB
43297	162	11	affect	affect	VB
43297	162	12	its	-PRON-	PRP$
43297	162	13	colour	colour	NN
43297	162	14	,	,	,
43297	162	15	particularly	particularly	RB
43297	162	16	when	when	WRB
43297	162	17	fired	fire	VBD
43297	162	18	.	.	.
43297	163	1	The	the	DT
43297	163	2	most	most	RBS
43297	163	3	obvious	obvious	JJ
43297	163	4	feature	feature	NN
43297	163	5	in	in	IN
43297	163	6	a	a	DT
43297	163	7	piece	piece	NN
43297	163	8	of	of	IN
43297	163	9	moist	moist	JJ
43297	163	10	clay	clay	NN
43297	163	11	is	be	VBZ
43297	163	12	its	-PRON-	PRP$
43297	163	13	_	_	NNP
43297	163	14	plasticity_[5	plasticity_[5	NNP
43297	163	15	]	]	-RRB-
43297	163	16	or	or	CC
43297	163	17	ability	ability	NN
43297	163	18	to	to	TO
43297	163	19	alter	alter	VB
43297	163	20	its	-PRON-	PRP$
43297	163	21	shape	shape	NN
43297	163	22	when	when	WRB
43297	163	23	kneaded	knead	VBN
43297	163	24	or	or	CC
43297	163	25	put	put	VBN
43297	163	26	under	under	IN
43297	163	27	slight	slight	JJ
43297	163	28	pressure	pressure	NN
43297	163	29	and	and	CC
43297	163	30	to	to	TO
43297	163	31	retain	retain	VB
43297	163	32	its	-PRON-	PRP$
43297	163	33	new	new	JJ
43297	163	34	shape	shape	NN
43297	163	35	after	after	IN
43297	163	36	the	the	DT
43297	163	37	pressure	pressure	NN
43297	163	38	has	have	VBZ
43297	163	39	been	be	VBN
43297	163	40	removed	remove	VBN
43297	163	41	.	.	.
43297	164	1	It	-PRON-	PRP
43297	164	2	is	be	VBZ
43297	164	3	this	this	DT
43297	164	4	property	property	NN
43297	164	5	which	which	WDT
43297	164	6	enables	enable	VBZ
43297	164	7	the	the	DT
43297	164	8	production	production	NN
43297	164	9	of	of	IN
43297	164	10	ornaments	ornament	NNS
43297	164	11	,	,	,
43297	164	12	vessels	vessel	NNS
43297	164	13	of	of	IN
43297	164	14	various	various	JJ
43297	164	15	kinds	kind	NNS
43297	164	16	,	,	,
43297	164	17	and	and	CC
43297	164	18	the	the	DT
43297	164	19	many	many	JJ
43297	164	20	other	other	JJ
43297	164	21	articles	article	NNS
43297	164	22	which	which	WDT
43297	164	23	are	be	VBP
43297	164	24	the	the	DT
43297	164	25	result	result	NN
43297	164	26	of	of	IN
43297	164	27	the	the	DT
43297	164	28	application	application	NN
43297	164	29	of	of	IN
43297	164	30	modelling	modelling	NN
43297	164	31	tools	tool	NNS
43297	164	32	,	,	,
43297	164	33	of	of	IN
43297	164	34	moulding	moulding	NN
43297	164	35	or	or	CC
43297	164	36	of	of	IN
43297	164	37	the	the	DT
43297	164	38	action	action	NN
43297	164	39	of	of	IN
43297	164	40	a	a	DT
43297	164	41	potter	potter	NN
43297	164	42	's	's	POS
43297	164	43	wheel	wheel	NN
43297	164	44	.	.	.
43297	165	1	So	so	RB
43297	165	2	long	long	RB
43297	165	3	as	as	IN
43297	165	4	clay	clay	NN
43297	165	5	contains	contain	VBZ
43297	165	6	a	a	DT
43297	165	7	suitable	suitable	JJ
43297	165	8	proportion	proportion	NN
43297	165	9	of	of	IN
43297	165	10	moisture	moisture	NN
43297	165	11	it	-PRON-	PRP
43297	165	12	is	be	VBZ
43297	165	13	plastic	plastic	JJ
43297	165	14	and	and	CC
43297	165	15	may	may	MD
43297	165	16	be	be	VB
43297	165	17	made	make	VBN
43297	165	18	into	into	IN
43297	165	19	articles	article	NNS
43297	165	20	of	of	IN
43297	165	21	any	any	DT
43297	165	22	desired	desire	VBN
43297	165	23	shape	shape	NN
43297	165	24	,	,	,
43297	165	25	but	but	CC
43297	165	26	if	if	IN
43297	165	27	the	the	DT
43297	165	28	amount	amount	NN
43297	165	29	of	of	IN
43297	165	30	moisture	moisture	NN
43297	165	31	in	in	IN
43297	165	32	it	-PRON-	PRP
43297	165	33	is	be	VBZ
43297	165	34	reduced	reduce	VBN
43297	165	35	or	or	CC
43297	165	36	removed	remove	VBN
43297	165	37	completely	completely	RB
43297	165	38	,	,	,
43297	165	39	the	the	DT
43297	165	40	material	material	NN
43297	165	41	is	be	VBZ
43297	165	42	no	no	DT
43297	165	43	longer	long	RBR
43297	165	44	plastic	plastic	NN
43297	165	45	.	.	.
43297	166	1	It	-PRON-	PRP
43297	166	2	may	may	MD
43297	166	3	become	become	VB
43297	166	4	so	so	RB
43297	166	5	,	,	,
43297	166	6	however	however	RB
43297	166	7	,	,	,
43297	166	8	on	on	IN
43297	166	9	adding	add	VBG
43297	166	10	a	a	DT
43297	166	11	further	further	JJ
43297	166	12	suitable	suitable	JJ
43297	166	13	quantity	quantity	NN
43297	166	14	of	of	IN
43297	166	15	water	water	NN
43297	166	16	and	and	CC
43297	166	17	mixing	mixing	NN
43297	166	18	,	,	,
43297	166	19	provided	provide	VBN
43297	166	20	that	that	IN
43297	166	21	it	-PRON-	PRP
43297	166	22	has	have	VBZ
43297	166	23	not	not	RB
43297	166	24	been	be	VBN
43297	166	25	excessively	excessively	RB
43297	166	26	heated	heat	VBN
43297	166	27	.	.	.
43297	167	1	If	if	IN
43297	167	2	,	,	,
43297	167	3	in	in	IN
43297	167	4	the	the	DT
43297	167	5	removal	removal	NN
43297	167	6	of	of	IN
43297	167	7	the	the	DT
43297	167	8	moisture	moisture	NN
43297	167	9	,	,	,
43297	167	10	the	the	DT
43297	167	11	clay	clay	NN
43297	167	12	has	have	VBZ
43297	167	13	been	be	VBN
43297	167	14	heated	heat	VBN
43297	167	15	to	to	IN
43297	167	16	600	600	CD
43297	167	17	°	°	,
43297	167	18	C.	C.	NNP
43297	167	19	or	or	CC
43297	167	20	more	more	JJR
43297	167	21	,	,	,
43297	167	22	it	-PRON-	PRP
43297	167	23	loses	lose	VBZ
43297	167	24	its	-PRON-	PRP$
43297	167	25	power	power	NN
43297	167	26	of	of	IN
43297	167	27	becoming	become	VBG
43297	167	28	plastic	plastic	NN
43297	167	29	and	and	CC
43297	167	30	is	be	VBZ
43297	167	31	converted	convert	VBN
43297	167	32	into	into	IN
43297	167	33	a	a	DT
43297	167	34	material	material	NN
43297	167	35	more	more	RBR
43297	167	36	closely	closely	RB
43297	167	37	resembling	resemble	VBG
43297	167	38	stone	stone	NN
43297	167	39	.	.	.
43297	168	1	[	[	-LRB-
43297	168	2	Footnote	Footnote	NNP
43297	168	3	5	5	CD
43297	168	4	:	:	:
43297	168	5	A	a	DT
43297	168	6	plastic	plastic	JJ
43297	168	7	substance	substance	NN
43297	168	8	is	be	VBZ
43297	168	9	one	one	CD
43297	168	10	with	with	IN
43297	168	11	the	the	DT
43297	168	12	characteristics	characteristic	NNS
43297	168	13	of	of	IN
43297	168	14	'	'	``
43297	168	15	a	a	DT
43297	168	16	fluid	fluid	NN
43297	168	17	of	of	IN
43297	168	18	so	so	RB
43297	168	19	great	great	JJ
43297	168	20	a	a	DT
43297	168	21	viscosity	viscosity	NN
43297	168	22	that	that	IN
43297	168	23	it	-PRON-	PRP
43297	168	24	does	do	VBZ
43297	168	25	not	not	RB
43297	168	26	lose	lose	VB
43297	168	27	its	-PRON-	PRP$
43297	168	28	shape	shape	NN
43297	168	29	under	under	IN
43297	168	30	the	the	DT
43297	168	31	influence	influence	NN
43297	168	32	of	of	IN
43297	168	33	gravitation	gravitation	NN
43297	168	34	.	.	.
43297	168	35	'	'	''
43297	168	36	]	]	-RRB-
43297	169	1	The	the	DT
43297	169	2	causes	cause	NNS
43297	169	3	of	of	IN
43297	169	4	plasticity	plasticity	NN
43297	169	5	appear	appear	VBP
43297	169	6	to	to	TO
43297	169	7	be	be	VB
43297	169	8	somewhat	somewhat	RB
43297	169	9	numerous	numerous	JJ
43297	169	10	,	,	,
43297	169	11	though	though	IN
43297	169	12	there	there	EX
43297	169	13	is	be	VBZ
43297	169	14	no	no	DT
43297	169	15	generally	generally	RB
43297	169	16	accepted	accept	VBN
43297	169	17	explanation	explanation	NN
43297	169	18	of	of	IN
43297	169	19	this	this	DT
43297	169	20	remarkable	remarkable	JJ
43297	169	21	quality	quality	NN
43297	169	22	which	which	WDT
43297	169	23	distinguishes	distinguish	VBZ
43297	169	24	clays	clay	NNS
43297	169	25	from	from	IN
43297	169	26	most	most	JJS
43297	169	27	other	other	JJ
43297	169	28	substances	substance	NNS
43297	169	29	.	.	.
43297	170	1	It	-PRON-	PRP
43297	170	2	is	be	VBZ
43297	170	3	true	true	JJ
43297	170	4	that	that	IN
43297	170	5	wet	wet	JJ
43297	170	6	sand	sand	NN
43297	170	7	,	,	,
43297	170	8	soap	soap	NN
43297	170	9	,	,	,
43297	170	10	wax	wax	NN
43297	170	11	,	,	,
43297	170	12	lead	lead	NN
43297	170	13	and	and	CC
43297	170	14	some	some	DT
43297	170	15	other	other	JJ
43297	170	16	materials	material	NNS
43297	170	17	possess	possess	VBP
43297	170	18	a	a	DT
43297	170	19	certain	certain	JJ
43297	170	20	amount	amount	NN
43297	170	21	of	of	IN
43297	170	22	plasticity	plasticity	NN
43297	170	23	,	,	,
43297	170	24	but	but	CC
43297	170	25	not	not	RB
43297	170	26	to	to	IN
43297	170	27	anything	anything	NN
43297	170	28	like	like	IN
43297	170	29	the	the	DT
43297	170	30	same	same	JJ
43297	170	31	extent	extent	NN
43297	170	32	as	as	IN
43297	170	33	clay	clay	NN
43297	170	34	.	.	.
43297	171	1	So	so	RB
43297	171	2	far	far	RB
43297	171	3	as	as	IN
43297	171	4	clays	clay	NNS
43297	171	5	are	be	VBP
43297	171	6	concerned	concern	VBN
43297	171	7	,	,	,
43297	171	8	their	-PRON-	PRP$
43297	171	9	plasticity	plasticity	NN
43297	171	10	appears	appear	VBZ
43297	171	11	to	to	TO
43297	171	12	be	be	VB
43297	171	13	connected	connect	VBN
43297	171	14	with	with	IN
43297	171	15	the	the	DT
43297	171	16	presence	presence	NN
43297	171	17	of	of	IN
43297	171	18	combined	combined	JJ
43297	171	19	water	water	NN
43297	171	20	as	as	RB
43297	171	21	well	well	RB
43297	171	22	as	as	IN
43297	171	23	of	of	IN
43297	171	24	mechanically	mechanically	RB
43297	171	25	mixed	mix	VBN
43297	171	26	water	water	NN
43297	171	27	,	,	,
43297	171	28	for	for	IN
43297	171	29	if	if	IN
43297	171	30	either	either	DT
43297	171	31	of	of	IN
43297	171	32	these	these	DT
43297	171	33	are	be	VBP
43297	171	34	removed	remove	VBN
43297	171	35	,	,	,
43297	171	36	plasticity	plasticity	NN
43297	171	37	--	--	:
43297	171	38	both	both	DT
43297	171	39	actual	actual	JJ
43297	171	40	and	and	CC
43297	171	41	potential	potential	JJ
43297	171	42	--	--	:
43297	171	43	is	be	VBZ
43297	171	44	destroyed	destroy	VBN
43297	171	45	.	.	.
43297	172	1	The	the	DT
43297	172	2	part	part	NN
43297	172	3	played	play	VBN
43297	172	4	by	by	IN
43297	172	5	water	water	NN
43297	172	6	is	be	VBZ
43297	172	7	not	not	RB
43297	172	8	,	,	,
43297	172	9	however	however	RB
43297	172	10	,	,	,
43297	172	11	completely	completely	RB
43297	172	12	known	know	VBN
43297	172	13	,	,	,
43297	172	14	for	for	IN
43297	172	15	the	the	DT
43297	172	16	many	many	JJ
43297	172	17	theories	theory	NNS
43297	172	18	which	which	WDT
43297	172	19	have	have	VBP
43297	172	20	been	be	VBN
43297	172	21	advanced	advance	VBN
43297	172	22	only	only	RB
43297	172	23	cover	cover	VB
43297	172	24	some	some	DT
43297	172	25	of	of	IN
43297	172	26	the	the	DT
43297	172	27	conditions	condition	NNS
43297	172	28	and	and	CC
43297	172	29	facts	fact	NNS
43297	172	30	.	.	.
43297	173	1	A	a	DT
43297	173	2	number	number	NN
43297	173	3	of	of	IN
43297	173	4	observers	observer	NNS
43297	173	5	agree	agree	VBP
43297	173	6	that	that	IN
43297	173	7	the	the	DT
43297	173	8	molecular	molecular	JJ
43297	173	9	constitution	constitution	NN
43297	173	10	of	of	IN
43297	173	11	clay	clay	NN
43297	173	12	is	be	VBZ
43297	173	13	peculiar	peculiar	JJ
43297	173	14	and	and	CC
43297	173	15	that	that	IN
43297	173	16	it	-PRON-	PRP
43297	173	17	is	be	VBZ
43297	173	18	to	to	IN
43297	173	19	this	this	DT
43297	173	20	that	that	IN
43297	173	21	plasticity	plasticity	NN
43297	173	22	is	be	VBZ
43297	173	23	due	due	JJ
43297	173	24	.	.	.
43297	174	1	Yet	yet	CC
43297	174	2	the	the	DT
43297	174	3	curious	curious	JJ
43297	174	4	fact	fact	NN
43297	174	5	that	that	IN
43297	174	6	the	the	DT
43297	174	7	purest	pure	JJS
43297	174	8	clays	clay	NNS
43297	174	9	--	--	:
43297	174	10	the	the	DT
43297	174	11	kaolins	kaolin	NNS
43297	174	12	--	--	:
43297	174	13	are	be	VBP
43297	174	14	remarkably	remarkably	RB
43297	174	15	deficient	deficient	JJ
43297	174	16	in	in	IN
43297	174	17	plasticity	plasticity	NN
43297	174	18	shows	show	VBZ
43297	174	19	that	that	IN
43297	174	20	molecular	molecular	JJ
43297	174	21	constitution	constitution	NN
43297	174	22	is	be	VBZ
43297	174	23	not	not	RB
43297	174	24	,	,	,
43297	174	25	alone	alone	RB
43297	174	26	,	,	,
43297	174	27	sufficient	sufficient	JJ
43297	174	28	.	.	.
43297	175	1	Others	other	NNS
43297	175	2	hold	hold	VBP
43297	175	3	that	that	IN
43297	175	4	the	the	DT
43297	175	5	remarkably	remarkably	RB
43297	175	6	small	small	JJ
43297	175	7	size	size	NN
43297	175	8	of	of	IN
43297	175	9	clay	clay	NN
43297	175	10	particles	particle	NNS
43297	175	11	enables	enable	VBZ
43297	175	12	them	-PRON-	PRP
43297	175	13	to	to	TO
43297	175	14	pack	pack	VB
43297	175	15	together	together	RB
43297	175	16	more	more	RBR
43297	175	17	closely	closely	RB
43297	175	18	than	than	IN
43297	175	19	do	do	VB
43297	175	20	particles	particle	NNS
43297	175	21	of	of	IN
43297	175	22	other	other	JJ
43297	175	23	materials	material	NNS
43297	175	24	and	and	CC
43297	175	25	to	to	TO
43297	175	26	retain	retain	VB
43297	175	27	around	around	IN
43297	175	28	them	-PRON-	PRP
43297	175	29	a	a	DT
43297	175	30	film	film	NN
43297	175	31	of	of	IN
43297	175	32	water	water	NN
43297	175	33	which	which	WDT
43297	175	34	acts	act	VBZ
43297	175	35	partly	partly	RB
43297	175	36	as	as	IN
43297	175	37	a	a	DT
43297	175	38	lubricant	lubricant	NN
43297	175	39	,	,	,
43297	175	40	facilitating	facilitate	VBG
43297	175	41	the	the	DT
43297	175	42	change	change	NN
43297	175	43	of	of	IN
43297	175	44	shape	shape	NN
43297	175	45	of	of	IN
43297	175	46	the	the	DT
43297	175	47	mass	mass	NN
43297	175	48	when	when	WRB
43297	175	49	under	under	IN
43297	175	50	pressure	pressure	NN
43297	175	51	,	,	,
43297	175	52	and	and	CC
43297	175	53	partly	partly	RB
43297	175	54	as	as	IN
43297	175	55	an	an	DT
43297	175	56	adhesive	adhesive	NN
43297	175	57	,	,	,
43297	175	58	causing	cause	VBG
43297	175	59	the	the	DT
43297	175	60	particles	particle	NNS
43297	175	61	to	to	TO
43297	175	62	adhere	adhere	VB
43297	175	63	to	to	IN
43297	175	64	each	each	DT
43297	175	65	other	other	JJ
43297	175	66	when	when	WRB
43297	175	67	the	the	DT
43297	175	68	pressure	pressure	NN
43297	175	69	is	be	VBZ
43297	175	70	removed	remove	VBN
43297	175	71	.	.	.
43297	176	1	Zschokke	Zschokke	NNP
43297	176	2	has	have	VBZ
43297	176	3	laid	lay	VBN
43297	176	4	much	much	JJ
43297	176	5	emphasis	emphasis	NN
43297	176	6	on	on	IN
43297	176	7	the	the	DT
43297	176	8	importance	importance	NN
43297	176	9	of	of	IN
43297	176	10	molecular	molecular	JJ
43297	176	11	attraction	attraction	NN
43297	176	12	between	between	IN
43297	176	13	clay	clay	NN
43297	176	14	and	and	CC
43297	176	15	water	water	NN
43297	176	16	as	as	IN
43297	176	17	a	a	DT
43297	176	18	cause	cause	NN
43297	176	19	of	of	IN
43297	176	20	plasticity	plasticity	NN
43297	176	21	,	,	,
43297	176	22	and	and	CC
43297	176	23	has	have	VBZ
43297	176	24	suggested	suggest	VBN
43297	176	25	that	that	IN
43297	176	26	the	the	DT
43297	176	27	absorption	absorption	NN
43297	176	28	of	of	IN
43297	176	29	the	the	DT
43297	176	30	water	water	NN
43297	176	31	effects	effect	VBZ
43297	176	32	a	a	DT
43297	176	33	change	change	NN
43297	176	34	in	in	IN
43297	176	35	the	the	DT
43297	176	36	surfaces	surface	NNS
43297	176	37	of	of	IN
43297	176	38	the	the	DT
43297	176	39	clay	clay	NN
43297	176	40	particles	particle	NNS
43297	176	41	,	,	,
43297	176	42	giving	give	VBG
43297	176	43	them	-PRON-	PRP
43297	176	44	a	a	DT
43297	176	45	gelatinous	gelatinous	JJ
43297	176	46	nature	nature	NN
43297	176	47	and	and	CC
43297	176	48	enabling	enable	VBG
43297	176	49	them	-PRON-	PRP
43297	176	50	to	to	TO
43297	176	51	change	change	VB
43297	176	52	their	-PRON-	PRP$
43297	176	53	form	form	NN
43297	176	54	and	and	CC
43297	176	55	yet	yet	RB
43297	176	56	keep	keep	VB
43297	176	57	in	in	IN
43297	176	58	close	close	JJ
43297	176	59	contact	contact	NN
43297	176	60	.	.	.
43297	177	1	The	the	DT
43297	177	2	fact	fact	NN
43297	177	3	that	that	IN
43297	177	4	mica	mica	NNP
43297	177	5	,	,	,
43297	177	6	fluorspar	fluorspar	NNP
43297	177	7	and	and	CC
43297	177	8	quartz	quartz	NNP
43297	177	9	,	,	,
43297	177	10	when	when	WRB
43297	177	11	in	in	IN
43297	177	12	a	a	DT
43297	177	13	sufficiently	sufficiently	RB
43297	177	14	finely	finely	RB
43297	177	15	divided	divide	VBN
43297	177	16	state	state	NN
43297	177	17	,	,	,
43297	177	18	are	be	VBP
43297	177	19	also	also	RB
43297	177	20	slightly	slightly	RB
43297	177	21	plastic	plastic	JJ
43297	177	22	,	,	,
43297	177	23	appears	appear	VBZ
43297	177	24	to	to	TO
43297	177	25	be	be	VB
43297	177	26	opposed	oppose	VBN
43297	177	27	to	to	IN
43297	177	28	the	the	DT
43297	177	29	molecular	molecular	JJ
43297	177	30	constitution	constitution	NN
43297	177	31	theory	theory	NN
43297	177	32	.	.	.
43297	178	1	Smallness	smallness	JJ
43297	178	2	of	of	IN
43297	178	3	grain	grain	NN
43297	178	4	undoubtedly	undoubtedly	RB
43297	178	5	has	have	VBZ
43297	178	6	an	an	DT
43297	178	7	influence	influence	NN
43297	178	8	on	on	IN
43297	178	9	the	the	DT
43297	178	10	plasticity	plasticity	NN
43297	178	11	of	of	IN
43297	178	12	clay	clay	NN
43297	178	13	,	,	,
43297	178	14	coarse	coarse	RB
43297	178	15	-	-	HYPH
43297	178	16	grained	grain	VBN
43297	178	17	clays	clay	NNS
43297	178	18	being	be	VBG
43297	178	19	notably	notably	RB
43297	178	20	less	less	RBR
43297	178	21	plastic	plastic	NN
43297	178	22	than	than	IN
43297	178	23	others	other	NNS
43297	178	24	.	.	.
43297	179	1	Daubrée	Daubrée	NNP
43297	179	2	pointed	point	VBD
43297	179	3	out	out	RP
43297	179	4	that	that	IN
43297	179	5	felspar	felspar	NN
43297	179	6	,	,	,
43297	179	7	when	when	WRB
43297	179	8	ground	ground	NN
43297	179	9	with	with	IN
43297	179	10	water	water	NN
43297	179	11	,	,	,
43297	179	12	develops	develop	VBZ
43297	179	13	plasticity	plasticity	NN
43297	179	14	to	to	IN
43297	179	15	a	a	DT
43297	179	16	small	small	JJ
43297	179	17	extent	extent	NN
43297	179	18	,	,	,
43297	179	19	and	and	CC
43297	179	20	Olschewsky	Olschewsky	NNP
43297	179	21	carried	carry	VBD
43297	179	22	this	this	DT
43297	179	23	observation	observation	NN
43297	179	24	further	far	RBR
43297	179	25	and	and	CC
43297	179	26	has	have	VBZ
43297	179	27	suggested	suggest	VBN
43297	179	28	that	that	IN
43297	179	29	clays	clay	NNS
43297	179	30	owe	owe	VBP
43297	179	31	their	-PRON-	PRP$
43297	179	32	plasticity	plasticity	NN
43297	179	33	to	to	IN
43297	179	34	prolonged	prolong	VBN
43297	179	35	contact	contact	NN
43297	179	36	with	with	IN
43297	179	37	water	water	NN
43297	179	38	during	during	IN
43297	179	39	their	-PRON-	PRP$
43297	179	40	removal	removal	NN
43297	179	41	from	from	IN
43297	179	42	their	-PRON-	PRP$
43297	179	43	place	place	NN
43297	179	44	of	of	IN
43297	179	45	formation	formation	NN
43297	179	46	and	and	CC
43297	179	47	previous	previous	JJ
43297	179	48	to	to	IN
43297	179	49	or	or	CC
43297	179	50	during	during	IN
43297	179	51	their	-PRON-	PRP$
43297	179	52	deposition	deposition	NN
43297	179	53	.	.	.
43297	180	1	A	a	DT
43297	180	2	further	further	JJ
43297	180	3	confirmation	confirmation	NN
43297	180	4	of	of	IN
43297	180	5	this	this	DT
43297	180	6	theory	theory	NN
43297	180	7	is	be	VBZ
43297	180	8	due	due	JJ
43297	180	9	to	to	IN
43297	180	10	Mellor	Mellor	NNP
43297	180	11	(	(	-LRB-
43297	180	12	3	3	CD
43297	180	13	)	)	-RRB-
43297	180	14	who	who	WP
43297	180	15	showed	show	VBD
43297	180	16	that	that	IN
43297	180	17	on	on	IN
43297	180	18	heating	heat	VBG
43297	180	19	china	china	NNP
43297	180	20	clay	clay	NNP
43297	180	21	with	with	IN
43297	180	22	water	water	NN
43297	180	23	under	under	IN
43297	180	24	very	very	RB
43297	180	25	considerable	considerable	JJ
43297	180	26	pressure	pressure	NN
43297	180	27	its	-PRON-	PRP$
43297	180	28	plasticity	plasticity	NN
43297	180	29	was	be	VBD
43297	180	30	increased	increase	VBN
43297	180	31	and	and	CC
43297	180	32	that	that	IN
43297	180	33	felspar	felspar	VBZ
43297	180	34	and	and	CC
43297	180	35	some	some	DT
43297	180	36	other	other	JJ
43297	180	37	non	non	JJ
43297	180	38	-	-	JJ
43297	180	39	plastic	plastic	JJ
43297	180	40	materials	material	NNS
43297	180	41	developed	develop	VBD
43297	180	42	plasticity	plasticity	NN
43297	180	43	under	under	IN
43297	180	44	these	these	DT
43297	180	45	conditions	condition	NNS
43297	180	46	.	.	.
43297	181	1	Johnson	Johnson	NNP
43297	181	2	and	and	CC
43297	181	3	Blake	Blake	NNP
43297	181	4	(	(	-LRB-
43297	181	5	21	21	CD
43297	181	6	)	)	-RRB-
43297	181	7	supposed	suppose	VBD
43297	181	8	that	that	IN
43297	181	9	plasticity	plasticity	NN
43297	181	10	is	be	VBZ
43297	181	11	due	due	JJ
43297	181	12	to	to	IN
43297	181	13	the	the	DT
43297	181	14	clay	clay	NN
43297	181	15	being	be	VBG
43297	181	16	composed	compose	VBN
43297	181	17	of	of	IN
43297	181	18	extremely	extremely	RB
43297	181	19	minute	minute	JJ
43297	181	20	plates	plate	NNS
43297	181	21	'	'	POS
43297	181	22	bunched	bunch	VBN
43297	181	23	together	together	RB
43297	181	24	,	,	,
43297	181	25	'	'	''
43297	181	26	a	a	DT
43297	181	27	view	view	NN
43297	181	28	which	which	WDT
43297	181	29	was	be	VBD
43297	181	30	also	also	RB
43297	181	31	held	hold	VBN
43297	181	32	by	by	IN
43297	181	33	Biedermann	Biedermann	NNP
43297	181	34	and	and	CC
43297	181	35	Herzfield	Herzfield	NNP
43297	181	36	,	,	,
43297	181	37	Le	Le	NNP
43297	181	38	Chatelier	Chatelier	NNP
43297	181	39	and	and	CC
43297	181	40	others	other	NNS
43297	181	41	.	.	.
43297	182	1	Olschewsky	Olschewsky	NNP
43297	182	2	enlarged	enlarge	VBD
43297	182	3	this	this	DT
43297	182	4	theory	theory	NN
43297	182	5	by	by	IN
43297	182	6	suggesting	suggest	VBG
43297	182	7	that	that	IN
43297	182	8	the	the	DT
43297	182	9	plasticity	plasticity	NN
43297	182	10	of	of	IN
43297	182	11	certain	certain	JJ
43297	182	12	clays	clay	NNS
43297	182	13	is	be	VBZ
43297	182	14	dependent	dependent	JJ
43297	182	15	on	on	IN
43297	182	16	the	the	DT
43297	182	17	large	large	JJ
43297	182	18	surface	surface	NN
43297	182	19	and	and	CC
43297	182	20	the	the	DT
43297	182	21	interlocking	interlocking	NN
43297	182	22	of	of	IN
43297	182	23	irregular	irregular	JJ
43297	182	24	particles	particle	NNS
43297	182	25	with	with	IN
43297	182	26	the	the	DT
43297	182	27	plates	plate	NNS
43297	182	28	just	just	RB
43297	182	29	mentioned	mention	VBD
43297	182	30	.	.	.
43297	183	1	These	these	DT
43297	183	2	theories	theory	NNS
43297	183	3	of	of	IN
43297	183	4	interlocking	interlock	VBG
43297	183	5	are	be	VBP
43297	183	6	,	,	,
43297	183	7	however	however	RB
43297	183	8	,	,	,
43297	183	9	incomplete	incomplete	JJ
43297	183	10	,	,	,
43297	183	11	because	because	IN
43297	183	12	the	the	DT
43297	183	13	tensile	tensile	JJ
43297	183	14	strength	strength	NN
43297	183	15	of	of	IN
43297	183	16	clays	clay	NNS
43297	183	17	should	should	MD
43297	183	18	accurately	accurately	RB
43297	183	19	represent	represent	VB
43297	183	20	the	the	DT
43297	183	21	plasticity	plasticity	NN
43297	183	22	if	if	IN
43297	183	23	interlocking	interlock	VBG
43297	183	24	were	be	VBD
43297	183	25	the	the	DT
43297	183	26	sole	sole	JJ
43297	183	27	cause	cause	NN
43297	183	28	.	.	.
43297	184	1	Zschokke	Zschokke	NNP
43297	184	2	has	have	VBZ
43297	184	3	shown	show	VBN
43297	184	4	that	that	DT
43297	184	5	tensile	tensile	JJ
43297	184	6	strength	strength	NN
43297	184	7	is	be	VBZ
43297	184	8	only	only	RB
43297	184	9	one	one	CD
43297	184	10	factor	factor	NN
43297	184	11	which	which	WDT
43297	184	12	must	must	MD
43297	184	13	be	be	VB
43297	184	14	determined	determine	VBN
43297	184	15	in	in	IN
43297	184	16	any	any	DT
43297	184	17	attempt	attempt	NN
43297	184	18	to	to	TO
43297	184	19	measure	measure	VB
43297	184	20	plasticity	plasticity	NN
43297	184	21	.	.	.
43297	185	1	E.	E.	NNP
43297	185	2	H.	H.	NNP
43297	185	3	L.	L.	NNP
43297	185	4	Schwarz	Schwarz	NNP
43297	185	5	(	(	-LRB-
43297	185	6	35	35	CD
43297	185	7	)	)	-RRB-
43297	185	8	has	have	VBZ
43297	185	9	suggested	suggest	VBN
43297	185	10	that	that	IN
43297	185	11	many	many	JJ
43297	185	12	clays	clay	NNS
43297	185	13	are	be	VBP
43297	185	14	composed	compose	VBN
43297	185	15	of	of	IN
43297	185	16	small	small	JJ
43297	185	17	globular	globular	JJ
43297	185	18	masses	masse	NNS
43297	185	19	of	of	IN
43297	185	20	plates	plate	NNS
43297	185	21	so	so	RB
43297	185	22	arranged	arrange	VBD
43297	185	23	as	as	IN
43297	185	24	to	to	TO
43297	185	25	form	form	VB
43297	185	26	an	an	DT
43297	185	27	open	open	JJ
43297	185	28	network	network	NN
43297	185	29	(	(	-LRB-
43297	185	30	fig	fig	NN
43297	185	31	.	.	.
43297	186	1	4	4	LS
43297	186	2	)	)	-RRB-
43297	186	3	which	which	WDT
43297	186	4	is	be	VBZ
43297	186	5	sufficiently	sufficiently	RB
43297	186	6	strong	strong	JJ
43297	186	7	not	not	RB
43297	186	8	to	to	TO
43297	186	9	be	be	VB
43297	186	10	destroyed	destroy	VBN
43297	186	11	by	by	IN
43297	186	12	pressure	pressure	NN
43297	186	13	.	.	.
43297	187	1	In	in	IN
43297	187	2	the	the	DT
43297	187	3	presence	presence	NN
43297	187	4	of	of	IN
43297	187	5	water	water	NN
43297	187	6	and	and	CC
43297	187	7	much	much	RB
43297	187	8	rubbing	rub	VBG
43297	187	9	the	the	DT
43297	187	10	plates	plate	NNS
43297	187	11	are	be	VBP
43297	187	12	separated	separate	VBN
43297	187	13	and	and	CC
43297	187	14	are	be	VBP
43297	187	15	made	make	VBN
43297	187	16	to	to	TO
43297	187	17	lie	lie	VB
43297	187	18	flat	flat	RB
43297	187	19	on	on	IN
43297	187	20	each	each	DT
43297	187	21	other	other	JJ
43297	187	22	,	,	,
43297	187	23	thereby	thereby	RB
43297	187	24	giving	give	VBG
43297	187	25	a	a	DT
43297	187	26	plastic	plastic	NN
43297	187	27	and	and	CC
43297	187	28	impermeable	impermeable	JJ
43297	187	29	mass	mass	NN
43297	187	30	.	.	.
43297	188	1	If	if	IN
43297	188	2	this	this	DT
43297	188	3	is	be	VBZ
43297	188	4	really	really	RB
43297	188	5	the	the	DT
43297	188	6	case	case	NN
43297	188	7	it	-PRON-	PRP
43297	188	8	would	would	MD
43297	188	9	explain	explain	VB
43297	188	10	the	the	DT
43297	188	11	porosity	porosity	NN
43297	188	12	and	and	CC
43297	188	13	large	large	JJ
43297	188	14	surface	surface	NN
43297	188	15	of	of	IN
43297	188	16	some	some	DT
43297	188	17	clays	clay	NNS
43297	188	18	and	and	CC
43297	188	19	might	may	MD
43297	188	20	account	account	VB
43297	188	21	for	for	IN
43297	188	22	their	-PRON-	PRP$
43297	188	23	adsorptive	adsorptive	JJ
43297	188	24	power	power	NN
43297	188	25	.	.	.
43297	189	1	[	[	-LRB-
43297	189	2	Illustration	illustration	NN
43297	189	3	:	:	:
43297	189	4	Fig	Fig	NNP
43297	189	5	.	.	.
43297	190	1	4	4	LS
43297	190	2	.	.	.
43297	191	1	Illustrating	illustrate	VBG
43297	191	2	the	the	DT
43297	191	3	structure	structure	NN
43297	191	4	of	of	IN
43297	191	5	a	a	DT
43297	191	6	'	'	``
43297	191	7	clay	clay	NN
43297	191	8	crumb	crumb	NN
43297	191	9	.	.	.
43297	191	10	'	'	''
43297	192	1	(	(	-LRB-
43297	192	2	_	_	NNP
43297	192	3	After	after	IN
43297	192	4	Schwarz	Schwarz	NNP
43297	192	5	.	.	.
43297	192	6	_	_	NNP
43297	192	7	)	)	-RRB-
43297	192	8	]	]	-RRB-
43297	192	9	A	a	DT
43297	192	10	theory	theory	NN
43297	192	11	which	which	WDT
43297	192	12	was	be	VBD
43297	192	13	first	first	RB
43297	192	14	promulgated	promulgate	VBN
43297	192	15	in	in	IN
43297	192	16	1850	1850	CD
43297	192	17	by	by	IN
43297	192	18	Way	Way	NNP
43297	192	19	(	(	-LRB-
43297	192	20	4	4	CD
43297	192	21	)	)	-RRB-
43297	192	22	,	,	,
43297	192	23	but	but	CC
43297	192	24	which	which	WDT
43297	192	25	has	have	VBZ
43297	192	26	only	only	RB
43297	192	27	received	receive	VBN
43297	192	28	detailed	detailed	JJ
43297	192	29	attention	attention	NN
43297	192	30	during	during	IN
43297	192	31	the	the	DT
43297	192	32	last	last	JJ
43297	192	33	few	few	JJ
43297	192	34	years	year	NNS
43297	192	35	,	,	,
43297	192	36	attributes	attribute	VBZ
43297	192	37	plasticity	plasticity	NN
43297	192	38	to	to	IN
43297	192	39	the	the	DT
43297	192	40	presence	presence	NN
43297	192	41	of	of	IN
43297	192	42	colloid	colloid	NN
43297	192	43	substances	substance	NNS
43297	192	44	in	in	IN
43297	192	45	clay	clay	NN
43297	192	46	or	or	CC
43297	192	47	to	to	IN
43297	192	48	the	the	DT
43297	192	49	fact	fact	NN
43297	192	50	that	that	IN
43297	192	51	clay	clay	NN
43297	192	52	particles	particle	NNS
43297	192	53	possess	possess	VBP
43297	192	54	physical	physical	JJ
43297	192	55	characters	character	NNS
43297	192	56	analogous	analogous	JJ
43297	192	57	to	to	IN
43297	192	58	those	those	DT
43297	192	59	of	of	IN
43297	192	60	glue	glue	NN
43297	192	61	and	and	CC
43297	192	62	other	other	JJ
43297	192	63	colloids	colloid	NNS
43297	192	64	.	.	.
43297	193	1	These	these	DT
43297	193	2	colloid	colloid	NN
43297	193	3	substances	substance	NNS
43297	193	4	have	have	VBP
43297	193	5	a	a	DT
43297	193	6	submicroscopic	submicroscopic	JJ
43297	193	7	or	or	CC
43297	193	8	micellian	micellian	JJ
43297	193	9	structure	structure	NN
43297	193	10	;	;	:
43297	193	11	they	-PRON-	PRP
43297	193	12	are	be	VBP
43297	193	13	web	web	NN
43297	193	14	-	-	HYPH
43297	193	15	like	like	JJ
43297	193	16	,	,	,
43297	193	17	porous	porous	JJ
43297	193	18	and	and	CC
43297	193	19	absorb	absorb	VB
43297	193	20	water	water	NN
43297	193	21	eagerly	eagerly	RB
43297	193	22	.	.	.
43297	194	1	This	this	DT
43297	194	2	water	water	NN
43297	194	3	may	may	MD
43297	194	4	be	be	VB
43297	194	5	removed	remove	VBN
43297	194	6	by	by	IN
43297	194	7	drying	dry	VBG
43297	194	8	,	,	,
43297	194	9	only	only	RB
43297	194	10	to	to	TO
43297	194	11	be	be	VB
43297	194	12	re	re	VBN
43297	194	13	-	-	VBN
43297	194	14	absorbed	absorb	VBN
43297	194	15	on	on	IN
43297	194	16	cooling	cool	VBG
43297	194	17	,	,	,
43297	194	18	but	but	CC
43297	194	19	if	if	IN
43297	194	20	the	the	DT
43297	194	21	heating	heating	NN
43297	194	22	temperature	temperature	NN
43297	194	23	is	be	VBZ
43297	194	24	excessive	excessive	JJ
43297	194	25	the	the	DT
43297	194	26	structure	structure	NN
43297	194	27	of	of	IN
43297	194	28	the	the	DT
43297	194	29	colloids	colloid	NNS
43297	194	30	is	be	VBZ
43297	194	31	destroyed	destroy	VBN
43297	194	32	.	.	.
43297	195	1	This	this	DT
43297	195	2	colloid	colloid	NN
43297	195	3	theory	theory	NN
43297	195	4	explains	explain	VBZ
43297	195	5	many	many	JJ
43297	195	6	of	of	IN
43297	195	7	the	the	DT
43297	195	8	facts	fact	NNS
43297	195	9	noted	note	VBN
43297	195	10	by	by	IN
43297	195	11	earlier	early	JJR
43297	195	12	investigators	investigator	NNS
43297	195	13	such	such	JJ
43297	195	14	as	as	IN
43297	195	15	Aron	Aron	NNP
43297	195	16	,	,	,
43297	195	17	Bischof	Bischof	NNP
43297	195	18	,	,	,
43297	195	19	Seger	Seger	NNP
43297	195	20	,	,	,
43297	195	21	Olschewsky	Olschewsky	NNP
43297	195	22	,	,	,
43297	195	23	etc	etc	FW
43297	195	24	.	.	FW
43297	195	25	,	,	,
43297	195	26	but	but	CC
43297	195	27	it	-PRON-	PRP
43297	195	28	is	be	VBZ
43297	195	29	not	not	RB
43297	195	30	entirely	entirely	RB
43297	195	31	satisfactory	satisfactory	JJ
43297	195	32	,	,	,
43297	195	33	though	though	IN
43297	195	34	Rohland	Rohland	NNP
43297	195	35	(	(	-LRB-
43297	195	36	5)--to	5)--to	CD
43297	195	37	whom	whom	WP
43297	195	38	the	the	DT
43297	195	39	present	present	JJ
43297	195	40	prominence	prominence	NN
43297	195	41	of	of	IN
43297	195	42	this	this	DT
43297	195	43	theory	theory	NN
43297	195	44	in	in	IN
43297	195	45	Europe	Europe	NNP
43297	195	46	is	be	VBZ
43297	195	47	largely	largely	RB
43297	195	48	due	due	JJ
43297	195	49	--	--	:
43297	195	50	persistently	persistently	RB
43297	195	51	maintains	maintain	VBZ
43297	195	52	the	the	DT
43297	195	53	contrary	contrary	NN
43297	195	54	.	.	.
43297	196	1	One	one	CD
43297	196	2	great	great	JJ
43297	196	3	objection	objection	NN
43297	196	4	is	be	VBZ
43297	196	5	the	the	DT
43297	196	6	fact	fact	NN
43297	196	7	that	that	IN
43297	196	8	no	no	DT
43297	196	9	characteristic	characteristic	JJ
43297	196	10	_	_	NNP
43297	196	11	inorganic	inorganic	JJ
43297	196	12	_	_	NNP
43297	196	13	colloid	colloid	NN
43297	196	14	substance	substance	NN
43297	196	15	has	have	VBZ
43297	196	16	been	be	VBN
43297	196	17	isolated	isolate	VBN
43297	196	18	from	from	IN
43297	196	19	pure	pure	JJ
43297	196	20	clay	clay	NN
43297	196	21	.	.	.
43297	197	1	It	-PRON-	PRP
43297	197	2	is	be	VBZ
43297	197	3	possible	possible	JJ
43297	197	4	that	that	IN
43297	197	5	some	some	DT
43297	197	6	of	of	IN
43297	197	7	the	the	DT
43297	197	8	so	so	RB
43297	197	9	-	-	HYPH
43297	197	10	called	call	VBN
43297	197	11	'	'	``
43297	197	12	colloidal	colloidal	NN
43297	197	13	'	'	''
43297	197	14	properties	property	NNS
43297	197	15	of	of	IN
43297	197	16	clay	clay	NN
43297	197	17	may	may	MD
43297	197	18	be	be	VB
43297	197	19	due	due	IN
43297	197	20	to	to	IN
43297	197	21	the	the	DT
43297	197	22	smallness	smallness	NN
43297	197	23	of	of	IN
43297	197	24	its	-PRON-	PRP$
43297	197	25	particles	particle	NNS
43297	197	26	and	and	CC
43297	197	27	to	to	IN
43297	197	28	their	-PRON-	PRP$
43297	197	29	great	great	JJ
43297	197	30	porosity	porosity	NN
43297	197	31	,	,	,
43297	197	32	as	as	IN
43297	197	33	suggested	suggest	VBN
43297	197	34	by	by	IN
43297	197	35	Olschewsky	Olschewsky	NNP
43297	197	36	.	.	.
43297	198	1	Despite	despite	IN
43297	198	2	the	the	DT
43297	198	3	present	present	JJ
43297	198	4	impossibility	impossibility	NN
43297	198	5	of	of	IN
43297	198	6	producing	produce	VBG
43297	198	7	a	a	DT
43297	198	8	plastic	plastic	JJ
43297	198	9	material	material	NN
43297	198	10	from	from	IN
43297	198	11	artificially	artificially	RB
43297	198	12	prepared	prepare	VBN
43297	198	13	colloidal	colloidal	JJ
43297	198	14	hydro	hydro	NNP
43297	198	15	-	-	HYPH
43297	198	16	alumino	alumino	NNP
43297	198	17	-	-	HYPH
43297	198	18	silicates	silicate	NNS
43297	198	19	of	of	IN
43297	198	20	the	the	DT
43297	198	21	same	same	JJ
43297	198	22	ultimate	ultimate	JJ
43297	198	23	composition	composition	NN
43297	198	24	as	as	IN
43297	198	25	clay	clay	NN
43297	198	26	,	,	,
43297	198	27	and	and	CC
43297	198	28	the	the	DT
43297	198	29	fact	fact	NN
43297	198	30	that	that	IN
43297	198	31	the	the	DT
43297	198	32	addition	addition	NN
43297	198	33	of	of	IN
43297	198	34	colloidal	colloidal	JJ
43297	198	35	substances	substance	NNS
43297	198	36	does	do	VBZ
43297	198	37	not	not	RB
43297	198	38	necessarily	necessarily	RB
43297	198	39	increase	increase	VB
43297	198	40	the	the	DT
43297	198	41	true	true	JJ
43297	198	42	plasticity	plasticity	NN
43297	198	43	of	of	IN
43297	198	44	clay	clay	NN
43297	198	45	,	,	,
43297	198	46	it	-PRON-	PRP
43297	198	47	can	can	MD
43297	198	48	not	not	RB
43297	198	49	be	be	VB
43297	198	50	denied	deny	VBN
43297	198	51	that	that	IN
43297	198	52	the	the	DT
43297	198	53	presence	presence	NN
43297	198	54	of	of	IN
43297	198	55	colloids	colloid	NNS
43297	198	56	has	have	VBZ
43297	198	57	an	an	DT
43297	198	58	important	important	JJ
43297	198	59	influence	influence	NN
43297	198	60	on	on	IN
43297	198	61	it	-PRON-	PRP
43297	198	62	.	.	.
43297	199	1	The	the	DT
43297	199	2	addition	addition	NN
43297	199	3	of	of	IN
43297	199	4	starches	starch	NNS
43297	199	5	,	,	,
43297	199	6	glue	glue	NN
43297	199	7	,	,	,
43297	199	8	gums	gum	NNS
43297	199	9	and	and	CC
43297	199	10	similar	similar	JJ
43297	199	11	substances	substance	NNS
43297	199	12	whilst	whilst	IN
43297	199	13	apparently	apparently	RB
43297	199	14	increasing	increase	VBG
43297	199	15	the	the	DT
43297	199	16	plasticity	plasticity	NN
43297	199	17	of	of	IN
43297	199	18	clay	clay	NN
43297	199	19	does	do	VBZ
43297	199	20	not	not	RB
43297	199	21	do	do	VB
43297	199	22	so	so	RB
43297	199	23	in	in	IN
43297	199	24	reality	reality	NN
43297	199	25	.	.	.
43297	200	1	The	the	DT
43297	200	2	addition	addition	NN
43297	200	3	of	of	IN
43297	200	4	1	1	CD
43297	200	5	per	per	NN
43297	200	6	cent	cent	NN
43297	200	7	.	.	.
43297	201	1	of	of	IN
43297	201	2	tannin	tannin	NNP
43297	201	3	,	,	,
43297	201	4	on	on	IN
43297	201	5	the	the	DT
43297	201	6	contrary	contrary	NN
43297	201	7	,	,	,
43297	201	8	has	have	VBZ
43297	201	9	been	be	VBN
43297	201	10	found	find	VBN
43297	201	11	by	by	IN
43297	201	12	Ries	Ries	NNP
43297	201	13	(	(	-LRB-
43297	201	14	6	6	CD
43297	201	15	)	)	-RRB-
43297	201	16	to	to	TO
43297	201	17	increase	increase	VB
43297	201	18	both	both	DT
43297	201	19	plasticity	plasticity	NN
43297	201	20	and	and	CC
43297	201	21	binding	bind	VBG
43297	201	22	power	power	NN
43297	201	23	.	.	.
43297	202	1	Plasticity	plasticity	NN
43297	202	2	appears	appear	VBZ
43297	202	3	to	to	TO
43297	202	4	be	be	VB
43297	202	5	composed	compose	VBN
43297	202	6	of	of	IN
43297	202	7	a	a	DT
43297	202	8	number	number	NN
43297	202	9	of	of	IN
43297	202	10	characteristics	characteristic	NNS
43297	202	11	so	so	IN
43297	202	12	that	that	IN
43297	202	13	it	-PRON-	PRP
43297	202	14	is	be	VBZ
43297	202	15	scarcely	scarcely	RB
43297	202	16	likely	likely	JJ
43297	202	17	that	that	IN
43297	202	18	any	any	DT
43297	202	19	single	single	JJ
43297	202	20	cause	cause	NN
43297	202	21	can	can	MD
43297	202	22	be	be	VB
43297	202	23	assigned	assign	VBN
43297	202	24	to	to	IN
43297	202	25	it	-PRON-	PRP
43297	202	26	.	.	.
43297	203	1	On	on	IN
43297	203	2	the	the	DT
43297	203	3	contrary	contrary	NN
43297	203	4	,	,	,
43297	203	5	a	a	DT
43297	203	6	study	study	NN
43297	203	7	of	of	IN
43297	203	8	the	the	DT
43297	203	9	binding	bind	VBG
43297	203	10	power	power	NN
43297	203	11	,	,	,
43297	203	12	tensile	tensile	JJ
43297	203	13	strength	strength	NN
43297	203	14	,	,	,
43297	203	15	extensibility	extensibility	NN
43297	203	16	,	,	,
43297	203	17	adsorption	adsorption	NN
43297	203	18	,	,	,
43297	203	19	texture	texture	NN
43297	203	20	and	and	CC
43297	203	21	molecular	molecular	JJ
43297	203	22	constitution	constitution	NN
43297	203	23	of	of	IN
43297	203	24	clays	clay	NNS
43297	203	25	suggests	suggest	VBZ
43297	203	26	very	very	RB
43297	203	27	strongly	strongly	RB
43297	203	28	that	that	IN
43297	203	29	all	all	PDT
43297	203	30	these	these	DT
43297	203	31	properties	property	NNS
43297	203	32	are	be	VBP
43297	203	33	involved	involve	VBN
43297	203	34	in	in	IN
43297	203	35	the	the	DT
43297	203	36	production	production	NN
43297	203	37	of	of	IN
43297	203	38	plasticity	plasticity	NN
43297	203	39	and	and	CC
43297	203	40	that	that	IN
43297	203	41	it	-PRON-	PRP
43297	203	42	is	be	VBZ
43297	203	43	due	due	JJ
43297	203	44	to	to	IN
43297	203	45	the	the	DT
43297	203	46	chemical	chemical	NN
43297	203	47	as	as	RB
43297	203	48	well	well	RB
43297	203	49	as	as	IN
43297	203	50	the	the	DT
43297	203	51	physical	physical	JJ
43297	203	52	nature	nature	NN
43297	203	53	of	of	IN
43297	203	54	clay	clay	NN
43297	203	55	.	.	.
43297	204	1	No	no	DT
43297	204	2	clay	clay	NN
43297	204	3	is	be	VBZ
43297	204	4	entirely	entirely	RB
43297	204	5	colloidal	colloidal	JJ
43297	204	6	--	--	:
43297	204	7	or	or	CC
43297	204	8	it	-PRON-	PRP
43297	204	9	would	would	MD
43297	204	10	be	be	VB
43297	204	11	elastic	elastic	JJ
43297	204	12	and	and	CC
43297	204	13	not	not	RB
43297	204	14	plastic	plastic	NN
43297	204	15	--	--	:
43297	204	16	but	but	CC
43297	204	17	all	all	DT
43297	204	18	appear	appear	VBP
43297	204	19	to	to	TO
43297	204	20	contain	contain	VB
43297	204	21	both	both	DT
43297	204	22	colloidal	colloidal	NN
43297	204	23	and	and	CC
43297	204	24	non	non	JJ
43297	204	25	-	-	JJ
43297	204	26	colloidal	colloidal	JJ
43297	204	27	(	(	-LRB-
43297	204	28	including	include	VBG
43297	204	29	plate	plate	NN
43297	204	30	-	-	HYPH
43297	204	31	like	like	JJ
43297	204	32	)	)	-RRB-
43297	204	33	particles	particle	NNS
43297	204	34	,	,	,
43297	204	35	and	and	CC
43297	204	36	it	-PRON-	PRP
43297	204	37	is	be	VBZ
43297	204	38	not	not	RB
43297	204	39	improbable	improbable	JJ
43297	204	40	that	that	IN
43297	204	41	materials	material	NNS
43297	204	42	in	in	IN
43297	204	43	both	both	PDT
43297	204	44	these	these	DT
43297	204	45	states	state	NNS
43297	204	46	are	be	VBP
43297	204	47	required	require	VBN
43297	204	48	,	,	,
43297	204	49	the	the	DT
43297	204	50	colloidal	colloidal	JJ
43297	204	51	matter	matter	NN
43297	204	52	acting	act	VBG
43297	204	53	as	as	IN
43297	204	54	a	a	DT
43297	204	55	cement	cement	NN
43297	204	56	.	.	.
43297	205	1	Ries	rie	NNS
43297	205	2	(	(	-LRB-
43297	205	3	6	6	CD
43297	205	4	)	)	-RRB-
43297	205	5	has	have	VBZ
43297	205	6	,	,	,
43297	205	7	in	in	IN
43297	205	8	fact	fact	NN
43297	205	9	,	,	,
43297	205	10	pointed	point	VBD
43297	205	11	out	out	RP
43297	205	12	that	that	IN
43297	205	13	colloids	colloid	NNS
43297	205	14	alone	alone	RB
43297	205	15	lack	lack	VBP
43297	205	16	cohesiveness	cohesiveness	NN
43297	205	17	and	and	CC
43297	205	18	solidity	solidity	NN
43297	205	19	,	,	,
43297	205	20	and	and	CC
43297	205	21	a	a	DT
43297	205	22	fine	fine	JJ
43297	205	23	mineral	mineral	NN
43297	205	24	aggregate	aggregate	NN
43297	205	25	is	be	VBZ
43297	205	26	necessary	necessary	JJ
43297	205	27	to	to	TO
43297	205	28	change	change	VB
43297	205	29	them	-PRON-	PRP
43297	205	30	into	into	IN
43297	205	31	a	a	DT
43297	205	32	plastic	plastic	JJ
43297	205	33	mass	mass	JJ
43297	205	34	resembling	resembling	NN
43297	205	35	clay	clay	NN
43297	205	36	.	.	.
43297	206	1	The	the	DT
43297	206	2	relative	relative	JJ
43297	206	3	proportions	proportion	NNS
43297	206	4	of	of	IN
43297	206	5	the	the	DT
43297	206	6	colloidal	colloidal	JJ
43297	206	7	material	material	NN
43297	206	8	and	and	CC
43297	206	9	the	the	DT
43297	206	10	sizes	size	NNS
43297	206	11	of	of	IN
43297	206	12	the	the	DT
43297	206	13	non	non	JJ
43297	206	14	-	-	JJ
43297	206	15	plastic	plastic	JJ
43297	206	16	grains	grain	NNS
43297	206	17	will	will	MD
43297	206	18	exercise	exercise	VB
43297	206	19	an	an	DT
43297	206	20	important	important	JJ
43297	206	21	influence	influence	NN
43297	206	22	on	on	IN
43297	206	23	all	all	PDT
43297	206	24	the	the	DT
43297	206	25	physical	physical	JJ
43297	206	26	characteristics	characteristic	NNS
43297	206	27	mentioned	mention	VBN
43297	206	28	above	above	RB
43297	206	29	,	,	,
43297	206	30	and	and	CC
43297	206	31	therefore	therefore	RB
43297	206	32	on	on	IN
43297	206	33	the	the	DT
43297	206	34	plasticity	plasticity	NN
43297	206	35	.	.	.
43297	207	1	The	the	DT
43297	207	2	manner	manner	NN
43297	207	3	in	in	IN
43297	207	4	which	which	WDT
43297	207	5	slightly	slightly	RB
43297	207	6	plastic	plastic	JJ
43297	207	7	clays	clay	NNS
43297	207	8	become	become	VBP
43297	207	9	highly	highly	RB
43297	207	10	plastic	plastic	NN
43297	207	11	in	in	IN
43297	207	12	nature	nature	NN
43297	207	13	is	be	VBZ
43297	207	14	by	by	IN
43297	207	15	no	no	DT
43297	207	16	means	means	NN
43297	207	17	certainly	certainly	RB
43297	207	18	known	know	VBN
43297	207	19	.	.	.
43297	208	1	It	-PRON-	PRP
43297	208	2	has	have	VBZ
43297	208	3	long	long	RB
43297	208	4	been	be	VBN
43297	208	5	understood	understand	VBN
43297	208	6	that	that	IN
43297	208	7	the	the	DT
43297	208	8	increase	increase	NN
43297	208	9	of	of	IN
43297	208	10	plasticity	plasticity	NN
43297	208	11	is	be	VBZ
43297	208	12	due	due	JJ
43297	208	13	to	to	IN
43297	208	14	changes	change	NNS
43297	208	15	undergone	undergo	VBN
43297	208	16	by	by	IN
43297	208	17	the	the	DT
43297	208	18	clay	clay	NN
43297	208	19	during	during	IN
43297	208	20	transportation	transportation	NN
43297	208	21	.	.	.
43297	209	1	The	the	DT
43297	209	2	most	most	RBS
43297	209	3	illuminating	illuminating	JJ
43297	209	4	suggestion	suggestion	NN
43297	209	5	is	be	VBZ
43297	209	6	that	that	DT
43297	209	7	made	make	VBN
43297	209	8	by	by	IN
43297	209	9	Acheson	Acheson	NNP
43297	209	10	in	in	IN
43297	209	11	1902	1902	CD
43297	209	12	,	,	,
43297	209	13	who	who	WP
43297	209	14	concluded	conclude	VBD
43297	209	15	that	that	IN
43297	209	16	it	-PRON-	PRP
43297	209	17	is	be	VBZ
43297	209	18	due	due	JJ
43297	209	19	to	to	IN
43297	209	20	impurities	impurity	NNS
43297	209	21	in	in	IN
43297	209	22	the	the	DT
43297	209	23	water	water	NN
43297	209	24	used	use	VBN
43297	209	25	in	in	IN
43297	209	26	transporting	transport	VBG
43297	209	27	the	the	DT
43297	209	28	clay	clay	NN
43297	209	29	or	or	CC
43297	209	30	remaining	remain	VBG
43297	209	31	in	in	IN
43297	209	32	contact	contact	NN
43297	209	33	with	with	IN
43297	209	34	it	-PRON-	PRP
43297	209	35	during	during	IN
43297	209	36	and	and	CC
43297	209	37	after	after	IN
43297	209	38	its	-PRON-	PRP$
43297	209	39	deposition	deposition	NN
43297	209	40	.	.	.
43297	210	1	These	these	DT
43297	210	2	impurities	impurity	NNS
43297	210	3	may	may	MD
43297	210	4	be	be	VB
43297	210	5	considered	consider	VBN
43297	210	6	as	as	IN
43297	210	7	derived	derive	VBN
43297	210	8	from	from	IN
43297	210	9	the	the	DT
43297	210	10	washings	washing	NNS
43297	210	11	of	of	IN
43297	210	12	forests	forest	NNS
43297	210	13	,	,	,
43297	210	14	and	and	CC
43297	210	15	after	after	IN
43297	210	16	many	many	JJ
43297	210	17	experiments	experiment	NNS
43297	210	18	with	with	IN
43297	210	19	plant	plant	NN
43297	210	20	extracts	extract	VBZ
43297	210	21	Acheson	Acheson	NNP
43297	210	22	believed	believe	VBD
43297	210	23	the	the	DT
43297	210	24	most	most	RBS
43297	210	25	important	important	JJ
43297	210	26	substance	substance	NN
43297	210	27	in	in	IN
43297	210	28	this	this	DT
43297	210	29	connection	connection	NN
43297	210	30	to	to	TO
43297	210	31	be	be	VB
43297	210	32	tannin	tannin	NN
43297	210	33	or	or	CC
43297	210	34	gallo	gallo	NN
43297	210	35	-	-	HYPH
43297	210	36	tannic	tannic	NN
43297	210	37	acid	acid	NN
43297	210	38	,	,	,
43297	210	39	a	a	DT
43297	210	40	dilute	dilute	NN
43297	210	41	solution	solution	NN
43297	210	42	of	of	IN
43297	210	43	which	which	WDT
43297	210	44	he	-PRON-	PRP
43297	210	45	found	find	VBD
43297	210	46	increased	increase	VBD
43297	210	47	the	the	DT
43297	210	48	plasticity	plasticity	NN
43297	210	49	of	of	IN
43297	210	50	china	china	NNP
43297	210	51	clay	clay	NNP
43297	210	52	by	by	IN
43297	210	53	300	300	CD
43297	210	54	per	per	NN
43297	210	55	cent	cent	NN
43297	210	56	.	.	.
43297	211	1	From	from	IN
43297	211	2	this	this	DT
43297	211	3	he	-PRON-	PRP
43297	211	4	further	further	RB
43297	211	5	argued	argue	VBD
43297	211	6	that	that	IN
43297	211	7	the	the	DT
43297	211	8	use	use	NN
43297	211	9	of	of	IN
43297	211	10	chopped	chopped	JJ
43297	211	11	straw	straw	NN
43297	211	12	by	by	IN
43297	211	13	the	the	DT
43297	211	14	Israelites	Israelites	NNPS
43297	211	15	in	in	IN
43297	211	16	Egypt	Egypt	NNP
43297	211	17	in	in	IN
43297	211	18	the	the	DT
43297	211	19	manufacture	manufacture	NN
43297	211	20	of	of	IN
43297	211	21	bricks	brick	NNS
43297	211	22	was	be	VBD
43297	211	23	unconsciously	unconsciously	RB
43297	211	24	based	base	VBN
43297	211	25	on	on	IN
43297	211	26	the	the	DT
43297	211	27	tannin	tannin	NN
43297	211	28	content	content	NN
43297	211	29	of	of	IN
43297	211	30	the	the	DT
43297	211	31	straw	straw	NN
43297	211	32	increasing	increase	VBG
43297	211	33	the	the	DT
43297	211	34	plasticity	plasticity	NN
43297	211	35	of	of	IN
43297	211	36	the	the	DT
43297	211	37	material	material	NN
43297	211	38	.	.	.
43297	212	1	[	[	-LRB-
43297	212	2	Illustration	illustration	NN
43297	212	3	:	:	:
43297	212	4	Fig	Fig	NNP
43297	212	5	.	.	.
43297	213	1	5	5	CD
43297	213	2	.	.	.
43297	214	1	Chart	chart	NN
43297	214	2	showing	show	VBG
43297	214	3	rates	rate	NNS
43297	214	4	of	of	IN
43297	214	5	drying	dry	VBG
43297	214	6	.	.	.
43297	215	1	(	(	-LRB-
43297	215	2	_	_	NNP
43297	215	3	After	after	IN
43297	215	4	Bleininger	Bleininger	NNP
43297	215	5	.	.	.
43297	215	6	_	_	NNP
43297	215	7	)	)	-RRB-
43297	215	8	]	]	-RRB-
43297	215	9	Beadle	Beadle	NNP
43297	215	10	has	have	VBZ
43297	215	11	stated	state	VBN
43297	215	12	that	that	IN
43297	215	13	2	2	CD
43297	215	14	per	per	NN
43297	215	15	cent	cent	NN
43297	215	16	.	.	.
43297	216	1	of	of	IN
43297	216	2	dissolved	dissolve	VBN
43297	216	3	cellulose	cellulose	NNP
43297	216	4	will	will	MD
43297	216	5	increase	increase	VB
43297	216	6	the	the	DT
43297	216	7	plasticity	plasticity	NN
43297	216	8	of	of	IN
43297	216	9	china	china	NNP
43297	216	10	clay	clay	NNP
43297	216	11	and	and	CC
43297	216	12	make	make	VB
43297	216	13	it	-PRON-	PRP
43297	216	14	equal	equal	JJ
43297	216	15	to	to	IN
43297	216	16	that	that	DT
43297	216	17	of	of	IN
43297	216	18	ordinary	ordinary	JJ
43297	216	19	clay	clay	NN
43297	216	20	.	.	.
43297	217	1	Plasticity	plasticity	NN
43297	217	2	is	be	VBZ
43297	217	3	diminished	diminish	VBN
43297	217	4	by	by	IN
43297	217	5	heating	heat	VBG
43297	217	6	clays	clay	NNS
43297	217	7	,	,	,
43297	217	8	and	and	CC
43297	217	9	whilst	whilst	IN
43297	217	10	much	much	JJ
43297	217	11	of	of	IN
43297	217	12	it	-PRON-	PRP
43297	217	13	may	may	MD
43297	217	14	be	be	VB
43297	217	15	recovered	recover	VBN
43297	217	16	if	if	IN
43297	217	17	the	the	DT
43297	217	18	temperature	temperature	NN
43297	217	19	has	have	VBZ
43297	217	20	not	not	RB
43297	217	21	risen	rise	VBN
43297	217	22	above	above	IN
43297	217	23	400	400	CD
43297	217	24	°	°	NNS
43297	217	25	C.	C.	NNP
43297	217	26	it	-PRON-	PRP
43297	217	27	can	can	MD
43297	217	28	not	not	RB
43297	217	29	be	be	VB
43297	217	30	completely	completely	RB
43297	217	31	restored	restore	VBN
43297	217	32	.	.	.
43297	218	1	Moreover	moreover	RB
43297	218	2	,	,	,
43297	218	3	a	a	DT
43297	218	4	clay	clay	NN
43297	218	5	which	which	WDT
43297	218	6	has	have	VBZ
43297	218	7	once	once	RB
43297	218	8	been	be	VBN
43297	218	9	heated	heat	VBN
43297	218	10	to	to	IN
43297	218	11	a	a	DT
43297	218	12	temperature	temperature	NN
43297	218	13	above	above	IN
43297	218	14	100	100	CD
43297	218	15	°	°	NNS
43297	218	16	C.	C.	NNP
43297	218	17	dries	dry	NNS
43297	218	18	in	in	IN
43297	218	19	a	a	DT
43297	218	20	somewhat	somewhat	RB
43297	218	21	different	different	JJ
43297	218	22	manner	manner	NN
43297	218	23	to	to	IN
43297	218	24	a	a	DT
43297	218	25	raw	raw	JJ
43297	218	26	clay	clay	NN
43297	218	27	.	.	.
43297	219	1	This	this	DT
43297	219	2	is	be	VBZ
43297	219	3	well	well	RB
43297	219	4	shown	show	VBN
43297	219	5	in	in	IN
43297	219	6	fig	fig	NN
43297	219	7	.	.	.
43297	220	1	5	5	CD
43297	220	2	in	in	IN
43297	220	3	which	which	WDT
43297	220	4	are	be	VBP
43297	220	5	summarized	summarize	VBN
43297	220	6	the	the	DT
43297	220	7	results	result	NNS
43297	220	8	obtained	obtain	VBN
43297	220	9	by	by	IN
43297	220	10	A.	a.	NN
43297	220	11	V.	V.	NNP
43297	220	12	Bleininger	Bleininger	NNP
43297	220	13	on	on	IN
43297	220	14	a	a	DT
43297	220	15	sample	sample	NN
43297	220	16	of	of	IN
43297	220	17	ball	ball	NN
43297	220	18	clay	clay	NN
43297	220	19	from	from	IN
43297	220	20	Dorset	Dorset	NNP
43297	220	21	before	before	IN
43297	220	22	heating	heating	NN
43297	220	23	and	and	CC
43297	220	24	after	after	IN
43297	220	25	portions	portion	NNS
43297	220	26	of	of	IN
43297	220	27	it	-PRON-	PRP
43297	220	28	had	have	VBD
43297	220	29	been	be	VBN
43297	220	30	heated	heat	VBN
43297	220	31	for	for	IN
43297	220	32	16	16	CD
43297	220	33	hours	hour	NNS
43297	220	34	to	to	IN
43297	220	35	200	200	CD
43297	220	36	°	°	NNS
43297	220	37	,	,	,
43297	220	38	250	250	CD
43297	220	39	°	°	NNS
43297	220	40	,	,	,
43297	220	41	300	300	CD
43297	220	42	°	°	NNS
43297	220	43	,	,	,
43297	220	44	350	350	CD
43297	220	45	°	°	NNS
43297	220	46	and	and	CC
43297	220	47	400	400	CD
43297	220	48	°	°	,
43297	220	49	C.	C.	NNP
43297	220	50	respectively	respectively	RB
43297	220	51	.	.	.
43297	221	1	It	-PRON-	PRP
43297	221	2	is	be	VBZ
43297	221	3	not	not	RB
43297	221	4	impossible	impossible	JJ
43297	221	5	that	that	IN
43297	221	6	if	if	IN
43297	221	7	subjected	subject	VBN
43297	221	8	to	to	IN
43297	221	9	the	the	DT
43297	221	10	influence	influence	NN
43297	221	11	of	of	IN
43297	221	12	water	water	NN
43297	221	13	for	for	IN
43297	221	14	a	a	DT
43297	221	15	sufficiently	sufficiently	RB
43297	221	16	long	long	JJ
43297	221	17	time	time	NN
43297	221	18	the	the	DT
43297	221	19	whole	whole	NN
43297	221	20	of	of	IN
43297	221	21	the	the	DT
43297	221	22	plasticity	plasticity	NN
43297	221	23	of	of	IN
43297	221	24	a	a	DT
43297	221	25	heated	heat	VBN
43297	221	26	clay	clay	NN
43297	221	27	may	may	MD
43297	221	28	be	be	VB
43297	221	29	restored	restore	VBN
43297	221	30	,	,	,
43297	221	31	providing	provide	VBG
43297	221	32	that	that	IN
43297	221	33	the	the	DT
43297	221	34	temperature	temperature	NN
43297	221	35	has	have	VBZ
43297	221	36	not	not	RB
43297	221	37	been	be	VBN
43297	221	38	sufficient	sufficient	JJ
43297	221	39	to	to	TO
43297	221	40	cause	cause	VB
43297	221	41	a	a	DT
43297	221	42	destruction	destruction	NN
43297	221	43	of	of	IN
43297	221	44	the	the	DT
43297	221	45	clay	clay	NN
43297	221	46	molecule	molecule	NN
43297	221	47	,	,	,
43297	221	48	but	but	CC
43297	221	49	as	as	IN
43297	221	50	this	this	DT
43297	221	51	resumption	resumption	NN
43297	221	52	requires	require	VBZ
43297	221	53	a	a	DT
43297	221	54	certain	certain	JJ
43297	221	55	amount	amount	NN
43297	221	56	of	of	IN
43297	221	57	time	time	NN
43297	221	58	,	,	,
43297	221	59	Bleininger	Bleininger	NNP
43297	221	60	has	have	VBZ
43297	221	61	proposed	propose	VBN
43297	221	62	to	to	TO
43297	221	63	use	use	VB
43297	221	64	the	the	DT
43297	221	65	reduction	reduction	NN
43297	221	66	in	in	IN
43297	221	67	plasticity	plasticity	NN
43297	221	68	effected	effect	VBN
43297	221	69	by	by	IN
43297	221	70	the	the	DT
43297	221	71	heating	heating	NN
43297	221	72	to	to	TO
43297	221	73	enable	enable	VB
43297	221	74	excessively	excessively	RB
43297	221	75	plastic	plastic	JJ
43297	221	76	clays	clay	NNS
43297	221	77	to	to	TO
43297	221	78	be	be	VB
43297	221	79	worked	work	VBN
43297	221	80	without	without	IN
43297	221	81	the	the	DT
43297	221	82	necessity	necessity	NN
43297	221	83	of	of	IN
43297	221	84	adding	add	VBG
43297	221	85	non	non	JJ
43297	221	86	-	-	JJ
43297	221	87	plastic	plastic	JJ
43297	221	88	material	material	NN
43297	221	89	to	to	IN
43297	221	90	them	-PRON-	PRP
43297	221	91	.	.	.
43297	222	1	If	if	IN
43297	222	2	any	any	DT
43297	222	3	destruction	destruction	NN
43297	222	4	of	of	IN
43297	222	5	the	the	DT
43297	222	6	clay	clay	NN
43297	222	7	-	-	HYPH
43297	222	8	molecules	molecule	NNS
43297	222	9	has	have	VBZ
43297	222	10	occurred	occur	VBN
43297	222	11	,	,	,
43297	222	12	the	the	DT
43297	222	13	plasticity	plasticity	NN
43297	222	14	of	of	IN
43297	222	15	that	that	DT
43297	222	16	portion	portion	NN
43297	222	17	of	of	IN
43297	222	18	the	the	DT
43297	222	19	clay	clay	NN
43297	222	20	can	can	MD
43297	222	21	never	never	RB
43297	222	22	be	be	VB
43297	222	23	restored	restore	VBN
43297	222	24	.	.	.
43297	223	1	The	the	DT
43297	223	2	_	_	NNP
43297	223	3	binding	bind	VBG
43297	223	4	power	power	NN
43297	223	5	_	_	NNP
43297	223	6	of	of	IN
43297	223	7	clays	clay	NNS
43297	223	8	is	be	VBZ
43297	223	9	a	a	DT
43297	223	10	characteristic	characteristic	JJ
43297	223	11	closely	closely	RB
43297	223	12	connected	connect	VBN
43297	223	13	with	with	IN
43297	223	14	plasticity	plasticity	NN
43297	223	15	and	and	CC
43297	223	16	occasionally	occasionally	RB
43297	223	17	confused	confuse	VBD
43297	223	18	with	with	IN
43297	223	19	it	-PRON-	PRP
43297	223	20	.	.	.
43297	224	1	All	all	DT
43297	224	2	plastic	plastic	NN
43297	224	3	clays	clay	NNS
43297	224	4	have	have	VBP
43297	224	5	the	the	DT
43297	224	6	power	power	NN
43297	224	7	of	of	IN
43297	224	8	remaining	remain	VBG
43297	224	9	plastic	plastic	NN
43297	224	10	when	when	WRB
43297	224	11	mixed	mix	VBN
43297	224	12	with	with	IN
43297	224	13	materials	material	NNS
43297	224	14	such	such	JJ
43297	224	15	as	as	IN
43297	224	16	sand	sand	NN
43297	224	17	,	,	,
43297	224	18	brick	brick	NN
43297	224	19	-	-	HYPH
43297	224	20	dust	dust	NN
43297	224	21	(	(	-LRB-
43297	224	22	'	'	``
43297	224	23	grog	grog	NNP
43297	224	24	'	'	''
43297	224	25	)	)	-RRB-
43297	224	26	and	and	CC
43297	224	27	other	other	JJ
43297	224	28	materials	material	NNS
43297	224	29	which	which	WDT
43297	224	30	are	be	VBP
43297	224	31	quite	quite	RB
43297	224	32	devoid	devoid	JJ
43297	224	33	of	of	IN
43297	224	34	plasticity	plasticity	NN
43297	224	35	.	.	.
43297	225	1	The	the	DT
43297	225	2	extent	extent	NN
43297	225	3	to	to	TO
43297	225	4	which	which	WDT
43297	225	5	a	a	DT
43297	225	6	clay	clay	NN
43297	225	7	can	can	MD
43297	225	8	thus	thus	RB
43297	225	9	bind	bind	VB
43297	225	10	other	other	JJ
43297	225	11	materials	material	NNS
43297	225	12	together	together	RB
43297	225	13	into	into	IN
43297	225	14	a	a	DT
43297	225	15	plastic	plastic	JJ
43297	225	16	mass	mass	NN
43297	225	17	depends	depend	VBZ
43297	225	18	,	,	,
43297	225	19	apparently	apparently	RB
43297	225	20	,	,	,
43297	225	21	on	on	IN
43297	225	22	the	the	DT
43297	225	23	plasticity	plasticity	NN
43297	225	24	of	of	IN
43297	225	25	the	the	DT
43297	225	26	clay	clay	NN
43297	225	27	itself	-PRON-	PRP
43297	225	28	and	and	CC
43297	225	29	on	on	IN
43297	225	30	the	the	DT
43297	225	31	size	size	NN
43297	225	32	and	and	CC
43297	225	33	nature	nature	NN
43297	225	34	of	of	IN
43297	225	35	the	the	DT
43297	225	36	particles	particle	NNS
43297	225	37	of	of	IN
43297	225	38	the	the	DT
43297	225	39	added	add	VBN
43297	225	40	material	material	NN
43297	225	41	;	;	:
43297	225	42	the	the	DT
43297	225	43	more	more	RBR
43297	225	44	plastic	plastic	NN
43297	225	45	the	the	DT
43297	225	46	clay	clay	NN
43297	225	47	the	the	DT
43297	225	48	larger	large	JJR
43297	225	49	will	will	MD
43297	225	50	be	be	VB
43297	225	51	the	the	DT
43297	225	52	amount	amount	NN
43297	225	53	of	of	IN
43297	225	54	material	material	NN
43297	225	55	it	-PRON-	PRP
43297	225	56	can	can	MD
43297	225	57	thus	thus	RB
43297	225	58	'	'	``
43297	225	59	bind	bind	VB
43297	225	60	,	,	,
43297	225	61	'	'	''
43297	225	62	and	and	CC
43297	225	63	the	the	DT
43297	225	64	finer	fine	JJR
43297	225	65	the	the	DT
43297	225	66	latter	latter	JJ
43297	225	67	the	the	DT
43297	225	68	more	more	RBR
43297	225	69	easily	easily	RB
43297	225	70	will	will	MD
43297	225	71	it	-PRON-	PRP
43297	225	72	form	form	VB
43297	225	73	a	a	DT
43297	225	74	strong	strong	JJ
43297	225	75	material	material	NN
43297	225	76	when	when	WRB
43297	225	77	mixed	mix	VBN
43297	225	78	with	with	IN
43297	225	79	a	a	DT
43297	225	80	plastic	plastic	JJ
43297	225	81	clay	clay	NN
43297	225	82	.	.	.
43297	226	1	Rohland	Rohland	NNP
43297	226	2	(	(	-LRB-
43297	226	3	5	5	CD
43297	226	4	)	)	-RRB-
43297	226	5	has	have	VBZ
43297	226	6	shown	show	VBN
43297	226	7	that	that	IN
43297	226	8	the	the	DT
43297	226	9	binding	bind	VBG
43297	226	10	power	power	NN
43297	226	11	of	of	IN
43297	226	12	clay	clay	NN
43297	226	13	is	be	VBZ
43297	226	14	not	not	RB
43297	226	15	alone	alone	JJ
43297	226	16	due	due	JJ
43297	226	17	to	to	IN
43297	226	18	its	-PRON-	PRP$
43297	226	19	cohesion	cohesion	NN
43297	226	20	,	,	,
43297	226	21	but	but	CC
43297	226	22	that	that	IN
43297	226	23	it	-PRON-	PRP
43297	226	24	is	be	VBZ
43297	226	25	closely	closely	RB
43297	226	26	associated	associate	VBN
43297	226	27	with	with	IN
43297	226	28	the	the	DT
43297	226	29	colloidal	colloidal	JJ
43297	226	30	nature	nature	NN
43297	226	31	of	of	IN
43297	226	32	plastic	plastic	JJ
43297	226	33	clays	clay	NNS
43297	226	34	:	:	:
43297	226	35	'	'	``
43297	226	36	fat	fat	NN
43297	226	37	'	'	''
43297	226	38	clays	clay	NNS
43297	226	39	being	be	VBG
43297	226	40	those	those	DT
43297	226	41	which	which	WDT
43297	226	42	are	be	VBP
43297	226	43	highly	highly	RB
43297	226	44	colloidal	colloidal	JJ
43297	226	45	,	,	,
43297	226	46	highly	highly	RB
43297	226	47	plastic	plastic	NN
43297	226	48	and	and	CC
43297	226	49	possessing	possess	VBG
43297	226	50	great	great	JJ
43297	226	51	binding	bind	VBG
43297	226	52	power	power	NN
43297	226	53	,	,	,
43297	226	54	whilst	whilst	IN
43297	226	55	'	'	``
43297	226	56	lean	lean	JJ
43297	226	57	'	'	''
43297	226	58	clays	clay	NNS
43297	226	59	are	be	VBP
43297	226	60	those	those	DT
43297	226	61	deficient	deficient	JJ
43297	226	62	in	in	IN
43297	226	63	these	these	DT
43297	226	64	characteristics	characteristic	NNS
43297	226	65	.	.	.
43297	227	1	The	the	DT
43297	227	2	fact	fact	NN
43297	227	3	that	that	IN
43297	227	4	,	,	,
43297	227	5	as	as	IN
43297	227	6	a	a	DT
43297	227	7	general	general	JJ
43297	227	8	rule	rule	NN
43297	227	9	,	,	,
43297	227	10	the	the	DT
43297	227	11	dark	dark	JJ
43297	227	12	coloured	coloured	JJ
43297	227	13	clays	clay	NNS
43297	227	14	possess	possess	VBP
43297	227	15	the	the	DT
43297	227	16	most	most	RBS
43297	227	17	binding	binding	JJ
43297	227	18	power	power	NN
43297	227	19	,	,	,
43297	227	20	confirms	confirm	VBZ
43297	227	21	this	this	DT
43297	227	22	suggestion	suggestion	NN
43297	227	23	,	,	,
43297	227	24	as	as	IN
43297	227	25	the	the	DT
43297	227	26	dark	dark	JJ
43297	227	27	colour	colour	NN
43297	227	28	is	be	VBZ
43297	227	29	largely	largely	RB
43297	227	30	due	due	JJ
43297	227	31	to	to	IN
43297	227	32	organic	organic	JJ
43297	227	33	materials	material	NNS
43297	227	34	,	,	,
43297	227	35	probably	probably	RB
43297	227	36	in	in	IN
43297	227	37	a	a	DT
43297	227	38	colloidal	colloidal	JJ
43297	227	39	state	state	NN
43297	227	40	.	.	.
43297	228	1	The	the	DT
43297	228	2	_	_	NNP
43297	228	3	shrinkage	shrinkage	NN
43297	228	4	_	_	NNP
43297	228	5	which	which	WDT
43297	228	6	all	all	DT
43297	228	7	clays	clay	NNS
43297	228	8	undergo	undergo	VBP
43297	228	9	on	on	IN
43297	228	10	drying	drying	NN
43297	228	11	and	and	CC
43297	228	12	when	when	WRB
43297	228	13	heated	heat	VBN
43297	228	14	is	be	VBZ
43297	228	15	another	another	DT
43297	228	16	important	important	JJ
43297	228	17	characteristic	characteristic	NN
43297	228	18	.	.	.
43297	229	1	It	-PRON-	PRP
43297	229	2	is	be	VBZ
43297	229	3	due	due	JJ
43297	229	4	to	to	IN
43297	229	5	the	the	DT
43297	229	6	fact	fact	NN
43297	229	7	that	that	IN
43297	229	8	as	as	IN
43297	229	9	water	water	NN
43297	229	10	is	be	VBZ
43297	229	11	removed	remove	VBN
43297	229	12	the	the	DT
43297	229	13	solid	solid	JJ
43297	229	14	particles	particle	NNS
43297	229	15	approach	approach	VBP
43297	229	16	closer	close	RBR
43297	229	17	to	to	IN
43297	229	18	each	each	DT
43297	229	19	other	other	JJ
43297	229	20	,	,	,
43297	229	21	the	the	DT
43297	229	22	volume	volume	NN
43297	229	23	of	of	IN
43297	229	24	the	the	DT
43297	229	25	whole	whole	JJ
43297	229	26	mass	mass	NN
43297	229	27	being	be	VBG
43297	229	28	thereby	thereby	RB
43297	229	29	reduced	reduce	VBN
43297	229	30	.	.	.
43297	230	1	In	in	IN
43297	230	2	a	a	DT
43297	230	3	wet	wet	JJ
43297	230	4	piece	piece	NN
43297	230	5	of	of	IN
43297	230	6	clay	clay	NN
43297	230	7	each	each	DT
43297	230	8	particle	particle	NN
43297	230	9	is	be	VBZ
43297	230	10	surrounded	surround	VBN
43297	230	11	by	by	IN
43297	230	12	a	a	DT
43297	230	13	film	film	NN
43297	230	14	of	of	IN
43297	230	15	water	water	NN
43297	230	16	,	,	,
43297	230	17	the	the	DT
43297	230	18	thickness	thickness	NN
43297	230	19	of	of	IN
43297	230	20	which	which	WDT
43297	230	21	depends	depend	VBZ
43297	230	22	on	on	IN
43297	230	23	the	the	DT
43297	230	24	nature	nature	NN
43297	230	25	of	of	IN
43297	230	26	the	the	DT
43297	230	27	clay	clay	NN
43297	230	28	.	.	.
43297	231	1	As	as	IN
43297	231	2	this	this	DT
43297	231	3	water	water	NN
43297	231	4	evaporates	evaporate	VBZ
43297	231	5	from	from	IN
43297	231	6	the	the	DT
43297	231	7	surface	surface	NN
43297	231	8	of	of	IN
43297	231	9	the	the	DT
43297	231	10	clay	clay	NN
43297	231	11	its	-PRON-	PRP$
43297	231	12	place	place	NN
43297	231	13	is	be	VBZ
43297	231	14	taken	take	VBN
43297	231	15	by	by	IN
43297	231	16	water	water	NN
43297	231	17	from	from	IN
43297	231	18	the	the	DT
43297	231	19	interior	interior	NNP
43297	231	20	which	which	WDT
43297	231	21	rises	rise	VBZ
43297	231	22	to	to	IN
43297	231	23	the	the	DT
43297	231	24	surface	surface	NN
43297	231	25	by	by	IN
43297	231	26	capillary	capillary	JJ
43297	231	27	attraction	attraction	NN
43297	231	28	.	.	.
43297	232	1	So	so	RB
43297	232	2	long	long	RB
43297	232	3	as	as	IN
43297	232	4	there	there	EX
43297	232	5	is	be	VBZ
43297	232	6	any	any	DT
43297	232	7	water	water	NN
43297	232	8	between	between	IN
43297	232	9	the	the	DT
43297	232	10	particles	particle	NNS
43297	232	11	of	of	IN
43297	232	12	clay	clay	NN
43297	232	13	there	there	EX
43297	232	14	will	will	MD
43297	232	15	be	be	VB
43297	232	16	shrinkage	shrinkage	NN
43297	232	17	when	when	WRB
43297	232	18	this	this	DT
43297	232	19	water	water	NN
43297	232	20	is	be	VBZ
43297	232	21	removed	remove	VBN
43297	232	22	,	,	,
43297	232	23	but	but	CC
43297	232	24	a	a	DT
43297	232	25	stage	stage	NN
43297	232	26	is	be	VBZ
43297	232	27	eventually	eventually	RB
43297	232	28	reached	reach	VBN
43297	232	29	when	when	WRB
43297	232	30	the	the	DT
43297	232	31	particles	particle	NNS
43297	232	32	of	of	IN
43297	232	33	clay	clay	NN
43297	232	34	are	be	VBP
43297	232	35	in	in	IN
43297	232	36	contact	contact	NN
43297	232	37	with	with	IN
43297	232	38	each	each	DT
43297	232	39	other	other	JJ
43297	232	40	and	and	CC
43297	232	41	no	no	DT
43297	232	42	more	more	JJR
43297	232	43	shrinkage	shrinkage	NN
43297	232	44	can	can	MD
43297	232	45	occur	occur	VB
43297	232	46	.	.	.
43297	233	1	That	that	IN
43297	233	2	this	this	DT
43297	233	3	cessation	cessation	NN
43297	233	4	of	of	IN
43297	233	5	shrinkage	shrinkage	NN
43297	233	6	may	may	MD
43297	233	7	take	take	VB
43297	233	8	place	place	NN
43297	233	9	before	before	IN
43297	233	10	all	all	PDT
43297	233	11	the	the	DT
43297	233	12	water	water	NN
43297	233	13	has	have	VBZ
43297	233	14	been	be	VBN
43297	233	15	removed	remove	VBN
43297	233	16	from	from	IN
43297	233	17	the	the	DT
43297	233	18	clay	clay	NN
43297	233	19	is	be	VBZ
43297	233	20	easily	easily	RB
43297	233	21	understood	understand	VBN
43297	233	22	when	when	WRB
43297	233	23	it	-PRON-	PRP
43297	233	24	is	be	VBZ
43297	233	25	remembered	remember	VBN
43297	233	26	that	that	IN
43297	233	27	whilst	whilst	IN
43297	233	28	the	the	DT
43297	233	29	clay	clay	NN
43297	233	30	particles	particle	NNS
43297	233	31	may	may	MD
43297	233	32	be	be	VB
43297	233	33	in	in	IN
43297	233	34	contact	contact	NN
43297	233	35	,	,	,
43297	233	36	yet	yet	CC
43297	233	37	there	there	EX
43297	233	38	are	be	VBP
43297	233	39	still	still	RB
43297	233	40	places	place	NNS
43297	233	41	(	(	-LRB-
43297	233	42	pores	pore	NNS
43297	233	43	)	)	-RRB-
43297	233	44	where	where	WRB
43297	233	45	the	the	DT
43297	233	46	contact	contact	NN
43297	233	47	is	be	VBZ
43297	233	48	incomplete	incomplete	JJ
43297	233	49	,	,	,
43297	233	50	and	and	CC
43297	233	51	in	in	IN
43297	233	52	these	these	DT
43297	233	53	pores	pore	NNS
43297	233	54	water	water	NN
43297	233	55	may	may	MD
43297	233	56	be	be	VB
43297	233	57	retained	retain	VBN
43297	233	58	.	.	.
43297	234	1	The	the	DT
43297	234	2	amount	amount	NN
43297	234	3	of	of	IN
43297	234	4	shrinkage	shrinkage	NN
43297	234	5	clays	clay	NNS
43297	234	6	undergo	undergo	VBP
43297	234	7	on	on	IN
43297	234	8	drying	drying	NN
43297	234	9	depends	depend	VBZ
43297	234	10	partly	partly	RB
43297	234	11	on	on	IN
43297	234	12	the	the	DT
43297	234	13	proportion	proportion	NN
43297	234	14	of	of	IN
43297	234	15	water	water	NN
43297	234	16	added	add	VBN
43297	234	17	to	to	IN
43297	234	18	them	-PRON-	PRP
43297	234	19	and	and	CC
43297	234	20	partly	partly	RB
43297	234	21	on	on	IN
43297	234	22	the	the	DT
43297	234	23	sizes	size	NNS
43297	234	24	of	of	IN
43297	234	25	the	the	DT
43297	234	26	different	different	JJ
43297	234	27	particles	particle	NNS
43297	234	28	of	of	IN
43297	234	29	clay	clay	NN
43297	234	30	,	,	,
43297	234	31	sand	sand	NN
43297	234	32	,	,	,
43297	234	33	etc	etc	FW
43297	234	34	.	.	.
43297	235	1	present	present	JJ
43297	235	2	.	.	.
43297	236	1	An	an	DT
43297	236	2	average	average	JJ
43297	236	3	reduction	reduction	NN
43297	236	4	in	in	IN
43297	236	5	volume	volume	NN
43297	236	6	of	of	IN
43297	236	7	12	12	CD
43297	236	8	to	to	TO
43297	236	9	38	38	CD
43297	236	10	per	per	NN
43297	236	11	cent	cent	NN
43297	236	12	.	.	.
43297	237	1	may	may	MD
43297	237	2	be	be	VB
43297	237	3	regarded	regard	VBN
43297	237	4	as	as	IN
43297	237	5	normal	normal	JJ
43297	237	6	,	,	,
43297	237	7	but	but	CC
43297	237	8	coarse	coarse	JJ
43297	237	9	loams	loam	NNS
43297	237	10	may	may	MD
43297	237	11	shrink	shrink	VB
43297	237	12	only	only	RB
43297	237	13	1	1	CD
43297	237	14	per	per	NN
43297	237	15	cent	cent	NN
43297	237	16	.	.	.
43297	238	1	and	and	CC
43297	238	2	very	very	RB
43297	238	3	finely	finely	RB
43297	238	4	ground	ground	VBP
43297	238	5	,	,	,
43297	238	6	highly	highly	RB
43297	238	7	plastic	plastic	JJ
43297	238	8	ball	ball	NN
43297	238	9	clays	clay	NNS
43297	238	10	may	may	MD
43297	238	11	shrink	shrink	VB
43297	238	12	as	as	RB
43297	238	13	much	much	JJ
43297	238	14	as	as	IN
43297	238	15	50	50	CD
43297	238	16	per	per	NN
43297	238	17	cent	cent	NN
43297	238	18	.	.	.
43297	238	19	,	,	,
43297	238	20	though	though	IN
43297	238	21	this	this	DT
43297	238	22	is	be	VBZ
43297	238	23	unusual	unusual	JJ
43297	238	24	.	.	.
43297	239	1	As	as	IN
43297	239	2	all	all	DT
43297	239	3	coagulated	coagulate	VBN
43297	239	4	colloids	colloid	NNS
43297	239	5	,	,	,
43297	239	6	which	which	WDT
43297	239	7	have	have	VBP
43297	239	8	absorbed	absorb	VBN
43297	239	9	water	water	NN
43297	239	10	,	,	,
43297	239	11	shrink	shrink	VB
43297	239	12	on	on	IN
43297	239	13	drying	drying	NN
43297	239	14	,	,	,
43297	239	15	this	this	DT
43297	239	16	behaviour	behaviour	NN
43297	239	17	of	of	IN
43297	239	18	clay	clay	NN
43297	239	19	appears	appear	VBZ
43297	239	20	to	to	TO
43297	239	21	confirm	confirm	VB
43297	239	22	the	the	DT
43297	239	23	view	view	NN
43297	239	24	as	as	IN
43297	239	25	to	to	IN
43297	239	26	its	-PRON-	PRP$
43297	239	27	partially	partially	RB
43297	239	28	colloidal	colloidal	JJ
43297	239	29	nature	nature	NN
43297	239	30	held	hold	VBN
43297	239	31	by	by	IN
43297	239	32	some	some	DT
43297	239	33	investigators	investigator	NNS
43297	239	34	.	.	.
43297	240	1	When	when	WRB
43297	240	2	a	a	DT
43297	240	3	piece	piece	NN
43297	240	4	of	of	IN
43297	240	5	dry	dry	JJ
43297	240	6	clay	clay	NN
43297	240	7	is	be	VBZ
43297	240	8	heated	heat	VBN
43297	240	9	sufficiently	sufficiently	RB
43297	240	10	a	a	DT
43297	240	11	further	further	JJ
43297	240	12	shrinkage	shrinkage	NN
43297	240	13	(	(	-LRB-
43297	240	14	technically	technically	RB
43297	240	15	known	know	VBN
43297	240	16	as	as	IN
43297	240	17	_	_	NNP
43297	240	18	kiln	kiln	NNP
43297	240	19	shrinkage	shrinkage	NN
43297	240	20	_	_	NNP
43297	240	21	)	)	-RRB-
43297	240	22	occurs	occur	VBZ
43297	240	23	.	.	.
43297	241	1	This	this	DT
43297	241	2	begins	begin	VBZ
43297	241	3	somewhat	somewhat	RB
43297	241	4	below	below	IN
43297	241	5	a	a	DT
43297	241	6	red	red	JJ
43297	241	7	heat	heat	NN
43297	241	8	and	and	CC
43297	241	9	increases	increase	NNS
43297	241	10	in	in	IN
43297	241	11	rough	rough	JJ
43297	241	12	proportion	proportion	NN
43297	241	13	to	to	IN
43297	241	14	the	the	DT
43297	241	15	temperature	temperature	NN
43297	241	16	and	and	CC
43297	241	17	the	the	DT
43297	241	18	duration	duration	NN
43297	241	19	of	of	IN
43297	241	20	the	the	DT
43297	241	21	heating	heating	NN
43297	241	22	.	.	.
43297	242	1	Prolonged	prolonged	JJ
43297	242	2	heating	heating	NN
43297	242	3	at	at	IN
43297	242	4	a	a	DT
43297	242	5	lower	low	JJR
43297	242	6	temperature	temperature	NN
43297	242	7	will	will	MD
43297	242	8	effect	effect	VB
43297	242	9	the	the	DT
43297	242	10	same	same	JJ
43297	242	11	amount	amount	NN
43297	242	12	of	of	IN
43297	242	13	shrinkage	shrinkage	NN
43297	242	14	as	as	IN
43297	242	15	a	a	DT
43297	242	16	short	short	JJ
43297	242	17	exposure	exposure	NN
43297	242	18	to	to	IN
43297	242	19	a	a	DT
43297	242	20	higher	high	JJR
43297	242	21	temperature	temperature	NN
43297	242	22	,	,	,
43297	242	23	but	but	CC
43297	242	24	though	though	IN
43297	242	25	the	the	DT
43297	242	26	greater	great	JJR
43297	242	27	part	part	NN
43297	242	28	of	of	IN
43297	242	29	the	the	DT
43297	242	30	shrinkage	shrinkage	NN
43297	242	31	occurs	occur	VBZ
43297	242	32	in	in	IN
43297	242	33	a	a	DT
43297	242	34	comparatively	comparatively	RB
43297	242	35	short	short	JJ
43297	242	36	time	time	NN
43297	242	37	,	,	,
43297	242	38	continued	continued	JJ
43297	242	39	heating	heating	NN
43297	242	40	will	will	MD
43297	242	41	be	be	VB
43297	242	42	accompanied	accompany	VBN
43297	242	43	by	by	IN
43297	242	44	a	a	DT
43297	242	45	further	further	JJ
43297	242	46	reduction	reduction	NN
43297	242	47	in	in	IN
43297	242	48	volume	volume	NN
43297	242	49	.	.	.
43297	243	1	This	this	DT
43297	243	2	is	be	VBZ
43297	243	3	due	due	JJ
43297	243	4	to	to	IN
43297	243	5	the	the	DT
43297	243	6	fact	fact	NN
43297	243	7	that	that	IN
43297	243	8	clays	clay	NNS
43297	243	9	have	have	VBP
43297	243	10	no	no	DT
43297	243	11	definite	definite	JJ
43297	243	12	melting	melting	NN
43297	243	13	point	point	NN
43297	243	14	,	,	,
43297	243	15	but	but	CC
43297	243	16	undergo	undergo	VBP
43297	243	17	partial	partial	JJ
43297	243	18	fusion	fusion	NN
43297	243	19	at	at	IN
43297	243	20	all	all	DT
43297	243	21	temperatures	temperature	NNS
43297	243	22	above	above	IN
43297	243	23	950	950	CD
43297	243	24	°	°	,
43297	243	25	C.	C.	NNP
43297	243	26	or	or	CC
43297	243	27	,	,	,
43297	243	28	in	in	IN
43297	243	29	some	some	DT
43297	243	30	cases	case	NNS
43297	243	31	,	,	,
43297	243	32	at	at	IN
43297	243	33	even	even	RB
43297	243	34	lower	low	JJR
43297	243	35	ones	one	NNS
43297	243	36	.	.	.
43297	244	1	As	as	IN
43297	244	2	a	a	DT
43297	244	3	portion	portion	NN
43297	244	4	of	of	IN
43297	244	5	the	the	DT
43297	244	6	material	material	NN
43297	244	7	fuses	fuse	NNS
43297	244	8	,	,	,
43297	244	9	it	-PRON-	PRP
43297	244	10	fills	fill	VBZ
43297	244	11	up	up	RP
43297	244	12	the	the	DT
43297	244	13	pores	pore	NNS
43297	244	14	in	in	IN
43297	244	15	the	the	DT
43297	244	16	mass	mass	NN
43297	244	17	and	and	CC
43297	244	18	attacks	attack	VBZ
43297	244	19	the	the	DT
43297	244	20	unfused	unfused	JJ
43297	244	21	material	material	NN
43297	244	22	,	,	,
43297	244	23	this	this	DT
43297	244	24	process	process	NN
43297	244	25	being	be	VBG
43297	244	26	continued	continue	VBN
43297	244	27	until	until	IN
43297	244	28	either	either	CC
43297	244	29	the	the	DT
43297	244	30	heating	heating	NN
43297	244	31	is	be	VBZ
43297	244	32	stopped	stop	VBN
43297	244	33	or	or	CC
43297	244	34	the	the	DT
43297	244	35	whole	whole	JJ
43297	244	36	material	material	NN
43297	244	37	is	be	VBZ
43297	244	38	reduced	reduce	VBN
43297	244	39	to	to	IN
43297	244	40	a	a	DT
43297	244	41	viscous	viscous	JJ
43297	244	42	slag	slag	NN
43297	244	43	.	.	.
43297	245	1	The	the	DT
43297	245	2	reduction	reduction	NN
43297	245	3	in	in	IN
43297	245	4	the	the	DT
43297	245	5	volume	volume	NN
43297	245	6	of	of	IN
43297	245	7	commercial	commercial	JJ
43297	245	8	articles	article	NNS
43297	245	9	made	make	VBN
43297	245	10	of	of	IN
43297	245	11	clay	clay	NN
43297	245	12	and	and	CC
43297	245	13	placed	place	VBN
43297	245	14	in	in	IN
43297	245	15	kilns	kilns	NNP
43297	245	16	varies	vary	VBZ
43297	245	17	greatly	greatly	RB
43297	245	18	.	.	.
43297	246	1	With	with	IN
43297	246	2	bricks	brick	NNS
43297	246	3	,	,	,
43297	246	4	terra	terra	NNP
43297	246	5	-	-	HYPH
43297	246	6	cotta	cotta	NNP
43297	246	7	and	and	CC
43297	246	8	pottery	pottery	NN
43297	246	9	it	-PRON-	PRP
43297	246	10	must	must	MD
43297	246	11	not	not	RB
43297	246	12	,	,	,
43297	246	13	usually	usually	RB
43297	246	14	,	,	,
43297	246	15	exceed	exceed	VB
43297	246	16	40	40	CD
43297	246	17	per	per	NN
43297	246	18	cent	cent	NN
43297	246	19	.	.	.
43297	247	1	or	or	CC
43297	247	2	the	the	DT
43297	247	3	warping	warping	NN
43297	247	4	and	and	CC
43297	247	5	cracking	cracking	NN
43297	247	6	which	which	WDT
43297	247	7	occur	occur	VBP
43297	247	8	will	will	MD
43297	247	9	be	be	VB
43297	247	10	so	so	RB
43297	247	11	great	great	JJ
43297	247	12	as	as	IN
43297	247	13	to	to	TO
43297	247	14	make	make	VB
43297	247	15	the	the	DT
43297	247	16	articles	article	NNS
43297	247	17	useless	useless	JJ
43297	247	18	.	.	.
43297	248	1	The	the	DT
43297	248	2	fineness	fineness	NN
43297	248	3	of	of	IN
43297	248	4	the	the	DT
43297	248	5	particles	particle	NNS
43297	248	6	exercises	exercise	VBZ
43297	248	7	an	an	DT
43297	248	8	important	important	JJ
43297	248	9	influence	influence	NN
43297	248	10	on	on	IN
43297	248	11	the	the	DT
43297	248	12	kiln	kiln	NN
43297	248	13	shrinkage	shrinkage	NN
43297	248	14	of	of	IN
43297	248	15	a	a	DT
43297	248	16	clay	clay	NN
43297	248	17	,	,	,
43297	248	18	and	and	CC
43297	248	19	the	the	DT
43297	248	20	latter	latter	JJ
43297	248	21	is	be	VBZ
43297	248	22	frequently	frequently	RB
43297	248	23	reduced	reduce	VBN
43297	248	24	in	in	IN
43297	248	25	commercial	commercial	JJ
43297	248	26	clayworking	clayworke	VBG
43297	248	27	by	by	IN
43297	248	28	adding	add	VBG
43297	248	29	burned	burn	VBN
43297	248	30	clay	clay	NN
43297	248	31	ground	ground	NN
43297	248	32	to	to	IN
43297	248	33	a	a	DT
43297	248	34	coarse	coarse	JJ
43297	248	35	powder	powder	NN
43297	248	36	to	to	IN
43297	248	37	the	the	DT
43297	248	38	plastic	plastic	JJ
43297	248	39	clay	clay	NN
43297	248	40	before	before	IN
43297	248	41	it	-PRON-	PRP
43297	248	42	is	be	VBZ
43297	248	43	used	use	VBN
43297	248	44	.	.	.
43297	249	1	Sand	sand	NN
43297	249	2	is	be	VBZ
43297	249	3	sometimes	sometimes	RB
43297	249	4	added	add	VBN
43297	249	5	for	for	IN
43297	249	6	the	the	DT
43297	249	7	same	same	JJ
43297	249	8	purpose	purpose	NN
43297	249	9	,	,	,
43297	249	10	though	though	IN
43297	249	11	its	-PRON-	PRP$
43297	249	12	more	more	RBR
43297	249	13	frequent	frequent	JJ
43297	249	14	use	use	NN
43297	249	15	is	be	VBZ
43297	249	16	to	to	TO
43297	249	17	reduce	reduce	VB
43297	249	18	the	the	DT
43297	249	19	shrinkage	shrinkage	NN
43297	249	20	in	in	IN
43297	249	21	drying	drying	NN
43297	249	22	.	.	.
43297	250	1	Quartz	Quartz	NNP
43297	250	2	and	and	CC
43297	250	3	other	other	JJ
43297	250	4	forms	form	NNS
43297	250	5	of	of	IN
43297	250	6	free	free	JJ
43297	250	7	silica	silica	NN
43297	250	8	expand	expand	VB
43297	250	9	on	on	IN
43297	250	10	heating	heating	NN
43297	250	11	,	,	,
43297	250	12	so	so	IN
43297	250	13	that	that	IN
43297	250	14	clays	clay	NNS
43297	250	15	containing	contain	VBG
43297	250	16	them	-PRON-	PRP
43297	250	17	in	in	IN
43297	250	18	large	large	JJ
43297	250	19	quantities	quantity	NNS
43297	250	20	shrink	shrink	VBP
43297	250	21	very	very	RB
43297	250	22	slightly	slightly	RB
43297	250	23	or	or	CC
43297	250	24	may	may	MD
43297	250	25	even	even	RB
43297	250	26	expand	expand	VB
43297	250	27	.	.	.
43297	251	1	As	as	IN
43297	251	2	clays	clay	NNS
43297	251	3	shrink	shrink	VBP
43297	251	4	equally	equally	RB
43297	251	5	in	in	IN
43297	251	6	all	all	DT
43297	251	7	directions	direction	NNS
43297	251	8	it	-PRON-	PRP
43297	251	9	is	be	VBZ
43297	251	10	usual	usual	JJ
43297	251	11	to	to	TO
43297	251	12	state	state	VB
43297	251	13	the	the	DT
43297	251	14	contraction	contraction	NN
43297	251	15	in	in	IN
43297	251	16	linear	linear	JJ
43297	251	17	instead	instead	RB
43297	251	18	of	of	IN
43297	251	19	volume	volume	NN
43297	251	20	form	form	NN
43297	251	21	.	.	.
43297	252	1	Thus	thus	RB
43297	252	2	instead	instead	RB
43297	252	3	of	of	IN
43297	252	4	stating	state	VBG
43297	252	5	that	that	IN
43297	252	6	a	a	DT
43297	252	7	certain	certain	JJ
43297	252	8	clay	clay	NN
43297	252	9	when	when	WRB
43297	252	10	moulded	mould	VBN
43297	252	11	into	into	IN
43297	252	12	bricks	brick	NNS
43297	252	13	,	,	,
43297	252	14	dried	dry	VBN
43297	252	15	and	and	CC
43297	252	16	burned	burn	VBN
43297	252	17	,	,	,
43297	252	18	shrinks	shrink	VBZ
43297	252	19	18	18	CD
43297	252	20	per	per	IN
43297	252	21	cent	cent	NN
43297	252	22	.	.	.
43297	253	1	by	by	IN
43297	253	2	volume	volume	NN
43297	253	3	,	,	,
43297	253	4	it	-PRON-	PRP
43297	253	5	is	be	VBZ
43297	253	6	customary	customary	JJ
43297	253	7	to	to	TO
43297	253	8	state	state	VB
43297	253	9	that	that	IN
43297	253	10	it	-PRON-	PRP
43297	253	11	shrinks	shrink	VBZ
43297	253	12	3/4	3/4	CD
43297	253	13	in	in	IN
43297	253	14	.	.	.
43297	254	1	per	per	IN
43297	254	2	(	(	-LRB-
43297	254	3	linear	linear	NNP
43297	254	4	)	)	-RRB-
43297	254	5	foot	foot	NN
43297	254	6	.	.	.
43297	255	1	For	for	IN
43297	255	2	many	many	JJ
43297	255	3	purposes	purpose	NNS
43297	255	4	,	,	,
43297	255	5	it	-PRON-	PRP
43297	255	6	is	be	VBZ
43297	255	7	sufficient	sufficient	JJ
43297	255	8	to	to	TO
43297	255	9	regard	regard	VB
43297	255	10	the	the	DT
43297	255	11	linear	linear	JJ
43297	255	12	shrinkage	shrinkage	NN
43297	255	13	as	as	IN
43297	255	14	one	one	CD
43297	255	15	-	-	HYPH
43297	255	16	third	third	NN
43297	255	17	the	the	DT
43297	255	18	volume	volume	NN
43297	255	19	-	-	HYPH
43297	255	20	shrinkage	shrinkage	NN
43297	255	21	,	,	,
43297	255	22	but	but	CC
43297	255	23	this	this	DT
43297	255	24	is	be	VBZ
43297	255	25	not	not	RB
43297	255	26	strictly	strictly	RB
43297	255	27	accurate	accurate	JJ
43297	255	28	.	.	.
43297	256	1	The	the	DT
43297	256	2	_	_	NNP
43297	256	3	fusibility	fusibility	NN
43297	256	4	_	_	NNP
43297	256	5	of	of	IN
43297	256	6	clays	clay	NNS
43297	256	7	is	be	VBZ
43297	256	8	a	a	DT
43297	256	9	characteristic	characteristic	JJ
43297	256	10	which	which	WDT
43297	256	11	has	have	VBZ
43297	256	12	been	be	VBN
43297	256	13	very	very	RB
43297	256	14	imperfectly	imperfectly	RB
43297	256	15	studied	study	VBN
43297	256	16	.	.	.
43297	257	1	Most	Most	JJS
43297	257	2	clayworkers	clayworker	NNS
43297	257	3	and	and	CC
43297	257	4	investigators	investigator	NNS
43297	257	5	employ	employ	VBP
43297	257	6	the	the	DT
43297	257	7	term	term	NN
43297	257	8	'	'	``
43297	257	9	fusibility	fusibility	NN
43297	257	10	'	'	''
43297	257	11	in	in	IN
43297	257	12	a	a	DT
43297	257	13	special	special	JJ
43297	257	14	sense	sense	NN
43297	257	15	which	which	WDT
43297	257	16	is	be	VBZ
43297	257	17	apt	apt	JJ
43297	257	18	to	to	TO
43297	257	19	be	be	VB
43297	257	20	misleading	mislead	VBG
43297	257	21	.	.	.
43297	258	1	Owing	owe	VBG
43297	258	2	to	to	IN
43297	258	3	the	the	DT
43297	258	4	extremely	extremely	RB
43297	258	5	high	high	JJ
43297	258	6	temperatures	temperature	NNS
43297	258	7	to	to	TO
43297	258	8	which	which	WDT
43297	258	9	refractory	refractory	JJ
43297	258	10	clays	clay	NNS
43297	258	11	can	can	MD
43297	258	12	be	be	VB
43297	258	13	heated	heat	VBN
43297	258	14	without	without	IN
43297	258	15	even	even	RB
43297	258	16	losing	lose	VBG
43297	258	17	their	-PRON-	PRP$
43297	258	18	shape	shape	NN
43297	258	19	,	,	,
43297	258	20	it	-PRON-	PRP
43297	258	21	is	be	VBZ
43297	258	22	almost	almost	RB
43297	258	23	impossible	impossible	JJ
43297	258	24	to	to	TO
43297	258	25	fuse	fuse	VB
43297	258	26	them	-PRON-	PRP
43297	258	27	completely	completely	RB
43297	258	28	.	.	.
43297	259	1	In	in	IN
43297	259	2	addition	addition	NN
43297	259	3	to	to	IN
43297	259	4	this	this	DT
43297	259	5	,	,	,
43297	259	6	clays	clay	NNS
43297	259	7	are	be	VBP
43297	259	8	not	not	RB
43297	259	9	perfectly	perfectly	RB
43297	259	10	homogeneous	homogeneous	JJ
43297	259	11	materials	material	NNS
43297	259	12	and	and	CC
43297	259	13	some	some	DT
43297	259	14	of	of	IN
43297	259	15	their	-PRON-	PRP$
43297	259	16	constituents	constituent	NNS
43297	259	17	melt	melt	VBP
43297	259	18	at	at	IN
43297	259	19	lower	low	JJR
43297	259	20	temperatures	temperature	NNS
43297	259	21	than	than	IN
43297	259	22	others	other	NNS
43297	259	23	.	.	.
43297	260	1	For	for	IN
43297	260	2	this	this	DT
43297	260	3	reason	reason	NN
43297	260	4	a	a	DT
43297	260	5	clay	clay	NN
43297	260	6	may	may	MD
43297	260	7	show	show	VB
43297	260	8	signs	sign	NNS
43297	260	9	of	of	IN
43297	260	10	fusion	fusion	NN
43297	260	11	at	at	IN
43297	260	12	1100	1100	CD
43297	260	13	°	°	,
43297	260	14	C.	C.	NNP
43297	260	15	,	,	,
43297	260	16	but	but	CC
43297	260	17	it	-PRON-	PRP
43297	260	18	may	may	MD
43297	260	19	be	be	VB
43297	260	20	heated	heat	VBN
43297	260	21	for	for	IN
43297	260	22	some	some	DT
43297	260	23	hours	hour	NNS
43297	260	24	at	at	IN
43297	260	25	1800	1800	CD
43297	260	26	°	°	,
43297	260	27	C.	C.	NNP
43297	260	28	and	and	CC
43297	260	29	yet	yet	RB
43297	260	30	not	not	RB
43297	260	31	be	be	VB
43297	260	32	completely	completely	RB
43297	260	33	melted	melt	VBN
43297	260	34	!	!	.
43297	261	1	Consequently	consequently	RB
43297	261	2	no	no	DT
43297	261	3	single	single	JJ
43297	261	4	'	'	''
43297	261	5	fusing	fusing	NN
43297	261	6	point	point	NN
43297	261	7	'	'	''
43297	261	8	can	can	MD
43297	261	9	be	be	VB
43297	261	10	stated	state	VBN
43297	261	11	.	.	.
43297	262	1	In	in	IN
43297	262	2	practice	practice	NN
43297	262	3	,	,	,
43297	262	4	a	a	DT
43297	262	5	suggestion	suggestion	NN
43297	262	6	made	make	VBD
43297	262	7	many	many	JJ
43297	262	8	years	year	NNS
43297	262	9	ago	ago	RB
43297	262	10	by	by	IN
43297	262	11	Seger	Seger	NNP
43297	262	12	(	(	-LRB-
43297	262	13	7	7	CD
43297	262	14	)	)	-RRB-
43297	262	15	is	be	VBZ
43297	262	16	used	use	VBN
43297	262	17	;	;	:
43297	262	18	the	the	DT
43297	262	19	clay	clay	NN
43297	262	20	to	to	TO
43297	262	21	be	be	VB
43297	262	22	tested	test	VBN
43297	262	23	is	be	VBZ
43297	262	24	made	make	VBN
43297	262	25	into	into	IN
43297	262	26	a	a	DT
43297	262	27	small	small	JJ
43297	262	28	tetrahedron	tetrahedron	NN
43297	262	29	(	(	-LRB-
43297	262	30	fig	fig	NN
43297	262	31	.	.	.
43297	263	1	6	6	CD
43297	263	2	)	)	-RRB-
43297	263	3	,	,	,
43297	263	4	heated	heat	VBN
43297	263	5	slowly	slowly	RB
43297	263	6	until	until	IN
43297	263	7	it	-PRON-	PRP
43297	263	8	bends	bend	VBZ
43297	263	9	over	over	RB
43297	263	10	and	and	CC
43297	263	11	the	the	DT
43297	263	12	point	point	NN
43297	263	13	of	of	IN
43297	263	14	the	the	DT
43297	263	15	test	test	NN
43297	263	16	-	-	HYPH
43297	263	17	piece	piece	NN
43297	263	18	is	be	VBZ
43297	263	19	almost	almost	RB
43297	263	20	on	on	IN
43297	263	21	a	a	DT
43297	263	22	level	level	NN
43297	263	23	with	with	IN
43297	263	24	the	the	DT
43297	263	25	base	base	NN
43297	263	26	.	.	.
43297	264	1	The	the	DT
43297	264	2	temperature	temperature	NN
43297	264	3	at	at	IN
43297	264	4	which	which	WDT
43297	264	5	this	this	DT
43297	264	6	occurs	occur	VBZ
43297	264	7	is	be	VBZ
43297	264	8	termed	term	VBN
43297	264	9	the	the	DT
43297	264	10	'	'	``
43297	264	11	fusing	fusing	NN
43297	264	12	point	point	NN
43297	264	13	'	'	''
43297	264	14	though	though	IN
43297	264	15	it	-PRON-	PRP
43297	264	16	really	really	RB
43297	264	17	only	only	RB
43297	264	18	indicates	indicate	VBZ
43297	264	19	the	the	DT
43297	264	20	heat	heat	NN
43297	264	21	-	-	HYPH
43297	264	22	treatment	treatment	NN
43297	264	23	which	which	WDT
43297	264	24	is	be	VBZ
43297	264	25	sufficient	sufficient	JJ
43297	264	26	to	to	TO
43297	264	27	soften	soften	VB
43297	264	28	the	the	DT
43297	264	29	material	material	NN
43297	264	30	sufficiently	sufficiently	RB
43297	264	31	to	to	TO
43297	264	32	cause	cause	VB
43297	264	33	it	-PRON-	PRP
43297	264	34	to	to	TO
43297	264	35	bend	bend	VB
43297	264	36	in	in	IN
43297	264	37	the	the	DT
43297	264	38	manner	manner	NN
43297	264	39	described	describe	VBN
43297	264	40	.	.	.
43297	265	1	In	in	IN
43297	265	2	spite	spite	NN
43297	265	3	of	of	IN
43297	265	4	the	the	DT
43297	265	5	apparent	apparent	JJ
43297	265	6	crudeness	crudeness	NN
43297	265	7	of	of	IN
43297	265	8	the	the	DT
43297	265	9	test	test	NN
43297	265	10	this	this	DT
43297	265	11	'	'	``
43297	265	12	softening	softening	JJ
43297	265	13	point	point	NN
43297	265	14	'	'	''
43297	265	15	appears	appear	VBZ
43297	265	16	to	to	TO
43297	265	17	be	be	VB
43297	265	18	fairly	fairly	RB
43297	265	19	constant	constant	JJ
43297	265	20	for	for	IN
43297	265	21	most	most	JJS
43297	265	22	refractory	refractory	JJ
43297	265	23	clays	clay	NNS
43297	265	24	.	.	.
43297	266	1	The	the	DT
43297	266	2	bending	bending	NN
43297	266	3	of	of	IN
43297	266	4	a	a	DT
43297	266	5	test	test	NN
43297	266	6	-	-	HYPH
43297	266	7	piece	piece	NN
43297	266	8	in	in	IN
43297	266	9	this	this	DT
43297	266	10	manner	manner	NN
43297	266	11	is	be	VBZ
43297	266	12	the	the	DT
43297	266	13	result	result	NN
43297	266	14	of	of	IN
43297	266	15	the	the	DT
43297	266	16	action	action	NN
43297	266	17	of	of	IN
43297	266	18	all	all	DT
43297	266	19	fluxes[6	fluxes[6	NNPS
43297	266	20	]	]	-RRB-
43297	266	21	in	in	IN
43297	266	22	the	the	DT
43297	266	23	clay	clay	NN
43297	266	24	,	,	,
43297	266	25	and	and	CC
43297	266	26	as	as	IN
43297	266	27	this	this	DT
43297	266	28	depends	depend	VBZ
43297	266	29	on	on	IN
43297	266	30	the	the	DT
43297	266	31	size	size	NN
43297	266	32	of	of	IN
43297	266	33	grain	grain	NN
43297	266	34	and	and	CC
43297	266	35	the	the	DT
43297	266	36	duration	duration	NN
43297	266	37	of	of	IN
43297	266	38	the	the	DT
43297	266	39	heating	heating	NN
43297	266	40	above	above	IN
43297	266	41	incipient	incipient	JJ
43297	266	42	fusion	fusion	NN
43297	266	43	and	and	CC
43297	266	44	does	do	VBZ
43297	266	45	not	not	RB
43297	266	46	give	give	VB
43297	266	47	a	a	DT
43297	266	48	direct	direct	JJ
43297	266	49	measure	measure	NN
43297	266	50	of	of	IN
43297	266	51	temperature	temperature	NN
43297	266	52	,	,	,
43297	266	53	nor	nor	CC
43297	266	54	is	be	VBZ
43297	266	55	the	the	DT
43297	266	56	softening	soften	VBG
43297	266	57	effect	effect	NN
43297	266	58	under	under	IN
43297	266	59	one	one	CD
43297	266	60	rate	rate	NN
43297	266	61	of	of	IN
43297	266	62	rise	rise	NN
43297	266	63	in	in	IN
43297	266	64	temperature	temperature	NN
43297	266	65	the	the	DT
43297	266	66	same	same	JJ
43297	266	67	as	as	IN
43297	266	68	that	that	DT
43297	266	69	at	at	IN
43297	266	70	another	another	DT
43297	266	71	rate	rate	NN
43297	266	72	.	.	.
43297	267	1	Nevertheless	nevertheless	RB
43297	267	2	a	a	DT
43297	267	3	study	study	NN
43297	267	4	of	of	IN
43297	267	5	the	the	DT
43297	267	6	behaviour	behaviour	NN
43297	267	7	of	of	IN
43297	267	8	various	various	JJ
43297	267	9	clays	clay	NNS
43297	267	10	heated	heat	VBN
43297	267	11	simultaneously	simultaneously	RB
43297	267	12	is	be	VBZ
43297	267	13	valuable	valuable	JJ
43297	267	14	and	and	CC
43297	267	15	the	the	DT
43297	267	16	method	method	NN
43297	267	17	forms	form	VBZ
43297	267	18	a	a	DT
43297	267	19	convenient	convenient	JJ
43297	267	20	means	mean	NNS
43297	267	21	of	of	IN
43297	267	22	comparing	compare	VBG
43297	267	23	different	different	JJ
43297	267	24	materials	material	NNS
43297	267	25	.	.	.
43297	268	1	[	[	-LRB-
43297	268	2	Footnote	footnote	NN
43297	268	3	6	6	CD
43297	268	4	:	:	:
43297	268	5	For	for	IN
43297	268	6	fluxing	flux	VBG
43297	268	7	materials	material	NNS
43297	268	8	see	see	VB
43297	268	9	p.	p.	NN
43297	269	1	8	8	LS
43297	269	2	.	.	.
43297	269	3	]	]	-RRB-
43297	270	1	The	the	DT
43297	270	2	temperature	temperature	NN
43297	270	3	may	may	MD
43297	270	4	be	be	VB
43297	270	5	measured	measure	VBN
43297	270	6	by	by	IN
43297	270	7	means	mean	NNS
43297	270	8	of	of	IN
43297	270	9	a	a	DT
43297	270	10	pyrometer	pyrometer	NN
43297	270	11	,	,	,
43297	270	12	but	but	CC
43297	270	13	for	for	IN
43297	270	14	the	the	DT
43297	270	15	reason	reason	NN
43297	270	16	just	just	RB
43297	270	17	stated	state	VBD
43297	270	18	it	-PRON-	PRP
43297	270	19	is	be	VBZ
43297	270	20	more	more	RBR
43297	270	21	convenient	convenient	JJ
43297	270	22	and	and	CC
43297	270	23	in	in	IN
43297	270	24	some	some	DT
43297	270	25	respects	respect	NNS
43297	270	26	more	more	RBR
43297	270	27	accurate	accurate	JJ
43297	270	28	to	to	TO
43297	270	29	use	use	VB
43297	270	30	standard	standard	JJ
43297	270	31	mixtures	mixture	NNS
43297	270	32	known	know	VBN
43297	270	33	as	as	IN
43297	270	34	Seger	Seger	NNP
43297	270	35	Cones	Cones	NNP
43297	270	36	(	(	-LRB-
43297	270	37	fig	fig	NN
43297	270	38	.	.	.
43297	271	1	6	6	LS
43297	271	2	)	)	-RRB-
43297	271	3	,	,	,
43297	271	4	and	and	CC
43297	271	5	to	to	TO
43297	271	6	state	state	VB
43297	271	7	the	the	DT
43297	271	8	softening	softening	JJ
43297	271	9	point	point	NN
43297	271	10	in	in	IN
43297	271	11	terms	term	NNS
43297	271	12	of	of	IN
43297	271	13	the	the	DT
43297	271	14	'	'	``
43297	271	15	cone	cone	NN
43297	271	16	'	'	''
43297	271	17	which	which	WDT
43297	271	18	behaves	behave	VBZ
43297	271	19	like	like	IN
43297	271	20	the	the	DT
43297	271	21	clay	clay	NN
43297	271	22	being	be	VBG
43297	271	23	tested	test	VBN
43297	271	24	.	.	.
43297	272	1	A	a	DT
43297	272	2	medium	medium	JJ
43297	272	3	fireclay	fireclay	NN
43297	272	4	will	will	MD
43297	272	5	not	not	RB
43297	272	6	soften	soften	VB
43297	272	7	below	below	IN
43297	272	8	Seger	Seger	NNP
43297	272	9	Cone	Cone	NNP
43297	272	10	26	26	CD
43297	272	11	(	(	-LRB-
43297	272	12	1650	1650	CD
43297	272	13	°	°	,
43297	272	14	C.	C.	NNP
43297	272	15	)	)	-RRB-
43297	272	16	and	and	CC
43297	272	17	a	a	DT
43297	272	18	really	really	RB
43297	272	19	good	good	JJ
43297	272	20	one	one	NN
43297	272	21	will	will	MD
43297	272	22	have	have	VB
43297	272	23	a	a	DT
43297	272	24	softening	softening	JJ
43297	272	25	point	point	NN
43297	272	26	of	of	IN
43297	272	27	cone	cone	NN
43297	272	28	34	34	CD
43297	272	29	or	or	CC
43297	272	30	35	35	CD
43297	272	31	(	(	-LRB-
43297	272	32	1750	1750	CD
43297	272	33	°	°	NNS
43297	272	34	to	to	IN
43297	272	35	1800	1800	CD
43297	272	36	°	°	,
43297	272	37	C.	C.	NNP
43297	272	38	)	)	-RRB-
43297	272	39	.	.	.
43297	273	1	[	[	-LRB-
43297	273	2	Illustration	illustration	NN
43297	273	3	:	:	:
43297	273	4	Fig	Fig	NNP
43297	273	5	.	.	.
43297	274	1	6	6	CD
43297	274	2	.	.	.
43297	275	1	Seger	Seger	NNP
43297	275	2	Cones	Cones	NNP
43297	275	3	indicating	indicate	VBG
43297	275	4	a	a	DT
43297	275	5	temperature	temperature	NN
43297	275	6	of	of	IN
43297	275	7	1250	1250	CD
43297	275	8	°	°	,
43297	275	9	C.	C.	NNP
43297	275	10	]	]	-RRB-
43297	275	11	The	the	DT
43297	275	12	_	_	NNP
43297	275	13	refractoriness	refractoriness	NN
43297	275	14	_	_	NNP
43297	275	15	of	of	IN
43297	275	16	a	a	DT
43297	275	17	clay	clay	NN
43297	275	18	,	,	,
43297	275	19	or	or	CC
43297	275	20	its	-PRON-	PRP$
43297	275	21	resistance	resistance	NN
43297	275	22	to	to	IN
43297	275	23	high	high	JJ
43297	275	24	temperatures	temperature	NNS
43297	275	25	,	,	,
43297	275	26	is	be	VBZ
43297	275	27	an	an	DT
43297	275	28	important	important	JJ
43297	275	29	requirement	requirement	NN
43297	275	30	in	in	IN
43297	275	31	bricks	brick	NNS
43297	275	32	required	require	VBN
43297	275	33	for	for	IN
43297	275	34	furnace	furnace	JJ
43297	275	35	linings	lining	NNS
43297	275	36	,	,	,
43297	275	37	in	in	IN
43297	275	38	crucibles	crucible	NNS
43297	275	39	,	,	,
43297	275	40	gas	gas	NN
43297	275	41	retorts	retort	NNS
43297	275	42	and	and	CC
43297	275	43	other	other	JJ
43297	275	44	articles	article	NNS
43297	275	45	used	use	VBN
43297	275	46	in	in	IN
43297	275	47	the	the	DT
43297	275	48	metallurgical	metallurgical	JJ
43297	275	49	and	and	CC
43297	275	50	other	other	JJ
43297	275	51	industries	industry	NNS
43297	275	52	.	.	.
43297	276	1	The	the	DT
43297	276	2	term	term	NN
43297	276	3	is	be	VBZ
43297	276	4	much	much	RB
43297	276	5	abused	abused	JJ
43297	276	6	and	and	CC
43297	276	7	is	be	VBZ
43297	276	8	frequently	frequently	RB
43297	276	9	understood	understand	VBN
43297	276	10	to	to	TO
43297	276	11	mean	mean	VB
43297	276	12	resistance	resistance	NN
43297	276	13	to	to	IN
43297	276	14	the	the	DT
43297	276	15	cutting	cut	VBG
43297	276	16	action	action	NN
43297	276	17	of	of	IN
43297	276	18	flue	flue	JJ
43297	276	19	gases	gas	NNS
43297	276	20	and	and	CC
43297	276	21	flame	flame	NN
43297	276	22	,	,	,
43297	276	23	the	the	DT
43297	276	24	corrosive	corrosive	JJ
43297	276	25	action	action	NN
43297	276	26	of	of	IN
43297	276	27	slags	slag	NNS
43297	276	28	,	,	,
43297	276	29	and	and	CC
43297	276	30	the	the	DT
43297	276	31	strains	strain	NNS
43297	276	32	set	set	VBN
43297	276	33	up	up	RP
43297	276	34	by	by	IN
43297	276	35	the	the	DT
43297	276	36	repeated	repeat	VBN
43297	276	37	changes	change	NNS
43297	276	38	in	in	IN
43297	276	39	temperature	temperature	NN
43297	276	40	.	.	.
43297	277	1	This	this	DT
43297	277	2	is	be	VBZ
43297	277	3	unfortunate	unfortunate	JJ
43297	277	4	,	,	,
43297	277	5	for	for	IN
43297	277	6	the	the	DT
43297	277	7	term	term	NN
43297	277	8	refractoriness	refractoriness	NN
43297	277	9	has	have	VBZ
43297	277	10	a	a	DT
43297	277	11	perfectly	perfectly	RB
43297	277	12	definite	definite	JJ
43297	277	13	meaning	meaning	NN
43297	277	14	and	and	CC
43297	277	15	should	should	MD
43297	277	16	be	be	VB
43297	277	17	employed	employ	VBN
43297	277	18	exclusively	exclusively	RB
43297	277	19	to	to	TO
43297	277	20	denote	denote	VB
43297	277	21	that	that	IN
43297	277	22	a	a	DT
43297	277	23	given	give	VBN
43297	277	24	clay	clay	NN
43297	277	25	is	be	VBZ
43297	277	26	capable	capable	JJ
43297	277	27	of	of	IN
43297	277	28	retaining	retain	VBG
43297	277	29	its	-PRON-	PRP$
43297	277	30	shape	shape	NN
43297	277	31	at	at	IN
43297	277	32	a	a	DT
43297	277	33	given	give	VBN
43297	277	34	temperature	temperature	NN
43297	277	35	or	or	CC
43297	277	36	under	under	IN
43297	277	37	given	give	VBN
43297	277	38	conditions	condition	NNS
43297	277	39	when	when	WRB
43297	277	40	heated	heat	VBN
43297	277	41	alone	alone	RB
43297	277	42	and	and	CC
43297	277	43	without	without	IN
43297	277	44	being	be	VBG
43297	277	45	subjected	subject	VBN
43297	277	46	to	to	IN
43297	277	47	any	any	DT
43297	277	48	pressure	pressure	NN
43297	277	49	.	.	.
43297	278	1	In	in	IN
43297	278	2	Great	Great	NNP
43297	278	3	Britain	Britain	NNP
43297	278	4	there	there	EX
43297	278	5	is	be	VBZ
43297	278	6	no	no	DT
43297	278	7	officially	officially	RB
43297	278	8	recognized	recognize	VBN
43297	278	9	standard	standard	NN
43297	278	10	of	of	IN
43297	278	11	minimum	minimum	JJ
43297	278	12	refractoriness[7	refractoriness[7	NNP
43297	278	13	]	]	-RRB-
43297	278	14	,	,	,
43297	278	15	but	but	CC
43297	278	16	where	where	WRB
43297	278	17	one	one	PRP
43297	278	18	is	be	VBZ
43297	278	19	required	require	VBN
43297	278	20	the	the	DT
43297	278	21	suggested	suggest	VBN
43297	278	22	minimum	minimum	NN
43297	278	23	of	of	IN
43297	278	24	Seger	Seger	NNP
43297	278	25	Cone	Cone	NNP
43297	278	26	26	26	CD
43297	278	27	(	(	-LRB-
43297	278	28	1650	1650	CD
43297	278	29	°	°	,
43297	278	30	C.	C.	NNP
43297	278	31	)	)	-RRB-
43297	278	32	made	make	VBN
43297	278	33	by	by	IN
43297	278	34	E.	E.	NNP
43297	278	35	Cramer	Cramer	NNP
43297	278	36	(	(	-LRB-
43297	278	37	8)	8)	CD
43297	278	38	is	be	VBZ
43297	278	39	usually	usually	RB
43297	278	40	employed	employ	VBN
43297	278	41	.	.	.
43297	279	1	This	this	DT
43297	279	2	is	be	VBZ
43297	279	3	the	the	DT
43297	279	4	recognized	recognize	VBN
43297	279	5	minimum	minimum	NN
43297	279	6	in	in	IN
43297	279	7	Germany	Germany	NNP
43297	279	8	for	for	IN
43297	279	9	fireclays	fireclay	NNS
43297	279	10	,	,	,
43297	279	11	and	and	CC
43297	279	12	though	though	IN
43297	279	13	objections	objection	NNS
43297	279	14	may	may	MD
43297	279	15	be	be	VB
43297	279	16	urged	urge	VBN
43297	279	17	against	against	IN
43297	279	18	the	the	DT
43297	279	19	use	use	NN
43297	279	20	of	of	IN
43297	279	21	Seger	Seger	NNP
43297	279	22	Cones	Cones	NNP
43297	279	23	as	as	IN
43297	279	24	a	a	DT
43297	279	25	standard	standard	NN
43297	279	26	,	,	,
43297	279	27	equally	equally	RB
43297	279	28	forcible	forcible	JJ
43297	279	29	ones	one	NNS
43297	279	30	may	may	MD
43297	279	31	be	be	VB
43297	279	32	brought	bring	VBN
43297	279	33	against	against	IN
43297	279	34	making	make	VBG
43297	279	35	a	a	DT
43297	279	36	temperature	temperature	NN
43297	279	37	-	-	HYPH
43297	279	38	scale	scale	VB
43297	279	39	the	the	DT
43297	279	40	basis	basis	NN
43297	279	41	of	of	IN
43297	279	42	measurement	measurement	NN
43297	279	43	.	.	.
43297	280	1	Under	under	IN
43297	280	2	present	present	JJ
43297	280	3	circumstances	circumstance	NNS
43297	280	4	,	,	,
43297	280	5	however	however	RB
43297	280	6	,	,	,
43297	280	7	it	-PRON-	PRP
43297	280	8	is	be	VBZ
43297	280	9	necessary	necessary	JJ
43297	280	10	to	to	TO
43297	280	11	adopt	adopt	VB
43297	280	12	one	one	CD
43297	280	13	or	or	CC
43297	280	14	other	other	JJ
43297	280	15	of	of	IN
43297	280	16	these	these	DT
43297	280	17	.	.	.
43297	281	1	[	[	-LRB-
43297	281	2	Footnote	Footnote	NNP
43297	281	3	7	7	CD
43297	281	4	:	:	:
43297	281	5	See	see	VB
43297	281	6	_	_	NNP
43297	281	7	Refractory	Refractory	NNP
43297	281	8	Clays	Clays	NNPS
43297	281	9	_	_	NNP
43297	281	10	,	,	,
43297	281	11	Chapter	Chapter	NNP
43297	281	12	V.	V.	NNP
43297	281	13	]	]	-RRB-
43297	281	14	Various	various	JJ
43297	281	15	attempts	attempt	NNS
43297	281	16	have	have	VBP
43297	281	17	been	be	VBN
43297	281	18	made	make	VBN
43297	281	19	to	to	TO
43297	281	20	ascertain	ascertain	VB
43297	281	21	the	the	DT
43297	281	22	relationship	relationship	NN
43297	281	23	(	(	-LRB-
43297	281	24	if	if	IN
43297	281	25	any	any	DT
43297	281	26	)	)	-RRB-
43297	281	27	between	between	IN
43297	281	28	the	the	DT
43297	281	29	refractoriness	refractoriness	NN
43297	281	30	of	of	IN
43297	281	31	clays	clay	NNS
43297	281	32	and	and	CC
43297	281	33	their	-PRON-	PRP$
43297	281	34	chemical	chemical	JJ
43297	281	35	composition	composition	NN
43297	281	36	.	.	.
43297	282	1	If	if	IN
43297	282	2	attention	attention	NN
43297	282	3	is	be	VBZ
43297	282	4	confined	confine	VBN
43297	282	5	strictly	strictly	RB
43297	282	6	to	to	IN
43297	282	7	the	the	DT
43297	282	8	more	more	RBR
43297	282	9	refractory	refractory	JJ
43297	282	10	clays	clay	NNS
43297	282	11	,	,	,
43297	282	12	some	some	DT
43297	282	13	kind	kind	NN
43297	282	14	of	of	IN
43297	282	15	relationship	relationship	NN
43297	282	16	does	do	VBZ
43297	282	17	appear	appear	VB
43297	282	18	to	to	TO
43297	282	19	exist	exist	VB
43297	282	20	.	.	.
43297	283	1	Thus	thus	RB
43297	283	2	Richter	Richter	NNP
43297	283	3	found	find	VBD
43297	283	4	that	that	IN
43297	283	5	the	the	DT
43297	283	6	refractoriness	refractoriness	NN
43297	283	7	of	of	IN
43297	283	8	clay	clay	NN
43297	283	9	is	be	VBZ
43297	283	10	influenced	influence	VBN
43297	283	11	by	by	IN
43297	283	12	certain	certain	JJ
43297	283	13	oxides	oxide	NNS
43297	283	14	in	in	IN
43297	283	15	the	the	DT
43297	283	16	following	follow	VBG
43297	283	17	order	order	NN
43297	283	18	:	:	:
43297	283	19	magnesia	magnesia	NNP
43297	283	20	,	,	,
43297	283	21	lime	lime	NN
43297	283	22	,	,	,
43297	283	23	ferrous	ferrous	JJ
43297	283	24	oxide	oxide	NN
43297	283	25	,	,	,
43297	283	26	soda	soda	NN
43297	283	27	and	and	CC
43297	283	28	potash	potash	NN
43297	283	29	,	,	,
43297	283	30	but	but	CC
43297	283	31	this	this	DT
43297	283	32	only	only	RB
43297	283	33	applies	apply	VBZ
43297	283	34	to	to	IN
43297	283	35	clays	clay	NNS
43297	283	36	containing	contain	VBG
43297	283	37	less	less	JJR
43297	283	38	than	than	IN
43297	283	39	3	3	CD
43297	283	40	per	per	NN
43297	283	41	cent	cent	NN
43297	283	42	.	.	.
43297	284	1	of	of	IN
43297	284	2	all	all	PDT
43297	284	3	these	these	DT
43297	284	4	oxides	oxide	NNS
43297	284	5	.	.	.
43297	285	1	Cramer	cramer	NN
43297	285	2	,	,	,
43297	285	3	in	in	IN
43297	285	4	1895	1895	CD
43297	285	5	,	,	,
43297	285	6	found	find	VBD
43297	285	7	that	that	IN
43297	285	8	free	free	JJ
43297	285	9	silica	silica	NN
43297	285	10	also	also	RB
43297	285	11	interfered	interfere	VBD
43297	285	12	with	with	IN
43297	285	13	the	the	DT
43297	285	14	action	action	NN
43297	285	15	of	of	IN
43297	285	16	these	these	DT
43297	285	17	oxides	oxide	NNS
43297	285	18	and	and	CC
43297	285	19	more	more	RBR
43297	285	20	recently	recently	RB
43297	285	21	Ludwig	Ludwig	NNP
43297	285	22	(	(	-LRB-
43297	285	23	9	9	CD
43297	285	24	)	)	-RRB-
43297	285	25	has	have	VBZ
43297	285	26	devised	devise	VBN
43297	285	27	a	a	DT
43297	285	28	chart	chart	NN
43297	285	29	(	(	-LRB-
43297	285	30	fig	fig	NN
43297	285	31	.	.	.
43297	286	1	7	7	LS
43297	286	2	)	)	-RRB-
43297	286	3	,	,	,
43297	286	4	on	on	IN
43297	286	5	the	the	DT
43297	286	6	upright	upright	JJ
43297	286	7	sides	side	NNS
43297	286	8	of	of	IN
43297	286	9	which	which	WDT
43297	286	10	are	be	VBP
43297	286	11	plotted	plot	VBN
43297	286	12	the	the	DT
43297	286	13	equivalents	equivalent	NNS
43297	286	14	of	of	IN
43297	286	15	the	the	DT
43297	286	16	lime	lime	NN
43297	286	17	,	,	,
43297	286	18	magnesia	magnesia	NNP
43297	286	19	and	and	CC
43297	286	20	alkalies	alkali	NNS
43297	286	21	,	,	,
43297	286	22	whilst	whilst	IN
43297	286	23	the	the	DT
43297	286	24	silica	silica	NN
43297	286	25	equivalents	equivalent	NNS
43297	286	26	are	be	VBP
43297	286	27	plotted	plot	VBN
43297	286	28	on	on	IN
43297	286	29	the	the	DT
43297	286	30	horizontal	horizontal	JJ
43297	286	31	base	base	NN
43297	286	32	.	.	.
43297	287	1	In	in	IN
43297	287	2	each	each	DT
43297	287	3	case	case	NN
43297	287	4	the	the	DT
43297	287	5	'	'	``
43297	287	6	molecular	molecular	JJ
43297	287	7	formula	formula	NN
43297	287	8	'	'	''
43297	287	9	of	of	IN
43297	287	10	the	the	DT
43297	287	11	clay	clay	NN
43297	287	12	is	be	VBZ
43297	287	13	calculated	calculate	VBN
43297	287	14	from	from	IN
43297	287	15	its	-PRON-	PRP$
43297	287	16	percentage	percentage	NN
43297	287	17	composition	composition	NN
43297	287	18	,	,	,
43297	287	19	and	and	CC
43297	287	20	this	this	DT
43297	287	21	'	'	``
43297	287	22	formula	formula	NN
43297	287	23	'	'	''
43297	287	24	is	be	VBZ
43297	287	25	reduced	reduce	VBN
43297	287	26	so	so	IN
43297	287	27	as	as	IN
43297	287	28	to	to	TO
43297	287	29	have	have	VB
43297	287	30	one	one	CD
43297	287	31	'	'	``
43297	287	32	molecule	molecule	NN
43297	287	33	'	'	''
43297	287	34	of	of	IN
43297	287	35	alumina	alumina	NNP
43297	287	36	,	,	,
43297	287	37	thereby	thereby	RB
43297	287	38	fixing	fix	VBG
43297	287	39	the	the	DT
43297	287	40	alumina	alumina	NNP
43297	287	41	as	as	IN
43297	287	42	a	a	DT
43297	287	43	constant	constant	JJ
43297	287	44	and	and	CC
43297	287	45	reducing	reduce	VBG
43297	287	46	the	the	DT
43297	287	47	number	number	NN
43297	287	48	of	of	IN
43297	287	49	variables	variable	NNS
43297	287	50	to	to	IN
43297	287	51	two	two	CD
43297	287	52	--	--	:
43297	287	53	the	the	DT
43297	287	54	metallic	metallic	JJ
43297	287	55	oxides	oxide	NNS
43297	287	56	and	and	CC
43297	287	57	the	the	DT
43297	287	58	silica	silica	NN
43297	287	59	.	.	.
43297	288	1	Unfortunately	unfortunately	RB
43297	288	2	Ludwig	Ludwig	NNP
43297	288	3	's	's	POS
43297	288	4	chart	chart	NN
43297	288	5	is	be	VBZ
43297	288	6	only	only	RB
43297	288	7	applicable	applicable	JJ
43297	288	8	to	to	IN
43297	288	9	the	the	DT
43297	288	10	more	more	RBR
43297	288	11	refractory	refractory	JJ
43297	288	12	clays	clay	NNS
43297	288	13	and	and	CC
43297	288	14	can	can	MD
43297	288	15	not	not	RB
43297	288	16	be	be	VB
43297	288	17	relied	rely	VBN
43297	288	18	upon	upon	IN
43297	288	19	even	even	RB
43297	288	20	for	for	IN
43297	288	21	these	these	DT
43297	288	22	,	,	,
43297	288	23	though	though	IN
43297	288	24	it	-PRON-	PRP
43297	288	25	is	be	VBZ
43297	288	26	extremely	extremely	RB
43297	288	27	useful	useful	JJ
43297	288	28	for	for	IN
43297	288	29	comparing	compare	VBG
43297	288	30	clays	clay	NNS
43297	288	31	from	from	IN
43297	288	32	identical	identical	JJ
43297	288	33	or	or	CC
43297	288	34	similar	similar	JJ
43297	288	35	geological	geological	JJ
43297	288	36	formations	formation	NNS
43297	288	37	.	.	.
43297	289	1	[	[	-LRB-
43297	289	2	Illustration	illustration	NN
43297	289	3	:	:	:
43297	289	4	Fig	Fig	NNP
43297	289	5	.	.	.
43297	290	1	7	7	LS
43297	290	2	.	.	.
43297	291	1	Ludwig	Ludwig	NNP
43297	291	2	's	's	POS
43297	291	3	Chart	Chart	NNP
43297	291	4	.	.	.
43297	291	5	]	]	-RRB-
43297	292	1	Attempts	attempt	NNS
43297	292	2	to	to	TO
43297	292	3	express	express	VB
43297	292	4	the	the	DT
43297	292	5	refractoriness	refractoriness	NN
43297	292	6	of	of	IN
43297	292	7	clays	clay	NNS
43297	292	8	by	by	IN
43297	292	9	means	mean	NNS
43297	292	10	of	of	IN
43297	292	11	formulae	formulae	NNP
43297	292	12	proving	prove	VBG
43297	292	13	abortive	abortive	NN
43297	292	14	,	,	,
43297	292	15	there	there	EX
43297	292	16	only	only	RB
43297	292	17	remains	remain	VBZ
43297	292	18	the	the	DT
43297	292	19	direct	direct	JJ
43297	292	20	test	test	NN
43297	292	21	of	of	IN
43297	292	22	heating	heat	VBG
43297	292	23	a	a	DT
43297	292	24	clay	clay	NN
43297	292	25	under	under	IN
43297	292	26	definite	definite	JJ
43297	292	27	conditions	condition	NNS
43297	292	28	in	in	IN
43297	292	29	the	the	DT
43297	292	30	manner	manner	NN
43297	292	31	previously	previously	RB
43297	292	32	described	describe	VBN
43297	292	33	.	.	.
43297	293	1	_	_	NNP
43297	293	2	Vitrification	Vitrification	NNP
43297	293	3	_	_	NNP
43297	293	4	is	be	VBZ
43297	293	5	closely	closely	RB
43297	293	6	connected	connect	VBN
43297	293	7	with	with	IN
43297	293	8	the	the	DT
43297	293	9	fusibility	fusibility	NN
43297	293	10	and	and	CC
43297	293	11	refractoriness	refractoriness	NN
43297	293	12	of	of	IN
43297	293	13	clays	clay	NNS
43297	293	14	,	,	,
43297	293	15	and	and	CC
43297	293	16	,	,	,
43297	293	17	as	as	IN
43297	293	18	a	a	DT
43297	293	19	term	term	NN
43297	293	20	,	,	,
43297	293	21	indicates	indicate	VBZ
43297	293	22	the	the	DT
43297	293	23	amount	amount	NN
43297	293	24	of	of	IN
43297	293	25	fusion	fusion	NN
43297	293	26	which	which	WDT
43297	293	27	has	have	VBZ
43297	293	28	occurred	occur	VBN
43297	293	29	under	under	IN
43297	293	30	certain	certain	JJ
43297	293	31	conditions	condition	NNS
43297	293	32	of	of	IN
43297	293	33	heating	heating	NN
43297	293	34	.	.	.
43297	294	1	As	as	IN
43297	294	2	already	already	RB
43297	294	3	mentioned	mention	VBN
43297	294	4	,	,	,
43297	294	5	all	all	DT
43297	294	6	clays	clay	NNS
43297	294	7	,	,	,
43297	294	8	on	on	IN
43297	294	9	being	be	VBG
43297	294	10	subjected	subject	VBN
43297	294	11	to	to	IN
43297	294	12	a	a	DT
43297	294	13	high	high	JJ
43297	294	14	temperature	temperature	NN
43297	294	15	,	,	,
43297	294	16	undergo	undergo	VBP
43297	294	17	partial	partial	JJ
43297	294	18	fusion	fusion	NN
43297	294	19	,	,	,
43297	294	20	the	the	DT
43297	294	21	more	more	RBR
43297	294	22	powerful	powerful	JJ
43297	294	23	bases	basis	NNS
43297	294	24	attacking	attack	VBG
43297	294	25	the	the	DT
43297	294	26	finest	fine	JJS
43297	294	27	particles	particle	NNS
43297	294	28	of	of	IN
43297	294	29	clay	clay	NN
43297	294	30	and	and	CC
43297	294	31	silica	silica	NN
43297	294	32	,	,	,
43297	294	33	forming	form	VBG
43297	294	34	molten	molten	JJ
43297	294	35	silicates	silicate	NNS
43297	294	36	,	,	,
43297	294	37	and	and	CC
43297	294	38	then	then	RB
43297	294	39	slowly	slowly	RB
43297	294	40	attacking	attack	VBG
43297	294	41	the	the	DT
43297	294	42	more	more	RBR
43297	294	43	refractory	refractory	JJ
43297	294	44	portion	portion	NN
43297	294	45	;	;	:
43297	294	46	this	this	DT
43297	294	47	slow	slow	JJ
43297	294	48	fusion	fusion	NN
43297	294	49	and	and	CC
43297	294	50	solution	solution	NN
43297	294	51	continues	continue	VBZ
43297	294	52	until	until	IN
43297	294	53	the	the	DT
43297	294	54	whole	whole	NN
43297	294	55	of	of	IN
43297	294	56	the	the	DT
43297	294	57	material	material	NN
43297	294	58	is	be	VBZ
43297	294	59	melted	melt	VBN
43297	294	60	.	.	.
43297	295	1	If	if	IN
43297	295	2	the	the	DT
43297	295	3	heating	heating	NN
43297	295	4	is	be	VBZ
43297	295	5	stopped	stop	VBN
43297	295	6	before	before	IN
43297	295	7	the	the	DT
43297	295	8	fusion	fusion	NN
43297	295	9	has	have	VBZ
43297	295	10	begun	begin	VBN
43297	295	11	,	,	,
43297	295	12	the	the	DT
43297	295	13	clay	clay	NN
43297	295	14	will	will	MD
43297	295	15	be	be	VB
43297	295	16	porous	porous	JJ
43297	295	17	and	and	CC
43297	295	18	comparatively	comparatively	RB
43297	295	19	soft	soft	JJ
43297	295	20	,	,	,
43297	295	21	but	but	CC
43297	295	22	as	as	IN
43297	295	23	more	more	JJR
43297	295	24	and	and	CC
43297	295	25	more	more	JJR
43297	295	26	material	material	JJ
43297	295	27	fuses	fuse	NNS
43297	295	28	,	,	,
43297	295	29	the	the	DT
43297	295	30	mass	mass	NN
43297	295	31	(	(	-LRB-
43297	295	32	on	on	IN
43297	295	33	cooling	cooling	NN
43297	295	34	)	)	-RRB-
43297	295	35	becomes	become	VBZ
43297	295	36	harder	hard	JJR
43297	295	37	and	and	CC
43297	295	38	less	less	RBR
43297	295	39	porous	porous	JJ
43297	295	40	,	,	,
43297	295	41	as	as	IN
43297	295	42	the	the	DT
43297	295	43	fused	fuse	VBN
43297	295	44	material	material	NN
43297	295	45	occupies	occupy	VBZ
43297	295	46	the	the	DT
43297	295	47	pores	pore	NNS
43297	295	48	and	and	CC
43297	295	49	sets	set	NNS
43297	295	50	to	to	IN
43297	295	51	a	a	DT
43297	295	52	dense	dense	JJ
43297	295	53	,	,	,
43297	295	54	firm	firm	JJ
43297	295	55	glassy	glassy	NNP
43297	295	56	mass	mass	NNP
43297	295	57	.	.	.
43297	296	1	The	the	DT
43297	296	2	amount	amount	NN
43297	296	3	of	of	IN
43297	296	4	vitrification	vitrification	NN
43297	296	5	,	,	,
43297	296	6	or	or	CC
43297	296	7	partial	partial	JJ
43297	296	8	fusion	fusion	NN
43297	296	9	,	,	,
43297	296	10	which	which	WDT
43297	296	11	occurs	occur	VBZ
43297	296	12	is	be	VBZ
43297	296	13	,	,	,
43297	296	14	therefore	therefore	RB
43297	296	15	,	,	,
43297	296	16	of	of	IN
43297	296	17	great	great	JJ
43297	296	18	importance	importance	NN
43297	296	19	in	in	IN
43297	296	20	some	some	DT
43297	296	21	industries	industry	NNS
43297	296	22	,	,	,
43297	296	23	as	as	IN
43297	296	24	by	by	IN
43297	296	25	stopping	stop	VBG
43297	296	26	it	-PRON-	PRP
43297	296	27	at	at	IN
43297	296	28	an	an	DT
43297	296	29	appropriate	appropriate	JJ
43297	296	30	stage	stage	NN
43297	296	31	articles	article	NNS
43297	296	32	of	of	IN
43297	296	33	any	any	DT
43297	296	34	desired	desire	VBN
43297	296	35	degree	degree	NN
43297	296	36	of	of	IN
43297	296	37	porosity	porosity	NN
43297	296	38	,	,	,
43297	296	39	translucency	translucency	NN
43297	296	40	or	or	CC
43297	296	41	strength	strength	NN
43297	296	42	may	may	MD
43297	296	43	be	be	VB
43297	296	44	obtained	obtain	VBN
43297	296	45	.	.	.
43297	297	1	Thus	thus	RB
43297	297	2	for	for	IN
43297	297	3	common	common	JJ
43297	297	4	bricks	brick	NNS
43297	297	5	,	,	,
43297	297	6	only	only	RB
43297	297	7	sufficient	sufficient	JJ
43297	297	8	vitrification	vitrification	NN
43297	297	9	is	be	VBZ
43297	297	10	permitted	permit	VBN
43297	297	11	to	to	TO
43297	297	12	bind	bind	VB
43297	297	13	the	the	DT
43297	297	14	particles	particle	NNS
43297	297	15	firmly	firmly	RB
43297	297	16	together	together	RB
43297	297	17	,	,	,
43297	297	18	but	but	CC
43297	297	19	in	in	IN
43297	297	20	engineering	engineering	NN
43297	297	21	bricks	brick	NNS
43297	297	22	--	--	:
43297	297	23	where	where	WRB
43297	297	24	much	much	RB
43297	297	25	greater	great	JJR
43297	297	26	strength	strength	NN
43297	297	27	is	be	VBZ
43297	297	28	required	require	VBN
43297	297	29	--	--	:
43297	297	30	the	the	DT
43297	297	31	vitrification	vitrification	NN
43297	297	32	is	be	VBZ
43297	297	33	more	more	RBR
43297	297	34	complete	complete	JJ
43297	297	35	.	.	.
43297	298	1	Porcelain	porcelain	NN
43297	298	2	and	and	CC
43297	298	3	earthenware	earthenware	NN
43297	298	4	may	may	MD
43297	298	5	be	be	VB
43297	298	6	similarly	similarly	RB
43297	298	7	distinguished	distinguish	VBN
43297	298	8	.	.	.
43297	299	1	The	the	DT
43297	299	2	extent	extent	NN
43297	299	3	to	to	TO
43297	299	4	which	which	WDT
43297	299	5	a	a	DT
43297	299	6	given	give	VBN
43297	299	7	clay	clay	NN
43297	299	8	will	will	MD
43297	299	9	vitrify	vitrify	VB
43297	299	10	depends	depend	VBZ
43297	299	11	on	on	IN
43297	299	12	the	the	DT
43297	299	13	amount	amount	NN
43297	299	14	of	of	IN
43297	299	15	fluxing	flux	VBG
43297	299	16	material	material	NN
43297	299	17	(	(	-LRB-
43297	299	18	metallic	metallic	JJ
43297	299	19	compounds	compound	NNS
43297	299	20	,	,	,
43297	299	21	and	and	CC
43297	299	22	oxides	oxide	NNS
43297	299	23	other	other	JJ
43297	299	24	than	than	IN
43297	299	25	ferric	ferric	JJ
43297	299	26	oxide	oxide	NN
43297	299	27	and	and	CC
43297	299	28	alumina	alumina	NNP
43297	299	29	)	)	-RRB-
43297	299	30	it	-PRON-	PRP
43297	299	31	contains	contain	VBZ
43297	299	32	,	,	,
43297	299	33	on	on	IN
43297	299	34	the	the	DT
43297	299	35	smallness	smallness	NN
43297	299	36	of	of	IN
43297	299	37	its	-PRON-	PRP$
43297	299	38	particles	particle	NNS
43297	299	39	and	and	CC
43297	299	40	on	on	IN
43297	299	41	the	the	DT
43297	299	42	duration	duration	NN
43297	299	43	and	and	CC
43297	299	44	intensity	intensity	NN
43297	299	45	of	of	IN
43297	299	46	the	the	DT
43297	299	47	heating	heating	NN
43297	299	48	.	.	.
43297	300	1	Clays	clay	NNS
43297	300	2	containing	contain	VBG
43297	300	3	alkalies	alkali	NNS
43297	300	4	and	and	CC
43297	300	5	lime	lime	NN
43297	300	6	compounds	compound	NNS
43297	300	7	vitrify	vitrify	VB
43297	300	8	with	with	IN
43297	300	9	great	great	JJ
43297	300	10	rapidity	rapidity	NN
43297	300	11	when	when	WRB
43297	300	12	once	once	IN
43297	300	13	the	the	DT
43297	300	14	necessary	necessary	JJ
43297	300	15	temperature	temperature	NN
43297	300	16	has	have	VBZ
43297	300	17	been	be	VBN
43297	300	18	reached	reach	VBN
43297	300	19	,	,	,
43297	300	20	so	so	IN
43297	300	21	that	that	IN
43297	300	22	unless	unless	IN
43297	300	23	great	great	JJ
43297	300	24	care	care	NN
43297	300	25	is	be	VBZ
43297	300	26	exercised	exercise	VBN
43297	300	27	the	the	DT
43297	300	28	action	action	NN
43297	300	29	will	will	MD
43297	300	30	proceed	proceed	VB
43297	300	31	too	too	RB
43297	300	32	far	far	RB
43297	300	33	and	and	CC
43297	300	34	the	the	DT
43297	300	35	goods	good	NNS
43297	300	36	will	will	MD
43297	300	37	be	be	VB
43297	300	38	warped	warped	JJ
43297	300	39	and	and	CC
43297	300	40	twisted	twist	VBN
43297	300	41	or	or	CC
43297	300	42	may	may	MD
43297	300	43	even	even	RB
43297	300	44	form	form	VB
43297	300	45	a	a	DT
43297	300	46	rough	rough	JJ
43297	300	47	slag	slag	NN
43297	300	48	.	.	.
43297	301	1	Refractory	refractory	JJ
43297	301	2	clays	clay	NNS
43297	301	3	,	,	,
43297	301	4	on	on	IN
43297	301	5	the	the	DT
43297	301	6	contrary	contrary	NN
43297	301	7	,	,	,
43297	301	8	vitrify	vitrify	VB
43297	301	9	more	more	RBR
43297	301	10	slowly	slowly	RB
43297	301	11	and	and	CC
43297	301	12	at	at	IN
43297	301	13	much	much	RB
43297	301	14	higher	high	JJR
43297	301	15	temperatures	temperature	NNS
43297	301	16	so	so	IN
43297	301	17	that	that	IN
43297	301	18	accidental	accidental	JJ
43297	301	19	overheatings	overheating	NNS
43297	301	20	of	of	IN
43297	301	21	them	-PRON-	PRP
43297	301	22	are	be	VBP
43297	301	23	far	far	RB
43297	301	24	less	less	RBR
43297	301	25	common	common	JJ
43297	301	26	.	.	.
43297	302	1	The	the	DT
43297	302	2	difference	difference	NN
43297	302	3	between	between	IN
43297	302	4	the	the	DT
43297	302	5	temperature	temperature	NN
43297	302	6	at	at	IN
43297	302	7	which	which	WDT
43297	302	8	sintering	sintering	NN
43297	302	9	or	or	CC
43297	302	10	vitrification	vitrification	NN
43297	302	11	occurs	occur	VBZ
43297	302	12	and	and	CC
43297	302	13	that	that	IN
43297	302	14	at	at	IN
43297	302	15	which	which	WDT
43297	302	16	the	the	DT
43297	302	17	clay	clay	NN
43297	302	18	melts	melt	NNS
43297	302	19	completely	completely	RB
43297	302	20	--	--	:
43297	302	21	usually	usually	RB
43297	302	22	termed	term	VBN
43297	302	23	the	the	DT
43297	302	24	'	'	``
43297	302	25	vitrification	vitrification	NN
43297	302	26	range'--varies	range'--varie	NNS
43297	302	27	with	with	IN
43297	302	28	the	the	DT
43297	302	29	nature	nature	NN
43297	302	30	of	of	IN
43297	302	31	the	the	DT
43297	302	32	clay	clay	NN
43297	302	33	.	.	.
43297	303	1	In	in	IN
43297	303	2	some	some	DT
43297	303	3	cases	case	NNS
43297	303	4	the	the	DT
43297	303	5	clay	clay	NN
43297	303	6	melts	melt	NNS
43297	303	7	as	as	RB
43297	303	8	soon	soon	RB
43297	303	9	as	as	IN
43297	303	10	vitrification	vitrification	NN
43297	303	11	becomes	become	VBZ
43297	303	12	noticeable	noticeable	JJ
43297	303	13	,	,	,
43297	303	14	in	in	IN
43297	303	15	others	other	NNS
43297	303	16	the	the	DT
43297	303	17	vitrification	vitrification	NN
43297	303	18	occurs	occur	VBZ
43297	303	19	at	at	IN
43297	303	20	a	a	DT
43297	303	21	dull	dull	JJ
43297	303	22	red	red	JJ
43297	303	23	heat	heat	NN
43297	303	24	,	,	,
43297	303	25	but	but	CC
43297	303	26	the	the	DT
43297	303	27	material	material	NN
43297	303	28	does	do	VBZ
43297	303	29	not	not	RB
43297	303	30	lose	lose	VB
43297	303	31	its	-PRON-	PRP$
43297	303	32	shape	shape	NN
43297	303	33	until	until	IN
43297	303	34	after	after	IN
43297	303	35	a	a	DT
43297	303	36	prolonged	prolonged	JJ
43297	303	37	heating	heating	NN
43297	303	38	at	at	IN
43297	303	39	the	the	DT
43297	303	40	highest	high	JJS
43297	303	41	temperature	temperature	NN
43297	303	42	of	of	IN
43297	303	43	a	a	DT
43297	303	44	firebrick	firebrick	JJ
43297	303	45	kiln	kiln	NN
43297	303	46	or	or	CC
43297	303	47	testing	testing	NN
43297	303	48	furnace	furnace	NN
43297	303	49	.	.	.
43297	304	1	Calcareous	calcareous	JJ
43297	304	2	clays	clay	NNS
43297	304	3	have	have	VBP
43297	304	4	the	the	DT
43297	304	5	melting	melt	VBG
43297	304	6	and	and	CC
43297	304	7	sintering	sinter	VBG
43297	304	8	points	point	NNS
43297	304	9	close	close	RB
43297	304	10	together	together	RB
43297	304	11	,	,	,
43297	304	12	so	so	IN
43297	304	13	that	that	IN
43297	304	14	it	-PRON-	PRP
43297	304	15	is	be	VBZ
43297	304	16	almost	almost	RB
43297	304	17	impossible	impossible	JJ
43297	304	18	to	to	TO
43297	304	19	produce	produce	VB
43297	304	20	vitrified	vitrified	JJ
43297	304	21	and	and	CC
43297	304	22	impervious	impervious	JJ
43297	304	23	ware	ware	NN
43297	304	24	from	from	IN
43297	304	25	them	-PRON-	PRP
43297	304	26	,	,	,
43297	304	27	as	as	IN
43297	304	28	they	-PRON-	PRP
43297	304	29	lose	lose	VBP
43297	304	30	their	-PRON-	PRP$
43297	304	31	shape	shape	NN
43297	304	32	too	too	RB
43297	304	33	readily	readily	RB
43297	304	34	.	.	.
43297	305	1	If	if	IN
43297	305	2	,	,	,
43297	305	3	however	however	RB
43297	305	4	,	,	,
43297	305	5	the	the	DT
43297	305	6	difference	difference	NN
43297	305	7	between	between	IN
43297	305	8	the	the	DT
43297	305	9	sintering	sinter	VBG
43297	305	10	and	and	CC
43297	305	11	fusing	fuse	VBG
43297	305	12	temperatures	temperature	NNS
43297	305	13	can	can	MD
43297	305	14	be	be	VB
43297	305	15	enlarged	enlarge	VBN
43297	305	16	--	--	:
43297	305	17	that	that	RB
43297	305	18	is	is	RB
43297	305	19	,	,	,
43297	305	20	if	if	IN
43297	305	21	the	the	DT
43297	305	22	vitrification	vitrification	NN
43297	305	23	range	range	NN
43297	305	24	can	can	MD
43297	305	25	be	be	VB
43297	305	26	extended	extend	VBN
43297	305	27	--	--	:
43297	305	28	more	more	RBR
43297	305	29	impervious	impervious	JJ
43297	305	30	ware	ware	NN
43297	305	31	can	can	MD
43297	305	32	be	be	VB
43297	305	33	made	make	VBN
43297	305	34	.	.	.
43297	306	1	The	the	DT
43297	306	2	easiest	easy	JJS
43297	306	3	means	mean	NNS
43297	306	4	of	of	IN
43297	306	5	extending	extend	VBG
43297	306	6	the	the	DT
43297	306	7	vitrification	vitrification	NN
43297	306	8	range	range	NN
43297	306	9	consists	consist	VBZ
43297	306	10	in	in	IN
43297	306	11	regulating	regulate	VBG
43297	306	12	the	the	DT
43297	306	13	proportion	proportion	NN
43297	306	14	of	of	IN
43297	306	15	large	large	JJ
43297	306	16	and	and	CC
43297	306	17	small	small	JJ
43297	306	18	particles	particle	NNS
43297	306	19	.	.	.
43297	307	1	The	the	DT
43297	307	2	former	former	JJ
43297	307	3	increase	increase	NN
43297	307	4	and	and	CC
43297	307	5	the	the	DT
43297	307	6	latter	latter	JJ
43297	307	7	diminish	diminish	NN
43297	307	8	the	the	DT
43297	307	9	range	range	NN
43297	307	10	.	.	.
43297	308	1	Basic	basic	JJ
43297	308	2	compounds	compound	NNS
43297	308	3	and	and	CC
43297	308	4	fluxes	flux	NNS
43297	308	5	cause	cause	VBP
43297	308	6	a	a	DT
43297	308	7	lowering	lowering	NN
43297	308	8	of	of	IN
43297	308	9	the	the	DT
43297	308	10	melting	melting	NN
43297	308	11	-	-	HYPH
43297	308	12	point	point	NN
43297	308	13	and	and	CC
43297	308	14	a	a	DT
43297	308	15	shortening	shortening	NN
43297	308	16	of	of	IN
43297	308	17	the	the	DT
43297	308	18	vitrification	vitrification	NN
43297	308	19	range	range	NN
43297	308	20	.	.	.
43297	309	1	The	the	DT
43297	309	2	_	_	NNP
43297	309	3	porosity	porosity	NN
43297	309	4	_	_	NNP
43297	309	5	of	of	IN
43297	309	6	raw	raw	JJ
43297	309	7	clay	clay	NN
43297	309	8	is	be	VBZ
43297	309	9	usually	usually	RB
43297	309	10	of	of	IN
43297	309	11	small	small	JJ
43297	309	12	importance	importance	NN
43297	309	13	,	,	,
43297	309	14	but	but	CC
43297	309	15	the	the	DT
43297	309	16	porosity	porosity	NN
43297	309	17	of	of	IN
43297	309	18	fired	fire	VBN
43297	309	19	clay	clay	NN
43297	309	20	or	or	CC
43297	309	21	ware	ware	NN
43297	309	22	is	be	VBZ
43297	309	23	often	often	RB
43297	309	24	a	a	DT
43297	309	25	serious	serious	JJ
43297	309	26	factor	factor	NN
43297	309	27	in	in	IN
43297	309	28	determining	determine	VBG
43297	309	29	the	the	DT
43297	309	30	suitability	suitability	NN
43297	309	31	of	of	IN
43297	309	32	certain	certain	JJ
43297	309	33	articles	article	NNS
43297	309	34	for	for	IN
43297	309	35	their	-PRON-	PRP$
43297	309	36	intended	intend	VBN
43297	309	37	purposes	purpose	NNS
43297	309	38	.	.	.
43297	310	1	In	in	IN
43297	310	2	its	-PRON-	PRP$
43297	310	3	natural	natural	JJ
43297	310	4	state	state	NN
43297	310	5	,	,	,
43297	310	6	clay	clay	NN
43297	310	7	does	do	VBZ
43297	310	8	not	not	RB
43297	310	9	readily	readily	RB
43297	310	10	absorb	absorb	VB
43297	310	11	much	much	JJ
43297	310	12	water	water	NN
43297	310	13	;	;	:
43297	310	14	on	on	IN
43297	310	15	the	the	DT
43297	310	16	contrary	contrary	NN
43297	310	17	it	-PRON-	PRP
43297	310	18	becomes	become	VBZ
43297	310	19	pasty	pasty	JJ
43297	310	20	and	and	CC
43297	310	21	impervious	impervious	JJ
43297	310	22	unless	unless	IN
43297	310	23	it	-PRON-	PRP
43297	310	24	is	be	VBZ
43297	310	25	disturbed	disturb	VBN
43297	310	26	and	and	CC
43297	310	27	its	-PRON-	PRP$
43297	310	28	texture	texture	NN
43297	310	29	destroyed	destroy	VBN
43297	310	30	,	,	,
43297	310	31	when	when	WRB
43297	310	32	it	-PRON-	PRP
43297	310	33	may	may	MD
43297	310	34	be	be	VB
43297	310	35	mixed	mix	VBN
43297	310	36	with	with	IN
43297	310	37	water	water	NN
43297	310	38	to	to	TO
43297	310	39	form	form	VB
43297	310	40	a	a	DT
43297	310	41	paste	paste	NN
43297	310	42	or	or	CC
43297	310	43	,	,	,
43297	310	44	with	with	IN
43297	310	45	more	more	JJR
43297	310	46	water	water	NN
43297	310	47	,	,	,
43297	310	48	a	a	DT
43297	310	49	thin	thin	JJ
43297	310	50	'	'	``
43297	310	51	cream	cream	NN
43297	310	52	'	'	''
43297	310	53	or	or	CC
43297	310	54	'	'	``
43297	310	55	slurry	slurry	VB
43297	310	56	.	.	.
43297	310	57	'	'	''
43297	311	1	When	when	WRB
43297	311	2	heated	heat	VBN
43297	311	3	moderately	moderately	RB
43297	311	4	,	,	,
43297	311	5	clay	clay	NN
43297	311	6	forms	form	VBZ
43297	311	7	a	a	DT
43297	311	8	porous	porous	JJ
43297	311	9	material	material	NN
43297	311	10	and	and	CC
43297	311	11	,	,	,
43297	311	12	unless	unless	IN
43297	311	13	the	the	DT
43297	311	14	heating	heating	NN
43297	311	15	is	be	VBZ
43297	311	16	excessive	excessive	JJ
43297	311	17	,	,	,
43297	311	18	it	-PRON-	PRP
43297	311	19	will	will	MD
43297	311	20	absorb	absorb	VB
43297	311	21	about	about	RB
43297	311	22	one	one	CD
43297	311	23	-	-	HYPH
43297	311	24	eighth	eighth	JJ
43297	311	25	of	of	IN
43297	311	26	its	-PRON-	PRP$
43297	311	27	weight	weight	NN
43297	311	28	of	of	IN
43297	311	29	water	water	NN
43297	311	30	.	.	.
43297	312	1	Further	further	JJ
43297	312	2	heating	heating	NN
43297	312	3	at	at	IN
43297	312	4	a	a	DT
43297	312	5	higher	high	JJR
43297	312	6	temperature	temperature	NN
43297	312	7	reduces	reduce	VBZ
43297	312	8	its	-PRON-	PRP$
43297	312	9	porosity	porosity	NN
43297	312	10	--	--	:
43297	312	11	the	the	DT
43297	312	12	more	more	RBR
43297	312	13	easily	easily	RB
43297	312	14	fused	fuse	VBN
43297	312	15	material	material	NN
43297	312	16	filling	fill	VBG
43297	312	17	some	some	DT
43297	312	18	of	of	IN
43297	312	19	the	the	DT
43297	312	20	pores	pore	NNS
43297	312	21	--	--	:
43297	312	22	until	until	IN
43297	312	23	a	a	DT
43297	312	24	stage	stage	NN
43297	312	25	is	be	VBZ
43297	312	26	reached	reach	VBN
43297	312	27	when	when	WRB
43297	312	28	the	the	DT
43297	312	29	material	material	NN
43297	312	30	is	be	VBZ
43297	312	31	completely	completely	RB
43297	312	32	vitrified	vitrified	JJ
43297	312	33	and	and	CC
43297	312	34	is	be	VBZ
43297	312	35	no	no	DT
43297	312	36	longer	long	RBR
43297	312	37	porous	porous	JJ
43297	312	38	.	.	.
43297	313	1	Porosity	porosity	NN
43297	313	2	may	may	MD
43297	313	3	thus	thus	RB
43297	313	4	be	be	VB
43297	313	5	regarded	regard	VBN
43297	313	6	as	as	IN
43297	313	7	the	the	DT
43297	313	8	opposite	opposite	NN
43297	313	9	of	of	IN
43297	313	10	vitrification	vitrification	NN
43297	313	11	;	;	:
43297	313	12	porous	porous	JJ
43297	313	13	goods	good	NNS
43297	313	14	being	be	VBG
43297	313	15	relatively	relatively	RB
43297	313	16	light	light	JJ
43297	313	17	and	and	CC
43297	313	18	soft	soft	JJ
43297	313	19	whilst	whilst	IN
43297	313	20	vitrified	vitrified	JJ
43297	313	21	ones	one	NNS
43297	313	22	are	be	VBP
43297	313	23	dense	dense	JJ
43297	313	24	and	and	CC
43297	313	25	hard	hard	JJ
43297	313	26	.	.	.
43297	314	1	For	for	IN
43297	314	2	some	some	DT
43297	314	3	purposes	purpose	NNS
43297	314	4	,	,	,
43297	314	5	porosity	porosity	NN
43297	314	6	is	be	VBZ
43297	314	7	an	an	DT
43297	314	8	important	important	JJ
43297	314	9	characteristic	characteristic	NN
43297	314	10	:	:	:
43297	314	11	for	for	IN
43297	314	12	example	example	NN
43297	314	13	,	,	,
43297	314	14	building	build	VBG
43297	314	15	bricks	brick	NNS
43297	314	16	which	which	WDT
43297	314	17	are	be	VBP
43297	314	18	moderately	moderately	RB
43297	314	19	porous	porous	JJ
43297	314	20	are	be	VBP
43297	314	21	preferable	preferable	JJ
43297	314	22	to	to	IN
43297	314	23	those	those	DT
43297	314	24	which	which	WDT
43297	314	25	are	be	VBP
43297	314	26	vitrified	vitrify	VBN
43297	314	27	.	.	.
43297	315	1	The	the	DT
43297	315	2	manufacture	manufacture	NN
43297	315	3	of	of	IN
43297	315	4	porous	porous	JJ
43297	315	5	blocks	block	NNS
43297	315	6	for	for	IN
43297	315	7	the	the	DT
43297	315	8	construction	construction	NN
43297	315	9	of	of	IN
43297	315	10	light	light	JJ
43297	315	11	,	,	,
43297	315	12	sound	sound	JJ
43297	315	13	-	-	HYPH
43297	315	14	proof	proof	JJ
43297	315	15	partitions	partition	NNS
43297	315	16	,	,	,
43297	315	17	etc	etc	FW
43297	315	18	.	.	.
43297	316	1	has	have	VBZ
43297	316	2	increased	increase	VBN
43297	316	3	rapidly	rapidly	RB
43297	316	4	of	of	IN
43297	316	5	late	late	RB
43297	316	6	.	.	.
43297	317	1	They	-PRON-	PRP
43297	317	2	are	be	VBP
43297	317	3	made	make	VBN
43297	317	4	by	by	IN
43297	317	5	adding	add	VBG
43297	317	6	sawdust	sawdust	NNP
43297	317	7	or	or	CC
43297	317	8	other	other	JJ
43297	317	9	combustible	combustible	JJ
43297	317	10	material	material	NN
43297	317	11	to	to	IN
43297	317	12	the	the	DT
43297	317	13	clay	clay	NN
43297	317	14	.	.	.
43297	318	1	The	the	DT
43297	318	2	added	add	VBN
43297	318	3	substances	substance	NNS
43297	318	4	burn	burn	VBP
43297	318	5	out	out	RP
43297	318	6	on	on	IN
43297	318	7	firing	fire	VBG
43297	318	8	the	the	DT
43297	318	9	goods	good	NNS
43297	318	10	in	in	IN
43297	318	11	a	a	DT
43297	318	12	kiln	kiln	NN
43297	318	13	.	.	.
43297	319	1	Clays	clay	NNS
43297	319	2	which	which	WDT
43297	319	3	are	be	VBP
43297	319	4	porous	porous	JJ
43297	319	5	can	can	MD
43297	319	6	be	be	VB
43297	319	7	dried	dry	VBN
43297	319	8	more	more	RBR
43297	319	9	readily	readily	RB
43297	319	10	and	and	CC
43297	319	11	with	with	IN
43297	319	12	less	less	JJR
43297	319	13	risk	risk	NN
43297	319	14	of	of	IN
43297	319	15	cracking	crack	VBG
43297	319	16	than	than	IN
43297	319	17	those	those	DT
43297	319	18	which	which	WDT
43297	319	19	are	be	VBP
43297	319	20	more	more	RBR
43297	319	21	dense	dense	JJ
43297	319	22	.	.	.
43297	320	1	For	for	IN
43297	320	2	this	this	DT
43297	320	3	reason	reason	NN
43297	320	4	,	,	,
43297	320	5	some	some	DT
43297	320	6	clayworkers	clayworker	NNS
43297	320	7	mix	mix	VBP
43297	320	8	non	non	JJ
43297	320	9	-	-	JJ
43297	320	10	plastic	plastic	JJ
43297	320	11	material	material	NN
43297	320	12	such	such	JJ
43297	320	13	as	as	IN
43297	320	14	sand	sand	NN
43297	320	15	or	or	CC
43297	320	16	burned	burn	VBD
43297	320	17	clay	clay	NN
43297	320	18	with	with	IN
43297	320	19	their	-PRON-	PRP$
43297	320	20	raw	raw	JJ
43297	320	21	material	material	NN
43297	320	22	.	.	.
43297	321	1	The	the	DT
43297	321	2	_	_	NNP
43297	321	3	impermeability	impermeability	NN
43297	321	4	_	_	NNP
43297	321	5	of	of	IN
43297	321	6	plastic	plastic	JJ
43297	321	7	clay	clay	NN
43297	321	8	to	to	IN
43297	321	9	water	water	NN
43297	321	10	is	be	VBZ
43297	321	11	a	a	DT
43297	321	12	characteristic	characteristic	JJ
43297	321	13	which	which	WDT
43297	321	14	is	be	VBZ
43297	321	15	important	important	JJ
43297	321	16	for	for	IN
43297	321	17	many	many	JJ
43297	321	18	purposes	purpose	NNS
43297	321	19	.	.	.
43297	322	1	The	the	DT
43297	322	2	_	_	NNP
43297	322	3	absorptive	absorptive	JJ
43297	322	4	power	power	NN
43297	322	5	_	_	NNP
43297	322	6	of	of	IN
43297	322	7	clays	clay	NNS
43297	322	8	is	be	VBZ
43297	322	9	closely	closely	RB
43297	322	10	related	related	JJ
43297	322	11	to	to	IN
43297	322	12	their	-PRON-	PRP$
43297	322	13	porosity	porosity	NN
43297	322	14	so	so	RB
43297	322	15	far	far	RB
43297	322	16	as	as	IN
43297	322	17	pure	pure	JJ
43297	322	18	water	water	NN
43297	322	19	is	be	VBZ
43297	322	20	concerned	concern	VBN
43297	322	21	,	,	,
43297	322	22	but	but	CC
43297	322	23	if	if	IN
43297	322	24	the	the	DT
43297	322	25	water	water	NN
43297	322	26	contains	contain	VBZ
43297	322	27	certain	certain	JJ
43297	322	28	salts	salt	NNS
43297	322	29	in	in	IN
43297	322	30	solution	solution	NN
43297	322	31	a	a	DT
43297	322	32	selective	selective	JJ
43297	322	33	absorption	absorption	NN
43297	322	34	occurs	occur	VBZ
43297	322	35	,	,	,
43297	322	36	the	the	DT
43297	322	37	bases	basis	NNS
43297	322	38	being	be	VBG
43297	322	39	retained	retain	VBN
43297	322	40	by	by	IN
43297	322	41	the	the	DT
43297	322	42	clay	clay	NN
43297	322	43	in	in	IN
43297	322	44	such	such	PDT
43297	322	45	a	a	DT
43297	322	46	manner	manner	NN
43297	322	47	that	that	IN
43297	322	48	they	-PRON-	PRP
43297	322	49	can	can	MD
43297	322	50	not	not	RB
43297	322	51	be	be	VB
43297	322	52	removed	remove	VBN
43297	322	53	by	by	IN
43297	322	54	washing	wash	VBG
43297	322	55	.	.	.
43297	323	1	The	the	DT
43297	323	2	selective	selective	JJ
43297	323	3	action	action	NN
43297	323	4	is	be	VBZ
43297	323	5	known	know	VBN
43297	323	6	as	as	IN
43297	323	7	_	_	NNP
43297	323	8	adsorption	adsorption	NN
43297	323	9	_	_	NNP
43297	323	10	and	and	CC
43297	323	11	is	be	VBZ
43297	323	12	most	most	RBS
43297	323	13	noticeable	noticeable	JJ
43297	323	14	in	in	IN
43297	323	15	highly	highly	RB
43297	323	16	plastic	plastic	JJ
43297	323	17	clays	clay	NNS
43297	323	18	.	.	.
43297	324	1	Bourry	Bourry	NNP
43297	324	2	(	(	-LRB-
43297	324	3	10	10	CD
43297	324	4	)	)	-RRB-
43297	324	5	has	have	VBZ
43297	324	6	shown	show	VBN
43297	324	7	that	that	IN
43297	324	8	the	the	DT
43297	324	9	slightly	slightly	RB
43297	324	10	plastic	plastic	JJ
43297	324	11	china	china	NNP
43297	324	12	clays	clay	NNS
43297	324	13	only	only	RB
43297	324	14	exercise	exercise	VBP
43297	324	15	a	a	DT
43297	324	16	small	small	JJ
43297	324	17	power	power	NN
43297	324	18	of	of	IN
43297	324	19	adsorbing	adsorb	VBG
43297	324	20	calcium	calcium	NN
43297	324	21	carbonate	carbonate	NN
43297	324	22	from	from	IN
43297	324	23	solution	solution	NN
43297	324	24	,	,	,
43297	324	25	but	but	CC
43297	324	26	highly	highly	RB
43297	324	27	plastic	plastic	JJ
43297	324	28	clays	clay	NNS
43297	324	29	may	may	MD
43297	324	30	adsorb	adsorb	VB
43297	324	31	20	20	CD
43297	324	32	per	per	NN
43297	324	33	cent	cent	NN
43297	324	34	.	.	.
43297	325	1	of	of	IN
43297	325	2	it	-PRON-	PRP
43297	325	3	.	.	.
43297	326	1	The	the	DT
43297	326	2	alkaline	alkaline	NN
43297	326	3	chlorides	chloride	NNS
43297	326	4	and	and	CC
43297	326	5	sulphates	sulphate	NNS
43297	326	6	do	do	VBP
43297	326	7	not	not	RB
43297	326	8	appear	appear	VB
43297	326	9	to	to	TO
43297	326	10	be	be	VB
43297	326	11	adsorbed	adsorb	VBN
43297	326	12	in	in	IN
43297	326	13	this	this	DT
43297	326	14	manner	manner	NN
43297	326	15	,	,	,
43297	326	16	but	but	CC
43297	326	17	the	the	DT
43297	326	18	carbonates	carbonate	NNS
43297	326	19	are	be	VBP
43297	326	20	readily	readily	RB
43297	326	21	removed	remove	VBN
43297	326	22	from	from	IN
43297	326	23	solution	solution	NN
43297	326	24	.	.	.
43297	327	1	All	all	DT
43297	327	2	calcium	calcium	NN
43297	327	3	and	and	CC
43297	327	4	magnesium	magnesium	NN
43297	327	5	compounds	compound	NNS
43297	327	6	appear	appear	VBP
43297	327	7	to	to	TO
43297	327	8	be	be	VB
43297	327	9	adsorbed	adsorb	VBN
43297	327	10	,	,	,
43297	327	11	though	though	IN
43297	327	12	in	in	IN
43297	327	13	variable	variable	JJ
43297	327	14	quantities	quantity	NNS
43297	327	15	,	,	,
43297	327	16	the	the	DT
43297	327	17	reaction	reaction	NN
43297	327	18	being	be	VBG
43297	327	19	complicated	complicate	VBN
43297	327	20	when	when	WRB
43297	327	21	several	several	JJ
43297	327	22	soluble	soluble	JJ
43297	327	23	salts	salt	NNS
43297	327	24	are	be	VBP
43297	327	25	present	present	JJ
43297	327	26	.	.	.
43297	328	1	Ries	rie	NNS
43297	328	2	(	(	-LRB-
43297	328	3	6	6	CD
43297	328	4	)	)	-RRB-
43297	328	5	has	have	VBZ
43297	328	6	found	find	VBN
43297	328	7	that	that	IN
43297	328	8	gallo	gallo	NN
43297	328	9	-	-	HYPH
43297	328	10	tannic	tannic	NN
43297	328	11	acid	acid	NN
43297	328	12	is	be	VBZ
43297	328	13	adsorbed	adsorb	VBN
43297	328	14	readily	readily	RB
43297	328	15	and	and	CC
43297	328	16	increases	increase	VBZ
43297	328	17	the	the	DT
43297	328	18	plasticity	plasticity	NN
43297	328	19	of	of	IN
43297	328	20	clay	clay	NN
43297	328	21	.	.	.
43297	329	1	Ashley	Ashley	NNP
43297	329	2	(	(	-LRB-
43297	329	3	11	11	CD
43297	329	4	)	)	-RRB-
43297	329	5	has	have	VBZ
43297	329	6	endeavoured	endeavour	VBN
43297	329	7	to	to	TO
43297	329	8	measure	measure	VB
43297	329	9	the	the	DT
43297	329	10	plasticity	plasticity	NN
43297	329	11	of	of	IN
43297	329	12	clays	clay	NNS
43297	329	13	by	by	IN
43297	329	14	determining	determine	VBG
43297	329	15	their	-PRON-	PRP$
43297	329	16	adsorption	adsorption	NN
43297	329	17	capacity	capacity	NN
43297	329	18	for	for	IN
43297	329	19	various	various	JJ
43297	329	20	aniline	aniline	NN
43297	329	21	dyes	dye	NNS
43297	329	22	,	,	,
43297	329	23	but	but	CC
43297	329	24	his	-PRON-	PRP$
43297	329	25	untimely	untimely	JJ
43297	329	26	decease	decease	NN
43297	329	27	prevented	prevent	VBD
43297	329	28	the	the	DT
43297	329	29	investigation	investigation	NN
43297	329	30	being	be	VBG
43297	329	31	completed	complete	VBN
43297	329	32	.	.	.
43297	330	1	There	there	EX
43297	330	2	is	be	VBZ
43297	330	3	reason	reason	NN
43297	330	4	to	to	TO
43297	330	5	suppose	suppose	VB
43297	330	6	that	that	IN
43297	330	7	the	the	DT
43297	330	8	relation	relation	NN
43297	330	9	between	between	IN
43297	330	10	adsorption	adsorption	NN
43297	330	11	and	and	CC
43297	330	12	plasticity	plasticity	NN
43297	330	13	is	be	VBZ
43297	330	14	extremely	extremely	RB
43297	330	15	close	close	JJ
43297	330	16	in	in	IN
43297	330	17	many	many	JJ
43297	330	18	clays	clay	NNS
43297	330	19	and	and	CC
43297	330	20	that	that	IN
43297	330	21	the	the	DT
43297	330	22	former	former	JJ
43297	330	23	may	may	NN
43297	330	24	,	,	,
43297	330	25	to	to	IN
43297	330	26	an	an	DT
43297	330	27	important	important	JJ
43297	330	28	extent	extent	NN
43297	330	29	,	,	,
43297	330	30	be	be	VB
43297	330	31	used	use	VBN
43297	330	32	as	as	IN
43297	330	33	a	a	DT
43297	330	34	measure	measure	NN
43297	330	35	of	of	IN
43297	330	36	the	the	DT
43297	330	37	latter	latter	JJ
43297	330	38	.	.	.
43297	331	1	In	in	IN
43297	331	2	some	some	DT
43297	331	3	clays	clay	NNS
43297	331	4	,	,	,
43297	331	5	however	however	RB
43297	331	6	,	,	,
43297	331	7	this	this	DT
43297	331	8	relationship	relationship	NN
43297	331	9	does	do	VBZ
43297	331	10	not	not	RB
43297	331	11	exist	exist	VB
43297	331	12	.	.	.
43297	332	1	Sand	sand	NN
43297	332	2	and	and	CC
43297	332	3	burned	burn	VBD
43297	332	4	clay	clay	NN
43297	332	5	only	only	RB
43297	332	6	show	show	NN
43297	332	7	faint	faint	JJ
43297	332	8	adsorption	adsorption	NN
43297	332	9	phenomena	phenomenon	NNS
43297	332	10	;	;	,
43297	332	11	felspar	felspar	NNP
43297	332	12	shows	show	VBZ
43297	332	13	them	-PRON-	PRP
43297	332	14	to	to	IN
43297	332	15	a	a	DT
43297	332	16	slight	slight	JJ
43297	332	17	and	and	CC
43297	332	18	almost	almost	RB
43297	332	19	negligible	negligible	JJ
43297	332	20	extent	extent	NN
43297	332	21	and	and	CC
43297	332	22	most	most	JJS
43297	332	23	of	of	IN
43297	332	24	the	the	DT
43297	332	25	other	other	JJ
43297	332	26	non	non	JJ
43297	332	27	-	-	JJ
43297	332	28	plastic	plastic	JJ
43297	332	29	ingredients	ingredient	NNS
43297	332	30	of	of	IN
43297	332	31	clays	clay	NNS
43297	332	32	are	be	VBP
43297	332	33	non	non	JJ
43297	332	34	-	-	JJ
43297	332	35	adsorptive	adsorptive	JJ
43297	332	36	.	.	.
43297	333	1	Selective	selective	JJ
43297	333	2	adsorption	adsorption	NN
43297	333	3	being	be	VBG
43297	333	4	an	an	DT
43297	333	5	important	important	JJ
43297	333	6	characteristic	characteristic	NN
43297	333	7	of	of	IN
43297	333	8	colloidal	colloidal	JJ
43297	333	9	substances	substance	NNS
43297	333	10	,	,	,
43297	333	11	the	the	DT
43297	333	12	possession	possession	NN
43297	333	13	of	of	IN
43297	333	14	this	this	DT
43297	333	15	power	power	NN
43297	333	16	by	by	IN
43297	333	17	plastic	plastic	NN
43297	333	18	clays	clay	NNS
43297	333	19	supports	support	VBZ
43297	333	20	the	the	DT
43297	333	21	claim	claim	NN
43297	333	22	that	that	IN
43297	333	23	plasticity	plasticity	NN
43297	333	24	is	be	VBZ
43297	333	25	due	due	JJ
43297	333	26	,	,	,
43297	333	27	at	at	IN
43297	333	28	least	least	JJS
43297	333	29	in	in	IN
43297	333	30	part	part	NN
43297	333	31	,	,	,
43297	333	32	to	to	IN
43297	333	33	the	the	DT
43297	333	34	presence	presence	NN
43297	333	35	of	of	IN
43297	333	36	colloids	colloid	NNS
43297	333	37	.	.	.
43297	334	1	The	the	DT
43297	334	2	addition	addition	NN
43297	334	3	of	of	IN
43297	334	4	small	small	JJ
43297	334	5	quantities	quantity	NNS
43297	334	6	of	of	IN
43297	334	7	a	a	DT
43297	334	8	solution	solution	NN
43297	334	9	of	of	IN
43297	334	10	certain	certain	JJ
43297	334	11	substances	substance	NNS
43297	334	12	to	to	IN
43297	334	13	a	a	DT
43297	334	14	stiff	stiff	JJ
43297	334	15	clay	clay	NN
43297	334	16	paste	paste	NN
43297	334	17	usually	usually	RB
43297	334	18	reduces	reduce	VBZ
43297	334	19	its	-PRON-	PRP$
43297	334	20	stiffness	stiffness	NN
43297	334	21	,	,	,
43297	334	22	and	and	CC
43297	334	23	in	in	IN
43297	334	24	some	some	DT
43297	334	25	cases	case	NNS
43297	334	26	turns	turn	VBZ
43297	334	27	it	-PRON-	PRP
43297	334	28	into	into	IN
43297	334	29	a	a	DT
43297	334	30	liquid	liquid	NN
43297	334	31	.	.	.
43297	335	1	The	the	DT
43297	335	2	alkalies	alkali	NNS
43297	335	3	are	be	VBP
43297	335	4	particularly	particularly	RB
43297	335	5	powerful	powerful	JJ
43297	335	6	in	in	IN
43297	335	7	this	this	DT
43297	335	8	respect	respect	NN
43297	335	9	and	and	CC
43297	335	10	their	-PRON-	PRP$
43297	335	11	action	action	NN
43297	335	12	may	may	MD
43297	335	13	be	be	VB
43297	335	14	strikingly	strikingly	RB
43297	335	15	illustrated	illustrate	VBN
43297	335	16	by	by	IN
43297	335	17	mixing	mix	VBG
43297	335	18	a	a	DT
43297	335	19	few	few	JJ
43297	335	20	drops	drop	NNS
43297	335	21	of	of	IN
43297	335	22	caustic	caustic	JJ
43297	335	23	soda	soda	NN
43297	335	24	with	with	IN
43297	335	25	a	a	DT
43297	335	26	stiff	stiff	JJ
43297	335	27	clay	clay	NN
43297	335	28	paste	paste	NN
43297	335	29	.	.	.
43297	336	1	In	in	IN
43297	336	2	a	a	DT
43297	336	3	few	few	JJ
43297	336	4	moments	moment	NNS
43297	336	5	the	the	DT
43297	336	6	mixture	mixture	NN
43297	336	7	will	will	MD
43297	336	8	be	be	VB
43297	336	9	sufficiently	sufficiently	RB
43297	336	10	liquid	liquid	JJ
43297	336	11	to	to	TO
43297	336	12	pour	pour	VB
43297	336	13	readily	readily	RB
43297	336	14	,	,	,
43297	336	15	but	but	CC
43297	336	16	it	-PRON-	PRP
43297	336	17	may	may	MD
43297	336	18	be	be	VB
43297	336	19	rendered	render	VBN
43297	336	20	quite	quite	RB
43297	336	21	stiff	stiff	JJ
43297	336	22	again	again	RB
43297	336	23	by	by	IN
43297	336	24	adding	add	VBG
43297	336	25	sufficient	sufficient	JJ
43297	336	26	acid	acid	NN
43297	336	27	to	to	TO
43297	336	28	neutralize	neutralize	VB
43297	336	29	the	the	DT
43297	336	30	alkali	alkali	JJ
43297	336	31	previously	previously	RB
43297	336	32	used	use	VBN
43297	336	33	.	.	.
43297	337	1	Weber	Weber	NNP
43297	337	2	(	(	-LRB-
43297	337	3	12	12	CD
43297	337	4	)	)	-RRB-
43297	337	5	has	have	VBZ
43297	337	6	utilized	utilize	VBN
43297	337	7	this	this	DT
43297	337	8	characteristic	characteristic	JJ
43297	337	9	to	to	IN
43297	337	10	great	great	JJ
43297	337	11	advantage	advantage	NN
43297	337	12	in	in	IN
43297	337	13	the	the	DT
43297	337	14	production	production	NN
43297	337	15	of	of	IN
43297	337	16	sanitary	sanitary	JJ
43297	337	17	ware	ware	NN
43297	337	18	and	and	CC
43297	337	19	crucibles	crucible	NNS
43297	337	20	for	for	IN
43297	337	21	glass	glass	NN
43297	337	22	-	-	HYPH
43297	337	23	making	making	NN
43297	337	24	by	by	IN
43297	337	25	a	a	DT
43297	337	26	process	process	NN
43297	337	27	of	of	IN
43297	337	28	casting	cast	VBG
43297	337	29	which	which	WDT
43297	337	30	he	-PRON-	PRP
43297	337	31	has	have	VBZ
43297	337	32	patented	patent	VBN
43297	337	33	.	.	.
43297	338	1	The	the	DT
43297	338	2	effect	effect	NN
43297	338	3	of	of	IN
43297	338	4	adding	add	VBG
43297	338	5	water	water	NN
43297	338	6	to	to	IN
43297	338	7	a	a	DT
43297	338	8	dry	dry	JJ
43297	338	9	clay	clay	NN
43297	338	10	is	be	VBZ
43297	338	11	curious	curious	JJ
43297	338	12	.	.	.
43297	339	1	At	at	IN
43297	339	2	first	first	RB
43297	339	3	the	the	DT
43297	339	4	particles	particle	NNS
43297	339	5	in	in	IN
43297	339	6	contact	contact	NN
43297	339	7	with	with	IN
43297	339	8	the	the	DT
43297	339	9	water	water	NN
43297	339	10	become	become	VBP
43297	339	11	sticky	sticky	JJ
43297	339	12	and	and	CC
43297	339	13	plastic	plastic	NN
43297	339	14	,	,	,
43297	339	15	and	and	CC
43297	339	16	if	if	IN
43297	339	17	the	the	DT
43297	339	18	proportion	proportion	NN
43297	339	19	of	of	IN
43297	339	20	water	water	NN
43297	339	21	added	add	VBN
43297	339	22	is	be	VBZ
43297	339	23	suitable	suitable	JJ
43297	339	24	and	and	CC
43297	339	25	the	the	DT
43297	339	26	mixing	mixing	NN
43297	339	27	is	be	VBZ
43297	339	28	sufficiently	sufficiently	RB
43297	339	29	thorough	thorough	JJ
43297	339	30	a	a	DT
43297	339	31	plastic	plastic	JJ
43297	339	32	mass	mass	NN
43297	339	33	will	will	MD
43297	339	34	be	be	VB
43297	339	35	produced	produce	VBN
43297	339	36	,	,	,
43297	339	37	the	the	DT
43297	339	38	characteristics	characteristic	NNS
43297	339	39	of	of	IN
43297	339	40	which	which	WDT
43297	339	41	will	will	MD
43297	339	42	depend	depend	VB
43297	339	43	on	on	IN
43297	339	44	the	the	DT
43297	339	45	nature	nature	NN
43297	339	46	of	of	IN
43297	339	47	the	the	DT
43297	339	48	clay	clay	NN
43297	339	49	used	use	VBN
43297	339	50	.	.	.
43297	340	1	This	this	DT
43297	340	2	process	process	NN
43297	340	3	of	of	IN
43297	340	4	mixing	mix	VBG
43297	340	5	clay	clay	NN
43297	340	6	with	with	IN
43297	340	7	a	a	DT
43297	340	8	limited	limited	JJ
43297	340	9	amount	amount	NN
43297	340	10	of	of	IN
43297	340	11	water	water	NN
43297	340	12	is	be	VBZ
43297	340	13	known	know	VBN
43297	340	14	as	as	IN
43297	340	15	'	'	``
43297	340	16	tempering	tempering	NN
43297	340	17	.	.	.
43297	340	18	'	'	''
43297	341	1	The	the	DT
43297	341	2	proportion	proportion	NN
43297	341	3	of	of	IN
43297	341	4	water	water	NN
43297	341	5	required	require	VBN
43297	341	6	to	to	TO
43297	341	7	make	make	VB
43297	341	8	a	a	DT
43297	341	9	paste	paste	NN
43297	341	10	of	of	IN
43297	341	11	suitable	suitable	JJ
43297	341	12	consistency	consistency	NN
43297	341	13	for	for	IN
43297	341	14	modelling	modelling	NN
43297	341	15	appears	appear	NNS
43297	341	16	to	to	TO
43297	341	17	be	be	VB
43297	341	18	constant	constant	JJ
43297	341	19	for	for	IN
43297	341	20	each	each	DT
43297	341	21	clay	clay	NN
43297	341	22	.	.	.
43297	342	1	If	if	IN
43297	342	2	,	,	,
43297	342	3	however	however	RB
43297	342	4	,	,	,
43297	342	5	a	a	DT
43297	342	6	larger	large	JJR
43297	342	7	proportion	proportion	NN
43297	342	8	of	of	IN
43297	342	9	water	water	NN
43297	342	10	is	be	VBZ
43297	342	11	added	add	VBN
43297	342	12	the	the	DT
43297	342	13	particles	particle	NNS
43297	342	14	of	of	IN
43297	342	15	clay	clay	NN
43297	342	16	will	will	MD
43297	342	17	be	be	VB
43297	342	18	separated	separate	VBN
43297	342	19	so	so	RB
43297	342	20	widely	widely	RB
43297	342	21	from	from	IN
43297	342	22	each	each	DT
43297	342	23	other	other	JJ
43297	342	24	that	that	IN
43297	342	25	they	-PRON-	PRP
43297	342	26	lose	lose	VBP
43297	342	27	their	-PRON-	PRP$
43297	342	28	cohesion	cohesion	NN
43297	342	29	,	,	,
43297	342	30	and	and	CC
43297	342	31	instead	instead	RB
43297	342	32	of	of	IN
43297	342	33	a	a	DT
43297	342	34	plastic	plastic	JJ
43297	342	35	mass	mass	NN
43297	342	36	,	,	,
43297	342	37	the	the	DT
43297	342	38	material	material	NN
43297	342	39	will	will	MD
43297	342	40	form	form	VB
43297	342	41	a	a	DT
43297	342	42	liquid	liquid	NN
43297	342	43	of	of	IN
43297	342	44	cream	cream	NN
43297	342	45	-	-	HYPH
43297	342	46	like	like	JJ
43297	342	47	consistency	consistency	NN
43297	342	48	.	.	.
43297	343	1	If	if	IN
43297	343	2	a	a	DT
43297	343	3	piece	piece	NN
43297	343	4	of	of	IN
43297	343	5	stiff	stiff	JJ
43297	343	6	clay	clay	NN
43297	343	7	paste	paste	NN
43297	343	8	is	be	VBZ
43297	343	9	suspended	suspend	VBN
43297	343	10	in	in	IN
43297	343	11	a	a	DT
43297	343	12	large	large	JJ
43297	343	13	volume	volume	NN
43297	343	14	of	of	IN
43297	343	15	water	water	NN
43297	343	16	without	without	IN
43297	343	17	stirring	stirring	NN
43297	343	18	,	,	,
43297	343	19	disintegration	disintegration	NN
43297	343	20	will	will	MD
43297	343	21	still	still	RB
43297	343	22	occur	occur	VB
43297	343	23	(	(	-LRB-
43297	343	24	though	though	IN
43297	343	25	a	a	DT
43297	343	26	much	much	RB
43297	343	27	longer	long	JJR
43297	343	28	time	time	NN
43297	343	29	will	will	MD
43297	343	30	be	be	VB
43297	343	31	required	require	VBN
43297	343	32	)	)	-RRB-
43297	343	33	and	and	CC
43297	343	34	the	the	DT
43297	343	35	clay	clay	NN
43297	343	36	will	will	MD
43297	343	37	be	be	VB
43297	343	38	deposited	deposit	VBN
43297	343	39	as	as	IN
43297	343	40	a	a	DT
43297	343	41	sediment	sediment	NN
43297	343	42	at	at	IN
43297	343	43	the	the	DT
43297	343	44	bottom	bottom	NN
43297	343	45	of	of	IN
43297	343	46	the	the	DT
43297	343	47	vessel	vessel	NN
43297	343	48	.	.	.
43297	344	1	The	the	DT
43297	344	2	leaner	lean	JJR
43297	344	3	the	the	DT
43297	344	4	clay	clay	NN
43297	344	5	or	or	CC
43297	344	6	the	the	DT
43297	344	7	larger	large	JJR
43297	344	8	the	the	DT
43297	344	9	proportion	proportion	NN
43297	344	10	of	of	IN
43297	344	11	non	non	JJ
43297	344	12	-	-	JJ
43297	344	13	plastic	plastic	JJ
43297	344	14	material	material	NN
43297	344	15	it	-PRON-	PRP
43297	344	16	contains	contain	VBZ
43297	344	17	,	,	,
43297	344	18	the	the	DT
43297	344	19	more	more	RBR
43297	344	20	rapidly	rapidly	RB
43297	344	21	will	will	MD
43297	344	22	this	this	DT
43297	344	23	disintegration	disintegration	NN
43297	344	24	take	take	VB
43297	344	25	place	place	NN
43297	344	26	.	.	.
43297	345	1	A	a	DT
43297	345	2	highly	highly	RB
43297	345	3	plastic	plastic	JJ
43297	345	4	clay	clay	NN
43297	345	5	will	will	MD
43297	345	6	become	become	VB
43297	345	7	almost	almost	RB
43297	345	8	impervious	impervious	JJ
43297	345	9	and	and	CC
43297	345	10	will	will	MD
43297	345	11	retain	retain	VB
43297	345	12	its	-PRON-	PRP$
43297	345	13	shape	shape	NN
43297	345	14	indefinitely	indefinitely	RB
43297	345	15	.	.	.
43297	346	1	If	if	IN
43297	346	2	a	a	DT
43297	346	3	mixture	mixture	NN
43297	346	4	of	of	IN
43297	346	5	clay	clay	NN
43297	346	6	and	and	CC
43297	346	7	water	water	NN
43297	346	8	in	in	IN
43297	346	9	the	the	DT
43297	346	10	form	form	NN
43297	346	11	of	of	IN
43297	346	12	a	a	DT
43297	346	13	cream	cream	NN
43297	346	14	or	or	CC
43297	346	15	slurry	slurry	NN
43297	346	16	be	be	VB
43297	346	17	allowed	allow	VBN
43297	346	18	to	to	TO
43297	346	19	rest	rest	VB
43297	346	20	,	,	,
43297	346	21	the	the	DT
43297	346	22	larger	large	JJR
43297	346	23	and	and	CC
43297	346	24	less	less	JJR
43297	346	25	plastic	plastic	JJ
43297	346	26	particles	particle	NNS
43297	346	27	will	will	MD
43297	346	28	settle	settle	VB
43297	346	29	,	,	,
43297	346	30	but	but	CC
43297	346	31	many	many	JJ
43297	346	32	of	of	IN
43297	346	33	the	the	DT
43297	346	34	particles	particle	NNS
43297	346	35	of	of	IN
43297	346	36	true	true	JJ
43297	346	37	clay	clay	NN
43297	346	38	will	will	MD
43297	346	39	remain	remain	VB
43297	346	40	suspended	suspend	VBN
43297	346	41	for	for	IN
43297	346	42	several	several	JJ
43297	346	43	hours	hour	NNS
43297	346	44	and	and	CC
43297	346	45	some	some	DT
43297	346	46	of	of	IN
43297	346	47	them	-PRON-	PRP
43297	346	48	for	for	IN
43297	346	49	several	several	JJ
43297	346	50	days	day	NNS
43297	346	51	.	.	.
43297	347	1	Some	some	DT
43297	347	2	particles	particle	NNS
43297	347	3	of	of	IN
43297	347	4	clay	clay	NN
43297	347	5	are	be	VBP
43297	347	6	so	so	RB
43297	347	7	small	small	JJ
43297	347	8	that	that	IN
43297	347	9	it	-PRON-	PRP
43297	347	10	is	be	VBZ
43297	347	11	doubtful	doubtful	JJ
43297	347	12	if	if	IN
43297	347	13	they	-PRON-	PRP
43297	347	14	would	would	MD
43297	347	15	ever	ever	RB
43297	347	16	settle	settle	VB
43297	347	17	completely	completely	RB
43297	347	18	unless	unless	IN
43297	347	19	some	some	DT
43297	347	20	coagulant	coagulant	NN
43297	347	21	were	be	VBD
43297	347	22	added	add	VBN
43297	347	23	,	,	,
43297	347	24	and	and	CC
43297	347	25	as	as	IN
43297	347	26	they	-PRON-	PRP
43297	347	27	readily	readily	RB
43297	347	28	pass	pass	VBP
43297	347	29	through	through	RP
43297	347	30	all	all	DT
43297	347	31	ordinary	ordinary	JJ
43297	347	32	filtering	filtering	NN
43297	347	33	media	medium	NNS
43297	347	34	it	-PRON-	PRP
43297	347	35	is	be	VBZ
43297	347	36	extremely	extremely	RB
43297	347	37	difficult	difficult	JJ
43297	347	38	to	to	TO
43297	347	39	collect	collect	VB
43297	347	40	them	-PRON-	PRP
43297	347	41	in	in	IN
43297	347	42	a	a	DT
43297	347	43	pure	pure	JJ
43297	347	44	state	state	NN
43297	347	45	.	.	.
43297	348	1	These	these	DT
43297	348	2	turbid	turbid	JJ
43297	348	3	suspensions	suspension	NNS
43297	348	4	of	of	IN
43297	348	5	clay	clay	NN
43297	348	6	may	may	MD
43297	348	7	be	be	VB
43297	348	8	rapidly	rapidly	RB
43297	348	9	cleared	clear	VBN
43297	348	10	by	by	IN
43297	348	11	the	the	DT
43297	348	12	addition	addition	NN
43297	348	13	of	of	IN
43297	348	14	sodium	sodium	NN
43297	348	15	chloride	chloride	NN
43297	348	16	which	which	WDT
43297	348	17	increases	increase	VBZ
43297	348	18	the	the	DT
43297	348	19	surface	surface	NN
43297	348	20	tension	tension	NN
43297	348	21	of	of	IN
43297	348	22	the	the	DT
43297	348	23	solution	solution	NN
43297	348	24	.	.	.
43297	349	1	The	the	DT
43297	349	2	fine	fine	JJ
43297	349	3	particles	particle	NNS
43297	349	4	behave	behave	VBP
43297	349	5	in	in	IN
43297	349	6	the	the	DT
43297	349	7	same	same	JJ
43297	349	8	way	way	NN
43297	349	9	as	as	IN
43297	349	10	colloidal	colloidal	JJ
43297	349	11	substances	substance	NNS
43297	349	12	,	,	,
43297	349	13	_	_	NNP
43297	349	14	i.e.	i.e.	FW
43297	349	15	_	_	NNP
43297	349	16	as	as	IN
43297	349	17	if	if	IN
43297	349	18	they	-PRON-	PRP
43297	349	19	possessed	possess	VBD
43297	349	20	an	an	DT
43297	349	21	electrostatic	electrostatic	JJ
43297	349	22	charge	charge	NN
43297	349	23	.	.	.
43297	350	1	Hence	hence	RB
43297	350	2	the	the	DT
43297	350	3	addition	addition	NN
43297	350	4	of	of	IN
43297	350	5	a	a	DT
43297	350	6	salt	salt	NN
43297	350	7	(	(	-LRB-
43297	350	8	electrolyte	electrolyte	NNP
43297	350	9	)	)	-RRB-
43297	350	10	,	,	,
43297	350	11	whose	whose	WP$
43297	350	12	ions	ion	NNS
43297	350	13	annul	annul	VBP
43297	350	14	the	the	DT
43297	350	15	opposite	opposite	JJ
43297	350	16	charges	charge	NNS
43297	350	17	of	of	IN
43297	350	18	the	the	DT
43297	350	19	electric	electric	JJ
43297	350	20	double	double	JJ
43297	350	21	layer	layer	NN
43297	350	22	assumed	assume	VBN
43297	350	23	by	by	IN
43297	350	24	Helmholtz	Helmholtz	NNP
43297	350	25	to	to	TO
43297	350	26	be	be	VB
43297	350	27	present	present	JJ
43297	350	28	,	,	,
43297	350	29	enables	enable	VBZ
43297	350	30	the	the	DT
43297	350	31	particles	particle	NNS
43297	350	32	to	to	TO
43297	350	33	coagulate	coagulate	VB
43297	350	34	in	in	IN
43297	350	35	accordance	accordance	NN
43297	350	36	with	with	IN
43297	350	37	the	the	DT
43297	350	38	ordinary	ordinary	JJ
43297	350	39	laws	law	NNS
43297	350	40	of	of	IN
43297	350	41	surface	surface	NN
43297	350	42	tension	tension	NN
43297	350	43	(	(	-LRB-
43297	350	44	14	14	CD
43297	350	45	)	)	-RRB-
43297	350	46	.	.	.
43297	351	1	_	_	NNP
43297	351	2	Exposure	Exposure	NNP
43297	351	3	_	_	NNP
43297	351	4	to	to	IN
43297	351	5	the	the	DT
43297	351	6	action	action	NN
43297	351	7	of	of	IN
43297	351	8	air	air	NN
43297	351	9	and	and	CC
43297	351	10	frost	frost	NN
43297	351	11	has	have	VBZ
43297	351	12	a	a	DT
43297	351	13	marked	marked	JJ
43297	351	14	effect	effect	NN
43297	351	15	on	on	IN
43297	351	16	many	many	JJ
43297	351	17	clays	clay	NNS
43297	351	18	.	.	.
43297	352	1	When	when	WRB
43297	352	2	freshly	freshly	RB
43297	352	3	dug	dig	VBD
43297	352	4	these	these	DT
43297	352	5	may	may	MD
43297	352	6	be	be	VB
43297	352	7	hard	hard	JJ
43297	352	8	and	and	CC
43297	352	9	difficult	difficult	JJ
43297	352	10	to	to	TO
43297	352	11	crush	crush	VB
43297	352	12	,	,	,
43297	352	13	but	but	CC
43297	352	14	after	after	IN
43297	352	15	exposure	exposure	NN
43297	352	16	they	-PRON-	PRP
43297	352	17	break	break	VBP
43297	352	18	up	up	RP
43297	352	19	readily	readily	RB
43297	352	20	into	into	IN
43297	352	21	small	small	JJ
43297	352	22	fragments	fragment	NNS
43297	352	23	.	.	.
43297	353	1	Clays	clay	NNS
43297	353	2	differ	differ	VBP
43297	353	3	greatly	greatly	RB
43297	353	4	in	in	IN
43297	353	5	the	the	DT
43297	353	6	extent	extent	NN
43297	353	7	to	to	TO
43297	353	8	which	which	WDT
43297	353	9	they	-PRON-	PRP
43297	353	10	are	be	VBP
43297	353	11	affected	affect	VBN
43297	353	12	by	by	IN
43297	353	13	exposure	exposure	NN
43297	353	14	;	;	:
43297	353	15	some	some	DT
43297	353	16	are	be	VBP
43297	353	17	completely	completely	RB
43297	353	18	disintegrated	disintegrate	VBN
43297	353	19	by	by	IN
43297	353	20	standing	stand	VBG
43297	353	21	48	48	CD
43297	353	22	hours	hour	NNS
43297	353	23	in	in	IN
43297	353	24	the	the	DT
43297	353	25	open	open	JJ
43297	353	26	air	air	NN
43297	353	27	,	,	,
43297	353	28	whilst	whilst	IN
43297	353	29	others	other	NNS
43297	353	30	are	be	VBP
43297	353	31	scarcely	scarcely	RB
43297	353	32	affected	affect	VBN
43297	353	33	by	by	IN
43297	353	34	exposure	exposure	NN
43297	353	35	in	in	IN
43297	353	36	bleak	bleak	JJ
43297	353	37	places	place	NNS
43297	353	38	through	through	IN
43297	353	39	several	several	JJ
43297	353	40	years	year	NNS
43297	353	41	of	of	IN
43297	353	42	storm	storm	NN
43297	353	43	,	,	,
43297	353	44	sunshine	sunshine	NN
43297	353	45	and	and	CC
43297	353	46	frost	frost	NN
43297	353	47	.	.	.
43297	354	1	Usually	usually	RB
43297	354	2	,	,	,
43297	354	3	however	however	RB
43297	354	4	,	,	,
43297	354	5	the	the	DT
43297	354	6	effect	effect	NN
43297	354	7	of	of	IN
43297	354	8	a	a	DT
43297	354	9	couple	couple	NN
43297	354	10	of	of	IN
43297	354	11	nights	night	NNS
43297	354	12	exposure	exposure	NN
43297	354	13	to	to	IN
43297	354	14	hard	hard	JJ
43297	354	15	frost	frost	NN
43297	354	16	will	will	MD
43297	354	17	produce	produce	VB
43297	354	18	a	a	DT
43297	354	19	marked	marked	JJ
43297	354	20	disintegration	disintegration	NN
43297	354	21	of	of	IN
43297	354	22	the	the	DT
43297	354	23	material	material	NN
43297	354	24	.	.	.
43297	355	1	This	this	DT
43297	355	2	process	process	NN
43297	355	3	of	of	IN
43297	355	4	exposure	exposure	NN
43297	355	5	is	be	VBZ
43297	355	6	known	know	VBN
43297	355	7	as	as	IN
43297	355	8	'	'	``
43297	355	9	weathering	weathering	NN
43297	355	10	'	'	''
43297	355	11	and	and	CC
43297	355	12	its	-PRON-	PRP$
43297	355	13	effects	effect	NNS
43297	355	14	are	be	VBP
43297	355	15	so	so	RB
43297	355	16	important	important	JJ
43297	355	17	that	that	IN
43297	355	18	it	-PRON-	PRP
43297	355	19	is	be	VBZ
43297	355	20	employed	employ	VBN
43297	355	21	whenever	whenever	WRB
43297	355	22	possible	possible	JJ
43297	355	23	for	for	IN
43297	355	24	clays	clay	NNS
43297	355	25	requiring	require	VBG
43297	355	26	to	to	TO
43297	355	27	be	be	VB
43297	355	28	crushed	crush	VBN
43297	355	29	before	before	IN
43297	355	30	use	use	NN
43297	355	31	.	.	.
43297	356	1	All	all	DT
43297	356	2	clays	clay	NNS
43297	356	3	are	be	VBP
43297	356	4	rendered	render	VBN
43297	356	5	more	more	RBR
43297	356	6	workable	workable	JJ
43297	356	7	by	by	IN
43297	356	8	exposure	exposure	NN
43297	356	9	,	,	,
43297	356	10	but	but	CC
43297	356	11	some	some	DT
43297	356	12	of	of	IN
43297	356	13	them	-PRON-	PRP
43297	356	14	are	be	VBP
43297	356	15	damaged	damage	VBN
43297	356	16	by	by	IN
43297	356	17	the	the	DT
43297	356	18	oxidation	oxidation	NN
43297	356	19	of	of	IN
43297	356	20	some	some	DT
43297	356	21	impurities	impurity	NNS
43297	356	22	(	(	-LRB-
43297	356	23	_	_	NNP
43297	356	24	e.g.	e.g.	NNP
43297	356	25	_	_	NNP
43297	356	26	pyrites	pyrite	VBZ
43297	356	27	)	)	-RRB-
43297	356	28	in	in	IN
43297	356	29	them	-PRON-	PRP
43297	356	30	,	,	,
43297	356	31	though	though	IN
43297	356	32	in	in	IN
43297	356	33	other	other	JJ
43297	356	34	clays	clay	NNS
43297	356	35	this	this	DT
43297	356	36	very	very	JJ
43297	356	37	oxidation	oxidation	NN
43297	356	38	,	,	,
43297	356	39	if	if	IN
43297	356	40	followed	follow	VBN
43297	356	41	by	by	IN
43297	356	42	the	the	DT
43297	356	43	leaching	leaching	JJ
43297	356	44	action	action	NN
43297	356	45	of	of	IN
43297	356	46	rain	rain	NN
43297	356	47	,	,	,
43297	356	48	effects	effect	VBZ
43297	356	49	an	an	DT
43297	356	50	important	important	JJ
43297	356	51	purification	purification	NN
43297	356	52	of	of	IN
43297	356	53	the	the	DT
43297	356	54	material	material	NN
43297	356	55	.	.	.
43297	357	1	Weathering	Weathering	NNP
43297	357	2	appears	appear	VBZ
43297	357	3	to	to	TO
43297	357	4	have	have	VB
43297	357	5	no	no	DT
43297	357	6	effect	effect	NN
43297	357	7	on	on	IN
43297	357	8	the	the	DT
43297	357	9	chemical	chemical	JJ
43297	357	10	composition	composition	NN
43297	357	11	of	of	IN
43297	357	12	the	the	DT
43297	357	13	particles	particle	NNS
43297	357	14	of	of	IN
43297	357	15	true	true	JJ
43297	357	16	clay	clay	NN
43297	357	17	in	in	IN
43297	357	18	the	the	DT
43297	357	19	material	material	NN
43297	357	20	,	,	,
43297	357	21	though	though	IN
43297	357	22	it	-PRON-	PRP
43297	357	23	may	may	MD
43297	357	24	decompose	decompose	VB
43297	357	25	the	the	DT
43297	357	26	impurities	impurity	NNS
43297	357	27	present	present	JJ
43297	357	28	.	.	.
43297	358	1	On	on	IN
43297	358	2	the	the	DT
43297	358	3	clay	clay	NN
43297	358	4	itself	-PRON-	PRP
43297	358	5	its	-PRON-	PRP$
43297	358	6	action	action	NN
43297	358	7	is	be	VBZ
43297	358	8	largely	largely	RB
43297	358	9	physical	physical	JJ
43297	358	10	and	and	CC
43297	358	11	consists	consist	VBZ
43297	358	12	chiefly	chiefly	RB
43297	358	13	in	in	IN
43297	358	14	separating	separate	VBG
43297	358	15	the	the	DT
43297	358	16	particles	particle	NNS
43297	358	17	slightly	slightly	RB
43297	358	18	from	from	IN
43297	358	19	each	each	DT
43297	358	20	other	other	JJ
43297	358	21	,	,	,
43297	358	22	thereby	thereby	RB
43297	358	23	enabling	enable	VBG
43297	358	24	water	water	NN
43297	358	25	to	to	TO
43297	358	26	penetrate	penetrate	VB
43297	358	27	the	the	DT
43297	358	28	material	material	NN
43297	358	29	more	more	RBR
43297	358	30	readily	readily	RB
43297	358	31	and	and	CC
43297	358	32	facilitating	facilitate	VBG
43297	358	33	the	the	DT
43297	358	34	production	production	NN
43297	358	35	of	of	IN
43297	358	36	a	a	DT
43297	358	37	plastic	plastic	JJ
43297	358	38	paste	paste	NN
43297	358	39	.	.	.
43297	359	1	The	the	DT
43297	359	2	disintegrating	disintegrate	VBG
43297	359	3	action	action	NN
43297	359	4	of	of	IN
43297	359	5	the	the	DT
43297	359	6	weather	weather	NN
43297	359	7	on	on	IN
43297	359	8	some	some	DT
43297	359	9	'	'	``
43297	359	10	clays	clay	NNS
43297	359	11	'	'	''
43297	359	12	is	be	VBZ
43297	359	13	so	so	RB
43297	359	14	complete	complete	JJ
43297	359	15	that	that	IN
43297	359	16	they	-PRON-	PRP
43297	359	17	require	require	VBP
43297	359	18	no	no	DT
43297	359	19	crushing	crushing	NN
43297	359	20	but	but	CC
43297	359	21	can	can	MD
43297	359	22	be	be	VB
43297	359	23	converted	convert	VBN
43297	359	24	into	into	IN
43297	359	25	a	a	DT
43297	359	26	homogeneous	homogeneous	JJ
43297	359	27	paste	paste	NN
43297	359	28	by	by	IN
43297	359	29	simply	simply	RB
43297	359	30	kneading	knead	VBG
43297	359	31	them	-PRON-	PRP
43297	359	32	with	with	IN
43297	359	33	a	a	DT
43297	359	34	suitable	suitable	JJ
43297	359	35	proportion	proportion	NN
43297	359	36	of	of	IN
43297	359	37	water	water	NN
43297	359	38	.	.	.
43297	360	1	It	-PRON-	PRP
43297	360	2	is	be	VBZ
43297	360	3	possible	possible	JJ
43297	360	4	that	that	IN
43297	360	5	on	on	IN
43297	360	6	exposure	exposure	NN
43297	360	7	to	to	IN
43297	360	8	the	the	DT
43297	360	9	heat	heat	NN
43297	360	10	of	of	IN
43297	360	11	the	the	DT
43297	360	12	sun	sun	NN
43297	360	13	's	's	POS
43297	360	14	rays	ray	NNS
43297	360	15	--	--	:
43297	360	16	particularly	particularly	RB
43297	360	17	in	in	IN
43297	360	18	tropical	tropical	JJ
43297	360	19	climates	climate	NNS
43297	360	20	--	--	:
43297	360	21	some	some	DT
43297	360	22	chemical	chemical	JJ
43297	360	23	decomposition	decomposition	NN
43297	360	24	of	of	IN
43297	360	25	the	the	DT
43297	360	26	clay	clay	NN
43297	360	27	may	may	MD
43297	360	28	occur	occur	VB
43297	360	29	,	,	,
43297	360	30	but	but	CC
43297	360	31	compared	compare	VBN
43297	360	32	with	with	IN
43297	360	33	the	the	DT
43297	360	34	purely	purely	RB
43297	360	35	physical	physical	JJ
43297	360	36	action	action	NN
43297	360	37	of	of	IN
43297	360	38	weathering	weather	VBG
43297	360	39	the	the	DT
43297	360	40	amount	amount	NN
43297	360	41	of	of	IN
43297	360	42	such	such	JJ
43297	360	43	chemical	chemical	JJ
43297	360	44	decomposition	decomposition	NN
43297	360	45	must	must	MD
43297	360	46	be	be	VB
43297	360	47	relatively	relatively	RB
43297	360	48	unimportant	unimportant	JJ
43297	360	49	in	in	IN
43297	360	50	most	most	JJS
43297	360	51	cases	case	NNS
43297	360	52	.	.	.
43297	361	1	It	-PRON-	PRP
43297	361	2	may	may	MD
43297	361	3	,	,	,
43297	361	4	however	however	RB
43297	361	5	,	,	,
43297	361	6	account	account	VBP
43297	361	7	for	for	IN
43297	361	8	the	the	DT
43297	361	9	presence	presence	NN
43297	361	10	of	of	IN
43297	361	11	free	free	JJ
43297	361	12	silica	silica	NNP
43297	361	13	and	and	CC
43297	361	14	free	free	JJ
43297	361	15	alumina	alumina	NNP
43297	361	16	in	in	IN
43297	361	17	some	some	DT
43297	361	18	clays	clay	NNS
43297	361	19	.	.	.
43297	362	1	The	the	DT
43297	362	2	action	action	NN
43297	362	3	of	of	IN
43297	362	4	the	the	DT
43297	362	5	weather	weather	NN
43297	362	6	on	on	IN
43297	362	7	rocks	rock	NNS
43297	362	8	,	,	,
43297	362	9	resulting	result	VBG
43297	362	10	in	in	IN
43297	362	11	the	the	DT
43297	362	12	formation	formation	NN
43297	362	13	of	of	IN
43297	362	14	clays	clay	NNS
43297	362	15	,	,	,
43297	362	16	is	be	VBZ
43297	362	17	described	describe	VBN
43297	362	18	in	in	IN
43297	362	19	Chapter	Chapter	NNP
43297	362	20	III	III	NNP
43297	362	21	.	.	.
43297	363	1	_	_	NNP
43297	363	2	Heat	Heat	NNP
43297	363	3	_	_	NNP
43297	363	4	effects	effect	NNS
43297	363	5	remarkable	remarkable	JJ
43297	363	6	changes	change	NNS
43297	363	7	in	in	IN
43297	363	8	the	the	DT
43297	363	9	physical	physical	JJ
43297	363	10	character	character	NN
43297	363	11	of	of	IN
43297	363	12	clays	clay	NNS
43297	363	13	;	;	:
43297	363	14	the	the	DT
43297	363	15	most	most	RBS
43297	363	16	important	important	JJ
43297	363	17	of	of	IN
43297	363	18	these	these	DT
43297	363	19	have	have	VBP
43297	363	20	already	already	RB
43297	363	21	been	be	VBN
43297	363	22	noted	note	VBN
43297	363	23	.	.	.
43297	364	1	At	at	IN
43297	364	2	a	a	DT
43297	364	3	gentle	gentle	JJ
43297	364	4	heat	heat	NN
43297	364	5	,	,	,
43297	364	6	the	the	DT
43297	364	7	clay	clay	NN
43297	364	8	is	be	VBZ
43297	364	9	dried	dry	VBN
43297	364	10	and	and	CC
43297	364	11	retains	retain	NNS
43297	364	12	most	most	JJS
43297	364	13	of	of	IN
43297	364	14	its	-PRON-	PRP$
43297	364	15	power	power	NN
43297	364	16	of	of	IN
43297	364	17	becoming	become	VBG
43297	364	18	plastic	plastic	NN
43297	364	19	when	when	WRB
43297	364	20	moistened	moisten	VBN
43297	364	21	;	;	:
43297	364	22	very	very	RB
43297	364	23	little	little	JJ
43297	364	24	,	,	,
43297	364	25	if	if	IN
43297	364	26	any	any	DT
43297	364	27	,	,	,
43297	364	28	decomposition	decomposition	NN
43297	364	29	occurs	occur	VBZ
43297	364	30	.	.	.
43297	365	1	At	at	IN
43297	365	2	a	a	DT
43297	365	3	higher	high	JJR
43297	365	4	temperature	temperature	NN
43297	365	5	it	-PRON-	PRP
43297	365	6	loses	lose	VBZ
43297	365	7	its	-PRON-	PRP$
43297	365	8	'	'	``
43297	365	9	combined	combine	VBN
43297	365	10	water	water	NN
43297	365	11	,	,	,
43297	365	12	'	'	''
43297	365	13	the	the	DT
43297	365	14	clay	clay	NN
43297	365	15	molecule	molecule	NN
43297	365	16	apparently	apparently	RB
43297	365	17	dissociating	dissociate	VBG
43297	365	18	,	,	,
43297	365	19	and	and	CC
43297	365	20	a	a	DT
43297	365	21	hard	hard	JJ
43297	365	22	stony	stony	NN
43297	365	23	mass	mass	NN
43297	365	24	--	--	:
43297	365	25	consisting	consist	VBG
43297	365	26	of	of	IN
43297	365	27	particles	particle	NNS
43297	365	28	of	of	IN
43297	365	29	free	free	JJ
43297	365	30	silica	silica	NN
43297	365	31	and	and	CC
43297	365	32	free	free	NNP
43297	365	33	alumina	alumina	NNP
43297	365	34	cemented	cement	VBN
43297	365	35	together	together	RB
43297	365	36	by	by	IN
43297	365	37	the	the	DT
43297	365	38	more	more	RBR
43297	365	39	easily	easily	RB
43297	365	40	fusible	fusible	JJ
43297	365	41	impurities	impurity	NNS
43297	365	42	present	present	JJ
43297	365	43	--	--	:
43297	365	44	is	be	VBZ
43297	365	45	formed	form	VBN
43297	365	46	.	.	.
43297	366	1	If	if	IN
43297	366	2	the	the	DT
43297	366	3	heating	heating	NN
43297	366	4	is	be	VBZ
43297	366	5	continued	continue	VBN
43297	366	6	the	the	DT
43297	366	7	hardness	hardness	NN
43297	366	8	of	of	IN
43297	366	9	the	the	DT
43297	366	10	material	material	NN
43297	366	11	is	be	VBZ
43297	366	12	increased	increase	VBN
43297	366	13	owing	owe	VBG
43297	366	14	to	to	IN
43297	366	15	more	more	RBR
43297	366	16	molten	molten	JJ
43297	366	17	silicate	silicate	NN
43297	366	18	having	have	VBG
43297	366	19	been	be	VBN
43297	366	20	produced	produce	VBN
43297	366	21	from	from	IN
43297	366	22	the	the	DT
43297	366	23	impurities	impurity	NNS
43297	366	24	present	present	JJ
43297	366	25	,	,	,
43297	366	26	and	and	CC
43297	366	27	on	on	IN
43297	366	28	cooling	cooling	NN
43297	366	29	,	,	,
43297	366	30	its	-PRON-	PRP$
43297	366	31	tensile	tensile	JJ
43297	366	32	strength	strength	NN
43297	366	33	and	and	CC
43297	366	34	resistance	resistance	NN
43297	366	35	to	to	IN
43297	366	36	crushing	crushing	NN
43297	366	37	will	will	MD
43297	366	38	be	be	VB
43297	366	39	found	find	VBN
43297	366	40	to	to	TO
43297	366	41	be	be	VB
43297	366	42	enormously	enormously	RB
43297	366	43	greater	great	JJR
43297	366	44	than	than	IN
43297	366	45	those	those	DT
43297	366	46	of	of	IN
43297	366	47	the	the	DT
43297	366	48	original	original	JJ
43297	366	49	clay	clay	NN
43297	366	50	.	.	.
43297	367	1	All	all	DT
43297	367	2	potential	potential	JJ
43297	367	3	plasticity	plasticity	NN
43297	367	4	is	be	VBZ
43297	367	5	destroyed	destroy	VBN
43297	367	6	by	by	IN
43297	367	7	heating	heat	VBG
43297	367	8	to	to	IN
43297	367	9	700	700	CD
43297	367	10	°	°	,
43297	367	11	C.	C.	NNP
43297	367	12	and	and	CC
43297	367	13	no	no	DT
43297	367	14	method	method	NN
43297	367	15	of	of	IN
43297	367	16	restoring	restore	VBG
43297	367	17	it	-PRON-	PRP
43297	367	18	has	have	VBZ
43297	367	19	yet	yet	RB
43297	367	20	been	be	VBN
43297	367	21	devised	devise	VBN
43297	367	22	.	.	.
43297	368	1	As	as	IN
43297	368	2	clays	clay	NNS
43297	368	3	are	be	VBP
43297	368	4	abundant	abundant	JJ
43297	368	5	,	,	,
43297	368	6	this	this	DT
43297	368	7	is	be	VBZ
43297	368	8	not	not	RB
43297	368	9	a	a	DT
43297	368	10	serious	serious	JJ
43297	368	11	disadvantage	disadvantage	NN
43297	368	12	for	for	IN
43297	368	13	the	the	DT
43297	368	14	specially	specially	RB
43297	368	15	desired	desire	VBN
43297	368	16	characteristics	characteristic	NNS
43297	368	17	of	of	IN
43297	368	18	bricks	brick	NNS
43297	368	19	,	,	,
43297	368	20	terra	terra	NNP
43297	368	21	-	-	HYPH
43297	368	22	cotta	cotta	NNP
43297	368	23	,	,	,
43297	368	24	pottery	pottery	NN
43297	368	25	and	and	CC
43297	368	26	porcelain	porcelain	NN
43297	368	27	are	be	VBP
43297	368	28	all	all	DT
43297	368	29	such	such	JJ
43297	368	30	as	as	IN
43297	368	31	to	to	TO
43297	368	32	be	be	VB
43297	368	33	incompatible	incompatible	JJ
43297	368	34	with	with	IN
43297	368	35	plasticity	plasticity	NN
43297	368	36	.	.	.
43297	369	1	The	the	DT
43297	369	2	latter	latter	JJ
43297	369	3	is	be	VBZ
43297	369	4	extremely	extremely	RB
43297	369	5	valuable	valuable	JJ
43297	369	6	in	in	IN
43297	369	7	the	the	DT
43297	369	8	shaping	shaping	NN
43297	369	9	of	of	IN
43297	369	10	the	the	DT
43297	369	11	wares	ware	NNS
43297	369	12	mentioned	mention	VBN
43297	369	13	,	,	,
43297	369	14	but	but	CC
43297	369	15	after	after	IN
43297	369	16	the	the	DT
43297	369	17	manufacture	manufacture	NN
43297	369	18	is	be	VBZ
43297	369	19	completed	complete	VBN
43297	369	20	,	,	,
43297	369	21	the	the	DT
43297	369	22	destruction	destruction	NN
43297	369	23	of	of	IN
43297	369	24	the	the	DT
43297	369	25	plasticity	plasticity	NN
43297	369	26	is	be	VBZ
43297	369	27	an	an	DT
43297	369	28	essential	essential	JJ
43297	369	29	feature	feature	NN
43297	369	30	of	of	IN
43297	369	31	their	-PRON-	PRP$
43297	369	32	usefulness	usefulness	NN
43297	369	33	.	.	.
43297	370	1	If	if	IN
43297	370	2	the	the	DT
43297	370	3	heating	heating	NN
43297	370	4	is	be	VBZ
43297	370	5	very	very	RB
43297	370	6	prolonged	prolonged	JJ
43297	370	7	or	or	CC
43297	370	8	is	be	VBZ
43297	370	9	repeated	repeat	VBN
43297	370	10	several	several	JJ
43297	370	11	times	time	NNS
43297	370	12	,	,	,
43297	370	13	clays	clay	NNS
43297	370	14	change	change	VBP
43297	370	15	other	other	JJ
43297	370	16	of	of	IN
43297	370	17	their	-PRON-	PRP$
43297	370	18	physical	physical	JJ
43297	370	19	characters	character	NNS
43297	370	20	and	and	CC
43297	370	21	become	become	VBP
43297	370	22	brittle	brittle	JJ
43297	370	23	and	and	CC
43297	370	24	liable	liable	JJ
43297	370	25	to	to	TO
43297	370	26	crack	crack	VB
43297	370	27	under	under	IN
43297	370	28	sudden	sudden	JJ
43297	370	29	changes	change	NNS
43297	370	30	of	of	IN
43297	370	31	temperature	temperature	NN
43297	370	32	.	.	.
43297	371	1	This	this	DT
43297	371	2	is	be	VBZ
43297	371	3	partly	partly	RB
43297	371	4	due	due	JJ
43297	371	5	to	to	IN
43297	371	6	the	the	DT
43297	371	7	further	further	JJ
43297	371	8	fusion	fusion	NN
43297	371	9	(	(	-LRB-
43297	371	10	vitrification	vitrification	NN
43297	371	11	)	)	-RRB-
43297	371	12	which	which	WDT
43297	371	13	occurs	occur	VBZ
43297	371	14	and	and	CC
43297	371	15	partly	partly	RB
43297	371	16	to	to	IN
43297	371	17	the	the	DT
43297	371	18	formation	formation	NN
43297	371	19	of	of	IN
43297	371	20	crystalline	crystalline	NN
43297	371	21	silicates	silicate	NNS
43297	371	22	,	,	,
43297	371	23	notably	notably	RB
43297	371	24	_	_	NNP
43297	371	25	Sillimanite	Sillimanite	NNP
43297	371	26	_	_	NNP
43297	371	27	(	(	-LRB-
43297	371	28	13	13	CD
43297	371	29	)	)	-RRB-
43297	371	30	.	.	.
43297	372	1	The	the	DT
43297	372	2	extent	extent	NN
43297	372	3	to	to	TO
43297	372	4	which	which	WDT
43297	372	5	clays	clay	NNS
43297	372	6	are	be	VBP
43297	372	7	ordinarily	ordinarily	RB
43297	372	8	heated	heated	JJ
43297	372	9	and	and	CC
43297	372	10	the	the	DT
43297	372	11	conditions	condition	NNS
43297	372	12	under	under	IN
43297	372	13	which	which	WDT
43297	372	14	they	-PRON-	PRP
43297	372	15	are	be	VBP
43297	372	16	cooled	cool	VBN
43297	372	17	do	do	VBP
43297	372	18	not	not	RB
43297	372	19	usually	usually	RB
43297	372	20	induce	induce	VB
43297	372	21	the	the	DT
43297	372	22	formation	formation	NN
43297	372	23	of	of	IN
43297	372	24	crystals	crystal	NNS
43297	372	25	;	;	:
43297	372	26	the	the	DT
43297	372	27	object	object	NN
43297	372	28	of	of	IN
43297	372	29	the	the	DT
43297	372	30	clayworker	clayworker	NN
43297	372	31	being	be	VBG
43297	372	32	to	to	TO
43297	372	33	produce	produce	VB
43297	372	34	a	a	DT
43297	372	35	homogeneous	homogeneous	JJ
43297	372	36	mass	mass	NN
43297	372	37	,	,	,
43297	372	38	the	the	DT
43297	372	39	particles	particle	NNS
43297	372	40	of	of	IN
43297	372	41	which	which	WDT
43297	372	42	are	be	VBP
43297	372	43	securely	securely	RB
43297	372	44	held	hold	VBN
43297	372	45	together	together	RB
43297	372	46	.	.	.
43297	373	1	The	the	DT
43297	373	2	result	result	NN
43297	373	3	is	be	VBZ
43297	373	4	that	that	IN
43297	373	5	burned	burn	VBN
43297	373	6	clay	clay	NN
43297	373	7	products	product	NNS
43297	373	8	are	be	VBP
43297	373	9	usually	usually	RB
43297	373	10	composed	compose	VBN
43297	373	11	of	of	IN
43297	373	12	amorphous	amorphous	JJ
43297	373	13	particles	particle	NNS
43297	373	14	cemented	cement	VBN
43297	373	15	by	by	IN
43297	373	16	a	a	DT
43297	373	17	glass	glass	NN
43297	373	18	-	-	HYPH
43297	373	19	like	like	JJ
43297	373	20	material	material	NN
43297	373	21	formed	form	VBN
43297	373	22	by	by	IN
43297	373	23	the	the	DT
43297	373	24	fusion	fusion	NN
43297	373	25	of	of	IN
43297	373	26	some	some	DT
43297	373	27	of	of	IN
43297	373	28	the	the	DT
43297	373	29	mineral	mineral	NN
43297	373	30	ingredients	ingredient	NNS
43297	373	31	of	of	IN
43297	373	32	the	the	DT
43297	373	33	original	original	JJ
43297	373	34	substance	substance	NN
43297	373	35	.	.	.
43297	374	1	The	the	DT
43297	374	2	silicates	silicate	NNS
43297	374	3	formed	form	VBN
43297	374	4	are	be	VBP
43297	374	5	,	,	,
43297	374	6	therefore	therefore	RB
43297	374	7	,	,	,
43297	374	8	in	in	IN
43297	374	9	a	a	DT
43297	374	10	condition	condition	NN
43297	374	11	of	of	IN
43297	374	12	solid	solid	JJ
43297	374	13	,	,	,
43297	374	14	super	super	JJ
43297	374	15	-	-	JJ
43297	374	16	cooled	cooled	JJ
43297	374	17	solution	solution	NN
43297	374	18	in	in	IN
43297	374	19	which	which	WDT
43297	374	20	the	the	DT
43297	374	21	tendency	tendency	NN
43297	374	22	to	to	TO
43297	374	23	crystallize	crystallize	VB
43297	374	24	is	be	VBZ
43297	374	25	restrained	restrain	VBN
43297	374	26	by	by	IN
43297	374	27	viscosity	viscosity	NN
43297	374	28	.	.	.
43297	375	1	On	on	IN
43297	375	2	raising	raise	VBG
43297	375	3	the	the	DT
43297	375	4	temperature	temperature	NN
43297	375	5	of	of	IN
43297	375	6	firing	firing	NN
43297	375	7	or	or	CC
43297	375	8	on	on	IN
43297	375	9	prolonging	prolong	VBG
43297	375	10	the	the	DT
43297	375	11	heating	heating	NN
43297	375	12	at	at	IN
43297	375	13	the	the	DT
43297	375	14	previous	previous	JJ
43297	375	15	maximum	maximum	NN
43297	375	16	temperature	temperature	NN
43297	375	17	the	the	DT
43297	375	18	viscosity	viscosity	NN
43297	375	19	of	of	IN
43297	375	20	the	the	DT
43297	375	21	fused	fuse	VBN
43297	375	22	portion	portion	NN
43297	375	23	is	be	VBZ
43297	375	24	diminished	diminish	VBN
43297	375	25	and	and	CC
43297	375	26	crystallization	crystallization	NN
43297	375	27	may	may	MD
43297	375	28	then	then	RB
43297	375	29	occur	occur	VB
43297	375	30	.	.	.
43297	376	1	The	the	DT
43297	376	2	facility	facility	NN
43297	376	3	with	with	IN
43297	376	4	which	which	WDT
43297	376	5	crystallization	crystallization	NN
43297	376	6	occurs	occur	VBZ
43297	376	7	varies	vary	VBZ
43297	376	8	greatly	greatly	RB
43297	376	9	with	with	IN
43297	376	10	the	the	DT
43297	376	11	composition	composition	NN
43297	376	12	of	of	IN
43297	376	13	the	the	DT
43297	376	14	fused	fuse	VBN
43297	376	15	material	material	NN
43297	376	16	,	,	,
43297	376	17	those	those	DT
43297	376	18	silicates	silicate	NNS
43297	376	19	which	which	WDT
43297	376	20	are	be	VBP
43297	376	21	rich	rich	JJ
43297	376	22	in	in	IN
43297	376	23	lime	lime	NN
43297	376	24	and	and	CC
43297	376	25	magnesia	magnesia	NN
43297	376	26	crystallizing	crystallize	VBG
43297	376	27	more	more	RBR
43297	376	28	readily	readily	RB
43297	376	29	than	than	IN
43297	376	30	those	those	DT
43297	376	31	containing	contain	VBG
43297	376	32	potash	potash	NN
43297	376	33	or	or	CC
43297	376	34	soda	soda	NN
43297	376	35	.	.	.
43297	377	1	Vogt	Vogt	NNP
43297	377	2	has	have	VBZ
43297	377	3	stated	state	VBN
43297	377	4	that	that	IN
43297	377	5	small	small	JJ
43297	377	6	quantities	quantity	NNS
43297	377	7	of	of	IN
43297	377	8	alumina	alumina	NNP
43297	377	9	promote	promote	VBP
43297	377	10	the	the	DT
43297	377	11	formation	formation	NN
43297	377	12	of	of	IN
43297	377	13	a	a	DT
43297	377	14	glassy	glassy	JJ
43297	377	15	structure	structure	NN
43297	377	16	,	,	,
43297	377	17	and	and	CC
43297	377	18	Morozewicz	Morozewicz	NNP
43297	377	19	has	have	VBZ
43297	377	20	shown	show	VBN
43297	377	21	that	that	IN
43297	377	22	a	a	DT
43297	377	23	large	large	JJ
43297	377	24	excess	excess	NN
43297	377	25	of	of	IN
43297	377	26	this	this	DT
43297	377	27	substance	substance	NN
43297	377	28	must	must	MD
43297	377	29	be	be	VB
43297	377	30	present	present	JJ
43297	377	31	if	if	IN
43297	377	32	crystallization	crystallization	NN
43297	377	33	is	be	VBZ
43297	377	34	to	to	TO
43297	377	35	occur	occur	VB
43297	377	36	.	.	.
43297	378	1	The	the	DT
43297	378	2	study	study	NN
43297	378	3	of	of	IN
43297	378	4	the	the	DT
43297	378	5	reactions	reaction	NNS
43297	378	6	which	which	WDT
43297	378	7	occur	occur	VBP
43297	378	8	when	when	WRB
43297	378	9	clays	clay	NNS
43297	378	10	are	be	VBP
43297	378	11	heated	heat	VBN
43297	378	12	is	be	VBZ
43297	378	13	,	,	,
43297	378	14	however	however	RB
43297	378	15	,	,	,
43297	378	16	extremely	extremely	RB
43297	378	17	complex	complex	JJ
43297	378	18	,	,	,
43297	378	19	not	not	RB
43297	378	20	only	only	RB
43297	378	21	on	on	IN
43297	378	22	account	account	NN
43297	378	23	of	of	IN
43297	378	24	the	the	DT
43297	378	25	variety	variety	NN
43297	378	26	of	of	IN
43297	378	27	substances	substance	NNS
43297	378	28	present	present	JJ
43297	378	29	,	,	,
43297	378	30	but	but	CC
43297	378	31	also	also	RB
43297	378	32	on	on	IN
43297	378	33	account	account	NN
43297	378	34	of	of	IN
43297	378	35	the	the	DT
43297	378	36	high	high	JJ
43297	378	37	temperatures	temperature	NNS
43297	378	38	at	at	IN
43297	378	39	which	which	WDT
43297	378	40	it	-PRON-	PRP
43297	378	41	is	be	VBZ
43297	378	42	necessary	necessary	JJ
43297	378	43	to	to	TO
43297	378	44	work	work	VB
43297	378	45	,	,	,
43297	378	46	so	so	IN
43297	378	47	that	that	IN
43297	378	48	for	for	IN
43297	378	49	a	a	DT
43297	378	50	further	further	JJ
43297	378	51	consideration	consideration	NN
43297	378	52	of	of	IN
43297	378	53	it	-PRON-	PRP
43297	378	54	the	the	DT
43297	378	55	reader	reader	NN
43297	378	56	should	should	MD
43297	378	57	consult	consult	VB
43297	378	58	special	special	JJ
43297	378	59	treatises	treatise	NNS
43297	378	60	on	on	IN
43297	378	61	the	the	DT
43297	378	62	fusion	fusion	NN
43297	378	63	of	of	IN
43297	378	64	silicates	silicate	NNS
43297	378	65	.	.	.
43297	379	1	This	this	DT
43297	379	2	subject	subject	NN
43297	379	3	has	have	VBZ
43297	379	4	now	now	RB
43297	379	5	become	become	VBN
43297	379	6	an	an	DT
43297	379	7	important	important	JJ
43297	379	8	branch	branch	NN
43297	379	9	of	of	IN
43297	379	10	physical	physical	JJ
43297	379	11	chemistry	chemistry	NN
43297	379	12	.	.	.
43297	380	1	CHAPTER	CHAPTER	NNP
43297	380	2	II	II	NNP
43297	380	3	CLAY	clay	NN
43297	380	4	AND	and	CC
43297	380	5	ASSOCIATED	ASSOCIATED	NNP
43297	380	6	ROCKS	ROCKS	NNP
43297	380	7	Clay	Clay	NNP
43297	380	8	,	,	,
43297	380	9	as	as	IN
43297	380	10	already	already	RB
43297	380	11	mentioned	mention	VBN
43297	380	12	,	,	,
43297	380	13	is	be	VBZ
43297	380	14	geologically	geologically	RB
43297	380	15	a	a	DT
43297	380	16	rock	rock	NN
43297	380	17	and	and	CC
43297	380	18	not	not	RB
43297	380	19	a	a	DT
43297	380	20	mineral	mineral	NN
43297	380	21	,	,	,
43297	380	22	and	and	CC
43297	380	23	belongs	belong	VBZ
43297	380	24	to	to	IN
43297	380	25	the	the	DT
43297	380	26	important	important	JJ
43297	380	27	group	group	NN
43297	380	28	of	of	IN
43297	380	29	sedimentary	sedimentary	JJ
43297	380	30	rocks	rock	NNS
43297	380	31	which	which	WDT
43297	380	32	have	have	VBP
43297	380	33	been	be	VBN
43297	380	34	derived	derive	VBN
43297	380	35	from	from	IN
43297	380	36	the	the	DT
43297	380	37	igneous	igneous	JJ
43297	380	38	or	or	CC
43297	380	39	primary	primary	JJ
43297	380	40	ones	one	NNS
43297	380	41	by	by	IN
43297	380	42	processes	process	NNS
43297	380	43	of	of	IN
43297	380	44	weathering	weathering	NN
43297	380	45	,	,	,
43297	380	46	suspension	suspension	NN
43297	380	47	in	in	IN
43297	380	48	water	water	NN
43297	380	49	and	and	CC
43297	380	50	subsequent	subsequent	JJ
43297	380	51	deposition	deposition	NN
43297	380	52	or	or	CC
43297	380	53	sedimentation	sedimentation	NN
43297	380	54	.	.	.
43297	381	1	Whatever	whatever	WDT
43297	381	2	may	may	MD
43297	381	3	be	be	VB
43297	381	4	the	the	DT
43297	381	5	primary	primary	JJ
43297	381	6	origin	origin	NN
43297	381	7	of	of	IN
43297	381	8	clay	clay	NN
43297	381	9	,	,	,
43297	381	10	its	-PRON-	PRP$
43297	381	11	chief	chief	JJ
43297	381	12	occurrence	occurrence	NN
43297	381	13	is	be	VBZ
43297	381	14	in	in	IN
43297	381	15	geological	geological	JJ
43297	381	16	formations	formation	NNS
43297	381	17	which	which	WDT
43297	381	18	have	have	VBP
43297	381	19	undoubtedly	undoubtedly	RB
43297	381	20	been	be	VBN
43297	381	21	formed	form	VBN
43297	381	22	by	by	IN
43297	381	23	aqueous	aqueous	JJ
43297	381	24	action	action	NN
43297	381	25	.	.	.
43297	382	1	The	the	DT
43297	382	2	materials	material	NNS
43297	382	3	resulting	result	VBG
43297	382	4	from	from	IN
43297	382	5	the	the	DT
43297	382	6	exposure	exposure	NN
43297	382	7	of	of	IN
43297	382	8	primary	primary	JJ
43297	382	9	rocks	rock	NNS
43297	382	10	to	to	IN
43297	382	11	the	the	DT
43297	382	12	action	action	NN
43297	382	13	of	of	IN
43297	382	14	the	the	DT
43297	382	15	elements	element	NNS
43297	382	16	have	have	VBP
43297	382	17	been	be	VBN
43297	382	18	carried	carry	VBN
43297	382	19	away	away	RP
43297	382	20	by	by	IN
43297	382	21	water	water	NN
43297	382	22	--	--	:
43297	382	23	often	often	RB
43297	382	24	for	for	IN
43297	382	25	long	long	JJ
43297	382	26	distances	distance	NNS
43297	382	27	--	--	:
43297	382	28	and	and	CC
43297	382	29	after	after	IN
43297	382	30	undergoing	undergo	VBG
43297	382	31	various	various	JJ
43297	382	32	purifications	purification	NNS
43297	382	33	have	have	VBP
43297	382	34	been	be	VBN
43297	382	35	deposited	deposit	VBN
43297	382	36	where	where	WRB
43297	382	37	the	the	DT
43297	382	38	speed	speed	NN
43297	382	39	of	of	IN
43297	382	40	the	the	DT
43297	382	41	water	water	NN
43297	382	42	has	have	VBZ
43297	382	43	been	be	VBN
43297	382	44	sufficiently	sufficiently	RB
43297	382	45	reduced	reduce	VBN
43297	382	46	.	.	.
43297	383	1	In	in	IN
43297	383	2	some	some	DT
43297	383	3	cases	case	NNS
43297	383	4	they	-PRON-	PRP
43297	383	5	have	have	VBP
43297	383	6	again	again	RB
43297	383	7	been	be	VBN
43297	383	8	transported	transport	VBN
43297	383	9	and	and	CC
43297	383	10	re	re	VBN
43297	383	11	-	-	VBN
43297	383	12	deposited	deposit	VBN
43297	383	13	and	and	CC
43297	383	14	not	not	RB
43297	383	15	infrequently	infrequently	RB
43297	383	16	clay	clay	NN
43297	383	17	deposits	deposit	NNS
43297	383	18	are	be	VBP
43297	383	19	found	find	VBN
43297	383	20	which	which	WDT
43297	383	21	show	show	VBP
43297	383	22	signs	sign	NNS
43297	383	23	of	of	IN
43297	383	24	subsequent	subsequent	JJ
43297	383	25	immersion	immersion	NN
43297	383	26	at	at	IN
43297	383	27	considerable	considerable	JJ
43297	383	28	depths	depth	NNS
43297	383	29	and	and	CC
43297	383	30	have	have	VBP
43297	383	31	every	every	DT
43297	383	32	appearance	appearance	NN
43297	383	33	of	of	IN
43297	383	34	having	have	VBG
43297	383	35	been	be	VBN
43297	383	36	subjected	subject	VBN
43297	383	37	to	to	IN
43297	383	38	enormous	enormous	JJ
43297	383	39	pressures	pressure	NNS
43297	383	40	and	and	CC
43297	383	41	possibly	possibly	RB
43297	383	42	to	to	IN
43297	383	43	high	high	JJ
43297	383	44	temperatures	temperature	NNS
43297	383	45	.	.	.
43297	384	1	Some	some	DT
43297	384	2	clays	clay	NNS
43297	384	3	have	have	VBP
43297	384	4	only	only	RB
43297	384	5	been	be	VBN
43297	384	6	carried	carry	VBN
43297	384	7	by	by	IN
43297	384	8	small	small	JJ
43297	384	9	streams	stream	NNS
43297	384	10	and	and	CC
43297	384	11	for	for	IN
43297	384	12	short	short	JJ
43297	384	13	distances	distance	NNS
43297	384	14	;	;	:
43297	384	15	these	these	DT
43297	384	16	are	be	VBP
43297	384	17	seldom	seldom	RB
43297	384	18	highly	highly	RB
43297	384	19	plastic	plastic	JJ
43297	384	20	and	and	CC
43297	384	21	resemble	resemble	VB
43297	384	22	the	the	DT
43297	384	23	lean	lean	JJ
43297	384	24	china	china	NNP
43297	384	25	clays	clay	NNS
43297	384	26	and	and	CC
43297	384	27	kaolins	kaolins	NNP
43297	384	28	.	.	.
43297	385	1	Others	other	NNS
43297	385	2	have	have	VBP
43297	385	3	been	be	VBN
43297	385	4	carried	carry	VBN
43297	385	5	by	by	IN
43297	385	6	rapidly	rapidly	RB
43297	385	7	moving	move	VBG
43297	385	8	rivers	river	NNS
43297	385	9	and	and	CC
43297	385	10	have	have	VBP
43297	385	11	been	be	VBN
43297	385	12	discharged	discharge	VBN
43297	385	13	into	into	IN
43297	385	14	lakes	lake	NNS
43297	385	15	or	or	CC
43297	385	16	into	into	IN
43297	385	17	the	the	DT
43297	385	18	sea	sea	NN
43297	385	19	;	;	:
43297	385	20	they	-PRON-	PRP
43297	385	21	have	have	VBP
43297	385	22	thus	thus	RB
43297	385	23	undergone	undergo	VBN
43297	385	24	a	a	DT
43297	385	25	process	process	NN
43297	385	26	of	of	IN
43297	385	27	gradual	gradual	JJ
43297	385	28	purification	purification	NN
43297	385	29	by	by	IN
43297	385	30	elutriation	elutriation	NN
43297	385	31	,	,	,
43297	385	32	the	the	DT
43297	385	33	sand	sand	NN
43297	385	34	and	and	CC
43297	385	35	other	other	JJ
43297	385	36	heavier	heavy	JJR
43297	385	37	particles	particle	NNS
43297	385	38	being	be	VBG
43297	385	39	first	first	RB
43297	385	40	deposited	deposit	VBN
43297	385	41	and	and	CC
43297	385	42	the	the	DT
43297	385	43	far	far	RB
43297	385	44	smaller	small	JJR
43297	385	45	particles	particle	NNS
43297	385	46	of	of	IN
43297	385	47	clay	clay	NN
43297	385	48	being	be	VBG
43297	385	49	carried	carry	VBN
43297	385	50	a	a	DT
43297	385	51	greater	great	JJR
43297	385	52	distance	distance	NN
43297	385	53	towards	towards	IN
43297	385	54	the	the	DT
43297	385	55	centre	centre	NN
43297	385	56	of	of	IN
43297	385	57	the	the	DT
43297	385	58	lake	lake	NN
43297	385	59	or	or	CC
43297	385	60	the	the	DT
43297	385	61	quieter	quieter	NN
43297	385	62	portions	portion	NNS
43297	385	63	of	of	IN
43297	385	64	the	the	DT
43297	385	65	ocean	ocean	NN
43297	385	66	.	.	.
43297	386	1	The	the	DT
43297	386	2	nature	nature	NN
43297	386	3	of	of	IN
43297	386	4	such	such	JJ
43297	386	5	deposits	deposit	NNS
43297	386	6	will	will	MD
43297	386	7	,	,	,
43297	386	8	naturally	naturally	RB
43297	386	9	,	,	,
43297	386	10	differ	differ	VB
43297	386	11	greatly	greatly	RB
43297	386	12	from	from	IN
43297	386	13	each	each	DT
43297	386	14	other	other	JJ
43297	386	15	,	,	,
43297	386	16	the	the	DT
43297	386	17	materials	material	NNS
43297	386	18	at	at	IN
43297	386	19	first	first	RB
43297	386	20	associated	associate	VBN
43297	386	21	with	with	IN
43297	386	22	the	the	DT
43297	386	23	clay	clay	NN
43297	386	24	,	,	,
43297	386	25	or	or	CC
43297	386	26	becoming	become	VBG
43297	386	27	mixed	mixed	JJ
43297	386	28	with	with	IN
43297	386	29	it	-PRON-	PRP
43297	386	30	at	at	IN
43297	386	31	a	a	DT
43297	386	32	later	later	JJ
43297	386	33	stage	stage	NN
43297	386	34	,	,	,
43297	386	35	exercising	exercise	VBG
43297	386	36	an	an	DT
43297	386	37	important	important	JJ
43297	386	38	influence	influence	NN
43297	386	39	on	on	IN
43297	386	40	its	-PRON-	PRP$
43297	386	41	texture	texture	NN
43297	386	42	,	,	,
43297	386	43	composition	composition	NN
43297	386	44	and	and	CC
43297	386	45	properties	property	NNS
43297	386	46	.	.	.
43297	387	1	If	if	IN
43297	387	2	the	the	DT
43297	387	3	transporting	transport	VBG
43297	387	4	stream	stream	NN
43297	387	5	flows	flow	VBZ
43297	387	6	through	through	IN
43297	387	7	valleys	valley	NNS
43297	387	8	whose	whose	WP$
43297	387	9	sides	side	NNS
43297	387	10	are	be	VBP
43297	387	11	formed	form	VBN
43297	387	12	of	of	IN
43297	387	13	limestone	limestone	NN
43297	387	14	,	,	,
43297	387	15	chalk	chalk	NN
43297	387	16	,	,	,
43297	387	17	sandstone	sandstone	NN
43297	387	18	or	or	CC
43297	387	19	other	other	JJ
43297	387	20	materials	material	NNS
43297	387	21	,	,	,
43297	387	22	these	these	DT
43297	387	23	will	will	MD
43297	387	24	become	become	VB
43297	387	25	mixed	mixed	JJ
43297	387	26	with	with	IN
43297	387	27	the	the	DT
43297	387	28	clay	clay	NN
43297	387	29	,	,	,
43297	387	30	and	and	CC
43297	387	31	to	to	TO
43297	387	32	so	so	RB
43297	387	33	great	great	JJ
43297	387	34	an	an	DT
43297	387	35	extent	extent	NN
43297	387	36	has	have	VBZ
43297	387	37	the	the	DT
43297	387	38	mixing	mixing	NN
43297	387	39	occurred	occur	VBD
43297	387	40	that	that	IN
43297	387	41	very	very	RB
43297	387	42	few	few	JJ
43297	387	43	clays	clay	NNS
43297	387	44	occur	occur	VBP
43297	387	45	in	in	IN
43297	387	46	a	a	DT
43297	387	47	state	state	NN
43297	387	48	even	even	RB
43297	387	49	approximating	approximate	VBG
43297	387	50	to	to	IN
43297	387	51	purity	purity	NN
43297	387	52	.	.	.
43297	388	1	The	the	DT
43297	388	2	majority	majority	NN
43297	388	3	of	of	IN
43297	388	4	clays	clay	NNS
43297	388	5	are	be	VBP
43297	388	6	contaminated	contaminate	VBN
43297	388	7	with	with	IN
43297	388	8	iron	iron	NN
43297	388	9	oxide	oxide	NN
43297	388	10	,	,	,
43297	388	11	lime	lime	NN
43297	388	12	compounds	compound	NNS
43297	388	13	and	and	CC
43297	388	14	free	free	JJ
43297	388	15	silica	silica	NN
43297	388	16	in	in	IN
43297	388	17	such	such	PDT
43297	388	18	a	a	DT
43297	388	19	fine	fine	JJ
43297	388	20	state	state	NN
43297	388	21	of	of	IN
43297	388	22	division	division	NN
43297	388	23	that	that	IN
43297	388	24	it	-PRON-	PRP
43297	388	25	is	be	VBZ
43297	388	26	impossible	impossible	JJ
43297	388	27	to	to	TO
43297	388	28	purify	purify	VB
43297	388	29	them	-PRON-	PRP
43297	388	30	completely	completely	RB
43297	388	31	without	without	IN
43297	388	32	destroying	destroy	VBG
43297	388	33	the	the	DT
43297	388	34	nature	nature	NN
43297	388	35	of	of	IN
43297	388	36	the	the	DT
43297	388	37	clay	clay	NN
43297	388	38	.	.	.
43297	389	1	In	in	IN
43297	389	2	addition	addition	NN
43297	389	3	to	to	IN
43297	389	4	this	this	DT
43297	389	5	it	-PRON-	PRP
43297	389	6	must	must	MD
43297	389	7	be	be	VB
43297	389	8	remembered	remember	VBN
43297	389	9	that	that	IN
43297	389	10	the	the	DT
43297	389	11	land	land	NN
43297	389	12	is	be	VBZ
43297	389	13	continually	continually	RB
43297	389	14	rising	rise	VBG
43297	389	15	or	or	CC
43297	389	16	sinking	sink	VBG
43297	389	17	owing	owing	NN
43297	389	18	to	to	IN
43297	389	19	internal	internal	JJ
43297	389	20	changes	change	NNS
43297	389	21	in	in	IN
43297	389	22	the	the	DT
43297	389	23	interior	interior	NN
43297	389	24	of	of	IN
43297	389	25	the	the	DT
43297	389	26	earth	earth	NN
43297	389	27	,	,	,
43297	389	28	and	and	CC
43297	389	29	that	that	IN
43297	389	30	these	these	DT
43297	389	31	subterranean	subterranean	JJ
43297	389	32	changes	change	NNS
43297	389	33	bring	bring	VBP
43297	389	34	about	about	RP
43297	389	35	tilting	tilting	NN
43297	389	36	,	,	,
43297	389	37	folding	folding	NN
43297	389	38	,	,	,
43297	389	39	overturning	overturning	NN
43297	389	40	and	and	CC
43297	389	41	other	other	JJ
43297	389	42	secondary	secondary	JJ
43297	389	43	changes	change	NNS
43297	389	44	,	,	,
43297	389	45	which	which	WDT
43297	389	46	,	,	,
43297	389	47	later	later	RB
43297	389	48	,	,	,
43297	389	49	cause	cause	VB
43297	389	50	a	a	DT
43297	389	51	fresh	fresh	JJ
43297	389	52	set	set	NN
43297	389	53	of	of	IN
43297	389	54	materials	material	NNS
43297	389	55	to	to	TO
43297	389	56	be	be	VB
43297	389	57	mixed	mix	VBN
43297	389	58	with	with	IN
43297	389	59	the	the	DT
43297	389	60	clays	clay	NNS
43297	389	61	.	.	.
43297	390	1	Further	further	RB
43297	390	2	than	than	IN
43297	390	3	this	this	DT
43297	390	4	,	,	,
43297	390	5	the	the	DT
43297	390	6	action	action	NN
43297	390	7	of	of	IN
43297	390	8	the	the	DT
43297	390	9	weather	weather	NN
43297	390	10	,	,	,
43297	390	11	of	of	IN
43297	390	12	rivers	river	NNS
43297	390	13	and	and	CC
43297	390	14	of	of	IN
43297	390	15	the	the	DT
43297	390	16	sea	sea	NN
43297	390	17	never	never	RB
43297	390	18	ceases	cease	VBZ
43297	390	19	,	,	,
43297	390	20	so	so	IN
43297	390	21	that	that	IN
43297	390	22	a	a	DT
43297	390	23	process	process	NN
43297	390	24	of	of	IN
43297	390	25	re	re	NN
43297	390	26	-	-	JJ
43297	390	27	mixing	mixing	JJ
43297	390	28	and	and	CC
43297	390	29	re	re	NN
43297	390	30	-	-	JJ
43297	390	31	sorting	sorting	NN
43297	390	32	of	of	IN
43297	390	33	materials	material	NNS
43297	390	34	is	be	VBZ
43297	390	35	continuously	continuously	RB
43297	390	36	taking	take	VBG
43297	390	37	place	place	NN
43297	390	38	,	,	,
43297	390	39	and	and	CC
43297	390	40	has	have	VBZ
43297	390	41	been	be	VBN
43297	390	42	doing	do	VBG
43297	390	43	so	so	RB
43297	390	44	for	for	IN
43297	390	45	countless	countless	JJ
43297	390	46	ages	age	NNS
43297	390	47	.	.	.
43297	391	1	It	-PRON-	PRP
43297	391	2	is	be	VBZ
43297	391	3	,	,	,
43297	391	4	therefore	therefore	RB
43297	391	5	,	,	,
43297	391	6	a	a	DT
43297	391	7	legitimate	legitimate	JJ
43297	391	8	cause	cause	NN
43297	391	9	for	for	IN
43297	391	10	wonder	wonder	NN
43297	391	11	that	that	IN
43297	391	12	such	such	JJ
43297	391	13	enormous	enormous	JJ
43297	391	14	deposits	deposit	NNS
43297	391	15	of	of	IN
43297	391	16	clays	clay	NNS
43297	391	17	of	of	IN
43297	391	18	so	so	RB
43297	391	19	uniform	uniform	VB
43297	391	20	a	a	DT
43297	391	21	character	character	NN
43297	391	22	should	should	MD
43297	391	23	occur	occur	VB
43297	391	24	throughout	throughout	IN
43297	391	25	the	the	DT
43297	391	26	length	length	NN
43297	391	27	and	and	CC
43297	391	28	breadth	breadth	NN
43297	391	29	of	of	IN
43297	391	30	Europe	Europe	NNP
43297	391	31	,	,	,
43297	391	32	and	and	CC
43297	391	33	practically	practically	RB
43297	391	34	throughout	throughout	IN
43297	391	35	the	the	DT
43297	391	36	world	world	NN
43297	391	37	.	.	.
43297	392	1	For	for	IN
43297	392	2	although	although	IN
43297	392	3	the	the	DT
43297	392	4	composition	composition	NN
43297	392	5	of	of	IN
43297	392	6	many	many	JJ
43297	392	7	of	of	IN
43297	392	8	these	these	DT
43297	392	9	beds	bed	NNS
43297	392	10	is	be	VBZ
43297	392	11	of	of	IN
43297	392	12	a	a	DT
43297	392	13	most	most	RBS
43297	392	14	highly	highly	RB
43297	392	15	complex	complex	JJ
43297	392	16	nature	nature	NN
43297	392	17	,	,	,
43297	392	18	the	the	DT
43297	392	19	general	general	JJ
43297	392	20	properties	property	NNS
43297	392	21	such	such	JJ
43297	392	22	as	as	IN
43297	392	23	plasticity	plasticity	NN
43297	392	24	,	,	,
43297	392	25	behaviour	behaviour	VB
43297	392	26	on	on	IN
43297	392	27	heating	heating	NN
43297	392	28	,	,	,
43297	392	29	etc	etc	FW
43297	392	30	.	.	FW
43297	392	31	,	,	,
43297	392	32	remain	remain	VBP
43297	392	33	remarkably	remarkably	RB
43297	392	34	constant	constant	JJ
43297	392	35	over	over	IN
43297	392	36	large	large	JJ
43297	392	37	areas	area	NNS
43297	392	38	of	of	IN
43297	392	39	country	country	NN
43297	392	40	,	,	,
43297	392	41	and	and	CC
43297	392	42	the	the	DT
43297	392	43	clays	clay	NNS
43297	392	44	of	of	IN
43297	392	45	each	each	DT
43297	392	46	geological	geological	JJ
43297	392	47	formation	formation	NN
43297	392	48	are	be	VBP
43297	392	49	so	so	RB
43297	392	50	much	much	RB
43297	392	51	alike	alike	RB
43297	392	52	in	in	IN
43297	392	53	different	different	JJ
43297	392	54	parts	part	NNS
43297	392	55	of	of	IN
43297	392	56	the	the	DT
43297	392	57	world	world	NN
43297	392	58	as	as	IN
43297	392	59	to	to	TO
43297	392	60	be	be	VB
43297	392	61	readily	readily	RB
43297	392	62	recognized	recognize	VBN
43297	392	63	by	by	IN
43297	392	64	anyone	anyone	NN
43297	392	65	familiar	familiar	JJ
43297	392	66	with	with	IN
43297	392	67	the	the	DT
43297	392	68	material	material	NN
43297	392	69	of	of	IN
43297	392	70	the	the	DT
43297	392	71	same	same	JJ
43297	392	72	formations	formation	NNS
43297	392	73	in	in	IN
43297	392	74	this	this	DT
43297	392	75	country	country	NN
43297	392	76	.	.	.
43297	393	1	Considerable	considerable	JJ
43297	393	2	differences	difference	NNS
43297	393	3	undoubtedly	undoubtedly	RB
43297	393	4	exist	exist	VBP
43297	393	5	,	,	,
43297	393	6	but	but	CC
43297	393	7	these	these	DT
43297	393	8	are	be	VBP
43297	393	9	insignificant	insignificant	JJ
43297	393	10	in	in	IN
43297	393	11	comparison	comparison	NN
43297	393	12	with	with	IN
43297	393	13	the	the	DT
43297	393	14	vastly	vastly	RB
43297	393	15	different	different	JJ
43297	393	16	circumstances	circumstance	NNS
43297	393	17	under	under	IN
43297	393	18	which	which	WDT
43297	393	19	the	the	DT
43297	393	20	deposits	deposit	NNS
43297	393	21	were	be	VBD
43297	393	22	accumulated	accumulate	VBN
43297	393	23	.	.	.
43297	394	1	Leaving	leave	VBG
43297	394	2	the	the	DT
43297	394	3	consideration	consideration	NN
43297	394	4	of	of	IN
43297	394	5	the	the	DT
43297	394	6	modes	mode	NNS
43297	394	7	of	of	IN
43297	394	8	formation	formation	NN
43297	394	9	of	of	IN
43297	394	10	the	the	DT
43297	394	11	various	various	JJ
43297	394	12	clay	clay	NN
43297	394	13	deposits	deposit	NNS
43297	394	14	to	to	IN
43297	394	15	later	later	JJ
43297	394	16	chapters	chapter	NNS
43297	394	17	(	(	-LRB-
43297	394	18	III	III	NNP
43297	394	19	and	and	CC
43297	394	20	IV	IV	NNP
43297	394	21	)	)	-RRB-
43297	394	22	,	,	,
43297	394	23	it	-PRON-	PRP
43297	394	24	is	be	VBZ
43297	394	25	convenient	convenient	JJ
43297	394	26	here	here	RB
43297	394	27	to	to	TO
43297	394	28	enumerate	enumerate	VB
43297	394	29	some	some	DT
43297	394	30	of	of	IN
43297	394	31	the	the	DT
43297	394	32	chief	chief	JJ
43297	394	33	characteristics	characteristic	NNS
43297	394	34	of	of	IN
43297	394	35	the	the	DT
43297	394	36	different	different	JJ
43297	394	37	clay	clay	NN
43297	394	38	deposits	deposit	NNS
43297	394	39	and	and	CC
43297	394	40	their	-PRON-	PRP$
43297	394	41	associated	associate	VBN
43297	394	42	rocks	rock	NNS
43297	394	43	.	.	.
43297	395	1	In	in	IN
43297	395	2	this	this	DT
43297	395	3	connection	connection	NN
43297	395	4	it	-PRON-	PRP
43297	395	5	is	be	VBZ
43297	395	6	not	not	RB
43297	395	7	proposed	propose	VBN
43297	395	8	to	to	TO
43297	395	9	enter	enter	VB
43297	395	10	into	into	IN
43297	395	11	minute	minute	JJ
43297	395	12	details	detail	NNS
43297	395	13	,	,	,
43297	395	14	but	but	CC
43297	395	15	rather	rather	RB
43297	395	16	to	to	TO
43297	395	17	indicate	indicate	VB
43297	395	18	in	in	IN
43297	395	19	broad	broad	JJ
43297	395	20	outline	outline	NN
43297	395	21	the	the	DT
43297	395	22	chief	chief	JJ
43297	395	23	characteristics	characteristic	NNS
43297	395	24	of	of	IN
43297	395	25	the	the	DT
43297	395	26	clays	clay	NNS
43297	395	27	from	from	IN
43297	395	28	the	the	DT
43297	395	29	different	different	JJ
43297	395	30	deposits	deposit	NNS
43297	395	31	.	.	.
43297	396	1	This	this	DT
43297	396	2	general	general	JJ
43297	396	3	view	view	NN
43297	396	4	is	be	VBZ
43297	396	5	the	the	DT
43297	396	6	more	more	RBR
43297	396	7	necessary	necessary	JJ
43297	396	8	as	as	IN
43297	396	9	clay	clay	NN
43297	396	10	occurs	occur	VBZ
43297	396	11	in	in	IN
43297	396	12	each	each	DT
43297	396	13	main	main	JJ
43297	396	14	geological	geological	JJ
43297	396	15	division	division	NN
43297	396	16	of	of	IN
43297	396	17	the	the	DT
43297	396	18	sedimentary	sedimentary	JJ
43297	396	19	rocks	rock	NNS
43297	396	20	and	and	CC
43297	396	21	in	in	IN
43297	396	22	almost	almost	RB
43297	396	23	every	every	DT
43297	396	24	sub	sub	NN
43297	396	25	-	-	NN
43297	396	26	division	division	NN
43297	396	27	in	in	IN
43297	396	28	various	various	JJ
43297	396	29	parts	part	NNS
43297	396	30	of	of	IN
43297	396	31	the	the	DT
43297	396	32	world	world	NN
43297	396	33	.	.	.
43297	397	1	The	the	DT
43297	397	2	=	=	SYM
43297	397	3	Precambrian	Precambrian	NNP
43297	397	4	,	,	,
43297	397	5	Cambrian	cambrian	JJ
43297	397	6	,	,	,
43297	397	7	Silurian	silurian	JJ
43297	397	8	and	and	CC
43297	397	9	Devonian=	devonian=	IN
43297	397	10	'	'	``
43297	397	11	clays	clay	NNS
43297	397	12	'	'	''
43297	397	13	are	be	VBP
43297	397	14	chiefly	chiefly	RB
43297	397	15	in	in	IN
43297	397	16	the	the	DT
43297	397	17	form	form	NN
43297	397	18	of	of	IN
43297	397	19	shales	shale	NNS
43297	397	20	or	or	CC
43297	397	21	slates	slate	NNS
43297	397	22	,	,	,
43297	397	23	the	the	DT
43297	397	24	latter	latter	JJ
43297	397	25	being	be	VBG
43297	397	26	clays	clay	NNS
43297	397	27	which	which	WDT
43297	397	28	have	have	VBP
43297	397	29	undergone	undergo	VBN
43297	397	30	a	a	DT
43297	397	31	metamorphic	metamorphic	JJ
43297	397	32	change	change	NN
43297	397	33	;	;	:
43297	397	34	the	the	DT
43297	397	35	latter	latter	NN
43297	397	36	resulted	result	VBD
43297	397	37	in	in	IN
43297	397	38	the	the	DT
43297	397	39	production	production	NN
43297	397	40	of	of	IN
43297	397	41	a	a	DT
43297	397	42	hard	hard	JJ
43297	397	43	and	and	CC
43297	397	44	partially	partially	RB
43297	397	45	crystalline	crystalline	JJ
43297	397	46	material	material	NN
43297	397	47	with	with	IN
43297	397	48	but	but	CC
43297	397	49	little	little	JJ
43297	397	50	potential	potential	JJ
43297	397	51	plasticity	plasticity	NN
43297	397	52	and	and	CC
43297	397	53	therefore	therefore	RB
43297	397	54	of	of	IN
43297	397	55	small	small	JJ
43297	397	56	importance	importance	NN
43297	397	57	for	for	IN
43297	397	58	the	the	DT
43297	397	59	ordinary	ordinary	JJ
43297	397	60	purposes	purpose	NNS
43297	397	61	of	of	IN
43297	397	62	clay	clay	NN
43297	397	63	working	working	NN
43297	397	64	.	.	.
43297	398	1	_	_	NNP
43297	398	2	Slates	Slates	NNPS
43297	398	3	_	_	NNP
43297	398	4	are	be	VBP
43297	398	5	distinguished	distinguish	VBN
43297	398	6	from	from	IN
43297	398	7	shales	shale	NNS
43297	398	8	by	by	IN
43297	398	9	their	-PRON-	PRP$
43297	398	10	splitting	splitting	NN
43297	398	11	into	into	IN
43297	398	12	thin	thin	JJ
43297	398	13	leaves	leave	NNS
43297	398	14	which	which	WDT
43297	398	15	are	be	VBP
43297	398	16	not	not	RB
43297	398	17	in	in	IN
43297	398	18	the	the	DT
43297	398	19	plane	plane	NN
43297	398	20	of	of	IN
43297	398	21	original	original	JJ
43297	398	22	deposition	deposition	NN
43297	398	23	,	,	,
43297	398	24	but	but	CC
43297	398	25	are	be	VBP
43297	398	26	due	due	JJ
43297	398	27	to	to	IN
43297	398	28	the	the	DT
43297	398	29	deposited	deposit	VBN
43297	398	30	material	material	NN
43297	398	31	being	be	VBG
43297	398	32	subjected	subject	VBN
43297	398	33	to	to	IN
43297	398	34	great	great	JJ
43297	398	35	lateral	lateral	JJ
43297	398	36	pressure	pressure	NN
43297	398	37	.	.	.
43297	399	1	The	the	DT
43297	399	2	re	re	NN
43297	399	3	-	-	NN
43297	399	4	arrangement	arrangement	NN
43297	399	5	of	of	IN
43297	399	6	the	the	DT
43297	399	7	particles	particle	NNS
43297	399	8	thus	thus	RB
43297	399	9	produced	produce	VBD
43297	399	10	has	have	VBZ
43297	399	11	imparted	impart	VBN
43297	399	12	to	to	IN
43297	399	13	the	the	DT
43297	399	14	material	material	NN
43297	399	15	a	a	DT
43297	399	16	cleavage	cleavage	NN
43297	399	17	quite	quite	RB
43297	399	18	independent	independent	JJ
43297	399	19	of	of	IN
43297	399	20	the	the	DT
43297	399	21	original	original	JJ
43297	399	22	lamination	lamination	NN
43297	399	23	.	.	.
43297	400	1	The	the	DT
43297	400	2	shales	shale	NNS
43297	400	3	in	in	IN
43297	400	4	these	these	DT
43297	400	5	formations	formation	NNS
43297	400	6	are	be	VBP
43297	400	7	occasionally	occasionally	RB
43297	400	8	soft	soft	JJ
43297	400	9	and	and	CC
43297	400	10	friable	friable	JJ
43297	400	11	and	and	CC
43297	400	12	are	be	VBP
43297	400	13	then	then	RB
43297	400	14	termed	term	VBN
43297	400	15	_	_	NNP
43297	400	16	marls	marls	NNP
43297	400	17	_	_	NNP
43297	400	18	,	,	,
43297	400	19	but	but	CC
43297	400	20	this	this	DT
43297	400	21	name	name	NN
43297	400	22	is	be	VBZ
43297	400	23	misleading	misleading	JJ
43297	400	24	as	as	IN
43297	400	25	they	-PRON-	PRP
43297	400	26	contain	contain	VBP
43297	400	27	no	no	DT
43297	400	28	appreciable	appreciable	JJ
43297	400	29	proportion	proportion	NN
43297	400	30	of	of	IN
43297	400	31	finely	finely	RB
43297	400	32	divided	divide	VBN
43297	400	33	calcium	calcium	NN
43297	400	34	carbonate	carbonate	NN
43297	400	35	as	as	IN
43297	400	36	do	do	VBP
43297	400	37	the	the	DT
43297	400	38	true	true	JJ
43297	400	39	marls[8	marls[8	NNP
43297	400	40	]	]	-RRB-
43297	400	41	.	.	.
43297	401	1	[	[	-LRB-
43297	401	2	Footnote	footnote	NN
43297	401	3	8	8	CD
43297	401	4	:	:	:
43297	401	5	Readers	reader	NNS
43297	401	6	desiring	desire	VBG
43297	401	7	more	more	RBR
43297	401	8	detailed	detailed	JJ
43297	401	9	information	information	NN
43297	401	10	on	on	IN
43297	401	11	the	the	DT
43297	401	12	occurrence	occurrence	NN
43297	401	13	of	of	IN
43297	401	14	the	the	DT
43297	401	15	clays	clay	NNS
43297	401	16	mentioned	mention	VBN
43297	401	17	in	in	IN
43297	401	18	this	this	DT
43297	401	19	chapter	chapter	NN
43297	401	20	should	should	MD
43297	401	21	refer	refer	VB
43297	401	22	to	to	IN
43297	401	23	the	the	DT
43297	401	24	author	author	NN
43297	401	25	's	's	POS
43297	401	26	_	_	NNP
43297	401	27	British	British	NNP
43297	401	28	Clays	Clays	NNP
43297	401	29	_	_	NNP
43297	401	30	(	(	-LRB-
43297	401	31	No	no	UH
43297	401	32	.	.	.
43297	402	1	2	2	CD
43297	402	2	in	in	IN
43297	402	3	Bibliography	Bibliography	NNP
43297	402	4	)	)	-RRB-
43297	402	5	.	.	.
43297	402	6	]	]	-RRB-
43297	403	1	The	the	DT
43297	403	2	clays	clay	NNS
43297	403	3	in	in	IN
43297	403	4	the	the	DT
43297	403	5	=	=	-RRB-
43297	403	6	Carboniferous	carboniferous	JJ
43297	403	7	Limestone=	Limestone=	NNS
43297	403	8	are	be	VBP
43297	403	9	not	not	RB
43297	403	10	,	,	,
43297	403	11	as	as	IN
43297	403	12	a	a	DT
43297	403	13	whole	whole	NN
43297	403	14	,	,	,
43297	403	15	of	of	IN
43297	403	16	much	much	JJ
43297	403	17	importance	importance	NN
43297	403	18	,	,	,
43297	403	19	but	but	CC
43297	403	20	the	the	DT
43297	403	21	occurrence	occurrence	NN
43297	403	22	in	in	IN
43297	403	23	this	this	DT
43297	403	24	formation	formation	NN
43297	403	25	of	of	IN
43297	403	26	pockets	pocket	NNS
43297	403	27	of	of	IN
43297	403	28	white	white	JJ
43297	403	29	refractory	refractory	JJ
43297	403	30	clays	clay	NNS
43297	403	31	in	in	IN
43297	403	32	Staffordshire	Staffordshire	NNP
43297	403	33	,	,	,
43297	403	34	North	North	NNP
43297	403	35	Wales	Wales	NNP
43297	403	36	(	(	-LRB-
43297	403	37	Mold	Mold	NNP
43297	403	38	)	)	-RRB-
43297	403	39	and	and	CC
43297	403	40	Derbyshire	Derbyshire	NNP
43297	403	41	is	be	VBZ
43297	403	42	interesting	interesting	JJ
43297	403	43	,	,	,
43297	403	44	especially	especially	RB
43297	403	45	as	as	IN
43297	403	46	these	these	DT
43297	403	47	are	be	VBP
43297	403	48	used	use	VBN
43297	403	49	for	for	IN
43297	403	50	the	the	DT
43297	403	51	manufacture	manufacture	NN
43297	403	52	of	of	IN
43297	403	53	firebricks	firebrick	NNS
43297	403	54	and	and	CC
43297	403	55	furnace	furnace	VB
43297	403	56	linings	lining	NNS
43297	403	57	.	.	.
43297	404	1	These	these	DT
43297	404	2	clays	clay	NNS
43297	404	3	are	be	VBP
43297	404	4	highly	highly	RB
43297	404	5	silicious	silicious	JJ
43297	404	6	and	and	CC
43297	404	7	in	in	IN
43297	404	8	composition	composition	NN
43297	404	9	are	be	VBP
43297	404	10	intermediate	intermediate	JJ
43297	404	11	between	between	IN
43297	404	12	the	the	DT
43297	404	13	Yorkshire	Yorkshire	NNP
43297	404	14	fireclays	fireclay	NNS
43297	404	15	and	and	CC
43297	404	16	ganister	ganister	NN
43297	404	17	.	.	.
43297	405	1	Their	-PRON-	PRP$
43297	405	2	origin	origin	NN
43297	405	3	is	be	VBZ
43297	405	4	uncertain	uncertain	JJ
43297	405	5	,	,	,
43297	405	6	but	but	CC
43297	405	7	it	-PRON-	PRP
43297	405	8	is	be	VBZ
43297	405	9	generally	generally	RB
43297	405	10	considered	consider	VBN
43297	405	11	that	that	IN
43297	405	12	they	-PRON-	PRP
43297	405	13	have	have	VBP
43297	405	14	been	be	VBN
43297	405	15	produced	produce	VBN
43297	405	16	by	by	IN
43297	405	17	the	the	DT
43297	405	18	action	action	NN
43297	405	19	of	of	IN
43297	405	20	the	the	DT
43297	405	21	weather	weather	NN
43297	405	22	and	and	CC
43297	405	23	streams	stream	VBZ
43297	405	24	on	on	IN
43297	405	25	the	the	DT
43297	405	26	shales	shale	NNS
43297	405	27	and	and	CC
43297	405	28	grits	grit	NNS
43297	405	29	of	of	IN
43297	405	30	the	the	DT
43297	405	31	Coal	Coal	NNP
43297	405	32	Measures	Measures	NNPS
43297	405	33	which	which	WDT
43297	405	34	formerly	formerly	RB
43297	405	35	occupied	occupy	VBD
43297	405	36	the	the	DT
43297	405	37	higher	high	JJR
43297	405	38	ground	ground	NN
43297	405	39	around	around	IN
43297	405	40	them	-PRON-	PRP
43297	405	41	,	,	,
43297	405	42	though	though	IN
43297	405	43	Maw	Maw	NNP
43297	405	44	(	(	-LRB-
43297	405	45	16	16	CD
43297	405	46	)	)	-RRB-
43297	405	47	states	state	VBZ
43297	405	48	that	that	IN
43297	405	49	'	'	``
43297	405	50	it	-PRON-	PRP
43297	405	51	is	be	VBZ
43297	405	52	scarcely	scarcely	RB
43297	405	53	open	open	JJ
43297	405	54	to	to	IN
43297	405	55	question	question	NN
43297	405	56	that	that	IN
43297	405	57	they	-PRON-	PRP
43297	405	58	are	be	VBP
43297	405	59	the	the	DT
43297	405	60	remnants	remnant	NNS
43297	405	61	of	of	IN
43297	405	62	the	the	DT
43297	405	63	subaerial	subaerial	JJ
43297	405	64	dissolution	dissolution	NN
43297	405	65	of	of	IN
43297	405	66	the	the	DT
43297	405	67	limestone	limestone	NN
43297	405	68	'	'	''
43297	405	69	(	(	-LRB-
43297	405	70	see	see	VB
43297	405	71	'	'	``
43297	405	72	Fireclays	fireclay	NNS
43297	405	73	,	,	,
43297	405	74	'	'	''
43297	405	75	Chapter	chapter	NN
43297	405	76	V	V	NNP
43297	405	77	)	)	-RRB-
43297	405	78	.	.	.
43297	406	1	In	in	IN
43297	406	2	the	the	DT
43297	406	3	=	=	SYM
43297	406	4	Upper	Upper	NNP
43297	406	5	Carboniferous	Carboniferous	NNP
43297	406	6	System=	System=	VBZ
43297	406	7	the	the	DT
43297	406	8	clays	clay	NNS
43297	406	9	are	be	VBP
43297	406	10	highly	highly	RB
43297	406	11	important	important	JJ
43297	406	12	because	because	IN
43297	406	13	of	of	IN
43297	406	14	their	-PRON-	PRP$
43297	406	15	general	general	JJ
43297	406	16	refractory	refractory	JJ
43297	406	17	nature	nature	NN
43297	406	18	,	,	,
43297	406	19	though	though	IN
43297	406	20	they	-PRON-	PRP
43297	406	21	differ	differ	VBP
43297	406	22	greatly	greatly	RB
43297	406	23	in	in	IN
43297	406	24	this	this	DT
43297	406	25	respect	respect	NN
43297	406	26	,	,	,
43297	406	27	some	some	DT
43297	406	28	red	red	JJ
43297	406	29	-	-	HYPH
43297	406	30	burning	burn	VBG
43297	406	31	shales	shale	NNS
43297	406	32	of	of	IN
43297	406	33	this	this	DT
43297	406	34	formation	formation	NN
43297	406	35	having	have	VBG
43297	406	36	no	no	DT
43297	406	37	greater	great	JJR
43297	406	38	power	power	NN
43297	406	39	to	to	TO
43297	406	40	resist	resist	VB
43297	406	41	heat	heat	NN
43297	406	42	than	than	IN
43297	406	43	have	have	VB
43297	406	44	some	some	DT
43297	406	45	of	of	IN
43297	406	46	the	the	DT
43297	406	47	surface	surface	NN
43297	406	48	clays	clay	NNS
43297	406	49	.	.	.
43297	407	1	Those	those	DT
43297	407	2	of	of	IN
43297	407	3	the	the	DT
43297	407	4	Coal	Coal	NNP
43297	407	5	Measures	Measures	NNPS
43297	407	6	are	be	VBP
43297	407	7	of	of	IN
43297	407	8	two	two	CD
43297	407	9	main	main	JJ
43297	407	10	kinds	kind	NNS
43297	407	11	--	--	:
43297	407	12	shales	shale	NNS
43297	407	13	,	,	,
43297	407	14	or	or	CC
43297	407	15	laminated	laminate	VBN
43297	407	16	rocks	rock	NNS
43297	407	17	which	which	WDT
43297	407	18	readily	readily	RB
43297	407	19	split	split	VBD
43297	407	20	along	along	IN
43297	407	21	the	the	DT
43297	407	22	planes	plane	NNS
43297	407	23	of	of	IN
43297	407	24	deposition	deposition	NN
43297	407	25	,	,	,
43297	407	26	and	and	CC
43297	407	27	unstratified	unstratified	JJ
43297	407	28	underclays	underclay	NNS
43297	407	29	.	.	.
43297	408	1	The	the	DT
43297	408	2	_	_	NNP
43297	408	3	shales	shale	NNS
43297	408	4	_	_	NNP
43297	408	5	usually	usually	RB
43297	408	6	occur	occur	VBP
43297	408	7	above	above	IN
43297	408	8	the	the	DT
43297	408	9	seams	seam	NNS
43297	408	10	of	of	IN
43297	408	11	coal	coal	NN
43297	408	12	and	and	CC
43297	408	13	are	be	VBP
43297	408	14	either	either	DT
43297	408	15	of	of	IN
43297	408	16	lacustrine	lacustrine	NN
43297	408	17	or	or	CC
43297	408	18	marine	marine	JJ
43297	408	19	origin	origin	NN
43297	408	20	,	,	,
43297	408	21	differences	difference	NNS
43297	408	22	in	in	IN
43297	408	23	their	-PRON-	PRP$
43297	408	24	fossils	fossil	NNS
43297	408	25	and	and	CC
43297	408	26	lithological	lithological	JJ
43297	408	27	character	character	NN
43297	408	28	supporting	support	VBG
43297	408	29	one	one	CD
43297	408	30	origin	origin	NN
43297	408	31	for	for	IN
43297	408	32	some	some	DT
43297	408	33	deposits	deposit	NNS
43297	408	34	and	and	CC
43297	408	35	the	the	DT
43297	408	36	other	other	JJ
43297	408	37	for	for	IN
43297	408	38	the	the	DT
43297	408	39	remainder	remainder	NN
43297	408	40	.	.	.
43297	409	1	Some	some	DT
43297	409	2	of	of	IN
43297	409	3	them	-PRON-	PRP
43297	409	4	are	be	VBP
43297	409	5	fairly	fairly	RB
43297	409	6	uniform	uniform	JJ
43297	409	7	in	in	IN
43297	409	8	composition	composition	NN
43297	409	9	,	,	,
43297	409	10	but	but	CC
43297	409	11	others	other	NNS
43297	409	12	vary	vary	VBP
43297	409	13	so	so	RB
43297	409	14	greatly	greatly	RB
43297	409	15	in	in	IN
43297	409	16	their	-PRON-	PRP$
43297	409	17	physical	physical	JJ
43297	409	18	characters	character	NNS
43297	409	19	,	,	,
43297	409	20	that	that	IN
43297	409	21	they	-PRON-	PRP
43297	409	22	are	be	VBP
43297	409	23	divided	divide	VBN
43297	409	24	by	by	IN
43297	409	25	miners	miner	NNS
43297	409	26	into	into	IN
43297	409	27	'	'	``
43297	409	28	binds	bind	NNS
43297	409	29	'	'	''
43297	409	30	or	or	CC
43297	409	31	relatively	relatively	RB
43297	409	32	pure	pure	JJ
43297	409	33	shales	shale	NNS
43297	409	34	,	,	,
43297	409	35	'	'	''
43297	409	36	rock	rock	NN
43297	409	37	-	-	HYPH
43297	409	38	binds	bind	NNS
43297	409	39	,	,	,
43297	409	40	'	'	''
43297	409	41	or	or	CC
43297	409	42	sandy	sandy	JJ
43297	409	43	shales	shale	NNS
43297	409	44	,	,	,
43297	409	45	and	and	CC
43297	409	46	sandstones	sandstone	NNS
43297	409	47	.	.	.
43297	410	1	They	-PRON-	PRP
43297	410	2	also	also	RB
43297	410	3	vary	vary	VBP
43297	410	4	greatly	greatly	RB
43297	410	5	in	in	IN
43297	410	6	thickness	thickness	NN
43297	410	7	in	in	IN
43297	410	8	different	different	JJ
43297	410	9	localities	locality	NNS
43297	410	10	,	,	,
43297	410	11	and	and	CC
43297	410	12	whilst	whilst	IN
43297	410	13	they	-PRON-	PRP
43297	410	14	form	form	VBP
43297	410	15	the	the	DT
43297	410	16	main	main	JJ
43297	410	17	feature	feature	NN
43297	410	18	in	in	IN
43297	410	19	some	some	DT
43297	410	20	districts	district	NNS
43297	410	21	,	,	,
43297	410	22	in	in	IN
43297	410	23	others	other	NNS
43297	410	24	they	-PRON-	PRP
43297	410	25	are	be	VBP
43297	410	26	replaced	replace	VBN
43297	410	27	by	by	IN
43297	410	28	sandstones	sandstone	NNS
43297	410	29	.	.	.
43297	411	1	The	the	DT
43297	411	2	_	_	NNP
43297	411	3	underclays	underclay	NNS
43297	411	4	_	_	NNP
43297	411	5	are	be	VBP
43297	411	6	so	so	RB
43297	411	7	called	call	VBN
43297	411	8	from	from	IN
43297	411	9	their	-PRON-	PRP$
43297	411	10	usually	usually	RB
43297	411	11	lying	lie	VBG
43297	411	12	beneath	beneath	IN
43297	411	13	the	the	DT
43297	411	14	coal	coal	NN
43297	411	15	seams	seam	VBZ
43297	411	16	.	.	.
43297	412	1	They	-PRON-	PRP
43297	412	2	are	be	VBP
43297	412	3	not	not	RB
43297	412	4	noticeably	noticeably	RB
43297	412	5	stratified	stratified	JJ
43297	412	6	and	and	CC
43297	412	7	vary	vary	VBP
43297	412	8	greatly	greatly	RB
43297	412	9	in	in	IN
43297	412	10	character	character	NN
43297	412	11	from	from	IN
43297	412	12	soft	soft	JJ
43297	412	13	unctuous	unctuous	JJ
43297	412	14	materials	material	NNS
43297	412	15	to	to	IN
43297	412	16	hard	hard	JJ
43297	412	17	,	,	,
43297	412	18	sandy	sandy	JJ
43297	412	19	rocks	rock	NNS
43297	412	20	.	.	.
43297	413	1	In	in	IN
43297	413	2	composition	composition	NN
43297	413	3	they	-PRON-	PRP
43297	413	4	vary	vary	VBP
43297	413	5	enormously	enormously	RB
43297	413	6	,	,	,
43297	413	7	the	the	DT
43297	413	8	percentage	percentage	NN
43297	413	9	of	of	IN
43297	413	10	silica	silica	NN
43297	413	11	ranging	range	VBG
43297	413	12	from	from	IN
43297	413	13	50	50	CD
43297	413	14	per	per	NN
43297	413	15	cent	cent	NN
43297	413	16	.	.	.
43297	413	17	,	,	,
43297	413	18	or	or	CC
43297	413	19	less	less	RBR
43297	413	20	,	,	,
43297	413	21	to	to	IN
43297	413	22	as	as	RB
43297	413	23	high	high	JJ
43297	413	24	as	as	IN
43297	413	25	97	97	CD
43297	413	26	per	per	NN
43297	413	27	cent	cent	NN
43297	413	28	.	.	.
43297	414	1	The	the	DT
43297	414	2	mode	mode	NN
43297	414	3	of	of	IN
43297	414	4	formation	formation	NN
43297	414	5	of	of	IN
43297	414	6	the	the	DT
43297	414	7	underclays	underclay	NNS
43297	414	8	is	be	VBZ
43297	414	9	not	not	RB
43297	414	10	certainly	certainly	RB
43297	414	11	known	know	VBN
43297	414	12	.	.	.
43297	415	1	They	-PRON-	PRP
43297	415	2	do	do	VBP
43297	415	3	not	not	RB
43297	415	4	appear	appear	VB
43297	415	5	to	to	TO
43297	415	6	be	be	VB
43297	415	7	soils	soil	NNS
43297	415	8	or	or	CC
43297	415	9	of	of	IN
43297	415	10	terrestrial	terrestrial	JJ
43297	415	11	origin	origin	NN
43297	415	12	,	,	,
43297	415	13	but	but	CC
43297	415	14	according	accord	VBG
43297	415	15	to	to	IN
43297	415	16	Arber	Arber	NNP
43297	415	17	(	(	-LRB-
43297	415	18	24	24	CD
43297	415	19	)	)	-RRB-
43297	415	20	correspond	correspond	VBP
43297	415	21	closely	closely	RB
43297	415	22	to	to	IN
43297	415	23	the	the	DT
43297	415	24	black	black	JJ
43297	415	25	oozes	ooze	NNS
43297	415	26	of	of	IN
43297	415	27	marine	marine	JJ
43297	415	28	and	and	CC
43297	415	29	semi	semi	JJ
43297	415	30	-	-	JJ
43297	415	31	marine	marine	JJ
43297	415	32	estuarine	estuarine	NN
43297	415	33	deposits	deposit	NNS
43297	415	34	of	of	IN
43297	415	35	tropical	tropical	JJ
43297	415	36	swamps	swamp	NNS
43297	415	37	,	,	,
43297	415	38	or	or	CC
43297	415	39	to	to	IN
43297	415	40	the	the	DT
43297	415	41	muds	mud	NNS
43297	415	42	surrounding	surround	VBG
43297	415	43	the	the	DT
43297	415	44	stumps	stump	NNS
43297	415	45	of	of	IN
43297	415	46	trees	tree	NNS
43297	415	47	in	in	IN
43297	415	48	the	the	DT
43297	415	49	buried	bury	VBN
43297	415	50	forests	forest	NNS
43297	415	51	of	of	IN
43297	415	52	our	-PRON-	PRP$
43297	415	53	coast	coast	NN
43297	415	54	-	-	HYPH
43297	415	55	lines	line	NNS
43297	415	56	.	.	.
43297	416	1	They	-PRON-	PRP
43297	416	2	thus	thus	RB
43297	416	3	appear	appear	VBP
43297	416	4	to	to	TO
43297	416	5	be	be	VB
43297	416	6	quite	quite	RB
43297	416	7	distinct	distinct	JJ
43297	416	8	from	from	IN
43297	416	9	the	the	DT
43297	416	10	shales	shale	NNS
43297	416	11	above	above	IN
43297	416	12	them	-PRON-	PRP
43297	416	13	,	,	,
43297	416	14	both	both	CC
43297	416	15	in	in	IN
43297	416	16	origin	origin	NN
43297	416	17	and	and	CC
43297	416	18	physical	physical	JJ
43297	416	19	characters	character	NNS
43297	416	20	.	.	.
43297	417	1	The	the	DT
43297	417	2	more	more	RBR
43297	417	3	silicious	silicious	JJ
43297	417	4	portions	portion	NNS
43297	417	5	,	,	,
43297	417	6	known	know	VBN
43297	417	7	as	as	IN
43297	417	8	_	_	NNP
43297	417	9	Ganister_[9	Ganister_[9	NNP
43297	417	10	]	]	-RRB-
43297	417	11	,	,	,
43297	417	12	possess	possess	VBP
43297	417	13	comparatively	comparatively	RB
43297	417	14	few	few	JJ
43297	417	15	of	of	IN
43297	417	16	the	the	DT
43297	417	17	characteristics	characteristic	NNS
43297	417	18	of	of	IN
43297	417	19	clay	clay	NN
43297	417	20	though	though	IN
43297	417	21	used	use	VBN
43297	417	22	,	,	,
43297	417	23	like	like	IN
43297	417	24	all	all	PDT
43297	417	25	the	the	DT
43297	417	26	more	more	RBR
43297	417	27	refractory	refractory	JJ
43297	417	28	clays	clay	NNS
43297	417	29	of	of	IN
43297	417	30	the	the	DT
43297	417	31	Coal	Coal	NNP
43297	417	32	Measures	Measures	NNPS
43297	417	33	,	,	,
43297	417	34	for	for	IN
43297	417	35	all	all	DT
43297	417	36	purposes	purpose	NNS
43297	417	37	for	for	IN
43297	417	38	which	which	WDT
43297	417	39	fireclay	fireclay	NN
43297	417	40	is	be	VBZ
43297	417	41	employed	employ	VBN
43297	417	42	.	.	.
43297	418	1	The	the	DT
43297	418	2	term	term	NN
43297	418	3	_	_	NNP
43297	418	4	fireclay	fireclay	NN
43297	418	5	_	_	NNP
43297	418	6	is	be	VBZ
43297	418	7	,	,	,
43297	418	8	in	in	IN
43297	418	9	fact	fact	NN
43297	418	10	,	,	,
43297	418	11	frequently	frequently	RB
43297	418	12	applied	apply	VBD
43297	418	13	to	to	IN
43297	418	14	all	all	PDT
43297	418	15	the	the	DT
43297	418	16	refractory	refractory	JJ
43297	418	17	deposits	deposit	NNS
43297	418	18	in	in	IN
43297	418	19	the	the	DT
43297	418	20	Coal	Coal	NNP
43297	418	21	Measures	Measures	NNPS
43297	418	22	,	,	,
43297	418	23	without	without	IN
43297	418	24	much	much	JJ
43297	418	25	regard	regard	NN
43297	418	26	to	to	IN
43297	418	27	their	-PRON-	PRP$
43297	418	28	composition	composition	NN
43297	418	29	(	(	-LRB-
43297	418	30	see	see	VB
43297	418	31	Chapter	chapter	NN
43297	418	32	V	V	NNP
43297	418	33	)	)	-RRB-
43297	418	34	.	.	.
43297	419	1	[	[	-LRB-
43297	419	2	Footnote	footnote	NN
43297	419	3	9	9	CD
43297	419	4	:	:	:
43297	419	5	The	the	DT
43297	419	6	Dinas	Dinas	NNP
43297	419	7	rock	rock	NN
43297	419	8	used	use	VBN
43297	419	9	in	in	IN
43297	419	10	the	the	DT
43297	419	11	Vale	Vale	NNP
43297	419	12	of	of	IN
43297	419	13	Neath	Neath	NNP
43297	419	14	(	(	-LRB-
43297	419	15	Wales	Wales	NNP
43297	419	16	)	)	-RRB-
43297	419	17	is	be	VBZ
43297	419	18	an	an	DT
43297	419	19	even	even	RB
43297	419	20	more	more	RBR
43297	419	21	silicious	silicious	JJ
43297	419	22	material	material	NN
43297	419	23	found	find	VBN
43297	419	24	in	in	IN
43297	419	25	the	the	DT
43297	419	26	Millstone	Millstone	NNP
43297	419	27	Grit	Grit	NNP
43297	419	28	immediately	immediately	RB
43297	419	29	below	below	IN
43297	419	30	the	the	DT
43297	419	31	Coal	Coal	NNP
43297	419	32	Measures	Measures	NNPS
43297	419	33	.	.	.
43297	420	1	It	-PRON-	PRP
43297	420	2	is	be	VBZ
43297	420	3	largely	largely	RB
43297	420	4	employed	employ	VBN
43297	420	5	for	for	IN
43297	420	6	firebricks	firebrick	NNS
43297	420	7	.	.	.
43297	420	8	]	]	-RRB-
43297	421	1	Valuable	Valuable	NNP
43297	421	2	Coal	Coal	NNP
43297	421	3	Measure	Measure	NNP
43297	421	4	clays	clay	NNS
43297	421	5	occur	occur	VBP
43297	421	6	in	in	IN
43297	421	7	enormous	enormous	JJ
43297	421	8	quantities	quantity	NNS
43297	421	9	in	in	IN
43297	421	10	Northumberland	Northumberland	NNP
43297	421	11	,	,	,
43297	421	12	Durham	Durham	NNP
43297	421	13	,	,	,
43297	421	14	Yorkshire	Yorkshire	NNP
43297	421	15	,	,	,
43297	421	16	Nottinghamshire	Nottinghamshire	NNP
43297	421	17	,	,	,
43297	421	18	Derbyshire	Derbyshire	NNP
43297	421	19	,	,	,
43297	421	20	Staffordshire	Staffordshire	NNP
43297	421	21	,	,	,
43297	421	22	near	near	IN
43297	421	23	Stourbridge	Stourbridge	NNP
43297	421	24	,	,	,
43297	421	25	in	in	IN
43297	421	26	Warwickshire	Warwickshire	NNP
43297	421	27	,	,	,
43297	421	28	Shropshire	Shropshire	NNP
43297	421	29	,	,	,
43297	421	30	North	North	NNP
43297	421	31	and	and	CC
43297	421	32	South	South	NNP
43297	421	33	Wales	Wales	NNP
43297	421	34	and	and	CC
43297	421	35	South	South	NNP
43297	421	36	West	West	NNP
43297	421	37	Scotland	Scotland	NNP
43297	421	38	.	.	.
43297	422	1	In	in	IN
43297	422	2	Ireland	Ireland	NNP
43297	422	3	,	,	,
43297	422	4	on	on	IN
43297	422	5	the	the	DT
43297	422	6	contrary	contrary	NN
43297	422	7	,	,	,
43297	422	8	the	the	DT
43297	422	9	Coal	Coal	NNP
43297	422	10	Measure	Measure	NNP
43297	422	11	clays	clay	NNS
43297	422	12	are	be	VBP
43297	422	13	of	of	IN
43297	422	14	little	little	JJ
43297	422	15	value	value	NN
43297	422	16	except	except	IN
43297	422	17	in	in	IN
43297	422	18	the	the	DT
43297	422	19	neighbourhood	neighbourhood	NN
43297	422	20	of	of	IN
43297	422	21	Coal	Coal	NNP
43297	422	22	Island	Island	NNP
43297	422	23	,	,	,
43297	422	24	co.	co.	NNP
43297	422	25	Tyrone	Tyrone	NNP
43297	422	26	.	.	.
43297	423	1	The	the	DT
43297	423	2	position	position	NN
43297	423	3	of	of	IN
43297	423	4	the	the	DT
43297	423	5	'	'	``
43297	423	6	Sagger	Sagger	NNP
43297	423	7	Marls	Marls	NNP
43297	423	8	'	'	''
43297	423	9	of	of	IN
43297	423	10	North	North	NNP
43297	423	11	Staffordshire	Staffordshire	NNP
43297	423	12	(	(	-LRB-
43297	423	13	Keele	Keele	NNP
43297	423	14	Series	Series	NNP
43297	423	15	and	and	CC
43297	423	16	Etruria	Etruria	NNP
43297	423	17	Marls	Marls	NNP
43297	423	18	)	)	-RRB-
43297	423	19	,	,	,
43297	423	20	relative	relative	JJ
43297	423	21	to	to	IN
43297	423	22	the	the	DT
43297	423	23	'	'	``
43297	423	24	Farewell	Farewell	NNP
43297	423	25	Rock	Rock	NNP
43297	423	26	'	'	''
43297	423	27	or	or	CC
43297	423	28	Millstone	Millstone	NNP
43297	423	29	Grit	Grit	NNP
43297	423	30	,	,	,
43297	423	31	is	be	VBZ
43297	423	32	shown	show	VBN
43297	423	33	in	in	IN
43297	423	34	fig	fig	NN
43297	423	35	.	.	.
43297	424	1	8	8	CD
43297	424	2	in	in	IN
43297	424	3	which	which	WDT
43297	424	4	the	the	DT
43297	424	5	horizontal	horizontal	JJ
43297	424	6	lines	line	NNS
43297	424	7	represent	represent	VBP
43297	424	8	coal	coal	NN
43297	424	9	-	-	HYPH
43297	424	10	seams	seam	NNS
43297	424	11	and	and	CC
43297	424	12	ironstone	ironstone	NN
43297	424	13	veins	vein	NNS
43297	424	14	.	.	.
43297	425	1	[	[	-LRB-
43297	425	2	Illustration	illustration	NN
43297	425	3	:	:	:
43297	425	4	+	+	CC
43297	425	5	---------------------+	---------------------+	NNP
43297	425	6	|	|	NNP
43297	425	7	_	_	NNP
43297	425	8	Keele	Keele	NNP
43297	425	9	Series	Series	NNP
43297	425	10	_	_	NNP
43297	425	11	|	|	NNP
43297	425	12	|	|	NNP
43297	425	13	|	|	CD
43297	425	14	+	+	CC
43297	425	15	---------------------+	---------------------+	NN
43297	425	16	Newcastle	Newcastle	NNP
43297	425	17	|	|	NNP
43297	425	18	|	|	NNP
43297	425	19	+	+	CC
43297	425	20	---------------------+	---------------------+	NNP
43297	425	21	Coal	Coal	NNP
43297	425	22	|	|	NNP
43297	425	23	|	|	NNP
43297	425	24	|	|	NNP
43297	425	25	|	|	CD
43297	425	26	|	|	NNP
43297	425	27	_	_	NNP
43297	425	28	Etruria	Etruria	NNP
43297	425	29	|	|	NNP
43297	425	30	|	|	NNP
43297	425	31	Marls	Marls	NNP
43297	425	32	_	_	NNP
43297	425	33	|	|	NNP
43297	425	34	|	|	NNP
43297	425	35	|	|	NNP
43297	425	36	Top	Top	NNP
43297	425	37	Red	Red	NNP
43297	425	38	Mine	Mine	NNP
43297	425	39	+	+	CC
43297	425	40	---------------------+	---------------------+	NNP
43297	425	41	|	|	NNP
43297	425	42	|	|	NNP
43297	425	43	|	|	NNP
43297	425	44	|	|	NNP
43297	425	45	Gubbin	Gubbin	NNP
43297	425	46	Ironstone	Ironstone	NNP
43297	425	47	+	+	SYM
43297	425	48	---------------------+	---------------------+	NNP
43297	425	49	|	|	NNP
43297	425	50	|	|	NNP
43297	425	51	|	|	CD
43297	425	52	|	|	CD
43297	425	53	|	|	CD
43297	425	54	|	|	CD
43297	425	55	|	|	CD
43297	425	56	|	|	CD
43297	425	57	+	+	NNS
43297	425	58	---------------------+	---------------------+	NN
43297	425	59	Knowles	Knowles	NNP
43297	425	60	Coal	Coal	NNP
43297	425	61	|	|	NNP
43297	425	62	|	|	NNP
43297	425	63	|	|	CD
43297	425	64	|	|	CD
43297	425	65	Burnwood	Burnwood	NNP
43297	425	66	Ironstone	ironstone	NN
43297	425	67	+	+	SYM
43297	425	68	---------------------+	---------------------+	NNP
43297	425	69	|	|	NNP
43297	425	70	|	|	NNP
43297	425	71	|	|	CD
43297	425	72	|	|	CD
43297	425	73	+	+	CC
43297	425	74	---------------------+	---------------------+	:
43297	425	75	Mossfield	Mossfield	NNP
43297	425	76	Coal	Coal	NNP
43297	425	77	+	+	SYM
43297	425	78	---------------------+	---------------------+	NN
43297	425	79	5	5	CD
43297	425	80	ft	ft	NN
43297	425	81	.	.	.
43297	425	82	Coal	Coal	NNP
43297	425	83	|	|	NNP
43297	425	84	|	|	NNP
43297	425	85	|	|	CD
43297	425	86	|	|	CD
43297	425	87	|	|	CD
43297	425	88	|	|	CD
43297	425	89	|	|	CD
43297	425	90	|	|	CD
43297	425	91	+	+	CC
43297	425	92	---------------------+	---------------------+	.
43297	425	93	Hard	hard	JJ
43297	425	94	mine	mine	NN
43297	425	95	Coal	Coal	NNP
43297	425	96	|	|	NNP
43297	425	97	|	|	NNP
43297	425	98	|	|	CD
43297	425	99	|	|	CD
43297	425	100	+	+	CC
43297	425	101	---------------------+	---------------------+	NN
43297	425	102	Cockshead	Cockshead	NNP
43297	425	103	Coal	Coal	NNP
43297	425	104	|	|	NNP
43297	425	105	|	|	NNP
43297	425	106	|	|	CD
43297	425	107	|	|	CD
43297	425	108	+	+	CC
43297	425	109	---------------------+	---------------------+	NN
43297	425	110	Crabtree	Crabtree	NNP
43297	425	111	Coal	Coal	NNP
43297	425	112	+	+	SYM
43297	425	113	---------------------+	---------------------+	NNP
43297	425	114	|	|	NNP
43297	425	115	_	_	NNP
43297	425	116	Millstone	Millstone	NNP
43297	425	117	Grit	Grit	NNP
43297	425	118	_	_	NNP
43297	425	119	|	|	NNP
43297	425	120	|	|	NNP
43297	425	121	|	|	CD
43297	425	122	+	+	CC
43297	425	123	---------------------+	---------------------+	NN
43297	425	124	Fig	fig	NN
43297	425	125	.	.	.
43297	426	1	8	8	LS
43297	426	2	.	.	.
43297	427	1	Coal	coal	NN
43297	427	2	Measures	measure	NNS
43297	427	3	sequence	sequence	NN
43297	427	4	in	in	IN
43297	427	5	North	North	NNP
43297	427	6	Staffordshire	Staffordshire	NNP
43297	427	7	.	.	.
43297	427	8	]	]	-RRB-
43297	428	1	The	the	DT
43297	428	2	dissimilarities	dissimilarity	NNS
43297	428	3	in	in	IN
43297	428	4	the	the	DT
43297	428	5	fossils	fossil	NNS
43297	428	6	of	of	IN
43297	428	7	the	the	DT
43297	428	8	Coal	Coal	NNP
43297	428	9	Measure	Measure	NNP
43297	428	10	clays	clay	NNS
43297	428	11	and	and	CC
43297	428	12	shales	shale	NNS
43297	428	13	in	in	IN
43297	428	14	the	the	DT
43297	428	15	Northern	northern	JJ
43297	428	16	and	and	CC
43297	428	17	Southern	Southern	NNP
43297	428	18	Hemispheres	hemisphere	NNS
43297	428	19	suggest	suggest	VBP
43297	428	20	that	that	IN
43297	428	21	there	there	EX
43297	428	22	is	be	VBZ
43297	428	23	a	a	DT
43297	428	24	considerable	considerable	JJ
43297	428	25	difference	difference	NN
43297	428	26	in	in	IN
43297	428	27	their	-PRON-	PRP$
43297	428	28	formation	formation	NN
43297	428	29	,	,	,
43297	428	30	but	but	CC
43297	428	31	the	the	DT
43297	428	32	number	number	NN
43297	428	33	of	of	IN
43297	428	34	clays	clay	NNS
43297	428	35	and	and	CC
43297	428	36	shales	shale	NNS
43297	428	37	which	which	WDT
43297	428	38	have	have	VBP
43297	428	39	been	be	VBN
43297	428	40	examined	examine	VBN
43297	428	41	is	be	VBZ
43297	428	42	too	too	RB
43297	428	43	small	small	JJ
43297	428	44	for	for	IN
43297	428	45	any	any	DT
43297	428	46	accurate	accurate	JJ
43297	428	47	conclusion	conclusion	NN
43297	428	48	to	to	TO
43297	428	49	be	be	VB
43297	428	50	drawn	draw	VBN
43297	428	51	.	.	.
43297	429	1	For	for	IN
43297	429	2	many	many	JJ
43297	429	3	industrial	industrial	JJ
43297	429	4	purposes	purpose	NNS
43297	429	5	,	,	,
43297	429	6	particularly	particularly	RB
43297	429	7	for	for	IN
43297	429	8	the	the	DT
43297	429	9	manufacture	manufacture	NN
43297	429	10	of	of	IN
43297	429	11	refractory	refractory	JJ
43297	429	12	goods	good	NNS
43297	429	13	,	,	,
43297	429	14	the	the	DT
43297	429	15	clays	clay	NNS
43297	429	16	and	and	CC
43297	429	17	shales	shale	NNS
43297	429	18	of	of	IN
43297	429	19	the	the	DT
43297	429	20	Carboniferous	Carboniferous	NNP
43297	429	21	System	System	NNP
43297	429	22	are	be	VBP
43297	429	23	highly	highly	RB
43297	429	24	important	important	JJ
43297	429	25	.	.	.
43297	430	1	The	the	DT
43297	430	2	less	less	RBR
43297	430	3	valuable	valuable	JJ
43297	430	4	burn	burn	NN
43297	430	5	to	to	IN
43297	430	6	a	a	DT
43297	430	7	reddish	reddish	JJ
43297	430	8	colour	colour	NN
43297	430	9	,	,	,
43297	430	10	often	often	RB
43297	430	11	spoiled	spoil	VBD
43297	430	12	with	with	IN
43297	430	13	many	many	JJ
43297	430	14	grey	grey	JJ
43297	430	15	spots	spot	NNS
43297	430	16	of	of	IN
43297	430	17	ferrous	ferrous	JJ
43297	430	18	silicate	silicate	NN
43297	430	19	derived	derive	VBN
43297	430	20	from	from	IN
43297	430	21	the	the	DT
43297	430	22	pyrites	pyrite	NNS
43297	430	23	in	in	IN
43297	430	24	the	the	DT
43297	430	25	clay	clay	NN
43297	430	26	,	,	,
43297	430	27	but	but	CC
43297	430	28	the	the	DT
43297	430	29	purer	purer	NN
43297	430	30	varieties	variety	NNS
43297	430	31	burn	burn	VBP
43297	430	32	to	to	IN
43297	430	33	a	a	DT
43297	430	34	delicate	delicate	JJ
43297	430	35	primrose	primrose	NN
43297	430	36	or	or	CC
43297	430	37	pale	pale	JJ
43297	430	38	buff	buff	NN
43297	430	39	tint	tint	NN
43297	430	40	and	and	CC
43297	430	41	are	be	VBP
43297	430	42	amongst	amongst	IN
43297	430	43	the	the	DT
43297	430	44	most	most	JJS
43297	430	45	heat	heat	NN
43297	430	46	-	-	HYPH
43297	430	47	resisting	resist	VBG
43297	430	48	materials	material	NNS
43297	430	49	known	know	VBN
43297	430	50	.	.	.
43297	431	1	The	the	DT
43297	431	2	Coal	Coal	NNP
43297	431	3	Measure	measure	NN
43297	431	4	clays	clay	NNS
43297	431	5	of	of	IN
43297	431	6	Yorkshire	Yorkshire	NNP
43297	431	7	are	be	VBP
43297	431	8	particularly	particularly	RB
43297	431	9	esteemed	esteemed	JJ
43297	431	10	for	for	IN
43297	431	11	their	-PRON-	PRP$
43297	431	12	refractory	refractory	JJ
43297	431	13	properties	property	NNS
43297	431	14	;	;	,
43297	431	15	for	for	IN
43297	431	16	the	the	DT
43297	431	17	manufacture	manufacture	NN
43297	431	18	of	of	IN
43297	431	19	glazed	glazed	JJ
43297	431	20	bricks	brick	NNS
43297	431	21	and	and	CC
43297	431	22	for	for	IN
43297	431	23	blocks	block	NNS
43297	431	24	for	for	IN
43297	431	25	architectural	architectural	JJ
43297	431	26	purposes	purpose	NNS
43297	431	27	somewhat	somewhat	RB
43297	431	28	ambiguously	ambiguously	RB
43297	431	29	termed	term	VBD
43297	431	30	'	'	''
43297	431	31	glazed	glaze	VBN
43297	431	32	terra	terra	NNP
43297	431	33	-	-	HYPH
43297	431	34	cotta	cotta	NNP
43297	431	35	.	.	.
43297	431	36	'	'	''
43297	432	1	The	the	DT
43297	432	2	inferior	inferior	JJ
43297	432	3	qualities	quality	NNS
43297	432	4	are	be	VBP
43297	432	5	largely	largely	RB
43297	432	6	used	use	VBN
43297	432	7	for	for	IN
43297	432	8	the	the	DT
43297	432	9	manufacture	manufacture	NN
43297	432	10	of	of	IN
43297	432	11	red	red	JJ
43297	432	12	engineering	engineering	NN
43297	432	13	bricks	brick	NNS
43297	432	14	,	,	,
43297	432	15	some	some	DT
43297	432	16	of	of	IN
43297	432	17	them	-PRON-	PRP
43297	432	18	competing	compete	VBG
43297	432	19	successfully	successfully	RB
43297	432	20	with	with	IN
43297	432	21	the	the	DT
43297	432	22	more	more	RBR
43297	432	23	widely	widely	RB
43297	432	24	known	know	VBN
43297	432	25	'	'	''
43297	432	26	blue	blue	JJ
43297	432	27	bricks	brick	NNS
43297	432	28	'	'	''
43297	432	29	of	of	IN
43297	432	30	Staffordshire	Staffordshire	NNP
43297	432	31	.	.	.
43297	433	1	The	the	DT
43297	433	2	Coal	Coal	NNP
43297	433	3	Measure	measure	NN
43297	433	4	clays	clay	NNS
43297	433	5	of	of	IN
43297	433	6	Shropshire	Shropshire	NNP
43297	433	7	are	be	VBP
43297	433	8	noted	note	VBN
43297	433	9	for	for	IN
43297	433	10	the	the	DT
43297	433	11	manufacture	manufacture	NN
43297	433	12	of	of	IN
43297	433	13	red	red	JJ
43297	433	14	roofing	roofing	NN
43297	433	15	tiles	tile	NNS
43297	433	16	,	,	,
43297	433	17	especially	especially	RB
43297	433	18	in	in	IN
43297	433	19	the	the	DT
43297	433	20	neighbourhood	neighbourhood	NN
43297	433	21	of	of	IN
43297	433	22	Broseley	Broseley	NNP
43297	433	23	.	.	.
43297	434	1	Agriculturally	agriculturally	RB
43297	434	2	,	,	,
43297	434	3	the	the	DT
43297	434	4	Coal	Coal	NNP
43297	434	5	Measure	Measure	NNP
43297	434	6	clays	clay	NNS
43297	434	7	are	be	VBP
43297	434	8	usually	usually	RB
43297	434	9	poor	poor	JJ
43297	434	10	,	,	,
43297	434	11	but	but	CC
43297	434	12	are	be	VBP
43297	434	13	occasionally	occasionally	RB
43297	434	14	of	of	IN
43297	434	15	good	good	JJ
43297	434	16	quality	quality	NN
43297	434	17	.	.	.
43297	435	1	The	the	DT
43297	435	2	shales	shale	NNS
43297	435	3	produce	produce	VBP
43297	435	4	heavy	heavy	JJ
43297	435	5	,	,	,
43297	435	6	cold	cold	JJ
43297	435	7	clays	clay	NNS
43297	435	8	and	and	CC
43297	435	9	the	the	DT
43297	435	10	yellow	yellow	JJ
43297	435	11	subsoil	subsoil	NN
43297	435	12	produces	produce	VBZ
43297	435	13	soils	soil	NNS
43297	435	14	of	of	IN
43297	435	15	a	a	DT
43297	435	16	light	light	JJ
43297	435	17	,	,	,
43297	435	18	hungry	hungry	JJ
43297	435	19	character	character	NN
43297	435	20	so	so	IN
43297	435	21	that	that	IN
43297	435	22	the	the	DT
43297	435	23	two	two	CD
43297	435	24	should	should	MD
43297	435	25	,	,	,
43297	435	26	if	if	IN
43297	435	27	possible	possible	JJ
43297	435	28	,	,	,
43297	435	29	be	be	VB
43297	435	30	mixed	mix	VBN
43297	435	31	together	together	RB
43297	435	32	.	.	.
43297	436	1	=	=	NFP
43297	436	2	Permian	permian	JJ
43297	436	3	clays=	clays=	NN
43297	436	4	are	be	VBP
43297	436	5	of	of	IN
43297	436	6	little	little	JJ
43297	436	7	value	value	NN
43297	436	8	except	except	IN
43297	436	9	for	for	IN
43297	436	10	the	the	DT
43297	436	11	manufacture	manufacture	NN
43297	436	12	of	of	IN
43297	436	13	red	red	JJ
43297	436	14	building	building	NN
43297	436	15	bricks	brick	NNS
43297	436	16	.	.	.
43297	437	1	The	the	DT
43297	437	2	Nottinghamshire	Nottinghamshire	NNP
43297	437	3	Permian	permian	JJ
43297	437	4	clays	clay	NNS
43297	437	5	make	make	VBP
43297	437	6	excellent	excellent	JJ
43297	437	7	roofing	roofing	NN
43297	437	8	tiles	tile	NNS
43297	437	9	,	,	,
43297	437	10	flower	flower	NN
43297	437	11	pots	pot	NNS
43297	437	12	and	and	CC
43297	437	13	red	red	JJ
43297	437	14	bricks	brick	NNS
43297	437	15	.	.	.
43297	438	1	Agriculturally	agriculturally	RB
43297	438	2	,	,	,
43297	438	3	the	the	DT
43297	438	4	Permian	permian	JJ
43297	438	5	clays	clay	NNS
43297	438	6	are	be	VBP
43297	438	7	a	a	DT
43297	438	8	free	free	JJ
43297	438	9	working	work	VBG
43297	438	10	loam	loam	NN
43297	438	11	yielding	yield	VBG
43297	438	12	large	large	JJ
43297	438	13	crops	crop	NNS
43297	438	14	of	of	IN
43297	438	15	most	most	JJS
43297	438	16	of	of	IN
43297	438	17	the	the	DT
43297	438	18	ordinary	ordinary	JJ
43297	438	19	farm	farm	NN
43297	438	20	products	product	NNS
43297	438	21	.	.	.
43297	439	1	=	=	NFP
43297	439	2	Triassic	triassic	NN
43297	439	3	clays=	clays=	NN
43297	439	4	are	be	VBP
43297	439	5	of	of	IN
43297	439	6	great	great	JJ
43297	439	7	importance	importance	NN
43297	439	8	in	in	IN
43297	439	9	the	the	DT
43297	439	10	Midlands	midland	NNS
43297	439	11	,	,	,
43297	439	12	those	those	DT
43297	439	13	upper	upper	JJ
43297	439	14	portions	portion	NNS
43297	439	15	of	of	IN
43297	439	16	them	-PRON-	PRP
43297	439	17	known	know	VBN
43297	439	18	as	as	IN
43297	439	19	the	the	DT
43297	439	20	Keuper	Keuper	NNP
43297	439	21	Marls	Marls	NNP
43297	439	22	being	be	VBG
43297	439	23	much	much	RB
43297	439	24	used	use	VBN
43297	439	25	for	for	IN
43297	439	26	the	the	DT
43297	439	27	manufacture	manufacture	NN
43297	439	28	of	of	IN
43297	439	29	bricks	brick	NNS
43297	439	30	.	.	.
43297	440	1	They	-PRON-	PRP
43297	440	2	are	be	VBP
43297	440	3	specially	specially	RB
43297	440	4	known	know	VBN
43297	440	5	amongst	amongst	IN
43297	440	6	clayworkers	clayworker	NNS
43297	440	7	as	as	IN
43297	440	8	the	the	DT
43297	440	9	material	material	NN
43297	440	10	from	from	IN
43297	440	11	which	which	WDT
43297	440	12	the	the	DT
43297	440	13	Midland	Midland	NNP
43297	440	14	red	red	JJ
43297	440	15	bricks	brick	NNS
43297	440	16	of	of	IN
43297	440	17	Nottinghamshire	Nottinghamshire	NNP
43297	440	18	and	and	CC
43297	440	19	Leicestershire	Leicestershire	NNP
43297	440	20	and	and	CC
43297	440	21	the	the	DT
43297	440	22	Somersetshire	Somersetshire	NNP
43297	440	23	tiles	tile	NNS
43297	440	24	are	be	VBP
43297	440	25	prepared	prepare	VBN
43297	440	26	.	.	.
43297	441	1	=	=	NFP
43297	441	2	Jurassic	Jurassic	NNP
43297	441	3	clays=	clays=	NN
43297	441	4	are	be	VBP
43297	441	5	an	an	DT
43297	441	6	important	important	JJ
43297	441	7	group	group	NN
43297	441	8	,	,	,
43297	441	9	of	of	IN
43297	441	10	marine	marine	JJ
43297	441	11	origin	origin	NN
43297	441	12	,	,	,
43297	441	13	occurring	occur	VBG
43297	441	14	in	in	IN
43297	441	15	close	close	JJ
43297	441	16	association	association	NN
43297	441	17	with	with	IN
43297	441	18	limestone	limestone	NN
43297	441	19	.	.	.
43297	442	1	For	for	IN
43297	442	2	this	this	DT
43297	442	3	reason	reason	NN
43297	442	4	they	-PRON-	PRP
43297	442	5	form	form	VBP
43297	442	6	a	a	DT
43297	442	7	valuable	valuable	JJ
43297	442	8	source	source	NN
43297	442	9	of	of	IN
43297	442	10	material	material	NN
43297	442	11	for	for	IN
43297	442	12	the	the	DT
43297	442	13	manufacture	manufacture	NN
43297	442	14	of	of	IN
43297	442	15	Portland	Portland	NNP
43297	442	16	cement	cement	NN
43297	442	17	,	,	,
43297	442	18	but	but	CC
43297	442	19	are	be	VBP
43297	442	20	of	of	IN
43297	442	21	less	less	JJR
43297	442	22	value	value	NN
43297	442	23	to	to	IN
43297	442	24	the	the	DT
43297	442	25	brick	brick	NN
43297	442	26	and	and	CC
43297	442	27	tile	tile	NN
43297	442	28	manufacturer	manufacturer	NN
43297	442	29	.	.	.
43297	443	1	The	the	DT
43297	443	2	Jurassic	Jurassic	NNP
43297	443	3	System	System	NNP
43297	443	4	contains	contain	VBZ
43297	443	5	so	so	RB
43297	443	6	large	large	JJ
43297	443	7	a	a	DT
43297	443	8	variety	variety	NN
43297	443	9	of	of	IN
43297	443	10	clays	clay	NNS
43297	443	11	,	,	,
43297	443	12	of	of	IN
43297	443	13	such	such	JJ
43297	443	14	widely	widely	RB
43297	443	15	different	different	JJ
43297	443	16	ages	age	NNS
43297	443	17	and	and	CC
43297	443	18	characteristics	characteristic	NNS
43297	443	19	,	,	,
43297	443	20	that	that	IN
43297	443	21	no	no	DT
43297	443	22	general	general	JJ
43297	443	23	description	description	NN
43297	443	24	of	of	IN
43297	443	25	them	-PRON-	PRP
43297	443	26	can	can	MD
43297	443	27	be	be	VB
43297	443	28	given	give	VBN
43297	443	29	in	in	IN
43297	443	30	the	the	DT
43297	443	31	present	present	JJ
43297	443	32	volume	volume	NN
43297	443	33	.	.	.
43297	444	1	[	[	-LRB-
43297	444	2	Illustration	illustration	NN
43297	444	3	:	:	:
43297	444	4	Fig	Fig	NNP
43297	444	5	.	.	.
43297	445	1	9	9	CD
43297	445	2	.	.	.
43297	446	1	Lias	lia	NNS
43297	446	2	clay	clay	NN
43297	446	3	being	be	VBG
43297	446	4	worked	work	VBN
43297	446	5	for	for	IN
43297	446	6	the	the	DT
43297	446	7	manufacture	manufacture	NN
43297	446	8	of	of	IN
43297	446	9	hand	hand	NN
43297	446	10	-	-	HYPH
43297	446	11	made	make	VBN
43297	446	12	sand	sand	NN
43297	446	13	-	-	HYPH
43297	446	14	faced	face	VBN
43297	446	15	roofing	roofing	NN
43297	446	16	tiles	tile	NNS
43297	446	17	.	.	.
43297	447	1	(	(	-LRB-
43297	447	2	_	_	NNP
43297	447	3	By	by	IN
43297	447	4	courtesy	courtesy	NN
43297	447	5	of	of	IN
43297	447	6	Messrs	Messrs	NNP
43297	447	7	Webb	Webb	NNP
43297	447	8	Bros.	Bros.	NNPS
43297	447	9	Ltd.	Ltd.	NNP
43297	447	10	,	,	,
43297	447	11	Cheltenham	Cheltenham	NNP
43297	447	12	.	.	.
43297	447	13	_	_	NNP
43297	447	14	)	)	-RRB-
43297	447	15	]	]	-RRB-
43297	447	16	The	the	DT
43297	447	17	'	'	``
43297	447	18	_	_	NNP
43297	447	19	Lias	Lias	NNP
43297	447	20	clays_'--the	clays_'--the	NN
43297	447	21	lowest	low	JJS
43297	447	22	of	of	IN
43297	447	23	the	the	DT
43297	447	24	Jurassic	Jurassic	NNP
43297	447	25	formation	formation	NN
43297	447	26	--	--	:
43297	447	27	are	be	VBP
43297	447	28	chiefly	chiefly	RB
43297	447	29	dark	dark	JJ
43297	447	30	,	,	,
43297	447	31	bituminous	bituminous	JJ
43297	447	32	shales	shale	NNS
43297	447	33	,	,	,
43297	447	34	including	include	VBG
43297	447	35	the	the	DT
43297	447	36	'	'	``
43297	447	37	alum	alum	NNP
43297	447	38	shales	shales	NNP
43297	447	39	,	,	,
43297	447	40	'	'	''
43297	447	41	and	and	CC
43297	447	42	are	be	VBP
43297	447	43	often	often	RB
43297	447	44	seriously	seriously	RB
43297	447	45	contaminated	contaminate	VBN
43297	447	46	with	with	IN
43297	447	47	pyrites	pyrite	NNS
43297	447	48	and	and	CC
43297	447	49	ironstone	ironstone	NN
43297	447	50	.	.	.
43297	448	1	When	when	WRB
43297	448	2	carefully	carefully	RB
43297	448	3	selected	select	VBN
43297	448	4	they	-PRON-	PRP
43297	448	5	may	may	MD
43297	448	6	be	be	VB
43297	448	7	used	use	VBN
43297	448	8	to	to	TO
43297	448	9	advantage	advantage	VB
43297	448	10	in	in	IN
43297	448	11	the	the	DT
43297	448	12	production	production	NN
43297	448	13	of	of	IN
43297	448	14	most	most	JJS
43297	448	15	red	red	JJ
43297	448	16	articles	article	NNS
43297	448	17	such	such	JJ
43297	448	18	as	as	IN
43297	448	19	bricks	brick	NNS
43297	448	20	,	,	,
43297	448	21	tiles	tile	NNS
43297	448	22	,	,	,
43297	448	23	chimney	chimney	NN
43297	448	24	pots	pot	NNS
43297	448	25	,	,	,
43297	448	26	etc	etc	FW
43297	448	27	.	.	.
43297	449	1	They	-PRON-	PRP
43297	449	2	shrink	shrink	VBP
43297	449	3	less	less	RBR
43297	449	4	in	in	IN
43297	449	5	the	the	DT
43297	449	6	kiln	kiln	NN
43297	449	7	than	than	IN
43297	449	8	do	do	VB
43297	449	9	most	most	JJS
43297	449	10	clays	clay	NNS
43297	449	11	,	,	,
43297	449	12	and	and	CC
43297	449	13	are	be	VBP
43297	449	14	easily	easily	RB
43297	449	15	fusible	fusible	JJ
43297	449	16	on	on	IN
43297	449	17	account	account	NN
43297	449	18	of	of	IN
43297	449	19	the	the	DT
43297	449	20	lime	lime	NN
43297	449	21	they	-PRON-	PRP
43297	449	22	contain	contain	VBP
43297	449	23	,	,	,
43297	449	24	but	but	CC
43297	449	25	on	on	IN
43297	449	26	the	the	DT
43297	449	27	whole	whole	NN
43297	449	28	this	this	DT
43297	449	29	formation	formation	NN
43297	449	30	is	be	VBZ
43297	449	31	of	of	IN
43297	449	32	great	great	JJ
43297	449	33	value	value	NN
43297	449	34	for	for	IN
43297	449	35	the	the	DT
43297	449	36	manufacture	manufacture	NN
43297	449	37	of	of	IN
43297	449	38	the	the	DT
43297	449	39	articles	article	NNS
43297	449	40	just	just	RB
43297	449	41	mentioned	mention	VBN
43297	449	42	.	.	.
43297	450	1	Agriculturally	agriculturally	RB
43297	450	2	,	,	,
43297	450	3	the	the	DT
43297	450	4	Lias	Lias	NNP
43297	450	5	clays	clay	NNS
43297	450	6	are	be	VBP
43297	450	7	laid	lay	VBN
43297	450	8	down	down	RP
43297	450	9	for	for	IN
43297	450	10	grass	grass	NN
43297	450	11	,	,	,
43297	450	12	but	but	CC
43297	450	13	the	the	DT
43297	450	14	lighter	light	JJR
43297	450	15	soils	soil	NNS
43297	450	16	are	be	VBP
43297	450	17	useful	useful	JJ
43297	450	18	for	for	IN
43297	450	19	arable	arable	JJ
43297	450	20	purposes	purpose	NNS
43297	450	21	.	.	.
43297	451	1	The	the	DT
43297	451	2	'	'	``
43297	451	3	_	_	NNP
43297	451	4	Oolitic	oolitic	JJ
43297	451	5	clays	clay	NNS
43297	451	6	_	_	NNP
43297	451	7	,	,	,
43297	451	8	'	'	''
43297	451	9	which	which	WDT
43297	451	10	are	be	VBP
43297	451	11	also	also	RB
43297	451	12	Jurassic	Jurassic	NNP
43297	451	13	,	,	,
43297	451	14	usually	usually	RB
43297	451	15	contain	contain	VBP
43297	451	16	limestone	limestone	NN
43297	451	17	in	in	IN
43297	451	18	the	the	DT
43297	451	19	form	form	NN
43297	451	20	of	of	IN
43297	451	21	nodules	nodule	NNS
43297	451	22	,	,	,
43297	451	23	but	but	CC
43297	451	24	are	be	VBP
43297	451	25	nevertheless	nevertheless	RB
43297	451	26	important	important	JJ
43297	451	27	.	.	.
43297	452	1	They	-PRON-	PRP
43297	452	2	form	form	VBP
43297	452	3	a	a	DT
43297	452	4	broad	broad	JJ
43297	452	5	belt	belt	NN
43297	452	6	above	above	IN
43297	452	7	the	the	DT
43297	452	8	Lias	Lias	NNPS
43297	452	9	from	from	IN
43297	452	10	Dorset	Dorset	NNP
43297	452	11	to	to	IN
43297	452	12	Yorkshire	Yorkshire	NNP
43297	452	13	,	,	,
43297	452	14	and	and	CC
43297	452	15	include	include	VBP
43297	452	16	the	the	DT
43297	452	17	blue	blue	JJ
43297	452	18	clays	clay	NNS
43297	452	19	of	of	IN
43297	452	20	the	the	DT
43297	452	21	Purbeck	Purbeck	NNP
43297	452	22	beds	bed	NNS
43297	452	23	,	,	,
43297	452	24	stiff	stiff	JJ
43297	452	25	blue	blue	JJ
43297	452	26	bituminous	bituminous	JJ
43297	452	27	Kimeridge	Kimeridge	NNP
43297	452	28	clays	clay	NNS
43297	452	29	,	,	,
43297	452	30	the	the	DT
43297	452	31	irregular	irregular	JJ
43297	452	32	,	,	,
43297	452	33	sandy	sandy	NNP
43297	452	34	Coral	Coral	NNP
43297	452	35	Rag	Rag	NNP
43297	452	36	clays	clay	NNS
43297	452	37	,	,	,
43297	452	38	the	the	DT
43297	452	39	famous	famous	JJ
43297	452	40	Oxford	Oxford	NNP
43297	452	41	clay	clay	NN
43297	452	42	(	(	-LRB-
43297	452	43	from	from	IN
43297	452	44	which	which	WDT
43297	452	45	the	the	DT
43297	452	46	Peterborough	Peterborough	NNP
43297	452	47	and	and	CC
43297	452	48	Fletton	Fletton	NNP
43297	452	49	bricks	brick	NNS
43297	452	50	are	be	VBP
43297	452	51	made	make	VBN
43297	452	52	)	)	-RRB-
43297	452	53	,	,	,
43297	452	54	the	the	DT
43297	452	55	Kellaways	Kellaways	NNP
43297	452	56	blue	blue	JJ
43297	452	57	clay	clay	NN
43297	452	58	,	,	,
43297	452	59	and	and	CC
43297	452	60	the	the	DT
43297	452	61	Fuller	Fuller	NNP
43297	452	62	's	's	POS
43297	452	63	Earth	Earth	NNP
43297	452	64	deposits	deposit	NNS
43297	452	65	.	.	.
43297	453	1	The	the	DT
43297	453	2	'	'	``
43297	453	3	_	_	NNP
43297	453	4	Kimeridge	Kimeridge	NNP
43297	453	5	clays	clay	VBZ
43297	453	6	_	_	NNP
43297	453	7	'	'	``
43297	453	8	are	be	VBP
43297	453	9	dark	dark	JJ
43297	453	10	,	,	,
43297	453	11	stiff	stiff	JJ
43297	453	12	laminated	laminate	VBN
43297	453	13	clays	clay	NNS
43297	453	14	,	,	,
43297	453	15	closely	closely	RB
43297	453	16	resembling	resemble	VBG
43297	453	17	gault	gault	NN
43297	453	18	,	,	,
43297	453	19	and	and	CC
43297	453	20	are	be	VBP
43297	453	21	much	much	RB
43297	453	22	used	use	VBN
43297	453	23	in	in	IN
43297	453	24	the	the	DT
43297	453	25	West	West	NNP
43297	453	26	and	and	CC
43297	453	27	Midlands	Midlands	NNP
43297	453	28	for	for	IN
43297	453	29	brickmaking	brickmake	VBG
43297	453	30	.	.	.
43297	454	1	A	a	DT
43297	454	2	well	well	RB
43297	454	3	-	-	HYPH
43297	454	4	known	know	VBN
43297	454	5	deposit	deposit	NN
43297	454	6	of	of	IN
43297	454	7	this	this	DT
43297	454	8	character	character	NN
43297	454	9	has	have	VBZ
43297	454	10	long	long	RB
43297	454	11	been	be	VBN
43297	454	12	used	use	VBN
43297	454	13	at	at	IN
43297	454	14	Pickering	Pickering	NNP
43297	454	15	in	in	IN
43297	454	16	Yorkshire	Yorkshire	NNP
43297	454	17	,	,	,
43297	454	18	but	but	CC
43297	454	19	the	the	DT
43297	454	20	most	most	RBS
43297	454	21	typical	typical	JJ
43297	454	22	deposits	deposit	NNS
43297	454	23	are	be	VBP
43297	454	24	in	in	IN
43297	454	25	Huntingdonshire	Huntingdonshire	NNP
43297	454	26	.	.	.
43297	455	1	The	the	DT
43297	455	2	Kimeridge	Kimeridge	NNP
43297	455	3	clays	clay	NNS
43297	455	4	contain	contain	VBP
43297	455	5	a	a	DT
43297	455	6	bituminous	bituminous	JJ
43297	455	7	shale	shale	NN
43297	455	8	,	,	,
43297	455	9	or	or	CC
43297	455	10	Sapropelic	Sapropelic	NNP
43297	455	11	Coal	Coal	NNP
43297	455	12	,	,	,
43297	455	13	which	which	WDT
43297	455	14	evolves	evolve	VBZ
43297	455	15	a	a	DT
43297	455	16	characteristic	characteristic	JJ
43297	455	17	odour	odour	NN
43297	455	18	on	on	IN
43297	455	19	burning	burning	NN
43297	455	20	.	.	.
43297	456	1	Agriculturally	agriculturally	RB
43297	456	2	,	,	,
43297	456	3	the	the	DT
43297	456	4	Kimeridge	Kimeridge	NNP
43297	456	5	clays	clay	NNS
43297	456	6	resemble	resemble	VBP
43297	456	7	gault	gault	NN
43297	456	8	and	and	CC
43297	456	9	are	be	VBP
43297	456	10	difficult	difficult	JJ
43297	456	11	to	to	TO
43297	456	12	work	work	VB
43297	456	13	as	as	IN
43297	456	14	arable	arable	JJ
43297	456	15	land	land	NN
43297	456	16	,	,	,
43297	456	17	though	though	IN
43297	456	18	they	-PRON-	PRP
43297	456	19	form	form	VBP
43297	456	20	first	first	JJ
43297	456	21	-	-	HYPH
43297	456	22	rate	rate	NN
43297	456	23	pasturage	pasturage	NN
43297	456	24	.	.	.
43297	457	1	[	[	-LRB-
43297	457	2	Illustration	illustration	NN
43297	457	3	:	:	:
43297	457	4	Fig	Fig	NNP
43297	457	5	.	.	.
43297	458	1	10	10	CD
43297	458	2	.	.	.
43297	459	1	Oxford	Oxford	NNP
43297	459	2	clay	clay	NN
43297	459	3	near	near	IN
43297	459	4	Peterborough	Peterborough	NNP
43297	459	5	.	.	.
43297	460	1	(	(	-LRB-
43297	460	2	_	_	NNP
43297	460	3	By	by	IN
43297	460	4	courtesy	courtesy	NN
43297	460	5	of	of	IN
43297	460	6	Messrs	Messrs	NNP
43297	460	7	Ruston	Ruston	NNP
43297	460	8	,	,	,
43297	460	9	Proctor	Proctor	NNP
43297	460	10	&	&	CC
43297	460	11	Co.	Co.	NNP
43297	460	12	Ltd.	Ltd.	NNP
43297	460	13	_	_	NNP
43297	460	14	)	)	-RRB-
43297	460	15	]	]	-RRB-
43297	460	16	The	the	DT
43297	460	17	'	'	``
43297	460	18	_	_	NNP
43297	460	19	Oxford	Oxford	NNP
43297	460	20	clays	clay	NNS
43297	460	21	_	_	IN
43297	460	22	'	'	``
43297	460	23	are	be	VBP
43297	460	24	valuable	valuable	JJ
43297	460	25	for	for	IN
43297	460	26	brickmaking	brickmake	VBG
43297	460	27	when	when	WRB
43297	460	28	their	-PRON-	PRP$
43297	460	29	use	use	NN
43297	460	30	is	be	VBZ
43297	460	31	understood	understand	VBN
43297	460	32	,	,	,
43297	460	33	but	but	CC
43297	460	34	to	to	IN
43297	460	35	the	the	DT
43297	460	36	uninitiated	uninitiated	JJ
43297	460	37	they	-PRON-	PRP
43297	460	38	are	be	VBP
43297	460	39	very	very	RB
43297	460	40	troublesome	troublesome	JJ
43297	460	41	.	.	.
43297	461	1	Their	-PRON-	PRP$
43297	461	2	colour	colour	NN
43297	461	3	is	be	VBZ
43297	461	4	dark	dark	JJ
43297	461	5	blue	blue	JJ
43297	461	6	or	or	CC
43297	461	7	grey	grey	JJ
43297	461	8	and	and	CC
43297	461	9	they	-PRON-	PRP
43297	461	10	are	be	VBP
43297	461	11	usually	usually	RB
43297	461	12	stiff	stiff	JJ
43297	461	13	or	or	CC
43297	461	14	somewhat	somewhat	RB
43297	461	15	shaly	shaly	NN
43297	461	16	in	in	IN
43297	461	17	texture	texture	NN
43297	461	18	with	with	IN
43297	461	19	layers	layer	NNS
43297	461	20	of	of	IN
43297	461	21	variable	variable	JJ
43297	461	22	composition	composition	NN
43297	461	23	.	.	.
43297	462	1	The	the	DT
43297	462	2	closely	closely	RB
43297	462	3	associated	associate	VBN
43297	462	4	Cornbrash	Cornbrash	NNP
43297	462	5	(	(	-LRB-
43297	462	6	limestone	limestone	NN
43297	462	7	)	)	-RRB-
43297	462	8	is	be	VBZ
43297	462	9	a	a	DT
43297	462	10	source	source	NN
43297	462	11	of	of	IN
43297	462	12	trouble	trouble	NN
43297	462	13	unless	unless	IN
43297	462	14	great	great	JJ
43297	462	15	care	care	NN
43297	462	16	is	be	VBZ
43297	462	17	taken	take	VBN
43297	462	18	in	in	IN
43297	462	19	the	the	DT
43297	462	20	selection	selection	NN
43297	462	21	of	of	IN
43297	462	22	the	the	DT
43297	462	23	material	material	NN
43297	462	24	.	.	.
43297	463	1	'	'	``
43297	463	2	Oxford	Oxford	NNP
43297	463	3	clays	clay	NNS
43297	463	4	'	'	''
43297	463	5	are	be	VBP
43297	463	6	not	not	RB
43297	463	7	infrequently	infrequently	RB
43297	463	8	traversed	traverse	VBN
43297	463	9	by	by	IN
43297	463	10	seams	seam	NNS
43297	463	11	of	of	IN
43297	463	12	poor	poor	JJ
43297	463	13	coal	coal	NN
43297	463	14	or	or	CC
43297	463	15	by	by	IN
43297	463	16	oil	oil	NN
43297	463	17	-	-	HYPH
43297	463	18	shales	shale	NNS
43297	463	19	.	.	.
43297	464	1	Agriculturally	agriculturally	RB
43297	464	2	,	,	,
43297	464	3	Oxford	Oxford	NNP
43297	464	4	clay	clay	NN
43297	464	5	is	be	VBZ
43297	464	6	difficult	difficult	JJ
43297	464	7	to	to	TO
43297	464	8	work	work	VB
43297	464	9	and	and	CC
43297	464	10	,	,	,
43297	464	11	while	while	IN
43297	464	12	much	much	JJ
43297	464	13	of	of	IN
43297	464	14	it	-PRON-	PRP
43297	464	15	is	be	VBZ
43297	464	16	valuable	valuable	JJ
43297	464	17	,	,	,
43297	464	18	large	large	JJ
43297	464	19	portions	portion	NNS
43297	464	20	are	be	VBP
43297	464	21	poor	poor	JJ
43297	464	22	and	and	CC
43297	464	23	cold	cold	JJ
43297	464	24	.	.	.
43297	465	1	When	when	WRB
43297	465	2	well	well	RB
43297	465	3	exposed	expose	VBN
43297	465	4	to	to	TO
43297	465	5	frost	frost	VB
43297	465	6	it	-PRON-	PRP
43297	465	7	is	be	VBZ
43297	465	8	made	make	VBN
43297	465	9	much	much	RB
43297	465	10	lighter	light	JJR
43297	465	11	,	,	,
43297	465	12	but	but	CC
43297	465	13	even	even	RB
43297	465	14	then	then	RB
43297	465	15	is	be	VBZ
43297	465	16	not	not	RB
43297	465	17	very	very	RB
43297	465	18	suitable	suitable	JJ
43297	465	19	for	for	IN
43297	465	20	wheat	wheat	NN
43297	465	21	and	and	CC
43297	465	22	autumn	autumn	NN
43297	465	23	sown	sown	NN
43297	465	24	crops	crop	NNS
43297	465	25	.	.	.
43297	466	1	The	the	DT
43297	466	2	'	'	``
43297	466	3	_	_	NNP
43297	466	4	Kellaway	Kellaway	NNP
43297	466	5	blue	blue	JJ
43297	466	6	clays	clay	NNS
43297	466	7	_	_	NNP
43297	466	8	'	'	''
43297	466	9	are	be	VBP
43297	466	10	often	often	RB
43297	466	11	included	include	VBN
43297	466	12	in	in	IN
43297	466	13	the	the	DT
43297	466	14	Oxford	Oxford	NNP
43297	466	15	clays	clay	NNS
43297	466	16	,	,	,
43297	466	17	though	though	IN
43297	466	18	they	-PRON-	PRP
43297	466	19	form	form	VBP
43297	466	20	irregular	irregular	JJ
43297	466	21	bands	band	NNS
43297	466	22	above	above	IN
43297	466	23	them	-PRON-	PRP
43297	466	24	and	and	CC
43297	466	25	are	be	VBP
43297	466	26	of	of	IN
43297	466	27	fresh	fresh	JJ
43297	466	28	-	-	HYPH
43297	466	29	water	water	NN
43297	466	30	origin	origin	NN
43297	466	31	,	,	,
43297	466	32	whilst	whilst	IN
43297	466	33	the	the	DT
43297	466	34	Oxford	Oxford	NNP
43297	466	35	clays	clay	NNS
43297	466	36	are	be	VBP
43297	466	37	marine	marine	JJ
43297	466	38	deposits	deposit	NNS
43297	466	39	.	.	.
43297	467	1	They	-PRON-	PRP
43297	467	2	are	be	VBP
43297	467	3	chiefly	chiefly	RB
43297	467	4	used	use	VBN
43297	467	5	commercially	commercially	RB
43297	467	6	for	for	IN
43297	467	7	domestic	domestic	JJ
43297	467	8	firebricks	firebrick	NNS
43297	467	9	near	near	IN
43297	467	10	Oundle	Oundle	NNP
43297	467	11	and	and	CC
43297	467	12	Stamford	Stamford	NNP
43297	467	13	.	.	.
43297	468	1	=	=	NFP
43297	468	2	Cretaceous	cretaceous	JJ
43297	468	3	clays=	clays=	NN
43297	468	4	occur	occur	VB
43297	468	5	,	,	,
43297	468	6	as	as	IN
43297	468	7	their	-PRON-	PRP$
43297	468	8	name	name	NN
43297	468	9	implies	imply	VBZ
43297	468	10	,	,	,
43297	468	11	in	in	IN
43297	468	12	association	association	NN
43297	468	13	with	with	IN
43297	468	14	chalk	chalk	NN
43297	468	15	.	.	.
43297	469	1	The	the	DT
43297	469	2	chief	chief	JJ
43297	469	3	clay	clay	NN
43297	469	4	in	in	IN
43297	469	5	this	this	DT
43297	469	6	System	system	NN
43297	469	7	is	be	VBZ
43297	469	8	the	the	DT
43297	469	9	_	_	NNP
43297	469	10	gault	gault	NN
43297	469	11	_	_	NNP
43297	469	12	,	,	,
43297	469	13	a	a	DT
43297	469	14	stiff	stiff	JJ
43297	469	15	,	,	,
43297	469	16	black	black	JJ
43297	469	17	,	,	,
43297	469	18	calcareous	calcareous	JJ
43297	469	19	clay	clay	NN
43297	469	20	of	of	IN
43297	469	21	marine	marine	JJ
43297	469	22	origin	origin	NNP
43297	469	23	chiefly	chiefly	RB
43297	469	24	used	use	VBD
43297	469	25	for	for	IN
43297	469	26	brickmaking	brickmake	VBG
43297	469	27	.	.	.
43297	470	1	When	when	WRB
43297	470	2	used	use	VBN
43297	470	3	alone	alone	RB
43297	470	4	,	,	,
43297	470	5	gault	gault	NN
43297	470	6	burns	burn	NNS
43297	470	7	to	to	IN
43297	470	8	a	a	DT
43297	470	9	reddish	reddish	JJ
43297	470	10	colour	colour	NN
43297	470	11	,	,	,
43297	470	12	due	due	IN
43297	470	13	to	to	IN
43297	470	14	the	the	DT
43297	470	15	iron	iron	NN
43297	470	16	present	present	NN
43297	470	17	,	,	,
43297	470	18	but	but	CC
43297	470	19	if	if	IN
43297	470	20	,	,	,
43297	470	21	as	as	IN
43297	470	22	is	be	VBZ
43297	470	23	more	more	RBR
43297	470	24	usual	usual	JJ
43297	470	25	,	,	,
43297	470	26	it	-PRON-	PRP
43297	470	27	is	be	VBZ
43297	470	28	mixed	mix	VBN
43297	470	29	with	with	IN
43297	470	30	chalk	chalk	NN
43297	470	31	,	,	,
43297	470	32	it	-PRON-	PRP
43297	470	33	burns	burn	VBZ
43297	470	34	perfectly	perfectly	RB
43297	470	35	white	white	JJ
43297	470	36	.	.	.
43297	471	1	Some	some	DT
43297	471	2	gaults	gault	NNS
43297	471	3	contain	contain	VBP
43297	471	4	sufficient	sufficient	JJ
43297	471	5	chalk	chalk	NN
43297	471	6	to	to	TO
43297	471	7	render	render	VB
43297	471	8	the	the	DT
43297	471	9	addition	addition	NN
43297	471	10	of	of	IN
43297	471	11	a	a	DT
43297	471	12	further	further	JJ
43297	471	13	quantity	quantity	NN
43297	471	14	unnecessary	unnecessary	JJ
43297	471	15	.	.	.
43297	472	1	Agriculturally	agriculturally	RB
43297	472	2	,	,	,
43297	472	3	the	the	DT
43297	472	4	Cretaceous	cretaceous	JJ
43297	472	5	clays	clay	NNS
43297	472	6	form	form	VBP
43297	472	7	good	good	JJ
43297	472	8	arable	arable	JJ
43297	472	9	soil	soil	NN
43297	472	10	where	where	WRB
43297	472	11	they	-PRON-	PRP
43297	472	12	are	be	VBP
43297	472	13	not	not	RB
43297	472	14	too	too	RB
43297	472	15	exposed	expose	VBN
43297	472	16	,	,	,
43297	472	17	but	but	CC
43297	472	18	they	-PRON-	PRP
43297	472	19	suffer	suffer	VBP
43297	472	20	from	from	IN
43297	472	21	drought	drought	NN
43297	472	22	.	.	.
43297	473	1	The	the	DT
43297	473	2	'	'	``
43297	473	3	_	_	NNP
43297	473	4	Wealden	Wealden	NNP
43297	473	5	clay	clay	NN
43297	473	6	_	_	NNP
43297	473	7	'	'	''
43297	473	8	is	be	VBZ
43297	473	9	a	a	DT
43297	473	10	stiff	stiff	JJ
43297	473	11	yellowish	yellowish	JJ
43297	473	12	grey	grey	NN
43297	473	13	or	or	CC
43297	473	14	blue	blue	JJ
43297	473	15	clay	clay	NN
43297	473	16	extensively	extensively	RB
43297	473	17	used	use	VBN
43297	473	18	for	for	IN
43297	473	19	brickmaking	brickmake	VBG
43297	473	20	in	in	IN
43297	473	21	Kent	Kent	NNP
43297	473	22	,	,	,
43297	473	23	Sussex	Sussex	NNP
43297	473	24	and	and	CC
43297	473	25	Surrey	Surrey	NNP
43297	473	26	.	.	.
43297	474	1	It	-PRON-	PRP
43297	474	2	has	have	VBZ
43297	474	3	been	be	VBN
43297	474	4	subdivided	subdivide	VBN
43297	474	5	by	by	IN
43297	474	6	geologists	geologist	NNS
43297	474	7	into	into	IN
43297	474	8	a	a	DT
43297	474	9	number	number	NN
43297	474	10	of	of	IN
43297	474	11	other	other	JJ
43297	474	12	clays	clay	NNS
43297	474	13	,	,	,
43297	474	14	such	such	JJ
43297	474	15	as	as	IN
43297	474	16	the	the	DT
43297	474	17	Wadhurst	Wadhurst	NNP
43297	474	18	,	,	,
43297	474	19	Fairlight	Fairlight	NNP
43297	474	20	,	,	,
43297	474	21	etc	etc	FW
43297	474	22	.	.	FW
43297	474	23	,	,	,
43297	474	24	but	but	CC
43297	474	25	the	the	DT
43297	474	26	differences	difference	NNS
43297	474	27	between	between	IN
43297	474	28	them	-PRON-	PRP
43297	474	29	lie	lie	VBP
43297	474	30	more	more	RBR
43297	474	31	in	in	IN
43297	474	32	the	the	DT
43297	474	33	fossils	fossil	NNS
43297	474	34	occurring	occur	VBG
43297	474	35	in	in	IN
43297	474	36	them	-PRON-	PRP
43297	474	37	than	than	IN
43297	474	38	in	in	IN
43297	474	39	the	the	DT
43297	474	40	characters	character	NNS
43297	474	41	of	of	IN
43297	474	42	the	the	DT
43297	474	43	clays	clay	NNS
43297	474	44	themselves	-PRON-	PRP
43297	474	45	.	.	.
43297	475	1	They	-PRON-	PRP
43297	475	2	are	be	VBP
43297	475	3	usually	usually	RB
43297	475	4	contaminated	contaminate	VBN
43297	475	5	with	with	IN
43297	475	6	ironstone	ironstone	NN
43297	475	7	,	,	,
43297	475	8	gypsum	gypsum	NN
43297	475	9	and	and	CC
43297	475	10	some	some	DT
43297	475	11	limestone	limestone	NN
43297	475	12	.	.	.
43297	476	1	Agriculturally	agriculturally	RB
43297	476	2	,	,	,
43297	476	3	the	the	DT
43297	476	4	Wealden	Wealden	NNP
43297	476	5	clay	clay	NN
43297	476	6	produces	produce	VBZ
43297	476	7	stiff	stiff	JJ
43297	476	8	,	,	,
43297	476	9	yellowish	yellowish	JJ
43297	476	10	soils	soil	NNS
43297	476	11	of	of	IN
43297	476	12	a	a	DT
43297	476	13	wet	wet	JJ
43297	476	14	and	and	CC
43297	476	15	poor	poor	JJ
43297	476	16	character	character	NN
43297	476	17	,	,	,
43297	476	18	but	but	CC
43297	476	19	sometimes	sometimes	RB
43297	476	20	loams	loam	VBZ
43297	476	21	of	of	IN
43297	476	22	a	a	DT
43297	476	23	highly	highly	RB
43297	476	24	productive	productive	JJ
43297	476	25	nature	nature	NN
43297	476	26	occur	occur	VBP
43297	476	27	.	.	.
43297	477	1	The	the	DT
43297	477	2	=	=	NFP
43297	477	3	Tertiary	tertiary	JJ
43297	477	4	clays=	clays=	NN
43297	477	5	include	include	VBP
43297	477	6	all	all	PDT
43297	477	7	those	those	DT
43297	477	8	deposited	deposit	VBN
43297	477	9	after	after	IN
43297	477	10	the	the	DT
43297	477	11	Chalk	Chalk	NNP
43297	477	12	and	and	CC
43297	477	13	previous	previous	JJ
43297	477	14	to	to	IN
43297	477	15	the	the	DT
43297	477	16	close	close	NN
43297	477	17	of	of	IN
43297	477	18	the	the	DT
43297	477	19	Glacial	glacial	JJ
43297	477	20	period	period	NN
43297	477	21	.	.	.
43297	478	1	They	-PRON-	PRP
43297	478	2	are	be	VBP
43297	478	3	usually	usually	RB
43297	478	4	mixed	mix	VBN
43297	478	5	with	with	IN
43297	478	6	sand	sand	NN
43297	478	7	and	and	CC
43297	478	8	gravel	gravel	NN
43297	478	9	,	,	,
43297	478	10	and	and	CC
43297	478	11	though	though	IN
43297	478	12	the	the	DT
43297	478	13	deposits	deposit	NNS
43297	478	14	are	be	VBP
43297	478	15	often	often	RB
43297	478	16	thin	thin	JJ
43297	478	17	and	and	CC
43297	478	18	irregular	irregular	JJ
43297	478	19	they	-PRON-	PRP
43297	478	20	are	be	VBP
43297	478	21	the	the	DT
43297	478	22	most	most	RBS
43297	478	23	generally	generally	RB
43297	478	24	important	important	JJ
43297	478	25	of	of	IN
43297	478	26	all	all	DT
43297	478	27	clays	clay	NNS
43297	478	28	.	.	.
43297	479	1	They	-PRON-	PRP
43297	479	2	vary	vary	VBP
43297	479	3	greatly	greatly	RB
43297	479	4	in	in	IN
43297	479	5	character	character	NN
43297	479	6	;	;	,
43297	479	7	some	some	DT
43297	479	8	,	,	,
43297	479	9	like	like	IN
43297	479	10	the	the	DT
43297	479	11	London	London	NNP
43297	479	12	clay	clay	NN
43297	479	13	,	,	,
43297	479	14	being	be	VBG
43297	479	15	almost	almost	RB
43297	479	16	useless	useless	JJ
43297	479	17	unless	unless	IN
43297	479	18	mixed	mix	VBN
43297	479	19	with	with	IN
43297	479	20	other	other	JJ
43297	479	21	materials	material	NNS
43297	479	22	,	,	,
43297	479	23	whilst	whilst	IN
43297	479	24	others	other	NNS
43297	479	25	like	like	IN
43297	479	26	the	the	DT
43297	479	27	ball	ball	NN
43297	479	28	clays	clay	NNS
43297	479	29	of	of	IN
43297	479	30	Devonshire	Devonshire	NNP
43297	479	31	and	and	CC
43297	479	32	Dorset	Dorset	NNP
43297	479	33	are	be	VBP
43297	479	34	amongst	amongst	IN
43297	479	35	the	the	DT
43297	479	36	purest	pure	JJS
43297	479	37	and	and	CC
43297	479	38	most	most	RBS
43297	479	39	valuable	valuable	JJ
43297	479	40	of	of	IN
43297	479	41	the	the	DT
43297	479	42	plastic	plastic	NN
43297	479	43	clays	clay	NNS
43297	479	44	.	.	.
43297	480	1	The	the	DT
43297	480	2	Tertiary	Tertiary	NNP
43297	480	3	clays	clay	NNS
43297	480	4	are	be	VBP
43297	480	5	divided	divide	VBN
43297	480	6	by	by	IN
43297	480	7	geologists	geologist	NNS
43297	480	8	into	into	IN
43297	480	9	Pliocene	Pliocene	NNP
43297	480	10	,	,	,
43297	480	11	Miocene	Miocene	NNP
43297	480	12	and	and	CC
43297	480	13	Eocene	Eocene	NNP
43297	480	14	formations	formation	NNS
43297	480	15	;	;	:
43297	480	16	of	of	IN
43297	480	17	these	these	DT
43297	480	18	the	the	DT
43297	480	19	first	first	JJ
43297	480	20	are	be	VBP
43297	480	21	commercially	commercially	RB
43297	480	22	unimportant	unimportant	JJ
43297	480	23	and	and	CC
43297	480	24	the	the	DT
43297	480	25	second	second	JJ
43297	480	26	do	do	VBP
43297	480	27	not	not	RB
43297	480	28	exist	exist	VB
43297	480	29	in	in	IN
43297	480	30	Great	Great	NNP
43297	480	31	Britain	Britain	NNP
43297	480	32	.	.	.
43297	481	1	At	at	IN
43297	481	2	one	one	CD
43297	481	3	time	time	NN
43297	481	4	the	the	DT
43297	481	5	Bovey	Bovey	NNP
43297	481	6	Tracey	Tracey	NNP
43297	481	7	clays	clay	NNS
43297	481	8	were	be	VBD
43297	481	9	considered	consider	VBN
43297	481	10	to	to	TO
43297	481	11	be	be	VB
43297	481	12	Miocene	Miocene	NNP
43297	481	13	,	,	,
43297	481	14	but	but	CC
43297	481	15	they	-PRON-	PRP
43297	481	16	have	have	VBP
43297	481	17	recently	recently	RB
43297	481	18	been	be	VBN
43297	481	19	classed	class	VBN
43297	481	20	as	as	IN
43297	481	21	Oligocene	Oligocene	NNP
43297	481	22	by	by	IN
43297	481	23	Clement	Clement	NNP
43297	481	24	Reid	Reid	NNP
43297	481	25	.	.	.
43297	482	1	Agriculturally	agriculturally	RB
43297	482	2	,	,	,
43297	482	3	the	the	DT
43297	482	4	most	most	RBS
43297	482	5	important	important	JJ
43297	482	6	of	of	IN
43297	482	7	the	the	DT
43297	482	8	Tertiary	tertiary	JJ
43297	482	9	formations	formation	NNS
43297	482	10	is	be	VBZ
43297	482	11	the	the	DT
43297	482	12	Eocene	Eocene	NNP
43297	482	13	,	,	,
43297	482	14	particularly	particularly	RB
43297	482	15	near	near	IN
43297	482	16	London	London	NNP
43297	482	17	,	,	,
43297	482	18	though	though	IN
43297	482	19	it	-PRON-	PRP
43297	482	20	is	be	VBZ
43297	482	21	much	much	RB
43297	482	22	covered	cover	VBN
43297	482	23	by	by	IN
43297	482	24	sand	sand	NN
43297	482	25	or	or	CC
43297	482	26	gravel	gravel	NN
43297	482	27	.	.	.
43297	483	1	The	the	DT
43297	483	2	_	_	NNP
43297	483	3	London	London	NNP
43297	483	4	clay	clay	NN
43297	483	5	_	_	NNP
43297	483	6	,	,	,
43297	483	7	which	which	WDT
43297	483	8	produces	produce	VBZ
43297	483	9	a	a	DT
43297	483	10	heavy	heavy	JJ
43297	483	11	brown	brown	JJ
43297	483	12	soil	soil	NN
43297	483	13	,	,	,
43297	483	14	is	be	VBZ
43297	483	15	of	of	IN
43297	483	16	slight	slight	JJ
43297	483	17	value	value	NN
43297	483	18	,	,	,
43297	483	19	though	though	IN
43297	483	20	when	when	WRB
43297	483	21	properly	properly	RB
43297	483	22	drained	drain	VBD
43297	483	23	it	-PRON-	PRP
43297	483	24	produces	produce	VBZ
43297	483	25	good	good	JJ
43297	483	26	crops	crop	NNS
43297	483	27	of	of	IN
43297	483	28	wheat	wheat	NN
43297	483	29	,	,	,
43297	483	30	beans	bean	NNS
43297	483	31	,	,	,
43297	483	32	and	and	CC
43297	483	33	cabbages	cabbage	NNS
43297	483	34	and	and	CC
43297	483	35	other	other	JJ
43297	483	36	market	market	NN
43297	483	37	-	-	HYPH
43297	483	38	garden	garden	NN
43297	483	39	produce	produce	NN
43297	483	40	.	.	.
43297	484	1	For	for	IN
43297	484	2	this	this	DT
43297	484	3	purpose	purpose	NN
43297	484	4	it	-PRON-	PRP
43297	484	5	is	be	VBZ
43297	484	6	greatly	greatly	RB
43297	484	7	improved	improve	VBN
43297	484	8	by	by	IN
43297	484	9	the	the	DT
43297	484	10	addition	addition	NN
43297	484	11	of	of	IN
43297	484	12	lime	lime	NN
43297	484	13	and	and	CC
43297	484	14	of	of	IN
43297	484	15	town	town	NN
43297	484	16	manure	manure	NN
43297	484	17	.	.	.
43297	485	1	The	the	DT
43297	485	2	South	South	NNP
43297	485	3	Hampshire	Hampshire	NNP
43297	485	4	Eocene	Eocene	NNP
43297	485	5	beds	bed	NNS
43297	485	6	of	of	IN
43297	485	7	clay	clay	NN
43297	485	8	are	be	VBP
43297	485	9	cold	cold	JJ
43297	485	10	,	,	,
43297	485	11	wet	wet	JJ
43297	485	12	and	and	CC
43297	485	13	of	of	IN
43297	485	14	small	small	JJ
43297	485	15	agricultural	agricultural	JJ
43297	485	16	value	value	NN
43297	485	17	.	.	.
43297	486	1	The	the	DT
43297	486	2	Eocene	Eocene	NNP
43297	486	3	clays	clay	NNS
43297	486	4	are	be	VBP
43297	486	5	composed	compose	VBN
43297	486	6	of	of	IN
43297	486	7	a	a	DT
43297	486	8	variety	variety	NN
43297	486	9	of	of	IN
43297	486	10	clays	clay	NNS
43297	486	11	,	,	,
43297	486	12	many	many	DT
43297	486	13	of	of	IN
43297	486	14	which	which	WDT
43297	486	15	are	be	VBP
43297	486	16	only	only	RB
43297	486	17	distinguishable	distinguishable	JJ
43297	486	18	by	by	IN
43297	486	19	the	the	DT
43297	486	20	different	different	JJ
43297	486	21	fossils	fossil	NNS
43297	486	22	they	-PRON-	PRP
43297	486	23	contain	contain	VBP
43297	486	24	.	.	.
43297	487	1	The	the	DT
43297	487	2	most	most	RBS
43297	487	3	important	important	JJ
43297	487	4	are	be	VBP
43297	487	5	the	the	DT
43297	487	6	Reading	reading	NN
43297	487	7	clays	clay	NNS
43297	487	8	,	,	,
43297	487	9	the	the	DT
43297	487	10	London	London	NNP
43297	487	11	clay	clay	NN
43297	487	12	and	and	CC
43297	487	13	the	the	DT
43297	487	14	Bagshot	Bagshot	NNP
43297	487	15	clays	clay	NNS
43297	487	16	.	.	.
43297	488	1	The	the	DT
43297	488	2	_	_	NNP
43297	488	3	Reading	Reading	NNP
43297	488	4	clays	clay	NNS
43297	488	5	_	_	NNP
43297	488	6	extend	extend	VBP
43297	488	7	over	over	IN
43297	488	8	a	a	DT
43297	488	9	considerable	considerable	JJ
43297	488	10	area	area	NN
43297	488	11	in	in	IN
43297	488	12	the	the	DT
43297	488	13	South	South	NNP
43297	488	14	of	of	IN
43297	488	15	England	England	NNP
43297	488	16	and	and	CC
43297	488	17	are	be	VBP
43297	488	18	most	most	RBS
43297	488	19	valuable	valuable	JJ
43297	488	20	near	near	IN
43297	488	21	the	the	DT
43297	488	22	town	town	NN
43297	488	23	from	from	IN
43297	488	24	which	which	WDT
43297	488	25	they	-PRON-	PRP
43297	488	26	derive	derive	VBP
43297	488	27	their	-PRON-	PRP$
43297	488	28	name	name	NN
43297	488	29	.	.	.
43297	489	1	The	the	DT
43297	489	2	best	good	JJS
43297	489	3	qualities	quality	NNS
43297	489	4	are	be	VBP
43297	489	5	mottled	mottle	VBN
43297	489	6	in	in	IN
43297	489	7	a	a	DT
43297	489	8	characteristic	characteristic	JJ
43297	489	9	manner	manner	NN
43297	489	10	and	and	CC
43297	489	11	are	be	VBP
43297	489	12	particularly	particularly	RB
43297	489	13	suitable	suitable	JJ
43297	489	14	for	for	IN
43297	489	15	the	the	DT
43297	489	16	manufacture	manufacture	NN
43297	489	17	of	of	IN
43297	489	18	roofing	roof	VBG
43297	489	19	tiles	tile	NNS
43297	489	20	and	and	CC
43297	489	21	small	small	JJ
43297	489	22	terra	terra	NN
43297	489	23	-	-	HYPH
43297	489	24	cotta	cotta	NNP
43297	489	25	--	--	:
43297	489	26	an	an	DT
43297	489	27	industry	industry	NN
43297	489	28	for	for	IN
43297	489	29	which	which	WDT
43297	489	30	Reading	reading	NN
43297	489	31	is	be	VBZ
43297	489	32	famous	famous	JJ
43297	489	33	.	.	.
43297	490	1	The	the	DT
43297	490	2	_	_	NNP
43297	490	3	London	London	NNP
43297	490	4	clay	clay	NN
43297	490	5	_	_	NNP
43297	490	6	is	be	VBZ
43297	490	7	always	always	RB
43297	490	8	a	a	DT
43297	490	9	treacherous	treacherous	JJ
43297	490	10	material	material	NN
43297	490	11	and	and	CC
43297	490	12	is	be	VBZ
43297	490	13	best	well	RBS
43297	490	14	avoided	avoid	VBN
43297	490	15	in	in	IN
43297	490	16	the	the	DT
43297	490	17	manufacture	manufacture	NN
43297	490	18	of	of	IN
43297	490	19	bricks	brick	NNS
43297	490	20	and	and	CC
43297	490	21	other	other	JJ
43297	490	22	articles	article	NNS
43297	490	23	except	except	IN
43297	490	24	under	under	IN
43297	490	25	highly	highly	RB
43297	490	26	skilled	skilled	JJ
43297	490	27	technical	technical	JJ
43297	490	28	advice	advice	NN
43297	490	29	.	.	.
43297	491	1	The	the	DT
43297	491	2	_	_	NNP
43297	491	3	Bagshot	Bagshot	NNP
43297	491	4	clays	clay	NNS
43297	491	5	_	_	NNP
43297	491	6	in	in	IN
43297	491	7	Dorsetshire	Dorsetshire	NNP
43297	491	8	are	be	VBP
43297	491	9	famous	famous	JJ
43297	491	10	for	for	IN
43297	491	11	the	the	DT
43297	491	12	ball	ball	NN
43297	491	13	and	and	CC
43297	491	14	pipe	pipe	NN
43297	491	15	clays	clay	NNS
43297	491	16	shipped	ship	VBN
43297	491	17	from	from	IN
43297	491	18	Poole	Poole	NNP
43297	491	19	,	,	,
43297	491	20	whilst	whilst	IN
43297	491	21	at	at	IN
43297	491	22	Bovey	Bovey	NNP
43297	491	23	Tracey	Tracey	NNP
43297	491	24	and	and	CC
43297	491	25	in	in	IN
43297	491	26	several	several	JJ
43297	491	27	parts	part	NNS
43297	491	28	of	of	IN
43297	491	29	Devonshire	Devonshire	NNP
43297	491	30	equally	equally	RB
43297	491	31	valuable	valuable	JJ
43297	491	32	ball	ball	NN
43297	491	33	clays	clay	NNS
43297	491	34	are	be	VBP
43297	491	35	found	find	VBN
43297	491	36	and	and	CC
43297	491	37	are	be	VBP
43297	491	38	shipped	ship	VBN
43297	491	39	from	from	IN
43297	491	40	Teignmouth	Teignmouth	NNP
43297	491	41	.	.	.
43297	492	1	These	these	DT
43297	492	2	_	_	NNP
43297	492	3	ball	ball	NN
43297	492	4	clays	clay	NNS
43297	492	5	_	_	NNP
43297	492	6	are	be	VBP
43297	492	7	of	of	IN
43297	492	8	variable	variable	JJ
43297	492	9	composition	composition	NN
43297	492	10	and	and	CC
43297	492	11	colour	colour	NN
43297	492	12	and	and	CC
43297	492	13	require	require	VB
43297	492	14	careful	careful	JJ
43297	492	15	selection	selection	NN
43297	492	16	and	and	CC
43297	492	17	testing	testing	NN
43297	492	18	.	.	.
43297	493	1	They	-PRON-	PRP
43297	493	2	are	be	VBP
43297	493	3	closely	closely	RB
43297	493	4	associated	associate	VBN
43297	493	5	with	with	IN
43297	493	6	sands	sand	NNS
43297	493	7	,	,	,
43297	493	8	but	but	CC
43297	493	9	the	the	DT
43297	493	10	lower	low	JJR
43297	493	11	beds	bed	NNS
43297	493	12	of	of	IN
43297	493	13	clay	clay	NN
43297	493	14	are	be	VBP
43297	493	15	remarkably	remarkably	RB
43297	493	16	stiff	stiff	JJ
43297	493	17	,	,	,
43297	493	18	plastic	plastic	JJ
43297	493	19	and	and	CC
43297	493	20	white	white	JJ
43297	493	21	-	-	HYPH
43297	493	22	burning	burning	NN
43297	493	23	.	.	.
43297	494	1	The	the	DT
43297	494	2	colour	colour	NN
43297	494	3	of	of	IN
43297	494	4	the	the	DT
43297	494	5	raw	raw	JJ
43297	494	6	clay	clay	NN
43297	494	7	varies	vary	VBZ
43297	494	8	from	from	IN
43297	494	9	a	a	DT
43297	494	10	pale	pale	JJ
43297	494	11	yellow	yellow	NN
43297	494	12	to	to	IN
43297	494	13	a	a	DT
43297	494	14	dark	dark	JJ
43297	494	15	brown	brown	NN
43297	494	16	or	or	CC
43297	494	17	even	even	RB
43297	494	18	to	to	IN
43297	494	19	black	black	JJ
43297	494	20	,	,	,
43297	494	21	but	but	CC
43297	494	22	this	this	DT
43297	494	23	is	be	VBZ
43297	494	24	little	little	JJ
43297	494	25	or	or	CC
43297	494	26	no	no	DT
43297	494	27	criterion	criterion	NN
43297	494	28	of	of	IN
43297	494	29	the	the	DT
43297	494	30	colour	colour	NN
43297	494	31	of	of	IN
43297	494	32	goods	good	NNS
43297	494	33	made	make	VBD
43297	494	34	therefrom	therefrom	JJ
43297	494	35	,	,	,
43297	494	36	as	as	IN
43297	494	37	the	the	DT
43297	494	38	colour	colour	NN
43297	494	39	is	be	VBZ
43297	494	40	due	due	JJ
43297	494	41	to	to	IN
43297	494	42	carbonaceous	carbonaceous	JJ
43297	494	43	matters	matter	NNS
43297	494	44	,	,	,
43297	494	45	4	4	CD
43297	494	46	per	per	NN
43297	494	47	cent	cent	NN
43297	494	48	.	.	.
43297	495	1	or	or	CC
43297	495	2	more	more	JJR
43297	495	3	carbon	carbon	NN
43297	495	4	being	be	VBG
43297	495	5	usually	usually	RB
43297	495	6	present	present	JJ
43297	495	7	.	.	.
43297	496	1	The	the	DT
43297	496	2	'	'	``
43297	496	3	blue	blue	NN
43297	496	4	'	'	''
43297	496	5	and	and	CC
43297	496	6	'	'	``
43297	496	7	black	black	JJ
43297	496	8	'	'	''
43297	496	9	ball	ball	NN
43297	496	10	clays	clay	NNS
43297	496	11	are	be	VBP
43297	496	12	the	the	DT
43297	496	13	most	most	RBS
43297	496	14	valued	value	VBN
43297	496	15	by	by	IN
43297	496	16	potters	potter	NNS
43297	496	17	,	,	,
43297	496	18	but	but	CC
43297	496	19	the	the	DT
43297	496	20	quality	quality	NN
43297	496	21	is	be	VBZ
43297	496	22	usually	usually	RB
43297	496	23	ascertained	ascertain	VBN
43297	496	24	by	by	IN
43297	496	25	a	a	DT
43297	496	26	burning	burn	VBG
43297	496	27	test	test	NN
43297	496	28	.	.	.
43297	497	1	The	the	DT
43297	497	2	value	value	NN
43297	497	3	of	of	IN
43297	497	4	these	these	DT
43297	497	5	ball	ball	NN
43297	497	6	clays	clay	NNS
43297	497	7	both	both	DT
43297	497	8	in	in	IN
43297	497	9	Devonshire	Devonshire	NNP
43297	497	10	and	and	CC
43297	497	11	Dorset	Dorset	NNP
43297	497	12	is	be	VBZ
43297	497	13	due	due	JJ
43297	497	14	to	to	IN
43297	497	15	their	-PRON-	PRP$
43297	497	16	comparative	comparative	JJ
43297	497	17	freedom	freedom	NN
43297	497	18	from	from	IN
43297	497	19	iron	iron	NN
43297	497	20	and	and	CC
43297	497	21	alkalies	alkali	NNS
43297	497	22	and	and	CC
43297	497	23	to	to	IN
43297	497	24	their	-PRON-	PRP$
43297	497	25	remarkable	remarkable	JJ
43297	497	26	unctuousness	unctuousness	NN
43297	497	27	and	and	CC
43297	497	28	plasticity	plasticity	NN
43297	497	29	.	.	.
43297	498	1	They	-PRON-	PRP
43297	498	2	are	be	VBP
43297	498	3	,	,	,
43297	498	4	therefore	therefore	RB
43297	498	5	,	,	,
43297	498	6	largely	largely	RB
43297	498	7	used	use	VBN
43297	498	8	in	in	IN
43297	498	9	the	the	DT
43297	498	10	manufacture	manufacture	NN
43297	498	11	of	of	IN
43297	498	12	all	all	DT
43297	498	13	kinds	kind	NNS
43297	498	14	of	of	IN
43297	498	15	earthenware	earthenware	NN
43297	498	16	of	of	IN
43297	498	17	which	which	WDT
43297	498	18	they	-PRON-	PRP
43297	498	19	form	form	VBP
43297	498	20	the	the	DT
43297	498	21	foundation	foundation	NN
43297	498	22	material	material	NN
43297	498	23	.	.	.
43297	499	1	In	in	IN
43297	499	2	composition	composition	NN
43297	499	3	,	,	,
43297	499	4	ball	ball	NN
43297	499	5	clays	clay	NNS
43297	499	6	appear	appear	VBP
43297	499	7	to	to	TO
43297	499	8	consist	consist	VB
43297	499	9	chiefly	chiefly	RB
43297	499	10	of	of	IN
43297	499	11	a	a	DT
43297	499	12	hydro	hydro	NNP
43297	499	13	-	-	HYPH
43297	499	14	alumino	alumino	NNP
43297	499	15	-	-	HYPH
43297	499	16	silicate	silicate	NN
43297	499	17	corresponding	corresponding	NN
43297	499	18	to	to	IN
43297	499	19	the	the	DT
43297	499	20	formula	formula	NN
43297	499	21	H4Al2Si2O9	H4Al2Si2O9	NNS
43297	499	22	,	,	,
43297	499	23	and	and	CC
43297	499	24	in	in	IN
43297	499	25	this	this	DT
43297	499	26	they	-PRON-	PRP
43297	499	27	very	very	RB
43297	499	28	closely	closely	RB
43297	499	29	resemble	resemble	VBP
43297	499	30	the	the	DT
43297	499	31	china	china	NNP
43297	499	32	clays	clays	NNP
43297	499	33	(	(	-LRB-
43297	499	34	kaolins	kaolins	NNP
43297	499	35	)	)	-RRB-
43297	499	36	.	.	.
43297	500	1	The	the	DT
43297	500	2	latter	latter	JJ
43297	500	3	are	be	VBP
43297	500	4	,	,	,
43297	500	5	however	however	RB
43297	500	6	,	,	,
43297	500	7	but	but	CC
43297	500	8	slightly	slightly	RB
43297	500	9	plastic	plastic	NN
43297	500	10	whilst	whilst	IN
43297	500	11	the	the	DT
43297	500	12	ball	ball	NN
43297	500	13	clays	clay	NNS
43297	500	14	are	be	VBP
43297	500	15	amongst	amongst	IN
43297	500	16	the	the	DT
43297	500	17	most	most	RBS
43297	500	18	plastic	plastic	NN
43297	500	19	clays	clay	NNS
43297	500	20	known	know	VBN
43297	500	21	.	.	.
43297	501	1	The	the	DT
43297	501	2	china	china	NNP
43297	501	3	clays	clay	NNS
43297	501	4	are	be	VBP
43297	501	5	also	also	RB
43297	501	6	much	much	RB
43297	501	7	more	more	RBR
43297	501	8	refractory	refractory	JJ
43297	501	9	than	than	IN
43297	501	10	the	the	DT
43297	501	11	ball	ball	NN
43297	501	12	clays	clay	NNS
43297	501	13	owing	owe	VBG
43297	501	14	to	to	IN
43297	501	15	the	the	DT
43297	501	16	somewhat	somewhat	RB
43297	501	17	larger	large	JJR
43297	501	18	proportion	proportion	NN
43297	501	19	of	of	IN
43297	501	20	alkalies	alkali	NNS
43297	501	21	in	in	IN
43297	501	22	the	the	DT
43297	501	23	latter	latter	JJ
43297	501	24	.	.	.
43297	502	1	_	_	NNP
43297	502	2	Pipe	Pipe	NNP
43297	502	3	clays	clay	NNS
43297	502	4	_	_	NNP
43297	502	5	are	be	VBP
43297	502	6	an	an	DT
43297	502	7	inferior	inferior	JJ
43297	502	8	quality	quality	NN
43297	502	9	of	of	IN
43297	502	10	ball	ball	NN
43297	502	11	clay	clay	NN
43297	502	12	;	;	:
43297	502	13	they	-PRON-	PRP
43297	502	14	contain	contain	VBP
43297	502	15	rather	rather	RB
43297	502	16	more	more	JJR
43297	502	17	iron	iron	NN
43297	502	18	and	and	CC
43297	502	19	alkalies	alkali	NNS
43297	502	20	and	and	CC
43297	502	21	considerably	considerably	RB
43297	502	22	more	more	JJR
43297	502	23	silica	silica	NN
43297	502	24	.	.	.
43297	503	1	For	for	IN
43297	503	2	this	this	DT
43297	503	3	reason	reason	NN
43297	503	4	they	-PRON-	PRP
43297	503	5	can	can	MD
43297	503	6	only	only	RB
43297	503	7	be	be	VB
43297	503	8	used	use	VBN
43297	503	9	for	for	IN
43297	503	10	cheaper	cheap	JJR
43297	503	11	wares	ware	NNS
43297	503	12	where	where	WRB
43297	503	13	colour	colour	NN
43297	503	14	is	be	VBZ
43297	503	15	of	of	IN
43297	503	16	less	less	JJR
43297	503	17	importance	importance	NN
43297	503	18	and	and	CC
43297	503	19	where	where	WRB
43297	503	20	their	-PRON-	PRP$
43297	503	21	excessive	excessive	JJ
43297	503	22	contraction	contraction	NN
43297	503	23	can	can	MD
43297	503	24	be	be	VB
43297	503	25	neutralized	neutralize	VBN
43297	503	26	by	by	IN
43297	503	27	the	the	DT
43297	503	28	addition	addition	NN
43297	503	29	of	of	IN
43297	503	30	other	other	JJ
43297	503	31	substances	substance	NNS
43297	503	32	such	such	JJ
43297	503	33	as	as	IN
43297	503	34	flint	flint	NN
43297	503	35	.	.	.
43297	504	1	The	the	DT
43297	504	2	=	=	SYM
43297	504	3	Boulder	Boulder	NNP
43297	504	4	clays=	clays=	NN
43297	504	5	occur	occur	VB
43297	504	6	in	in	IN
43297	504	7	a	a	DT
43297	504	8	blanket	blanket	NN
43297	504	9	-	-	HYPH
43297	504	10	like	like	JJ
43297	504	11	covering	covering	NN
43297	504	12	of	of	IN
43297	504	13	Drift	Drift	NNP
43297	504	14	which	which	WDT
43297	504	15	lies	lie	VBZ
43297	504	16	over	over	IN
43297	504	17	the	the	DT
43297	504	18	greater	great	JJR
43297	504	19	part	part	NN
43297	504	20	of	of	IN
43297	504	21	Northern	Northern	NNP
43297	504	22	and	and	CC
43297	504	23	Central	Central	NNP
43297	504	24	England	England	NNP
43297	504	25	,	,	,
43297	504	26	and	and	CC
43297	504	27	over	over	IN
43297	504	28	a	a	DT
43297	504	29	considerable	considerable	JJ
43297	504	30	portion	portion	NN
43297	504	31	of	of	IN
43297	504	32	Scotland	Scotland	NNP
43297	504	33	and	and	CC
43297	504	34	Ireland	Ireland	NNP
43297	504	35	.	.	.
43297	505	1	They	-PRON-	PRP
43297	505	2	are	be	VBP
43297	505	3	a	a	DT
43297	505	4	product	product	NN
43297	505	5	of	of	IN
43297	505	6	the	the	DT
43297	505	7	Ice	Ice	NNP
43297	505	8	Age	Age	NNP
43297	505	9	and	and	CC
43297	505	10	,	,	,
43297	505	11	whilst	whilst	IN
43297	505	12	varying	vary	VBG
43297	505	13	greatly	greatly	RB
43297	505	14	in	in	IN
43297	505	15	character	character	NN
43297	505	16	,	,	,
43297	505	17	may	may	MD
43297	505	18	usually	usually	RB
43297	505	19	be	be	VB
43297	505	20	distinguished	distinguish	VBN
43297	505	21	by	by	IN
43297	505	22	the	the	DT
43297	505	23	occurrence	occurrence	NN
43297	505	24	in	in	IN
43297	505	25	them	-PRON-	PRP
43297	505	26	of	of	IN
43297	505	27	rounded	rounded	JJ
43297	505	28	stones	stone	NNS
43297	505	29	and	and	CC
43297	505	30	gravel	gravel	NN
43297	505	31	,	,	,
43297	505	32	some	some	DT
43297	505	33	of	of	IN
43297	505	34	the	the	DT
43297	505	35	former	former	JJ
43297	505	36	bearing	bearing	NN
43297	505	37	clear	clear	JJ
43297	505	38	indications	indication	NNS
43297	505	39	of	of	IN
43297	505	40	glacial	glacial	JJ
43297	505	41	action	action	NN
43297	505	42	.	.	.
43297	506	1	The	the	DT
43297	506	2	boulder	boulder	NN
43297	506	3	clays	clay	NNS
43297	506	4	are	be	VBP
43297	506	5	largely	largely	RB
43297	506	6	used	use	VBN
43297	506	7	for	for	IN
43297	506	8	the	the	DT
43297	506	9	manufacture	manufacture	NN
43297	506	10	of	of	IN
43297	506	11	building	build	VBG
43297	506	12	bricks	brick	NNS
43297	506	13	,	,	,
43297	506	14	but	but	CC
43297	506	15	the	the	DT
43297	506	16	strata	strata	NN
43297	506	17	in	in	IN
43297	506	18	which	which	WDT
43297	506	19	they	-PRON-	PRP
43297	506	20	occur	occur	VBP
43297	506	21	are	be	VBP
43297	506	22	so	so	RB
43297	506	23	irregular	irregular	JJ
43297	506	24	that	that	IN
43297	506	25	very	very	RB
43297	506	26	careful	careful	JJ
43297	506	27	supervision	supervision	NN
43297	506	28	of	of	IN
43297	506	29	the	the	DT
43297	506	30	digging	digging	NN
43297	506	31	is	be	VBZ
43297	506	32	necessary	necessary	JJ
43297	506	33	.	.	.
43297	507	1	In	in	IN
43297	507	2	some	some	DT
43297	507	3	localities	locality	NNS
43297	507	4	these	these	DT
43297	507	5	clays	clay	NNS
43297	507	6	form	form	VBP
43297	507	7	beds	bed	NNS
43297	507	8	12	12	CD
43297	507	9	ft	ft	NN
43297	507	10	.	.	.
43297	507	11	or	or	CC
43297	507	12	more	more	JJR
43297	507	13	in	in	IN
43297	507	14	thickness	thickness	NN
43297	507	15	and	and	CC
43297	507	16	relatively	relatively	RB
43297	507	17	free	free	JJ
43297	507	18	from	from	IN
43297	507	19	gravel	gravel	NN
43297	507	20	;	;	:
43297	507	21	in	in	IN
43297	507	22	other	other	JJ
43297	507	23	districts	district	NNS
43297	507	24	the	the	DT
43297	507	25	clay	clay	NN
43297	507	26	is	be	VBZ
43297	507	27	interspersed	intersperse	VBN
43297	507	28	with	with	IN
43297	507	29	lenticular	lenticular	JJ
43297	507	30	deposits	deposit	NNS
43297	507	31	of	of	IN
43297	507	32	gravel	gravel	NN
43297	507	33	or	or	CC
43297	507	34	sand	sand	NN
43297	507	35	(	(	-LRB-
43297	507	36	commonly	commonly	RB
43297	507	37	known	know	VBN
43297	507	38	as	as	IN
43297	507	39	'	'	``
43297	507	40	pockets	pocket	NNS
43297	507	41	'	'	''
43297	507	42	)	)	-RRB-
43297	507	43	,	,	,
43297	507	44	and	and	CC
43297	507	45	if	if	IN
43297	507	46	these	these	DT
43297	507	47	are	be	VBP
43297	507	48	mixed	mix	VBN
43297	507	49	with	with	IN
43297	507	50	the	the	DT
43297	507	51	clay	clay	NN
43297	507	52	considerable	considerable	JJ
43297	507	53	difficulty	difficulty	NN
43297	507	54	in	in	IN
43297	507	55	manufacture	manufacture	NN
43297	507	56	may	may	MD
43297	507	57	be	be	VB
43297	507	58	experienced	experience	VBN
43297	507	59	.	.	.
43297	508	1	The	the	DT
43297	508	2	total	total	JJ
43297	508	3	thickness	thickness	NN
43297	508	4	of	of	IN
43297	508	5	the	the	DT
43297	508	6	drift	drift	NN
43297	508	7	deposits	deposit	NNS
43297	508	8	is	be	VBZ
43297	508	9	often	often	RB
43297	508	10	very	very	RB
43297	508	11	great	great	JJ
43297	508	12	,	,	,
43297	508	13	as	as	IN
43297	508	14	in	in	IN
43297	508	15	the	the	DT
43297	508	16	cliffs	cliff	NNS
43297	508	17	at	at	IN
43297	508	18	Filey	Filey	NNP
43297	508	19	(	(	-LRB-
43297	508	20	fig	fig	NN
43297	508	21	.	.	.
43297	509	1	11	11	LS
43297	509	2	)	)	-RRB-
43297	509	3	which	which	WDT
43297	509	4	are	be	VBP
43297	509	5	200	200	CD
43297	509	6	ft	ft	NN
43297	509	7	.	.	NN
43297	509	8	high	high	JJ
43297	509	9	.	.	.
43297	510	1	[	[	-LRB-
43297	510	2	Illustration	illustration	NN
43297	510	3	:	:	:
43297	510	4	Fig	Fig	NNP
43297	510	5	.	.	.
43297	511	1	11	11	CD
43297	511	2	.	.	.
43297	512	1	Cliffs	cliff	NNS
43297	512	2	of	of	IN
43297	512	3	Boulder	Boulder	NNP
43297	512	4	clay	clay	NN
43297	512	5	at	at	IN
43297	512	6	Filey	Filey	NNP
43297	512	7	lying	lie	VBG
43297	512	8	on	on	IN
43297	512	9	Calcareous	Calcareous	NNP
43297	512	10	Crag	Crag	NNP
43297	512	11	.	.	.
43297	512	12	]	]	-RRB-
43297	513	1	The	the	DT
43297	513	2	boulder	boulder	NN
43297	513	3	clays	clay	NNS
43297	513	4	--	--	:
43297	513	5	considered	consider	VBN
43297	513	6	apart	apart	RB
43297	513	7	from	from	IN
43297	513	8	the	the	DT
43297	513	9	stones	stone	NNS
43297	513	10	,	,	,
43297	513	11	gravel	gravel	NN
43297	513	12	and	and	CC
43297	513	13	sandy	sandy	JJ
43297	513	14	materials	material	NNS
43297	513	15	occurring	occur	VBG
43297	513	16	with	with	IN
43297	513	17	them	-PRON-	PRP
43297	513	18	--	--	:
43297	513	19	are	be	VBP
43297	513	20	usually	usually	RB
43297	513	21	red	red	JJ
43297	513	22	-	-	HYPH
43297	513	23	burning	burn	VBG
43297	513	24	,	,	,
43297	513	25	stiff	stiff	JJ
43297	513	26	and	and	CC
43297	513	27	very	very	RB
43297	513	28	plastic	plastic	JJ
43297	513	29	,	,	,
43297	513	30	but	but	CC
43297	513	31	the	the	DT
43297	513	32	gravel	gravel	NN
43297	513	33	,	,	,
43297	513	34	sand	sand	NN
43297	513	35	and	and	CC
43297	513	36	crushed	crush	VBD
43297	513	37	stones	stone	NNS
43297	513	38	mixed	mix	VBN
43297	513	39	with	with	IN
43297	513	40	them	-PRON-	PRP
43297	513	41	in	in	IN
43297	513	42	the	the	DT
43297	513	43	formation	formation	NN
43297	513	44	of	of	IN
43297	513	45	the	the	DT
43297	513	46	material	material	NN
43297	513	47	usually	usually	RB
43297	513	48	render	render	VBP
43297	513	49	them	-PRON-	PRP
43297	513	50	of	of	IN
43297	513	51	medium	medium	JJ
43297	513	52	plasticity	plasticity	NN
43297	513	53	.	.	.
43297	514	1	By	by	IN
43297	514	2	careful	careful	JJ
43297	514	3	washing	washing	NN
43297	514	4	,	,	,
43297	514	5	most	most	JJS
43297	514	6	boulder	boulder	NN
43297	514	7	clays	clay	NNS
43297	514	8	may	may	MD
43297	514	9	be	be	VB
43297	514	10	purified	purify	VBN
43297	514	11	sufficiently	sufficiently	RB
43297	514	12	to	to	TO
43297	514	13	enable	enable	VB
43297	514	14	coarse	coarse	JJ
43297	514	15	brown	brown	JJ
43297	514	16	pottery	pottery	NN
43297	514	17	to	to	TO
43297	514	18	be	be	VB
43297	514	19	made	make	VBN
43297	514	20	from	from	IN
43297	514	21	them	-PRON-	PRP
43297	514	22	.	.	.
43297	515	1	Clean	clean	JJ
43297	515	2	deposits	deposit	NNS
43297	515	3	of	of	IN
43297	515	4	sufficient	sufficient	JJ
43297	515	5	size	size	NN
43297	515	6	to	to	TO
43297	515	7	be	be	VB
43297	515	8	worked	work	VBN
43297	515	9	without	without	IN
43297	515	10	any	any	DT
43297	515	11	purification	purification	NN
43297	515	12	are	be	VBP
43297	515	13	occasionally	occasionally	RB
43297	515	14	found	find	VBN
43297	515	15	.	.	.
43297	516	1	Usually	usually	RB
43297	516	2	,	,	,
43297	516	3	however	however	RB
43297	516	4	,	,	,
43297	516	5	the	the	DT
43297	516	6	boulder	boulder	NN
43297	516	7	clay	clay	NN
43297	516	8	formation	formation	NN
43297	516	9	is	be	VBZ
43297	516	10	somewhat	somewhat	RB
43297	516	11	treacherous	treacherous	JJ
43297	516	12	as	as	IN
43297	516	13	it	-PRON-	PRP
43297	516	14	is	be	VBZ
43297	516	15	difficult	difficult	JJ
43297	516	16	to	to	TO
43297	516	17	ascertain	ascertain	VB
43297	516	18	its	-PRON-	PRP$
43297	516	19	nature	nature	NN
43297	516	20	;	;	:
43297	516	21	boreholes	borehole	NNS
43297	516	22	are	be	VBP
43297	516	23	apt	apt	JJ
43297	516	24	to	to	TO
43297	516	25	be	be	VB
43297	516	26	quite	quite	RB
43297	516	27	misleading	misleading	JJ
43297	516	28	as	as	IN
43297	516	29	the	the	DT
43297	516	30	formation	formation	NN
43297	516	31	is	be	VBZ
43297	516	32	so	so	RB
43297	516	33	irregular	irregular	JJ
43297	516	34	in	in	IN
43297	516	35	character	character	NN
43297	516	36	.	.	.
43297	517	1	Agriculturally	agriculturally	RB
43297	517	2	,	,	,
43297	517	3	drift	drift	NN
43297	517	4	or	or	CC
43297	517	5	boulder	boulder	NN
43297	517	6	clays	clay	NNS
43297	517	7	are	be	VBP
43297	517	8	poor	poor	JJ
43297	517	9	soils	soil	NNS
43297	517	10	,	,	,
43297	517	11	but	but	CC
43297	517	12	by	by	IN
43297	517	13	judicious	judicious	JJ
43297	517	14	management	management	NN
43297	517	15	and	and	CC
43297	517	16	careful	careful	JJ
43297	517	17	mixing	mixing	NN
43297	517	18	they	-PRON-	PRP
43297	517	19	may	may	MD
43297	517	20	be	be	VB
43297	517	21	made	make	VBN
43297	517	22	more	more	RBR
43297	517	23	fertile	fertile	JJ
43297	517	24	.	.	.
43297	518	1	Where	where	WRB
43297	518	2	it	-PRON-	PRP
43297	518	3	contains	contain	VBZ
43297	518	4	chalk	chalk	JJ
43297	518	5	--	--	:
43297	518	6	as	as	IN
43297	518	7	in	in	IN
43297	518	8	Norfolk	Norfolk	NNP
43297	518	9	and	and	CC
43297	518	10	Suffolk	Suffolk	NNP
43297	518	11	--	--	:
43297	518	12	boulder	boulder	NN
43297	518	13	drift	drift	NN
43297	518	14	forms	form	VBZ
43297	518	15	an	an	DT
43297	518	16	excellent	excellent	JJ
43297	518	17	arable	arable	JJ
43297	518	18	soil	soil	NN
43297	518	19	.	.	.
43297	519	1	=	=	NFP
43297	519	2	Pleistocene	Pleistocene	NNP
43297	519	3	or	or	CC
43297	519	4	Recent	recent	JJ
43297	519	5	clays=	clays=	NN
43297	519	6	are	be	VBP
43297	519	7	amongst	amongst	IN
43297	519	8	the	the	DT
43297	519	9	most	most	RBS
43297	519	10	important	important	JJ
43297	519	11	brickmaking	brickmake	VBG
43297	519	12	materials	material	NNS
43297	519	13	in	in	IN
43297	519	14	the	the	DT
43297	519	15	South	South	NNP
43297	519	16	of	of	IN
43297	519	17	England	England	NNP
43297	519	18	.	.	.
43297	520	1	They	-PRON-	PRP
43297	520	2	are	be	VBP
43297	520	3	of	of	IN
43297	520	4	remarkably	remarkably	RB
43297	520	5	varied	varied	JJ
43297	520	6	character	character	NN
43297	520	7	,	,	,
43297	520	8	having	have	VBG
43297	520	9	been	be	VBN
43297	520	10	derived	derive	VBN
43297	520	11	from	from	IN
43297	520	12	a	a	DT
43297	520	13	number	number	NN
43297	520	14	of	of	IN
43297	520	15	other	other	JJ
43297	520	16	formations	formation	NNS
43297	520	17	.	.	.
43297	521	1	Usually	usually	RB
43297	521	2	the	the	DT
43297	521	3	deposits	deposit	NNS
43297	521	4	are	be	VBP
43297	521	5	somewhat	somewhat	RB
43297	521	6	shallow	shallow	JJ
43297	521	7	and	and	CC
43297	521	8	irregular	irregular	JJ
43297	521	9	in	in	IN
43297	521	10	form	form	NN
43297	521	11	,	,	,
43297	521	12	but	but	CC
43297	521	13	beds	bed	NNS
43297	521	14	of	of	IN
43297	521	15	considerable	considerable	JJ
43297	521	16	thickness	thickness	NN
43297	521	17	occur	occur	VBP
43297	521	18	in	in	IN
43297	521	19	some	some	DT
43297	521	20	localities	locality	NNS
43297	521	21	.	.	.
43297	522	1	Agriculturally	agriculturally	RB
43297	522	2	,	,	,
43297	522	3	they	-PRON-	PRP
43297	522	4	are	be	VBP
43297	522	5	of	of	IN
43297	522	6	considerable	considerable	JJ
43297	522	7	importance	importance	NN
43297	522	8	.	.	.
43297	523	1	Most	Most	JJS
43297	523	2	of	of	IN
43297	523	3	the	the	DT
43297	523	4	=	=	SYM
43297	523	5	brick	brick	NN
43297	523	6	earths=	earths=	VBN
43297	523	7	used	use	VBN
43297	523	8	in	in	IN
43297	523	9	the	the	DT
43297	523	10	south	south	JJ
43297	523	11	-	-	HYPH
43297	523	12	east	east	NN
43297	523	13	of	of	IN
43297	523	14	England	England	NNP
43297	523	15	are	be	VBP
43297	523	16	of	of	IN
43297	523	17	Recent	recent	JJ
43297	523	18	formation	formation	NN
43297	523	19	,	,	,
43297	523	20	those	those	DT
43297	523	21	of	of	IN
43297	523	22	the	the	DT
43297	523	23	Thames	Thames	NNP
43297	523	24	Valley	Valley	NNP
43297	523	25	being	be	VBG
43297	523	26	of	of	IN
43297	523	27	special	special	JJ
43297	523	28	importance	importance	NN
43297	523	29	in	in	IN
43297	523	30	this	this	DT
43297	523	31	connection	connection	NN
43297	523	32	,	,	,
43297	523	33	particularly	particularly	RB
43297	523	34	where	where	WRB
43297	523	35	they	-PRON-	PRP
43297	523	36	are	be	VBP
43297	523	37	associated	associate	VBN
43297	523	38	with	with	IN
43297	523	39	chalk	chalk	NN
43297	523	40	;	;	:
43297	523	41	thus	thus	RB
43297	523	42	forming	form	VBG
43297	523	43	natural	natural	JJ
43297	523	44	_	_	NNP
43297	523	45	marls	marl	NNS
43297	523	46	_	_	NNP
43297	523	47	or	or	CC
43297	523	48	enabling	enable	VBG
43297	523	49	artificial	artificial	JJ
43297	523	50	marls	marl	NNS
43297	523	51	to	to	TO
43297	523	52	be	be	VB
43297	523	53	produced	produce	VBN
43297	523	54	.	.	.
43297	524	1	The	the	DT
43297	524	2	brick	brick	NN
43297	524	3	earths	earth	VBZ
43297	524	4	--	--	:
43297	524	5	in	in	IN
43297	524	6	the	the	DT
43297	524	7	sense	sense	NN
43297	524	8	in	in	IN
43297	524	9	which	which	WDT
43297	524	10	this	this	DT
43297	524	11	term	term	NN
43297	524	12	is	be	VBZ
43297	524	13	used	use	VBN
43297	524	14	in	in	IN
43297	524	15	the	the	DT
43297	524	16	south	south	NN
43297	524	17	--	--	:
43297	524	18	comprise	comprise	VB
43297	524	19	three	three	CD
43297	524	20	important	important	JJ
43297	524	21	types	type	NNS
43297	524	22	of	of	IN
43297	524	23	clay	clay	NN
43297	524	24	:	:	:
43297	524	25	(	(	-LRB-
43297	524	26	_	_	NNP
43297	524	27	a	a	DT
43297	524	28	_	_	NNP
43297	524	29	)	)	-RRB-
43297	524	30	_	_	NNP
43297	524	31	Plastic	Plastic	NNP
43297	524	32	clays	clay	NNS
43297	524	33	_	_	NNP
43297	524	34	not	not	RB
43297	524	35	particularly	particularly	RB
43297	524	36	differentiated	differentiate	VBN
43297	524	37	from	from	IN
43297	524	38	those	those	DT
43297	524	39	already	already	RB
43297	524	40	described	describe	VBN
43297	524	41	,	,	,
43297	524	42	(	(	-LRB-
43297	524	43	_	_	NNP
43297	524	44	b	b	NNP
43297	524	45	_	_	NNP
43297	524	46	)	)	-RRB-
43297	524	47	_	_	NNP
43297	524	48	Loams	Loams	NNP
43297	524	49	_	_	NNP
43297	524	50	or	or	CC
43297	524	51	sandy	sandy	JJ
43297	524	52	clays	clay	NNS
43297	524	53	which	which	WDT
43297	524	54	are	be	VBP
43297	524	55	sufficiently	sufficiently	RB
43297	524	56	plastic	plastic	NN
43297	524	57	for	for	IN
43297	524	58	satisfactory	satisfactory	JJ
43297	524	59	use	use	NN
43297	524	60	,	,	,
43297	524	61	have	have	VBP
43297	524	62	the	the	DT
43297	524	63	advantage	advantage	NN
43297	524	64	of	of	IN
43297	524	65	shrinking	shrink	VBG
43297	524	66	but	but	CC
43297	524	67	slightly	slightly	RB
43297	524	68	in	in	IN
43297	524	69	drying	drying	NN
43297	524	70	,	,	,
43297	524	71	and	and	CC
43297	524	72	are	be	VBP
43297	524	73	largely	largely	RB
43297	524	74	used	use	VBN
43297	524	75	in	in	IN
43297	524	76	the	the	DT
43297	524	77	manufacture	manufacture	NN
43297	524	78	of	of	IN
43297	524	79	red	red	JJ
43297	524	80	facing	face	VBG
43297	524	81	bricks	brick	NNS
43297	524	82	and	and	CC
43297	524	83	as	as	IN
43297	524	84	light	light	JJ
43297	524	85	soils	soil	NNS
43297	524	86	,	,	,
43297	524	87	and	and	CC
43297	524	88	(	(	-LRB-
43297	524	89	_	_	NNP
43297	524	90	c	c	NNP
43297	524	91	_	_	NNP
43297	524	92	)	)	-RRB-
43297	524	93	_	_	NNP
43297	524	94	Marls	Marls	NNP
43297	524	95	_	_	NNP
43297	524	96	or	or	CC
43297	524	97	calcareous	calcareous	JJ
43297	524	98	clays	clay	NNS
43297	524	99	,	,	,
43297	524	100	used	use	VBN
43297	524	101	for	for	IN
43297	524	102	the	the	DT
43297	524	103	production	production	NN
43297	524	104	of	of	IN
43297	524	105	light	light	NN
43297	524	106	coloured	coloured	JJ
43297	524	107	or	or	CC
43297	524	108	white	white	JJ
43297	524	109	bricks	brick	NNS
43297	524	110	,	,	,
43297	524	111	the	the	DT
43297	524	112	chalk	chalk	NN
43297	524	113	they	-PRON-	PRP
43297	524	114	contain	contain	VBP
43297	524	115	combining	combine	VBG
43297	524	116	with	with	IN
43297	524	117	any	any	DT
43297	524	118	iron	iron	NN
43297	524	119	compounds	compound	NNS
43297	524	120	present	present	JJ
43297	524	121	and	and	CC
43297	524	122	,	,	,
43297	524	123	at	at	IN
43297	524	124	the	the	DT
43297	524	125	same	same	JJ
43297	524	126	time	time	NN
43297	524	127	,	,	,
43297	524	128	reducing	reduce	VBG
43297	524	129	the	the	DT
43297	524	130	contractility	contractility	NN
43297	524	131	of	of	IN
43297	524	132	the	the	DT
43297	524	133	clay	clay	NN
43297	524	134	.	.	.
43297	525	1	On	on	IN
43297	525	2	burning	burn	VBG
43297	525	3	,	,	,
43297	525	4	they	-PRON-	PRP
43297	525	5	form	form	VBP
43297	525	6	a	a	DT
43297	525	7	cement	cement	NN
43297	525	8	which	which	WDT
43297	525	9	binds	bind	VBZ
43297	525	10	the	the	DT
43297	525	11	particles	particle	NNS
43297	525	12	into	into	IN
43297	525	13	a	a	DT
43297	525	14	strong	strong	JJ
43297	525	15	mass	mass	NN
43297	525	16	.	.	.
43297	526	1	These	these	DT
43297	526	2	are	be	VBP
43297	526	3	the	the	DT
43297	526	4	'	'	``
43297	526	5	true	true	JJ
43297	526	6	marls	marl	NNS
43297	526	7	'	'	POS
43297	526	8	or	or	CC
43297	526	9	'	'	``
43297	526	10	malms	malm	NNS
43297	526	11	'	'	POS
43297	526	12	composed	compose	VBN
43297	526	13	of	of	IN
43297	526	14	clay	clay	NN
43297	526	15	and	and	CC
43297	526	16	chalk	chalk	NN
43297	526	17	and	and	CC
43297	526	18	must	must	MD
43297	526	19	not	not	RB
43297	526	20	be	be	VB
43297	526	21	confused	confuse	VBN
43297	526	22	with	with	IN
43297	526	23	the	the	DT
43297	526	24	so	so	RB
43297	526	25	-	-	HYPH
43297	526	26	called	call	VBN
43297	526	27	marls	marl	NNS
43297	526	28	of	of	IN
43297	526	29	Staffordshire	Staffordshire	NNP
43297	526	30	and	and	CC
43297	526	31	elsewhere	elsewhere	RB
43297	526	32	which	which	WDT
43297	526	33	are	be	VBP
43297	526	34	almost	almost	RB
43297	526	35	free	free	JJ
43297	526	36	from	from	IN
43297	526	37	lime	lime	JJ
43297	526	38	compounds	compound	NNS
43297	526	39	.	.	.
43297	527	1	There	there	EX
43297	527	2	is	be	VBZ
43297	527	3	,	,	,
43297	527	4	at	at	IN
43297	527	5	present	present	NN
43297	527	6	,	,	,
43297	527	7	no	no	DT
43297	527	8	definition	definition	NN
43297	527	9	of	of	IN
43297	527	10	'	'	``
43297	527	11	marl	marl	NNP
43297	527	12	'	'	''
43297	527	13	which	which	WDT
43297	527	14	is	be	VBZ
43297	527	15	quite	quite	RB
43297	527	16	satisfactory	satisfactory	JJ
43297	527	17	;	;	:
43297	527	18	a	a	DT
43297	527	19	maker	maker	NN
43297	527	20	of	of	IN
43297	527	21	London	London	NNP
43297	527	22	stock	stock	NN
43297	527	23	bricks	brick	NNS
43297	527	24	understanding	understand	VBG
43297	527	25	by	by	IN
43297	527	26	this	this	DT
43297	527	27	term	term	NN
43297	527	28	a	a	DT
43297	527	29	clay	clay	NN
43297	527	30	containing	contain	VBG
43297	527	31	at	at	RB
43297	527	32	least	least	JJS
43297	527	33	10	10	CD
43297	527	34	per	per	NN
43297	527	35	cent	cent	NN
43297	527	36	.	.	.
43297	528	1	of	of	IN
43297	528	2	chalk	chalk	NNP
43297	528	3	;	;	:
43297	528	4	a	a	DT
43297	528	5	maker	maker	NN
43297	528	6	of	of	IN
43297	528	7	white	white	JJ
43297	528	8	Suffolk	Suffolk	NNP
43297	528	9	bricks	brick	VBZ
43297	528	10	a	a	DT
43297	528	11	material	material	NN
43297	528	12	containing	contain	VBG
43297	528	13	at	at	IN
43297	528	14	least	least	JJS
43297	528	15	twice	twice	RB
43297	528	16	this	this	DT
43297	528	17	amount	amount	NN
43297	528	18	;	;	:
43297	528	19	an	an	DT
43297	528	20	agriculturalist	agriculturalist	NN
43297	528	21	any	any	DT
43297	528	22	soil	soil	NN
43297	528	23	,	,	,
43297	528	24	not	not	RB
43297	528	25	obviously	obviously	RB
43297	528	26	sandy	sandy	JJ
43297	528	27	,	,	,
43297	528	28	which	which	WDT
43297	528	29	will	will	MD
43297	528	30	make	make	VB
43297	528	31	his	-PRON-	PRP$
43297	528	32	clay	clay	NN
43297	528	33	land	land	NN
43297	528	34	less	less	RBR
43297	528	35	sticky	sticky	JJ
43297	528	36	;	;	:
43297	528	37	and	and	CC
43297	528	38	many	many	JJ
43297	528	39	geologists	geologist	NNS
43297	528	40	any	any	DT
43297	528	41	friable	friable	JJ
43297	528	42	argillaceous	argillaceous	JJ
43297	528	43	earths	earth	NNS
43297	528	44	.	.	.
43297	529	1	A	a	DT
43297	529	2	general	general	JJ
43297	529	3	consensus	consensus	NN
43297	529	4	of	of	IN
43297	529	5	opinion	opinion	NN
43297	529	6	is	be	VBZ
43297	529	7	,	,	,
43297	529	8	however	however	RB
43297	529	9	,	,	,
43297	529	10	being	be	VBG
43297	529	11	gradually	gradually	RB
43297	529	12	reached	reach	VBN
43297	529	13	that	that	IN
43297	529	14	the	the	DT
43297	529	15	term	term	NN
43297	529	16	'	'	``
43297	529	17	marl	marl	NN
43297	529	18	'	'	''
43297	529	19	should	should	MD
43297	529	20	be	be	VB
43297	529	21	limited	limit	VBN
43297	529	22	,	,	,
43297	529	23	as	as	RB
43297	529	24	far	far	RB
43297	529	25	as	as	IN
43297	529	26	possible	possible	JJ
43297	529	27	,	,	,
43297	529	28	to	to	IN
43297	529	29	clays	clay	NNS
43297	529	30	containing	contain	VBG
43297	529	31	calcium	calcium	NN
43297	529	32	carbonate	carbonate	NN
43297	529	33	in	in	IN
43297	529	34	a	a	DT
43297	529	35	finely	finely	RB
43297	529	36	divided	divide	VBN
43297	529	37	state	state	NN
43297	529	38	.	.	.
43297	530	1	=	=	NFP
43297	530	2	Alluvial	alluvial	JJ
43297	530	3	deposits=--which	deposits=--which	NNS
43297	530	4	are	be	VBP
43297	530	5	also	also	RB
43297	530	6	of	of	IN
43297	530	7	Recent	recent	JJ
43297	530	8	formation	formation	NN
43297	530	9	,	,	,
43297	530	10	though	though	IN
43297	530	11	still	still	RB
43297	530	12	of	of	IN
43297	530	13	sufficient	sufficient	JJ
43297	530	14	age	age	NN
43297	530	15	for	for	IN
43297	530	16	skeletons	skeleton	NNS
43297	530	17	of	of	IN
43297	530	18	mammoths	mammoth	NNS
43297	530	19	to	to	TO
43297	530	20	be	be	VB
43297	530	21	found	find	VBN
43297	530	22	in	in	IN
43297	530	23	them	-PRON-	PRP
43297	530	24	--	--	:
43297	530	25	are	be	VBP
43297	530	26	of	of	IN
43297	530	27	so	so	RB
43297	530	28	variable	variable	JJ
43297	530	29	a	a	DT
43297	530	30	nature	nature	NN
43297	530	31	as	as	IN
43297	530	32	to	to	TO
43297	530	33	render	render	VB
43297	530	34	any	any	DT
43297	530	35	brief	brief	JJ
43297	530	36	,	,	,
43297	530	37	general	general	JJ
43297	530	38	description	description	NN
43297	530	39	impossible	impossible	JJ
43297	530	40	.	.	.
43297	531	1	Many	many	JJ
43297	531	2	of	of	IN
43297	531	3	them	-PRON-	PRP
43297	531	4	are	be	VBP
43297	531	5	so	so	RB
43297	531	6	contaminated	contaminate	VBN
43297	531	7	with	with	IN
43297	531	8	sand	sand	NN
43297	531	9	and	and	CC
43297	531	10	crushed	crush	VBD
43297	531	11	limestone	limestone	NN
43297	531	12	as	as	IN
43297	531	13	to	to	TO
43297	531	14	be	be	VB
43297	531	15	useless	useless	JJ
43297	531	16	for	for	IN
43297	531	17	manufacturing	manufacture	VBG
43297	531	18	purposes	purpose	NNS
43297	531	19	and	and	CC
43297	531	20	of	of	IN
43297	531	21	small	small	JJ
43297	531	22	value	value	NN
43297	531	23	agriculturally	agriculturally	RB
43297	531	24	,	,	,
43297	531	25	but	but	CC
43297	531	26	others	other	NNS
43297	531	27	are	be	VBP
43297	531	28	important	important	JJ
43297	531	29	in	in	IN
43297	531	30	both	both	PDT
43297	531	31	these	these	DT
43297	531	32	respects	respect	NNS
43297	531	33	.	.	.
43297	532	1	Further	further	JJ
43297	532	2	details	detail	NNS
43297	532	3	of	of	IN
43297	532	4	the	the	DT
43297	532	5	occurrence	occurrence	NN
43297	532	6	of	of	IN
43297	532	7	clays	clay	NNS
43297	532	8	in	in	IN
43297	532	9	the	the	DT
43297	532	10	various	various	JJ
43297	532	11	formations	formation	NNS
43297	532	12	described	describe	VBN
43297	532	13	will	will	MD
43297	532	14	be	be	VB
43297	532	15	found	find	VBN
43297	532	16	in	in	IN
43297	532	17	the	the	DT
43297	532	18	_	_	NNP
43297	532	19	Maps	Maps	NNPS
43297	532	20	and	and	CC
43297	532	21	Memoirs	Memoirs	NNPS
43297	532	22	of	of	IN
43297	532	23	the	the	DT
43297	532	24	Geological	Geological	NNP
43297	532	25	Survey	Survey	NNP
43297	532	26	_	_	NNP
43297	532	27	and	and	CC
43297	532	28	in	in	IN
43297	532	29	the	the	DT
43297	532	30	author	author	NN
43297	532	31	's	's	POS
43297	532	32	_	_	NNP
43297	532	33	British	British	NNP
43297	532	34	Clays	Clays	NNP
43297	532	35	_	_	NNP
43297	532	36	(	(	-LRB-
43297	532	37	2	2	CD
43297	532	38	)	)	-RRB-
43297	532	39	.	.	.
43297	533	1	CHAPTER	CHAPTER	NNP
43297	533	2	III	III	NNP
43297	533	3	THE	the	DT
43297	533	4	ORIGINS	origin	NNS
43297	533	5	OF	of	IN
43297	533	6	CLAYS	clay	NNS
43297	533	7	The	the	DT
43297	533	8	terms	term	NNS
43297	533	9	'	'	POS
43297	533	10	primary	primary	JJ
43297	533	11	'	'	''
43297	533	12	and	and	CC
43297	533	13	'	'	``
43297	533	14	residual	residual	JJ
43297	533	15	'	'	''
43297	533	16	are	be	VBP
43297	533	17	applied	apply	VBN
43297	533	18	to	to	IN
43297	533	19	those	those	DT
43297	533	20	clays	clay	NNS
43297	533	21	which	which	WDT
43297	533	22	are	be	VBP
43297	533	23	found	find	VBN
43297	533	24	overlying	overlying	NN
43297	533	25	or	or	CC
43297	533	26	in	in	IN
43297	533	27	close	close	JJ
43297	533	28	association	association	NN
43297	533	29	with	with	IN
43297	533	30	the	the	DT
43297	533	31	rocks	rock	NNS
43297	533	32	from	from	IN
43297	533	33	which	which	WDT
43297	533	34	they	-PRON-	PRP
43297	533	35	have	have	VBP
43297	533	36	been	be	VBN
43297	533	37	derived	derive	VBN
43297	533	38	,	,	,
43297	533	39	and	and	CC
43297	533	40	distinguish	distinguish	VB
43297	533	41	them	-PRON-	PRP
43297	533	42	from	from	IN
43297	533	43	the	the	DT
43297	533	44	'	'	``
43297	533	45	secondary	secondary	JJ
43297	533	46	'	'	''
43297	533	47	or	or	CC
43297	533	48	'	'	``
43297	533	49	transported	transport	VBN
43297	533	50	'	'	''
43297	533	51	clays	clay	NNS
43297	533	52	which	which	WDT
43297	533	53	have	have	VBP
43297	533	54	been	be	VBN
43297	533	55	carried	carry	VBN
43297	533	56	some	some	DT
43297	533	57	distance	distance	NN
43297	533	58	away	away	RB
43297	533	59	from	from	IN
43297	533	60	their	-PRON-	PRP$
43297	533	61	place	place	NN
43297	533	62	of	of	IN
43297	533	63	origin	origin	NN
43297	533	64	.	.	.
43297	534	1	=	=	NFP
43297	534	2	Residual	residual	JJ
43297	534	3	clays=	clays=	NN
43297	534	4	may	may	MD
43297	534	5	be	be	VB
43297	534	6	formed	form	VBN
43297	534	7	by	by	IN
43297	534	8	the	the	DT
43297	534	9	simple	simple	JJ
43297	534	10	removal	removal	NN
43297	534	11	of	of	IN
43297	534	12	other	other	JJ
43297	534	13	materials	material	NNS
43297	534	14	,	,	,
43297	534	15	the	the	DT
43297	534	16	clay	clay	NN
43297	534	17	remaining	remain	VBG
43297	534	18	behind	behind	RB
43297	534	19	,	,	,
43297	534	20	as	as	IN
43297	534	21	in	in	IN
43297	534	22	the	the	DT
43297	534	23	decomposition	decomposition	NN
43297	534	24	of	of	IN
43297	534	25	some	some	DT
43297	534	26	argillaceous	argillaceous	JJ
43297	534	27	limestones	limestone	NNS
43297	534	28	,	,	,
43297	534	29	in	in	IN
43297	534	30	which	which	WDT
43297	534	31	the	the	DT
43297	534	32	calcareous	calcareous	JJ
43297	534	33	matter	matter	NN
43297	534	34	has	have	VBZ
43297	534	35	been	be	VBN
43297	534	36	removed	remove	VBN
43297	534	37	by	by	IN
43297	534	38	solution	solution	NN
43297	534	39	whilst	whilst	IN
43297	534	40	the	the	DT
43297	534	41	clay	clay	NN
43297	534	42	is	be	VBZ
43297	534	43	unaffected	unaffected	JJ
43297	534	44	.	.	.
43297	535	1	Such	such	PDT
43297	535	2	a	a	DT
43297	535	3	clay	clay	NN
43297	535	4	is	be	VBZ
43297	535	5	not	not	RB
43297	535	6	a	a	DT
43297	535	7	primary	primary	JJ
43297	535	8	one	one	NN
43297	535	9	as	as	IN
43297	535	10	it	-PRON-	PRP
43297	535	11	has	have	VBZ
43297	535	12	probably	probably	RB
43297	535	13	been	be	VBN
43297	535	14	derived	derive	VBN
43297	535	15	from	from	IN
43297	535	16	some	some	DT
43297	535	17	distant	distant	JJ
43297	535	18	source	source	NN
43297	535	19	and	and	CC
43297	535	20	,	,	,
43297	535	21	having	have	VBG
43297	535	22	been	be	VBN
43297	535	23	deposited	deposit	VBN
43297	535	24	along	along	IN
43297	535	25	with	with	IN
43297	535	26	the	the	DT
43297	535	27	limestone	limestone	NN
43297	535	28	ooze	ooze	NN
43297	535	29	,	,	,
43297	535	30	has	have	VBZ
43297	535	31	formed	form	VBN
43297	535	32	an	an	DT
43297	535	33	intimate	intimate	JJ
43297	535	34	mixture	mixture	NN
43297	535	35	from	from	IN
43297	535	36	which	which	WDT
43297	535	37	the	the	DT
43297	535	38	limestone	limestone	NN
43297	535	39	has	have	VBZ
43297	535	40	,	,	,
43297	535	41	at	at	IN
43297	535	42	a	a	DT
43297	535	43	later	later	RB
43297	535	44	geological	geological	JJ
43297	535	45	epoch	epoch	NN
43297	535	46	,	,	,
43297	535	47	been	be	VBN
43297	535	48	removed	remove	VBN
43297	535	49	in	in	IN
43297	535	50	the	the	DT
43297	535	51	manner	manner	NN
43297	535	52	indicated	indicate	VBD
43297	535	53	.	.	.
43297	536	1	Residual	residual	JJ
43297	536	2	clays	clay	NNS
43297	536	3	are	be	VBP
43297	536	4	seldom	seldom	RB
43297	536	5	pure	pure	JJ
43297	536	6	,	,	,
43297	536	7	being	be	VBG
43297	536	8	often	often	RB
43297	536	9	rich	rich	JJ
43297	536	10	in	in	IN
43297	536	11	iron	iron	NN
43297	536	12	compounds	compound	NNS
43297	536	13	,	,	,
43297	536	14	though	though	IN
43297	536	15	the	the	DT
43297	536	16	white	white	JJ
43297	536	17	clays	clay	NNS
43297	536	18	of	of	IN
43297	536	19	Staffordshire	Staffordshire	NNP
43297	536	20	and	and	CC
43297	536	21	Derbyshire	Derbyshire	NNP
43297	536	22	are	be	VBP
43297	536	23	highly	highly	RB
43297	536	24	refractory	refractory	JJ
43297	536	25	.	.	.
43297	537	1	It	-PRON-	PRP
43297	537	2	is	be	VBZ
43297	537	3	seldom	seldom	RB
43297	537	4	necessary	necessary	JJ
43297	537	5	to	to	TO
43297	537	6	distinguish	distinguish	VB
43297	537	7	residual	residual	JJ
43297	537	8	clays	clay	NNS
43297	537	9	from	from	IN
43297	537	10	other	other	JJ
43297	537	11	secondary	secondary	JJ
43297	537	12	or	or	CC
43297	537	13	transported	transport	VBN
43297	537	14	ones	one	NNS
43297	537	15	(	(	-LRB-
43297	537	16	Chapters	Chapters	NNPS
43297	537	17	II	II	NNP
43297	537	18	and	and	CC
43297	537	19	IV	IV	NNP
43297	537	20	)	)	-RRB-
43297	537	21	.	.	.
43297	538	1	=	=	NFP
43297	538	2	Primary	primary	JJ
43297	538	3	clays=	clays=	NN
43297	538	4	,	,	,
43297	538	5	on	on	IN
43297	538	6	the	the	DT
43297	538	7	contrary	contrary	NN
43297	538	8	,	,	,
43297	538	9	have	have	VBP
43297	538	10	been	be	VBN
43297	538	11	derived	derive	VBN
43297	538	12	from	from	IN
43297	538	13	rocks	rock	NNS
43297	538	14	which	which	WDT
43297	538	15	have	have	VBP
43297	538	16	undergone	undergo	VBN
43297	538	17	chemical	chemical	JJ
43297	538	18	decomposition	decomposition	NN
43297	538	19	,	,	,
43297	538	20	one	one	CD
43297	538	21	of	of	IN
43297	538	22	the	the	DT
43297	538	23	products	product	NNS
43297	538	24	being	be	VBG
43297	538	25	clay	clay	NN
43297	538	26	.	.	.
43297	539	1	The	the	DT
43297	539	2	most	most	RBS
43297	539	3	important	important	JJ
43297	539	4	primary	primary	JJ
43297	539	5	clays	clay	NNS
43297	539	6	are	be	VBP
43297	539	7	the	the	DT
43297	539	8	kaolins	kaolin	NNS
43297	539	9	,	,	,
43297	539	10	which	which	WDT
43297	539	11	are	be	VBP
43297	539	12	derived	derive	VBN
43297	539	13	from	from	IN
43297	539	14	the	the	DT
43297	539	15	decomposition	decomposition	NN
43297	539	16	of	of	IN
43297	539	17	felspar	felspar	NN
43297	539	18	,	,	,
43297	539	19	but	but	CC
43297	539	20	other	other	JJ
43297	539	21	primary	primary	JJ
43297	539	22	clays	clay	NNS
43297	539	23	derived	derive	VBN
43297	539	24	from	from	IN
43297	539	25	other	other	JJ
43297	539	26	minerals	mineral	NNS
43297	539	27	are	be	VBP
43297	539	28	known	know	VBN
43297	539	29	,	,	,
43297	539	30	though	though	IN
43297	539	31	less	less	RBR
43297	539	32	frequently	frequently	RB
43297	539	33	mentioned	mention	VBN
43297	539	34	.	.	.
43297	540	1	The	the	DT
43297	540	2	_	_	NNP
43297	540	3	kaolins	kaolins	NNP
43297	540	4	_	_	NNP
43297	540	5	are	be	VBP
43297	540	6	primary	primary	JJ
43297	540	7	clays[10	clays[10	NN
43297	540	8	]	]	-RRB-
43297	540	9	formed	form	VBN
43297	540	10	by	by	IN
43297	540	11	the	the	DT
43297	540	12	decomposition	decomposition	NN
43297	540	13	of	of	IN
43297	540	14	felspar	felspar	NNS
43297	540	15	and	and	CC
43297	540	16	occur	occur	VB
43297	540	17	in	in	IN
43297	540	18	many	many	JJ
43297	540	19	parts	part	NNS
43297	540	20	of	of	IN
43297	540	21	the	the	DT
43297	540	22	world	world	NN
43297	540	23	.	.	.
43297	541	1	In	in	IN
43297	541	2	Great	Great	NNP
43297	541	3	Britain	Britain	NNP
43297	541	4	the	the	DT
43297	541	5	most	most	RBS
43297	541	6	important	important	JJ
43297	541	7	are	be	VBP
43297	541	8	the	the	DT
43297	541	9	china	china	NNP
43297	541	10	clays	clay	NNS
43297	541	11	found	find	VBN
43297	541	12	in	in	IN
43297	541	13	Devon	Devon	NNP
43297	541	14	and	and	CC
43297	541	15	Cornwall	Cornwall	NNP
43297	541	16	,	,	,
43297	541	17	which	which	WDT
43297	541	18	occur	occur	VBP
43297	541	19	in	in	IN
43297	541	20	association	association	NN
43297	541	21	with	with	IN
43297	541	22	the	the	DT
43297	541	23	granite	granite	NN
43297	541	24	from	from	IN
43297	541	25	which	which	WDT
43297	541	26	they	-PRON-	PRP
43297	541	27	have	have	VBP
43297	541	28	been	be	VBN
43297	541	29	formed	form	VBN
43297	541	30	.	.	.
43297	542	1	The	the	DT
43297	542	2	kaolins	kaolin	NNS
43297	542	3	in	in	IN
43297	542	4	Germany	Germany	NNP
43297	542	5	are	be	VBP
43297	542	6	,	,	,
43297	542	7	apparently	apparently	RB
43297	542	8	,	,	,
43297	542	9	of	of	IN
43297	542	10	similar	similar	JJ
43297	542	11	origin	origin	NN
43297	542	12	,	,	,
43297	542	13	though	though	IN
43297	542	14	some	some	DT
43297	542	15	are	be	VBP
43297	542	16	derived	derive	VBN
43297	542	17	from	from	IN
43297	542	18	porphyry	porphyry	NN
43297	542	19	and	and	CC
43297	542	20	not	not	RB
43297	542	21	from	from	IN
43297	542	22	granite	granite	NN
43297	542	23	;	;	:
43297	542	24	they	-PRON-	PRP
43297	542	25	are	be	VBP
43297	542	26	the	the	DT
43297	542	27	chief	chief	JJ
43297	542	28	material	material	NN
43297	542	29	used	use	VBN
43297	542	30	in	in	IN
43297	542	31	the	the	DT
43297	542	32	manufacture	manufacture	NN
43297	542	33	of	of	IN
43297	542	34	Dresden	Dresden	NNP
43297	542	35	,	,	,
43297	542	36	Meissen	Meissen	NNP
43297	542	37	,	,	,
43297	542	38	Berlin	Berlin	NNP
43297	542	39	and	and	CC
43297	542	40	other	other	JJ
43297	542	41	porcelains	porcelain	NNS
43297	542	42	.	.	.
43297	543	1	The	the	DT
43297	543	2	French	french	JJ
43297	543	3	kaolins	kaolin	NNS
43297	543	4	from	from	IN
43297	543	5	St	St	NNP
43297	543	6	Yrieux	Yrieux	NNP
43297	543	7	and	and	CC
43297	543	8	Limousin	Limousin	NNP
43297	543	9	are	be	VBP
43297	543	10	said	say	VBN
43297	543	11	by	by	IN
43297	543	12	Granger	Granger	NNP
43297	543	13	(	(	-LRB-
43297	543	14	17	17	CD
43297	543	15	)	)	-RRB-
43297	543	16	to	to	TO
43297	543	17	be	be	VB
43297	543	18	derived	derive	VBN
43297	543	19	from	from	IN
43297	543	20	gneiss	gneiss	NNP
43297	543	21	amphibole	amphibole	NN
43297	543	22	.	.	.
43297	544	1	The	the	DT
43297	544	2	American	american	JJ
43297	544	3	kaolins	kaolin	NNS
43297	544	4	have	have	VBP
43297	544	5	,	,	,
43297	544	6	according	accord	VBG
43297	544	7	to	to	IN
43297	544	8	Ries	Ries	NNP
43297	544	9	(	(	-LRB-
43297	544	10	6	6	CD
43297	544	11	)	)	-RRB-
43297	544	12	,	,	,
43297	544	13	been	be	VBN
43297	544	14	chiefly	chiefly	RB
43297	544	15	formed	form	VBN
43297	544	16	from	from	IN
43297	544	17	the	the	DT
43297	544	18	weathering	weathering	NN
43297	544	19	of	of	IN
43297	544	20	pegmatite	pegmatite	JJ
43297	544	21	veins	vein	NNS
43297	544	22	,	,	,
43297	544	23	but	but	CC
43297	544	24	the	the	DT
43297	544	25	origin	origin	NN
43297	544	26	of	of	IN
43297	544	27	some	some	DT
43297	544	28	important	important	JJ
43297	544	29	deposits	deposit	NNS
43297	544	30	in	in	IN
43297	544	31	Texas	Texas	NNP
43297	544	32	and	and	CC
43297	544	33	Indiana	Indiana	NNP
43297	544	34	has	have	VBZ
43297	544	35	not	not	RB
43297	544	36	yet	yet	RB
43297	544	37	been	be	VBN
43297	544	38	fully	fully	RB
43297	544	39	explained	explain	VBN
43297	544	40	.	.	.
43297	545	1	[	[	-LRB-
43297	545	2	Footnote	Footnote	NNP
43297	545	3	10	10	CD
43297	545	4	:	:	:
43297	545	5	Some	some	DT
43297	545	6	kaolins	kaolin	NNS
43297	545	7	in	in	IN
43297	545	8	central	central	JJ
43297	545	9	Europe	Europe	NNP
43297	545	10	appear	appear	VBP
43297	545	11	to	to	TO
43297	545	12	have	have	VB
43297	545	13	been	be	VBN
43297	545	14	transported	transport	VBN
43297	545	15	and	and	CC
43297	545	16	of	of	IN
43297	545	17	secondary	secondary	JJ
43297	545	18	origin	origin	NN
43297	545	19	.	.	.
43297	545	20	]	]	-RRB-
43297	546	1	[	[	-LRB-
43297	546	2	Illustration	illustration	NN
43297	546	3	:	:	:
43297	546	4	Fig	Fig	NNP
43297	546	5	.	.	.
43297	547	1	12	12	CD
43297	547	2	.	.	.
43297	548	1	China	China	NNP
43297	548	2	clay	clay	NN
43297	548	3	pit	pit	NN
43297	548	4	belonging	belong	VBG
43297	548	5	to	to	IN
43297	548	6	the	the	DT
43297	548	7	North	North	NNP
43297	548	8	Cornwall	Cornwall	NNP
43297	548	9	China	China	NNP
43297	548	10	Clay	Clay	NNP
43297	548	11	Co.	Co.	NNP
43297	548	12	(	(	-LRB-
43297	548	13	_	_	NNP
43297	548	14	By	by	IN
43297	548	15	courtesy	courtesy	NN
43297	548	16	of	of	IN
43297	548	17	W.	W.	NNP
43297	548	18	H.	H.	NNP
43297	548	19	Patchell	Patchell	NNP
43297	548	20	Esq	Esq	NNP
43297	548	21	.	.	.
43297	548	22	_	_	NNP
43297	548	23	)	)	-RRB-
43297	548	24	]	]	-RRB-
43297	548	25	The	the	DT
43297	548	26	corresponding	corresponding	JJ
43297	548	27	material	material	NN
43297	548	28	used	use	VBN
43297	548	29	by	by	IN
43297	548	30	the	the	DT
43297	548	31	Chinese	Chinese	NNPS
43297	548	32	for	for	IN
43297	548	33	the	the	DT
43297	548	34	manufacture	manufacture	NN
43297	548	35	of	of	IN
43297	548	36	porcelain	porcelain	NN
43297	548	37	bears	bear	VBZ
43297	548	38	a	a	DT
43297	548	39	name	name	NN
43297	548	40	which	which	WDT
43297	548	41	is	be	VBZ
43297	548	42	really	really	RB
43297	548	43	that	that	DT
43297	548	44	of	of	IN
43297	548	45	the	the	DT
43297	548	46	place	place	NN
43297	548	47	from	from	IN
43297	548	48	whence	whence	NN
43297	548	49	it	-PRON-	PRP
43297	548	50	was	be	VBD
43297	548	51	originally	originally	RB
43297	548	52	obtained	obtain	VBN
43297	548	53	;	;	:
43297	548	54	the	the	DT
43297	548	55	term	term	NN
43297	548	56	_	_	NNP
43297	548	57	Kao	Kao	NNP
43297	548	58	-	-	HYPH
43297	548	59	ling	ling	NNP
43297	548	60	_	_	NNP
43297	548	61	indicates	indicate	VBZ
43297	548	62	merely	merely	RB
43297	548	63	a	a	DT
43297	548	64	high	high	JJ
43297	548	65	ridge	ridge	NN
43297	548	66	.	.	.
43297	549	1	According	accord	VBG
43297	549	2	to	to	IN
43297	549	3	Richthofen	Richthofen	NNP
43297	549	4	(	(	-LRB-
43297	549	5	18	18	CD
43297	549	6	)	)	-RRB-
43297	549	7	the	the	DT
43297	549	8	rock	rock	NN
43297	549	9	from	from	IN
43297	549	10	which	which	WDT
43297	549	11	Chinese	chinese	JJ
43297	549	12	porcelain	porcelain	NN
43297	549	13	is	be	VBZ
43297	549	14	made	make	VBN
43297	549	15	is	be	VBZ
43297	549	16	not	not	RB
43297	549	17	a	a	DT
43297	549	18	true	true	JJ
43297	549	19	kaolin	kaolin	NN
43297	549	20	,	,	,
43297	549	21	but	but	CC
43297	549	22	is	be	VBZ
43297	549	23	allied	ally	VBN
43297	549	24	to	to	IN
43297	549	25	the	the	DT
43297	549	26	_	_	NNP
43297	549	27	jades	jades	NNPS
43297	549	28	_	_	NNP
43297	549	29	.	.	.
43297	550	1	The	the	DT
43297	550	2	term	term	NN
43297	550	3	'	'	``
43297	550	4	kaolin	kaolin	NN
43297	550	5	'	'	''
43297	550	6	is	be	VBZ
43297	550	7	therefore	therefore	RB
43297	550	8	a	a	DT
43297	550	9	misnomer	misnomer	NN
43297	550	10	when	when	WRB
43297	550	11	applied	apply	VBN
43297	550	12	to	to	IN
43297	550	13	white	white	JJ
43297	550	14	-	-	HYPH
43297	550	15	burning	burn	VBG
43297	550	16	,	,	,
43297	550	17	primary	primary	JJ
43297	550	18	clays	clay	NNS
43297	550	19	generally	generally	RB
43297	550	20	,	,	,
43297	550	21	but	but	CC
43297	550	22	its	-PRON-	PRP$
43297	550	23	use	use	NN
43297	550	24	has	have	VBZ
43297	550	25	become	become	VBN
43297	550	26	so	so	RB
43297	550	27	firmly	firmly	RB
43297	550	28	established	establish	VBN
43297	550	29	as	as	IN
43297	550	30	to	to	TO
43297	550	31	render	render	VB
43297	550	32	it	-PRON-	PRP
43297	550	33	permanent	permanent	JJ
43297	550	34	.	.	.
43297	551	1	Kaolins	Kaolins	NNP
43297	551	2	are	be	VBP
43297	551	3	seldom	seldom	RB
43297	551	4	found	find	VBN
43297	551	5	in	in	IN
43297	551	6	a	a	DT
43297	551	7	sufficiently	sufficiently	RB
43297	551	8	pure	pure	JJ
43297	551	9	state	state	NN
43297	551	10	to	to	TO
43297	551	11	be	be	VB
43297	551	12	used	use	VBN
43297	551	13	direct	direct	JJ
43297	551	14	,	,	,
43297	551	15	but	but	CC
43297	551	16	must	must	MD
43297	551	17	be	be	VB
43297	551	18	freed	free	VBN
43297	551	19	from	from	IN
43297	551	20	large	large	JJ
43297	551	21	amounts	amount	NNS
43297	551	22	of	of	IN
43297	551	23	undecomposed	undecomposed	JJ
43297	551	24	rock	rock	NN
43297	551	25	,	,	,
43297	551	26	quartz	quartz	NNP
43297	551	27	,	,	,
43297	551	28	mica	mica	NNP
43297	551	29	,	,	,
43297	551	30	etc	etc	FW
43297	551	31	.	.	FW
43297	551	32	,	,	,
43297	551	33	by	by	IN
43297	551	34	a	a	DT
43297	551	35	process	process	NN
43297	551	36	of	of	IN
43297	551	37	washing	washing	NN
43297	551	38	and	and	CC
43297	551	39	sedimentation	sedimentation	NN
43297	551	40	.	.	.
43297	552	1	When	when	WRB
43297	552	2	purified	purify	VBN
43297	552	3	in	in	IN
43297	552	4	this	this	DT
43297	552	5	manner	manner	NN
43297	552	6	,	,	,
43297	552	7	the	the	DT
43297	552	8	best	good	JJS
43297	552	9	qualities	quality	NNS
43297	552	10	of	of	IN
43297	552	11	china	china	NNP
43297	552	12	clay	clay	NNP
43297	552	13	yield	yield	NNP
43297	552	14	,	,	,
43297	552	15	on	on	IN
43297	552	16	analysis	analysis	NN
43297	552	17	,	,	,
43297	552	18	alumina	alumina	NNP
43297	552	19	,	,	,
43297	552	20	silica	silica	NNP
43297	552	21	and	and	CC
43297	552	22	water	water	NN
43297	552	23	in	in	IN
43297	552	24	the	the	DT
43297	552	25	proportions	proportion	NNS
43297	552	26	indicated	indicate	VBN
43297	552	27	by	by	IN
43297	552	28	the	the	DT
43297	552	29	formula	formula	NN
43297	552	30	H4Al2Si2O9	H4Al2Si2O9	VBZ
43297	552	31	together	together	RB
43297	552	32	with	with	IN
43297	552	33	about	about	RB
43297	552	34	5	5	CD
43297	552	35	per	per	NN
43297	552	36	cent	cent	NN
43297	552	37	.	.	.
43297	553	1	of	of	IN
43297	553	2	mica	mica	NNP
43297	553	3	and	and	CC
43297	553	4	other	other	JJ
43297	553	5	impurities	impurity	NNS
43297	553	6	.	.	.
43297	554	1	Some	some	DT
43297	554	2	high	high	JJ
43297	554	3	class	class	NN
43297	554	4	commercial	commercial	JJ
43297	554	5	kaolins	kaolin	NNS
43297	554	6	contain	contain	VBP
43297	554	7	over	over	IN
43297	554	8	30	30	CD
43297	554	9	per	per	NN
43297	554	10	cent	cent	NN
43297	554	11	.	.	.
43297	555	1	of	of	IN
43297	555	2	mica	mica	NNP
43297	555	3	and	and	CC
43297	555	4	10	10	CD
43297	555	5	per	per	NN
43297	555	6	cent	cent	NN
43297	555	7	.	.	.
43297	556	1	of	of	IN
43297	556	2	quartz	quartz	NNP
43297	556	3	.	.	.
43297	557	1	The	the	DT
43297	557	2	chief	chief	JJ
43297	557	3	constituents	constituent	NNS
43297	557	4	of	of	IN
43297	557	5	rocks	rock	NNS
43297	557	6	which	which	WDT
43297	557	7	take	take	VBP
43297	557	8	part	part	NN
43297	557	9	in	in	IN
43297	557	10	the	the	DT
43297	557	11	production	production	NN
43297	557	12	of	of	IN
43297	557	13	kaolins	kaolin	NNS
43297	557	14	appear	appear	VBP
43297	557	15	to	to	TO
43297	557	16	be	be	VB
43297	557	17	the	the	DT
43297	557	18	felspars	felspar	NNS
43297	557	19	,	,	,
43297	557	20	but	but	CC
43297	557	21	the	the	DT
43297	557	22	natural	natural	JJ
43297	557	23	processes	process	NNS
43297	557	24	by	by	IN
43297	557	25	which	which	WDT
43297	557	26	these	these	DT
43297	557	27	felspars	felspar	NNS
43297	557	28	are	be	VBP
43297	557	29	decomposed	decompose	VBN
43297	557	30	are	be	VBP
43297	557	31	by	by	IN
43297	557	32	no	no	DT
43297	557	33	means	means	NN
43297	557	34	perfectly	perfectly	RB
43297	557	35	understood	understand	VBN
43297	557	36	.	.	.
43297	558	1	Some	some	DT
43297	558	2	kaolins	kaolin	NNS
43297	558	3	appear	appear	VBP
43297	558	4	to	to	TO
43297	558	5	have	have	VB
43297	558	6	been	be	VBN
43297	558	7	formed	form	VBN
43297	558	8	by	by	IN
43297	558	9	weathering	weather	VBG
43297	558	10	and	and	CC
43297	558	11	others	other	NNS
43297	558	12	by	by	IN
43297	558	13	subaerial	subaerial	JJ
43297	558	14	action	action	NN
43297	558	15	.	.	.
43297	559	1	Thus	thus	RB
43297	559	2	Collins	Collins	NNP
43297	559	3	(	(	-LRB-
43297	559	4	19	19	CD
43297	559	5	)	)	-RRB-
43297	559	6	has	have	VBZ
43297	559	7	stated	state	VBN
43297	559	8	very	very	RB
43297	559	9	emphatically	emphatically	RB
43297	559	10	that	that	IN
43297	559	11	the	the	DT
43297	559	12	kaolinization	kaolinization	NN
43297	559	13	of	of	IN
43297	559	14	Cornish	cornish	JJ
43297	559	15	felspar	felspar	NNS
43297	559	16	has	have	VBZ
43297	559	17	been	be	VBN
43297	559	18	chiefly	chiefly	RB
43297	559	19	effected	effect	VBN
43297	559	20	by	by	IN
43297	559	21	fluorine	fluorine	NN
43297	559	22	and	and	CC
43297	559	23	other	other	JJ
43297	559	24	substances	substance	NNS
43297	559	25	rising	rise	VBG
43297	559	26	from	from	IN
43297	559	27	below	below	RB
43297	559	28	and	and	CC
43297	559	29	not	not	RB
43297	559	30	by	by	IN
43297	559	31	carbonic	carbonic	JJ
43297	559	32	acid	acid	NN
43297	559	33	and	and	CC
43297	559	34	water	water	NN
43297	559	35	acting	act	VBG
43297	559	36	from	from	IN
43297	559	37	above	above	RB
43297	559	38	.	.	.
43297	560	1	Ries	rie	NNS
43297	560	2	(	(	-LRB-
43297	560	3	6	6	CD
43297	560	4	)	)	-RRB-
43297	560	5	and	and	CC
43297	560	6	other	other	JJ
43297	560	7	American	american	JJ
43297	560	8	observers	observer	NNS
43297	560	9	are	be	VBP
43297	560	10	equally	equally	RB
43297	560	11	convinced	convinced	JJ
43297	560	12	that	that	IN
43297	560	13	certain	certain	JJ
43297	560	14	kaolins	kaolin	NNS
43297	560	15	they	-PRON-	PRP
43297	560	16	have	have	VBP
43297	560	17	examined	examine	VBN
43297	560	18	are	be	VBP
43297	560	19	the	the	DT
43297	560	20	result	result	NN
43297	560	21	of	of	IN
43297	560	22	'	'	``
43297	560	23	weathering	weathering	NN
43297	560	24	.	.	.
43297	560	25	'	'	''
43297	561	1	German	german	JJ
43297	561	2	and	and	CC
43297	561	3	French	french	JJ
43297	561	4	investigators	investigator	NNS
43297	561	5	are	be	VBP
43297	561	6	divided	divide	VBN
43297	561	7	in	in	IN
43297	561	8	their	-PRON-	PRP$
43297	561	9	opinions	opinion	NNS
43297	561	10	,	,	,
43297	561	11	and	and	CC
43297	561	12	Fuchs	Fuchs	NNP
43297	561	13	has	have	VBZ
43297	561	14	found	find	VBN
43297	561	15	that	that	IN
43297	561	16	the	the	DT
43297	561	17	Passau	Passau	NNP
43297	561	18	(	(	-LRB-
43297	561	19	Saxony	Saxony	NNP
43297	561	20	)	)	-RRB-
43297	561	21	kaolin	kaolin	NNP
43297	561	22	is	be	VBZ
43297	561	23	derived	derive	VBN
43297	561	24	from	from	IN
43297	561	25	a	a	DT
43297	561	26	special	special	JJ
43297	561	27	mineral	mineral	NN
43297	561	28	,	,	,
43297	561	29	not	not	RB
43297	561	30	unlike	unlike	IN
43297	561	31	a	a	DT
43297	561	32	soda	soda	NN
43297	561	33	-	-	HYPH
43297	561	34	lime	lime	NN
43297	561	35	felspar	felspar	VBZ
43297	561	36	deficient	deficient	RB
43297	561	37	in	in	IN
43297	561	38	silica	silica	NNP
43297	561	39	,	,	,
43297	561	40	to	to	TO
43297	561	41	which	which	WDT
43297	561	42	he	-PRON-	PRP
43297	561	43	has	have	VBZ
43297	561	44	given	give	VBN
43297	561	45	the	the	DT
43297	561	46	name	name	NN
43297	561	47	'	'	``
43297	561	48	porcelain	porcelain	NN
43297	561	49	spar	spar	NNS
43297	561	50	.	.	.
43297	561	51	'	'	''
43297	562	1	The	the	DT
43297	562	2	_	_	NNP
43297	562	3	felspars	felspar	NNS
43297	562	4	_	_	NNP
43297	562	5	form	form	VBP
43297	562	6	a	a	DT
43297	562	7	class	class	NN
43297	562	8	of	of	IN
43297	562	9	minerals	mineral	NNS
43297	562	10	whose	whose	WP$
43297	562	11	chief	chief	JJ
43297	562	12	characteristic	characteristic	NN
43297	562	13	is	be	VBZ
43297	562	14	the	the	DT
43297	562	15	combination	combination	NN
43297	562	16	of	of	IN
43297	562	17	an	an	DT
43297	562	18	alkaline	alkaline	NN
43297	562	19	or	or	CC
43297	562	20	alkaline	alkaline	NN
43297	562	21	-	-	HYPH
43297	562	22	earth	earth	NN
43297	562	23	base	base	NN
43297	562	24	with	with	IN
43297	562	25	silica	silica	NNP
43297	562	26	and	and	CC
43297	562	27	alumina	alumina	NNP
43297	562	28	.	.	.
43297	563	1	Orthoclase	Orthoclase	NNP
43297	563	2	(	(	-LRB-
43297	563	3	K2OAl2O3·6SiO2)--the	K2OAl2O3·6SiO2)--the	NNP
43297	563	4	chief	chief	JJ
43297	563	5	potassium	potassium	NN
43297	563	6	felspar	felspar	VBZ
43297	563	7	--	--	:
43297	563	8	is	be	VBZ
43297	563	9	typical	typical	JJ
43297	563	10	of	of	IN
43297	563	11	the	the	DT
43297	563	12	whole	whole	JJ
43297	563	13	class	class	NN
43297	563	14	.	.	.
43297	564	1	When	when	WRB
43297	564	2	treated	treat	VBN
43297	564	3	with	with	IN
43297	564	4	water	water	NN
43297	564	5	under	under	IN
43297	564	6	suitable	suitable	JJ
43297	564	7	conditions	condition	NNS
43297	564	8	,	,	,
43297	564	9	the	the	DT
43297	564	10	felspar	felspar	NN
43297	564	11	appears	appear	VBZ
43297	564	12	to	to	TO
43297	564	13	become	become	VB
43297	564	14	hydrolysed	hydrolysed	JJ
43297	564	15	and	and	CC
43297	564	16	some	some	DT
43297	564	17	of	of	IN
43297	564	18	the	the	DT
43297	564	19	water	water	NN
43297	564	20	enters	enter	VBZ
43297	564	21	into	into	IN
43297	564	22	combination	combination	NN
43297	564	23	,	,	,
43297	564	24	the	the	DT
43297	564	25	potash	potash	NN
43297	564	26	being	be	VBG
43297	564	27	removed	remove	VBN
43297	564	28	by	by	IN
43297	564	29	solution	solution	NN
43297	564	30	.	.	.
43297	565	1	Attempts	attempt	NNS
43297	565	2	to	to	TO
43297	565	3	effect	effect	VB
43297	565	4	this	this	DT
43297	565	5	decomposition	decomposition	NN
43297	565	6	artificially	artificially	RB
43297	565	7	have	have	VBP
43297	565	8	proved	prove	VBN
43297	565	9	abortive	abortive	JJ
43297	565	10	though	though	IN
43297	565	11	several	several	JJ
43297	565	12	investigators	investigator	NNS
43297	565	13	appear	appear	VBP
43297	565	14	to	to	TO
43297	565	15	have	have	VB
43297	565	16	effected	effect	VBN
43297	565	17	it	-PRON-	PRP
43297	565	18	to	to	IN
43297	565	19	a	a	DT
43297	565	20	limited	limited	JJ
43297	565	21	extent	extent	NN
43297	565	22	by	by	IN
43297	565	23	electrolysis	electrolysis	NN
43297	565	24	or	or	CC
43297	565	25	by	by	IN
43297	565	26	heating	heat	VBG
43297	565	27	under	under	IN
43297	565	28	great	great	JJ
43297	565	29	pressure	pressure	NN
43297	565	30	(	(	-LRB-
43297	565	31	3	3	CD
43297	565	32	)	)	-RRB-
43297	565	33	.	.	.
43297	566	1	The	the	DT
43297	566	2	effect	effect	NN
43297	566	3	on	on	IN
43297	566	4	felspars	felspar	NNS
43297	566	5	of	of	IN
43297	566	6	waters	water	NNS
43297	566	7	containing	contain	VBG
43297	566	8	carbon	carbon	NN
43297	566	9	dioxide	dioxide	NN
43297	566	10	in	in	IN
43297	566	11	solution	solution	NN
43297	566	12	has	have	VBZ
43297	566	13	been	be	VBN
43297	566	14	studied	study	VBN
43297	566	15	by	by	IN
43297	566	16	Forschammer	Forschammer	NNP
43297	566	17	,	,	,
43297	566	18	Vogt	Vogt	NNP
43297	566	19	,	,	,
43297	566	20	and	and	CC
43297	566	21	others	other	NNS
43297	566	22	,	,	,
43297	566	23	and	and	CC
43297	566	24	they	-PRON-	PRP
43297	566	25	have	have	VBP
43297	566	26	concluded	conclude	VBN
43297	566	27	that	that	IN
43297	566	28	kaolinization	kaolinization	NN
43297	566	29	may	may	MD
43297	566	30	occur	occur	VB
43297	566	31	with	with	IN
43297	566	32	this	this	DT
43297	566	33	agent	agent	NN
43297	566	34	though	though	IN
43297	566	35	it	-PRON-	PRP
43297	566	36	does	do	VBZ
43297	566	37	not	not	RB
43297	566	38	appear	appear	VB
43297	566	39	to	to	TO
43297	566	40	be	be	VB
43297	566	41	the	the	DT
43297	566	42	chief	chief	JJ
43297	566	43	cause	cause	NN
43297	566	44	in	in	IN
43297	566	45	the	the	DT
43297	566	46	formation	formation	NN
43297	566	47	of	of	IN
43297	566	48	Cornish	cornish	JJ
43297	566	49	china	china	NNP
43297	566	50	clays	clay	NNS
43297	566	51	.	.	.
43297	567	1	[	[	-LRB-
43297	567	2	Illustration	illustration	NN
43297	567	3	:	:	:
43297	567	4	Fig	Fig	NNP
43297	567	5	.	.	.
43297	568	1	13	13	CD
43297	568	2	.	.	.
43297	569	1	Orthoclase	Orthoclase	NNP
43297	569	2	Felspar	Felspar	NNP
43297	569	3	,	,	,
43297	569	4	natural	natural	JJ
43297	569	5	size	size	NN
43297	569	6	.	.	.
43297	570	1	(	(	-LRB-
43297	570	2	_	_	NNP
43297	570	3	From	from	IN
43297	570	4	Miers	Miers	NNP
43297	570	5	_	_	NNP
43297	570	6	'	'	''
43297	570	7	Mineralogy	Mineralogy	NNP
43297	570	8	_	_	NNP
43297	570	9	by	by	IN
43297	570	10	permission	permission	NN
43297	570	11	of	of	IN
43297	570	12	Macmillan	Macmillan	NNP
43297	570	13	&	&	CC
43297	570	14	Co.	Co.	NNP
43297	570	15	_	_	NNP
43297	570	16	)	)	-RRB-
43297	570	17	]	]	-RRB-
43297	570	18	The	the	DT
43297	570	19	probable	probable	JJ
43297	570	20	effect	effect	NN
43297	570	21	of	of	IN
43297	570	22	fluoric	fluoric	JJ
43297	570	23	vapours	vapour	NNS
43297	570	24	has	have	VBZ
43297	570	25	been	be	VBN
43297	570	26	studied	study	VBN
43297	570	27	by	by	IN
43297	570	28	Collins	Collins	NNP
43297	570	29	(	(	-LRB-
43297	570	30	19	19	CD
43297	570	31	)	)	-RRB-
43297	570	32	who	who	WP
43297	570	33	confirmed	confirm	VBD
43297	570	34	von	von	NNP
43297	570	35	Buch	Buch	NNP
43297	570	36	's	's	POS
43297	570	37	observation	observation	NN
43297	570	38	that	that	IN
43297	570	39	fluorides	fluoride	VBZ
43297	570	40	(	(	-LRB-
43297	570	41	particularly	particularly	RB
43297	570	42	lepidolite	lepidolite	JJ
43297	570	43	and	and	CC
43297	570	44	tourmaline	tourmaline	NN
43297	570	45	)	)	-RRB-
43297	570	46	are	be	VBP
43297	570	47	constantly	constantly	RB
43297	570	48	associated	associate	VBN
43297	570	49	with	with	IN
43297	570	50	china	china	NNP
43297	570	51	clay	clay	NNP
43297	570	52	;	;	:
43297	570	53	he	-PRON-	PRP
43297	570	54	found	find	VBD
43297	570	55	by	by	IN
43297	570	56	direct	direct	JJ
43297	570	57	experiment	experiment	NN
43297	570	58	that	that	IN
43297	570	59	felspar	felspar	NN
43297	570	60	is	be	VBZ
43297	570	61	decomposed	decompose	VBN
43297	570	62	by	by	IN
43297	570	63	hydrofluoric	hydrofluoric	NN
43297	570	64	acid	acid	NN
43297	570	65	at	at	IN
43297	570	66	the	the	DT
43297	570	67	ordinary	ordinary	JJ
43297	570	68	temperature	temperature	NN
43297	570	69	without	without	IN
43297	570	70	the	the	DT
43297	570	71	other	other	JJ
43297	570	72	constituents	constituent	NNS
43297	570	73	of	of	IN
43297	570	74	the	the	DT
43297	570	75	granite	granite	NN
43297	570	76	in	in	IN
43297	570	77	which	which	WDT
43297	570	78	it	-PRON-	PRP
43297	570	79	occurs	occur	VBZ
43297	570	80	being	be	VBG
43297	570	81	affected	affect	VBN
43297	570	82	.	.	.
43297	571	1	This	this	DT
43297	571	2	theory	theory	NN
43297	571	3	is	be	VBZ
43297	571	4	confirmed	confirm	VBN
43297	571	5	by	by	IN
43297	571	6	the	the	DT
43297	571	7	great	great	JJ
43297	571	8	depths	depth	NNS
43297	571	9	of	of	IN
43297	571	10	the	the	DT
43297	571	11	kaolin	kaolin	JJ
43297	571	12	deposits	deposit	NNS
43297	571	13	in	in	IN
43297	571	14	Cornwall	Cornwall	NNP
43297	571	15	and	and	CC
43297	571	16	in	in	IN
43297	571	17	Zettlitz	Zettlitz	NNP
43297	571	18	(	(	-LRB-
43297	571	19	Bohemia	Bohemia	NNP
43297	571	20	)	)	-RRB-
43297	571	21	which	which	WDT
43297	571	22	appear	appear	VBP
43297	571	23	to	to	TO
43297	571	24	be	be	VB
43297	571	25	too	too	RB
43297	571	26	great	great	JJ
43297	571	27	to	to	TO
43297	571	28	render	render	VB
43297	571	29	satisfactory	satisfactory	JJ
43297	571	30	any	any	DT
43297	571	31	theory	theory	NN
43297	571	32	of	of	IN
43297	571	33	simple	simple	JJ
43297	571	34	weathering	weathering	NN
43297	571	35	though	though	IN
43297	571	36	kaolins	kaolin	NNS
43297	571	37	in	in	IN
43297	571	38	other	other	JJ
43297	571	39	localities	locality	NNS
43297	571	40	,	,	,
43297	571	41	especially	especially	RB
43297	571	42	in	in	IN
43297	571	43	America	America	NNP
43297	571	44	,	,	,
43297	571	45	appear	appear	VB
43297	571	46	to	to	TO
43297	571	47	be	be	VB
43297	571	48	largely	largely	RB
43297	571	49	the	the	DT
43297	571	50	result	result	NN
43297	571	51	of	of	IN
43297	571	52	weathering	weathering	NN
43297	571	53	.	.	.
43297	572	1	According	accord	VBG
43297	572	2	to	to	IN
43297	572	3	Hickling	Hickling	NNP
43297	572	4	(	(	-LRB-
43297	572	5	36	36	CD
43297	572	6	)	)	-RRB-
43297	572	7	the	the	DT
43297	572	8	product	product	NN
43297	572	9	of	of	IN
43297	572	10	the	the	DT
43297	572	11	action	action	NN
43297	572	12	of	of	IN
43297	572	13	hydrofluoric	hydrofluoric	NN
43297	572	14	acid	acid	NN
43297	572	15	'	'	''
43297	572	16	has	have	VBZ
43297	572	17	not	not	RB
43297	572	18	the	the	DT
43297	572	19	remotest	remotest	NN
43297	572	20	resemblance	resemblance	NN
43297	572	21	to	to	IN
43297	572	22	china	china	NNP
43297	572	23	clay	clay	NNP
43297	572	24	.	.	.
43297	572	25	'	'	''
43297	573	1	Kaolin	Kaolin	NNP
43297	573	2	,	,	,
43297	573	3	when	when	WRB
43297	573	4	carefully	carefully	RB
43297	573	5	freed	free	VBN
43297	573	6	from	from	IN
43297	573	7	its	-PRON-	PRP$
43297	573	8	impurities	impurity	NNS
43297	573	9	,	,	,
43297	573	10	as	as	RB
43297	573	11	far	far	RB
43297	573	12	as	as	IN
43297	573	13	this	this	DT
43297	573	14	is	be	VBZ
43297	573	15	possible	possible	JJ
43297	573	16	,	,	,
43297	573	17	is	be	VBZ
43297	573	18	peculiarly	peculiarly	RB
43297	573	19	resistant	resistant	JJ
43297	573	20	to	to	IN
43297	573	21	the	the	DT
43297	573	22	action	action	NN
43297	573	23	of	of	IN
43297	573	24	water	water	NN
43297	573	25	.	.	.
43297	574	1	This	this	DT
43297	574	2	resistance	resistance	NN
43297	574	3	may	may	MD
43297	574	4	be	be	VB
43297	574	5	due	due	IN
43297	574	6	to	to	IN
43297	574	7	its	-PRON-	PRP$
43297	574	8	highly	highly	RB
43297	574	9	complex	complex	JJ
43297	574	10	constitution	constitution	NN
43297	574	11	,	,	,
43297	574	12	as	as	IN
43297	574	13	the	the	DT
43297	574	14	simpler	simple	JJR
43297	574	15	hydro	hydro	NNP
43297	574	16	-	-	HYPH
43297	574	17	alumino	alumino	NNP
43297	574	18	-	-	HYPH
43297	574	19	silicates	silicate	NNS
43297	574	20	,	,	,
43297	574	21	such	such	JJ
43297	574	22	as	as	IN
43297	574	23	collyrite	collyrite	NN
43297	574	24	,	,	,
43297	574	25	show	show	VB
43297	574	26	an	an	DT
43297	574	27	acid	acid	JJ
43297	574	28	reaction	reaction	NN
43297	574	29	when	when	WRB
43297	574	30	ground	ground	NN
43297	574	31	with	with	IN
43297	574	32	water	water	NN
43297	574	33	.	.	.
43297	575	1	Rohland	Rohland	NNP
43297	575	2	(	(	-LRB-
43297	575	3	5	5	CD
43297	575	4	)	)	-RRB-
43297	575	5	,	,	,
43297	575	6	therefore	therefore	RB
43297	575	7	,	,	,
43297	575	8	suggests	suggest	VBZ
43297	575	9	that	that	IN
43297	575	10	kaolinization	kaolinization	NNP
43297	575	11	is	be	VBZ
43297	575	12	effected	effect	VBN
43297	575	13	by	by	IN
43297	575	14	water	water	NN
43297	575	15	first	first	RB
43297	575	16	hydrolysing	hydrolyse	VBG
43297	575	17	the	the	DT
43297	575	18	felspar	felspar	NNS
43297	575	19	and	and	CC
43297	575	20	forming	form	VBG
43297	575	21	colloidal	colloidal	JJ
43297	575	22	silica	silica	NN
43297	575	23	and	and	CC
43297	575	24	sodium	sodium	NN
43297	575	25	or	or	CC
43297	575	26	potassium	potassium	NN
43297	575	27	hydroxides	hydroxide	NNS
43297	575	28	which	which	WDT
43297	575	29	are	be	VBP
43297	575	30	removed	remove	VBN
43297	575	31	whilst	whilst	IN
43297	575	32	the	the	DT
43297	575	33	complex	complex	JJ
43297	575	34	alumino	alumino	JJ
43297	575	35	-	-	HYPH
43297	575	36	silicate	silicate	NN
43297	575	37	remains	remain	VBZ
43297	575	38	in	in	IN
43297	575	39	the	the	DT
43297	575	40	form	form	NN
43297	575	41	of	of	IN
43297	575	42	kaolin	kaolin	NNP
43297	575	43	.	.	.
43297	576	1	Hickling	Hickling	NNP
43297	576	2	(	(	-LRB-
43297	576	3	36	36	CD
43297	576	4	)	)	-RRB-
43297	576	5	,	,	,
43297	576	6	on	on	IN
43297	576	7	the	the	DT
43297	576	8	contrary	contrary	NN
43297	576	9	,	,	,
43297	576	10	believes	believe	VBZ
43297	576	11	that	that	IN
43297	576	12	the	the	DT
43297	576	13	action	action	NN
43297	576	14	of	of	IN
43297	576	15	the	the	DT
43297	576	16	weather	weather	NN
43297	576	17	on	on	IN
43297	576	18	felspar	felspar	NNP
43297	576	19	produces	produce	VBZ
43297	576	20	secondary	secondary	JJ
43297	576	21	muscovite	muscovite	NN
43297	576	22	--	--	:
43297	576	23	a	a	DT
43297	576	24	form	form	NN
43297	576	25	of	of	IN
43297	576	26	mica	mica	NNP
43297	576	27	--	--	:
43297	576	28	and	and	CC
43297	576	29	that	that	IN
43297	576	30	this	this	DT
43297	576	31	is	be	VBZ
43297	576	32	,	,	,
43297	576	33	later	later	RB
43297	576	34	,	,	,
43297	576	35	converted	convert	VBD
43297	576	36	into	into	IN
43297	576	37	kaolinite	kaolinite	NNP
43297	576	38	or	or	CC
43297	576	39	china	china	NNP
43297	576	40	clay	clay	NNP
43297	576	41	(	(	-LRB-
43297	576	42	fig	fig	NN
43297	576	43	.	.	.
43297	577	1	17	17	CD
43297	577	2	,	,	,
43297	577	3	p.	p.	NN
43297	577	4	105	105	CD
43297	577	5	)	)	-RRB-
43297	577	6	.	.	.
43297	578	1	The	the	DT
43297	578	2	various	various	JJ
43297	578	3	theories	theory	NNS
43297	578	4	which	which	WDT
43297	578	5	have	have	VBP
43297	578	6	been	be	VBN
43297	578	7	propounded	propound	VBN
43297	578	8	may	may	MD
43297	578	9	be	be	VB
43297	578	10	summarized	summarize	VBN
43297	578	11	into	into	IN
43297	578	12	three	three	CD
43297	578	13	main	main	JJ
43297	578	14	classes	class	NNS
43297	578	15	,	,	,
43297	578	16	and	and	CC
43297	578	17	whilst	whilst	IN
43297	578	18	it	-PRON-	PRP
43297	578	19	is	be	VBZ
43297	578	20	probable	probable	JJ
43297	578	21	that	that	IN
43297	578	22	any	any	DT
43297	578	23	one	one	CD
43297	578	24	of	of	IN
43297	578	25	them	-PRON-	PRP
43297	578	26	,	,	,
43297	578	27	or	or	CC
43297	578	28	any	any	DT
43297	578	29	one	one	CD
43297	578	30	combination	combination	NN
43297	578	31	,	,	,
43297	578	32	may	may	MD
43297	578	33	be	be	VB
43297	578	34	true	true	JJ
43297	578	35	for	for	IN
43297	578	36	a	a	DT
43297	578	37	particular	particular	JJ
43297	578	38	kaolin	kaolin	NN
43297	578	39	,	,	,
43297	578	40	yet	yet	CC
43297	578	41	the	the	DT
43297	578	42	whole	whole	JJ
43297	578	43	process	process	NN
43297	578	44	of	of	IN
43297	578	45	kaolinization	kaolinization	NN
43297	578	46	is	be	VBZ
43297	578	47	so	so	RB
43297	578	48	complex	complex	JJ
43297	578	49	and	and	CC
43297	578	50	the	the	DT
43297	578	51	conditions	condition	NNS
43297	578	52	under	under	IN
43297	578	53	which	which	WDT
43297	578	54	it	-PRON-	PRP
43297	578	55	has	have	VBZ
43297	578	56	occurred	occur	VBN
43297	578	57	appear	appear	VBP
43297	578	58	to	to	TO
43297	578	59	be	be	VB
43297	578	60	so	so	RB
43297	578	61	diverse	diverse	JJ
43297	578	62	that	that	IN
43297	578	63	it	-PRON-	PRP
43297	578	64	is	be	VBZ
43297	578	65	doubtful	doubtful	JJ
43297	578	66	if	if	IN
43297	578	67	any	any	DT
43297	578	68	simple	simple	JJ
43297	578	69	theory	theory	NN
43297	578	70	can	can	MD
43297	578	71	be	be	VB
43297	578	72	devised	devise	VBN
43297	578	73	which	which	WDT
43297	578	74	will	will	MD
43297	578	75	satisfactorily	satisfactorily	RB
43297	578	76	meet	meet	VB
43297	578	77	all	all	DT
43297	578	78	cases	case	NNS
43297	578	79	.	.	.
43297	579	1	(	(	-LRB-
43297	579	2	_	_	NNP
43297	579	3	a	a	DT
43297	579	4	_	_	NNP
43297	579	5	)	)	-RRB-
43297	579	6	The	the	DT
43297	579	7	decomposition	decomposition	NN
43297	579	8	of	of	IN
43297	579	9	the	the	DT
43297	579	10	granite	granite	NN
43297	579	11	,	,	,
43297	579	12	and	and	CC
43297	579	13	particularly	particularly	RB
43297	579	14	of	of	IN
43297	579	15	the	the	DT
43297	579	16	felspar	felspar	NNS
43297	579	17	within	within	IN
43297	579	18	it	-PRON-	PRP
43297	579	19	,	,	,
43297	579	20	may	may	MD
43297	579	21	be	be	VB
43297	579	22	ascribed	ascribe	VBN
43297	579	23	to	to	TO
43297	579	24	purely	purely	RB
43297	579	25	chemical	chemical	VB
43297	579	26	reactions	reaction	NNS
43297	579	27	in	in	IN
43297	579	28	which	which	WDT
43297	579	29	the	the	DT
43297	579	30	chief	chief	JJ
43297	579	31	agents	agent	NNS
43297	579	32	are	be	VBP
43297	579	33	water	water	NN
43297	579	34	and	and	CC
43297	579	35	carbon	carbon	NN
43297	579	36	dioxide	dioxide	NN
43297	579	37	.	.	.
43297	580	1	(	(	-LRB-
43297	580	2	_	_	NNP
43297	580	3	b	b	NNP
43297	580	4	_	_	NNP
43297	580	5	)	)	-RRB-
43297	580	6	Other	other	JJ
43297	580	7	substances	substance	NNS
43297	580	8	--	--	:
43297	580	9	possibly	possibly	RB
43297	580	10	of	of	IN
43297	580	11	an	an	DT
43297	580	12	organic	organic	JJ
43297	580	13	nature	nature	NN
43297	580	14	and	and	CC
43297	580	15	derived	derive	VBN
43297	580	16	from	from	IN
43297	580	17	the	the	DT
43297	580	18	soil	soil	NN
43297	580	19	--	--	:
43297	580	20	may	may	MD
43297	580	21	have	have	VB
43297	580	22	played	play	VBN
43297	580	23	an	an	DT
43297	580	24	important	important	JJ
43297	580	25	part	part	NN
43297	580	26	.	.	.
43297	581	1	(	(	-LRB-
43297	581	2	_	_	NNP
43297	581	3	c	c	NNP
43297	581	4	_	_	NNP
43297	581	5	)	)	-RRB-
43297	581	6	Wet	Wet	NNP
43297	581	7	steam	steam	NN
43297	581	8	and	and	CC
43297	581	9	hot	hot	JJ
43297	581	10	solutions	solution	NNS
43297	581	11	of	of	IN
43297	581	12	fluorine	fluorine	NN
43297	581	13	,	,	,
43297	581	14	boron	boron	NN
43297	581	15	or	or	CC
43297	581	16	sulphur	sulphur	NN
43297	581	17	compounds	compound	NNS
43297	581	18	may	may	MD
43297	581	19	have	have	VB
43297	581	20	effected	effect	VBN
43297	581	21	the	the	DT
43297	581	22	decomposition	decomposition	NN
43297	581	23	.	.	.
43297	582	1	The	the	DT
43297	582	2	recent	recent	JJ
43297	582	3	progress	progress	NN
43297	582	4	made	make	VBN
43297	582	5	in	in	IN
43297	582	6	the	the	DT
43297	582	7	application	application	NN
43297	582	8	of	of	IN
43297	582	9	the	the	DT
43297	582	10	laws	law	NNS
43297	582	11	of	of	IN
43297	582	12	physical	physical	JJ
43297	582	13	chemistry	chemistry	NN
43297	582	14	to	to	IN
43297	582	15	geological	geological	JJ
43297	582	16	problems	problem	NNS
43297	582	17	is	be	VBZ
43297	582	18	continually	continually	RB
43297	582	19	throwing	throw	VBG
43297	582	20	fresh	fresh	JJ
43297	582	21	light	light	NN
43297	582	22	on	on	IN
43297	582	23	this	this	DT
43297	582	24	interesting	interesting	JJ
43297	582	25	subject	subject	NN
43297	582	26	.	.	.
43297	583	1	Thus	thus	RB
43297	583	2	,	,	,
43297	583	3	studies	study	NNS
43297	583	4	of	of	IN
43297	583	5	the	the	DT
43297	583	6	dissociation	dissociation	NN
43297	583	7	pressures	pressure	NNS
43297	583	8	and	and	CC
43297	583	9	transition	transition	NN
43297	583	10	points	point	NNS
43297	583	11	between	between	IN
43297	583	12	the	the	DT
43297	583	13	anhydrous	anhydrous	JJ
43297	583	14	and	and	CC
43297	583	15	the	the	DT
43297	583	16	hydrous	hydrous	JJ
43297	583	17	states	state	NNS
43297	583	18	of	of	IN
43297	583	19	various	various	JJ
43297	583	20	substances	substance	NNS
43297	583	21	and	and	CC
43297	583	22	the	the	DT
43297	583	23	effect	effect	NN
43297	583	24	of	of	IN
43297	583	25	water	water	NN
43297	583	26	as	as	IN
43297	583	27	a	a	DT
43297	583	28	powerful	powerful	JJ
43297	583	29	agent	agent	NN
43297	583	30	of	of	IN
43297	583	31	decomposition	decomposition	NN
43297	583	32	(	(	-LRB-
43297	583	33	hydrolysis	hydrolysis	NN
43297	583	34	)	)	-RRB-
43297	583	35	have	have	VBP
43297	583	36	shown	show	VBN
43297	583	37	that	that	IN
43297	583	38	hydration	hydration	NN
43297	583	39	is	be	VBZ
43297	583	40	a	a	DT
43297	583	41	characteristic	characteristic	JJ
43297	583	42	result	result	NN
43297	583	43	of	of	IN
43297	583	44	decompositions	decomposition	NNS
43297	583	45	occurring	occur	VBG
43297	583	46	in	in	IN
43297	583	47	the	the	DT
43297	583	48	upper	upper	JJ
43297	583	49	portions	portion	NNS
43297	583	50	of	of	IN
43297	583	51	the	the	DT
43297	583	52	earth	earth	NN
43297	583	53	's	's	POS
43297	583	54	crust	crust	NN
43297	583	55	and	and	CC
43297	583	56	not	not	RB
43297	583	57	in	in	IN
43297	583	58	the	the	DT
43297	583	59	lower	low	JJR
43297	583	60	ones	one	NNS
43297	583	61	,	,	,
43297	583	62	and	and	CC
43297	583	63	that	that	IN
43297	583	64	it	-PRON-	PRP
43297	583	65	is	be	VBZ
43297	583	66	usually	usually	RB
43297	583	67	checked	check	VBN
43297	583	68	,	,	,
43297	583	69	or	or	CC
43297	583	70	even	even	RB
43297	583	71	reversed	reverse	VBN
43297	583	72	,	,	,
43297	583	73	when	when	WRB
43297	583	74	the	the	DT
43297	583	75	substance	substance	NN
43297	583	76	is	be	VBZ
43297	583	77	under	under	IN
43297	583	78	great	great	JJ
43297	583	79	pressure	pressure	NN
43297	583	80	.	.	.
43297	584	1	At	at	IN
43297	584	2	great	great	JJ
43297	584	3	depths	depth	NNS
43297	584	4	kaolins	kaolin	NNS
43297	584	5	and	and	CC
43297	584	6	other	other	JJ
43297	584	7	complex	complex	JJ
43297	584	8	hydrous	hydrous	JJ
43297	584	9	silicates	silicate	NNS
43297	584	10	give	give	VB
43297	584	11	place	place	NN
43297	584	12	to	to	IN
43297	584	13	anhydrous	anhydrous	JJ
43297	584	14	ones	one	NNS
43297	584	15	such	such	JJ
43297	584	16	as	as	IN
43297	584	17	muscovite	muscovite	NNP
43297	584	18	,	,	,
43297	584	19	andalusite	andalusite	NNP
43297	584	20	and	and	CC
43297	584	21	staurolite	staurolite	JJ
43297	584	22	.	.	.
43297	585	1	There	there	EX
43297	585	2	is	be	VBZ
43297	585	3	,	,	,
43297	585	4	therefore	therefore	RB
43297	585	5	,	,	,
43297	585	6	good	good	JJ
43297	585	7	reason	reason	NN
43297	585	8	to	to	TO
43297	585	9	believe	believe	VB
43297	585	10	that	that	IN
43297	585	11	the	the	DT
43297	585	12	kaolinization	kaolinization	NN
43297	585	13	of	of	IN
43297	585	14	Cornish	cornish	JJ
43297	585	15	felspar	felspar	NN
43297	585	16	has	have	VBZ
43297	585	17	occurred	occur	VBN
43297	585	18	at	at	IN
43297	585	19	only	only	JJ
43297	585	20	moderate	moderate	JJ
43297	585	21	depths	depth	NNS
43297	585	22	from	from	IN
43297	585	23	the	the	DT
43297	585	24	surface	surface	NN
43297	585	25	and	and	CC
43297	585	26	that	that	IN
43297	585	27	it	-PRON-	PRP
43297	585	28	has	have	VBZ
43297	585	29	been	be	VBN
43297	585	30	chiefly	chiefly	RB
43297	585	31	produced	produce	VBN
43297	585	32	by	by	IN
43297	585	33	the	the	DT
43297	585	34	action	action	NN
43297	585	35	of	of	IN
43297	585	36	water	water	NN
43297	585	37	containing	contain	VBG
43297	585	38	acid	acid	JJ
43297	585	39	gases	gas	NNS
43297	585	40	in	in	IN
43297	585	41	solution	solution	NN
43297	585	42	.	.	.
43297	586	1	The	the	DT
43297	586	2	acid	acid	NN
43297	586	3	in	in	IN
43297	586	4	the	the	DT
43297	586	5	water	water	NN
43297	586	6	may	may	MD
43297	586	7	have	have	VB
43297	586	8	been	be	VBN
43297	586	9	absorbed	absorb	VBN
43297	586	10	from	from	IN
43297	586	11	the	the	DT
43297	586	12	atmosphere	atmosphere	NN
43297	586	13	,	,	,
43297	586	14	or	or	CC
43297	586	15	it	-PRON-	PRP
43297	586	16	may	may	MD
43297	586	17	be	be	VB
43297	586	18	due	due	IN
43297	586	19	to	to	IN
43297	586	20	vapours	vapour	NNS
43297	586	21	rising	rise	VBG
43297	586	22	from	from	IN
43297	586	23	below	below	RB
43297	586	24	through	through	IN
43297	586	25	the	the	DT
43297	586	26	felspathic	felspathic	JJ
43297	586	27	material	material	NN
43297	586	28	.	.	.
43297	587	1	In	in	IN
43297	587	2	Great	Great	NNP
43297	587	3	Britain	Britain	NNP
43297	587	4	,	,	,
43297	587	5	china	china	NNP
43297	587	6	clay	clay	NNP
43297	587	7	occurs	occur	VBZ
43297	587	8	in	in	IN
43297	587	9	the	the	DT
43297	587	10	form	form	NN
43297	587	11	of	of	IN
43297	587	12	powdery	powdery	NN
43297	587	13	particles	particle	NNS
43297	587	14	apparently	apparently	RB
43297	587	15	amorphous	amorphous	JJ
43297	587	16	,	,	,
43297	587	17	but	but	CC
43297	587	18	containing	contain	VBG
43297	587	19	some	some	DT
43297	587	20	crystals	crystal	NNS
43297	587	21	,	,	,
43297	587	22	scattered	scatter	VBN
43297	587	23	through	through	IN
43297	587	24	a	a	DT
43297	587	25	mass	mass	NN
43297	587	26	of	of	IN
43297	587	27	harder	hard	JJR
43297	587	28	rock	rock	NN
43297	587	29	,	,	,
43297	587	30	the	the	DT
43297	587	31	whole	whole	JJ
43297	587	32	being	be	VBG
43297	587	33	known	know	VBN
43297	587	34	as	as	IN
43297	587	35	china	china	NNP
43297	587	36	clay	clay	NNP
43297	587	37	rock	rock	NNP
43297	587	38	or	or	CC
43297	587	39	'	'	``
43297	587	40	carclazite	carclazite	JJ
43297	587	41	.	.	.
43297	587	42	'	'	''
43297	588	1	The	the	DT
43297	588	2	softer	soft	JJR
43297	588	3	portions	portion	NNS
43297	588	4	of	of	IN
43297	588	5	this	this	DT
43297	588	6	china	china	NNP
43297	588	7	clay	clay	NNP
43297	588	8	rock	rock	NNP
43297	588	9	are	be	VBP
43297	588	10	known	know	VBN
43297	588	11	as	as	IN
43297	588	12	'	'	``
43297	588	13	growan	growan	NN
43297	588	14	'	'	''
43297	588	15	and	and	CC
43297	588	16	the	the	DT
43297	588	17	china	china	NNP
43297	588	18	clay	clay	NN
43297	588	19	in	in	IN
43297	588	20	it	-PRON-	PRP
43297	588	21	represents	represent	VBZ
43297	588	22	only	only	RB
43297	588	23	a	a	DT
43297	588	24	small	small	JJ
43297	588	25	proportion	proportion	NN
43297	588	26	of	of	IN
43297	588	27	the	the	DT
43297	588	28	whole	whole	JJ
43297	588	29	material	material	NN
43297	588	30	.	.	.
43297	589	1	The	the	DT
43297	589	2	finer	fine	JJR
43297	589	3	particles	particle	NNS
43297	589	4	of	of	IN
43297	589	5	clay	clay	NN
43297	589	6	and	and	CC
43297	589	7	other	other	JJ
43297	589	8	materials	material	NNS
43297	589	9	are	be	VBP
43297	589	10	removed	remove	VBN
43297	589	11	by	by	IN
43297	589	12	treatment	treatment	NN
43297	589	13	with	with	IN
43297	589	14	water	water	NN
43297	589	15	,	,	,
43297	589	16	whereby	whereby	WRB
43297	589	17	one	one	CD
43297	589	18	-	-	HYPH
43297	589	19	third	third	NN
43297	589	20	to	to	IN
43297	589	21	one	one	CD
43297	589	22	-	-	HYPH
43297	589	23	eighth	eighth	NN
43297	589	24	of	of	IN
43297	589	25	the	the	DT
43297	589	26	material	material	NN
43297	589	27	is	be	VBZ
43297	589	28	separated	separate	VBN
43297	589	29	.	.	.
43297	590	1	This	this	DT
43297	590	2	small	small	JJ
43297	590	3	proportion	proportion	NN
43297	590	4	is	be	VBZ
43297	590	5	then	then	RB
43297	590	6	subjected	subject	VBN
43297	590	7	to	to	IN
43297	590	8	further	further	JJ
43297	590	9	washing	washing	NN
43297	590	10	and	and	CC
43297	590	11	sedimentation	sedimentation	NN
43297	590	12	in	in	IN
43297	590	13	order	order	NN
43297	590	14	to	to	TO
43297	590	15	obtain	obtain	VB
43297	590	16	the	the	DT
43297	590	17	china	china	NNP
43297	590	18	clay	clay	NN
43297	590	19	in	in	IN
43297	590	20	a	a	DT
43297	590	21	state	state	NN
43297	590	22	of	of	IN
43297	590	23	commercial	commercial	JJ
43297	590	24	purity	purity	NN
43297	590	25	.	.	.
43297	591	1	It	-PRON-	PRP
43297	591	2	will	will	MD
43297	591	3	thus	thus	RB
43297	591	4	be	be	VB
43297	591	5	understood	understand	VBN
43297	591	6	that	that	IN
43297	591	7	the	the	DT
43297	591	8	Cornish	cornish	JJ
43297	591	9	china	china	NNP
43297	591	10	clays	clay	NNS
43297	591	11	are	be	VBP
43297	591	12	not	not	RB
43297	591	13	'	'	``
43297	591	14	deposits	deposit	NNS
43297	591	15	'	'	''
43297	591	16	in	in	IN
43297	591	17	the	the	DT
43297	591	18	usual	usual	JJ
43297	591	19	acceptation	acceptation	NN
43297	591	20	of	of	IN
43297	591	21	that	that	DT
43297	591	22	term	term	NN
43297	591	23	,	,	,
43297	591	24	the	the	DT
43297	591	25	soft	soft	JJ
43297	591	26	growan	growan	NN
43297	591	27	from	from	IN
43297	591	28	which	which	WDT
43297	591	29	they	-PRON-	PRP
43297	591	30	are	be	VBP
43297	591	31	obtained	obtain	VBN
43297	591	32	being	be	VBG
43297	591	33	almost	almost	RB
43297	591	34	invariably	invariably	RB
43297	591	35	the	the	DT
43297	591	36	result	result	NN
43297	591	37	of	of	IN
43297	591	38	decomposition	decomposition	NN
43297	591	39	_	_	NNP
43297	591	40	in	in	IN
43297	591	41	situ	situ	VBN
43297	591	42	_	_	NNP
43297	591	43	of	of	IN
43297	591	44	some	some	DT
43297	591	45	species	specie	NNS
43297	591	46	of	of	IN
43297	591	47	felspar	felspar	NNS
43297	591	48	in	in	IN
43297	591	49	disintegrated	disintegrate	VBN
43297	591	50	granite	granite	NN
43297	591	51	.	.	.
43297	592	1	The	the	DT
43297	592	2	commercial	commercial	JJ
43297	592	3	kaolins	kaolin	NNS
43297	592	4	of	of	IN
43297	592	5	France	France	NNP
43297	592	6	,	,	,
43297	592	7	Germany	Germany	NNP
43297	592	8	,	,	,
43297	592	9	America	America	NNP
43297	592	10	and	and	CC
43297	592	11	China	China	NNP
43297	592	12	very	very	RB
43297	592	13	closely	closely	RB
43297	592	14	resemble	resemble	VBP
43297	592	15	the	the	DT
43297	592	16	Cornish	cornish	JJ
43297	592	17	china	china	NNP
43297	592	18	clays	clay	NNS
43297	592	19	in	in	IN
43297	592	20	composition	composition	NN
43297	592	21	,	,	,
43297	592	22	but	but	CC
43297	592	23	when	when	WRB
43297	592	24	used	use	VBN
43297	592	25	in	in	IN
43297	592	26	the	the	DT
43297	592	27	manufacture	manufacture	NN
43297	592	28	of	of	IN
43297	592	29	porcelain	porcelain	NN
43297	592	30	they	-PRON-	PRP
43297	592	31	create	create	VBP
43297	592	32	differences	difference	NNS
43297	592	33	in	in	IN
43297	592	34	the	the	DT
43297	592	35	finished	finished	JJ
43297	592	36	material	material	NN
43297	592	37	which	which	WDT
43297	592	38	are	be	VBP
43297	592	39	clearly	clearly	RB
43297	592	40	noticeable	noticeable	JJ
43297	592	41	,	,	,
43297	592	42	though	though	IN
43297	592	43	microscopical	microscopical	JJ
43297	592	44	examination	examination	NN
43297	592	45	and	and	CC
43297	592	46	chemical	chemical	NN
43297	592	47	analysis	analysis	NN
43297	592	48	,	,	,
43297	592	49	at	at	IN
43297	592	50	present	present	NN
43297	592	51	,	,	,
43297	592	52	fail	fail	VBP
43297	592	53	to	to	TO
43297	592	54	distinguish	distinguish	VB
43297	592	55	between	between	IN
43297	592	56	them	-PRON-	PRP
43297	592	57	in	in	IN
43297	592	58	the	the	DT
43297	592	59	raw	raw	JJ
43297	592	60	state	state	NN
43297	592	61	on	on	IN
43297	592	62	account	account	NN
43297	592	63	of	of	IN
43297	592	64	their	-PRON-	PRP$
43297	592	65	great	great	JJ
43297	592	66	resistance	resistance	NN
43297	592	67	to	to	IN
43297	592	68	ordinary	ordinary	JJ
43297	592	69	chemical	chemical	NN
43297	592	70	and	and	CC
43297	592	71	physical	physical	JJ
43297	592	72	forces	force	NNS
43297	592	73	.	.	.
43297	593	1	In	in	IN
43297	593	2	addition	addition	NN
43297	593	3	to	to	IN
43297	593	4	the	the	DT
43297	593	5	breaking	breaking	NN
43297	593	6	up	up	RP
43297	593	7	of	of	IN
43297	593	8	felspathic	felspathic	JJ
43297	593	9	rocks	rock	NNS
43297	593	10	with	with	IN
43297	593	11	the	the	DT
43297	593	12	formation	formation	NN
43297	593	13	of	of	IN
43297	593	14	china	china	NNP
43297	593	15	clay	clay	NNP
43297	593	16	or	or	CC
43297	593	17	kaolin	kaolin	NNP
43297	593	18	(	(	-LRB-
43297	593	19	kaolinization	kaolinization	NNP
43297	593	20	)	)	-RRB-
43297	593	21	,	,	,
43297	593	22	other	other	JJ
43297	593	23	decompositions	decomposition	NNS
43297	593	24	which	which	WDT
43297	593	25	occur	occur	VBP
43297	593	26	may	may	MD
43297	593	27	result	result	VB
43297	593	28	in	in	IN
43297	593	29	the	the	DT
43297	593	30	formation	formation	NN
43297	593	31	of	of	IN
43297	593	32	clays	clay	NNS
43297	593	33	,	,	,
43297	593	34	and	and	CC
43297	593	35	an	an	DT
43297	593	36	examination	examination	NN
43297	593	37	of	of	IN
43297	593	38	a	a	DT
43297	593	39	considerable	considerable	JJ
43297	593	40	number	number	NN
43297	593	41	of	of	IN
43297	593	42	clays	clay	NNS
43297	593	43	by	by	IN
43297	593	44	J.	J.	NNP
43297	593	45	M.	M.	NNP
43297	593	46	van	van	NNP
43297	593	47	Bemmelen	Bemmelen	NNP
43297	593	48	(	(	-LRB-
43297	593	49	26	26	CD
43297	593	50	)	)	-RRB-
43297	593	51	has	have	VBZ
43297	593	52	led	lead	VBN
43297	593	53	him	-PRON-	PRP
43297	593	54	to	to	TO
43297	593	55	suppose	suppose	VB
43297	593	56	that	that	IN
43297	593	57	several	several	JJ
43297	593	58	different	different	JJ
43297	593	59	clay	clay	NN
43297	593	60	-	-	HYPH
43297	593	61	forming	form	VBG
43297	593	62	forces	force	NNS
43297	593	63	have	have	VBP
43297	593	64	been	be	VBN
43297	593	65	at	at	IN
43297	593	66	work	work	NN
43297	593	67	in	in	IN
43297	593	68	the	the	DT
43297	593	69	production	production	NN
43297	593	70	of	of	IN
43297	593	71	clays	clay	NNS
43297	593	72	.	.	.
43297	594	1	He	-PRON-	PRP
43297	594	2	classifies	classify	VBZ
43297	594	3	these	these	DT
43297	594	4	under	under	IN
43297	594	5	four	four	CD
43297	594	6	heads	head	NNS
43297	594	7	:	:	:
43297	594	8	(	(	-LRB-
43297	594	9	1	1	LS
43297	594	10	)	)	-RRB-
43297	594	11	_	_	NNP
43297	594	12	Kaolinization	Kaolinization	NNP
43297	594	13	_	_	NNP
43297	594	14	,	,	,
43297	594	15	or	or	CC
43297	594	16	the	the	DT
43297	594	17	decomposition	decomposition	NN
43297	594	18	of	of	IN
43297	594	19	felspathic	felspathic	JJ
43297	594	20	and	and	CC
43297	594	21	similar	similar	JJ
43297	594	22	rocks	rock	NNS
43297	594	23	by	by	IN
43297	594	24	the	the	DT
43297	594	25	action	action	NN
43297	594	26	of	of	IN
43297	594	27	telluric	telluric	NN
43297	594	28	water	water	NN
43297	594	29	containing	contain	VBG
43297	594	30	active	active	JJ
43297	594	31	gases	gas	NNS
43297	594	32	in	in	IN
43297	594	33	solution	solution	NN
43297	594	34	.	.	.
43297	595	1	(	(	-LRB-
43297	595	2	2	2	LS
43297	595	3	)	)	-RRB-
43297	595	4	_	_	NNP
43297	595	5	Ordinary	ordinary	JJ
43297	595	6	weathering	weather	VBG
43297	595	7	_	_	NNP
43297	595	8	in	in	IN
43297	595	9	which	which	WDT
43297	595	10	the	the	DT
43297	595	11	action	action	NN
43297	595	12	is	be	VBZ
43297	595	13	largely	largely	RB
43297	595	14	mechanical	mechanical	JJ
43297	595	15	,	,	,
43297	595	16	but	but	CC
43297	595	17	is	be	VBZ
43297	595	18	accompanied	accompany	VBN
43297	595	19	by	by	IN
43297	595	20	some	some	DT
43297	595	21	hydrolysis	hydrolysis	NN
43297	595	22	owing	owe	VBG
43297	595	23	to	to	IN
43297	595	24	the	the	DT
43297	595	25	impurities	impurity	NNS
43297	595	26	contained	contain	VBN
43297	595	27	in	in	IN
43297	595	28	the	the	DT
43297	595	29	water	water	NN
43297	595	30	which	which	WDT
43297	595	31	is	be	VBZ
43297	595	32	an	an	DT
43297	595	33	essential	essential	JJ
43297	595	34	factor	factor	NN
43297	595	35	.	.	.
43297	596	1	(	(	-LRB-
43297	596	2	3	3	LS
43297	596	3	)	)	-RRB-
43297	596	4	_	_	NNP
43297	596	5	Lateritic	lateritic	JJ
43297	596	6	action_--or	action_--or	NNP
43297	596	7	simple	simple	JJ
43297	596	8	decomposition	decomposition	NN
43297	596	9	by	by	IN
43297	596	10	heat	heat	NN
43297	596	11	--	--	:
43297	596	12	which	which	WDT
43297	596	13	occurs	occur	VBZ
43297	596	14	chiefly	chiefly	RB
43297	596	15	under	under	IN
43297	596	16	tropical	tropical	JJ
43297	596	17	conditions	condition	NNS
43297	596	18	,	,	,
43297	596	19	but	but	CC
43297	596	20	may	may	MD
43297	596	21	also	also	RB
43297	596	22	occur	occur	VB
43297	596	23	in	in	IN
43297	596	24	temperate	temperate	NN
43297	596	25	climates	climate	VBZ
43297	596	26	,	,	,
43297	596	27	and	and	CC
43297	596	28	has	have	VBZ
43297	596	29	for	for	IN
43297	596	30	its	-PRON-	PRP$
43297	596	31	main	main	JJ
43297	596	32	product	product	NN
43297	596	33	a	a	DT
43297	596	34	mixture	mixture	NN
43297	596	35	of	of	IN
43297	596	36	free	free	JJ
43297	596	37	silica	silica	NNP
43297	596	38	and	and	CC
43297	596	39	alumina	alumina	NNP
43297	596	40	,	,	,
43297	596	41	the	the	DT
43297	596	42	latter	latter	JJ
43297	596	43	being	be	VBG
43297	596	44	in	in	IN
43297	596	45	the	the	DT
43297	596	46	form	form	NN
43297	596	47	of	of	IN
43297	596	48	(	(	-LRB-
43297	596	49	amorphous	amorphous	JJ
43297	596	50	)	)	-RRB-
43297	596	51	'	'	''
43297	596	52	laterite	laterite	JJ
43297	596	53	.	.	.
43297	596	54	'	'	''
43297	597	1	It	-PRON-	PRP
43297	597	2	may	may	MD
43297	597	3	not	not	RB
43297	597	4	improbably	improbably	RB
43297	597	5	be	be	VB
43297	597	6	a	a	DT
43297	597	7	result	result	NN
43297	597	8	of	of	IN
43297	597	9	the	the	DT
43297	597	10	decomposition	decomposition	NN
43297	597	11	of	of	IN
43297	597	12	the	the	DT
43297	597	13	clay	clay	NN
43297	597	14	molecule	molecule	NN
43297	597	15	similar	similar	JJ
43297	597	16	to	to	IN
43297	597	17	that	that	DT
43297	597	18	which	which	WDT
43297	597	19	occurs	occur	VBZ
43297	597	20	when	when	WRB
43297	597	21	china	china	NNP
43297	597	22	clay	clay	NNP
43297	597	23	is	be	VBZ
43297	597	24	heated	heated	JJ
43297	597	25	,	,	,
43297	597	26	as	as	IN
43297	597	27	there	there	EX
43297	597	28	is	be	VBZ
43297	597	29	no	no	DT
43297	597	30	temperature	temperature	NN
43297	597	31	below	below	IN
43297	597	32	which	which	WDT
43297	597	33	it	-PRON-	PRP
43297	597	34	can	can	MD
43297	597	35	be	be	VB
43297	597	36	said	say	VBN
43297	597	37	that	that	IN
43297	597	38	china	china	NNP
43297	597	39	clay	clay	NNP
43297	597	40	does	do	VBZ
43297	597	41	not	not	RB
43297	597	42	decompose	decompose	VB
43297	597	43	into	into	IN
43297	597	44	free	free	JJ
43297	597	45	silica	silica	NNP
43297	597	46	and	and	CC
43297	597	47	alumina	alumina	NNP
43297	597	48	(	(	-LRB-
43297	597	49	29	29	CD
43297	597	50	)	)	-RRB-
43297	597	51	.	.	.
43297	598	1	(	(	-LRB-
43297	598	2	4	4	LS
43297	598	3	)	)	-RRB-
43297	598	4	_	_	NNP
43297	598	5	Secondary	secondary	JJ
43297	598	6	reactions	reaction	NNS
43297	598	7	_	_	NNP
43297	598	8	in	in	IN
43297	598	9	which	which	WDT
43297	598	10	the	the	DT
43297	598	11	products	product	NNS
43297	598	12	of	of	IN
43297	598	13	one	one	CD
43297	598	14	of	of	IN
43297	598	15	the	the	DT
43297	598	16	reactions	reaction	NNS
43297	598	17	previously	previously	RB
43297	598	18	described	describe	VBN
43297	598	19	may	may	MD
43297	598	20	undergo	undergo	VB
43297	598	21	further	further	JJ
43297	598	22	changes	change	NNS
43297	598	23	,	,	,
43297	598	24	as	as	IN
43297	598	25	the	the	DT
43297	598	26	conversion	conversion	NN
43297	598	27	of	of	IN
43297	598	28	amorphous	amorphous	JJ
43297	598	29	clayite	clayite	NNP
43297	598	30	into	into	IN
43297	598	31	crystalline	crystalline	NN
43297	598	32	kaolinite	kaolinite	NNP
43297	598	33	,	,	,
43297	598	34	or	or	CC
43297	598	35	amorphous	amorphous	JJ
43297	598	36	laterite	laterite	NN
43297	598	37	into	into	IN
43297	598	38	crystalline	crystalline	NN
43297	598	39	hydrargillite	hydrargillite	NNP
43297	598	40	.	.	.
43297	599	1	Weathering	weather	VBG
43297	599	2	.	.	.
43297	600	1	The	the	DT
43297	600	2	action	action	NN
43297	600	3	of	of	IN
43297	600	4	the	the	DT
43297	600	5	forces	force	NNS
43297	600	6	conveniently	conveniently	RB
43297	600	7	classed	class	VBN
43297	600	8	under	under	IN
43297	600	9	the	the	DT
43297	600	10	term	term	NN
43297	600	11	_	_	NNP
43297	600	12	weathering	weather	VBG
43297	600	13	_	_	NNP
43297	600	14	are	be	VBP
43297	600	15	of	of	IN
43297	600	16	two	two	CD
43297	600	17	main	main	JJ
43297	600	18	kinds	kind	NNS
43297	600	19	:	:	:
43297	600	20	(	(	-LRB-
43297	600	21	_	_	NNP
43297	600	22	a	a	DT
43297	600	23	_	_	NNP
43297	600	24	)	)	-RRB-
43297	600	25	The	the	DT
43297	600	26	_	_	NNP
43297	600	27	mechanical	mechanical	JJ
43297	600	28	grinding	grind	VBG
43297	600	29	_	_	NNP
43297	600	30	of	of	IN
43297	600	31	sandstone	sandstone	NN
43297	600	32	,	,	,
43297	600	33	quartzite	quartzite	NNP
43297	600	34	,	,	,
43297	600	35	limestone	limestone	NN
43297	600	36	,	,	,
43297	600	37	and	and	CC
43297	600	38	other	other	JJ
43297	600	39	rocks	rock	NNS
43297	600	40	,	,	,
43297	600	41	causes	cause	VBZ
43297	600	42	an	an	DT
43297	600	43	addition	addition	NN
43297	600	44	of	of	IN
43297	600	45	adventitious	adventitious	JJ
43297	600	46	material	material	NN
43297	600	47	to	to	IN
43297	600	48	clay	clay	NN
43297	600	49	,	,	,
43297	600	50	the	the	DT
43297	600	51	proportions	proportion	NNS
43297	600	52	being	be	VBG
43297	600	53	sometimes	sometimes	RB
43297	600	54	so	so	RB
43297	600	55	large	large	JJ
43297	600	56	as	as	IN
43297	600	57	to	to	TO
43297	600	58	render	render	VB
43297	600	59	it	-PRON-	PRP
43297	600	60	necessary	necessary	JJ
43297	600	61	to	to	TO
43297	600	62	term	term	VB
43297	600	63	the	the	DT
43297	600	64	material	material	NN
43297	600	65	an	an	DT
43297	600	66	argillaceous	argillaceous	JJ
43297	600	67	sand	sand	NN
43297	600	68	,	,	,
43297	600	69	rather	rather	RB
43297	600	70	than	than	IN
43297	600	71	a	a	DT
43297	600	72	sandy	sandy	JJ
43297	600	73	clay	clay	NN
43297	600	74	.	.	.
43297	601	1	Some	some	DT
43297	601	2	of	of	IN
43297	601	3	these	these	DT
43297	601	4	grains	grain	NNS
43297	601	5	of	of	IN
43297	601	6	mineral	mineral	NN
43297	601	7	matter	matter	NN
43297	601	8	are	be	VBP
43297	601	9	so	so	RB
43297	601	10	minute	minute	JJ
43297	601	11	and	and	CC
43297	601	12	so	so	RB
43297	601	13	resistant	resistant	JJ
43297	601	14	to	to	IN
43297	601	15	the	the	DT
43297	601	16	ordinary	ordinary	JJ
43297	601	17	chemical	chemical	JJ
43297	601	18	reagents	reagent	NNS
43297	601	19	as	as	IN
43297	601	20	to	to	TO
43297	601	21	make	make	VB
43297	601	22	it	-PRON-	PRP
43297	601	23	extremely	extremely	RB
43297	601	24	difficult	difficult	JJ
43297	601	25	to	to	TO
43297	601	26	distinguish	distinguish	VB
43297	601	27	them	-PRON-	PRP
43297	601	28	from	from	IN
43297	601	29	clay	clay	NN
43297	601	30	.	.	.
43297	602	1	(	(	-LRB-
43297	602	2	_	_	NNP
43297	602	3	b	b	NNP
43297	602	4	_	_	NNP
43297	602	5	)	)	-RRB-
43297	602	6	The	the	DT
43297	602	7	_	_	NNP
43297	602	8	chemical	chemical	NN
43297	602	9	decomposition	decomposition	NN
43297	602	10	_	_	NNP
43297	602	11	due	due	IN
43297	602	12	to	to	IN
43297	602	13	the	the	DT
43297	602	14	action	action	NN
43297	602	15	of	of	IN
43297	602	16	very	very	RB
43297	602	17	dilute	dilute	JJ
43297	602	18	solutions	solution	NNS
43297	602	19	.	.	.
43297	603	1	By	by	IN
43297	603	2	this	this	DT
43297	603	3	means	mean	VBZ
43297	603	4	simple	simple	JJ
43297	603	5	silicates	silicate	NNS
43297	603	6	are	be	VBP
43297	603	7	decomposed	decompose	VBN
43297	603	8	with	with	IN
43297	603	9	the	the	DT
43297	603	10	formation	formation	NN
43297	603	11	of	of	IN
43297	603	12	colloidal	colloidal	JJ
43297	603	13	silica	silica	NN
43297	603	14	which	which	WDT
43297	603	15	may	may	MD
43297	603	16	either	either	CC
43297	603	17	remain	remain	VB
43297	603	18	in	in	IN
43297	603	19	solution	solution	NN
43297	603	20	or	or	CC
43297	603	21	may	may	MD
43297	603	22	be	be	VB
43297	603	23	deposited	deposit	VBN
43297	603	24	in	in	IN
43297	603	25	a	a	DT
43297	603	26	coagulated	coagulate	VBN
43297	603	27	form	form	NN
43297	603	28	.	.	.
43297	604	1	At	at	IN
43297	604	2	the	the	DT
43297	604	3	same	same	JJ
43297	604	4	time	time	NN
43297	604	5	,	,	,
43297	604	6	some	some	DT
43297	604	7	alumino	alumino	JJ
43297	604	8	-	-	HYPH
43297	604	9	silicates	silicate	NNS
43297	604	10	will	will	MD
43297	604	11	be	be	VB
43297	604	12	similarly	similarly	RB
43297	604	13	decomposed	decompose	VBN
43297	604	14	into	into	IN
43297	604	15	colloidal	colloidal	JJ
43297	604	16	alumino	alumino	NNP
43297	604	17	-	-	HYPH
43297	604	18	silicic	silicic	NN
43297	604	19	acids	acid	NNS
43297	604	20	or	or	CC
43297	604	21	clays	clay	NNS
43297	604	22	.	.	.
43297	605	1	The	the	DT
43297	605	2	ultimate	ultimate	JJ
43297	605	3	results	result	NNS
43297	605	4	of	of	IN
43297	605	5	the	the	DT
43297	605	6	action	action	NN
43297	605	7	of	of	IN
43297	605	8	ordinary	ordinary	JJ
43297	605	9	weathering	weathering	NN
43297	605	10	on	on	IN
43297	605	11	silicate	silicate	NN
43297	605	12	rocks	rock	NNS
43297	605	13	are	be	VBP
43297	605	14	,	,	,
43297	605	15	therefore	therefore	RB
43297	605	16	,	,	,
43297	605	17	sands	sand	NNS
43297	605	18	and	and	CC
43297	605	19	clays	clay	NNS
43297	605	20	,	,	,
43297	605	21	the	the	DT
43297	605	22	latter	latter	JJ
43297	605	23	being	being	NN
43297	605	24	in	in	IN
43297	605	25	some	some	DT
43297	605	26	ways	way	NNS
43297	605	27	quite	quite	RB
43297	605	28	distinct	distinct	JJ
43297	605	29	in	in	IN
43297	605	30	their	-PRON-	PRP$
43297	605	31	origin	origin	NN
43297	605	32	and	and	CC
43297	605	33	physical	physical	JJ
43297	605	34	properties	property	NNS
43297	605	35	from	from	IN
43297	605	36	the	the	DT
43297	605	37	china	china	NNP
43297	605	38	clays	clay	NNS
43297	605	39	.	.	.
43297	606	1	According	accord	VBG
43297	606	2	to	to	IN
43297	606	3	J.	J.	NNP
43297	606	4	M.	M.	NNP
43297	606	5	van	van	NNP
43297	606	6	Bemmelen	Bemmelen	NNP
43297	606	7	(	(	-LRB-
43297	606	8	26	26	CD
43297	606	9	)	)	-RRB-
43297	606	10	such	such	JJ
43297	606	11	clays	clay	NNS
43297	606	12	also	also	RB
43297	606	13	contain	contain	VBP
43297	606	14	an	an	DT
43297	606	15	alumino	alumino	JJ
43297	606	16	-	-	HYPH
43297	606	17	silicate	silicate	NN
43297	606	18	soluble	soluble	JJ
43297	606	19	in	in	IN
43297	606	20	boiling	boil	VBG
43297	606	21	hydrochloric	hydrochloric	JJ
43297	606	22	acid	acid	NN
43297	606	23	followed	follow	VBN
43297	606	24	by	by	IN
43297	606	25	caustic	caustic	JJ
43297	606	26	soda	soda	NN
43297	606	27	,	,	,
43297	606	28	whereas	whereas	IN
43297	606	29	pure	pure	JJ
43297	606	30	china	china	NNP
43297	606	31	clays	clay	NNS
43297	606	32	are	be	VBP
43297	606	33	unaffected	unaffected	JJ
43297	606	34	by	by	IN
43297	606	35	this	this	DT
43297	606	36	treatment	treatment	NN
43297	606	37	.	.	.
43297	607	1	The	the	DT
43297	607	2	variety	variety	NN
43297	607	3	of	of	IN
43297	607	4	silicates	silicate	NNS
43297	607	5	and	and	CC
43297	607	6	other	other	JJ
43297	607	7	minerals	mineral	NNS
43297	607	8	which	which	WDT
43297	607	9	--	--	:
43297	607	10	in	in	IN
43297	607	11	a	a	DT
43297	607	12	partially	partially	RB
43297	607	13	decomposed	decompose	VBN
43297	607	14	condition	condition	NN
43297	607	15	--	--	:
43297	607	16	go	go	VB
43297	607	17	to	to	TO
43297	607	18	form	form	VB
43297	607	19	'	'	``
43297	607	20	clays	clay	NNS
43297	607	21	'	'	''
43297	607	22	is	be	VBZ
43297	607	23	so	so	RB
43297	607	24	great	great	JJ
43297	607	25	that	that	IN
43297	607	26	the	the	DT
43297	607	27	complete	complete	JJ
43297	607	28	separation	separation	NN
43297	607	29	of	of	IN
43297	607	30	the	the	DT
43297	607	31	smallest	small	JJS
43297	607	32	particles	particle	NNS
43297	607	33	of	of	IN
43297	607	34	them	-PRON-	PRP
43297	607	35	from	from	IN
43297	607	36	those	those	DT
43297	607	37	of	of	IN
43297	607	38	the	the	DT
43297	607	39	true	true	JJ
43297	607	40	clay	clay	NN
43297	607	41	present	present	NN
43297	607	42	has	have	VBZ
43297	607	43	never	never	RB
43297	607	44	been	be	VBN
43297	607	45	accomplished	accomplish	VBN
43297	607	46	and	and	CC
43297	607	47	our	-PRON-	PRP$
43297	607	48	knowledge	knowledge	NN
43297	607	49	of	of	IN
43297	607	50	the	the	DT
43297	607	51	mineralogical	mineralogical	JJ
43297	607	52	constitution	constitution	NN
43297	607	53	of	of	IN
43297	607	54	many	many	JJ
43297	607	55	of	of	IN
43297	607	56	the	the	DT
43297	607	57	best	well	RBS
43297	607	58	known	know	VBN
43297	607	59	clays	clay	NNS
43297	607	60	is	be	VBZ
43297	607	61	far	far	RB
43297	607	62	from	from	IN
43297	607	63	complete	complete	JJ
43297	607	64	.	.	.
43297	608	1	It	-PRON-	PRP
43297	608	2	is	be	VBZ
43297	608	3	highly	highly	RB
43297	608	4	probable	probable	JJ
43297	608	5	that	that	IN
43297	608	6	the	the	DT
43297	608	7	action	action	NN
43297	608	8	of	of	IN
43297	608	9	water	water	NN
43297	608	10	does	do	VBZ
43297	608	11	not	not	RB
43297	608	12	cease	cease	VB
43297	608	13	with	with	IN
43297	608	14	the	the	DT
43297	608	15	formation	formation	NN
43297	608	16	of	of	IN
43297	608	17	clay	clay	NN
43297	608	18	,	,	,
43297	608	19	but	but	CC
43297	608	20	that	that	IN
43297	608	21	it	-PRON-	PRP
43297	608	22	slowly	slowly	RB
43297	608	23	effects	effect	VBZ
43297	608	24	an	an	DT
43297	608	25	increase	increase	NN
43297	608	26	in	in	IN
43297	608	27	the	the	DT
43297	608	28	plasticity	plasticity	NN
43297	608	29	of	of	IN
43297	608	30	the	the	DT
43297	608	31	clay	clay	NN
43297	608	32	.	.	.
43297	609	1	There	there	EX
43297	609	2	thus	thus	RB
43297	609	3	appear	appear	VBP
43297	609	4	to	to	TO
43297	609	5	be	be	VB
43297	609	6	at	at	RB
43297	609	7	least	least	RBS
43297	609	8	three	three	CD
43297	609	9	kinds	kind	NNS
43297	609	10	of	of	IN
43297	609	11	primary	primary	JJ
43297	609	12	clay	clay	NN
43297	609	13	,	,	,
43297	609	14	viz	viz	NN
43297	609	15	.	.	.
43297	610	1	:	:	:
43297	610	2	_	_	NNP
43297	610	3	Kaolinic	Kaolinic	NNP
43297	610	4	_	_	NNP
43297	610	5	or	or	CC
43297	610	6	_	_	NNP
43297	610	7	china	china	NNP
43297	610	8	clays	clay	NNS
43297	610	9	_	_	NNP
43297	610	10	which	which	WDT
43297	610	11	are	be	VBP
43297	610	12	chiefly	chiefly	RB
43297	610	13	derived	derive	VBN
43297	610	14	from	from	IN
43297	610	15	felspar	felspar	NNS
43297	610	16	and	and	CC
43297	610	17	can	can	MD
43297	610	18	be	be	VB
43297	610	19	isolated	isolate	VBN
43297	610	20	in	in	IN
43297	610	21	a	a	DT
43297	610	22	relatively	relatively	RB
43297	610	23	pure	pure	JJ
43297	610	24	state	state	NN
43297	610	25	.	.	.
43297	611	1	They	-PRON-	PRP
43297	611	2	are	be	VBP
43297	611	3	highly	highly	RB
43297	611	4	refractory	refractory	JJ
43297	611	5	,	,	,
43297	611	6	but	but	CC
43297	611	7	only	only	RB
43297	611	8	slightly	slightly	RB
43297	611	9	plastic	plastic	NN
43297	611	10	.	.	.
43297	612	1	_	_	NNP
43297	612	2	Epigenic	Epigenic	NNP
43297	612	3	_	_	NNP
43297	612	4	or	or	CC
43297	612	5	_	_	NNP
43297	612	6	colloidal	colloidal	NN
43297	612	7	clays	clay	NNS
43297	612	8	_	_	NNP
43297	612	9	derived	derive	VBD
43297	612	10	from	from	IN
43297	612	11	kaolinic	kaolinic	NNP
43297	612	12	clays	clay	NNS
43297	612	13	,	,	,
43297	612	14	as	as	IN
43297	612	15	a	a	DT
43297	612	16	secondary	secondary	JJ
43297	612	17	product	product	NN
43297	612	18	,	,	,
43297	612	19	or	or	CC
43297	612	20	directly	directly	RB
43297	612	21	from	from	IN
43297	612	22	felspar	felspar	NNP
43297	612	23	,	,	,
43297	612	24	mica	mica	NNP
43297	612	25	,	,	,
43297	612	26	augite	augite	NNP
43297	612	27	and	and	CC
43297	612	28	other	other	JJ
43297	612	29	alumino	alumino	JJ
43297	612	30	-	-	HYPH
43297	612	31	silicates	silicate	NNS
43297	612	32	by	by	IN
43297	612	33	'	'	``
43297	612	34	weathering	weathering	NN
43297	612	35	.	.	.
43297	612	36	'	'	''
43297	613	1	They	-PRON-	PRP
43297	613	2	are	be	VBP
43297	613	3	usually	usually	RB
43297	613	4	less	less	RBR
43297	613	5	refractory	refractory	JJ
43297	613	6	and	and	CC
43297	613	7	much	much	RB
43297	613	8	more	more	JJR
43297	613	9	plastic	plastic	NN
43297	613	10	than	than	IN
43297	613	11	the	the	DT
43297	613	12	china	china	NNP
43297	613	13	clays	clay	NNS
43297	613	14	and	and	CC
43297	613	15	contain	contain	VB
43297	613	16	a	a	DT
43297	613	17	large	large	JJ
43297	613	18	percentage	percentage	NN
43297	613	19	of	of	IN
43297	613	20	impurities	impurity	NNS
43297	613	21	--	--	:
43297	613	22	sometimes	sometimes	RB
43297	613	23	in	in	IN
43297	613	24	the	the	DT
43297	613	25	form	form	NN
43297	613	26	of	of	IN
43297	613	27	free	free	JJ
43297	613	28	silica	silica	NNP
43297	613	29	(	(	-LRB-
43297	613	30	sand	sand	NN
43297	613	31	)	)	-RRB-
43297	613	32	or	or	CC
43297	613	33	of	of	IN
43297	613	34	metallic	metallic	JJ
43297	613	35	oxides	oxide	NNS
43297	613	36	,	,	,
43297	613	37	carbonates	carbonate	NNS
43297	613	38	,	,	,
43297	613	39	sulphides	sulphide	NNS
43297	613	40	,	,	,
43297	613	41	sulphates	sulphate	NNS
43297	613	42	,	,	,
43297	613	43	silicates	silicate	NNS
43297	613	44	,	,	,
43297	613	45	or	or	CC
43297	613	46	other	other	JJ
43297	613	47	compounds	compound	NNS
43297	613	48	.	.	.
43297	614	1	Many	many	JJ
43297	614	2	so	so	RB
43297	614	3	-	-	HYPH
43297	614	4	called	call	VBN
43297	614	5	secondary	secondary	JJ
43297	614	6	clays	clay	NNS
43297	614	7	such	such	JJ
43297	614	8	as	as	IN
43297	614	9	pipe	pipe	NN
43297	614	10	clays	clay	NNS
43297	614	11	,	,	,
43297	614	12	ball	ball	NN
43297	614	13	clays	clay	NNS
43297	614	14	and	and	CC
43297	614	15	fireclays	fireclay	NNS
43297	614	16	may	may	MD
43297	614	17	be	be	VB
43297	614	18	of	of	IN
43297	614	19	this	this	DT
43297	614	20	type	type	NN
43297	614	21	,	,	,
43297	614	22	though	though	IN
43297	614	23	their	-PRON-	PRP$
43297	614	24	origin	origin	NN
43297	614	25	is	be	VBZ
43297	614	26	difficult	difficult	JJ
43297	614	27	to	to	TO
43297	614	28	trace	trace	VB
43297	614	29	owing	owe	VBG
43297	614	30	to	to	IN
43297	614	31	their	-PRON-	PRP$
43297	614	32	subsequent	subsequent	JJ
43297	614	33	transportation	transportation	NN
43297	614	34	and	and	CC
43297	614	35	deposition	deposition	NN
43297	614	36	.	.	.
43297	615	1	_	_	NNP
43297	615	2	Lateritic	Lateritic	NNP
43297	615	3	_	_	NNP
43297	615	4	or	or	CC
43297	615	5	_	_	NNP
43297	615	6	highly	highly	RB
43297	615	7	aluminous	aluminous	JJ
43297	615	8	clays	clay	NNS
43297	615	9	_	_	NNP
43297	615	10	,	,	,
43297	615	11	of	of	IN
43297	615	12	a	a	DT
43297	615	13	highly	highly	RB
43297	615	14	refractory	refractory	JJ
43297	615	15	character	character	NN
43297	615	16	,	,	,
43297	615	17	but	but	CC
43297	615	18	low	low	JJ
43297	615	19	plasticity	plasticity	NN
43297	615	20	.	.	.
43297	616	1	They	-PRON-	PRP
43297	616	2	are	be	VBP
43297	616	3	usually	usually	RB
43297	616	4	somewhat	somewhat	RB
43297	616	5	rich	rich	JJ
43297	616	6	in	in	IN
43297	616	7	iron	iron	NN
43297	616	8	oxide	oxide	NN
43297	616	9	which	which	WDT
43297	616	10	materially	materially	RB
43297	616	11	affects	affect	VBZ
43297	616	12	their	-PRON-	PRP$
43297	616	13	plasticity	plasticity	NN
43297	616	14	.	.	.
43297	617	1	Unlike	unlike	IN
43297	617	2	the	the	DT
43297	617	3	china	china	NNP
43297	617	4	clays	clay	NNS
43297	617	5	,	,	,
43297	617	6	pure	pure	JJ
43297	617	7	lateritic	lateritic	JJ
43297	617	8	clays	clay	NNS
43297	617	9	are	be	VBP
43297	617	10	completely	completely	RB
43297	617	11	decomposed	decompose	VBN
43297	617	12	by	by	IN
43297	617	13	hydrochloric	hydrochloric	JJ
43297	617	14	acid	acid	NN
43297	617	15	.	.	.
43297	618	1	Bauxite	bauxite	NN
43297	618	2	and	and	CC
43297	618	3	some	some	DT
43297	618	4	of	of	IN
43297	618	5	the	the	DT
43297	618	6	highly	highly	RB
43297	618	7	aluminous	aluminous	JJ
43297	618	8	clays	clay	NNS
43297	618	9	of	of	IN
43297	618	10	the	the	DT
43297	618	11	Coal	Coal	NNP
43297	618	12	Measures	measure	NNS
43297	618	13	appear	appear	VBP
43297	618	14	to	to	TO
43297	618	15	be	be	VB
43297	618	16	of	of	IN
43297	618	17	this	this	DT
43297	618	18	type	type	NN
43297	618	19	.	.	.
43297	619	1	Unfortunately	unfortunately	RB
43297	619	2	these	these	DT
43297	619	3	different	different	JJ
43297	619	4	types	type	NNS
43297	619	5	of	of	IN
43297	619	6	clay	clay	NN
43297	619	7	are	be	VBP
43297	619	8	extremely	extremely	RB
43297	619	9	difficult	difficult	JJ
43297	619	10	to	to	TO
43297	619	11	distinguish	distinguish	VB
43297	619	12	and	and	CC
43297	619	13	in	in	IN
43297	619	14	many	many	JJ
43297	619	15	instances	instance	NNS
43297	619	16	they	-PRON-	PRP
43297	619	17	have	have	VBP
43297	619	18	become	become	VBN
43297	619	19	mixed	mixed	JJ
43297	619	20	with	with	IN
43297	619	21	each	each	DT
43297	619	22	other	other	JJ
43297	619	23	and	and	CC
43297	619	24	with	with	IN
43297	619	25	other	other	JJ
43297	619	26	materials	material	NNS
43297	619	27	during	during	IN
43297	619	28	the	the	DT
43297	619	29	actions	action	NNS
43297	619	30	to	to	TO
43297	619	31	be	be	VB
43297	619	32	described	describe	VBN
43297	619	33	in	in	IN
43297	619	34	the	the	DT
43297	619	35	next	next	JJ
43297	619	36	chapter	chapter	NN
43297	619	37	,	,	,
43297	619	38	that	that	IN
43297	619	39	it	-PRON-	PRP
43297	619	40	is	be	VBZ
43297	619	41	often	often	RB
43297	619	42	almost	almost	RB
43297	619	43	impossible	impossible	JJ
43297	619	44	to	to	TO
43297	619	45	decide	decide	VB
43297	619	46	whether	whether	IN
43297	619	47	the	the	DT
43297	619	48	true	true	JJ
43297	619	49	clay	clay	NN
43297	619	50	in	in	IN
43297	619	51	a	a	DT
43297	619	52	given	give	VBN
43297	619	53	specimen	speciman	NNS
43297	619	54	possessed	possess	VBD
43297	619	55	its	-PRON-	PRP$
43297	619	56	characteristics	characteristic	NNS
43297	619	57	_	_	NNP
43297	619	58	ab	ab	NNP
43297	619	59	initio	initio	NNP
43297	619	60	_	_	NNP
43297	619	61	or	or	CC
43297	619	62	whether	whether	IN
43297	619	63	it	-PRON-	PRP
43297	619	64	has	have	VBZ
43297	619	65	gained	gain	VBN
43297	619	66	them	-PRON-	PRP
43297	619	67	since	since	IN
43297	619	68	the	the	DT
43297	619	69	time	time	NN
43297	619	70	when	when	WRB
43297	619	71	it	-PRON-	PRP
43297	619	72	ceased	cease	VBD
43297	619	73	to	to	TO
43297	619	74	be	be	VB
43297	619	75	a	a	DT
43297	619	76	primary	primary	JJ
43297	619	77	clay	clay	NN
43297	619	78	.	.	.
43297	620	1	=	=	NFP
43297	620	2	Secondary	secondary	JJ
43297	620	3	clays=	clays=	NN
43297	620	4	are	be	VBP
43297	620	5	those	those	DT
43297	620	6	which	which	WDT
43297	620	7	have	have	VBP
43297	620	8	been	be	VBN
43297	620	9	produced	produce	VBN
43297	620	10	by	by	IN
43297	620	11	the	the	DT
43297	620	12	action	action	NN
43297	620	13	of	of	IN
43297	620	14	the	the	DT
43297	620	15	weather	weather	NN
43297	620	16	and	and	CC
43297	620	17	other	other	JJ
43297	620	18	natural	natural	JJ
43297	620	19	forces	force	NNS
43297	620	20	on	on	IN
43297	620	21	primary	primary	JJ
43297	620	22	clays	clay	NNS
43297	620	23	,	,	,
43297	620	24	the	the	DT
43297	620	25	changes	change	NNS
43297	620	26	effected	effect	VBD
43297	620	27	being	be	VBG
43297	620	28	of	of	IN
43297	620	29	a	a	DT
43297	620	30	physical	physical	NN
43297	620	31	rather	rather	RB
43297	620	32	than	than	IN
43297	620	33	a	a	DT
43297	620	34	chemical	chemical	NN
43297	620	35	nature	nature	NN
43297	620	36	(	(	-LRB-
43297	620	37	see	see	VB
43297	620	38	Chapter	Chapter	NNP
43297	620	39	IV	IV	NNP
43297	620	40	)	)	-RRB-
43297	620	41	.	.	.
43297	621	1	The	the	DT
43297	621	2	essential	essential	JJ
43297	621	3	constituent	constituent	NN
43297	621	4	of	of	IN
43297	621	5	secondary	secondary	JJ
43297	621	6	clays	clay	NNS
43297	621	7	has	have	VBZ
43297	621	8	not	not	RB
43297	621	9	been	be	VBN
43297	621	10	positively	positively	RB
43297	621	11	identified	identify	VBN
43297	621	12	.	.	.
43297	622	1	In	in	IN
43297	622	2	so	so	RB
43297	622	3	far	far	RB
43297	622	4	as	as	IN
43297	622	5	it	-PRON-	PRP
43297	622	6	has	have	VBZ
43297	622	7	been	be	VBN
43297	622	8	isolated	isolate	VBN
43297	622	9	it	-PRON-	PRP
43297	622	10	differs	differ	VBZ
43297	622	11	from	from	IN
43297	622	12	the	the	DT
43297	622	13	true	true	JJ
43297	622	14	clay	clay	NN
43297	622	15	in	in	IN
43297	622	16	the	the	DT
43297	622	17	primary	primary	JJ
43297	622	18	clays	clay	NNS
43297	622	19	in	in	IN
43297	622	20	several	several	JJ
43297	622	21	important	important	JJ
43297	622	22	respects	respect	NNS
43297	622	23	,	,	,
43297	622	24	and	and	CC
43297	622	25	until	until	IN
43297	622	26	its	-PRON-	PRP$
43297	622	27	nature	nature	NN
43297	622	28	has	have	VBZ
43297	622	29	been	be	VBN
43297	622	30	more	more	RBR
43297	622	31	fully	fully	RB
43297	622	32	investigated	investigate	VBN
43297	622	33	great	great	JJ
43297	622	34	caution	caution	NN
43297	622	35	must	must	MD
43297	622	36	be	be	VB
43297	622	37	exercised	exercise	VBN
43297	622	38	in	in	IN
43297	622	39	assigning	assign	VBG
43297	622	40	a	a	DT
43297	622	41	definite	definite	JJ
43297	622	42	name	name	NN
43297	622	43	to	to	IN
43297	622	44	it	-PRON-	PRP
43297	622	45	.	.	.
43297	623	1	For	for	IN
43297	623	2	many	many	JJ
43297	623	3	purposes	purpose	NNS
43297	623	4	the	the	DT
43297	623	5	term	term	NN
43297	623	6	_	_	NNP
43297	623	7	pelinite	pelinite	NN
43297	623	8	_	_	NNP
43297	623	9	(	(	-LRB-
43297	623	10	p.	p.	NN
43297	623	11	149	149	CD
43297	623	12	)	)	-RRB-
43297	623	13	is	be	VBZ
43297	623	14	convenient	convenient	JJ
43297	623	15	,	,	,
43297	623	16	being	be	VBG
43297	623	17	analogous	analogous	JJ
43297	623	18	to	to	IN
43297	623	19	the	the	DT
43297	623	20	corresponding	correspond	VBG
43297	623	21	one	one	CD
43297	623	22	used	use	VBN
43297	623	23	for	for	IN
43297	623	24	material	material	NN
43297	623	25	in	in	IN
43297	623	26	china	china	NNP
43297	623	27	clays	clays	NNP
43297	623	28	(	(	-LRB-
43297	623	29	_	_	NNP
43297	623	30	clayite	clayite	NNP
43297	623	31	_	_	NNP
43297	623	32	,	,	,
43297	623	33	p.	p.	NN
43297	623	34	107	107	CD
43297	623	35	)	)	-RRB-
43297	623	36	.	.	.
43297	624	1	These	these	DT
43297	624	2	terms	term	NNS
43297	624	3	are	be	VBP
43297	624	4	purely	purely	RB
43297	624	5	provisional	provisional	JJ
43297	624	6	and	and	CC
43297	624	7	must	must	MD
43297	624	8	be	be	VB
43297	624	9	discarded	discard	VBN
43297	624	10	when	when	WRB
43297	624	11	the	the	DT
43297	624	12	true	true	JJ
43297	624	13	mineralogical	mineralogical	JJ
43297	624	14	identities	identity	NNS
43297	624	15	of	of	IN
43297	624	16	the	the	DT
43297	624	17	substances	substance	NNS
43297	624	18	they	-PRON-	PRP
43297	624	19	represent	represent	VBP
43297	624	20	have	have	VBP
43297	624	21	been	be	VBN
43297	624	22	established	establish	VBN
43297	624	23	.	.	.
43297	625	1	CHAPTER	CHAPTER	NNP
43297	625	2	IV	IV	NNP
43297	625	3	THE	the	DT
43297	625	4	MODES	MODES	NNP
43297	625	5	OF	of	IN
43297	625	6	ACCUMULATION	ACCUMULATION	NNP
43297	625	7	OF	of	IN
43297	625	8	CLAYS	clay	NNS
43297	625	9	From	from	IN
43297	625	10	whatever	whatever	WDT
43297	625	11	sources	source	NNS
43297	625	12	clays	clay	NNS
43297	625	13	may	may	MD
43297	625	14	have	have	VB
43297	625	15	been	be	VBN
43297	625	16	originally	originally	RB
43297	625	17	derived	derive	VBN
43297	625	18	,	,	,
43297	625	19	the	the	DT
43297	625	20	manner	manner	NN
43297	625	21	in	in	IN
43297	625	22	which	which	WDT
43297	625	23	they	-PRON-	PRP
43297	625	24	have	have	VBP
43297	625	25	been	be	VBN
43297	625	26	accumulated	accumulate	VBN
43297	625	27	in	in	IN
43297	625	28	their	-PRON-	PRP$
43297	625	29	present	present	JJ
43297	625	30	positions	position	NNS
43297	625	31	is	be	VBZ
43297	625	32	a	a	DT
43297	625	33	factor	factor	NN
43297	625	34	of	of	IN
43297	625	35	great	great	JJ
43297	625	36	importance	importance	NN
43297	625	37	both	both	CC
43297	625	38	in	in	IN
43297	625	39	regard	regard	NN
43297	625	40	to	to	IN
43297	625	41	their	-PRON-	PRP$
43297	625	42	chemical	chemical	JJ
43297	625	43	and	and	CC
43297	625	44	physical	physical	JJ
43297	625	45	characters	character	NNS
43297	625	46	and	and	CC
43297	625	47	their	-PRON-	PRP$
43297	625	48	suitability	suitability	NN
43297	625	49	for	for	IN
43297	625	50	various	various	JJ
43297	625	51	purposes	purpose	NNS
43297	625	52	.	.	.
43297	626	1	As	as	IN
43297	626	2	explained	explain	VBN
43297	626	3	in	in	IN
43297	626	4	Chapter	Chapter	NNP
43297	626	5	III	III	NNP
43297	626	6	,	,	,
43297	626	7	the	the	DT
43297	626	8	china	china	NNP
43297	626	9	clays	clay	NNS
43297	626	10	or	or	CC
43297	626	11	kaolins	kaolins	NNP
43297	626	12	may	may	MD
43297	626	13	usually	usually	RB
43297	626	14	be	be	VB
43297	626	15	regarded	regard	VBN
43297	626	16	as	as	IN
43297	626	17	primary	primary	JJ
43297	626	18	clays	clay	NNS
43297	626	19	derived	derive	VBN
43297	626	20	from	from	IN
43297	626	21	granitic	granitic	JJ
43297	626	22	or	or	CC
43297	626	23	other	other	JJ
43297	626	24	felspathic	felspathic	JJ
43297	626	25	or	or	CC
43297	626	26	felsitic	felsitic	JJ
43297	626	27	rocks	rock	NNS
43297	626	28	by	by	IN
43297	626	29	chemical	chemical	NN
43297	626	30	decomposition	decomposition	NN
43297	626	31	.	.	.
43297	627	1	Such	such	JJ
43297	627	2	clays	clay	NNS
43297	627	3	are	be	VBP
43297	627	4	found	find	VBN
43297	627	5	near	near	RB
43297	627	6	to	to	IN
43297	627	7	their	-PRON-	PRP$
43297	627	8	place	place	NN
43297	627	9	of	of	IN
43297	627	10	origin	origin	NN
43297	627	11	,	,	,
43297	627	12	are	be	VBP
43297	627	13	usually	usually	RB
43297	627	14	obtainable	obtainable	JJ
43297	627	15	in	in	IN
43297	627	16	a	a	DT
43297	627	17	comparatively	comparatively	RB
43297	627	18	pure	pure	JJ
43297	627	19	state	state	NN
43297	627	20	and	and	CC
43297	627	21	are	be	VBP
43297	627	22	generally	generally	RB
43297	627	23	deficient	deficient	JJ
43297	627	24	in	in	IN
43297	627	25	plasticity	plasticity	NN
43297	627	26	.	.	.
43297	628	1	They	-PRON-	PRP
43297	628	2	may	may	MD
43297	628	3	occur	occur	VB
43297	628	4	in	in	IN
43297	628	5	beds	bed	NNS
43297	628	6	of	of	IN
43297	628	7	small	small	JJ
43297	628	8	or	or	CC
43297	628	9	great	great	JJ
43297	628	10	depth	depth	NN
43297	628	11	,	,	,
43297	628	12	but	but	CC
43297	628	13	these	these	DT
43297	628	14	are	be	VBP
43297	628	15	not	not	RB
43297	628	16	'	'	``
43297	628	17	accumulations	accumulation	NNS
43297	628	18	'	'	''
43297	628	19	in	in	IN
43297	628	20	the	the	DT
43297	628	21	ordinary	ordinary	JJ
43297	628	22	meaning	meaning	NN
43297	628	23	of	of	IN
43297	628	24	that	that	DT
43297	628	25	term	term	NN
43297	628	26	.	.	.
43297	629	1	Residual	residual	JJ
43297	629	2	clays	clay	NNS
43297	629	3	(	(	-LRB-
43297	629	4	p.	p.	NN
43297	629	5	70	70	CD
43297	629	6	)	)	-RRB-
43297	629	7	also	also	RB
43297	629	8	form	form	VBP
43297	629	9	a	a	DT
43297	629	10	distinct	distinct	JJ
43297	629	11	class	class	NN
43297	629	12	,	,	,
43297	629	13	as	as	IN
43297	629	14	unlike	unlike	IN
43297	629	15	the	the	DT
43297	629	16	majority	majority	NN
43297	629	17	of	of	IN
43297	629	18	argillaceous	argillaceous	JJ
43297	629	19	materials	material	NNS
43297	629	20	they	-PRON-	PRP
43297	629	21	are	be	VBP
43297	629	22	left	leave	VBN
43297	629	23	behind	behind	RB
43297	629	24	when	when	WRB
43297	629	25	other	other	JJ
43297	629	26	substances	substance	NNS
43297	629	27	are	be	VBP
43297	629	28	removed	remove	VBN
43297	629	29	,	,	,
43297	629	30	usually	usually	RB
43297	629	31	by	by	IN
43297	629	32	some	some	DT
43297	629	33	process	process	NN
43297	629	34	of	of	IN
43297	629	35	solution	solution	NN
43297	629	36	.	.	.
43297	630	1	In	in	IN
43297	630	2	many	many	JJ
43297	630	3	cases	case	NNS
43297	630	4	,	,	,
43297	630	5	however	however	RB
43297	630	6	,	,	,
43297	630	7	the	the	DT
43297	630	8	residual	residual	JJ
43297	630	9	clays	clay	NNS
43297	630	10	are	be	VBP
43297	630	11	really	really	RB
43297	630	12	secondary	secondary	JJ
43297	630	13	in	in	IN
43297	630	14	character	character	NN
43297	630	15	,	,	,
43297	630	16	having	have	VBG
43297	630	17	been	be	VBN
43297	630	18	transported	transport	VBN
43297	630	19	from	from	IN
43297	630	20	their	-PRON-	PRP$
43297	630	21	place	place	NN
43297	630	22	of	of	IN
43297	630	23	origin	origin	NN
43297	630	24	,	,	,
43297	630	25	together	together	RB
43297	630	26	with	with	IN
43297	630	27	limestone	limestone	NN
43297	630	28	or	or	CC
43297	630	29	other	other	JJ
43297	630	30	minerals	mineral	NNS
43297	630	31	,	,	,
43297	630	32	the	the	DT
43297	630	33	mixture	mixture	NN
43297	630	34	deposited	deposit	VBD
43297	630	35	and	and	CC
43297	630	36	subjected	subject	VBN
43297	630	37	to	to	IN
43297	630	38	pressure	pressure	NN
43297	630	39	and	and	CC
43297	630	40	possibly	possibly	RB
43297	630	41	to	to	TO
43297	630	42	heat	heat	VB
43297	630	43	,	,	,
43297	630	44	whereby	whereby	WRB
43297	630	45	a	a	DT
43297	630	46	rock	rock	NN
43297	630	47	-	-	HYPH
43297	630	48	like	like	JJ
43297	630	49	mass	mass	NN
43297	630	50	is	be	VBZ
43297	630	51	formed	form	VBN
43297	630	52	.	.	.
43297	631	1	This	this	DT
43297	631	2	mass	mass	NN
43297	631	3	has	have	VBZ
43297	631	4	then	then	RB
43297	631	5	been	be	VBN
43297	631	6	subjected	subject	VBN
43297	631	7	to	to	IN
43297	631	8	the	the	DT
43297	631	9	solvent	solvent	JJ
43297	631	10	action	action	NN
43297	631	11	of	of	IN
43297	631	12	water	water	NN
43297	631	13	containing	contain	VBG
43297	631	14	carbon	carbon	NN
43297	631	15	dioxide	dioxide	NN
43297	631	16	or	or	CC
43297	631	17	other	other	JJ
43297	631	18	substances	substance	NNS
43297	631	19	which	which	WDT
43297	631	20	dissolve	dissolve	VBP
43297	631	21	out	out	RP
43297	631	22	the	the	DT
43297	631	23	bulk	bulk	NN
43297	631	24	of	of	IN
43297	631	25	the	the	DT
43297	631	26	associated	associated	JJ
43297	631	27	minerals	mineral	NNS
43297	631	28	and	and	CC
43297	631	29	leave	leave	VB
43297	631	30	the	the	DT
43297	631	31	residual	residual	JJ
43297	631	32	clay	clay	NN
43297	631	33	behind	behind	RB
43297	631	34	.	.	.
43297	632	1	The	the	DT
43297	632	2	chief	chief	JJ
43297	632	3	agents	agent	NNS
43297	632	4	in	in	IN
43297	632	5	the	the	DT
43297	632	6	transport	transport	NN
43297	632	7	and	and	CC
43297	632	8	accumulation	accumulation	NN
43297	632	9	of	of	IN
43297	632	10	clays	clay	NNS
43297	632	11	are	be	VBP
43297	632	12	the	the	DT
43297	632	13	_	_	NNP
43297	632	14	air	air	NN
43297	632	15	_	_	NNP
43297	632	16	,	,	,
43297	632	17	in	in	IN
43297	632	18	the	the	DT
43297	632	19	form	form	NN
43297	632	20	of	of	IN
43297	632	21	wind	wind	NN
43297	632	22	;	;	:
43297	632	23	_	_	NNP
43297	632	24	water	water	NN
43297	632	25	_	_	NNP
43297	632	26	,	,	,
43297	632	27	in	in	IN
43297	632	28	the	the	DT
43297	632	29	form	form	NN
43297	632	30	of	of	IN
43297	632	31	rain	rain	NN
43297	632	32	,	,	,
43297	632	33	streams	stream	NNS
43297	632	34	,	,	,
43297	632	35	rivers	river	NNS
43297	632	36	,	,	,
43297	632	37	floods	flood	NNS
43297	632	38	,	,	,
43297	632	39	lakes	lake	NNS
43297	632	40	and	and	CC
43297	632	41	seas	sea	NNS
43297	632	42	,	,	,
43297	632	43	or	or	CC
43297	632	44	in	in	IN
43297	632	45	the	the	DT
43297	632	46	form	form	NN
43297	632	47	of	of	IN
43297	632	48	ice	ice	NN
43297	632	49	and	and	CC
43297	632	50	snow	snow	NN
43297	632	51	as	as	IN
43297	632	52	in	in	IN
43297	632	53	glaciers	glacier	NNS
43297	632	54	and	and	CC
43297	632	55	avalanches	avalanche	NNS
43297	632	56	;	;	:
43297	632	57	_	_	NNP
43297	632	58	earth	earth	NN
43297	632	59	-	-	HYPH
43297	632	60	movements	movement	NNS
43297	632	61	_	_	NNP
43297	632	62	such	such	JJ
43297	632	63	as	as	IN
43297	632	64	the	the	DT
43297	632	65	changes	change	NNS
43297	632	66	wrought	work	VBD
43297	632	67	by	by	IN
43297	632	68	volcanoes	volcano	NNS
43297	632	69	,	,	,
43297	632	70	earthquakes	earthquake	NNS
43297	632	71	and	and	CC
43297	632	72	the	the	DT
43297	632	73	less	less	RBR
43297	632	74	clearly	clearly	RB
43297	632	75	marked	mark	VBN
43297	632	76	rising	rise	VBG
43297	632	77	and	and	CC
43297	632	78	falling	fall	VBG
43297	632	79	of	of	IN
43297	632	80	various	various	JJ
43297	632	81	portions	portion	NNS
43297	632	82	of	of	IN
43297	632	83	the	the	DT
43297	632	84	earth	earth	NN
43297	632	85	's	's	POS
43297	632	86	crust	crust	NN
43297	632	87	which	which	WDT
43297	632	88	result	result	VBP
43297	632	89	in	in	IN
43297	632	90	folded	fold	VBN
43297	632	91	,	,	,
43297	632	92	twisted	twist	VBN
43297	632	93	,	,	,
43297	632	94	sheared	shear	VBD
43297	632	95	,	,	,
43297	632	96	cracked	crack	VBN
43297	632	97	,	,	,
43297	632	98	inclined	inclined	JJ
43297	632	99	,	,	,
43297	632	100	laminated	laminated	JJ
43297	632	101	and	and	CC
43297	632	102	other	other	JJ
43297	632	103	strata	strata	NN
43297	632	104	.	.	.
43297	633	1	These	these	DT
43297	633	2	agents	agent	NNS
43297	633	3	have	have	VBP
43297	633	4	first	first	RB
43297	633	5	moved	move	VBN
43297	633	6	the	the	DT
43297	633	7	clay	clay	NN
43297	633	8	from	from	IN
43297	633	9	its	-PRON-	PRP$
43297	633	10	original	original	JJ
43297	633	11	site	site	NN
43297	633	12	and	and	CC
43297	633	13	have	have	VBP
43297	633	14	later	later	RB
43297	633	15	deposited	deposit	VBN
43297	633	16	it	-PRON-	PRP
43297	633	17	with	with	IN
43297	633	18	other	other	JJ
43297	633	19	materials	material	NNS
43297	633	20	in	in	IN
43297	633	21	the	the	DT
43297	633	22	form	form	NN
43297	633	23	of	of	IN
43297	633	24	strata	strata	NN
43297	633	25	of	of	IN
43297	633	26	widely	widely	RB
43297	633	27	varying	vary	VBG
43297	633	28	area	area	NN
43297	633	29	and	and	CC
43297	633	30	thickness	thickness	NN
43297	633	31	,	,	,
43297	633	32	some	some	DT
43297	633	33	'	'	``
43297	633	34	clay	clay	NN
43297	633	35	'	'	''
43297	633	36	beds	bed	NNS
43297	633	37	being	be	VBG
43297	633	38	several	several	JJ
43297	633	39	hundred	hundred	CD
43297	633	40	feet	foot	NNS
43297	633	41	in	in	IN
43297	633	42	depth	depth	NN
43297	633	43	and	and	CC
43297	633	44	occupying	occupy	VBG
43297	633	45	many	many	JJ
43297	633	46	square	square	JJ
43297	633	47	miles	mile	NNS
43297	633	48	in	in	IN
43297	633	49	area	area	NN
43297	633	50	,	,	,
43297	633	51	whilst	whilst	IN
43297	633	52	others	other	NNS
43297	633	53	are	be	VBP
43297	633	54	in	in	IN
43297	633	55	the	the	DT
43297	633	56	form	form	NN
43297	633	57	of	of	IN
43297	633	58	thin	thin	JJ
43297	633	59	'	'	``
43297	633	60	veins	vein	NNS
43297	633	61	'	'	''
43297	633	62	only	only	RB
43297	633	63	a	a	DT
43297	633	64	few	few	JJ
43297	633	65	inches	inch	NNS
43297	633	66	thick	thick	JJ
43297	633	67	or	or	CC
43297	633	68	in	in	IN
43297	633	69	'	'	``
43297	633	70	pockets	pocket	NNS
43297	633	71	'	'	''
43297	633	72	of	of	IN
43297	633	73	small	small	JJ
43297	633	74	area	area	NN
43297	633	75	and	and	CC
43297	633	76	depth	depth	NN
43297	633	77	.	.	.
43297	634	1	These	these	DT
43297	634	2	deposits	deposit	NNS
43297	634	3	have	have	VBP
43297	634	4	in	in	IN
43297	634	5	many	many	JJ
43297	634	6	places	place	NNS
43297	634	7	been	be	VBN
43297	634	8	displaced	displace	VBN
43297	634	9	by	by	IN
43297	634	10	subsequent	subsequent	JJ
43297	634	11	earth	earth	NN
43297	634	12	-	-	HYPH
43297	634	13	movements	movement	NNS
43297	634	14	and	and	CC
43297	634	15	have	have	VBP
43297	634	16	been	be	VBN
43297	634	17	overlain	overlain	NN
43297	634	18	by	by	IN
43297	634	19	other	other	JJ
43297	634	20	deposits	deposit	NNS
43297	634	21	so	so	IN
43297	634	22	as	as	IN
43297	634	23	to	to	TO
43297	634	24	render	render	VB
43297	634	25	them	-PRON-	PRP
43297	634	26	quite	quite	RB
43297	634	27	inaccessible	inaccessible	JJ
43297	634	28	.	.	.
43297	635	1	Others	other	NNS
43297	635	2	have	have	VBP
43297	635	3	been	be	VBN
43297	635	4	covered	cover	VBN
43297	635	5	by	by	IN
43297	635	6	deposits	deposit	NNS
43297	635	7	several	several	JJ
43297	635	8	miles	mile	NNS
43297	635	9	thick	thick	JJ
43297	635	10	;	;	:
43297	635	11	but	but	CC
43297	635	12	the	the	DT
43297	635	13	greater	great	JJR
43297	635	14	part	part	NN
43297	635	15	of	of	IN
43297	635	16	the	the	DT
43297	635	17	covering	covering	NN
43297	635	18	has	have	VBZ
43297	635	19	since	since	IN
43297	635	20	been	be	VBN
43297	635	21	removed	remove	VBN
43297	635	22	by	by	IN
43297	635	23	glacial	glacial	JJ
43297	635	24	or	or	CC
43297	635	25	other	other	JJ
43297	635	26	forces	force	NNS
43297	635	27	,	,	,
43297	635	28	so	so	IN
43297	635	29	that	that	IN
43297	635	30	clays	clay	NNS
43297	635	31	of	of	IN
43297	635	32	practically	practically	RB
43297	635	33	all	all	DT
43297	635	34	geological	geological	JJ
43297	635	35	ages	age	NNS
43297	635	36	may	may	MD
43297	635	37	be	be	VB
43297	635	38	found	find	VBN
43297	635	39	within	within	IN
43297	635	40	the	the	DT
43297	635	41	relatively	relatively	RB
43297	635	42	small	small	JJ
43297	635	43	area	area	NN
43297	635	44	of	of	IN
43297	635	45	Great	Great	NNP
43297	635	46	Britain	Britain	NNP
43297	635	47	.	.	.
43297	636	1	The	the	DT
43297	636	2	Transportation	Transportation	NNP
43297	636	3	of	of	IN
43297	636	4	Clays	clay	NNS
43297	636	5	.	.	.
43297	637	1	By	by	IN
43297	637	2	the	the	DT
43297	637	3	action	action	NN
43297	637	4	of	of	IN
43297	637	5	wind	wind	NN
43297	637	6	or	or	CC
43297	637	7	rain	rain	NN
43297	637	8	,	,	,
43297	637	9	or	or	CC
43297	637	10	of	of	IN
43297	637	11	rain	rain	NN
43297	637	12	following	follow	VBG
43297	637	13	frost	frost	NN
43297	637	14	,	,	,
43297	637	15	the	the	DT
43297	637	16	finer	finer	NN
43297	637	17	of	of	IN
43297	637	18	particles	particle	NNS
43297	637	19	clay	clay	NN
43297	637	20	are	be	VBP
43297	637	21	removed	remove	VBN
43297	637	22	from	from	IN
43297	637	23	their	-PRON-	PRP$
43297	637	24	primary	primary	JJ
43297	637	25	site	site	NN
43297	637	26	and	and	CC
43297	637	27	as	as	IN
43297	637	28	the	the	DT
43297	637	29	rain	rain	NN
43297	637	30	drops	drop	VBZ
43297	637	31	collect	collect	VBP
43297	637	32	into	into	IN
43297	637	33	streamlets	streamlet	NNS
43297	637	34	,	,	,
43297	637	35	these	these	DT
43297	637	36	unite	unite	VBP
43297	637	37	to	to	TO
43297	637	38	form	form	VB
43297	637	39	streams	stream	NNS
43297	637	40	and	and	CC
43297	637	41	rivers	river	NNS
43297	637	42	and	and	CC
43297	637	43	the	the	DT
43297	637	44	clay	clay	NN
43297	637	45	with	with	IN
43297	637	46	its	-PRON-	PRP$
43297	637	47	associated	associate	VBN
43297	637	48	minerals	mineral	NNS
43297	637	49	is	be	VBZ
43297	637	50	carried	carry	VBN
43297	637	51	along	along	RP
43297	637	52	by	by	IN
43297	637	53	the	the	DT
43297	637	54	water	water	NN
43297	637	55	.	.	.
43297	638	1	As	as	IN
43297	638	2	it	-PRON-	PRP
43297	638	3	travels	travel	VBZ
43297	638	4	over	over	IN
43297	638	5	other	other	JJ
43297	638	6	rocks	rock	NNS
43297	638	7	or	or	CC
43297	638	8	through	through	IN
43297	638	9	valleys	valley	NNS
43297	638	10	composed	compose	VBN
43297	638	11	of	of	IN
43297	638	12	sandstone	sandstone	NN
43297	638	13	,	,	,
43297	638	14	limestone	limestone	NN
43297	638	15	and	and	CC
43297	638	16	other	other	JJ
43297	638	17	materials	material	NNS
43297	638	18	,	,	,
43297	638	19	some	some	DT
43297	638	20	of	of	IN
43297	638	21	these	these	DT
43297	638	22	substances	substance	NNS
43297	638	23	are	be	VBP
43297	638	24	dislodged	dislodge	VBN
43297	638	25	,	,	,
43297	638	26	broken	break	VBN
43297	638	27	into	into	IN
43297	638	28	fragments	fragment	NNS
43297	638	29	of	of	IN
43297	638	30	various	various	JJ
43297	638	31	sizes	size	NNS
43297	638	32	and	and	CC
43297	638	33	with	with	IN
43297	638	34	the	the	DT
43297	638	35	clay	clay	NN
43297	638	36	are	be	VBP
43297	638	37	carried	carry	VBN
43297	638	38	still	still	RB
43297	638	39	further	further	RB
43297	638	40	.	.	.
43297	639	1	In	in	IN
43297	639	2	their	-PRON-	PRP$
43297	639	3	journey	journey	NN
43297	639	4	these	these	DT
43297	639	5	materials	material	NNS
43297	639	6	rub	rub	VBP
43297	639	7	against	against	IN
43297	639	8	each	each	DT
43297	639	9	other	other	JJ
43297	639	10	and	and	CC
43297	639	11	against	against	IN
43297	639	12	the	the	DT
43297	639	13	banks	bank	NNS
43297	639	14	and	and	CC
43297	639	15	bed	bed	NN
43297	639	16	of	of	IN
43297	639	17	the	the	DT
43297	639	18	stream	stream	NN
43297	639	19	,	,	,
43297	639	20	thereby	thereby	RB
43297	639	21	undergoing	undergo	VBG
43297	639	22	a	a	DT
43297	639	23	prolonged	prolonged	JJ
43297	639	24	process	process	NN
43297	639	25	of	of	IN
43297	639	26	grinding	grind	VBG
43297	639	27	whereby	whereby	WRB
43297	639	28	the	the	DT
43297	639	29	softer	soft	JJR
43297	639	30	rocks	rock	NNS
43297	639	31	are	be	VBP
43297	639	32	reduced	reduce	VBN
43297	639	33	to	to	IN
43297	639	34	very	very	RB
43297	639	35	fine	fine	JJ
43297	639	36	sand	sand	NN
43297	639	37	and	and	CC
43297	639	38	silt	silt	NN
43297	639	39	which	which	WDT
43297	639	40	becomes	become	VBZ
43297	639	41	,	,	,
43297	639	42	in	in	IN
43297	639	43	time	time	NN
43297	639	44	,	,	,
43297	639	45	very	very	RB
43297	639	46	intimately	intimately	RB
43297	639	47	mixed	mixed	JJ
43297	639	48	with	with	IN
43297	639	49	the	the	DT
43297	639	50	clay	clay	NN
43297	639	51	.	.	.
43297	640	1	If	if	IN
43297	640	2	the	the	DT
43297	640	3	velocity	velocity	NN
43297	640	4	of	of	IN
43297	640	5	the	the	DT
43297	640	6	stream	stream	NN
43297	640	7	were	be	VBD
43297	640	8	sufficiently	sufficiently	RB
43297	640	9	great	great	JJ
43297	640	10	,	,	,
43297	640	11	the	the	DT
43297	640	12	mixed	mix	VBN
43297	640	13	materials	material	NNS
43297	640	14	--	--	:
43297	640	15	derived	derive	VBN
43297	640	16	from	from	IN
43297	640	17	as	as	RB
43297	640	18	many	many	JJ
43297	640	19	sources	source	NNS
43297	640	20	as	as	IN
43297	640	21	there	there	EX
43297	640	22	are	be	VBP
43297	640	23	rocks	rock	NNS
43297	640	24	of	of	IN
43297	640	25	the	the	DT
43297	640	26	districts	district	NNS
43297	640	27	through	through	IN
43297	640	28	which	which	WDT
43297	640	29	they	-PRON-	PRP
43297	640	30	have	have	VBP
43297	640	31	passed	pass	VBN
43297	640	32	--	--	:
43297	640	33	would	would	MD
43297	640	34	be	be	VB
43297	640	35	discharged	discharge	VBN
43297	640	36	into	into	IN
43297	640	37	a	a	DT
43297	640	38	lake	lake	NN
43297	640	39	or	or	CC
43297	640	40	into	into	IN
43297	640	41	the	the	DT
43297	640	42	sea	sea	NN
43297	640	43	.	.	.
43297	641	1	Here	here	RB
43297	641	2	the	the	DT
43297	641	3	velocity	velocity	NN
43297	641	4	of	of	IN
43297	641	5	the	the	DT
43297	641	6	water	water	NN
43297	641	7	would	would	MD
43297	641	8	be	be	VB
43297	641	9	so	so	RB
43297	641	10	greatly	greatly	RB
43297	641	11	reduced	reduce	VBN
43297	641	12	that	that	IN
43297	641	13	the	the	DT
43297	641	14	materials	material	NNS
43297	641	15	would	would	MD
43297	641	16	gradually	gradually	RB
43297	641	17	settle	settle	VB
43297	641	18	,	,	,
43297	641	19	the	the	DT
43297	641	20	largest	large	JJS
43297	641	21	and	and	CC
43297	641	22	heaviest	heavy	JJS
43297	641	23	fragments	fragment	NNS
43297	641	24	being	be	VBG
43297	641	25	first	first	RB
43297	641	26	deposited	deposit	VBN
43297	641	27	and	and	CC
43297	641	28	the	the	DT
43297	641	29	finer	fine	JJR
43297	641	30	ones	one	NNS
43297	641	31	at	at	IN
43297	641	32	a	a	DT
43297	641	33	greater	great	JJR
43297	641	34	distance	distance	NN
43297	641	35	.	.	.
43297	642	1	With	with	IN
43297	642	2	most	most	JJS
43297	642	3	streams	stream	NNS
43297	642	4	and	and	CC
43297	642	5	rivers	river	NNS
43297	642	6	,	,	,
43297	642	7	however	however	RB
43297	642	8	,	,	,
43297	642	9	the	the	DT
43297	642	10	velocity	velocity	NN
43297	642	11	of	of	IN
43297	642	12	the	the	DT
43297	642	13	water	water	NN
43297	642	14	is	be	VBZ
43297	642	15	very	very	RB
43297	642	16	variable	variable	JJ
43297	642	17	,	,	,
43297	642	18	and	and	CC
43297	642	19	a	a	DT
43297	642	20	certain	certain	JJ
43297	642	21	amount	amount	NN
43297	642	22	of	of	IN
43297	642	23	deposition	deposition	NN
43297	642	24	therefore	therefore	RB
43297	642	25	occurs	occur	VBZ
43297	642	26	along	along	RP
43297	642	27	the	the	DT
43297	642	28	course	course	NN
43297	642	29	,	,	,
43297	642	30	the	the	DT
43297	642	31	heavier	heavy	JJR
43297	642	32	particles	particle	NNS
43297	642	33	only	only	RB
43297	642	34	travelling	travel	VBG
43297	642	35	a	a	DT
43297	642	36	short	short	JJ
43297	642	37	distance	distance	NN
43297	642	38	,	,	,
43297	642	39	whilst	whilst	IN
43297	642	40	the	the	DT
43297	642	41	finer	fine	JJR
43297	642	42	ones	one	NNS
43297	642	43	are	be	VBP
43297	642	44	readily	readily	RB
43297	642	45	transported	transport	VBN
43297	642	46	.	.	.
43297	643	1	If	if	IN
43297	643	2	the	the	DT
43297	643	3	velocity	velocity	NN
43297	643	4	of	of	IN
43297	643	5	the	the	DT
43297	643	6	stream	stream	NN
43297	643	7	increases	increase	NNS
43297	643	8	,	,	,
43297	643	9	these	these	DT
43297	643	10	finer	fine	JJR
43297	643	11	particles	particle	NNS
43297	643	12	(	(	-LRB-
43297	643	13	which	which	WDT
43297	643	14	include	include	VBP
43297	643	15	the	the	DT
43297	643	16	clay	clay	NN
43297	643	17	)	)	-RRB-
43297	643	18	may	may	MD
43297	643	19	become	become	VB
43297	643	20	mixed	mixed	JJ
43297	643	21	with	with	IN
43297	643	22	other	other	JJ
43297	643	23	particles	particle	NNS
43297	643	24	of	of	IN
43297	643	25	various	various	JJ
43297	643	26	sizes	size	NNS
43297	643	27	and	and	CC
43297	643	28	the	the	DT
43297	643	29	materials	material	NNS
43297	643	30	thus	thus	RB
43297	643	31	undergo	undergo	VBP
43297	643	32	a	a	DT
43297	643	33	series	series	NN
43297	643	34	of	of	IN
43297	643	35	mixings	mixing	NNS
43297	643	36	and	and	CC
43297	643	37	partial	partial	JJ
43297	643	38	sortings	sorting	NNS
43297	643	39	until	until	IN
43297	643	40	they	-PRON-	PRP
43297	643	41	are	be	VBP
43297	643	42	discharged	discharge	VBN
43297	643	43	at	at	IN
43297	643	44	the	the	DT
43297	643	45	river	river	NN
43297	643	46	mouth	mouth	NN
43297	643	47	or	or	CC
43297	643	48	are	be	VBP
43297	643	49	left	leave	VBN
43297	643	50	along	along	IN
43297	643	51	its	-PRON-	PRP$
43297	643	52	sides	side	NNS
43297	643	53	by	by	IN
43297	643	54	a	a	DT
43297	643	55	gradual	gradual	JJ
43297	643	56	sinking	sinking	NN
43297	643	57	of	of	IN
43297	643	58	the	the	DT
43297	643	59	water	water	NN
43297	643	60	level	level	NN
43297	643	61	.	.	.
43297	644	1	The	the	DT
43297	644	2	clay	clay	NN
43297	644	3	will	will	MD
43297	644	4	be	be	VB
43297	644	5	carried	carry	VBN
43297	644	6	the	the	DT
43297	644	7	whole	whole	JJ
43297	644	8	course	course	NN
43297	644	9	of	of	IN
43297	644	10	the	the	DT
43297	644	11	river	river	NN
43297	644	12	,	,	,
43297	644	13	unless	unless	IN
43297	644	14	it	-PRON-	PRP
43297	644	15	is	be	VBZ
43297	644	16	deposited	deposit	VBN
43297	644	17	at	at	IN
43297	644	18	some	some	DT
43297	644	19	place	place	NN
43297	644	20	where	where	WRB
43297	644	21	the	the	DT
43297	644	22	velocity	velocity	NN
43297	644	23	of	of	IN
43297	644	24	the	the	DT
43297	644	25	water	water	NN
43297	644	26	is	be	VBZ
43297	644	27	reduced	reduce	VBN
43297	644	28	sufficiently	sufficiently	RB
43297	644	29	to	to	TO
43297	644	30	permit	permit	VB
43297	644	31	it	-PRON-	PRP
43297	644	32	to	to	TO
43297	644	33	settle	settle	VB
43297	644	34	.	.	.
43297	645	1	If	if	IN
43297	645	2	floods	flood	NNS
43297	645	3	arise	arise	VBP
43297	645	4	,	,	,
43297	645	5	the	the	DT
43297	645	6	area	area	NN
43297	645	7	affected	affect	VBN
43297	645	8	by	by	IN
43297	645	9	the	the	DT
43297	645	10	water	water	NN
43297	645	11	will	will	MD
43297	645	12	be	be	VB
43297	645	13	increased	increase	VBN
43297	645	14	.	.	.
43297	646	1	The	the	DT
43297	646	2	_	_	NNP
43297	646	3	alluvial	alluvial	JJ
43297	646	4	clays	clay	NNS
43297	646	5	_	_	NNP
43297	646	6	have	have	VBP
43297	646	7	,	,	,
43297	646	8	apparently	apparently	RB
43297	646	9	,	,	,
43297	646	10	been	be	VBN
43297	646	11	formed	form	VBN
43297	646	12	by	by	IN
43297	646	13	overflowing	overflow	VBG
43297	646	14	streams	stream	NNS
43297	646	15	and	and	CC
43297	646	16	rivers	river	NNS
43297	646	17	,	,	,
43297	646	18	the	the	DT
43297	646	19	material	material	NN
43297	646	20	in	in	IN
43297	646	21	suspension	suspension	NN
43297	646	22	in	in	IN
43297	646	23	the	the	DT
43297	646	24	water	water	NN
43297	646	25	being	be	VBG
43297	646	26	deposited	deposit	VBN
43297	646	27	as	as	IN
43297	646	28	the	the	DT
43297	646	29	rate	rate	NN
43297	646	30	of	of	IN
43297	646	31	flow	flow	NN
43297	646	32	diminished	diminish	VBN
43297	646	33	.	.	.
43297	647	1	Such	such	JJ
43297	647	2	alluvial	alluvial	JJ
43297	647	3	deposits	deposit	NNS
43297	647	4	contain	contain	VBP
43297	647	5	a	a	DT
43297	647	6	variety	variety	NN
43297	647	7	of	of	IN
43297	647	8	minerals	mineral	NNS
43297	647	9	--	--	:
43297	647	10	usually	usually	RB
43297	647	11	in	in	IN
43297	647	12	a	a	DT
43297	647	13	very	very	RB
43297	647	14	finely	finely	RB
43297	647	15	divided	divide	VBN
43297	647	16	state	state	NN
43297	647	17	--	--	:
43297	647	18	clay	clay	NN
43297	647	19	,	,	,
43297	647	20	limestone	limestone	NN
43297	647	21	-	-	HYPH
43297	647	22	dust	dust	NN
43297	647	23	or	or	CC
43297	647	24	chalk	chalk	NN
43297	647	25	,	,	,
43297	647	26	and	and	CC
43297	647	27	sand	sand	NN
43297	647	28	being	be	VBG
43297	647	29	those	those	DT
43297	647	30	most	most	RBS
43297	647	31	usually	usually	RB
43297	647	32	found	find	VBN
43297	647	33	.	.	.
43297	648	1	_	_	NNP
43297	648	2	River	River	NNP
43297	648	3	-	-	HYPH
43297	648	4	deposited	deposit	VBN
43297	648	5	clays	clay	NNS
43297	648	6	_	_	NNP
43297	648	7	,	,	,
43297	648	8	_	_	NNP
43297	648	9	i.e.	i.e.	FW
43297	648	10	_	_	NNP
43297	648	11	,	,	,
43297	648	12	those	those	DT
43297	648	13	which	which	WDT
43297	648	14	have	have	VBP
43297	648	15	accumulated	accumulate	VBN
43297	648	16	along	along	IN
43297	648	17	the	the	DT
43297	648	18	banks	bank	NNS
43297	648	19	,	,	,
43297	648	20	are	be	VBP
43297	648	21	characterized	characterize	VBN
43297	648	22	by	by	IN
43297	648	23	their	-PRON-	PRP$
43297	648	24	irregularity	irregularity	NN
43297	648	25	in	in	IN
43297	648	26	thickness	thickness	NN
43297	648	27	,	,	,
43297	648	28	their	-PRON-	PRP$
43297	648	29	variable	variable	JJ
43297	648	30	composition	composition	NN
43297	648	31	and	and	CC
43297	648	32	the	the	DT
43297	648	33	extent	extent	NN
43297	648	34	to	to	TO
43297	648	35	which	which	WDT
43297	648	36	various	various	JJ
43297	648	37	materials	material	NNS
43297	648	38	are	be	VBP
43297	648	39	mixed	mixed	JJ
43297	648	40	together	together	RB
43297	648	41	.	.	.
43297	649	1	This	this	DT
43297	649	2	renders	render	VBZ
43297	649	3	them	-PRON-	PRP
43297	649	4	difficult	difficult	JJ
43297	649	5	to	to	TO
43297	649	6	work	work	VB
43297	649	7	and	and	CC
43297	649	8	greatly	greatly	RB
43297	649	9	increases	increase	VBZ
43297	649	10	the	the	DT
43297	649	11	risks	risk	NNS
43297	649	12	of	of	IN
43297	649	13	manufacture	manufacture	NN
43297	649	14	as	as	IN
43297	649	15	the	the	DT
43297	649	16	whole	whole	JJ
43297	649	17	character	character	NN
43297	649	18	of	of	IN
43297	649	19	a	a	DT
43297	649	20	fluviatile	fluviatile	NN
43297	649	21	clay	clay	NN
43297	649	22	may	may	MD
43297	649	23	change	change	VB
43297	649	24	completely	completely	RB
43297	649	25	in	in	IN
43297	649	26	the	the	DT
43297	649	27	course	course	NN
43297	649	28	of	of	IN
43297	649	29	a	a	DT
43297	649	30	few	few	JJ
43297	649	31	yards	yard	NNS
43297	649	32	.	.	.
43297	650	1	According	accord	VBG
43297	650	2	to	to	IN
43297	650	3	the	the	DT
43297	650	4	districts	district	NNS
43297	650	5	traversed	traverse	VBN
43297	650	6	by	by	IN
43297	650	7	the	the	DT
43297	650	8	water	water	NN
43297	650	9	,	,	,
43297	650	10	the	the	DT
43297	650	11	extent	extent	NN
43297	650	12	to	to	TO
43297	650	13	which	which	WDT
43297	650	14	the	the	DT
43297	650	15	materials	material	NNS
43297	650	16	have	have	VBP
43297	650	17	been	be	VBN
43297	650	18	deposited	deposit	VBN
43297	650	19	and	and	CC
43297	650	20	re	re	VBN
43297	650	21	-	-	VBN
43297	650	22	transported	transported	JJ
43297	650	23	and	and	CC
43297	650	24	the	the	DT
43297	650	25	fresh	fresh	JJ
43297	650	26	materials	material	NNS
43297	650	27	introduced	introduce	VBN
43297	650	28	by	by	IN
43297	650	29	earth	earth	NN
43297	650	30	-	-	HYPH
43297	650	31	movements	movement	NNS
43297	650	32	,	,	,
43297	650	33	river	river	NN
43297	650	34	-	-	HYPH
43297	650	35	deposited	deposit	VBN
43297	650	36	clays	clay	NNS
43297	650	37	may	may	MD
43297	650	38	be	be	VB
43297	650	39	(	(	-LRB-
43297	650	40	_	_	NNP
43297	650	41	a	a	DT
43297	650	42	_	_	NNP
43297	650	43	)	)	-RRB-
43297	650	44	_	_	NNP
43297	650	45	plastic	plastic	NN
43297	650	46	_	_	NNP
43297	650	47	and	and	CC
43297	650	48	sufficiently	sufficiently	RB
43297	650	49	pure	pure	JJ
43297	650	50	to	to	TO
43297	650	51	be	be	VB
43297	650	52	classified	classify	VBN
43297	650	53	as	as	IN
43297	650	54	'	'	``
43297	650	55	clays	clay	NNS
43297	650	56	,	,	,
43297	650	57	'	'	''
43297	650	58	(	(	-LRB-
43297	650	59	_	_	NNP
43297	650	60	b	b	NNP
43297	650	61	_	_	NNP
43297	650	62	)	)	-RRB-
43297	650	63	_	_	NNP
43297	650	64	marls	marls	NNP
43297	650	65	_	_	NNP
43297	650	66	or	or	CC
43297	650	67	clays	clay	NNS
43297	650	68	containing	contain	VBG
43297	650	69	limestone	limestone	NN
43297	650	70	-	-	HYPH
43297	650	71	dust	dust	NN
43297	650	72	or	or	CC
43297	650	73	chalk	chalk	NN
43297	650	74	thoroughly	thoroughly	RB
43297	650	75	mixed	mix	VBN
43297	650	76	with	with	IN
43297	650	77	the	the	DT
43297	650	78	clay	clay	NN
43297	650	79	,	,	,
43297	650	80	and	and	CC
43297	650	81	(	(	-LRB-
43297	650	82	_	_	NNP
43297	650	83	c	c	NNP
43297	650	84	_	_	NNP
43297	650	85	)	)	-RRB-
43297	650	86	_	_	NNP
43297	650	87	loams	loams	NNP
43297	650	88	_	_	NNP
43297	650	89	or	or	CC
43297	650	90	clays	clay	NNS
43297	650	91	containing	contain	VBG
43297	650	92	so	so	RB
43297	650	93	much	much	JJ
43297	650	94	sand	sand	NN
43297	650	95	that	that	IN
43297	650	96	they	-PRON-	PRP
43297	650	97	may	may	MD
43297	650	98	be	be	VB
43297	650	99	distinguished	distinguish	VBN
43297	650	100	by	by	IN
43297	650	101	the	the	DT
43297	650	102	touch	touch	NN
43297	650	103	from	from	IN
43297	650	104	the	the	DT
43297	650	105	clays	clay	NNS
43297	650	106	in	in	IN
43297	650	107	class	class	NN
43297	650	108	(	(	-LRB-
43297	650	109	_	_	NNP
43297	650	110	a	a	DT
43297	650	111	_	_	NNP
43297	650	112	)	)	-RRB-
43297	650	113	.	.	.
43297	651	1	Intermediate	intermediate	JJ
43297	651	2	to	to	IN
43297	651	3	these	these	DT
43297	651	4	well	well	RB
43297	651	5	-	-	HYPH
43297	651	6	defined	define	VBN
43297	651	7	classes	class	NNS
43297	651	8	there	there	EX
43297	651	9	are	be	VBP
43297	651	10	numerous	numerous	JJ
43297	651	11	mixtures	mixture	NNS
43297	651	12	bearing	bear	VBG
43297	651	13	compound	compound	NN
43297	651	14	names	name	NNS
43297	651	15	such	such	JJ
43297	651	16	as	as	IN
43297	651	17	sandy	sandy	NNP
43297	651	18	loams	loams	NNP
43297	651	19	,	,	,
43297	651	20	sandy	sandy	NNP
43297	651	21	marls	marls	NNP
43297	651	22	,	,	,
43297	651	23	argillaceous	argillaceous	JJ
43297	651	24	limestone	limestone	NN
43297	651	25	,	,	,
43297	651	26	calcareous	calcareous	JJ
43297	651	27	sands	sand	NNS
43297	651	28	,	,	,
43297	651	29	and	and	CC
43297	651	30	calcareous	calcareous	JJ
43297	651	31	arenaceous	arenaceous	JJ
43297	651	32	clays	clay	NNS
43297	651	33	,	,	,
43297	651	34	to	to	TO
43297	651	35	which	which	WDT
43297	651	36	no	no	DT
43297	651	37	definite	definite	JJ
43297	651	38	characteristics	characteristic	NNS
43297	651	39	can	can	MD
43297	651	40	be	be	VB
43297	651	41	assigned	assign	VBN
43297	651	42	.	.	.
43297	652	1	To	to	IN
43297	652	2	some	some	DT
43297	652	3	extent	extent	NN
43297	652	4	a	a	DT
43297	652	5	transportation	transportation	NN
43297	652	6	of	of	IN
43297	652	7	clays	clay	NNS
43297	652	8	and	and	CC
43297	652	9	associated	associate	VBN
43297	652	10	materials	material	NNS
43297	652	11	occurs	occur	VBZ
43297	652	12	in	in	IN
43297	652	13	_	_	NNP
43297	652	14	lakes	lakes	NNP
43297	652	15	_	_	NNP
43297	652	16	,	,	,
43297	652	17	but	but	CC
43297	652	18	the	the	DT
43297	652	19	chief	chief	JJ
43297	652	20	processes	process	NNS
43297	652	21	there	there	EX
43297	652	22	are	be	VBP
43297	652	23	of	of	IN
43297	652	24	the	the	DT
43297	652	25	nature	nature	NN
43297	652	26	of	of	IN
43297	652	27	sedimentation	sedimentation	NN
43297	652	28	accompanied	accompany	VBN
43297	652	29	by	by	IN
43297	652	30	some	some	DT
43297	652	31	amount	amount	NN
43297	652	32	of	of	IN
43297	652	33	separation	separation	NN
43297	652	34	.	.	.
43297	653	1	On	on	IN
43297	653	2	the	the	DT
43297	653	3	shores	shore	NNS
43297	653	4	of	of	IN
43297	653	5	lakes	lake	NNS
43297	653	6	,	,	,
43297	653	7	and	and	CC
43297	653	8	to	to	IN
43297	653	9	a	a	DT
43297	653	10	much	much	RB
43297	653	11	larger	large	JJR
43297	653	12	extent	extent	NN
43297	653	13	on	on	IN
43297	653	14	the	the	DT
43297	653	15	sea	sea	NN
43297	653	16	coasts	coast	NNS
43297	653	17	,	,	,
43297	653	18	extensive	extensive	JJ
43297	653	19	erosion	erosion	NN
43297	653	20	followed	follow	VBN
43297	653	21	by	by	IN
43297	653	22	transportation	transportation	NN
43297	653	23	occurs	occur	VBZ
43297	653	24	continuously	continuously	RB
43297	653	25	,	,	,
43297	653	26	enormous	enormous	JJ
43297	653	27	quantities	quantity	NNS
43297	653	28	of	of	IN
43297	653	29	land	land	NN
43297	653	30	being	be	VBG
43297	653	31	annually	annually	RB
43297	653	32	removed	remove	VBN
43297	653	33	and	and	CC
43297	653	34	deposited	deposit	VBN
43297	653	35	in	in	IN
43297	653	36	some	some	DT
43297	653	37	portion	portion	NN
43297	653	38	of	of	IN
43297	653	39	the	the	DT
43297	653	40	ocean	ocean	NN
43297	653	41	bed	bed	NN
43297	653	42	.	.	.
43297	654	1	The	the	DT
43297	654	2	erosion	erosion	NN
43297	654	3	of	of	IN
43297	654	4	cliffs	cliff	NNS
43297	654	5	and	and	CC
43297	654	6	the	the	DT
43297	654	7	corresponding	corresponding	JJ
43297	654	8	formation	formation	NN
43297	654	9	of	of	IN
43297	654	10	sand	sand	NN
43297	654	11	and	and	CC
43297	654	12	pebbles	pebble	NNS
43297	654	13	are	be	VBP
43297	654	14	too	too	RB
43297	654	15	well	well	RB
43297	654	16	known	known	JJ
43297	654	17	to	to	TO
43297	654	18	need	need	VB
43297	654	19	further	further	JJ
43297	654	20	description	description	NN
43297	654	21	.	.	.
43297	655	1	It	-PRON-	PRP
43297	655	2	should	should	MD
43297	655	3	,	,	,
43297	655	4	however	however	RB
43297	655	5	,	,	,
43297	655	6	be	be	VB
43297	655	7	noticed	notice	VBN
43297	655	8	that	that	IN
43297	655	9	the	the	DT
43297	655	10	clay	clay	NN
43297	655	11	particles	particle	NNS
43297	655	12	,	,	,
43297	655	13	being	be	VBG
43297	655	14	much	much	RB
43297	655	15	finer	fine	JJR
43297	655	16	,	,	,
43297	655	17	are	be	VBP
43297	655	18	carried	carry	VBN
43297	655	19	so	so	RB
43297	655	20	far	far	RB
43297	655	21	away	away	RB
43297	655	22	from	from	IN
43297	655	23	the	the	DT
43297	655	24	shore	shore	NN
43297	655	25	that	that	WDT
43297	655	26	only	only	RB
43297	655	27	pebbles	pebble	NNS
43297	655	28	and	and	CC
43297	655	29	sand	sand	NN
43297	655	30	remain	remain	VBP
43297	655	31	to	to	TO
43297	655	32	form	form	VB
43297	655	33	the	the	DT
43297	655	34	beaches	beach	NNS
43297	655	35	,	,	,
43297	655	36	the	the	DT
43297	655	37	finer	fine	JJR
43297	655	38	particles	particle	NNS
43297	655	39	forming	form	VBG
43297	655	40	'	'	''
43297	655	41	ocean	ocean	NN
43297	655	42	ooze	ooze	NN
43297	655	43	.	.	.
43297	655	44	'	'	''
43297	656	1	The	the	DT
43297	656	2	action	action	NN
43297	656	3	of	of	IN
43297	656	4	the	the	DT
43297	656	5	_	_	NNP
43297	656	6	sea	sea	NN
43297	656	7	_	_	NNP
43297	656	8	in	in	IN
43297	656	9	the	the	DT
43297	656	10	transport	transport	NN
43297	656	11	of	of	IN
43297	656	12	rock	rock	NN
43297	656	13	-	-	HYPH
43297	656	14	materials	material	NNS
43297	656	15	is	be	VBZ
43297	656	16	more	more	RBR
43297	656	17	intense	intense	JJ
43297	656	18	than	than	IN
43297	656	19	that	that	DT
43297	656	20	of	of	IN
43297	656	21	rivers	river	NNS
43297	656	22	,	,	,
43297	656	23	the	the	DT
43297	656	24	coasts	coast	NNS
43297	656	25	being	be	VBG
43297	656	26	worn	wear	VBN
43297	656	27	away	away	RP
43297	656	28	by	by	IN
43297	656	29	repeated	repeat	VBN
43297	656	30	blows	blow	NNS
43297	656	31	from	from	IN
43297	656	32	the	the	DT
43297	656	33	waves	wave	NNS
43297	656	34	and	and	CC
43297	656	35	the	the	DT
43297	656	36	pebbles	pebble	NNS
43297	656	37	and	and	CC
43297	656	38	sand	sand	NN
43297	656	39	grains	grain	NNS
43297	656	40	the	the	DT
43297	656	41	latter	latter	JJ
43297	656	42	contain	contain	NN
43297	656	43	.	.	.
43297	657	1	The	the	DT
43297	657	2	ocean	ocean	NN
43297	657	3	currents	current	NNS
43297	657	4	carry	carry	VBP
43297	657	5	the	the	DT
43297	657	6	materials	material	NNS
43297	657	7	dislodged	dislodge	VBN
43297	657	8	by	by	IN
43297	657	9	the	the	DT
43297	657	10	waves	wave	NNS
43297	657	11	and	and	CC
43297	657	12	transport	transport	VB
43297	657	13	them	-PRON-	PRP
43297	657	14	,	,	,
43297	657	15	sometimes	sometimes	RB
43297	657	16	to	to	IN
43297	657	17	enormous	enormous	JJ
43297	657	18	distances	distance	NNS
43297	657	19	,	,	,
43297	657	20	usually	usually	RB
43297	657	21	allowing	allow	VBG
43297	657	22	a	a	DT
43297	657	23	considerable	considerable	JJ
43297	657	24	amount	amount	NN
43297	657	25	of	of	IN
43297	657	26	separation	separation	NN
43297	657	27	to	to	TO
43297	657	28	take	take	VB
43297	657	29	place	place	NN
43297	657	30	during	during	IN
43297	657	31	the	the	DT
43297	657	32	transit	transit	NN
43297	657	33	.	.	.
43297	658	1	In	in	IN
43297	658	2	this	this	DT
43297	658	3	way	way	NN
43297	658	4	they	-PRON-	PRP
43297	658	5	act	act	VBP
43297	658	6	in	in	IN
43297	658	7	a	a	DT
43297	658	8	similar	similar	JJ
43297	658	9	manner	manner	NN
43297	658	10	to	to	IN
43297	658	11	rivers	river	NNS
43297	658	12	and	and	CC
43297	658	13	streams	stream	NNS
43297	658	14	.	.	.
43297	659	1	_	_	NNP
43297	659	2	Glaciers	Glaciers	NNPS
43297	659	3	_	_	NNP
43297	659	4	may	may	MD
43297	659	5	be	be	VB
43297	659	6	regarded	regard	VBN
43297	659	7	as	as	IN
43297	659	8	rivers	river	NNS
43297	659	9	of	of	IN
43297	659	10	ice	ice	NN
43297	659	11	which	which	WDT
43297	659	12	erode	erode	VBP
43297	659	13	their	-PRON-	PRP$
43297	659	14	banks	bank	NNS
43297	659	15	and	and	CC
43297	659	16	bed	bed	NN
43297	659	17	in	in	IN
43297	659	18	a	a	DT
43297	659	19	manner	manner	NN
43297	659	20	similar	similar	JJ
43297	659	21	to	to	IN
43297	659	22	,	,	,
43297	659	23	but	but	CC
43297	659	24	more	more	RBR
43297	659	25	rapidly	rapidly	RB
43297	659	26	than	than	IN
43297	659	27	,	,	,
43297	659	28	streams	stream	NNS
43297	659	29	of	of	IN
43297	659	30	water	water	NN
43297	659	31	.	.	.
43297	660	1	Owing	owe	VBG
43297	660	2	to	to	IN
43297	660	3	their	-PRON-	PRP$
43297	660	4	much	much	RB
43297	660	5	greater	great	JJR
43297	660	6	viscosity	viscosity	NN
43297	660	7	,	,	,
43297	660	8	glaciers	glacier	NNS
43297	660	9	are	be	VBP
43297	660	10	able	able	JJ
43297	660	11	to	to	TO
43297	660	12	carry	carry	VB
43297	660	13	large	large	JJ
43297	660	14	boulders	boulder	NNS
43297	660	15	as	as	RB
43297	660	16	well	well	RB
43297	660	17	as	as	IN
43297	660	18	gravel	gravel	NN
43297	660	19	,	,	,
43297	660	20	sand	sand	NN
43297	660	21	and	and	CC
43297	660	22	clay	clay	NN
43297	660	23	,	,	,
43297	660	24	so	so	IN
43297	660	25	that	that	IN
43297	660	26	the	the	DT
43297	660	27	materials	material	NNS
43297	660	28	transported	transport	VBN
43297	660	29	by	by	IN
43297	660	30	them	-PRON-	PRP
43297	660	31	are	be	VBP
43297	660	32	far	far	RB
43297	660	33	more	more	RBR
43297	660	34	complex	complex	JJ
43297	660	35	in	in	IN
43297	660	36	composition	composition	NN
43297	660	37	and	and	CC
43297	660	38	size	size	NN
43297	660	39	than	than	IN
43297	660	40	are	be	VBP
43297	660	41	those	those	DT
43297	660	42	carried	carry	VBN
43297	660	43	by	by	IN
43297	660	44	flowing	flow	VBG
43297	660	45	water	water	NN
43297	660	46	.	.	.
43297	661	1	[	[	-LRB-
43297	661	2	Illustration	illustration	NN
43297	661	3	:	:	:
43297	661	4	Fig	Fig	NNP
43297	661	5	.	.	.
43297	662	1	14	14	CD
43297	662	2	.	.	.
43297	663	1	Illustrating	illustrate	VBG
43297	663	2	the	the	DT
43297	663	3	successive	successive	JJ
43297	663	4	deposition	deposition	NN
43297	663	5	of	of	IN
43297	663	6	different	different	JJ
43297	663	7	strata	strata	NN
43297	663	8	.	.	.
43297	663	9	]	]	-RRB-
43297	664	1	Separation	separation	NN
43297	664	2	and	and	CC
43297	664	3	Sedimentation	Sedimentation	NNP
43297	664	4	.	.	.
43297	665	1	The	the	DT
43297	665	2	clay	clay	NN
43297	665	3	and	and	CC
43297	665	4	other	other	JJ
43297	665	5	particles	particle	NNS
43297	665	6	having	have	VBG
43297	665	7	been	be	VBN
43297	665	8	placed	place	VBN
43297	665	9	in	in	IN
43297	665	10	suspension	suspension	NN
43297	665	11	in	in	IN
43297	665	12	water	water	NN
43297	665	13	by	by	IN
43297	665	14	one	one	CD
43297	665	15	or	or	CC
43297	665	16	more	more	JJR
43297	665	17	of	of	IN
43297	665	18	the	the	DT
43297	665	19	natural	natural	JJ
43297	665	20	forces	force	NNS
43297	665	21	already	already	RB
43297	665	22	mentioned	mention	VBN
43297	665	23	,	,	,
43297	665	24	they	-PRON-	PRP
43297	665	25	soon	soon	RB
43297	665	26	undergo	undergo	VBP
43297	665	27	a	a	DT
43297	665	28	process	process	NN
43297	665	29	of	of	IN
43297	665	30	sorting	sort	VBG
43297	665	31	or	or	CC
43297	665	32	separation	separation	NN
43297	665	33	,	,	,
43297	665	34	previous	previous	JJ
43297	665	35	to	to	IN
43297	665	36	their	-PRON-	PRP$
43297	665	37	deposition	deposition	NN
43297	665	38	.	.	.
43297	666	1	The	the	DT
43297	666	2	power	power	NN
43297	666	3	of	of	IN
43297	666	4	water	water	NN
43297	666	5	for	for	IN
43297	666	6	carrying	carry	VBG
43297	666	7	matter	matter	NN
43297	666	8	in	in	IN
43297	666	9	suspension	suspension	NN
43297	666	10	depends	depend	VBZ
43297	666	11	largely	largely	RB
43297	666	12	on	on	IN
43297	666	13	its	-PRON-	PRP$
43297	666	14	velocity	velocity	NN
43297	666	15	,	,	,
43297	666	16	and	and	CC
43297	666	17	when	when	WRB
43297	666	18	this	this	DT
43297	666	19	is	be	VBZ
43297	666	20	reduced	reduce	VBN
43297	666	21	,	,	,
43297	666	22	as	as	IN
43297	666	23	when	when	WRB
43297	666	24	a	a	DT
43297	666	25	river	river	NN
43297	666	26	discharges	discharge	VBZ
43297	666	27	into	into	IN
43297	666	28	a	a	DT
43297	666	29	lake	lake	NN
43297	666	30	or	or	CC
43297	666	31	sea	sea	NN
43297	666	32	,	,	,
43297	666	33	the	the	DT
43297	666	34	larger	large	JJR
43297	666	35	and	and	CC
43297	666	36	denser	denser	NN
43297	666	37	particles	particle	NNS
43297	666	38	at	at	IN
43297	666	39	once	once	RB
43297	666	40	commence	commence	NN
43297	666	41	to	to	TO
43297	666	42	settle	settle	VB
43297	666	43	,	,	,
43297	666	44	the	the	DT
43297	666	45	smaller	small	JJR
43297	666	46	ones	one	NNS
43297	666	47	remaining	remain	VBG
43297	666	48	longer	long	RBR
43297	666	49	in	in	IN
43297	666	50	suspension	suspension	NN
43297	666	51	,	,	,
43297	666	52	though	though	IN
43297	666	53	if	if	IN
43297	666	54	the	the	DT
43297	666	55	velocity	velocity	NN
43297	666	56	of	of	IN
43297	666	57	the	the	DT
43297	666	58	water	water	NN
43297	666	59	is	be	VBZ
43297	666	60	reduced	reduce	VBN
43297	666	61	sufficiently	sufficiently	RB
43297	666	62	all	all	PDT
43297	666	63	the	the	DT
43297	666	64	particles	particle	NNS
43297	666	65	will	will	MD
43297	666	66	be	be	VB
43297	666	67	deposited	deposit	VBN
43297	666	68	.	.	.
43297	667	1	Hence	hence	RB
43297	667	2	,	,	,
43297	667	3	the	the	DT
43297	667	4	deposits	deposit	NNS
43297	667	5	in	in	IN
43297	667	6	lakes	lake	NNS
43297	667	7	(	(	-LRB-
43297	667	8	_	_	NNP
43297	667	9	lacustrine	lacustrine	NNP
43297	667	10	_	_	NNP
43297	667	11	)	)	-RRB-
43297	667	12	and	and	CC
43297	667	13	at	at	IN
43297	667	14	the	the	DT
43297	667	15	mouths	mouth	NNS
43297	667	16	of	of	IN
43297	667	17	rivers	river	NNS
43297	667	18	(	(	-LRB-
43297	667	19	_	_	NNP
43297	667	20	estuarine	estuarine	NN
43297	667	21	_	_	NNP
43297	667	22	)	)	-RRB-
43297	667	23	increase	increase	VB
43297	667	24	more	more	RBR
43297	667	25	or	or	CC
43297	667	26	less	less	RBR
43297	667	27	regularly	regularly	RB
43297	667	28	in	in	IN
43297	667	29	fineness	fineness	NN
43297	667	30	according	accord	VBG
43297	667	31	to	to	IN
43297	667	32	their	-PRON-	PRP$
43297	667	33	distance	distance	NN
43297	667	34	from	from	IN
43297	667	35	the	the	DT
43297	667	36	point	point	NN
43297	667	37	at	at	IN
43297	667	38	which	which	WDT
43297	667	39	the	the	DT
43297	667	40	water	water	NN
43297	667	41	enters	enter	VBZ
43297	667	42	,	,	,
43297	667	43	the	the	DT
43297	667	44	gravel	gravel	NN
43297	667	45	and	and	CC
43297	667	46	stones	stone	NNS
43297	667	47	being	be	VBG
43297	667	48	deposited	deposit	VBN
43297	667	49	first	first	RB
43297	667	50	,	,	,
43297	667	51	then	then	RB
43297	667	52	the	the	DT
43297	667	53	coarse	coarse	JJ
43297	667	54	sand	sand	NN
43297	667	55	,	,	,
43297	667	56	next	next	IN
43297	667	57	the	the	DT
43297	667	58	finer	fine	JJR
43297	667	59	sand	sand	NN
43297	667	60	and	and	CC
43297	667	61	finally	finally	RB
43297	667	62	the	the	DT
43297	667	63	silt	silt	NN
43297	667	64	and	and	CC
43297	667	65	clay	clay	NN
43297	667	66	(	(	-LRB-
43297	667	67	fig	fig	NN
43297	667	68	.	.	.
43297	668	1	14	14	CD
43297	668	2	)	)	-RRB-
43297	668	3	.	.	.
43297	669	1	If	if	IN
43297	669	2	cross	cross	NN
43297	669	3	-	-	NNS
43297	669	4	currents	current	NNS
43297	669	5	are	be	VBP
43297	669	6	present	present	JJ
43297	669	7	,	,	,
43297	669	8	the	the	DT
43297	669	9	deposits	deposit	NNS
43297	669	10	will	will	MD
43297	669	11	,	,	,
43297	669	12	naturally	naturally	RB
43297	669	13	,	,	,
43297	669	14	be	be	VB
43297	669	15	made	make	VBN
43297	669	16	more	more	RBR
43297	669	17	irregular	irregular	JJ
43297	669	18	,	,	,
43297	669	19	and	and	CC
43297	669	20	in	in	IN
43297	669	21	some	some	DT
43297	669	22	cases	case	NNS
43297	669	23	variations	variation	NNS
43297	669	24	in	in	IN
43297	669	25	the	the	DT
43297	669	26	flow	flow	NN
43297	669	27	of	of	IN
43297	669	28	the	the	DT
43297	669	29	transporting	transporting	JJ
43297	669	30	water	water	NN
43297	669	31	may	may	MD
43297	669	32	cause	cause	VB
43297	669	33	the	the	DT
43297	669	34	coarser	coarser	NN
43297	669	35	particles	particle	NNS
43297	669	36	to	to	TO
43297	669	37	be	be	VB
43297	669	38	carried	carry	VBN
43297	669	39	further	far	RBR
43297	669	40	than	than	IN
43297	669	41	usual	usual	JJ
43297	669	42	so	so	IN
43297	669	43	that	that	IN
43297	669	44	they	-PRON-	PRP
43297	669	45	may	may	MD
43297	669	46	cover	cover	VB
43297	669	47	some	some	DT
43297	669	48	of	of	IN
43297	669	49	the	the	DT
43297	669	50	finer	finer	NN
43297	669	51	deposits	deposit	NNS
43297	669	52	previously	previously	RB
43297	669	53	formed	form	VBN
43297	669	54	;	;	:
43297	669	55	but	but	CC
43297	669	56	as	as	IN
43297	669	57	the	the	DT
43297	669	58	clay	clay	NN
43297	669	59	and	and	CC
43297	669	60	silt	silt	NN
43297	669	61	particles	particle	NNS
43297	669	62	are	be	VBP
43297	669	63	so	so	RB
43297	669	64	much	much	RB
43297	669	65	finer	fine	JJR
43297	669	66	than	than	IN
43297	669	67	sand	sand	NN
43297	669	68	and	and	CC
43297	669	69	gravel	gravel	VBP
43297	669	70	they	-PRON-	PRP
43297	669	71	usually	usually	RB
43297	669	72	travel	travel	VBP
43297	669	73	so	so	RB
43297	669	74	far	far	RB
43297	669	75	before	before	IN
43297	669	76	settling	settle	VBG
43297	669	77	that	that	IN
43297	669	78	their	-PRON-	PRP$
43297	669	79	deposits	deposit	NNS
43297	669	80	are	be	VBP
43297	669	81	very	very	RB
43297	669	82	uniform	uniform	JJ
43297	669	83	if	if	IN
43297	669	84	the	the	DT
43297	669	85	area	area	NN
43297	669	86	over	over	IN
43297	669	87	which	which	WDT
43297	669	88	they	-PRON-	PRP
43297	669	89	are	be	VBP
43297	669	90	spread	spread	VBN
43297	669	91	is	be	VBZ
43297	669	92	sufficiently	sufficiently	RB
43297	669	93	large	large	JJ
43297	669	94	.	.	.
43297	670	1	Lake	lake	NN
43297	670	2	-	-	HYPH
43297	670	3	deposited	deposit	VBN
43297	670	4	clays	clay	NNS
43297	670	5	are	be	VBP
43297	670	6	for	for	IN
43297	670	7	this	this	DT
43297	670	8	reason	reason	NN
43297	670	9	more	more	RBR
43297	670	10	uniform	uniform	JJ
43297	670	11	than	than	IN
43297	670	12	estuarine	estuarine	JJ
43297	670	13	beds	bed	NNS
43297	670	14	,	,	,
43297	670	15	whilst	whilst	IN
43297	670	16	beds	bed	NNS
43297	670	17	deposited	deposit	VBN
43297	670	18	at	at	IN
43297	670	19	considerable	considerable	JJ
43297	670	20	depths	depth	NNS
43297	670	21	in	in	IN
43297	670	22	the	the	DT
43297	670	23	sea	sea	NN
43297	670	24	and	and	CC
43297	670	25	at	at	IN
43297	670	26	a	a	DT
43297	670	27	great	great	JJ
43297	670	28	distance	distance	NN
43297	670	29	from	from	IN
43297	670	30	land	land	NN
43297	670	31	are	be	VBP
43297	670	32	still	still	RB
43297	670	33	more	more	RBR
43297	670	34	uniform	uniform	JJ
43297	670	35	.	.	.
43297	671	1	A	a	DT
43297	671	2	_	_	NNP
43297	671	3	lacustrine	lacustrine	NN
43297	671	4	clay	clay	NN
43297	671	5	_	_	NNP
43297	671	6	is	be	VBZ
43297	671	7	usually	usually	RB
43297	671	8	more	more	RBR
43297	671	9	persistent	persistent	JJ
43297	671	10	and	and	CC
43297	671	11	uniform	uniform	JJ
43297	671	12	than	than	IN
43297	671	13	fluviatile	fluviatile	NN
43297	671	14	beds	bed	NNS
43297	671	15	though	though	IN
43297	671	16	sometimes	sometimes	RB
43297	671	17	difficult	difficult	JJ
43297	671	18	to	to	TO
43297	671	19	distinguish	distinguish	VB
43297	671	20	from	from	IN
43297	671	21	the	the	DT
43297	671	22	latter	latter	JJ
43297	671	23	.	.	.
43297	672	1	Some	some	DT
43297	672	2	of	of	IN
43297	672	3	the	the	DT
43297	672	4	most	most	RBS
43297	672	5	valuable	valuable	JJ
43297	672	6	clay	clay	NN
43297	672	7	deposits	deposit	NNS
43297	672	8	are	be	VBP
43297	672	9	of	of	IN
43297	672	10	lacustrine	lacustrine	JJ
43297	672	11	formation	formation	NN
43297	672	12	;	;	:
43297	672	13	their	-PRON-	PRP$
43297	672	14	comparative	comparative	JJ
43297	672	15	purity	purity	NN
43297	672	16	and	and	CC
43297	672	17	great	great	JJ
43297	672	18	uniformity	uniformity	NN
43297	672	19	enabling	enable	VBG
43297	672	20	ware	ware	NN
43297	672	21	of	of	IN
43297	672	22	excellent	excellent	JJ
43297	672	23	colour	colour	NN
43297	672	24	and	and	CC
43297	672	25	texture	texture	NN
43297	672	26	to	to	TO
43297	672	27	be	be	VB
43297	672	28	produced	produce	VBN
43297	672	29	without	without	IN
43297	672	30	much	much	JJ
43297	672	31	difficulty	difficulty	NN
43297	672	32	.	.	.
43297	673	1	Thus	thus	RB
43297	673	2	the	the	DT
43297	673	3	Reading	reading	NN
43297	673	4	mottled	mottle	VBD
43297	673	5	clays	clay	NNS
43297	673	6	of	of	IN
43297	673	7	the	the	DT
43297	673	8	Hampshire	Hampshire	NNP
43297	673	9	basin	basin	NN
43297	673	10	,	,	,
43297	673	11	on	on	IN
43297	673	12	the	the	DT
43297	673	13	outskirts	outskirt	NNS
43297	673	14	of	of	IN
43297	673	15	the	the	DT
43297	673	16	London	London	NNP
43297	673	17	basin	basin	NN
43297	673	18	and	and	CC
43297	673	19	in	in	IN
43297	673	20	Northern	Northern	NNP
43297	673	21	France	France	NNP
43297	673	22	are	be	VBP
43297	673	23	well	well	RB
43297	673	24	known	know	VBN
43297	673	25	for	for	IN
43297	673	26	the	the	DT
43297	673	27	admirable	admirable	JJ
43297	673	28	red	red	JJ
43297	673	29	bricks	brick	NNS
43297	673	30	,	,	,
43297	673	31	tiles	tile	NNS
43297	673	32	and	and	CC
43297	673	33	terra	terra	NNP
43297	673	34	-	-	HYPH
43297	673	35	cotta	cotta	NNP
43297	673	36	produced	produce	VBN
43297	673	37	from	from	IN
43297	673	38	them	-PRON-	PRP
43297	673	39	.	.	.
43297	674	1	Still	still	RB
43297	674	2	purer	purer	NN
43297	674	3	clays	clay	NNS
43297	674	4	deposited	deposit	VBN
43297	674	5	at	at	IN
43297	674	6	Bovey	Bovey	NNP
43297	674	7	Heathfield	Heathfield	NNP
43297	674	8	in	in	IN
43297	674	9	Devonshire	Devonshire	NNP
43297	674	10	are	be	VBP
43297	674	11	also	also	RB
43297	674	12	of	of	IN
43297	674	13	lacustrine	lacustrine	JJ
43297	674	14	origin	origin	NN
43297	674	15	,	,	,
43297	674	16	though	though	IN
43297	674	17	they	-PRON-	PRP
43297	674	18	differ	differ	VBP
43297	674	19	in	in	IN
43297	674	20	many	many	JJ
43297	674	21	respects	respect	NNS
43297	674	22	from	from	IN
43297	674	23	the	the	DT
43297	674	24	ordinary	ordinary	JJ
43297	674	25	lake	lake	NN
43297	674	26	-	-	HYPH
43297	674	27	deposited	deposit	VBN
43297	674	28	clays	clay	NNS
43297	674	29	and	and	CC
43297	674	30	are	be	VBP
43297	674	31	of	of	IN
43297	674	32	unusual	unusual	JJ
43297	674	33	thickness	thickness	NN
43297	674	34	for	for	IN
43297	674	35	deposits	deposit	NNS
43297	674	36	formed	form	VBN
43297	674	37	in	in	IN
43297	674	38	this	this	DT
43297	674	39	manner	manner	NN
43297	674	40	.	.	.
43297	675	1	[	[	-LRB-
43297	675	2	Illustration	illustration	NN
43297	675	3	:	:	:
43297	675	4	Fig	Fig	NNP
43297	675	5	.	.	.
43297	676	1	15	15	CD
43297	676	2	.	.	.
43297	677	1	Lacustrine	lacustrine	JJ
43297	677	2	clay	clay	NN
43297	677	3	at	at	IN
43297	677	4	Skipsea	Skipsea	NNP
43297	677	5	.	.	.
43297	678	1	(	(	-LRB-
43297	678	2	_	_	NNP
43297	678	3	By	by	IN
43297	678	4	courtesy	courtesy	NN
43297	678	5	of	of	IN
43297	678	6	T.	T.	NNP
43297	678	7	Sheppard	Sheppard	NNP
43297	678	8	Esq	Esq	NNP
43297	678	9	.	.	.
43297	678	10	_	_	NNP
43297	678	11	)	)	-RRB-
43297	678	12	]	]	-RRB-
43297	678	13	The	the	DT
43297	678	14	greater	great	JJR
43297	678	15	purity	purity	NN
43297	678	16	of	of	IN
43297	678	17	lacustrine	lacustrine	NNP
43297	678	18	clays	clay	NNS
43297	678	19	,	,	,
43297	678	20	as	as	IN
43297	678	21	compared	compare	VBN
43297	678	22	with	with	IN
43297	678	23	fluviatile	fluviatile	JJ
43297	678	24	ones	one	NNS
43297	678	25	,	,	,
43297	678	26	is	be	VBZ
43297	678	27	attributed	attribute	VBN
43297	678	28	to	to	IN
43297	678	29	the	the	DT
43297	678	30	much	much	RB
43297	678	31	larger	large	JJR
43297	678	32	area	area	NN
43297	678	33	over	over	IN
43297	678	34	which	which	WDT
43297	678	35	the	the	DT
43297	678	36	deposit	deposit	NN
43297	678	37	is	be	VBZ
43297	678	38	spread,--enabling	spread,--enable	VBG
43297	678	39	variations	variation	NNS
43297	678	40	in	in	IN
43297	678	41	the	the	DT
43297	678	42	deposits	deposit	NNS
43297	678	43	to	to	TO
43297	678	44	be	be	VB
43297	678	45	much	much	RB
43297	678	46	less	less	RBR
43297	678	47	noticeable	noticeable	JJ
43297	678	48	than	than	IN
43297	678	49	when	when	WRB
43297	678	50	a	a	DT
43297	678	51	smaller	small	JJR
43297	678	52	area	area	NN
43297	678	53	is	be	VBZ
43297	678	54	covered	cover	VBN
43297	678	55	--	--	:
43297	678	56	and	and	CC
43297	678	57	to	to	IN
43297	678	58	the	the	DT
43297	678	59	very	very	RB
43297	678	60	small	small	JJ
43297	678	61	velocity	velocity	NN
43297	678	62	of	of	IN
43297	678	63	the	the	DT
43297	678	64	water	water	NN
43297	678	65	in	in	IN
43297	678	66	lakes	lakes	NNP
43297	678	67	,	,	,
43297	678	68	whereby	whereby	WRB
43297	678	69	all	all	PDT
43297	678	70	the	the	DT
43297	678	71	coarser	coarser	NN
43297	678	72	particles	particle	NNS
43297	678	73	are	be	VBP
43297	678	74	deposited	deposit	VBN
43297	678	75	a	a	DT
43297	678	76	considerable	considerable	JJ
43297	678	77	distance	distance	NN
43297	678	78	away	away	RB
43297	678	79	from	from	IN
43297	678	80	the	the	DT
43297	678	81	clays	clay	NNS
43297	678	82	and	and	CC
43297	678	83	silts	silt	NNS
43297	678	84	.	.	.
43297	679	1	Ries	rie	NNS
43297	679	2	(	(	-LRB-
43297	679	3	6	6	CD
43297	679	4	)	)	-RRB-
43297	679	5	has	have	VBZ
43297	679	6	pointed	point	VBN
43297	679	7	out	out	RP
43297	679	8	that	that	IN
43297	679	9	many	many	JJ
43297	679	10	(	(	-LRB-
43297	679	11	American	American	NNP
43297	679	12	)	)	-RRB-
43297	679	13	lake	lake	NN
43297	679	14	-	-	HYPH
43297	679	15	clays	clay	NNS
43297	679	16	are	be	VBP
43297	679	17	of	of	IN
43297	679	18	glacial	glacial	JJ
43297	679	19	origin	origin	NN
43297	679	20	,	,	,
43297	679	21	having	have	VBG
43297	679	22	been	be	VBN
43297	679	23	laid	lay	VBN
43297	679	24	in	in	IN
43297	679	25	basins	basin	NNS
43297	679	26	or	or	CC
43297	679	27	hollows	hollow	NNS
43297	679	28	along	along	IN
43297	679	29	the	the	DT
43297	679	30	margin	margin	NN
43297	679	31	of	of	IN
43297	679	32	the	the	DT
43297	679	33	ice	ice	NN
43297	679	34	-	-	HYPH
43297	679	35	sheet	sheet	NN
43297	679	36	or	or	CC
43297	679	37	in	in	IN
43297	679	38	valleys	valley	NNS
43297	679	39	which	which	WDT
43297	679	40	have	have	VBP
43297	679	41	been	be	VBN
43297	679	42	dammed	dam	VBN
43297	679	43	by	by	IN
43297	679	44	an	an	DT
43297	679	45	accumulation	accumulation	NN
43297	679	46	of	of	IN
43297	679	47	drift	drift	NN
43297	679	48	across	across	IN
43297	679	49	them	-PRON-	PRP
43297	679	50	.	.	.
43297	680	1	Such	such	JJ
43297	680	2	clay	clay	NN
43297	680	3	beds	bed	NNS
43297	680	4	are	be	VBP
43297	680	5	usually	usually	RB
43297	680	6	surface	surface	NN
43297	680	7	deposits	deposit	NNS
43297	680	8	of	of	IN
43297	680	9	variable	variable	JJ
43297	680	10	thickness	thickness	NN
43297	680	11	and	and	CC
43297	680	12	frequently	frequently	RB
43297	680	13	impure	impure	VBP
43297	680	14	.	.	.
43297	681	1	Like	like	IN
43297	681	2	all	all	DT
43297	681	3	lacustrine	lacustrine	NN
43297	681	4	deposits	deposit	NNS
43297	681	5	they	-PRON-	PRP
43297	681	6	show	show	VBP
43297	681	7	(	(	-LRB-
43297	681	8	though	though	IN
43297	681	9	in	in	IN
43297	681	10	a	a	DT
43297	681	11	more	more	RBR
43297	681	12	marked	marked	JJ
43297	681	13	degree	degree	NN
43297	681	14	than	than	IN
43297	681	15	in	in	IN
43297	681	16	the	the	DT
43297	681	17	older	old	JJR
43297	681	18	and	and	CC
43297	681	19	larger	large	JJR
43297	681	20	lakes	lake	NNS
43297	681	21	)	)	-RRB-
43297	681	22	alternate	alternate	JJ
43297	681	23	layers	layer	NNS
43297	681	24	of	of	IN
43297	681	25	sand	sand	NN
43297	681	26	and	and	CC
43297	681	27	clay	clay	NN
43297	681	28	,	,	,
43297	681	29	though	though	IN
43297	681	30	the	the	DT
43297	681	31	former	former	JJ
43297	681	32	are	be	VBP
43297	681	33	usually	usually	RB
43297	681	34	too	too	RB
43297	681	35	thin	thin	JJ
43297	681	36	to	to	TO
43297	681	37	be	be	VB
43297	681	38	noticeable	noticeable	JJ
43297	681	39	except	except	IN
43297	681	40	for	for	IN
43297	681	41	their	-PRON-	PRP$
43297	681	42	action	action	NN
43297	681	43	in	in	IN
43297	681	44	enabling	enable	VBG
43297	681	45	the	the	DT
43297	681	46	deposited	deposit	VBN
43297	681	47	material	material	NN
43297	681	48	to	to	TO
43297	681	49	be	be	VB
43297	681	50	easily	easily	RB
43297	681	51	split	split	VBN
43297	681	52	along	along	IN
43297	681	53	the	the	DT
43297	681	54	lines	line	NNS
43297	681	55	of	of	IN
43297	681	56	bedding	bed	VBG
43297	681	57	.	.	.
43297	682	1	_	_	NNP
43297	682	2	Estuarine	Estuarine	NNP
43297	682	3	deposits	deposit	NNS
43297	682	4	_	_	NNP
43297	682	5	partake	partake	NN
43297	682	6	of	of	IN
43297	682	7	the	the	DT
43297	682	8	nature	nature	NN
43297	682	9	of	of	IN
43297	682	10	both	both	DT
43297	682	11	fluviatile	fluviatile	JJ
43297	682	12	and	and	CC
43297	682	13	marine	marine	JJ
43297	682	14	beds	bed	NNS
43297	682	15	,	,	,
43297	682	16	according	accord	VBG
43297	682	17	to	to	IN
43297	682	18	their	-PRON-	PRP$
43297	682	19	position	position	NN
43297	682	20	relative	relative	JJ
43297	682	21	to	to	IN
43297	682	22	the	the	DT
43297	682	23	river	river	NN
43297	682	24	from	from	IN
43297	682	25	which	which	WDT
43297	682	26	they	-PRON-	PRP
43297	682	27	originate	originate	VBP
43297	682	28	.	.	.
43297	683	1	They	-PRON-	PRP
43297	683	2	are	be	VBP
43297	683	3	usually	usually	RB
43297	683	4	uncertain	uncertain	JJ
43297	683	5	in	in	IN
43297	683	6	character	character	NN
43297	683	7	and	and	CC
43297	683	8	are	be	VBP
43297	683	9	often	often	RB
43297	683	10	irregular	irregular	JJ
43297	683	11	in	in	IN
43297	683	12	composition	composition	NN
43297	683	13	owing	owe	VBG
43297	683	14	to	to	IN
43297	683	15	the	the	DT
43297	683	16	variations	variation	NNS
43297	683	17	in	in	IN
43297	683	18	the	the	DT
43297	683	19	flow	flow	NN
43297	683	20	of	of	IN
43297	683	21	the	the	DT
43297	683	22	water	water	NN
43297	683	23	.	.	.
43297	684	1	The	the	DT
43297	684	2	Estuarine	Estuarine	NNP
43297	684	3	clays	clay	NNS
43297	684	4	of	of	IN
43297	684	5	Great	Great	NNP
43297	684	6	Britain	Britain	NNP
43297	684	7	--	--	:
43297	684	8	with	with	IN
43297	684	9	the	the	DT
43297	684	10	possible	possible	JJ
43297	684	11	exception	exception	NN
43297	684	12	of	of	IN
43297	684	13	the	the	DT
43297	684	14	Jurassic	Jurassic	NNP
43297	684	15	deposits	deposit	NNS
43297	684	16	in	in	IN
43297	684	17	Northamptonshire	Northamptonshire	NNP
43297	684	18	and	and	CC
43297	684	19	Lincolnshire	Lincolnshire	NNP
43297	684	20	--	--	:
43297	684	21	are	be	VBP
43297	684	22	of	of	IN
43297	684	23	minor	minor	JJ
43297	684	24	importance	importance	NN
43297	684	25	,	,	,
43297	684	26	but	but	CC
43297	684	27	in	in	IN
43297	684	28	some	some	DT
43297	684	29	countries	country	NNS
43297	684	30	they	-PRON-	PRP
43297	684	31	form	form	VBP
43297	684	32	a	a	DT
43297	684	33	valuable	valuable	JJ
43297	684	34	source	source	NN
43297	684	35	of	of	IN
43297	684	36	clay	clay	NN
43297	684	37	.	.	.
43297	685	1	[	[	-LRB-
43297	685	2	Illustration	illustration	NN
43297	685	3	:	:	:
43297	685	4	Fig	Fig	NNP
43297	685	5	.	.	.
43297	686	1	16	16	CD
43297	686	2	.	.	.
43297	687	1	Clay	clay	NN
43297	687	2	at	at	IN
43297	687	3	Nostel	Nostel	NNP
43297	687	4	,	,	,
43297	687	5	showing	show	VBG
43297	687	6	Marine	Marine	NNP
43297	687	7	Band	Band	NNP
43297	687	8	.	.	.
43297	688	1	(	(	-LRB-
43297	688	2	_	_	NNP
43297	688	3	By	by	IN
43297	688	4	courtesy	courtesy	NN
43297	688	5	of	of	IN
43297	688	6	T.	T.	NNP
43297	688	7	Sheppard	Sheppard	NNP
43297	688	8	Esq	Esq	NNP
43297	688	9	.	.	.
43297	688	10	_	_	NNP
43297	688	11	)	)	-RRB-
43297	688	12	]	]	-RRB-
43297	688	13	_	_	NNP
43297	688	14	Marine	Marine	NNP
43297	688	15	clays	clay	NNS
43297	688	16	_	_	NNP
43297	688	17	are	be	VBP
43297	688	18	,	,	,
43297	688	19	as	as	IN
43297	688	20	their	-PRON-	PRP$
43297	688	21	name	name	NN
43297	688	22	implies	imply	VBZ
43297	688	23	,	,	,
43297	688	24	those	those	DT
43297	688	25	deposited	deposit	VBN
43297	688	26	from	from	IN
43297	688	27	sea	sea	NN
43297	688	28	water	water	NN
43297	688	29	.	.	.
43297	689	1	They	-PRON-	PRP
43297	689	2	are	be	VBP
43297	689	3	frequently	frequently	RB
43297	689	4	found	find	VBN
43297	689	5	at	at	IN
43297	689	6	a	a	DT
43297	689	7	considerable	considerable	JJ
43297	689	8	distance	distance	NN
43297	689	9	from	from	IN
43297	689	10	the	the	DT
43297	689	11	shores	shore	NNS
43297	689	12	of	of	IN
43297	689	13	the	the	DT
43297	689	14	ocean	ocean	NN
43297	689	15	in	in	IN
43297	689	16	which	which	WDT
43297	689	17	they	-PRON-	PRP
43297	689	18	were	be	VBD
43297	689	19	laid	lay	VBN
43297	689	20	down	down	RP
43297	689	21	,	,	,
43297	689	22	and	and	CC
43297	689	23	subsequent	subsequent	JJ
43297	689	24	risings	rising	NNS
43297	689	25	and	and	CC
43297	689	26	fallings	falling	NNS
43297	689	27	of	of	IN
43297	689	28	the	the	DT
43297	689	29	surface	surface	NN
43297	689	30	of	of	IN
43297	689	31	the	the	DT
43297	689	32	earth	earth	NN
43297	689	33	have	have	VBP
43297	689	34	so	so	RB
43297	689	35	altered	alter	VBN
43297	689	36	the	the	DT
43297	689	37	areas	area	NNS
43297	689	38	occupied	occupy	VBN
43297	689	39	by	by	IN
43297	689	40	sea	sea	NN
43297	689	41	water	water	NN
43297	689	42	,	,	,
43297	689	43	that	that	IN
43297	689	44	a	a	DT
43297	689	45	large	large	JJ
43297	689	46	number	number	NN
43297	689	47	of	of	IN
43297	689	48	marine	marine	JJ
43297	689	49	deposits	deposit	NNS
43297	689	50	now	now	RB
43297	689	51	form	form	VBP
43297	689	52	dry	dry	JJ
43297	689	53	land	land	NN
43297	689	54	.	.	.
43297	690	1	Though	though	IN
43297	690	2	usually	usually	RB
43297	690	3	of	of	IN
43297	690	4	enormous	enormous	JJ
43297	690	5	size	size	NN
43297	690	6	and	and	CC
43297	690	7	of	of	IN
43297	690	8	generally	generally	RB
43297	690	9	persistent	persistent	JJ
43297	690	10	character	character	NN
43297	690	11	,	,	,
43297	690	12	marine	marine	JJ
43297	690	13	clay	clay	NN
43297	690	14	deposits	deposit	NNS
43297	690	15	vary	vary	VBP
43297	690	16	considerably	considerably	RB
43297	690	17	in	in	IN
43297	690	18	the	the	DT
43297	690	19	composition	composition	NN
43297	690	20	of	of	IN
43297	690	21	the	the	DT
43297	690	22	material	material	NN
43297	690	23	at	at	IN
43297	690	24	different	different	JJ
43297	690	25	depths	depth	NNS
43297	690	26	,	,	,
43297	690	27	as	as	RB
43297	690	28	well	well	RB
43297	690	29	as	as	IN
43297	690	30	in	in	IN
43297	690	31	different	different	JJ
43297	690	32	areas	area	NNS
43297	690	33	.	.	.
43297	691	1	This	this	DT
43297	691	2	is	be	VBZ
43297	691	3	only	only	RB
43297	691	4	to	to	TO
43297	691	5	be	be	VB
43297	691	6	expected	expect	VBN
43297	691	7	from	from	IN
43297	691	8	the	the	DT
43297	691	9	manner	manner	NN
43297	691	10	of	of	IN
43297	691	11	their	-PRON-	PRP$
43297	691	12	deposition	deposition	NN
43297	691	13	,	,	,
43297	691	14	from	from	IN
43297	691	15	the	the	DT
43297	691	16	varied	varied	JJ
43297	691	17	sources	source	NNS
43297	691	18	of	of	IN
43297	691	19	the	the	DT
43297	691	20	material	material	NN
43297	691	21	and	and	CC
43297	691	22	from	from	IN
43297	691	23	the	the	DT
43297	691	24	numerous	numerous	JJ
43297	691	25	river-	river-	NN
43297	691	26	and	and	CC
43297	691	27	ocean	ocean	NN
43297	691	28	-	-	HYPH
43297	691	29	currents	current	NNS
43297	691	30	taking	take	VBG
43297	691	31	part	part	NN
43297	691	32	in	in	IN
43297	691	33	their	-PRON-	PRP$
43297	691	34	formation	formation	NN
43297	691	35	.	.	.
43297	692	1	For	for	IN
43297	692	2	this	this	DT
43297	692	3	reason	reason	NN
43297	692	4	it	-PRON-	PRP
43297	692	5	is	be	VBZ
43297	692	6	generally	generally	RB
43297	692	7	necessary	necessary	JJ
43297	692	8	to	to	TO
43297	692	9	mix	mix	VB
43297	692	10	together	together	RB
43297	692	11	portions	portion	NNS
43297	692	12	of	of	IN
43297	692	13	the	the	DT
43297	692	14	deposit	deposit	NN
43297	692	15	drawn	draw	VBN
43297	692	16	from	from	IN
43297	692	17	various	various	JJ
43297	692	18	depths	depth	NNS
43297	692	19	in	in	IN
43297	692	20	order	order	NN
43297	692	21	to	to	TO
43297	692	22	secure	secure	VB
43297	692	23	a	a	DT
43297	692	24	greater	great	JJR
43297	692	25	uniformity	uniformity	NN
43297	692	26	than	than	IN
43297	692	27	would	would	MD
43297	692	28	be	be	VB
43297	692	29	obtained	obtain	VBN
43297	692	30	if	if	IN
43297	692	31	a	a	DT
43297	692	32	larger	large	JJR
43297	692	33	area	area	NN
43297	692	34	were	be	VBD
43297	692	35	to	to	TO
43297	692	36	be	be	VB
43297	692	37	worked	work	VBN
43297	692	38	to	to	IN
43297	692	39	a	a	DT
43297	692	40	smaller	small	JJR
43297	692	41	depth	depth	NN
43297	692	42	.	.	.
43297	693	1	The	the	DT
43297	693	2	Oxford	Oxford	NNP
43297	693	3	clay	clay	NN
43297	693	4	which	which	WDT
43297	693	5	extends	extend	VBZ
43297	693	6	from	from	IN
43297	693	7	the	the	DT
43297	693	8	centre	centre	NN
43297	693	9	of	of	IN
43297	693	10	England	England	NNP
43297	693	11	to	to	IN
43297	693	12	the	the	DT
43297	693	13	centre	centre	NN
43297	693	14	of	of	IN
43297	693	15	France	France	NNP
43297	693	16	is	be	VBZ
43297	693	17	a	a	DT
43297	693	18	typical	typical	JJ
43297	693	19	marine	marine	JJ
43297	693	20	clay	clay	NN
43297	693	21	.	.	.
43297	694	1	At	at	IN
43297	694	2	the	the	DT
43297	694	3	bottom	bottom	NN
43297	694	4	of	of	IN
43297	694	5	all	all	DT
43297	694	6	oceans	ocean	NNS
43297	694	7	at	at	IN
43297	694	8	the	the	DT
43297	694	9	present	present	JJ
43297	694	10	day	day	NN
43297	694	11	is	be	VBZ
43297	694	12	a	a	DT
43297	694	13	deposit	deposit	NN
43297	694	14	,	,	,
43297	694	15	of	of	IN
43297	694	16	unknown	unknown	JJ
43297	694	17	thickness	thickness	NN
43297	694	18	,	,	,
43297	694	19	of	of	IN
43297	694	20	red	red	JJ
43297	694	21	calcareous	calcareous	JJ
43297	694	22	clay	clay	NN
43297	694	23	or	or	CC
43297	694	24	_	_	NNP
43297	694	25	ooze	ooze	NN
43297	694	26	_	_	NNP
43297	694	27	which	which	WDT
43297	694	28	is	be	VBZ
43297	694	29	steadily	steadily	RB
43297	694	30	increasing	increase	VBG
43297	694	31	in	in	IN
43297	694	32	amount	amount	NN
43297	694	33	and	and	CC
43297	694	34	is	be	VBZ
43297	694	35	thereby	thereby	RB
43297	694	36	forming	form	VBG
43297	694	37	a	a	DT
43297	694	38	fresh	fresh	JJ
43297	694	39	marine	marine	JJ
43297	694	40	deposit	deposit	NN
43297	694	41	,	,	,
43297	694	42	though	though	IN
43297	694	43	at	at	IN
43297	694	44	present	present	JJ
43297	694	45	its	-PRON-	PRP$
43297	694	46	inaccessibility	inaccessibility	NN
43297	694	47	deprives	deprive	VBZ
43297	694	48	it	-PRON-	PRP
43297	694	49	of	of	IN
43297	694	50	all	all	DT
43297	694	51	economic	economic	JJ
43297	694	52	value	value	NN
43297	694	53	.	.	.
43297	695	1	It	-PRON-	PRP
43297	695	2	is	be	VBZ
43297	695	3	important	important	JJ
43297	695	4	not	not	RB
43297	695	5	to	to	TO
43297	695	6	overlook	overlook	VB
43297	695	7	the	the	DT
43297	695	8	enormous	enormous	JJ
43297	695	9	part	part	NN
43297	695	10	played	play	VBN
43297	695	11	by	by	IN
43297	695	12	variations	variation	NNS
43297	695	13	in	in	IN
43297	695	14	the	the	DT
43297	695	15	level	level	NN
43297	695	16	of	of	IN
43297	695	17	the	the	DT
43297	695	18	land	land	NN
43297	695	19	relative	relative	JJ
43297	695	20	to	to	IN
43297	695	21	that	that	DT
43297	695	22	of	of	IN
43297	695	23	the	the	DT
43297	695	24	ocean	ocean	NN
43297	695	25	in	in	IN
43297	695	26	past	past	JJ
43297	695	27	ages	age	NNS
43297	695	28	.	.	.
43297	696	1	For	for	IN
43297	696	2	instance	instance	NN
43297	696	3	,	,	,
43297	696	4	there	there	EX
43297	696	5	is	be	VBZ
43297	696	6	abundant	abundant	JJ
43297	696	7	evidence	evidence	NN
43297	696	8	to	to	TO
43297	696	9	show	show	VB
43297	696	10	that	that	IN
43297	696	11	practically	practically	RB
43297	696	12	the	the	DT
43297	696	13	whole	whole	NN
43297	696	14	of	of	IN
43297	696	15	Great	Great	NNP
43297	696	16	Britain	Britain	NNP
43297	696	17	has	have	VBZ
43297	696	18	been	be	VBN
43297	696	19	repeatedly	repeatedly	RB
43297	696	20	submerged	submerge	VBN
43297	696	21	to	to	IN
43297	696	22	great	great	JJ
43297	696	23	depths	depth	NNS
43297	696	24	and	and	CC
43297	696	25	has	have	VBZ
43297	696	26	been	be	VBN
43297	696	27	raised	raise	VBN
43297	696	28	to	to	IN
43297	696	29	heights	height	NNS
43297	696	30	far	far	RB
43297	696	31	greater	great	JJR
43297	696	32	than	than	IN
43297	696	33	its	-PRON-	PRP$
43297	696	34	present	present	JJ
43297	696	35	average	average	NN
43297	696	36	.	.	.
43297	697	1	These	these	DT
43297	697	2	oft	oft	RB
43297	697	3	-	-	HYPH
43297	697	4	repeated	repeat	VBN
43297	697	5	risings	rising	NNS
43297	697	6	and	and	CC
43297	697	7	settlings	settling	NNS
43297	697	8	have	have	VBP
43297	697	9	caused	cause	VBN
43297	697	10	great	great	JJ
43297	697	11	changes	change	NNS
43297	697	12	in	in	IN
43297	697	13	the	the	DT
43297	697	14	nature	nature	NN
43297	697	15	of	of	IN
43297	697	16	the	the	DT
43297	697	17	deposited	deposit	VBN
43297	697	18	materials	material	NNS
43297	697	19	so	so	IN
43297	697	20	that	that	IN
43297	697	21	in	in	IN
43297	697	22	the	the	DT
43297	697	23	Coal	Coal	NNP
43297	697	24	Measures	Measures	NNPS
43297	697	25	,	,	,
43297	697	26	for	for	IN
43297	697	27	example	example	NN
43297	697	28	,	,	,
43297	697	29	there	there	EX
43297	697	30	are	be	VBP
43297	697	31	deposits	deposit	NNS
43297	697	32	of	of	IN
43297	697	33	obviously	obviously	RB
43297	697	34	fresh	fresh	JJ
43297	697	35	-	-	HYPH
43297	697	36	water	water	NN
43297	697	37	origin	origin	NN
43297	697	38	sandwiched	sandwich	VBN
43297	697	39	in	in	RB
43297	697	40	between	between	IN
43297	697	41	others	other	NNS
43297	697	42	undoubtedly	undoubtedly	RB
43297	697	43	marine	marine	JJ
43297	697	44	.	.	.
43297	698	1	It	-PRON-	PRP
43297	698	2	can	can	MD
43297	698	3	readily	readily	RB
43297	698	4	be	be	VB
43297	698	5	understood	understand	VBN
43297	698	6	,	,	,
43297	698	7	as	as	IN
43297	698	8	stated	state	VBN
43297	698	9	by	by	IN
43297	698	10	Arber	Arber	NNP
43297	698	11	(	(	-LRB-
43297	698	12	24	24	CD
43297	698	13	)	)	-RRB-
43297	698	14	,	,	,
43297	698	15	that	that	IN
43297	698	16	if	if	IN
43297	698	17	,	,	,
43297	698	18	at	at	IN
43297	698	19	a	a	DT
43297	698	20	given	give	VBN
43297	698	21	period	period	NN
43297	698	22	,	,	,
43297	698	23	the	the	DT
43297	698	24	dry	dry	JJ
43297	698	25	land	land	NN
43297	698	26	during	during	IN
43297	698	27	the	the	DT
43297	698	28	formation	formation	NN
43297	698	29	of	of	IN
43297	698	30	the	the	DT
43297	698	31	Coal	Coal	NNP
43297	698	32	Measures	Measures	NNPS
43297	698	33	gradually	gradually	RB
43297	698	34	subsided	subside	VBD
43297	698	35	,	,	,
43297	698	36	it	-PRON-	PRP
43297	698	37	would	would	MD
43297	698	38	first	first	RB
43297	698	39	be	be	VB
43297	698	40	covered	cover	VBN
43297	698	41	with	with	IN
43297	698	42	clear	clear	JJ
43297	698	43	water	water	NN
43297	698	44	,	,	,
43297	698	45	whilst	whilst	IN
43297	698	46	from	from	IN
43297	698	47	those	those	DT
43297	698	48	portions	portion	NNS
43297	698	49	of	of	IN
43297	698	50	the	the	DT
43297	698	51	area	area	NN
43297	698	52	which	which	WDT
43297	698	53	occupied	occupy	VBD
43297	698	54	the	the	DT
43297	698	55	higher	high	JJR
43297	698	56	ground	ground	NN
43297	698	57	the	the	DT
43297	698	58	rivers	river	NNS
43297	698	59	and	and	CC
43297	698	60	streams	stream	NNS
43297	698	61	continued	continue	VBD
43297	698	62	to	to	TO
43297	698	63	pour	pour	VB
43297	698	64	into	into	IN
43297	698	65	their	-PRON-	PRP$
43297	698	66	estuary	estuary	JJ
43297	698	67	a	a	DT
43297	698	68	large	large	JJ
43297	698	69	amount	amount	NN
43297	698	70	of	of	IN
43297	698	71	fresh	fresh	JJ
43297	698	72	-	-	HYPH
43297	698	73	water	water	NN
43297	698	74	material	material	NN
43297	698	75	.	.	.
43297	699	1	Later	later	RB
43297	699	2	,	,	,
43297	699	3	a	a	DT
43297	699	4	stage	stage	NN
43297	699	5	would	would	MD
43297	699	6	be	be	VB
43297	699	7	reached	reach	VBN
43297	699	8	when	when	WRB
43297	699	9	mud	mud	NN
43297	699	10	of	of	IN
43297	699	11	marine	marine	JJ
43297	699	12	origin	origin	NN
43297	699	13	invaded	invade	VBD
43297	699	14	the	the	DT
43297	699	15	area	area	NN
43297	699	16	and	and	CC
43297	699	17	covered	cover	VBD
43297	699	18	the	the	DT
43297	699	19	previous	previous	JJ
43297	699	20	deposits	deposit	NNS
43297	699	21	.	.	.
43297	700	1	When	when	WRB
43297	700	2	,	,	,
43297	700	3	after	after	IN
43297	700	4	an	an	DT
43297	700	5	indefinitely	indefinitely	RB
43297	700	6	long	long	JJ
43297	700	7	period	period	NN
43297	700	8	,	,	,
43297	700	9	the	the	DT
43297	700	10	ground	ground	NN
43297	700	11	again	again	RB
43297	700	12	rose	rise	VBD
43297	700	13	,	,	,
43297	700	14	fresh	fresh	JJ
43297	700	15	-	-	HYPH
43297	700	16	water	water	NN
43297	700	17	deposits	deposit	NNS
43297	700	18	might	may	MD
43297	700	19	again	again	RB
43297	700	20	form	form	VB
43297	700	21	,	,	,
43297	700	22	and	and	CC
43297	700	23	this	this	DT
43297	700	24	alternation	alternation	NN
43297	700	25	of	of	IN
43297	700	26	marine	marine	NN
43297	700	27	and	and	CC
43297	700	28	fluviatile	fluviatile	NN
43297	700	29	deposits	deposit	NNS
43297	700	30	appears	appear	VBZ
43297	700	31	to	to	TO
43297	700	32	have	have	VB
43297	700	33	been	be	VBN
43297	700	34	repeated	repeat	VBN
43297	700	35	with	with	IN
43297	700	36	great	great	JJ
43297	700	37	frequency	frequency	NN
43297	700	38	during	during	IN
43297	700	39	the	the	DT
43297	700	40	Carboniferous	carboniferous	JJ
43297	700	41	period	period	NN
43297	700	42	.	.	.
43297	701	1	In	in	IN
43297	701	2	the	the	DT
43297	701	3	Lower	Lower	NNP
43297	701	4	Coal	Coal	NNP
43297	701	5	Measures	Measures	NNPS
43297	701	6	of	of	IN
43297	701	7	Yorkshire	Yorkshire	NNP
43297	701	8	and	and	CC
43297	701	9	Lancashire	Lancashire	NNP
43297	701	10	,	,	,
43297	701	11	Stopes	Stopes	NNP
43297	701	12	and	and	CC
43297	701	13	Watson	Watson	NNP
43297	701	14	(	(	-LRB-
43297	701	15	23	23	CD
43297	701	16	)	)	-RRB-
43297	701	17	have	have	VBP
43297	701	18	shown	show	VBN
43297	701	19	that	that	IN
43297	701	20	the	the	DT
43297	701	21	shales	shale	NNS
43297	701	22	forming	form	VBG
43297	701	23	the	the	DT
43297	701	24	roof	roof	NN
43297	701	25	of	of	IN
43297	701	26	the	the	DT
43297	701	27	Upper	Upper	NNP
43297	701	28	Foot	Foot	NNP
43297	701	29	Coal	Coal	NNP
43297	701	30	were	be	VBD
43297	701	31	derived	derive	VBN
43297	701	32	from	from	IN
43297	701	33	drifted	drifted	JJ
43297	701	34	sediments	sediment	NNS
43297	701	35	of	of	IN
43297	701	36	marine	marine	JJ
43297	701	37	origin	origin	NN
43297	701	38	.	.	.
43297	702	1	Precipitated	precipitate	VBN
43297	702	2	Clays	Clays	NNP
43297	702	3	.	.	.
43297	703	1	If	if	IN
43297	703	2	the	the	DT
43297	703	3	plasticity	plasticity	NN
43297	703	4	of	of	IN
43297	703	5	some	some	DT
43297	703	6	clays	clay	NNS
43297	703	7	is	be	VBZ
43297	703	8	really	really	RB
43297	703	9	due	due	JJ
43297	703	10	to	to	IN
43297	703	11	the	the	DT
43297	703	12	colloidal	colloidal	JJ
43297	703	13	nature	nature	NN
43297	703	14	of	of	IN
43297	703	15	their	-PRON-	PRP$
43297	703	16	particles	particle	NNS
43297	703	17	,	,	,
43297	703	18	it	-PRON-	PRP
43297	703	19	is	be	VBZ
43297	703	20	obvious	obvious	JJ
43297	703	21	that	that	IN
43297	703	22	they	-PRON-	PRP
43297	703	23	must	must	MD
43297	703	24	have	have	VB
43297	703	25	been	be	VBN
43297	703	26	formed	form	VBN
43297	703	27	by	by	IN
43297	703	28	a	a	DT
43297	703	29	process	process	NN
43297	703	30	of	of	IN
43297	703	31	coagulation	coagulation	NN
43297	703	32	or	or	CC
43297	703	33	precipitation	precipitation	NN
43297	703	34	at	at	IN
43297	703	35	a	a	DT
43297	703	36	distance	distance	NN
43297	703	37	from	from	IN
43297	703	38	the	the	DT
43297	703	39	site	site	NN
43297	703	40	of	of	IN
43297	703	41	the	the	DT
43297	703	42	minerals	mineral	NNS
43297	703	43	from	from	IN
43297	703	44	which	which	WDT
43297	703	45	they	-PRON-	PRP
43297	703	46	have	have	VBP
43297	703	47	been	be	VBN
43297	703	48	derived	derive	VBN
43297	703	49	.	.	.
43297	704	1	According	accord	VBG
43297	704	2	to	to	IN
43297	704	3	the	the	DT
43297	704	4	'	'	``
43297	704	5	colloid	colloid	NN
43297	704	6	theory	theory	NN
43297	704	7	,	,	,
43297	704	8	'	'	''
43297	704	9	felspar	felspar	NNS
43297	704	10	and	and	CC
43297	704	11	other	other	JJ
43297	704	12	alumino	alumino	NNP
43297	704	13	-	-	HYPH
43297	704	14	silicates	silicate	NNS
43297	704	15	are	be	VBP
43297	704	16	decomposed	decompose	VBN
43297	704	17	by	by	IN
43297	704	18	'	'	``
43297	704	19	weathering	weathering	NN
43297	704	20	,	,	,
43297	704	21	'	'	''
43297	704	22	the	the	DT
43297	704	23	chief	chief	JJ
43297	704	24	effect	effect	NN
43297	704	25	of	of	IN
43297	704	26	which	which	WDT
43297	704	27	is	be	VBZ
43297	704	28	the	the	DT
43297	704	29	formation	formation	NN
43297	704	30	(	(	-LRB-
43297	704	31	by	by	IN
43297	704	32	hydrolysis	hydrolysis	NN
43297	704	33	)	)	-RRB-
43297	704	34	of	of	IN
43297	704	35	a	a	DT
43297	704	36	colloidal	colloidal	JJ
43297	704	37	solution	solution	NN
43297	704	38	of	of	IN
43297	704	39	'	'	``
43297	704	40	clay	clay	NN
43297	704	41	.	.	.
43297	704	42	'	'	''
43297	705	1	This	this	DT
43297	705	2	apparently	apparently	RB
43297	705	3	clear	clear	JJ
43297	705	4	solution	solution	NN
43297	705	5	flows	flow	VBZ
43297	705	6	along	along	IN
43297	705	7	in	in	IN
43297	705	8	the	the	DT
43297	705	9	form	form	NN
43297	705	10	of	of	IN
43297	705	11	a	a	DT
43297	705	12	small	small	JJ
43297	705	13	streamlet	streamlet	NN
43297	705	14	,	,	,
43297	705	15	joins	join	VBZ
43297	705	16	other	other	JJ
43297	705	17	streamlets	streamlet	NNS
43297	705	18	and	and	CC
43297	705	19	continues	continue	VBZ
43297	705	20	its	-PRON-	PRP$
43297	705	21	journey	journey	NN
43297	705	22	.	.	.
43297	706	1	So	so	RB
43297	706	2	long	long	RB
43297	706	3	as	as	IN
43297	706	4	it	-PRON-	PRP
43297	706	5	is	be	VBZ
43297	706	6	quite	quite	RB
43297	706	7	neutral	neutral	JJ
43297	706	8	or	or	CC
43297	706	9	contains	contain	VBZ
43297	706	10	free	free	JJ
43297	706	11	alkali	alkali	JJ
43297	706	12	the	the	DT
43297	706	13	solution	solution	NN
43297	706	14	will	will	MD
43297	706	15	remain	remain	VB
43297	706	16	practically	practically	RB
43297	706	17	clear	clear	JJ
43297	706	18	,	,	,
43297	706	19	but	but	CC
43297	706	20	as	as	RB
43297	706	21	soon	soon	RB
43297	706	22	as	as	IN
43297	706	23	acids	acid	NNS
43297	706	24	enter	enter	VBP
43297	706	25	the	the	DT
43297	706	26	stream	stream	NN
43297	706	27	,	,	,
43297	706	28	or	or	CC
43297	706	29	are	be	VBP
43297	706	30	formed	form	VBN
43297	706	31	in	in	IN
43297	706	32	it	-PRON-	PRP
43297	706	33	by	by	IN
43297	706	34	the	the	DT
43297	706	35	decomposition	decomposition	NN
43297	706	36	of	of	IN
43297	706	37	organic	organic	JJ
43297	706	38	matter	matter	NN
43297	706	39	,	,	,
43297	706	40	a	a	DT
43297	706	41	coagulation	coagulation	NN
43297	706	42	of	of	IN
43297	706	43	the	the	DT
43297	706	44	colloidal	colloidal	JJ
43297	706	45	matter	matter	NN
43297	706	46	will	will	MD
43297	706	47	commence	commence	VB
43297	706	48	and	and	CC
43297	706	49	the	the	DT
43297	706	50	amount	amount	NN
43297	706	51	of	of	IN
43297	706	52	'	'	``
43297	706	53	clay	clay	NN
43297	706	54	'	'	''
43297	706	55	thus	thus	RB
43297	706	56	thrown	throw	VBN
43297	706	57	out	out	IN
43297	706	58	of	of	IN
43297	706	59	solution	solution	NN
43297	706	60	will	will	MD
43297	706	61	depend	depend	VB
43297	706	62	on	on	IN
43297	706	63	the	the	DT
43297	706	64	amount	amount	NN
43297	706	65	of	of	IN
43297	706	66	such	such	JJ
43297	706	67	free	free	JJ
43297	706	68	acid	acid	NN
43297	706	69	.	.	.
43297	707	1	If	if	IN
43297	707	2	the	the	DT
43297	707	3	coagulation	coagulation	NN
43297	707	4	or	or	CC
43297	707	5	precipitation	precipitation	NN
43297	707	6	occurs	occur	VBZ
43297	707	7	in	in	IN
43297	707	8	still	still	RB
43297	707	9	water	water	NN
43297	707	10	,	,	,
43297	707	11	the	the	DT
43297	707	12	'	'	``
43297	707	13	clay	clay	NN
43297	707	14	'	'	''
43297	707	15	will	will	MD
43297	707	16	be	be	VB
43297	707	17	deposited	deposit	VBN
43297	707	18	almost	almost	RB
43297	707	19	immediately	immediately	RB
43297	707	20	,	,	,
43297	707	21	otherwise	otherwise	RB
43297	707	22	it	-PRON-	PRP
43297	707	23	will	will	MD
43297	707	24	be	be	VB
43297	707	25	carried	carry	VBN
43297	707	26	forward	forward	RB
43297	707	27	until	until	IN
43297	707	28	it	-PRON-	PRP
43297	707	29	reaches	reach	VBZ
43297	707	30	a	a	DT
43297	707	31	place	place	NN
43297	707	32	where	where	WRB
43297	707	33	it	-PRON-	PRP
43297	707	34	can	can	MD
43297	707	35	be	be	VB
43297	707	36	deposited	deposit	VBN
43297	707	37	in	in	IN
43297	707	38	the	the	DT
43297	707	39	manner	manner	NN
43297	707	40	already	already	RB
43297	707	41	described	describe	VBN
43297	707	42	.	.	.
43297	708	1	Such	such	JJ
43297	708	2	precipitated	precipitate	VBN
43297	708	3	clays	clay	NNS
43297	708	4	need	need	VBP
43297	708	5	not	not	RB
43297	708	6	necessarily	necessarily	RB
43297	708	7	be	be	VB
43297	708	8	pure	pure	JJ
43297	708	9	,	,	,
43297	708	10	as	as	IN
43297	708	11	other	other	JJ
43297	708	12	substances	substance	NNS
43297	708	13	may	may	MD
43297	708	14	be	be	VB
43297	708	15	present	present	JJ
43297	708	16	in	in	IN
43297	708	17	colloidal	colloidal	JJ
43297	708	18	form	form	NN
43297	708	19	and	and	CC
43297	708	20	may	may	MD
43297	708	21	be	be	VB
43297	708	22	coagulated	coagulate	VBN
43297	708	23	at	at	IN
43297	708	24	the	the	DT
43297	708	25	same	same	JJ
43297	708	26	time	time	NN
43297	708	27	as	as	IN
43297	708	28	the	the	DT
43297	708	29	clay	clay	NN
43297	708	30	.	.	.
43297	709	1	In	in	IN
43297	709	2	addition	addition	NN
43297	709	3	to	to	IN
43297	709	4	these	these	DT
43297	709	5	,	,	,
43297	709	6	the	the	DT
43297	709	7	admixture	admixture	NN
43297	709	8	of	of	IN
43297	709	9	sand	sand	NN
43297	709	10	and	and	CC
43297	709	11	other	other	JJ
43297	709	12	minerals	mineral	NNS
43297	709	13	present	present	JJ
43297	709	14	in	in	IN
43297	709	15	suspension	suspension	NN
43297	709	16	in	in	IN
43297	709	17	the	the	DT
43297	709	18	solution	solution	NN
43297	709	19	may	may	MD
43297	709	20	become	become	VB
43297	709	21	mixed	mixed	JJ
43297	709	22	with	with	IN
43297	709	23	the	the	DT
43297	709	24	particles	particle	NNS
43297	709	25	during	during	IN
43297	709	26	coagulation	coagulation	NN
43297	709	27	and	and	CC
43297	709	28	be	be	VB
43297	709	29	deposited	deposit	VBN
43297	709	30	with	with	IN
43297	709	31	them	-PRON-	PRP
43297	709	32	.	.	.
43297	710	1	Clays	clay	NNS
43297	710	2	formed	form	VBN
43297	710	3	in	in	IN
43297	710	4	this	this	DT
43297	710	5	manner	manner	NN
43297	710	6	are	be	VBP
43297	710	7	extremely	extremely	RB
43297	710	8	difficult	difficult	JJ
43297	710	9	to	to	TO
43297	710	10	identify	identify	VB
43297	710	11	on	on	IN
43297	710	12	account	account	NN
43297	710	13	of	of	IN
43297	710	14	the	the	DT
43297	710	15	highly	highly	RB
43297	710	16	complex	complex	JJ
43297	710	17	nature	nature	NN
43297	710	18	of	of	IN
43297	710	19	the	the	DT
43297	710	20	reactions	reaction	NNS
43297	710	21	occurring	occur	VBG
43297	710	22	in	in	IN
43297	710	23	their	-PRON-	PRP$
43297	710	24	vicinity	vicinity	NN
43297	710	25	both	both	CC
43297	710	26	during	during	IN
43297	710	27	and	and	CC
43297	710	28	subsequent	subsequent	JJ
43297	710	29	to	to	IN
43297	710	30	their	-PRON-	PRP$
43297	710	31	formation	formation	NN
43297	710	32	.	.	.
43297	711	1	Re	Re	VBN
43297	711	2	-	-	JJ
43297	711	3	Deposited	deposit	VBN
43297	711	4	Clays	clay	NNS
43297	711	5	.	.	.
43297	712	1	Although	although	IN
43297	712	2	many	many	JJ
43297	712	3	clays	clay	NNS
43297	712	4	and	and	CC
43297	712	5	other	other	JJ
43297	712	6	materials	material	NNS
43297	712	7	have	have	VBP
43297	712	8	been	be	VBN
43297	712	9	transported	transport	VBN
43297	712	10	and	and	CC
43297	712	11	accumulated	accumulate	VBN
43297	712	12	in	in	IN
43297	712	13	the	the	DT
43297	712	14	manner	manner	NN
43297	712	15	described	describe	VBN
43297	712	16	,	,	,
43297	712	17	the	the	DT
43297	712	18	majority	majority	NN
43297	712	19	of	of	IN
43297	712	20	those	those	DT
43297	712	21	now	now	RB
43297	712	22	available	available	JJ
43297	712	23	have	have	VBP
43297	712	24	been	be	VBN
43297	712	25	subjected	subject	VBN
43297	712	26	to	to	IN
43297	712	27	repeated	repeat	VBN
43297	712	28	transportation	transportation	NN
43297	712	29	and	and	CC
43297	712	30	deposition	deposition	NN
43297	712	31	,	,	,
43297	712	32	owing	owe	VBG
43297	712	33	to	to	IN
43297	712	34	the	the	DT
43297	712	35	frequent	frequent	JJ
43297	712	36	and	and	CC
43297	712	37	enormous	enormous	JJ
43297	712	38	changes	change	NNS
43297	712	39	in	in	IN
43297	712	40	the	the	DT
43297	712	41	relative	relative	JJ
43297	712	42	levels	level	NNS
43297	712	43	of	of	IN
43297	712	44	land	land	NN
43297	712	45	and	and	CC
43297	712	46	water	water	NN
43297	712	47	during	during	IN
43297	712	48	the	the	DT
43297	712	49	various	various	JJ
43297	712	50	geological	geological	JJ
43297	712	51	epochs	epoch	NNS
43297	712	52	.	.	.
43297	713	1	So	so	RB
43297	713	2	far	far	RB
43297	713	3	as	as	IN
43297	713	4	can	can	MD
43297	713	5	be	be	VB
43297	713	6	ascertained	ascertain	VBN
43297	713	7	,	,	,
43297	713	8	it	-PRON-	PRP
43297	713	9	is	be	VBZ
43297	713	10	during	during	IN
43297	713	11	these	these	DT
43297	713	12	changes	change	NNS
43297	713	13	of	of	IN
43297	713	14	position	position	NN
43297	713	15	and	and	CC
43297	713	16	the	the	DT
43297	713	17	recurrent	recurrent	JJ
43297	713	18	exposure	exposure	NN
43297	713	19	to	to	IN
43297	713	20	air	air	NN
43297	713	21	and	and	CC
43297	713	22	to	to	IN
43297	713	23	water	water	VB
43297	713	24	containing	contain	VBG
43297	713	25	various	various	JJ
43297	713	26	substances	substance	NNS
43297	713	27	in	in	IN
43297	713	28	solution	solution	NN
43297	713	29	,	,	,
43297	713	30	together	together	RB
43297	713	31	with	with	IN
43297	713	32	the	the	DT
43297	713	33	almost	almost	RB
43297	713	34	incessant	incessant	JJ
43297	713	35	grinding	grinding	NN
43297	713	36	which	which	WDT
43297	713	37	took	take	VBD
43297	713	38	place	place	NN
43297	713	39	during	during	IN
43297	713	40	the	the	DT
43297	713	41	transportation	transportation	NN
43297	713	42	and	and	CC
43297	713	43	deposition	deposition	NN
43297	713	44	,	,	,
43297	713	45	that	that	IN
43297	713	46	most	most	JJS
43297	713	47	secondary	secondary	JJ
43297	713	48	clays	clay	NNS
43297	713	49	became	become	VBD
43297	713	50	plastic	plastic	JJ
43297	713	51	.	.	.
43297	714	1	If	if	IN
43297	714	2	this	this	DT
43297	714	3	is	be	VBZ
43297	714	4	the	the	DT
43297	714	5	case	case	NN
43297	714	6	,	,	,
43297	714	7	it	-PRON-	PRP
43297	714	8	explains	explain	VBZ
43297	714	9	the	the	DT
43297	714	10	impossibility	impossibility	NN
43297	714	11	of	of	IN
43297	714	12	increasing	increase	VBG
43297	714	13	the	the	DT
43297	714	14	plasticity	plasticity	NN
43297	714	15	of	of	IN
43297	714	16	clay	clay	NN
43297	714	17	by	by	IN
43297	714	18	artificial	artificial	JJ
43297	714	19	means	mean	NNS
43297	714	20	,	,	,
43297	714	21	at	at	IN
43297	714	22	any	any	DT
43297	714	23	rate	rate	NN
43297	714	24	on	on	IN
43297	714	25	a	a	DT
43297	714	26	large	large	JJ
43297	714	27	scale	scale	NN
43297	714	28	.	.	.
43297	715	1	The	the	DT
43297	715	2	simplest	simple	JJS
43297	715	3	of	of	IN
43297	715	4	the	the	DT
43297	715	5	agents	agent	NNS
43297	715	6	of	of	IN
43297	715	7	re	re	NN
43297	715	8	-	-	NN
43297	715	9	deposition	deposition	NN
43297	715	10	are	be	VBP
43297	715	11	rain	rain	NN
43297	715	12	-	-	HYPH
43297	715	13	storms	storm	NNS
43297	715	14	and	and	CC
43297	715	15	floods	flood	NNS
43297	715	16	which	which	WDT
43297	715	17	,	,	,
43297	715	18	forming	form	VBG
43297	715	19	suddenly	suddenly	RB
43297	715	20	,	,	,
43297	715	21	may	may	MD
43297	715	22	cause	cause	VB
43297	715	23	the	the	DT
43297	715	24	water	water	NN
43297	715	25	of	of	IN
43297	715	26	a	a	DT
43297	715	27	stream	stream	NN
43297	715	28	or	or	CC
43297	715	29	river	river	NN
43297	715	30	to	to	TO
43297	715	31	flow	flow	VB
43297	715	32	with	with	IN
43297	715	33	unwonted	unwonted	JJ
43297	715	34	velocity	velocity	NN
43297	715	35	and	and	CC
43297	715	36	so	so	RB
43297	715	37	carry	carry	VB
43297	715	38	away	away	RP
43297	715	39	previously	previously	RB
43297	715	40	formed	form	VBN
43297	715	41	deposits	deposit	NNS
43297	715	42	of	of	IN
43297	715	43	various	various	JJ
43297	715	44	kinds	kind	NNS
43297	715	45	.	.	.
43297	716	1	Clays	clay	NNS
43297	716	2	transported	transport	VBN
43297	716	3	in	in	IN
43297	716	4	this	this	DT
43297	716	5	way	way	NN
43297	716	6	are	be	VBP
43297	716	7	termed	term	VBN
43297	716	8	by	by	IN
43297	716	9	Ries	Ries	NNP
43297	716	10	(	(	-LRB-
43297	716	11	6	6	CD
43297	716	12	)	)	-RRB-
43297	716	13	_	_	NNP
43297	716	14	colluvial	colluvial	JJ
43297	716	15	_	_	NNP
43297	716	16	clays	clay	NNS
43297	716	17	,	,	,
43297	716	18	the	the	DT
43297	716	19	term	term	NN
43297	716	20	'	'	``
43297	716	21	diluvial	diluvial	NN
43297	716	22	'	'	''
43297	716	23	is	be	VBZ
43297	716	24	generally	generally	RB
43297	716	25	employed	employ	VBN
43297	716	26	in	in	IN
43297	716	27	this	this	DT
43297	716	28	country	country	NN
43297	716	29	.	.	.
43297	717	1	If	if	IN
43297	717	2	these	these	DT
43297	717	3	are	be	VBP
43297	717	4	derived	derive	VBN
43297	717	5	from	from	IN
43297	717	6	a	a	DT
43297	717	7	primary	primary	JJ
43297	717	8	clay	clay	NN
43297	717	9	which	which	WDT
43297	717	10	has	have	VBZ
43297	717	11	not	not	RB
43297	717	12	travelled	travel	VBN
43297	717	13	far	far	RB
43297	717	14	since	since	IN
43297	717	15	it	-PRON-	PRP
43297	717	16	left	leave	VBD
43297	717	17	the	the	DT
43297	717	18	original	original	JJ
43297	717	19	granite	granite	NN
43297	717	20	from	from	IN
43297	717	21	which	which	WDT
43297	717	22	it	-PRON-	PRP
43297	717	23	was	be	VBD
43297	717	24	formed	form	VBN
43297	717	25	,	,	,
43297	717	26	they	-PRON-	PRP
43297	717	27	will	will	MD
43297	717	28	usually	usually	RB
43297	717	29	be	be	VB
43297	717	30	white	white	JJ
43297	717	31	-	-	HYPH
43297	717	32	burning	burning	NN
43297	717	33	and	and	CC
43297	717	34	of	of	IN
43297	717	35	only	only	JJ
43297	717	36	slight	slight	JJ
43297	717	37	plasticity	plasticity	NN
43297	717	38	,	,	,
43297	717	39	but	but	CC
43297	717	40	if	if	IN
43297	717	41	the	the	DT
43297	717	42	flood	flood	NN
43297	717	43	affects	affect	VBZ
43297	717	44	materials	material	NNS
43297	717	45	which	which	WDT
43297	717	46	have	have	VBP
43297	717	47	already	already	RB
43297	717	48	been	be	VBN
43297	717	49	re	re	VBN
43297	717	50	-	-	VBN
43297	717	51	deposited	deposit	VBN
43297	717	52	several	several	JJ
43297	717	53	times	time	NNS
43297	717	54	,	,	,
43297	717	55	the	the	DT
43297	717	56	colluvial	colluvial	JJ
43297	717	57	clays	clay	NNS
43297	717	58	may	may	MD
43297	717	59	be	be	VB
43297	717	60	of	of	IN
43297	717	61	almost	almost	RB
43297	717	62	any	any	DT
43297	717	63	imaginable	imaginable	JJ
43297	717	64	composition	composition	NN
43297	717	65	.	.	.
43297	718	1	Floods	flood	NNS
43297	718	2	of	of	IN
43297	718	3	a	a	DT
43297	718	4	different	different	JJ
43297	718	5	character	character	NN
43297	718	6	--	--	.
43297	718	7	due	due	IN
43297	718	8	to	to	IN
43297	718	9	the	the	DT
43297	718	10	subsidence	subsidence	NN
43297	718	11	of	of	IN
43297	718	12	the	the	DT
43297	718	13	land	land	NN
43297	718	14	so	so	IN
43297	718	15	that	that	IN
43297	718	16	it	-PRON-	PRP
43297	718	17	is	be	VBZ
43297	718	18	partially	partially	RB
43297	718	19	covered	cover	VBN
43297	718	20	with	with	IN
43297	718	21	lake-	lake-	JJ
43297	718	22	or	or	CC
43297	718	23	sea	sea	NN
43297	718	24	-	-	HYPH
43297	718	25	water	water	NN
43297	718	26	,	,	,
43297	718	27	which	which	WDT
43297	718	28	beats	beat	VBZ
43297	718	29	on	on	IN
43297	718	30	its	-PRON-	PRP$
43297	718	31	shores	shore	NNS
43297	718	32	and	and	CC
43297	718	33	erodes	erode	VBZ
43297	718	34	it	-PRON-	PRP
43297	718	35	in	in	IN
43297	718	36	the	the	DT
43297	718	37	manner	manner	NN
43297	718	38	already	already	RB
43297	718	39	described	describe	VBN
43297	718	40	--	--	:
43297	718	41	are	be	VBP
43297	718	42	also	also	RB
43297	718	43	important	important	JJ
43297	718	44	factors	factor	NNS
43297	718	45	in	in	IN
43297	718	46	the	the	DT
43297	718	47	transportation	transportation	NN
43297	718	48	of	of	IN
43297	718	49	clays	clay	NNS
43297	718	50	.	.	.
43297	719	1	So	so	RB
43297	719	2	far	far	RB
43297	719	3	as	as	IN
43297	719	4	clays	clay	NNS
43297	719	5	are	be	VBP
43297	719	6	concerned	concern	VBN
43297	719	7	,	,	,
43297	719	8	the	the	DT
43297	719	9	action	action	NN
43297	719	10	of	of	IN
43297	719	11	the	the	DT
43297	719	12	sea	sea	NN
43297	719	13	is	be	VBZ
43297	719	14	both	both	CC
43297	719	15	erosive	erosive	JJ
43297	719	16	and	and	CC
43297	719	17	depository	depository	JJ
43297	719	18	,	,	,
43297	719	19	though	though	IN
43297	719	20	the	the	DT
43297	719	21	sedimentation	sedimentation	NN
43297	719	22	in	in	IN
43297	719	23	it	-PRON-	PRP
43297	719	24	being	be	VBG
43297	719	25	that	that	DT
43297	719	26	of	of	IN
43297	719	27	the	the	DT
43297	719	28	pelagic	pelagic	NN
43297	719	29	ooze	ooze	NN
43297	719	30	at	at	IN
43297	719	31	great	great	JJ
43297	719	32	depths	depth	NNS
43297	719	33	the	the	DT
43297	719	34	clayey	clayey	JJ
43297	719	35	material	material	NN
43297	719	36	is	be	VBZ
43297	719	37	quite	quite	RB
43297	719	38	inaccessible	inaccessible	JJ
43297	719	39	.	.	.
43297	720	1	Under	under	IN
43297	720	2	certain	certain	JJ
43297	720	3	conditions	condition	NNS
43297	720	4	,	,	,
43297	720	5	however	however	RB
43297	720	6	,	,	,
43297	720	7	the	the	DT
43297	720	8	sea	sea	NN
43297	720	9	may	may	MD
43297	720	10	erode	erode	VB
43297	720	11	land	land	NN
43297	720	12	in	in	IN
43297	720	13	one	one	CD
43297	720	14	area	area	NN
43297	720	15	and	and	CC
43297	720	16	may	may	MD
43297	720	17	return	return	VB
43297	720	18	the	the	DT
43297	720	19	transported	transport	VBN
43297	720	20	material	material	NN
43297	720	21	to	to	IN
43297	720	22	the	the	DT
43297	720	23	land	land	NN
43297	720	24	in	in	IN
43297	720	25	another	another	DT
43297	720	26	area	area	NN
43297	720	27	.	.	.
43297	721	1	The	the	DT
43297	721	2	diluvial	diluvial	JJ
43297	721	3	clay	clay	NN
43297	721	4	-	-	HYPH
43297	721	5	silt	silt	NN
43297	721	6	known	know	VBN
43297	721	7	as	as	IN
43297	721	8	_	_	NNP
43297	721	9	warp	warp	NN
43297	721	10	_	_	NNP
43297	721	11	in	in	IN
43297	721	12	the	the	DT
43297	721	13	valley	valley	NN
43297	721	14	of	of	IN
43297	721	15	the	the	DT
43297	721	16	Humber	Humber	NNP
43297	721	17	is	be	VBZ
43297	721	18	of	of	IN
43297	721	19	this	this	DT
43297	721	20	character	character	NN
43297	721	21	.	.	.
43297	722	1	Quite	quite	RB
43297	722	2	apart	apart	RB
43297	722	3	from	from	IN
43297	722	4	the	the	DT
43297	722	5	action	action	NN
43297	722	6	of	of	IN
43297	722	7	water	water	NN
43297	722	8	,	,	,
43297	722	9	however	however	RB
43297	722	10	,	,	,
43297	722	11	much	much	JJ
43297	722	12	denudation	denudation	NN
43297	722	13	,	,	,
43297	722	14	transportation	transportation	NN
43297	722	15	and	and	CC
43297	722	16	re	re	NN
43297	722	17	-	-	NN
43297	722	18	deposition	deposition	NN
43297	722	19	of	of	IN
43297	722	20	clays	clay	NNS
43297	722	21	and	and	CC
43297	722	22	associated	associate	VBN
43297	722	23	materials	material	NNS
43297	722	24	has	have	VBZ
43297	722	25	been	be	VBN
43297	722	26	due	due	JJ
43297	722	27	to	to	IN
43297	722	28	the	the	DT
43297	722	29	action	action	NN
43297	722	30	of	of	IN
43297	722	31	ice	ice	NN
43297	722	32	in	in	IN
43297	722	33	the	the	DT
43297	722	34	form	form	NN
43297	722	35	of	of	IN
43297	722	36	glaciers	glacier	NNS
43297	722	37	,	,	,
43297	722	38	though	though	IN
43297	722	39	these	these	DT
43297	722	40	do	do	VBP
43297	722	41	not	not	RB
43297	722	42	appear	appear	VB
43297	722	43	to	to	TO
43297	722	44	have	have	VB
43297	722	45	had	have	VBN
43297	722	46	much	much	JJ
43297	722	47	effect	effect	NN
43297	722	48	in	in	IN
43297	722	49	increasing	increase	VBG
43297	722	50	the	the	DT
43297	722	51	plasticity	plasticity	NN
43297	722	52	of	of	IN
43297	722	53	the	the	DT
43297	722	54	clays	clay	NNS
43297	722	55	concerned	concern	VBN
43297	722	56	.	.	.
43297	723	1	_	_	NNP
43297	723	2	Glacially	Glacially	NNP
43297	723	3	deposited	deposit	VBD
43297	723	4	clays	clay	NNS
43297	723	5	_	_	NNP
43297	723	6	are	be	VBP
43297	723	7	characterised	characterise	VBN
43297	723	8	by	by	IN
43297	723	9	their	-PRON-	PRP$
43297	723	10	heterogeneous	heterogeneous	JJ
43297	723	11	composition	composition	NN
43297	723	12	,	,	,
43297	723	13	some	some	DT
43297	723	14	of	of	IN
43297	723	15	them	-PRON-	PRP
43297	723	16	containing	contain	VBG
43297	723	17	far	far	RB
43297	723	18	more	more	JJR
43297	723	19	sand	sand	NN
43297	723	20	than	than	IN
43297	723	21	true	true	JJ
43297	723	22	clay	clay	NN
43297	723	23	,	,	,
43297	723	24	whilst	whilst	IN
43297	723	25	yet	yet	RB
43297	723	26	retaining	retain	VBG
43297	723	27	a	a	DT
43297	723	28	sufficient	sufficient	JJ
43297	723	29	amount	amount	NN
43297	723	30	of	of	IN
43297	723	31	plasticity	plasticity	NN
43297	723	32	to	to	TO
43297	723	33	enable	enable	VB
43297	723	34	them	-PRON-	PRP
43297	723	35	to	to	TO
43297	723	36	be	be	VB
43297	723	37	used	use	VBN
43297	723	38	for	for	IN
43297	723	39	rendering	render	VBG
43297	723	40	embankments	embankment	NNS
43297	723	41	impervious	impervious	JJ
43297	723	42	and	and	CC
43297	723	43	for	for	IN
43297	723	44	the	the	DT
43297	723	45	manufacture	manufacture	NN
43297	723	46	of	of	IN
43297	723	47	common	common	JJ
43297	723	48	bricks	brick	NNS
43297	723	49	,	,	,
43297	723	50	and	and	CC
43297	723	51	,	,	,
43297	723	52	occasionally	occasionally	RB
43297	723	53	,	,	,
43297	723	54	of	of	IN
43297	723	55	coarse	coarse	JJ
43297	723	56	pottery	pottery	NN
43297	723	57	;	;	:
43297	723	58	others	other	NNS
43297	723	59	contain	contain	VBP
43297	723	60	so	so	RB
43297	723	61	much	much	JJ
43297	723	62	sand	sand	NN
43297	723	63	as	as	IN
43297	723	64	to	to	TO
43297	723	65	be	be	VB
43297	723	66	useless	useless	JJ
43297	723	67	for	for	IN
43297	723	68	these	these	DT
43297	723	69	purposes	purpose	NNS
43297	723	70	.	.	.
43297	724	1	Most	Most	JJS
43297	724	2	glacial	glacial	JJ
43297	724	3	deposits	deposit	NNS
43297	724	4	contain	contain	VBP
43297	724	5	a	a	DT
43297	724	6	considerable	considerable	JJ
43297	724	7	proportion	proportion	NN
43297	724	8	of	of	IN
43297	724	9	stones	stone	NNS
43297	724	10	and	and	CC
43297	724	11	gravel	gravel	NN
43297	724	12	which	which	WDT
43297	724	13	must	must	MD
43297	724	14	be	be	VB
43297	724	15	removed	remove	VBN
43297	724	16	before	before	IN
43297	724	17	the	the	DT
43297	724	18	clay	clay	NN
43297	724	19	can	can	MD
43297	724	20	be	be	VB
43297	724	21	used	use	VBN
43297	724	22	.	.	.
43297	725	1	The	the	DT
43297	725	2	large	large	JJ
43297	725	3	proportion	proportion	NN
43297	725	4	of	of	IN
43297	725	5	adventitious	adventitious	JJ
43297	725	6	matter	matter	NN
43297	725	7	is	be	VBZ
43297	725	8	due	due	JJ
43297	725	9	in	in	IN
43297	725	10	great	great	JJ
43297	725	11	part	part	NN
43297	725	12	to	to	IN
43297	725	13	the	the	DT
43297	725	14	much	much	RB
43297	725	15	greater	great	JJR
43297	725	16	erosive	erosive	JJ
43297	725	17	force	force	NN
43297	725	18	and	and	CC
43297	725	19	carrying	carry	VBG
43297	725	20	power	power	NN
43297	725	21	of	of	IN
43297	725	22	ice	ice	NN
43297	725	23	as	as	IN
43297	725	24	compared	compare	VBN
43297	725	25	with	with	IN
43297	725	26	water	water	NN
43297	725	27	,	,	,
43297	725	28	resulting	result	VBG
43297	725	29	in	in	IN
43297	725	30	much	much	RB
43297	725	31	larger	large	JJR
43297	725	32	pieces	piece	NNS
43297	725	33	of	of	IN
43297	725	34	material	material	NN
43297	725	35	being	be	VBG
43297	725	36	carried	carry	VBN
43297	725	37	,	,	,
43297	725	38	and	and	CC
43297	725	39	as	as	IN
43297	725	40	the	the	DT
43297	725	41	whole	whole	NN
43297	725	42	of	of	IN
43297	725	43	the	the	DT
43297	725	44	ice	ice	NN
43297	725	45	-	-	HYPH
43297	725	46	borne	bear	VBN
43297	725	47	material	material	NN
43297	725	48	is	be	VBZ
43297	725	49	deposited	deposit	VBN
43297	725	50	almost	almost	RB
43297	725	51	simultaneously	simultaneously	RB
43297	725	52	when	when	WRB
43297	725	53	the	the	DT
43297	725	54	glacier	glacier	NN
43297	725	55	melts	melt	NNS
43297	725	56	,	,	,
43297	725	57	only	only	RB
43297	725	58	a	a	DT
43297	725	59	very	very	RB
43297	725	60	small	small	JJ
43297	725	61	amount	amount	NN
43297	725	62	of	of	IN
43297	725	63	separation	separation	NN
43297	725	64	of	of	IN
43297	725	65	the	the	DT
43297	725	66	material	material	NN
43297	725	67	into	into	IN
43297	725	68	different	different	JJ
43297	725	69	grades	grade	NNS
43297	725	70	takes	take	VBZ
43297	725	71	place	place	NN
43297	725	72	.	.	.
43297	726	1	The	the	DT
43297	726	2	comparative	comparative	JJ
43297	726	3	freedom	freedom	NN
43297	726	4	from	from	IN
43297	726	5	coarse	coarse	JJ
43297	726	6	sand	sand	NN
43297	726	7	of	of	IN
43297	726	8	some	some	DT
43297	726	9	glacial	glacial	JJ
43297	726	10	clays	clay	NNS
43297	726	11	shows	show	VBZ
43297	726	12	that	that	IN
43297	726	13	some	some	DT
43297	726	14	sorting	sorting	NN
43297	726	15	does	do	VBZ
43297	726	16	occur	occur	VB
43297	726	17	,	,	,
43297	726	18	but	but	CC
43297	726	19	it	-PRON-	PRP
43297	726	20	is	be	VBZ
43297	726	21	very	very	RB
43297	726	22	limited	limited	JJ
43297	726	23	in	in	IN
43297	726	24	extent	extent	NN
43297	726	25	as	as	IN
43297	726	26	compared	compare	VBN
43297	726	27	with	with	IN
43297	726	28	that	that	DT
43297	726	29	wrought	wrought	NN
43297	726	30	in	in	IN
43297	726	31	materials	material	NNS
43297	726	32	which	which	WDT
43297	726	33	have	have	VBP
43297	726	34	been	be	VBN
43297	726	35	exclusively	exclusively	RB
43297	726	36	transported	transport	VBN
43297	726	37	by	by	IN
43297	726	38	water	water	NN
43297	726	39	.	.	.
43297	727	1	For	for	IN
43297	727	2	the	the	DT
43297	727	3	manufacture	manufacture	NN
43297	727	4	of	of	IN
43297	727	5	bricks	brick	NNS
43297	727	6	,	,	,
43297	727	7	tiles	tile	NNS
43297	727	8	and	and	CC
43297	727	9	coarse	coarse	JJ
43297	727	10	pottery	pottery	NN
43297	727	11	in	in	IN
43297	727	12	Yorkshire	Yorkshire	NNP
43297	727	13	,	,	,
43297	727	14	Lancashire	Lancashire	NNP
43297	727	15	and	and	CC
43297	727	16	some	some	DT
43297	727	17	of	of	IN
43297	727	18	the	the	DT
43297	727	19	more	more	RBR
43297	727	20	northern	northern	JJ
43297	727	21	counties	county	NNS
43297	727	22	of	of	IN
43297	727	23	Great	Great	NNP
43297	727	24	Britain	Britain	NNP
43297	727	25	,	,	,
43297	727	26	glacially	glacially	RB
43297	727	27	deposited	deposit	VBN
43297	727	28	clays	clay	NNS
43297	727	29	are	be	VBP
43297	727	30	of	of	IN
43297	727	31	great	great	JJ
43297	727	32	importance	importance	NN
43297	727	33	in	in	IN
43297	727	34	spite	spite	NN
43297	727	35	of	of	IN
43297	727	36	their	-PRON-	PRP$
43297	727	37	irregular	irregular	JJ
43297	727	38	composition	composition	NN
43297	727	39	.	.	.
43297	728	1	They	-PRON-	PRP
43297	728	2	are	be	VBP
43297	728	3	frequently	frequently	RB
43297	728	4	termed	term	VBN
43297	728	5	'	'	''
43297	728	6	boulder	boulder	NN
43297	728	7	clays	clay	NNS
43297	728	8	'	'	''
43297	728	9	or	or	CC
43297	728	10	'	'	``
43297	728	11	drift	drift	NN
43297	728	12	clays	clay	NNS
43297	728	13	'	'	''
43297	728	14	(	(	-LRB-
43297	728	15	p.	p.	NN
43297	728	16	65	65	CD
43297	728	17	)	)	-RRB-
43297	728	18	,	,	,
43297	728	19	but	but	CC
43297	728	20	in	in	IN
43297	728	21	using	use	VBG
43297	728	22	these	these	DT
43297	728	23	or	or	CC
43297	728	24	any	any	DT
43297	728	25	other	other	JJ
43297	728	26	terms	term	NNS
43297	728	27	for	for	IN
43297	728	28	clays	clay	NNS
43297	728	29	transported	transport	VBN
43297	728	30	by	by	IN
43297	728	31	glacial	glacial	JJ
43297	728	32	action	action	NN
43297	728	33	it	-PRON-	PRP
43297	728	34	is	be	VBZ
43297	728	35	important	important	JJ
43297	728	36	that	that	IN
43297	728	37	they	-PRON-	PRP
43297	728	38	should	should	MD
43297	728	39	not	not	RB
43297	728	40	be	be	VB
43297	728	41	understood	understand	VBN
43297	728	42	to	to	TO
43297	728	43	refer	refer	VB
43297	728	44	to	to	IN
43297	728	45	the	the	DT
43297	728	46	whole	whole	NN
43297	728	47	of	of	IN
43297	728	48	the	the	DT
43297	728	49	deposited	deposited	JJ
43297	728	50	matter	matter	NN
43297	728	51	.	.	.
43297	729	1	Large	large	JJ
43297	729	2	'	'	``
43297	729	3	pockets	pocket	NNS
43297	729	4	'	'	''
43297	729	5	of	of	IN
43297	729	6	coarse	coarse	JJ
43297	729	7	sand	sand	NN
43297	729	8	and	and	CC
43297	729	9	gravel	gravel	NN
43297	729	10	frequently	frequently	RB
43297	729	11	occur	occur	VBP
43297	729	12	in	in	IN
43297	729	13	deposits	deposit	NNS
43297	729	14	of	of	IN
43297	729	15	this	this	DT
43297	729	16	character	character	NN
43297	729	17	and	and	CC
43297	729	18	veins	vein	NNS
43297	729	19	of	of	IN
43297	729	20	the	the	DT
43297	729	21	same	same	JJ
43297	729	22	materials	material	NNS
43297	729	23	are	be	VBP
43297	729	24	by	by	IN
43297	729	25	no	no	DT
43297	729	26	means	means	NN
43297	729	27	uncommon	uncommon	JJ
43297	729	28	.	.	.
43297	730	1	The	the	DT
43297	730	2	custom	custom	NN
43297	730	3	of	of	IN
43297	730	4	some	some	DT
43297	730	5	geologists	geologist	NNS
43297	730	6	of	of	IN
43297	730	7	referring	refer	VBG
43297	730	8	to	to	IN
43297	730	9	the	the	DT
43297	730	10	_	_	NNP
43297	730	11	whole	whole	JJ
43297	730	12	_	_	NNP
43297	730	13	of	of	IN
43297	730	14	a	a	DT
43297	730	15	glacial	glacial	JJ
43297	730	16	deposit	deposit	NN
43297	730	17	as	as	IN
43297	730	18	'	'	``
43297	730	19	boulder	boulder	NN
43297	730	20	clay	clay	NN
43297	730	21	'	'	''
43297	730	22	has	have	VBZ
43297	730	23	,	,	,
43297	730	24	in	in	IN
43297	730	25	a	a	DT
43297	730	26	number	number	NN
43297	730	27	of	of	IN
43297	730	28	cases	case	NNS
43297	730	29	,	,	,
43297	730	30	led	lead	VBD
43297	730	31	to	to	IN
43297	730	32	serious	serious	JJ
43297	730	33	financial	financial	JJ
43297	730	34	loss	loss	NN
43297	730	35	to	to	IN
43297	730	36	clayworkers	clayworker	NNS
43297	730	37	who	who	WP
43297	730	38	have	have	VBP
43297	730	39	erroneously	erroneously	RB
43297	730	40	assumed	assume	VBN
43297	730	41	that	that	IN
43297	730	42	,	,	,
43297	730	43	because	because	IN
43297	730	44	some	some	DT
43297	730	45	'	'	``
43297	730	46	boulder	boulder	NN
43297	730	47	clays	clay	NNS
43297	730	48	'	'	''
43297	730	49	are	be	VBP
43297	730	50	used	use	VBN
43297	730	51	for	for	IN
43297	730	52	brick	brick	NN
43297	730	53	and	and	CC
43297	730	54	tile	tile	NN
43297	730	55	manufacture	manufacture	NN
43297	730	56	,	,	,
43297	730	57	all	all	DT
43297	730	58	deposits	deposit	NNS
43297	730	59	bearing	bear	VBG
43297	730	60	a	a	DT
43297	730	61	similar	similar	JJ
43297	730	62	title	title	NN
43297	730	63	would	would	MD
43297	730	64	be	be	VB
43297	730	65	equally	equally	RB
43297	730	66	suitable	suitable	JJ
43297	730	67	.	.	.
43297	731	1	This	this	DT
43297	731	2	difficulty	difficulty	NN
43297	731	3	would	would	MD
43297	731	4	largely	largely	RB
43297	731	5	be	be	VB
43297	731	6	avoided	avoid	VBN
43297	731	7	if	if	IN
43297	731	8	,	,	,
43297	731	9	as	as	IN
43297	731	10	is	be	VBZ
43297	731	11	now	now	RB
43297	731	12	increasingly	increasingly	RB
43297	731	13	the	the	DT
43297	731	14	case	case	NN
43297	731	15	,	,	,
43297	731	16	the	the	DT
43297	731	17	term	term	NN
43297	731	18	'	'	``
43297	731	19	drift	drift	NN
43297	731	20	'	'	''
43297	731	21	or	or	CC
43297	731	22	'	'	``
43297	731	23	glacial	glacial	JJ
43297	731	24	deposit	deposit	NN
43297	731	25	'	'	''
43297	731	26	were	be	VBD
43297	731	27	used	use	VBN
43297	731	28	for	for	IN
43297	731	29	the	the	DT
43297	731	30	deposits	deposit	NNS
43297	731	31	as	as	IN
43297	731	32	a	a	DT
43297	731	33	whole	whole	NN
43297	731	34	,	,	,
43297	731	35	the	the	DT
43297	731	36	term	term	NN
43297	731	37	'	'	POS
43297	731	38	boulder	boulder	NN
43297	731	39	clay	clay	NN
43297	731	40	'	'	''
43297	731	41	being	be	VBG
43297	731	42	restricted	restrict	VBN
43297	731	43	to	to	IN
43297	731	44	the	the	DT
43297	731	45	plastic	plastic	JJ
43297	731	46	portions	portion	NNS
43297	731	47	and	and	CC
43297	731	48	not	not	RB
43297	731	49	including	include	VBG
43297	731	50	pockets	pocket	NNS
43297	731	51	of	of	IN
43297	731	52	sand	sand	NN
43297	731	53	,	,	,
43297	731	54	gravel	gravel	NN
43297	731	55	and	and	CC
43297	731	56	other	other	JJ
43297	731	57	non	non	JJ
43297	731	58	-	-	JJ
43297	731	59	plastic	plastic	JJ
43297	731	60	materials	material	NNS
43297	731	61	.	.	.
43297	732	1	_	_	NNP
43297	732	2	Boulder	Boulder	NNP
43297	732	3	clays_--using	clays_--use	VBG
43297	732	4	this	this	DT
43297	732	5	term	term	NN
43297	732	6	in	in	IN
43297	732	7	the	the	DT
43297	732	8	limited	limited	JJ
43297	732	9	sense	sense	NN
43297	732	10	just	just	RB
43297	732	11	mentioned	mention	VBD
43297	732	12	--	--	:
43297	732	13	consist	consist	VB
43297	732	14	of	of	IN
43297	732	15	variable	variable	JJ
43297	732	16	quantities	quantity	NNS
43297	732	17	of	of	IN
43297	732	18	sand	sand	NN
43297	732	19	and	and	CC
43297	732	20	clay	clay	NN
43297	732	21	,	,	,
43297	732	22	stones	stone	NNS
43297	732	23	and	and	CC
43297	732	24	gravel	gravel	NN
43297	732	25	being	being	NN
43297	732	26	generally	generally	RB
43297	732	27	associated	associate	VBN
43297	732	28	with	with	IN
43297	732	29	them	-PRON-	PRP
43297	732	30	.	.	.
43297	733	1	The	the	DT
43297	733	2	stones	stone	NNS
43297	733	3	may	may	MD
43297	733	4	usually	usually	RB
43297	733	5	be	be	VB
43297	733	6	removed	remove	VBN
43297	733	7	by	by	IN
43297	733	8	careful	careful	JJ
43297	733	9	picking	picking	NN
43297	733	10	,	,	,
43297	733	11	and	and	CC
43297	733	12	the	the	DT
43297	733	13	gravel	gravel	NN
43297	733	14	by	by	IN
43297	733	15	means	mean	NNS
43297	733	16	of	of	IN
43297	733	17	a	a	DT
43297	733	18	'	'	``
43297	733	19	clay	clay	NN
43297	733	20	cleaner	cleaner	NN
43297	733	21	'	'	''
43297	733	22	which	which	WDT
43297	733	23	forces	force	VBZ
43297	733	24	the	the	DT
43297	733	25	plastic	plastic	JJ
43297	733	26	material	material	NN
43297	733	27	through	through	IN
43297	733	28	apertures	aperture	NNS
43297	733	29	too	too	RB
43297	733	30	small	small	JJ
43297	733	31	to	to	TO
43297	733	32	allow	allow	VB
43297	733	33	the	the	DT
43297	733	34	gravel	gravel	NN
43297	733	35	to	to	TO
43297	733	36	pass	pass	VB
43297	733	37	.	.	.
43297	734	1	The	the	DT
43297	734	2	plastic	plastic	JJ
43297	734	3	material	material	NN
43297	734	4	so	so	RB
43297	734	5	separated	separated	JJ
43297	734	6	is	be	VBZ
43297	734	7	far	far	RB
43297	734	8	from	from	IN
43297	734	9	being	be	VBG
43297	734	10	a	a	DT
43297	734	11	pure	pure	JJ
43297	734	12	clay	clay	NN
43297	734	13	and	and	CC
43297	734	14	may	may	MD
43297	734	15	contain	contain	VB
43297	734	16	almost	almost	RB
43297	734	17	half	half	PDT
43297	734	18	its	-PRON-	PRP$
43297	734	19	weight	weight	NN
43297	734	20	of	of	IN
43297	734	21	sand	sand	NN
43297	734	22	,	,	,
43297	734	23	the	the	DT
43297	734	24	greater	great	JJR
43297	734	25	part	part	NN
43297	734	26	of	of	IN
43297	734	27	which	which	WDT
43297	734	28	is	be	VBZ
43297	734	29	readily	readily	RB
43297	734	30	separated	separate	VBN
43297	734	31	by	by	IN
43297	734	32	washing	wash	VBG
43297	734	33	the	the	DT
43297	734	34	material	material	NN
43297	734	35	.	.	.
43297	735	1	Boulder	boulder	NN
43297	735	2	clays	clay	NNS
43297	735	3	,	,	,
43297	735	4	when	when	WRB
43297	735	5	freed	free	VBN
43297	735	6	from	from	IN
43297	735	7	stones	stone	NNS
43297	735	8	and	and	CC
43297	735	9	gravel	gravel	NN
43297	735	10	,	,	,
43297	735	11	are	be	VBP
43297	735	12	sufficiently	sufficiently	RB
43297	735	13	plastic	plastic	JJ
43297	735	14	to	to	TO
43297	735	15	meet	meet	VB
43297	735	16	the	the	DT
43297	735	17	needs	need	NNS
43297	735	18	of	of	IN
43297	735	19	most	most	JJS
43297	735	20	users	user	NNS
43297	735	21	,	,	,
43297	735	22	without	without	IN
43297	735	23	being	be	VBG
43297	735	24	so	so	RB
43297	735	25	highly	highly	RB
43297	735	26	plastic	plastic	JJ
43297	735	27	and	and	CC
43297	735	28	contractile	contractile	NN
43297	735	29	as	as	IN
43297	735	30	to	to	TO
43297	735	31	necessitate	necessitate	VB
43297	735	32	admixture	admixture	NN
43297	735	33	with	with	IN
43297	735	34	sand	sand	NN
43297	735	35	or	or	CC
43297	735	36	similar	similar	JJ
43297	735	37	material	material	NN
43297	735	38	.	.	.
43297	736	1	Some	some	DT
43297	736	2	boulder	boulder	NN
43297	736	3	clays	clay	NNS
43297	736	4	contain	contain	VBP
43297	736	5	limestone	limestone	NN
43297	736	6	in	in	IN
43297	736	7	the	the	DT
43297	736	8	form	form	NN
43297	736	9	of	of	IN
43297	736	10	gravel	gravel	NN
43297	736	11	or	or	CC
43297	736	12	as	as	IN
43297	736	13	a	a	DT
43297	736	14	coarse	coarse	JJ
43297	736	15	powder	powder	NN
43297	736	16	produced	produce	VBN
43297	736	17	by	by	IN
43297	736	18	the	the	DT
43297	736	19	crushing	crushing	NN
43297	736	20	of	of	IN
43297	736	21	larger	large	JJR
43297	736	22	fragments	fragment	NNS
43297	736	23	.	.	.
43297	737	1	These	these	DT
43297	737	2	are	be	VBP
43297	737	3	less	less	RBR
43297	737	4	suitable	suitable	JJ
43297	737	5	for	for	IN
43297	737	6	manufacturing	manufacture	VBG
43297	737	7	purposes	purpose	NNS
43297	737	8	as	as	IN
43297	737	9	the	the	DT
43297	737	10	lime	lime	NN
43297	737	11	produced	produce	VBD
43297	737	12	when	when	WRB
43297	737	13	the	the	DT
43297	737	14	articles	article	NNS
43297	737	15	are	be	VBP
43297	737	16	burned	burn	VBN
43297	737	17	in	in	IN
43297	737	18	the	the	DT
43297	737	19	kilns	kiln	NNS
43297	737	20	is	be	VBZ
43297	737	21	liable	liable	JJ
43297	737	22	to	to	TO
43297	737	23	swell	swell	VB
43297	737	24	and	and	CC
43297	737	25	to	to	TO
43297	737	26	disintegrate	disintegrate	VB
43297	737	27	them	-PRON-	PRP
43297	737	28	on	on	IN
43297	737	29	exposure	exposure	NN
43297	737	30	.	.	.
43297	738	1	Owing	owe	VBG
43297	738	2	to	to	IN
43297	738	3	their	-PRON-	PRP$
43297	738	4	origin	origin	NN
43297	738	5	and	and	CC
43297	738	6	the	the	DT
43297	738	7	nature	nature	NN
43297	738	8	of	of	IN
43297	738	9	the	the	DT
43297	738	10	impurities	impurity	NNS
43297	738	11	they	-PRON-	PRP
43297	738	12	contain	contain	VBP
43297	738	13	,	,	,
43297	738	14	boulder	boulder	NN
43297	738	15	clays	clay	NNS
43297	738	16	are	be	VBP
43297	738	17	never	never	RB
43297	738	18	pure	pure	JJ
43297	738	19	and	and	CC
43297	738	20	when	when	WRB
43297	738	21	burned	burn	VBN
43297	738	22	are	be	VBP
43297	738	23	irregular	irregular	JJ
43297	738	24	in	in	IN
43297	738	25	colour	colour	NN
43297	738	26	and	and	CC
43297	738	27	somewhat	somewhat	RB
43297	738	28	fusible	fusible	JJ
43297	738	29	unless	unless	IN
43297	738	30	subjected	subject	VBN
43297	738	31	to	to	IN
43297	738	32	some	some	DT
43297	738	33	process	process	NN
43297	738	34	of	of	IN
43297	738	35	purification	purification	NN
43297	738	36	.	.	.
43297	739	1	CHAPTER	chapter	NN
43297	739	2	V	V	NNP
43297	739	3	SOME	some	NN
43297	739	4	CLAYS	clay	NNS
43297	739	5	OF	of	IN
43297	739	6	COMMERCIAL	commercial	JJ
43297	739	7	IMPORTANCE	importance	NN
43297	739	8	Although	although	IN
43297	739	9	clays	clay	NNS
43297	739	10	occur	occur	VBP
43297	739	11	in	in	IN
43297	739	12	deposits	deposit	NNS
43297	739	13	of	of	IN
43297	739	14	almost	almost	RB
43297	739	15	all	all	DT
43297	739	16	geological	geological	JJ
43297	739	17	periods	period	NNS
43297	739	18	,	,	,
43297	739	19	many	many	JJ
43297	739	20	of	of	IN
43297	739	21	them	-PRON-	PRP
43297	739	22	are	be	VBP
43297	739	23	of	of	IN
43297	739	24	little	little	JJ
43297	739	25	or	or	CC
43297	739	26	no	no	DT
43297	739	27	commercial	commercial	JJ
43297	739	28	value	value	NN
43297	739	29	.	.	.
43297	740	1	This	this	DT
43297	740	2	may	may	MD
43297	740	3	be	be	VB
43297	740	4	due	due	IN
43297	740	5	to	to	IN
43297	740	6	their	-PRON-	PRP$
43297	740	7	situation	situation	NN
43297	740	8	or	or	CC
43297	740	9	to	to	IN
43297	740	10	their	-PRON-	PRP$
43297	740	11	composition	composition	NN
43297	740	12	and	and	CC
43297	740	13	other	other	JJ
43297	740	14	characteristics	characteristic	NNS
43297	740	15	.	.	.
43297	741	1	Thus	thus	RB
43297	741	2	,	,	,
43297	741	3	a	a	DT
43297	741	4	Coal	Coal	NNP
43297	741	5	Measure	measure	NN
43297	741	6	clay	clay	NN
43297	741	7	is	be	VBZ
43297	741	8	ordinarily	ordinarily	RB
43297	741	9	quite	quite	RB
43297	741	10	inaccessible	inaccessible	JJ
43297	741	11	,	,	,
43297	741	12	and	and	CC
43297	741	13	to	to	TO
43297	741	14	sink	sink	VB
43297	741	15	a	a	DT
43297	741	16	shaft	shaft	NN
43297	741	17	specially	specially	RB
43297	741	18	to	to	TO
43297	741	19	obtain	obtain	VB
43297	741	20	it	-PRON-	PRP
43297	741	21	may	may	MD
43297	741	22	be	be	VB
43297	741	23	an	an	DT
43297	741	24	unprofitable	unprofitable	JJ
43297	741	25	undertaking	undertaking	NN
43297	741	26	;	;	:
43297	741	27	if	if	IN
43297	741	28	,	,	,
43297	741	29	however	however	RB
43297	741	30	,	,	,
43297	741	31	a	a	DT
43297	741	32	shaft	shaft	NN
43297	741	33	is	be	VBZ
43297	741	34	sunk	sink	VBN
43297	741	35	for	for	IN
43297	741	36	coal	coal	NN
43297	741	37	the	the	DT
43297	741	38	clays	clay	NNS
43297	741	39	in	in	IN
43297	741	40	the	the	DT
43297	741	41	neighbourhood	neighbourhood	NN
43297	741	42	of	of	IN
43297	741	43	the	the	DT
43297	741	44	coal	coal	NN
43297	741	45	seams	seam	NNS
43297	741	46	are	be	VBP
43297	741	47	rendered	render	VBN
43297	741	48	accessible	accessible	JJ
43297	741	49	and	and	CC
43297	741	50	,	,	,
43297	741	51	usually	usually	RB
43297	741	52	,	,	,
43297	741	53	a	a	DT
43297	741	54	certain	certain	JJ
43297	741	55	amount	amount	NN
43297	741	56	of	of	IN
43297	741	57	such	such	JJ
43297	741	58	clays	clay	NNS
43297	741	59	is	be	VBZ
43297	741	60	brought	bring	VBN
43297	741	61	to	to	IN
43297	741	62	the	the	DT
43297	741	63	surface	surface	NN
43297	741	64	in	in	IN
43297	741	65	order	order	NN
43297	741	66	to	to	TO
43297	741	67	remove	remove	VB
43297	741	68	it	-PRON-	PRP
43297	741	69	out	out	IN
43297	741	70	of	of	IN
43297	741	71	the	the	DT
43297	741	72	way	way	NN
43297	741	73	of	of	IN
43297	741	74	the	the	DT
43297	741	75	coal	coal	NN
43297	741	76	miners	miner	NNS
43297	741	77	.	.	.
43297	742	1	Again	again	RB
43297	742	2	,	,	,
43297	742	3	a	a	DT
43297	742	4	clay	clay	NN
43297	742	5	deposit	deposit	NN
43297	742	6	may	may	MD
43297	742	7	be	be	VB
43297	742	8	so	so	RB
43297	742	9	far	far	RB
43297	742	10	removed	remove	VBN
43297	742	11	from	from	IN
43297	742	12	human	human	JJ
43297	742	13	habitations	habitation	NNS
43297	742	14	as	as	IN
43297	742	15	to	to	TO
43297	742	16	make	make	VB
43297	742	17	it	-PRON-	PRP
43297	742	18	practically	practically	RB
43297	742	19	valueless	valueless	VB
43297	742	20	,	,	,
43297	742	21	but	but	CC
43297	742	22	if	if	IN
43297	742	23	,	,	,
43297	742	24	for	for	IN
43297	742	25	any	any	DT
43297	742	26	reason	reason	NN
43297	742	27	,	,	,
43297	742	28	the	the	DT
43297	742	29	population	population	NN
43297	742	30	of	of	IN
43297	742	31	the	the	DT
43297	742	32	district	district	NN
43297	742	33	in	in	IN
43297	742	34	which	which	WDT
43297	742	35	the	the	DT
43297	742	36	clay	clay	NN
43297	742	37	is	be	VBZ
43297	742	38	situated	situate	VBN
43297	742	39	grows	grow	VBZ
43297	742	40	sufficiently	sufficiently	RB
43297	742	41	,	,	,
43297	742	42	the	the	DT
43297	742	43	clay	clay	NN
43297	742	44	may	may	MD
43297	742	45	become	become	VB
43297	742	46	of	of	IN
43297	742	47	considerable	considerable	JJ
43297	742	48	value	value	NN
43297	742	49	.	.	.
43297	743	1	It	-PRON-	PRP
43297	743	2	not	not	RB
43297	743	3	infrequently	infrequently	RB
43297	743	4	happens	happen	VBZ
43297	743	5	,	,	,
43297	743	6	therefore	therefore	RB
43297	743	7	,	,	,
43297	743	8	that	that	IN
43297	743	9	the	the	DT
43297	743	10	commercial	commercial	JJ
43297	743	11	importance	importance	NN
43297	743	12	of	of	IN
43297	743	13	a	a	DT
43297	743	14	clay	clay	NN
43297	743	15	deposit	deposit	NN
43297	743	16	is	be	VBZ
43297	743	17	one	one	CD
43297	743	18	which	which	WDT
43297	743	19	fluctuates	fluctuate	VBZ
43297	743	20	considerably	considerably	RB
43297	743	21	,	,	,
43297	743	22	yet	yet	RB
43297	743	23	,	,	,
43297	743	24	in	in	IN
43297	743	25	spite	spite	NN
43297	743	26	of	of	IN
43297	743	27	this	this	DT
43297	743	28	fact	fact	NN
43297	743	29	,	,	,
43297	743	30	there	there	EX
43297	743	31	are	be	VBP
43297	743	32	certain	certain	JJ
43297	743	33	kinds	kind	NNS
43297	743	34	of	of	IN
43297	743	35	clay	clay	NN
43297	743	36	which	which	WDT
43297	743	37	are	be	VBP
43297	743	38	nearly	nearly	RB
43297	743	39	always	always	RB
43297	743	40	of	of	IN
43297	743	41	some	some	DT
43297	743	42	commercial	commercial	JJ
43297	743	43	value	value	NN
43297	743	44	.	.	.
43297	744	1	The	the	DT
43297	744	2	most	most	RBS
43297	744	3	important	important	JJ
43297	744	4	of	of	IN
43297	744	5	these	these	DT
43297	744	6	are	be	VBP
43297	744	7	the	the	DT
43297	744	8	kaolins	kaolin	NNS
43297	744	9	(	(	-LRB-
43297	744	10	china	china	NNP
43297	744	11	clays	clays	NNP
43297	744	12	)	)	-RRB-
43297	744	13	,	,	,
43297	744	14	the	the	DT
43297	744	15	pottery	pottery	NN
43297	744	16	and	and	CC
43297	744	17	stoneware	stoneware	NN
43297	744	18	clays	clay	NNS
43297	744	19	,	,	,
43297	744	20	the	the	DT
43297	744	21	refractory	refractory	JJ
43297	744	22	clays	clay	NNS
43297	744	23	(	(	-LRB-
43297	744	24	fireclays	fireclays	NNP
43297	744	25	)	)	-RRB-
43297	744	26	,	,	,
43297	744	27	the	the	DT
43297	744	28	brick	brick	NN
43297	744	29	and	and	CC
43297	744	30	terra	terra	NN
43297	744	31	-	-	HYPH
43297	744	32	cotta	cotta	NNP
43297	744	33	clays	clay	NNS
43297	744	34	and	and	CC
43297	744	35	shales	shale	NNS
43297	744	36	,	,	,
43297	744	37	and	and	CC
43297	744	38	the	the	DT
43297	744	39	clays	clay	NNS
43297	744	40	used	use	VBN
43297	744	41	in	in	IN
43297	744	42	the	the	DT
43297	744	43	manufacture	manufacture	NN
43297	744	44	of	of	IN
43297	744	45	Portland	Portland	NNP
43297	744	46	cement	cement	NN
43297	744	47	.	.	.
43297	745	1	The	the	DT
43297	745	2	origin	origin	NN
43297	745	3	and	and	CC
43297	745	4	manner	manner	NN
43297	745	5	in	in	IN
43297	745	6	which	which	WDT
43297	745	7	these	these	DT
43297	745	8	clays	clay	NNS
43297	745	9	have	have	VBP
43297	745	10	been	be	VBN
43297	745	11	accumulated	accumulate	VBN
43297	745	12	have	have	VBP
43297	745	13	been	be	VBN
43297	745	14	described	describe	VBN
43297	745	15	in	in	IN
43297	745	16	the	the	DT
43297	745	17	previous	previous	JJ
43297	745	18	chapters	chapter	NNS
43297	745	19	;	;	:
43297	745	20	it	-PRON-	PRP
43297	745	21	now	now	RB
43297	745	22	remains	remain	VBZ
43297	745	23	to	to	TO
43297	745	24	indicate	indicate	VB
43297	745	25	their	-PRON-	PRP$
43297	745	26	characteristics	characteristic	NNS
43297	745	27	from	from	IN
43297	745	28	the	the	DT
43297	745	29	point	point	NN
43297	745	30	of	of	IN
43297	745	31	view	view	NN
43297	745	32	of	of	IN
43297	745	33	their	-PRON-	PRP$
43297	745	34	commercial	commercial	JJ
43297	745	35	value	value	NN
43297	745	36	.	.	.
43297	746	1	=	=	NFP
43297	746	2	Commercial	commercial	JJ
43297	746	3	china	china	NNP
43297	746	4	clays	clay	NNS
43297	746	5	and	and	CC
43297	746	6	kaolins=	kaolins=	VBN
43297	746	7	in	in	IN
43297	746	8	the	the	DT
43297	746	9	United	United	NNP
43297	746	10	Kingdom	Kingdom	NNP
43297	746	11	are	be	VBP
43297	746	12	not	not	RB
43297	746	13	simple	simple	JJ
43297	746	14	natural	natural	JJ
43297	746	15	products	product	NNS
43297	746	16	but	but	CC
43297	746	17	,	,	,
43297	746	18	in	in	IN
43297	746	19	the	the	DT
43297	746	20	state	state	NN
43297	746	21	in	in	IN
43297	746	22	which	which	WDT
43297	746	23	they	-PRON-	PRP
43297	746	24	are	be	VBP
43297	746	25	sold	sell	VBN
43297	746	26	commercially	commercially	RB
43297	746	27	,	,	,
43297	746	28	have	have	VBP
43297	746	29	all	all	DT
43297	746	30	been	be	VBN
43297	746	31	subjected	subject	VBN
43297	746	32	to	to	IN
43297	746	33	a	a	DT
43297	746	34	careful	careful	JJ
43297	746	35	treatment	treatment	NN
43297	746	36	with	with	IN
43297	746	37	water	water	NN
43297	746	38	,	,	,
43297	746	39	followed	follow	VBN
43297	746	40	by	by	IN
43297	746	41	a	a	DT
43297	746	42	process	process	NN
43297	746	43	of	of	IN
43297	746	44	sedimentation	sedimentation	NN
43297	746	45	whereby	whereby	WRB
43297	746	46	the	the	DT
43297	746	47	bulk	bulk	NN
43297	746	48	of	of	IN
43297	746	49	the	the	DT
43297	746	50	impurities	impurity	NNS
43297	746	51	have	have	VBP
43297	746	52	been	be	VBN
43297	746	53	removed	remove	VBN
43297	746	54	.	.	.
43297	747	1	According	accord	VBG
43297	747	2	to	to	IN
43297	747	3	the	the	DT
43297	747	4	extent	extent	NN
43297	747	5	to	to	TO
43297	747	6	which	which	WDT
43297	747	7	this	this	DT
43297	747	8	treatment	treatment	NN
43297	747	9	has	have	VBZ
43297	747	10	been	be	VBN
43297	747	11	carried	carry	VBN
43297	747	12	out	out	RP
43297	747	13	,	,	,
43297	747	14	they	-PRON-	PRP
43297	747	15	will	will	MD
43297	747	16	contain	contain	VB
43297	747	17	10	10	CD
43297	747	18	per	per	NN
43297	747	19	cent	cent	NN
43297	747	20	.	.	.
43297	748	1	or	or	CC
43297	748	2	more	more	JJR
43297	748	3	mica	mica	NNP
43297	748	4	and	and	CC
43297	748	5	quartz	quartz	NNP
43297	748	6	,	,	,
43297	748	7	with	with	IN
43297	748	8	little	little	JJ
43297	748	9	or	or	CC
43297	748	10	no	no	DT
43297	748	11	tourmaline	tourmaline	NN
43297	748	12	,	,	,
43297	748	13	felspar	felspar	NNS
43297	748	14	and	and	CC
43297	748	15	undecomposed	undecomposed	JJ
43297	748	16	granite	granite	NN
43297	748	17	.	.	.
43297	749	1	In	in	IN
43297	749	2	some	some	DT
43297	749	3	parts	part	NNS
43297	749	4	of	of	IN
43297	749	5	Europe	Europe	NNP
43297	749	6	and	and	CC
43297	749	7	America	America	NNP
43297	749	8	,	,	,
43297	749	9	kaolins	kaolin	NNS
43297	749	10	are	be	VBP
43297	749	11	found	find	VBN
43297	749	12	in	in	IN
43297	749	13	a	a	DT
43297	749	14	state	state	NN
43297	749	15	of	of	IN
43297	749	16	sufficient	sufficient	JJ
43297	749	17	purity	purity	NN
43297	749	18	to	to	TO
43297	749	19	need	need	VB
43297	749	20	no	no	DT
43297	749	21	treatment	treatment	NN
43297	749	22	of	of	IN
43297	749	23	this	this	DT
43297	749	24	kind	kind	NN
43297	749	25	unless	unless	IN
43297	749	26	they	-PRON-	PRP
43297	749	27	are	be	VBP
43297	749	28	to	to	TO
43297	749	29	be	be	VB
43297	749	30	used	use	VBN
43297	749	31	for	for	IN
43297	749	32	the	the	DT
43297	749	33	very	very	RB
43297	749	34	highest	high	JJS
43297	749	35	class	class	NN
43297	749	36	of	of	IN
43297	749	37	wares	ware	NNS
43297	749	38	.	.	.
43297	750	1	[	[	-LRB-
43297	750	2	Illustration	illustration	NN
43297	750	3	:	:	:
43297	750	4	_	_	NNP
43297	750	5	Magnified	Magnified	NNP
43297	750	6	220	220	CD
43297	750	7	Diameters	Diameters	NNPS
43297	750	8	_	_	NNP
43297	750	9	_	_	NNP
43297	750	10	Magnified	Magnified	NNP
43297	750	11	920	920	CD
43297	750	12	Diameters	Diameters	NNPS
43297	750	13	_	_	NNP
43297	750	14	_	_	NNP
43297	750	15	Magnified	Magnified	NNP
43297	750	16	220	220	CD
43297	750	17	Diameters	Diameters	NNPS
43297	750	18	_	_	NNP
43297	750	19	_	_	NNP
43297	750	20	Magnified	Magnified	NNP
43297	750	21	220	220	CD
43297	750	22	Diameters	Diameters	NNPS
43297	750	23	_	_	NNP
43297	750	24	Crystals	Crystals	NNPS
43297	750	25	of	of	IN
43297	750	26	Kaolinite	Kaolinite	NNP
43297	750	27	_	_	NNP
43297	750	28	Magnified	Magnified	NNP
43297	750	29	920	920	CD
43297	750	30	Diameters	Diameters	NNPS
43297	750	31	_	_	NNP
43297	750	32	Crystals	Crystals	NNPS
43297	750	33	of	of	IN
43297	750	34	Secondary	Secondary	NNP
43297	750	35	Muscovite	Muscovite	NNP
43297	750	36	.	.	.
43297	751	1	Fig	fig	NN
43297	751	2	.	.	.
43297	752	1	17	17	CD
43297	752	2	.	.	.
43297	753	1	Kaolinite	Kaolinite	NNP
43297	753	2	and	and	CC
43297	753	3	Mica	Mica	NNP
43297	753	4	.	.	.
43297	754	1	(	(	-LRB-
43297	754	2	_	_	NNP
43297	754	3	After	after	IN
43297	754	4	G.	G.	NNP
43297	754	5	Hickling	Hickling	NNP
43297	754	6	_	_	NNP
43297	754	7	(	(	-LRB-
43297	754	8	36	36	CD
43297	754	9	)	)	-RRB-
43297	754	10	.	.	.
43297	754	11	)	)	-RRB-
43297	754	12	]	]	-RRB-
43297	755	1	Mica	Mica	NNP
43297	755	2	is	be	VBZ
43297	755	3	usually	usually	RB
43297	755	4	the	the	DT
43297	755	5	chief	chief	JJ
43297	755	6	impurity	impurity	NN
43297	755	7	as	as	IN
43297	755	8	its	-PRON-	PRP$
43297	755	9	particles	particle	NNS
43297	755	10	are	be	VBP
43297	755	11	so	so	RB
43297	755	12	small	small	JJ
43297	755	13	and	and	CC
43297	755	14	their	-PRON-	PRP$
43297	755	15	density	density	NN
43297	755	16	resembles	resemble	VBZ
43297	755	17	that	that	DT
43297	755	18	of	of	IN
43297	755	19	the	the	DT
43297	755	20	purified	purified	NNP
43297	755	21	china	china	NNP
43297	755	22	clay	clay	NN
43297	755	23	more	more	RBR
43297	755	24	closely	closely	RB
43297	755	25	than	than	IN
43297	755	26	do	do	VB
43297	755	27	the	the	DT
43297	755	28	other	other	JJ
43297	755	29	minerals	mineral	NNS
43297	755	30	.	.	.
43297	756	1	In	in	IN
43297	756	2	commerce	commerce	NN
43297	756	3	the	the	DT
43297	756	4	term	term	NN
43297	756	5	_	_	NNP
43297	756	6	china	china	NNP
43297	756	7	clay	clay	NNP
43297	756	8	_	_	NNP
43297	756	9	is	be	VBZ
43297	756	10	almost	almost	RB
43297	756	11	invariably	invariably	RB
43297	756	12	used	use	VBN
43297	756	13	to	to	TO
43297	756	14	denote	denote	VB
43297	756	15	the	the	DT
43297	756	16	washed	wash	VBN
43297	756	17	material	material	NN
43297	756	18	obtained	obtain	VBN
43297	756	19	from	from	IN
43297	756	20	the	the	DT
43297	756	21	'	'	``
43297	756	22	china	china	NNP
43297	756	23	clay	clay	NNP
43297	756	24	rock	rock	NNP
43297	756	25	,	,	,
43297	756	26	'	'	''
43297	756	27	but	but	CC
43297	756	28	at	at	IN
43297	756	29	the	the	DT
43297	756	30	pits	pit	NNS
43297	756	31	the	the	DT
43297	756	32	word	word	NN
43297	756	33	'	'	``
43297	756	34	clay	clay	NN
43297	756	35	'	'	''
43297	756	36	is	be	VBZ
43297	756	37	used	use	VBN
43297	756	38	indiscriminately	indiscriminately	RB
43297	756	39	for	for	IN
43297	756	40	the	the	DT
43297	756	41	carclazite	carclazite	JJ
43297	756	42	(	(	-LRB-
43297	756	43	p.	p.	NN
43297	756	44	78	78	CD
43297	756	45	)	)	-RRB-
43297	756	46	and	and	CC
43297	756	47	for	for	IN
43297	756	48	the	the	DT
43297	756	49	material	material	NN
43297	756	50	obtained	obtain	VBN
43297	756	51	from	from	IN
43297	756	52	it	-PRON-	PRP
43297	756	53	.	.	.
43297	757	1	As	as	IN
43297	757	2	the	the	DT
43297	757	3	term	term	NN
43297	757	4	'	'	``
43297	757	5	kaolin	kaolin	NN
43297	757	6	'	'	''
43297	757	7	is	be	VBZ
43297	757	8	used	use	VBN
43297	757	9	indifferently	indifferently	RB
43297	757	10	abroad	abroad	RB
43297	757	11	for	for	IN
43297	757	12	the	the	DT
43297	757	13	crude	crude	JJ
43297	757	14	'	'	``
43297	757	15	deposit	deposit	NN
43297	757	16	'	'	''
43297	757	17	and	and	CC
43297	757	18	for	for	IN
43297	757	19	the	the	DT
43297	757	20	purified	purified	JJ
43297	757	21	commercial	commercial	JJ
43297	757	22	article	article	NN
43297	757	23	,	,	,
43297	757	24	it	-PRON-	PRP
43297	757	25	should	should	MD
43297	757	26	be	be	VB
43297	757	27	understood	understand	VBN
43297	757	28	that	that	IN
43297	757	29	the	the	DT
43297	757	30	following	follow	VBG
43297	757	31	information	information	NN
43297	757	32	relates	relate	VBZ
43297	757	33	solely	solely	RB
43297	757	34	to	to	IN
43297	757	35	the	the	DT
43297	757	36	substance	substance	NN
43297	757	37	as	as	IN
43297	757	38	usually	usually	RB
43297	757	39	sold	sell	VBN
43297	757	40	and	and	CC
43297	757	41	not	not	RB
43297	757	42	to	to	IN
43297	757	43	the	the	DT
43297	757	44	crude	crude	JJ
43297	757	45	material	material	NN
43297	757	46	.	.	.
43297	758	1	Commercial	Commercial	NNP
43297	758	2	china	china	NNP
43297	758	3	clay	clay	NNP
43297	758	4	or	or	CC
43297	758	5	kaolin	kaolin	NNP
43297	758	6	is	be	VBZ
43297	758	7	a	a	DT
43297	758	8	soft	soft	JJ
43297	758	9	white	white	JJ
43297	758	10	or	or	CC
43297	758	11	faintly	faintly	RB
43297	758	12	yellowish	yellowish	JJ
43297	758	13	substance	substance	NN
43297	758	14	,	,	,
43297	758	15	easily	easily	RB
43297	758	16	reduced	reduce	VBN
43297	758	17	to	to	IN
43297	758	18	an	an	DT
43297	758	19	extremely	extremely	RB
43297	758	20	fine	fine	JJ
43297	758	21	powder	powder	NN
43297	758	22	,	,	,
43297	758	23	which	which	WDT
43297	758	24	when	when	WRB
43297	758	25	mixed	mix	VBN
43297	758	26	with	with	IN
43297	758	27	twice	twice	PDT
43297	758	28	its	-PRON-	PRP$
43297	758	29	weight	weight	NN
43297	758	30	of	of	IN
43297	758	31	water	water	NN
43297	758	32	will	will	MD
43297	758	33	pass	pass	VB
43297	758	34	completely	completely	RB
43297	758	35	through	through	IN
43297	758	36	a	a	DT
43297	758	37	No	no	NN
43297	758	38	.	.	.
43297	759	1	200	200	CD
43297	759	2	sieve	sieve	NN
43297	759	3	.	.	.
43297	760	1	Its	-PRON-	PRP$
43297	760	2	specific	specific	JJ
43297	760	3	gravity	gravity	NN
43297	760	4	is	be	VBZ
43297	760	5	2·65	2·65	CD
43297	760	6	,	,	,
43297	760	7	but	but	CC
43297	760	8	the	the	DT
43297	760	9	minuteness	minuteness	NN
43297	760	10	and	and	CC
43297	760	11	nature	nature	NN
43297	760	12	of	of	IN
43297	760	13	its	-PRON-	PRP$
43297	760	14	smallest	small	JJS
43297	760	15	particles	particle	NNS
43297	760	16	and	and	CC
43297	760	17	their	-PRON-	PRP$
43297	760	18	character	character	NN
43297	760	19	are	be	VBP
43297	760	20	such	such	JJ
43297	760	21	that	that	IN
43297	760	22	it	-PRON-	PRP
43297	760	23	will	will	MD
43297	760	24	remain	remain	VB
43297	760	25	in	in	IN
43297	760	26	suspension	suspension	NN
43297	760	27	in	in	IN
43297	760	28	water	water	NN
43297	760	29	for	for	IN
43297	760	30	several	several	JJ
43297	760	31	days	day	NNS
43297	760	32	;	;	:
43297	760	33	it	-PRON-	PRP
43297	760	34	thus	thus	RB
43297	760	35	appears	appear	VBZ
43297	760	36	to	to	TO
43297	760	37	possess	possess	VB
43297	760	38	colloidal	colloidal	JJ
43297	760	39	properties	property	NNS
43297	760	40	,	,	,
43297	760	41	at	at	IN
43297	760	42	any	any	DT
43297	760	43	rate	rate	NN
43297	760	44	so	so	RB
43297	760	45	far	far	RB
43297	760	46	as	as	IN
43297	760	47	the	the	DT
43297	760	48	smaller	small	JJR
43297	760	49	particles	particle	NNS
43297	760	50	are	be	VBP
43297	760	51	concerned	concern	VBN
43297	760	52	.	.	.
43297	761	1	It	-PRON-	PRP
43297	761	2	is	be	VBZ
43297	761	3	almost	almost	RB
43297	761	4	infusible	infusible	JJ
43297	761	5	,	,	,
43297	761	6	but	but	CC
43297	761	7	shows	show	VBZ
43297	761	8	signs	sign	NNS
43297	761	9	of	of	IN
43297	761	10	softening	soften	VBG
43297	761	11	at	at	IN
43297	761	12	1880	1880	CD
43297	761	13	°	°	,
43297	761	14	C.	C.	NNP
43297	761	15	(	(	-LRB-
43297	761	16	Seger	Seger	NNP
43297	761	17	Cone	Cone	NNP
43297	761	18	39	39	CD
43297	761	19	)	)	-RRB-
43297	761	20	or	or	CC
43297	761	21	at	at	IN
43297	761	22	a	a	DT
43297	761	23	somewhat	somewhat	RB
43297	761	24	lower	low	JJR
43297	761	25	temperature	temperature	NN
43297	761	26	,	,	,
43297	761	27	according	accord	VBG
43297	761	28	to	to	IN
43297	761	29	the	the	DT
43297	761	30	proportion	proportion	NN
43297	761	31	of	of	IN
43297	761	32	impurities	impurity	NNS
43297	761	33	present	present	JJ
43297	761	34	.	.	.
43297	762	1	When	when	WRB
43297	762	2	heated	heat	VBN
43297	762	3	with	with	IN
43297	762	4	silica	silica	NN
43297	762	5	or	or	CC
43297	762	6	with	with	IN
43297	762	7	various	various	JJ
43297	762	8	metallic	metallic	JJ
43297	762	9	oxides	oxide	NNS
43297	762	10	it	-PRON-	PRP
43297	762	11	fuses	fuse	VBZ
43297	762	12	more	more	RBR
43297	762	13	readily	readily	RB
43297	762	14	owing	owe	VBG
43297	762	15	to	to	IN
43297	762	16	the	the	DT
43297	762	17	formation	formation	NN
43297	762	18	of	of	IN
43297	762	19	silicates	silicate	NNS
43297	762	20	.	.	.
43297	763	1	China	China	NNP
43297	763	2	clays	clay	NNS
43297	763	3	and	and	CC
43297	763	4	kaolins	kaolin	NNS
43297	763	5	are	be	VBP
43297	763	6	not	not	RB
43297	763	7	appreciably	appreciably	RB
43297	763	8	affected	affect	VBN
43297	763	9	by	by	IN
43297	763	10	dilute	dilute	NN
43297	763	11	acids	acid	NNS
43297	763	12	,	,	,
43297	763	13	but	but	CC
43297	763	14	some	some	DT
43297	763	15	specimens	specimen	NNS
43297	763	16	are	be	VBP
43297	763	17	partially	partially	RB
43297	763	18	decomposed	decompose	VBN
43297	763	19	by	by	IN
43297	763	20	boiling	boil	VBG
43297	763	21	concentrated	concentrated	JJ
43297	763	22	hydrochloric	hydrochloric	JJ
43297	763	23	acid	acid	NN
43297	763	24	(	(	-LRB-
43297	763	25	26	26	CD
43297	763	26	)	)	-RRB-
43297	763	27	and	and	CC
43297	763	28	all	all	DT
43297	763	29	are	be	VBP
43297	763	30	decomposed	decompose	VBN
43297	763	31	by	by	IN
43297	763	32	boiling	boil	VBG
43297	763	33	sulphuric	sulphuric	JJ
43297	763	34	acid	acid	NNP
43297	763	35	,	,	,
43297	763	36	the	the	DT
43297	763	37	alumina	alumina	NNP
43297	763	38	being	be	VBG
43297	763	39	dissolved	dissolve	VBN
43297	763	40	and	and	CC
43297	763	41	the	the	DT
43297	763	42	silica	silica	NN
43297	763	43	liberated	liberate	VBN
43297	763	44	in	in	IN
43297	763	45	a	a	DT
43297	763	46	form	form	NN
43297	763	47	easily	easily	RB
43297	763	48	soluble	soluble	JJ
43297	763	49	in	in	IN
43297	763	50	solutions	solution	NNS
43297	763	51	of	of	IN
43297	763	52	caustic	caustic	JJ
43297	763	53	soda	soda	NN
43297	763	54	or	or	CC
43297	763	55	potash	potash	NN
43297	763	56	.	.	.
43297	764	1	This	this	DT
43297	764	2	has	have	VBZ
43297	764	3	led	lead	VBN
43297	764	4	to	to	IN
43297	764	5	the	the	DT
43297	764	6	conclusion	conclusion	NN
43297	764	7	that	that	IN
43297	764	8	some	some	DT
43297	764	9	kaolins	kaolin	NNS
43297	764	10	may	may	MD
43297	764	11	have	have	VB
43297	764	12	been	be	VBN
43297	764	13	produced	produce	VBN
43297	764	14	by	by	IN
43297	764	15	weathering	weather	VBG
43297	764	16	,	,	,
43297	764	17	as	as	IN
43297	764	18	the	the	DT
43297	764	19	bulk	bulk	NN
43297	764	20	of	of	IN
43297	764	21	true	true	JJ
43297	764	22	kaolinitic	kaolinitic	JJ
43297	764	23	clays	clay	NNS
43297	764	24	(	(	-LRB-
43297	764	25	such	such	JJ
43297	764	26	as	as	IN
43297	764	27	Cornish	cornish	JJ
43297	764	28	china	china	NNP
43297	764	29	clay	clay	NN
43297	764	30	)	)	-RRB-
43297	764	31	is	be	VBZ
43297	764	32	not	not	RB
43297	764	33	affected	affect	VBN
43297	764	34	by	by	IN
43297	764	35	boiling	boil	VBG
43297	764	36	hydrochloric	hydrochloric	JJ
43297	764	37	acid	acid	NN
43297	764	38	(	(	-LRB-
43297	764	39	p.	p.	NN
43297	764	40	81	81	CD
43297	764	41	)	)	-RRB-
43297	764	42	.	.	.
43297	765	1	Owing	owe	VBG
43297	765	2	to	to	IN
43297	765	3	the	the	DT
43297	765	4	exceptional	exceptional	JJ
43297	765	5	minuteness	minuteness	NN
43297	765	6	of	of	IN
43297	765	7	its	-PRON-	PRP$
43297	765	8	particles	particle	NNS
43297	765	9	,	,	,
43297	765	10	it	-PRON-	PRP
43297	765	11	is	be	VBZ
43297	765	12	extremely	extremely	RB
43297	765	13	difficult	difficult	JJ
43297	765	14	to	to	TO
43297	765	15	ascertain	ascertain	VB
43297	765	16	whether	whether	IN
43297	765	17	pure	pure	JJ
43297	765	18	china	china	NNP
43297	765	19	clay	clay	NNP
43297	765	20	or	or	CC
43297	765	21	kaolin	kaolin	NNP
43297	765	22	is	be	VBZ
43297	765	23	crystalline	crystalline	JJ
43297	765	24	or	or	CC
43297	765	25	amorphous	amorphous	JJ
43297	765	26	.	.	.
43297	766	1	Johnson	Johnson	NNP
43297	766	2	and	and	CC
43297	766	3	Blake	Blake	NNP
43297	766	4	(	(	-LRB-
43297	766	5	21	21	CD
43297	766	6	)	)	-RRB-
43297	766	7	found	find	VBD
43297	766	8	that	that	IN
43297	766	9	all	all	PDT
43297	766	10	the	the	DT
43297	766	11	specimens	specimen	NNS
43297	766	12	they	-PRON-	PRP
43297	766	13	examined	examine	VBD
43297	766	14	'	'	''
43297	766	15	consisted	consist	VBN
43297	766	16	largely	largely	RB
43297	766	17	of	of	IN
43297	766	18	hexagonal	hexagonal	JJ
43297	766	19	plates	plate	NNS
43297	766	20	'	'	POS
43297	766	21	and	and	CC
43297	766	22	that	that	IN
43297	766	23	in	in	IN
43297	766	24	most	most	JJS
43297	766	25	kaolins	kaolin	NNS
43297	766	26	'	'	POS
43297	766	27	these	these	DT
43297	766	28	plates	plate	NNS
43297	766	29	are	be	VBP
43297	766	30	abundant	abundant	JJ
43297	766	31	--	--	:
43297	766	32	evidently	evidently	RB
43297	766	33	constituting	constitute	VBG
43297	766	34	the	the	DT
43297	766	35	bulk	bulk	NN
43297	766	36	of	of	IN
43297	766	37	the	the	DT
43297	766	38	substance	substance	NN
43297	766	39	.	.	.
43297	766	40	'	'	''
43297	767	1	This	this	DT
43297	767	2	observation	observation	NN
43297	767	3	is	be	VBZ
43297	767	4	contrary	contrary	JJ
43297	767	5	to	to	IN
43297	767	6	the	the	DT
43297	767	7	experience	experience	NN
43297	767	8	of	of	IN
43297	767	9	most	most	JJS
43297	767	10	investigators	investigator	NNS
43297	767	11	,	,	,
43297	767	12	the	the	DT
43297	767	13	majority	majority	NN
43297	767	14	of	of	IN
43297	767	15	whom	whom	WP
43297	767	16	have	have	VBP
43297	767	17	found	find	VBN
43297	767	18	the	the	DT
43297	767	19	bulk	bulk	NN
43297	767	20	of	of	IN
43297	767	21	the	the	DT
43297	767	22	material	material	NN
43297	767	23	to	to	TO
43297	767	24	be	be	VB
43297	767	25	amorphous	amorphous	JJ
43297	767	26	and	and	CC
43297	767	27	sponge	sponge	JJ
43297	767	28	-	-	HYPH
43297	767	29	like	like	JJ
43297	767	30	,	,	,
43297	767	31	but	but	CC
43297	767	32	a	a	DT
43297	767	33	small	small	JJ
43297	767	34	portion	portion	NN
43297	767	35	of	of	IN
43297	767	36	it	-PRON-	PRP
43297	767	37	to	to	TO
43297	767	38	consist	consist	VB
43297	767	39	of	of	IN
43297	767	40	hexagonal	hexagonal	JJ
43297	767	41	or	or	CC
43297	767	42	rhombic	rhombic	JJ
43297	767	43	crystals	crystal	NNS
43297	767	44	.	.	.
43297	768	1	Mellor	Mellor	NNP
43297	768	2	(	(	-LRB-
43297	768	3	22	22	CD
43297	768	4	)	)	-RRB-
43297	768	5	has	have	VBZ
43297	768	6	proposed	propose	VBN
43297	768	7	the	the	DT
43297	768	8	name	name	NN
43297	768	9	_	_	NNP
43297	768	10	clayite	clayite	NN
43297	768	11	_	_	NNP
43297	768	12	for	for	IN
43297	768	13	this	this	DT
43297	768	14	amorphous	amorphous	JJ
43297	768	15	material	material	NN
43297	768	16	,	,	,
43297	768	17	the	the	DT
43297	768	18	crystalline	crystalline	NN
43297	768	19	portion	portion	NN
43297	768	20	being	be	VBG
43297	768	21	termed	term	VBN
43297	768	22	_	_	NNP
43297	768	23	kaolinite	kaolinite	NN
43297	768	24	_	_	NNP
43297	768	25	as	as	IN
43297	768	26	suggested	suggest	VBN
43297	768	27	by	by	IN
43297	768	28	Johnson	Johnson	NNP
43297	768	29	and	and	CC
43297	768	30	Blake	Blake	NNP
43297	768	31	.	.	.
43297	769	1	Both	both	DT
43297	769	2	kaolinite	kaolinite	NNP
43297	769	3	(	(	-LRB-
43297	769	4	crystalline	crystalline	NN
43297	769	5	)	)	-RRB-
43297	769	6	and	and	CC
43297	769	7	clayite	clayite	NNP
43297	769	8	(	(	-LRB-
43297	769	9	amorphous	amorphous	JJ
43297	769	10	)	)	-RRB-
43297	769	11	yield	yield	VB
43297	769	12	the	the	DT
43297	769	13	same	same	JJ
43297	769	14	results	result	NNS
43297	769	15	on	on	IN
43297	769	16	analysis	analysis	NN
43297	769	17	and	and	CC
43297	769	18	correspond	correspond	VB
43297	769	19	very	very	RB
43297	769	20	closely	closely	RB
43297	769	21	to	to	IN
43297	769	22	the	the	DT
43297	769	23	formula	formula	NN
43297	769	24	H4Al2Si2O9	H4Al2Si2O9	NNS
43297	769	25	or	or	CC
43297	769	26	Al2O3·2SiO2·2H2O	Al2O3·2SiO2·2H2O	NNS
43297	769	27	,	,	,
43297	769	28	so	so	IN
43297	769	29	that	that	IN
43297	769	30	it	-PRON-	PRP
43297	769	31	is	be	VBZ
43297	769	32	most	most	RBS
43297	769	33	probable	probable	JJ
43297	769	34	that	that	IN
43297	769	35	they	-PRON-	PRP
43297	769	36	are	be	VBP
43297	769	37	the	the	DT
43297	769	38	same	same	JJ
43297	769	39	substance	substance	NN
43297	769	40	in	in	IN
43297	769	41	different	different	JJ
43297	769	42	physical	physical	JJ
43297	769	43	states	state	NNS
43297	769	44	.	.	.
43297	770	1	According	accord	VBG
43297	770	2	to	to	IN
43297	770	3	Hickling	Hickling	NNP
43297	770	4	(	(	-LRB-
43297	770	5	36	36	CD
43297	770	6	)	)	-RRB-
43297	770	7	the	the	DT
43297	770	8	general	general	JJ
43297	770	9	impression	impression	NN
43297	770	10	that	that	IN
43297	770	11	the	the	DT
43297	770	12	particles	particle	NNS
43297	770	13	of	of	IN
43297	770	14	china	china	NNP
43297	770	15	clay	clay	NNP
43297	770	16	are	be	VBP
43297	770	17	amorphous	amorphous	JJ
43297	770	18	is	be	VBZ
43297	770	19	due	due	JJ
43297	770	20	to	to	IN
43297	770	21	the	the	DT
43297	770	22	use	use	NN
43297	770	23	of	of	IN
43297	770	24	microscopes	microscope	NNS
43297	770	25	of	of	IN
43297	770	26	insufficient	insufficient	JJ
43297	770	27	power	power	NN
43297	770	28	.	.	.
43297	771	1	With	with	IN
43297	771	2	an	an	DT
43297	771	3	improved	improve	VBN
43297	771	4	instrument	instrument	NN
43297	771	5	,	,	,
43297	771	6	Hickling	Hickling	NNP
43297	771	7	claims	claim	VBZ
43297	771	8	to	to	TO
43297	771	9	have	have	VB
43297	771	10	identified	identify	VBN
43297	771	11	the	the	DT
43297	771	12	'	'	``
43297	771	13	amorphous	amorphous	JJ
43297	771	14	'	'	''
43297	771	15	portion	portion	NN
43297	771	16	of	of	IN
43297	771	17	china	china	NNP
43297	771	18	clay	clay	NNP
43297	771	19	with	with	IN
43297	771	20	crystalline	crystalline	NNP
43297	771	21	kaolinite	kaolinite	NNP
43297	771	22	,	,	,
43297	771	23	the	the	DT
43297	771	24	clay	clay	NN
43297	771	25	particles	particle	NNS
43297	771	26	(	(	-LRB-
43297	771	27	fig	fig	NN
43297	771	28	.	.	.
43297	772	1	17	17	LS
43297	772	2	)	)	-RRB-
43297	772	3	being	be	VBG
43297	772	4	in	in	IN
43297	772	5	the	the	DT
43297	772	6	form	form	NN
43297	772	7	of	of	IN
43297	772	8	irregular	irregular	JJ
43297	772	9	,	,	,
43297	772	10	curved	curved	JJ
43297	772	11	,	,	,
43297	772	12	hexagonal	hexagonal	JJ
43297	772	13	prisms	prism	NNS
43297	772	14	or	or	CC
43297	772	15	in	in	IN
43297	772	16	isolated	isolated	JJ
43297	772	17	plates	plate	NNS
43297	772	18	.	.	.
43297	773	1	The	the	DT
43297	773	2	former	former	JJ
43297	773	3	show	show	NN
43297	773	4	strong	strong	JJ
43297	773	5	transverse	transverse	JJ
43297	773	6	cleavages	cleavage	NNS
43297	773	7	.	.	.
43297	774	1	The	the	DT
43297	774	2	index	index	NN
43297	774	3	of	of	IN
43297	774	4	refraction	refraction	NN
43297	774	5	and	and	CC
43297	774	6	that	that	IN
43297	774	7	of	of	IN
43297	774	8	double	double	JJ
43297	774	9	refraction	refraction	NN
43297	774	10	agree	agree	VBP
43297	774	11	with	with	IN
43297	774	12	those	those	DT
43297	774	13	of	of	IN
43297	774	14	Anglesea	Anglesea	NNP
43297	774	15	kaolinite	kaolinite	NN
43297	774	16	crystals	crystal	NNS
43297	774	17	,	,	,
43297	774	18	as	as	IN
43297	774	19	does	do	VBZ
43297	774	20	the	the	DT
43297	774	21	specific	specific	JJ
43297	774	22	gravity	gravity	NN
43297	774	23	.	.	.
43297	775	1	In	in	IN
43297	775	2	spite	spite	NN
43297	775	3	of	of	IN
43297	775	4	their	-PRON-	PRP$
43297	775	5	great	great	JJ
43297	775	6	purity	purity	NN
43297	775	7	,	,	,
43297	775	8	commercial	commercial	JJ
43297	775	9	china	china	NNP
43297	775	10	clays	clay	NNS
43297	775	11	and	and	CC
43297	775	12	kaolins	kaolins	NNP
43297	775	13	are	be	VBP
43297	775	14	almost	almost	RB
43297	775	15	devoid	devoid	JJ
43297	775	16	of	of	IN
43297	775	17	plasticity	plasticity	NN
43297	775	18	,	,	,
43297	775	19	nor	nor	CC
43297	775	20	can	can	MD
43297	775	21	this	this	DT
43297	775	22	property	property	NN
43297	775	23	be	be	VB
43297	775	24	greatly	greatly	RB
43297	775	25	increased	increase	VBN
43297	775	26	by	by	IN
43297	775	27	any	any	DT
43297	775	28	artificial	artificial	JJ
43297	775	29	treatment	treatment	NN
43297	775	30	.	.	.
43297	776	1	This	this	DT
43297	776	2	has	have	VBZ
43297	776	3	led	lead	VBN
43297	776	4	to	to	IN
43297	776	5	the	the	DT
43297	776	6	conclusion	conclusion	NN
43297	776	7	that	that	IN
43297	776	8	plasticity	plasticity	NN
43297	776	9	is	be	VBZ
43297	776	10	not	not	RB
43297	776	11	an	an	DT
43297	776	12	essential	essential	JJ
43297	776	13	characteristic	characteristic	NN
43297	776	14	of	of	IN
43297	776	15	the	the	DT
43297	776	16	clayite	clayite	NNP
43297	776	17	or	or	CC
43297	776	18	kaolinite	kaolinite	NNP
43297	776	19	molecules	molecule	NNS
43297	776	20	,	,	,
43297	776	21	but	but	CC
43297	776	22	is	be	VBZ
43297	776	23	due	due	JJ
43297	776	24	to	to	IN
43297	776	25	physical	physical	JJ
43297	776	26	causes	cause	NNS
43297	776	27	not	not	RB
43297	776	28	shown	show	VBN
43297	776	29	by	by	IN
43297	776	30	any	any	DT
43297	776	31	investigation	investigation	NN
43297	776	32	of	of	IN
43297	776	33	the	the	DT
43297	776	34	chemical	chemical	JJ
43297	776	35	composition	composition	NN
43297	776	36	of	of	IN
43297	776	37	the	the	DT
43297	776	38	material	material	NN
43297	776	39	.	.	.
43297	777	1	In	in	IN
43297	777	2	addition	addition	NN
43297	777	3	to	to	IN
43297	777	4	the	the	DT
43297	777	5	specially	specially	RB
43297	777	6	purified	purify	VBN
43297	777	7	kaolins	kaolin	NNS
43297	777	8	just	just	RB
43297	777	9	described	describe	VBN
43297	777	10	,	,	,
43297	777	11	alkaline	alkaline	NNP
43297	777	12	kaolins	kaolins	NNP
43297	777	13	,	,	,
43297	777	14	siliceous	siliceous	JJ
43297	777	15	kaolins	kaolin	NNS
43297	777	16	and	and	CC
43297	777	17	ferruginous	ferruginous	JJ
43297	777	18	kaolins	kaolin	NNS
43297	777	19	are	be	VBP
43297	777	20	obtained	obtain	VBN
43297	777	21	from	from	IN
43297	777	22	less	less	JJR
43297	777	23	pure	pure	JJ
43297	777	24	rocks	rock	NNS
43297	777	25	and	and	CC
43297	777	26	do	do	VBP
43297	777	27	not	not	RB
43297	777	28	undergo	undergo	VB
43297	777	29	so	so	RB
43297	777	30	thorough	thorough	JJ
43297	777	31	a	a	DT
43297	777	32	treatment	treatment	NN
43297	777	33	with	with	IN
43297	777	34	water	water	NN
43297	777	35	.	.	.
43297	778	1	Some	some	DT
43297	778	2	of	of	IN
43297	778	3	these	these	DT
43297	778	4	varieties	variety	NNS
43297	778	5	are	be	VBP
43297	778	6	not	not	RB
43297	778	7	improbably	improbably	RB
43297	778	8	derived	derive	VBN
43297	778	9	from	from	IN
43297	778	10	transported	transport	VBN
43297	778	11	kaolins	kaolin	NNS
43297	778	12	,	,	,
43297	778	13	as	as	IN
43297	778	14	they	-PRON-	PRP
43297	778	15	occur	occur	VBP
43297	778	16	in	in	IN
43297	778	17	Tertiary	tertiary	JJ
43297	778	18	strata	strata	NN
43297	778	19	,	,	,
43297	778	20	and	and	CC
43297	778	21	so	so	RB
43297	778	22	bear	bear	VB
43297	778	23	some	some	DT
43297	778	24	resemblance	resemblance	NN
43297	778	25	to	to	IN
43297	778	26	the	the	DT
43297	778	27	white	white	NNP
43297	778	28	fireclays	fireclay	VBZ
43297	778	29	on	on	IN
43297	778	30	the	the	DT
43297	778	31	Carboniferous	carboniferous	JJ
43297	778	32	limestone	limestone	NN
43297	778	33	of	of	IN
43297	778	34	Staffordshire	Staffordshire	NNP
43297	778	35	,	,	,
43297	778	36	Derbyshire	Derbyshire	NNP
43297	778	37	and	and	CC
43297	778	38	North	North	NNP
43297	778	39	Wales	Wales	NNP
43297	778	40	,	,	,
43297	778	41	though	though	IN
43297	778	42	the	the	DT
43297	778	43	latter	latter	JJ
43297	778	44	are	be	VBP
43297	778	45	far	far	RB
43297	778	46	more	more	RBR
43297	778	47	plastic	plastic	NN
43297	778	48	.	.	.
43297	779	1	To	to	TO
43297	779	2	be	be	VB
43297	779	3	of	of	IN
43297	779	4	value	value	NN
43297	779	5	,	,	,
43297	779	6	a	a	DT
43297	779	7	china	china	NNP
43297	779	8	clay	clay	NNP
43297	779	9	or	or	CC
43297	779	10	kaolin	kaolin	NNP
43297	779	11	must	must	MD
43297	779	12	be	be	VB
43297	779	13	as	as	RB
43297	779	14	white	white	JJ
43297	779	15	as	as	IN
43297	779	16	possible	possible	JJ
43297	779	17	and	and	CC
43297	779	18	must	must	MD
43297	779	19	be	be	VB
43297	779	20	free	free	JJ
43297	779	21	from	from	IN
43297	779	22	more	more	JJR
43297	779	23	than	than	IN
43297	779	24	an	an	DT
43297	779	25	insignificant	insignificant	JJ
43297	779	26	percentage	percentage	NN
43297	779	27	of	of	IN
43297	779	28	metallic	metallic	JJ
43297	779	29	oxides	oxide	NNS
43297	779	30	which	which	WDT
43297	779	31	will	will	MD
43297	779	32	produce	produce	VB
43297	779	33	a	a	DT
43297	779	34	colour	colour	NN
43297	779	35	when	when	WRB
43297	779	36	the	the	DT
43297	779	37	clay	clay	NN
43297	779	38	is	be	VBZ
43297	779	39	heated	heat	VBN
43297	779	40	to	to	IN
43297	779	41	bright	bright	JJ
43297	779	42	redness	redness	NN
43297	779	43	.	.	.
43297	780	1	If	if	IN
43297	780	2	the	the	DT
43297	780	3	material	material	NN
43297	780	4	is	be	VBZ
43297	780	5	to	to	TO
43297	780	6	be	be	VB
43297	780	7	used	use	VBN
43297	780	8	in	in	IN
43297	780	9	the	the	DT
43297	780	10	manufacture	manufacture	NN
43297	780	11	of	of	IN
43297	780	12	paper	paper	NN
43297	780	13	,	,	,
43297	780	14	paint	paint	NN
43297	780	15	or	or	CC
43297	780	16	ultra	ultra	JJ
43297	780	17	-	-	JJ
43297	780	18	marine	marine	JJ
43297	780	19	,	,	,
43297	780	20	these	these	DT
43297	780	21	colour	colour	NN
43297	780	22	-	-	HYPH
43297	780	23	producing	produce	VBG
43297	780	24	oxides	oxide	NNS
43297	780	25	are	be	VBP
43297	780	26	of	of	IN
43297	780	27	less	less	JJR
43297	780	28	importance	importance	NN
43297	780	29	providing	provide	VBG
43297	780	30	that	that	IN
43297	780	31	the	the	DT
43297	780	32	clay	clay	NN
43297	780	33	is	be	VBZ
43297	780	34	sufficiently	sufficiently	RB
43297	780	35	white	white	JJ
43297	780	36	in	in	IN
43297	780	37	its	-PRON-	PRP$
43297	780	38	commercial	commercial	JJ
43297	780	39	state	state	NN
43297	780	40	.	.	.
43297	781	1	The	the	DT
43297	781	2	manufacturer	manufacturer	NN
43297	781	3	of	of	IN
43297	781	4	china	china	NNP
43297	781	5	-	-	HYPH
43297	781	6	ware	ware	NNP
43297	781	7	and	and	CC
43297	781	8	porcelain	porcelain	NN
43297	781	9	requires	require	VBZ
43297	781	10	china	china	NNP
43297	781	11	clay	clay	NNP
43297	781	12	or	or	CC
43297	781	13	kaolin	kaolin	NNP
43297	781	14	which	which	WDT
43297	781	15	,	,	,
43297	781	16	in	in	IN
43297	781	17	addition	addition	NN
43297	781	18	to	to	IN
43297	781	19	the	the	DT
43297	781	20	foregoing	foregoing	JJ
43297	781	21	characteristics	characteristic	NNS
43297	781	22	,	,	,
43297	781	23	shall	shall	MD
43297	781	24	be	be	VB
43297	781	25	highly	highly	RB
43297	781	26	refractory	refractory	JJ
43297	781	27	.	.	.
43297	782	1	It	-PRON-	PRP
43297	782	2	must	must	MD
43297	782	3	,	,	,
43297	782	4	therefore	therefore	RB
43297	782	5	,	,	,
43297	782	6	be	be	VB
43297	782	7	free	free	JJ
43297	782	8	from	from	IN
43297	782	9	more	more	JJR
43297	782	10	than	than	IN
43297	782	11	about	about	RB
43297	782	12	2	2	CD
43297	782	13	per	per	NN
43297	782	14	cent	cent	NN
43297	782	15	.	.	.
43297	783	1	of	of	IN
43297	783	2	lime	lime	NNP
43297	783	3	,	,	,
43297	783	4	magnesia	magnesia	NNP
43297	783	5	,	,	,
43297	783	6	soda	soda	NNP
43297	783	7	,	,	,
43297	783	8	potash	potash	NN
43297	783	9	,	,	,
43297	783	10	titanic	titanic	JJ
43297	783	11	acid	acid	NN
43297	783	12	and	and	CC
43297	783	13	other	other	JJ
43297	783	14	fluxes	flux	NNS
43297	783	15	.	.	.
43297	784	1	It	-PRON-	PRP
43297	784	2	is	be	VBZ
43297	784	3	a	a	DT
43297	784	4	mistake	mistake	NN
43297	784	5	to	to	TO
43297	784	6	suppose	suppose	VB
43297	784	7	that	that	IN
43297	784	8	all	all	DT
43297	784	9	white	white	JJ
43297	784	10	clays	clay	NNS
43297	784	11	of	of	IN
43297	784	12	slight	slight	JJ
43297	784	13	plasticity	plasticity	NN
43297	784	14	are	be	VBP
43297	784	15	china	china	NNP
43297	784	16	clays	clay	NNS
43297	784	17	or	or	CC
43297	784	18	kaolins	kaolin	NNS
43297	784	19	.	.	.
43297	785	1	Some	some	DT
43297	785	2	_	_	NNP
43297	785	3	pipe	pipe	NN
43297	785	4	clays	clay	NNS
43297	785	5	_	_	NNP
43297	785	6	have	have	VBP
43297	785	7	these	these	DT
43297	785	8	characteristics	characteristic	NNS
43297	785	9	,	,	,
43297	785	10	but	but	CC
43297	785	11	they	-PRON-	PRP
43297	785	12	contain	contain	VBP
43297	785	13	so	so	RB
43297	785	14	large	large	JJ
43297	785	15	a	a	DT
43297	785	16	proportion	proportion	NN
43297	785	17	of	of	IN
43297	785	18	impurities	impurity	NNS
43297	785	19	as	as	IN
43297	785	20	to	to	TO
43297	785	21	be	be	VB
43297	785	22	useless	useless	JJ
43297	785	23	for	for	IN
43297	785	24	the	the	DT
43297	785	25	purposes	purpose	NNS
43297	785	26	for	for	IN
43297	785	27	which	which	WDT
43297	785	28	china	china	NNP
43297	785	29	clay	clay	NNP
43297	785	30	is	be	VBZ
43297	785	31	employed	employ	VBN
43297	785	32	and	and	CC
43297	785	33	are	be	VBP
43297	785	34	consequently	consequently	RB
43297	785	35	of	of	IN
43297	785	36	small	small	JJ
43297	785	37	value	value	NN
43297	785	38	.	.	.
43297	786	1	Users	user	NNS
43297	786	2	of	of	IN
43297	786	3	china	china	NNP
43297	786	4	clays	clay	NNS
43297	786	5	and	and	CC
43297	786	6	kaolins	kaolins	NNP
43297	786	7	generally	generally	RB
43297	786	8	find	find	VBP
43297	786	9	it	-PRON-	PRP
43297	786	10	necessary	necessary	JJ
43297	786	11	to	to	TO
43297	786	12	carry	carry	VB
43297	786	13	out	out	RP
43297	786	14	a	a	DT
43297	786	15	lengthy	lengthy	JJ
43297	786	16	series	series	NN
43297	786	17	of	of	IN
43297	786	18	tests	test	NNS
43297	786	19	before	before	IN
43297	786	20	accepting	accept	VBG
43297	786	21	material	material	NN
43297	786	22	from	from	IN
43297	786	23	a	a	DT
43297	786	24	new	new	JJ
43297	786	25	source	source	NN
43297	786	26	,	,	,
43297	786	27	as	as	IN
43297	786	28	such	such	PDT
43297	786	29	a	a	DT
43297	786	30	material	material	NN
43297	786	31	may	may	MD
43297	786	32	possess	possess	VB
43297	786	33	characteristics	characteristic	NNS
43297	786	34	not	not	RB
43297	786	35	readily	readily	RB
43297	786	36	shown	show	VBN
43297	786	37	by	by	IN
43297	786	38	ordinary	ordinary	JJ
43297	786	39	methods	method	NNS
43297	786	40	of	of	IN
43297	786	41	analysis	analysis	NN
43297	786	42	,	,	,
43297	786	43	but	but	CC
43297	786	44	which	which	WDT
43297	786	45	are	be	VBP
43297	786	46	sufficiently	sufficiently	RB
43297	786	47	active	active	JJ
43297	786	48	to	to	TO
43297	786	49	make	make	VB
43297	786	50	it	-PRON-	PRP
43297	786	51	useless	useless	JJ
43297	786	52	for	for	IN
43297	786	53	certain	certain	JJ
43297	786	54	purposes	purpose	NNS
43297	786	55	(	(	-LRB-
43297	786	56	see	see	VB
43297	786	57	p.	p.	NN
43297	786	58	143	143	CD
43297	786	59	)	)	-RRB-
43297	786	60	.	.	.
43297	787	1	=	=	NFP
43297	787	2	Pottery	pottery	NN
43297	787	3	clays=	clays=	NN
43297	787	4	are	be	VBP
43297	787	5	,	,	,
43297	787	6	as	as	IN
43297	787	7	their	-PRON-	PRP$
43297	787	8	name	name	NN
43297	787	9	implies	imply	VBZ
43297	787	10	,	,	,
43297	787	11	those	those	DT
43297	787	12	used	use	VBN
43297	787	13	in	in	IN
43297	787	14	the	the	DT
43297	787	15	manufacture	manufacture	NN
43297	787	16	of	of	IN
43297	787	17	pottery	pottery	NN
43297	787	18	,	,	,
43297	787	19	and	and	CC
43297	787	20	comprise	comprise	VB
43297	787	21	the	the	DT
43297	787	22	china	china	NNP
43297	787	23	clays	clay	NNS
43297	787	24	already	already	RB
43297	787	25	mentioned	mention	VBN
43297	787	26	(	(	-LRB-
43297	787	27	p.	p.	NN
43297	787	28	104	104	CD
43297	787	29	)	)	-RRB-
43297	787	30	,	,	,
43297	787	31	the	the	DT
43297	787	32	ball	ball	NN
43297	787	33	clays	clay	NNS
43297	787	34	and	and	CC
43297	787	35	the	the	DT
43297	787	36	less	less	RBR
43297	787	37	pure	pure	JJ
43297	787	38	clays	clay	NNS
43297	787	39	used	use	VBN
43297	787	40	in	in	IN
43297	787	41	the	the	DT
43297	787	42	manufacture	manufacture	NN
43297	787	43	of	of	IN
43297	787	44	coarse	coarse	JJ
43297	787	45	red	red	JJ
43297	787	46	ware	ware	NN
43297	787	47	,	,	,
43297	787	48	flower	flower	NN
43297	787	49	pots	pot	NNS
43297	787	50	,	,	,
43297	787	51	etc	etc	FW
43297	787	52	.	.	.
43297	788	1	The	the	DT
43297	788	2	_	_	NNP
43297	788	3	china	china	NNP
43297	788	4	clays	clay	NNS
43297	788	5	_	_	NNP
43297	788	6	(	(	-LRB-
43297	788	7	p.	p.	NN
43297	788	8	104	104	CD
43297	788	9	)	)	-RRB-
43297	788	10	are	be	VBP
43297	788	11	not	not	RB
43297	788	12	used	use	VBN
43297	788	13	alone	alone	RB
43297	788	14	in	in	IN
43297	788	15	pottery	pottery	NN
43297	788	16	manufacture	manufacture	NN
43297	788	17	as	as	IN
43297	788	18	they	-PRON-	PRP
43297	788	19	lack	lack	VBP
43297	788	20	plasticity	plasticity	NN
43297	788	21	and	and	CC
43297	788	22	cohesion	cohesion	NN
43297	788	23	.	.	.
43297	789	1	In	in	IN
43297	789	2	the	the	DT
43297	789	3	production	production	NN
43297	789	4	of	of	IN
43297	789	5	china	china	NNP
43297	789	6	-	-	HYPH
43297	789	7	ware	ware	NNP
43297	789	8	or	or	CC
43297	789	9	porcelain	porcelain	NN
43297	789	10	they	-PRON-	PRP
43297	789	11	are	be	VBP
43297	789	12	mixed	mix	VBN
43297	789	13	with	with	IN
43297	789	14	a	a	DT
43297	789	15	fluxing	fluxing	JJ
43297	789	16	material	material	NN
43297	789	17	such	such	JJ
43297	789	18	as	as	IN
43297	789	19	Cornish	cornish	JJ
43297	789	20	stone	stone	NN
43297	789	21	,	,	,
43297	789	22	pegmatite	pegmatite	NN
43297	789	23	,	,	,
43297	789	24	or	or	CC
43297	789	25	felspar	felspar	NNS
43297	789	26	,	,	,
43297	789	27	together	together	RB
43297	789	28	with	with	IN
43297	789	29	quartz	quartz	NN
43297	789	30	or	or	CC
43297	789	31	bone	bone	NN
43297	789	32	ash	ash	NN
43297	789	33	.	.	.
43297	790	1	Thus	thus	RB
43297	790	2	,	,	,
43297	790	3	English	English	NNP
43297	790	4	china	china	NNP
43297	790	5	ware	ware	NNP
43297	790	6	is	be	VBZ
43297	790	7	produced	produce	VBN
43297	790	8	from	from	IN
43297	790	9	a	a	DT
43297	790	10	mixture	mixture	NN
43297	790	11	of	of	IN
43297	790	12	approximately	approximately	RB
43297	790	13	equal	equal	JJ
43297	790	14	parts	part	NNS
43297	790	15	of	of	IN
43297	790	16	bone	bone	NN
43297	790	17	ash	ash	NNP
43297	790	18	,	,	,
43297	790	19	china	china	NNP
43297	790	20	clay	clay	NNP
43297	790	21	and	and	CC
43297	790	22	Cornish	cornish	JJ
43297	790	23	stone	stone	NN
43297	790	24	,	,	,
43297	790	25	whilst	whilst	IN
43297	790	26	felspathic	felspathic	JJ
43297	790	27	or	or	CC
43297	790	28	hard	hard	JJ
43297	790	29	porcelain	porcelain	NN
43297	790	30	is	be	VBZ
43297	790	31	made	make	VBN
43297	790	32	from	from	IN
43297	790	33	a	a	DT
43297	790	34	mixture	mixture	NN
43297	790	35	of	of	IN
43297	790	36	kaolin	kaolin	NNP
43297	790	37	,	,	,
43297	790	38	felspar	felspar	NNP
43297	790	39	and	and	CC
43297	790	40	quartz	quartz	NN
43297	790	41	,	,	,
43297	790	42	a	a	DT
43297	790	43	little	little	JJ
43297	790	44	chalk	chalk	NN
43297	790	45	being	be	VBG
43297	790	46	sometimes	sometimes	RB
43297	790	47	added	add	VBN
43297	790	48	.	.	.
43297	791	1	The	the	DT
43297	791	2	_	_	NNP
43297	791	3	ball	ball	NN
43297	791	4	clays	clay	VBZ
43297	791	5	_	_	NNP
43297	791	6	(	(	-LRB-
43297	791	7	p.	p.	NN
43297	791	8	64	64	CD
43297	791	9	)	)	-RRB-
43297	791	10	form	form	VBP
43297	791	11	the	the	DT
43297	791	12	basis	basis	NN
43297	791	13	of	of	IN
43297	791	14	most	most	JJS
43297	791	15	ordinary	ordinary	JJ
43297	791	16	pottery	pottery	NN
43297	791	17	,	,	,
43297	791	18	though	though	IN
43297	791	19	some	some	DT
43297	791	20	china	china	NNP
43297	791	21	clay	clay	NN
43297	791	22	is	be	VBZ
43297	791	23	usually	usually	RB
43297	791	24	added	add	VBN
43297	791	25	in	in	IN
43297	791	26	order	order	NN
43297	791	27	to	to	TO
43297	791	28	produce	produce	VB
43297	791	29	a	a	DT
43297	791	30	whiter	whiter	NN
43297	791	31	ware	ware	NN
43297	791	32	.	.	.
43297	792	1	Flint	Flint	NNP
43297	792	2	is	be	VBZ
43297	792	3	added	add	VBN
43297	792	4	to	to	TO
43297	792	5	reduce	reduce	VB
43297	792	6	the	the	DT
43297	792	7	shrinkage	shrinkage	NN
43297	792	8	--	--	:
43297	792	9	which	which	WDT
43297	792	10	would	would	MD
43297	792	11	otherwise	otherwise	RB
43297	792	12	be	be	VB
43297	792	13	inconveniently	inconveniently	RB
43297	792	14	great	great	JJ
43297	792	15	--	--	:
43297	792	16	and	and	CC
43297	792	17	the	the	DT
43297	792	18	strength	strength	NN
43297	792	19	of	of	IN
43297	792	20	the	the	DT
43297	792	21	finished	finished	JJ
43297	792	22	ware	ware	NN
43297	792	23	is	be	VBZ
43297	792	24	increased	increase	VBN
43297	792	25	,	,	,
43297	792	26	its	-PRON-	PRP$
43297	792	27	texture	texture	NN
43297	792	28	is	be	VBZ
43297	792	29	rendered	render	VBN
43297	792	30	closer	close	JJR
43297	792	31	and	and	CC
43297	792	32	its	-PRON-	PRP$
43297	792	33	capability	capability	NN
43297	792	34	of	of	IN
43297	792	35	emitting	emit	VBG
43297	792	36	a	a	DT
43297	792	37	ringing	ring	VBG
43297	792	38	sound	sound	NN
43297	792	39	when	when	WRB
43297	792	40	struck	strike	VBN
43297	792	41	are	be	VBP
43297	792	42	produced	produce	VBN
43297	792	43	by	by	IN
43297	792	44	the	the	DT
43297	792	45	inclusion	inclusion	NN
43297	792	46	of	of	IN
43297	792	47	Cornish	cornish	JJ
43297	792	48	stone	stone	NN
43297	792	49	or	or	CC
43297	792	50	felspar	felspar	NNS
43297	792	51	in	in	IN
43297	792	52	the	the	DT
43297	792	53	mixture	mixture	NN
43297	792	54	.	.	.
43297	793	1	Small	small	JJ
43297	793	2	quantities	quantity	NNS
43297	793	3	of	of	IN
43297	793	4	cobalt	cobalt	NN
43297	793	5	oxide	oxide	NN
43297	793	6	are	be	VBP
43297	793	7	also	also	RB
43297	793	8	added	add	VBN
43297	793	9	to	to	TO
43297	793	10	improve	improve	VB
43297	793	11	the	the	DT
43297	793	12	whiteness	whiteness	NN
43297	793	13	in	in	IN
43297	793	14	the	the	DT
43297	793	15	better	well	JJR
43297	793	16	classes	class	NNS
43297	793	17	of	of	IN
43297	793	18	ware	ware	NN
43297	793	19	.	.	.
43297	794	1	[	[	-LRB-
43297	794	2	Illustration	illustration	NN
43297	794	3	:	:	:
43297	794	4	Fig	Fig	NNP
43297	794	5	.	.	.
43297	795	1	18	18	CD
43297	795	2	.	.	.
43297	796	1	Mining	mining	NN
43297	796	2	best	well	RBS
43297	796	3	Potter	Potter	NNP
43297	796	4	's	's	POS
43297	796	5	clay	clay	NN
43297	796	6	in	in	IN
43297	796	7	Devonshire	Devonshire	NNP
43297	796	8	.	.	.
43297	797	1	(	(	-LRB-
43297	797	2	_	_	NNP
43297	797	3	Photo	Photo	NNP
43297	797	4	by	by	IN
43297	797	5	Mr	Mr	NNP
43297	797	6	G.	G.	NNP
43297	797	7	Bishop	Bishop	NNP
43297	797	8	.	.	.
43297	797	9	_	_	NNP
43297	797	10	)	)	-RRB-
43297	797	11	]	]	-RRB-
43297	797	12	The	the	DT
43297	797	13	ball	ball	NN
43297	797	14	clays	clay	NNS
43297	797	15	are	be	VBP
43297	797	16	characterised	characterise	VBN
43297	797	17	by	by	IN
43297	797	18	their	-PRON-	PRP$
43297	797	19	remarkably	remarkably	RB
43297	797	20	high	high	JJ
43297	797	21	plasticity	plasticity	NN
43297	797	22	,	,	,
43297	797	23	their	-PRON-	PRP$
43297	797	24	fine	fine	JJ
43297	797	25	texture	texture	NN
43297	797	26	and	and	CC
43297	797	27	their	-PRON-	PRP$
43297	797	28	freedom	freedom	NN
43297	797	29	from	from	IN
43297	797	30	grit	grit	NN
43297	797	31	.	.	.
43297	798	1	They	-PRON-	PRP
43297	798	2	are	be	VBP
43297	798	3	by	by	IN
43297	798	4	no	no	DT
43297	798	5	means	means	NN
43297	798	6	so	so	RB
43297	798	7	pure	pure	JJ
43297	798	8	as	as	IN
43297	798	9	the	the	DT
43297	798	10	china	china	NNP
43297	798	11	clays	clay	NNS
43297	798	12	,	,	,
43297	798	13	and	and	CC
43297	798	14	unless	unless	IN
43297	798	15	carefully	carefully	RB
43297	798	16	selected	select	VBN
43297	798	17	can	can	MD
43297	798	18	only	only	RB
43297	798	19	be	be	VB
43297	798	20	used	use	VBN
43297	798	21	for	for	IN
43297	798	22	common	common	JJ
43297	798	23	ware	ware	NN
43297	798	24	.	.	.
43297	799	1	The	the	DT
43297	799	2	better	well	JJR
43297	799	3	qualities	quality	NNS
43297	799	4	burn	burn	VBP
43297	799	5	to	to	IN
43297	799	6	a	a	DT
43297	799	7	vitrified	vitrified	JJ
43297	799	8	mass	mass	NN
43297	799	9	of	of	IN
43297	799	10	a	a	DT
43297	799	11	light	light	JJ
43297	799	12	brownish	brownish	JJ
43297	799	13	tint	tint	NN
43297	799	14	,	,	,
43297	799	15	but	but	CC
43297	799	16	when	when	WRB
43297	799	17	mixed	mix	VBN
43297	799	18	with	with	IN
43297	799	19	the	the	DT
43297	799	20	other	other	JJ
43297	799	21	materials	material	NNS
43297	799	22	used	use	VBN
43297	799	23	in	in	IN
43297	799	24	earthenware	earthenware	NN
43297	799	25	manufacture	manufacture	NN
43297	799	26	they	-PRON-	PRP
43297	799	27	should	should	MD
43297	799	28	produce	produce	VB
43297	799	29	a	a	DT
43297	799	30	perfectly	perfectly	RB
43297	799	31	white	white	JJ
43297	799	32	ware	ware	NN
43297	799	33	.	.	.
43297	800	1	The	the	DT
43297	800	2	inferior	inferior	JJ
43297	800	3	qualities	quality	NNS
43297	800	4	are	be	VBP
43297	800	5	used	use	VBN
43297	800	6	for	for	IN
43297	800	7	stoneware	stoneware	NN
43297	800	8	,	,	,
43297	800	9	drain	drain	VB
43297	800	10	pipes	pipe	NNS
43297	800	11	,	,	,
43297	800	12	etc	etc	FW
43297	800	13	.	.	.
43297	801	1	It	-PRON-	PRP
43297	801	2	should	should	MD
43297	801	3	be	be	VB
43297	801	4	noted	note	VBN
43297	801	5	that	that	IN
43297	801	6	the	the	DT
43297	801	7	term	term	NN
43297	801	8	'	'	``
43297	801	9	ball	ball	NN
43297	801	10	clay	clay	NN
43297	801	11	'	'	''
43297	801	12	is	be	VBZ
43297	801	13	used	use	VBN
43297	801	14	for	for	IN
43297	801	15	clays	clay	NNS
43297	801	16	of	of	IN
43297	801	17	widely	widely	RB
43297	801	18	differing	differ	VBG
43297	801	19	characteristics	characteristic	NNS
43297	801	20	though	though	IN
43297	801	21	all	all	DT
43297	801	22	obtained	obtain	VBN
43297	801	23	from	from	IN
43297	801	24	one	one	CD
43297	801	25	geological	geological	JJ
43297	801	26	formation	formation	NN
43297	801	27	;	;	:
43297	801	28	when	when	WRB
43297	801	29	ordering	order	VBG
43297	801	30	it	-PRON-	PRP
43297	801	31	is	be	VBZ
43297	801	32	necessary	necessary	JJ
43297	801	33	to	to	TO
43297	801	34	state	state	VB
43297	801	35	the	the	DT
43297	801	36	purpose	purpose	NN
43297	801	37	for	for	IN
43297	801	38	which	which	WDT
43297	801	39	the	the	DT
43297	801	40	clay	clay	NN
43297	801	41	is	be	VBZ
43297	801	42	required	require	VBN
43297	801	43	or	or	CC
43297	801	44	an	an	DT
43297	801	45	entirely	entirely	RB
43297	801	46	unsuitable	unsuitable	JJ
43297	801	47	material	material	NN
43297	801	48	may	may	MD
43297	801	49	be	be	VB
43297	801	50	supplied	supply	VBN
43297	801	51	.	.	.
43297	802	1	For	for	IN
43297	802	2	the	the	DT
43297	802	3	same	same	JJ
43297	802	4	reason	reason	NN
43297	802	5	,	,	,
43297	802	6	great	great	JJ
43297	802	7	care	care	NN
43297	802	8	is	be	VBZ
43297	802	9	needed	need	VBN
43297	802	10	in	in	IN
43297	802	11	any	any	DT
43297	802	12	endeavour	endeavour	NN
43297	802	13	to	to	TO
43297	802	14	sell	sell	VB
43297	802	15	a	a	DT
43297	802	16	ball	ball	NN
43297	802	17	clay	clay	NN
43297	802	18	from	from	IN
43297	802	19	an	an	DT
43297	802	20	hitherto	hitherto	NNP
43297	802	21	unworked	unworked	JJ
43297	802	22	deposit	deposit	NN
43297	802	23	.	.	.
43297	803	1	_	_	NNP
43297	803	2	Coarse	Coarse	NNP
43297	803	3	pottery	pottery	NN
43297	803	4	clays_[11	clays_[11	NN
43297	803	5	]	]	-RRB-
43297	803	6	are	be	VBP
43297	803	7	usually	usually	RB
43297	803	8	found	find	VBN
43297	803	9	near	near	IN
43297	803	10	the	the	DT
43297	803	11	surface	surface	NN
43297	803	12	and	and	CC
43297	803	13	whilst	whilst	IN
43297	803	14	they	-PRON-	PRP
43297	803	15	may	may	MD
43297	803	16	be	be	VB
43297	803	17	derived	derive	VBN
43297	803	18	from	from	IN
43297	803	19	any	any	DT
43297	803	20	geological	geological	JJ
43297	803	21	formation	formation	NN
43297	803	22	,	,	,
43297	803	23	those	those	DT
43297	803	24	most	most	RBS
43297	803	25	used	use	VBN
43297	803	26	in	in	IN
43297	803	27	England	England	NNP
43297	803	28	are	be	VBP
43297	803	29	of	of	IN
43297	803	30	Triassic	Triassic	NNP
43297	803	31	or	or	CC
43297	803	32	Permian	permian	JJ
43297	803	33	origin	origin	NN
43297	803	34	,	,	,
43297	803	35	though	though	IN
43297	803	36	some	some	DT
43297	803	37	small	small	JJ
43297	803	38	potteries	pottery	NNS
43297	803	39	use	use	VBP
43297	803	40	material	material	NN
43297	803	41	of	of	IN
43297	803	42	other	other	JJ
43297	803	43	periods	period	NNS
43297	803	44	,	,	,
43297	803	45	including	include	VBG
43297	803	46	alluvial	alluvial	JJ
43297	803	47	or	or	CC
43297	803	48	surface	surface	NN
43297	803	49	clays	clay	NNS
43297	803	50	.	.	.
43297	804	1	These	these	DT
43297	804	2	clays	clay	NNS
43297	804	3	are	be	VBP
43297	804	4	closely	closely	RB
43297	804	5	allied	allied	JJ
43297	804	6	to	to	IN
43297	804	7	those	those	DT
43297	804	8	used	use	VBN
43297	804	9	for	for	IN
43297	804	10	brickmaking	brickmaking	NN
43297	804	11	,	,	,
43297	804	12	but	but	CC
43297	804	13	are	be	VBP
43297	804	14	somewhat	somewhat	RB
43297	804	15	finer	fine	JJR
43297	804	16	in	in	IN
43297	804	17	texture	texture	NN
43297	804	18	and	and	CC
43297	804	19	more	more	JJR
43297	804	20	plastic	plastic	NN
43297	804	21	.	.	.
43297	805	1	In	in	IN
43297	805	2	some	some	DT
43297	805	3	cases	case	NNS
43297	805	4	they	-PRON-	PRP
43297	805	5	are	be	VBP
43297	805	6	prepared	prepare	VBN
43297	805	7	from	from	IN
43297	805	8	brick	brick	NN
43297	805	9	clays	clay	NNS
43297	805	10	by	by	IN
43297	805	11	treating	treat	VBG
43297	805	12	the	the	DT
43297	805	13	latter	latter	JJ
43297	805	14	in	in	IN
43297	805	15	a	a	DT
43297	805	16	wash	wash	NN
43297	805	17	-	-	HYPH
43297	805	18	mill	mill	NN
43297	805	19	,	,	,
43297	805	20	the	the	DT
43297	805	21	coarser	coarser	NN
43297	805	22	particles	particle	NNS
43297	805	23	being	be	VBG
43297	805	24	then	then	RB
43297	805	25	removed	remove	VBN
43297	805	26	,	,	,
43297	805	27	whilst	whilst	IN
43297	805	28	the	the	DT
43297	805	29	finer	fine	JJR
43297	805	30	ones	one	NNS
43297	805	31	,	,	,
43297	805	32	in	in	IN
43297	805	33	the	the	DT
43297	805	34	state	state	NN
43297	805	35	of	of	IN
43297	805	36	a	a	DT
43297	805	37	slip	slip	NN
43297	805	38	or	or	CC
43297	805	39	slurry	slurry	NN
43297	805	40	,	,	,
43297	805	41	are	be	VBP
43297	805	42	run	run	VBN
43297	805	43	into	into	IN
43297	805	44	a	a	DT
43297	805	45	settling	settle	VBG
43297	805	46	tank	tank	NN
43297	805	47	and	and	CC
43297	805	48	are	be	VBP
43297	805	49	there	there	EX
43297	805	50	deposited	deposit	VBN
43297	805	51	.	.	.
43297	806	1	[	[	-LRB-
43297	806	2	Footnote	footnote	NN
43297	806	3	11	11	CD
43297	806	4	:	:	:
43297	806	5	Coarse	coarse	JJ
43297	806	6	pottery	pottery	NN
43297	806	7	has	have	VBZ
43297	806	8	been	be	VBN
43297	806	9	defined	define	VBN
43297	806	10	as	as	IN
43297	806	11	that	that	DT
43297	806	12	made	make	VBN
43297	806	13	from	from	IN
43297	806	14	natural	natural	JJ
43297	806	15	clay	clay	NN
43297	806	16	without	without	IN
43297	806	17	the	the	DT
43297	806	18	addition	addition	NN
43297	806	19	of	of	IN
43297	806	20	any	any	DT
43297	806	21	material	material	NN
43297	806	22	other	other	JJ
43297	806	23	than	than	IN
43297	806	24	sand	sand	NN
43297	806	25	and	and	CC
43297	806	26	water	water	NN
43297	806	27	.	.	.
43297	806	28	]	]	-RRB-
43297	807	1	The	the	DT
43297	807	2	presence	presence	NN
43297	807	3	of	of	IN
43297	807	4	a	a	DT
43297	807	5	considerable	considerable	JJ
43297	807	6	proportion	proportion	NN
43297	807	7	of	of	IN
43297	807	8	iron	iron	NN
43297	807	9	oxide	oxide	NN
43297	807	10	results	result	NNS
43297	807	11	in	in	IN
43297	807	12	the	the	DT
43297	807	13	formation	formation	NN
43297	807	14	of	of	IN
43297	807	15	red	red	JJ
43297	807	16	ware	ware	NN
43297	807	17	,	,	,
43297	807	18	which	which	WDT
43297	807	19	is	be	VBZ
43297	807	20	necessarily	necessarily	RB
43297	807	21	of	of	IN
43297	807	22	a	a	DT
43297	807	23	porous	porous	JJ
43297	807	24	nature	nature	NN
43297	807	25	,	,	,
43297	807	26	as	as	IN
43297	807	27	the	the	DT
43297	807	28	fluxes	flux	NNS
43297	807	29	in	in	IN
43297	807	30	the	the	DT
43297	807	31	clay	clay	NN
43297	807	32	are	be	VBP
43297	807	33	such	such	JJ
43297	807	34	that	that	IN
43297	807	35	they	-PRON-	PRP
43297	807	36	will	will	MD
43297	807	37	not	not	RB
43297	807	38	permit	permit	VB
43297	807	39	of	of	IN
43297	807	40	its	-PRON-	PRP$
43297	807	41	being	be	VBG
43297	807	42	heated	heat	VBN
43297	807	43	to	to	TO
43297	807	44	complete	complete	VB
43297	807	45	vitrification	vitrification	NN
43297	807	46	without	without	IN
43297	807	47	loss	loss	NN
43297	807	48	of	of	IN
43297	807	49	shape	shape	NN
43297	807	50	.	.	.
43297	808	1	To	to	TO
43297	808	2	render	render	VB
43297	808	3	it	-PRON-	PRP
43297	808	4	impervious	impervious	JJ
43297	808	5	the	the	DT
43297	808	6	ware	ware	NN
43297	808	7	is	be	VBZ
43297	808	8	covered	cover	VBN
43297	808	9	with	with	IN
43297	808	10	a	a	DT
43297	808	11	glaze	glaze	NN
43297	808	12	,	,	,
43297	808	13	usually	usually	RB
43297	808	14	producing	produce	VBG
43297	808	15	red	red	JJ
43297	808	16	,	,	,
43297	808	17	brown	brown	JJ
43297	808	18	or	or	CC
43297	808	19	black	black	JJ
43297	808	20	ware	ware	NN
43297	808	21	(	(	-LRB-
43297	808	22	Rockingham	Rockingham	NNP
43297	808	23	ware	ware	NN
43297	808	24	)	)	-RRB-
43297	808	25	.	.	.
43297	809	1	The	the	DT
43297	809	2	_	_	NNP
43297	809	3	stoneware	stoneware	NN
43297	809	4	_	_	NNP
43297	809	5	or	or	CC
43297	809	6	_	_	NNP
43297	809	7	drain	drain	NN
43297	809	8	-	-	HYPH
43297	809	9	pipe	pipe	NN
43297	809	10	clays	clay	NNS
43297	809	11	_	_	NNP
43297	809	12	,	,	,
43297	809	13	are	be	VBP
43297	809	14	the	the	DT
43297	809	15	most	most	RBS
43297	809	16	important	important	JJ
43297	809	17	of	of	IN
43297	809	18	the	the	DT
43297	809	19	_	_	NNP
43297	809	20	vitrifiable	vitrifiable	JJ
43297	809	21	clays	clay	NNS
43297	809	22	_	_	NNP
43297	809	23	and	and	CC
43297	809	24	owe	owe	VB
43297	809	25	their	-PRON-	PRP$
43297	809	26	value	value	NN
43297	809	27	to	to	IN
43297	809	28	the	the	DT
43297	809	29	fact	fact	NN
43297	809	30	that	that	IN
43297	809	31	they	-PRON-	PRP
43297	809	32	can	can	MD
43297	809	33	be	be	VB
43297	809	34	readily	readily	RB
43297	809	35	used	use	VBN
43297	809	36	for	for	IN
43297	809	37	the	the	DT
43297	809	38	manufacture	manufacture	NN
43297	809	39	of	of	IN
43297	809	40	impervious	impervious	JJ
43297	809	41	ware	ware	NN
43297	809	42	without	without	IN
43297	809	43	the	the	DT
43297	809	44	necessity	necessity	NN
43297	809	45	of	of	IN
43297	809	46	employing	employ	VBG
43297	809	47	a	a	DT
43297	809	48	glaze	glaze	NN
43297	809	49	.	.	.
43297	810	1	They	-PRON-	PRP
43297	810	2	are	be	VBP
43297	810	3	,	,	,
43297	810	4	therefore	therefore	RB
43297	810	5	,	,	,
43297	810	6	used	use	VBN
43297	810	7	in	in	IN
43297	810	8	the	the	DT
43297	810	9	manufacture	manufacture	NN
43297	810	10	of	of	IN
43297	810	11	vessels	vessel	NNS
43297	810	12	for	for	IN
43297	810	13	holding	hold	VBG
43297	810	14	corrosive	corrosive	JJ
43297	810	15	liquids	liquid	NNS
43297	810	16	such	such	JJ
43297	810	17	as	as	IN
43297	810	18	acids	acid	NNS
43297	810	19	and	and	CC
43297	810	20	other	other	JJ
43297	810	21	chemicals	chemical	NNS
43297	810	22	,	,	,
43297	810	23	for	for	IN
43297	810	24	sanitary	sanitary	JJ
43297	810	25	appliances	appliance	NNS
43297	810	26	,	,	,
43297	810	27	sewerage	sewerage	NN
43297	810	28	pipes	pipe	NNS
43297	810	29	and	and	CC
43297	810	30	in	in	IN
43297	810	31	many	many	JJ
43297	810	32	other	other	JJ
43297	810	33	instances	instance	NNS
43297	810	34	where	where	WRB
43297	810	35	an	an	DT
43297	810	36	impervious	impervious	JJ
43297	810	37	material	material	NN
43297	810	38	is	be	VBZ
43297	810	39	required	require	VBN
43297	810	40	.	.	.
43297	811	1	Owing	owe	VBG
43297	811	2	to	to	IN
43297	811	3	the	the	DT
43297	811	4	lime	lime	NN
43297	811	5	,	,	,
43297	811	6	magnesia	magnesia	NNP
43297	811	7	,	,	,
43297	811	8	potash	potash	NNP
43297	811	9	and	and	CC
43297	811	10	soda	soda	NN
43297	811	11	they	-PRON-	PRP
43297	811	12	contain	contain	VBP
43297	811	13	,	,	,
43297	811	14	the	the	DT
43297	811	15	stoneware	stoneware	NN
43297	811	16	clays	clay	NNS
43297	811	17	undergo	undergo	VBP
43297	811	18	partial	partial	JJ
43297	811	19	fusion	fusion	NN
43297	811	20	at	at	IN
43297	811	21	a	a	DT
43297	811	22	much	much	RB
43297	811	23	lower	low	JJR
43297	811	24	temperature	temperature	NN
43297	811	25	than	than	IN
43297	811	26	is	be	VBZ
43297	811	27	required	require	VBN
43297	811	28	by	by	IN
43297	811	29	some	some	DT
43297	811	30	of	of	IN
43297	811	31	the	the	DT
43297	811	32	purer	purer	NN
43297	811	33	clays	clay	NNS
43297	811	34	.	.	.
43297	812	1	The	the	DT
43297	812	2	fused	fuse	VBN
43297	812	3	portion	portion	NN
43297	812	4	fills	fill	VBZ
43297	812	5	the	the	DT
43297	812	6	pores	pore	NNS
43297	812	7	or	or	CC
43297	812	8	interstices	interstice	NNS
43297	812	9	of	of	IN
43297	812	10	the	the	DT
43297	812	11	material	material	NN
43297	812	12	,	,	,
43297	812	13	making	make	VBG
43297	812	14	--	--	:
43297	812	15	when	when	WRB
43297	812	16	cold	cold	JJ
43297	812	17	--	--	:
43297	812	18	a	a	DT
43297	812	19	ware	ware	NN
43297	812	20	of	of	IN
43297	812	21	great	great	JJ
43297	812	22	strength	strength	NN
43297	812	23	and	and	CC
43297	812	24	impermeability	impermeability	NN
43297	812	25	.	.	.
43297	813	1	The	the	DT
43297	813	2	chief	chief	JJ
43297	813	3	difficulty	difficulty	NN
43297	813	4	experienced	experience	VBD
43297	813	5	in	in	IN
43297	813	6	the	the	DT
43297	813	7	manufacture	manufacture	NN
43297	813	8	of	of	IN
43297	813	9	stoneware	stoneware	NN
43297	813	10	is	be	VBZ
43297	813	11	the	the	DT
43297	813	12	liability	liability	NN
43297	813	13	of	of	IN
43297	813	14	the	the	DT
43297	813	15	articles	article	NNS
43297	813	16	to	to	TO
43297	813	17	twist	twist	VB
43297	813	18	and	and	CC
43297	813	19	warp	warp	VB
43297	813	20	when	when	WRB
43297	813	21	heated	heat	VBN
43297	813	22	.	.	.
43297	814	1	For	for	IN
43297	814	2	this	this	DT
43297	814	3	reason	reason	NN
43297	814	4	it	-PRON-	PRP
43297	814	5	is	be	VBZ
43297	814	6	necessary	necessary	JJ
43297	814	7	to	to	TO
43297	814	8	burn	burn	VB
43297	814	9	them	-PRON-	PRP
43297	814	10	very	very	RB
43297	814	11	carefully	carefully	RB
43297	814	12	and	and	CC
43297	814	13	to	to	TO
43297	814	14	select	select	VB
43297	814	15	the	the	DT
43297	814	16	clays	clay	NNS
43297	814	17	with	with	IN
43297	814	18	circumspection	circumspection	NN
43297	814	19	.	.	.
43297	815	1	Some	some	DT
43297	815	2	clays	clay	NNS
43297	815	3	are	be	VBP
43297	815	4	quite	quite	RB
43297	815	5	unsuitable	unsuitable	JJ
43297	815	6	for	for	IN
43297	815	7	this	this	DT
43297	815	8	branch	branch	NN
43297	815	9	of	of	IN
43297	815	10	pottery	pottery	NN
43297	815	11	manufacture	manufacture	NN
43297	815	12	because	because	IN
43297	815	13	of	of	IN
43297	815	14	the	the	DT
43297	815	15	practical	practical	JJ
43297	815	16	impossibility	impossibility	NN
43297	815	17	of	of	IN
43297	815	18	producing	produce	VBG
43297	815	19	ware	ware	NN
43297	815	20	which	which	WDT
43297	815	21	is	be	VBZ
43297	815	22	correct	correct	JJ
43297	815	23	in	in	IN
43297	815	24	shape	shape	NN
43297	815	25	and	and	CC
43297	815	26	is	be	VBZ
43297	815	27	free	free	JJ
43297	815	28	from	from	IN
43297	815	29	warping	warp	VBG
43297	815	30	.	.	.
43297	816	1	What	what	WP
43297	816	2	is	be	VBZ
43297	816	3	required	require	VBN
43297	816	4	are	be	VBP
43297	816	5	clays	clay	NNS
43297	816	6	in	in	IN
43297	816	7	which	which	WDT
43297	816	8	the	the	DT
43297	816	9	partial	partial	JJ
43297	816	10	fusion	fusion	NN
43297	816	11	will	will	MD
43297	816	12	commence	commence	VB
43297	816	13	at	at	IN
43297	816	14	a	a	DT
43297	816	15	moderate	moderate	JJ
43297	816	16	temperature	temperature	NN
43297	816	17	and	and	CC
43297	816	18	will	will	MD
43297	816	19	continue	continue	VB
43297	816	20	until	until	IN
43297	816	21	all	all	PDT
43297	816	22	the	the	DT
43297	816	23	pores	pore	NNS
43297	816	24	are	be	VBP
43297	816	25	filled	fill	VBN
43297	816	26	with	with	IN
43297	816	27	the	the	DT
43297	816	28	fused	fuse	VBN
43297	816	29	material	material	NN
43297	816	30	without	without	IN
43297	816	31	the	the	DT
43297	816	32	remaining	remain	VBG
43297	816	33	ingredients	ingredient	NNS
43297	816	34	being	be	VBG
43297	816	35	attacked	attack	VBN
43297	816	36	or	or	CC
43297	816	37	corroded	corrode	VBN
43297	816	38	sufficiently	sufficiently	RB
43297	816	39	to	to	TO
43297	816	40	cause	cause	VB
43297	816	41	the	the	DT
43297	816	42	ware	ware	NN
43297	816	43	to	to	TO
43297	816	44	lose	lose	VB
43297	816	45	its	-PRON-	PRP$
43297	816	46	shape	shape	NN
43297	816	47	.	.	.
43297	817	1	As	as	IN
43297	817	2	the	the	DT
43297	817	3	temperature	temperature	NN
43297	817	4	inside	inside	IN
43297	817	5	a	a	DT
43297	817	6	potter	potter	NN
43297	817	7	's	's	POS
43297	817	8	kiln	kiln	NN
43297	817	9	is	be	VBZ
43297	817	10	continually	continually	RB
43297	817	11	rising	rise	VBG
43297	817	12	,	,	,
43297	817	13	the	the	DT
43297	817	14	great	great	JJ
43297	817	15	tendency	tendency	NN
43297	817	16	is	be	VBZ
43297	817	17	for	for	IN
43297	817	18	the	the	DT
43297	817	19	production	production	NN
43297	817	20	of	of	IN
43297	817	21	fused	fuse	VBN
43297	817	22	material	material	NN
43297	817	23	to	to	TO
43297	817	24	take	take	VB
43297	817	25	place	place	NN
43297	817	26	at	at	IN
43297	817	27	an	an	DT
43297	817	28	ever	ever	RB
43297	817	29	-	-	HYPH
43297	817	30	increasing	increase	VBG
43297	817	31	rate	rate	NN
43297	817	32	,	,	,
43297	817	33	so	so	IN
43297	817	34	that	that	IN
43297	817	35	the	the	DT
43297	817	36	danger	danger	NN
43297	817	37	of	of	IN
43297	817	38	warping	warping	NN
43297	817	39	becomes	become	VBZ
43297	817	40	greater	great	JJR
43297	817	41	as	as	IN
43297	817	42	the	the	DT
43297	817	43	firing	firing	NN
43297	817	44	nears	near	VBZ
43297	817	45	completion	completion	NN
43297	817	46	.	.	.
43297	818	1	Some	some	DT
43297	818	2	clays	clay	NNS
43297	818	3	commence	commence	VBP
43297	818	4	to	to	TO
43297	818	5	vitrify	vitrify	VB
43297	818	6	at	at	IN
43297	818	7	a	a	DT
43297	818	8	moderate	moderate	JJ
43297	818	9	temperature	temperature	NN
43297	818	10	and	and	CC
43297	818	11	can	can	MD
43297	818	12	be	be	VB
43297	818	13	heated	heat	VBN
43297	818	14	through	through	IN
43297	818	15	a	a	DT
43297	818	16	long	long	JJ
43297	818	17	range	range	NN
43297	818	18	of	of	IN
43297	818	19	temperature	temperature	NN
43297	818	20	before	before	IN
43297	818	21	an	an	DT
43297	818	22	appreciable	appreciable	JJ
43297	818	23	amount	amount	NN
43297	818	24	of	of	IN
43297	818	25	warping	warping	NN
43297	818	26	occurs	occur	VBZ
43297	818	27	;	;	:
43297	818	28	such	such	JJ
43297	818	29	clays	clay	NNS
43297	818	30	are	be	VBP
43297	818	31	said	say	VBN
43297	818	32	to	to	TO
43297	818	33	possess	possess	VB
43297	818	34	a	a	DT
43297	818	35	'	'	``
43297	818	36	long	long	JJ
43297	818	37	range	range	NN
43297	818	38	of	of	IN
43297	818	39	vitrification	vitrification	NN
43297	818	40	'	'	''
43297	818	41	(	(	-LRB-
43297	818	42	p.	p.	NN
43297	818	43	38	38	CD
43297	818	44	)	)	-RRB-
43297	818	45	.	.	.
43297	819	1	In	in	IN
43297	819	2	other	other	JJ
43297	819	3	clays	clay	NNS
43297	819	4	the	the	DT
43297	819	5	difference	difference	NN
43297	819	6	between	between	IN
43297	819	7	the	the	DT
43297	819	8	temperature	temperature	NN
43297	819	9	at	at	IN
43297	819	10	which	which	WDT
43297	819	11	vitrification	vitrification	NN
43297	819	12	commences	commence	NNS
43297	819	13	and	and	CC
43297	819	14	that	that	IN
43297	819	15	at	at	IN
43297	819	16	which	which	WDT
43297	819	17	loss	loss	NN
43297	819	18	of	of	IN
43297	819	19	shape	shape	NN
43297	819	20	occurs	occur	VBZ
43297	819	21	is	be	VBZ
43297	819	22	only	only	RB
43297	819	23	a	a	DT
43297	819	24	few	few	JJ
43297	819	25	degrees	degree	NNS
43297	819	26	;	;	:
43297	819	27	such	such	JJ
43297	819	28	clays	clay	NNS
43297	819	29	are	be	VBP
43297	819	30	useless	useless	JJ
43297	819	31	for	for	IN
43297	819	32	the	the	DT
43297	819	33	manufacture	manufacture	NN
43297	819	34	of	of	IN
43297	819	35	stoneware	stoneware	NN
43297	819	36	,	,	,
43297	819	37	as	as	IN
43297	819	38	their	-PRON-	PRP$
43297	819	39	vitrification	vitrification	NN
43297	819	40	range	range	NN
43297	819	41	is	be	VBZ
43297	819	42	too	too	RB
43297	819	43	short	short	JJ
43297	819	44	.	.	.
43297	820	1	It	-PRON-	PRP
43297	820	2	is	be	VBZ
43297	820	3	therefore	therefore	RB
43297	820	4	essential	essential	JJ
43297	820	5	that	that	IN
43297	820	6	,	,	,
43297	820	7	for	for	IN
43297	820	8	the	the	DT
43297	820	9	manufacture	manufacture	NN
43297	820	10	of	of	IN
43297	820	11	stoneware	stoneware	NN
43297	820	12	,	,	,
43297	820	13	a	a	DT
43297	820	14	clay	clay	NN
43297	820	15	should	should	MD
43297	820	16	contain	contain	VB
43297	820	17	a	a	DT
43297	820	18	large	large	JJ
43297	820	19	proportion	proportion	NN
43297	820	20	of	of	IN
43297	820	21	refractory	refractory	JJ
43297	820	22	material	material	NN
43297	820	23	which	which	WDT
43297	820	24	will	will	MD
43297	820	25	form	form	VB
43297	820	26	a	a	DT
43297	820	27	'	'	``
43297	820	28	skeleton	skeleton	NN
43297	820	29	,	,	,
43297	820	30	'	'	''
43297	820	31	the	the	DT
43297	820	32	interstices	interstice	NNS
43297	820	33	of	of	IN
43297	820	34	which	which	WDT
43297	820	35	will	will	MD
43297	820	36	be	be	VB
43297	820	37	filled	fill	VBN
43297	820	38	by	by	IN
43297	820	39	the	the	DT
43297	820	40	more	more	RBR
43297	820	41	fusible	fusible	JJ
43297	820	42	silicates	silicate	NNS
43297	820	43	produced	produce	VBN
43297	820	44	by	by	IN
43297	820	45	the	the	DT
43297	820	46	firing	firing	NN
43297	820	47	.	.	.
43297	821	1	It	-PRON-	PRP
43297	821	2	is	be	VBZ
43297	821	3	generally	generally	RB
43297	821	4	found	find	VBN
43297	821	5	that	that	DT
43297	821	6	of	of	IN
43297	821	7	all	all	PDT
43297	821	8	the	the	DT
43297	821	9	fluxes	flux	NNS
43297	821	10	present	present	JJ
43297	821	11	in	in	IN
43297	821	12	vitrifiable	vitrifiable	JJ
43297	821	13	clays	clay	NNS
43297	821	14	,	,	,
43297	821	15	soda	soda	NN
43297	821	16	and	and	CC
43297	821	17	potash	potash	NN
43297	821	18	compounds	compound	NNS
43297	821	19	--	--	:
43297	821	20	the	the	DT
43297	821	21	so	so	RB
43297	821	22	-	-	HYPH
43297	821	23	called	call	VBN
43297	821	24	'	'	''
43297	821	25	alkalies'--and	alkalies'--and	CD
43297	821	26	all	all	DT
43297	821	27	lime	lime	NN
43297	821	28	compounds	compound	NNS
43297	821	29	are	be	VBP
43297	821	30	the	the	DT
43297	821	31	most	most	RBS
43297	821	32	detrimental	detrimental	JJ
43297	821	33	,	,	,
43297	821	34	as	as	IN
43297	821	35	in	in	IN
43297	821	36	association	association	NN
43297	821	37	with	with	IN
43297	821	38	clay	clay	NN
43297	821	39	they	-PRON-	PRP
43297	821	40	form	form	VBP
43297	821	41	a	a	DT
43297	821	42	material	material	NN
43297	821	43	with	with	IN
43297	821	44	a	a	DT
43297	821	45	very	very	RB
43297	821	46	short	short	JJ
43297	821	47	range	range	NN
43297	821	48	of	of	IN
43297	821	49	vitrification	vitrification	NN
43297	821	50	.	.	.
43297	822	1	Magnesia	Magnesia	NNP
43297	822	2	,	,	,
43297	822	3	on	on	IN
43297	822	4	the	the	DT
43297	822	5	contrary	contrary	NN
43297	822	6	,	,	,
43297	822	7	accompanies	accompany	VBZ
43297	822	8	a	a	DT
43297	822	9	long	long	JJ
43297	822	10	vitrification	vitrification	NN
43297	822	11	range	range	NN
43297	822	12	.	.	.
43297	823	1	The	the	DT
43297	823	2	clays	clay	NNS
43297	823	3	used	use	VBN
43297	823	4	in	in	IN
43297	823	5	Great	Great	NNP
43297	823	6	Britain	Britain	NNP
43297	823	7	for	for	IN
43297	823	8	the	the	DT
43297	823	9	manufacture	manufacture	NN
43297	823	10	of	of	IN
43297	823	11	the	the	DT
43297	823	12	best	good	JJS
43297	823	13	stoneware	stoneware	NN
43297	823	14	are	be	VBP
43297	823	15	the	the	DT
43297	823	16	Devonshire	Devonshire	NNP
43297	823	17	and	and	CC
43297	823	18	Dorset	Dorset	NNP
43297	823	19	ball	ball	NN
43297	823	20	clays	clay	NNS
43297	823	21	,	,	,
43297	823	22	the	the	DT
43297	823	23	upper	upper	JJ
43297	823	24	portions	portion	NNS
43297	823	25	of	of	IN
43297	823	26	these	these	DT
43297	823	27	deposits	deposit	NNS
43297	823	28	being	be	VBG
43297	823	29	used	use	VBN
43297	823	30	for	for	IN
43297	823	31	this	this	DT
43297	823	32	purpose	purpose	NN
43297	823	33	as	as	IN
43297	823	34	they	-PRON-	PRP
43297	823	35	are	be	VBP
43297	823	36	somewhat	somewhat	RB
43297	823	37	less	less	RBR
43297	823	38	pure	pure	JJ
43297	823	39	than	than	IN
43297	823	40	the	the	DT
43297	823	41	lower	low	JJR
43297	823	42	portions	portion	NNS
43297	823	43	used	use	VBN
43297	823	44	in	in	IN
43297	823	45	the	the	DT
43297	823	46	manufacture	manufacture	NN
43297	823	47	of	of	IN
43297	823	48	white	white	JJ
43297	823	49	ware	ware	NN
43297	823	50	.	.	.
43297	824	1	For	for	IN
43297	824	2	coarser	coarser	NN
43297	824	3	grades	grade	NNS
43297	824	4	of	of	IN
43297	824	5	stoneware	stoneware	NN
43297	824	6	,	,	,
43297	824	7	clays	clay	NNS
43297	824	8	of	of	IN
43297	824	9	other	other	JJ
43297	824	10	geological	geological	JJ
43297	824	11	formations	formation	NNS
43297	824	12	are	be	VBP
43297	824	13	employed	employ	VBN
43297	824	14	,	,	,
43297	824	15	especially	especially	RB
43297	824	16	where	where	WRB
43297	824	17	the	the	DT
43297	824	18	finished	finish	VBN
43297	824	19	ware	ware	NN
43297	824	20	may	may	MD
43297	824	21	be	be	VB
43297	824	22	coloured	colour	VBN
43297	824	23	,	,	,
43297	824	24	as	as	IN
43297	824	25	the	the	DT
43297	824	26	purity	purity	NN
43297	824	27	of	of	IN
43297	824	28	the	the	DT
43297	824	29	clay	clay	NN
43297	824	30	is	be	VBZ
43297	824	31	of	of	IN
43297	824	32	less	less	JJR
43297	824	33	importance	importance	NN
43297	824	34	.	.	.
43297	825	1	Providing	provide	VBG
43297	825	2	a	a	DT
43297	825	3	clay	clay	NN
43297	825	4	has	have	VBZ
43297	825	5	a	a	DT
43297	825	6	sufficiently	sufficiently	RB
43297	825	7	long	long	JJ
43297	825	8	vitrification	vitrification	NN
43297	825	9	range	range	NN
43297	825	10	,	,	,
43297	825	11	a	a	DT
43297	825	12	suitable	suitable	JJ
43297	825	13	colour	colour	NN
43297	825	14	when	when	WRB
43297	825	15	burned	burn	VBN
43297	825	16	,	,	,
43297	825	17	and	and	CC
43297	825	18	that	that	IN
43297	825	19	it	-PRON-	PRP
43297	825	20	is	be	VBZ
43297	825	21	capable	capable	JJ
43297	825	22	of	of	IN
43297	825	23	being	be	VBG
43297	825	24	readily	readily	RB
43297	825	25	formed	form	VBN
43297	825	26	into	into	IN
43297	825	27	the	the	DT
43297	825	28	desired	desire	VBN
43297	825	29	shapes	shape	NNS
43297	825	30	,	,	,
43297	825	31	its	-PRON-	PRP$
43297	825	32	composition	composition	NN
43297	825	33	and	and	CC
43297	825	34	origin	origin	NN
43297	825	35	are	be	VBP
43297	825	36	of	of	IN
43297	825	37	small	small	JJ
43297	825	38	importance	importance	NN
43297	825	39	to	to	IN
43297	825	40	the	the	DT
43297	825	41	stoneware	stoneware	NN
43297	825	42	manufacturer	manufacturer	NN
43297	825	43	.	.	.
43297	826	1	In	in	IN
43297	826	2	actual	actual	JJ
43297	826	3	practice	practice	NN
43297	826	4	,	,	,
43297	826	5	however	however	RB
43297	826	6	,	,	,
43297	826	7	the	the	DT
43297	826	8	number	number	NN
43297	826	9	of	of	IN
43297	826	10	sources	source	NNS
43297	826	11	of	of	IN
43297	826	12	good	good	JJ
43297	826	13	stoneware	stoneware	NN
43297	826	14	clay	clay	NN
43297	826	15	is	be	VBZ
43297	826	16	distinctly	distinctly	RB
43297	826	17	limited	limited	JJ
43297	826	18	,	,	,
43297	826	19	and	and	CC
43297	826	20	many	many	JJ
43297	826	21	manufacturers	manufacturer	NNS
43297	826	22	are	be	VBP
43297	826	23	thus	thus	RB
43297	826	24	compelled	compel	VBN
43297	826	25	to	to	TO
43297	826	26	add	add	VB
43297	826	27	suitable	suitable	JJ
43297	826	28	fluxes	flux	NNS
43297	826	29	to	to	IN
43297	826	30	refractory	refractory	JJ
43297	826	31	clays	clay	NNS
43297	826	32	in	in	IN
43297	826	33	order	order	NN
43297	826	34	to	to	TO
43297	826	35	meet	meet	VB
43297	826	36	some	some	DT
43297	826	37	of	of	IN
43297	826	38	their	-PRON-	PRP$
43297	826	39	customers	customer	NNS
43297	826	40	'	'	POS
43297	826	41	requirements	requirement	NNS
43297	826	42	.	.	.
43297	827	1	For	for	IN
43297	827	2	this	this	DT
43297	827	3	purpose	purpose	NN
43297	827	4	a	a	DT
43297	827	5	mixture	mixture	NN
43297	827	6	of	of	IN
43297	827	7	fireclay	fireclay	NN
43297	827	8	with	with	IN
43297	827	9	finely	finely	RB
43297	827	10	powdered	powder	VBN
43297	827	11	felspar	felspar	NNS
43297	827	12	or	or	CC
43297	827	13	Cornish	cornish	JJ
43297	827	14	stone	stone	NN
43297	827	15	is	be	VBZ
43297	827	16	used	use	VBN
43297	827	17	.	.	.
43297	828	1	Chalk	chalk	NN
43297	828	2	--	--	:
43297	828	3	which	which	WDT
43297	828	4	is	be	VBZ
43297	828	5	a	a	DT
43297	828	6	cheaper	cheap	JJR
43297	828	7	and	and	CC
43297	828	8	more	more	RBR
43297	828	9	powerful	powerful	JJ
43297	828	10	flux	flux	NN
43297	828	11	--	--	:
43297	828	12	or	or	CC
43297	828	13	powdered	powder	VBN
43297	828	14	glass	glass	NN
43297	828	15	can	can	MD
43297	828	16	not	not	RB
43297	828	17	be	be	VB
43297	828	18	used	use	VBN
43297	828	19	as	as	IN
43297	828	20	the	the	DT
43297	828	21	range	range	NN
43297	828	22	of	of	IN
43297	828	23	vitrification	vitrification	NN
43297	828	24	of	of	IN
43297	828	25	the	the	DT
43297	828	26	mixture	mixture	NN
43297	828	27	would	would	MD
43297	828	28	be	be	VB
43297	828	29	too	too	RB
43297	828	30	short	short	JJ
43297	828	31	.	.	.
43297	829	1	Some	some	DT
43297	829	2	manufacturers	manufacturer	NNS
43297	829	3	take	take	VBP
43297	829	4	the	the	DT
43297	829	5	opposite	opposite	JJ
43297	829	6	course	course	NN
43297	829	7	and	and	CC
43297	829	8	add	add	VB
43297	829	9	fireclay	fireclay	NN
43297	829	10	,	,	,
43297	829	11	flint	flint	NN
43297	829	12	,	,	,
43297	829	13	or	or	CC
43297	829	14	other	other	JJ
43297	829	15	refractory	refractory	JJ
43297	829	16	material	material	NN
43297	829	17	to	to	IN
43297	829	18	a	a	DT
43297	829	19	readily	readily	RB
43297	829	20	fusible	fusible	JJ
43297	829	21	clay	clay	NN
43297	829	22	.	.	.
43297	830	1	This	this	DT
43297	830	2	is	be	VBZ
43297	830	3	satisfactory	satisfactory	JJ
43297	830	4	if	if	IN
43297	830	5	the	the	DT
43297	830	6	latter	latter	JJ
43297	830	7	clay	clay	NN
43297	830	8	is	be	VBZ
43297	830	9	relatively	relatively	RB
43297	830	10	low	low	JJ
43297	830	11	in	in	IN
43297	830	12	lime	lime	NN
43297	830	13	and	and	CC
43297	830	14	owes	owe	VBZ
43297	830	15	its	-PRON-	PRP$
43297	830	16	fusibility	fusibility	NN
43297	830	17	to	to	IN
43297	830	18	potash	potash	NN
43297	830	19	,	,	,
43297	830	20	soda	soda	NNP
43297	830	21	or	or	CC
43297	830	22	magnesia	magnesia	NN
43297	830	23	in	in	IN
43297	830	24	the	the	DT
43297	830	25	form	form	NN
43297	830	26	of	of	IN
43297	830	27	mica	mica	NNP
43297	830	28	or	or	CC
43297	830	29	felspar	felspar	NNP
43297	830	30	.	.	.
43297	831	1	The	the	DT
43297	831	2	mica	mica	JJ
43297	831	3	and	and	CC
43297	831	4	felspar	felspar	JJ
43297	831	5	grains	grain	NNS
43297	831	6	enter	enter	VBP
43297	831	7	so	so	RB
43297	831	8	slowly	slowly	RB
43297	831	9	into	into	IN
43297	831	10	combination	combination	NN
43297	831	11	with	with	IN
43297	831	12	the	the	DT
43297	831	13	clay	clay	NN
43297	831	14	that	that	IN
43297	831	15	a	a	DT
43297	831	16	long	long	JJ
43297	831	17	range	range	NN
43297	831	18	of	of	IN
43297	831	19	vitrification	vitrification	NN
43297	831	20	occurs	occur	VBZ
43297	831	21	,	,	,
43297	831	22	whereas	whereas	IN
43297	831	23	with	with	IN
43297	831	24	lime	lime	NN
43297	831	25	,	,	,
43297	831	26	or	or	CC
43297	831	27	with	with	IN
43297	831	28	some	some	DT
43297	831	29	other	other	JJ
43297	831	30	soda	soda	NN
43297	831	31	and	and	CC
43297	831	32	potash	potash	NN
43297	831	33	compounds	compound	NNS
43297	831	34	,	,	,
43297	831	35	the	the	DT
43297	831	36	combination	combination	NN
43297	831	37	occurs	occur	VBZ
43297	831	38	with	with	IN
43297	831	39	great	great	JJ
43297	831	40	rapidity	rapidity	NN
43297	831	41	and	and	CC
43297	831	42	the	the	DT
43297	831	43	shape	shape	NN
43297	831	44	of	of	IN
43297	831	45	the	the	DT
43297	831	46	ware	ware	NN
43297	831	47	is	be	VBZ
43297	831	48	spoiled	spoil	VBN
43297	831	49	.	.	.
43297	832	1	The	the	DT
43297	832	2	=	=	SYM
43297	832	3	refractory	refractory	NN
43297	832	4	clays=	clays=	NN
43297	832	5	are	be	VBP
43297	832	6	commonly	commonly	RB
43297	832	7	known	know	VBN
43297	832	8	as	as	IN
43297	832	9	_	_	NNP
43297	832	10	fireclays	fireclay	VBZ
43297	832	11	_	_	NNP
43297	832	12	on	on	IN
43297	832	13	account	account	NN
43297	832	14	of	of	IN
43297	832	15	their	-PRON-	PRP$
43297	832	16	resistance	resistance	NN
43297	832	17	to	to	TO
43297	832	18	heat	heat	VB
43297	832	19	.	.	.
43297	833	1	The	the	DT
43297	833	2	china	china	NNP
43297	833	3	clays	clay	NNS
43297	833	4	and	and	CC
43297	833	5	kaolins	kaolins	NNP
43297	833	6	are	be	VBP
43297	833	7	also	also	RB
43297	833	8	refractory	refractory	JJ
43297	833	9	,	,	,
43297	833	10	but	but	CC
43297	833	11	are	be	VBP
43297	833	12	too	too	RB
43297	833	13	expensive	expensive	JJ
43297	833	14	and	and	CC
43297	833	15	are	be	VBP
43297	833	16	not	not	RB
43297	833	17	sufficiently	sufficiently	RB
43297	833	18	plastic	plastic	NN
43297	833	19	to	to	TO
43297	833	20	be	be	VB
43297	833	21	used	use	VBN
43297	833	22	commercially	commercially	RB
43297	833	23	in	in	IN
43297	833	24	the	the	DT
43297	833	25	same	same	JJ
43297	833	26	manner	manner	NN
43297	833	27	as	as	IN
43297	833	28	fireclays	fireclay	NNS
43297	833	29	,	,	,
43297	833	30	except	except	IN
43297	833	31	to	to	IN
43297	833	32	a	a	DT
43297	833	33	very	very	RB
43297	833	34	limited	limited	JJ
43297	833	35	extent	extent	NN
43297	833	36	,	,	,
43297	833	37	though	though	IN
43297	833	38	bricks	brick	NNS
43297	833	39	have	have	VBP
43297	833	40	been	be	VBN
43297	833	41	made	make	VBN
43297	833	42	for	for	IN
43297	833	43	many	many	JJ
43297	833	44	years	year	NNS
43297	833	45	from	from	IN
43297	833	46	the	the	DT
43297	833	47	inferior	inferior	JJ
43297	833	48	portions	portion	NNS
43297	833	49	of	of	IN
43297	833	50	china	china	NNP
43297	833	51	clay	clay	NN
43297	833	52	rock	rock	NN
43297	833	53	at	at	IN
43297	833	54	Tregoning	Tregoning	NNP
43297	833	55	Hill	Hill	NNP
43297	833	56	in	in	IN
43297	833	57	Cornwall	Cornwall	NNP
43297	833	58	.	.	.
43297	834	1	The	the	DT
43297	834	2	geological	geological	JJ
43297	834	3	occurrence	occurrence	NN
43297	834	4	of	of	IN
43297	834	5	the	the	DT
43297	834	6	fireclays	fireclay	NNS
43297	834	7	of	of	IN
43297	834	8	the	the	DT
43297	834	9	Coal	Coal	NNP
43297	834	10	Measures	Measures	NNPS
43297	834	11	has	have	VBZ
43297	834	12	already	already	RB
43297	834	13	been	be	VBN
43297	834	14	described	describe	VBN
43297	834	15	on	on	IN
43297	834	16	p.	p.	NN
43297	834	17	53	53	CD
43297	834	18	.	.	.
43297	835	1	In	in	IN
43297	835	2	addition	addition	NN
43297	835	3	,	,	,
43297	835	4	there	there	EX
43297	835	5	are	be	VBP
43297	835	6	the	the	DT
43297	835	7	refractory	refractory	JJ
43297	835	8	clays	clay	NNS
43297	835	9	occurring	occur	VBG
43297	835	10	in	in	IN
43297	835	11	pockets	pocket	NNS
43297	835	12	or	or	CC
43297	835	13	depressions	depression	NNS
43297	835	14	in	in	IN
43297	835	15	the	the	DT
43297	835	16	Mountain	Mountain	NNP
43297	835	17	Limestone	Limestone	NNP
43297	835	18	of	of	IN
43297	835	19	North	North	NNP
43297	835	20	Wales	Wales	NNP
43297	835	21	,	,	,
43297	835	22	Staffordshire	Staffordshire	NNP
43297	835	23	,	,	,
43297	835	24	Derbyshire	Derbyshire	NNP
43297	835	25	and	and	CC
43297	835	26	Ireland	Ireland	NNP
43297	835	27	,	,	,
43297	835	28	which	which	WDT
43297	835	29	consist	consist	VBP
43297	835	30	of	of	IN
43297	835	31	siliceous	siliceous	JJ
43297	835	32	clays	clay	NNS
43297	835	33	and	and	CC
43297	835	34	sands	sand	NNS
43297	835	35	,	,	,
43297	835	36	the	the	DT
43297	835	37	insoluble	insoluble	JJ
43297	835	38	residue	residue	NN
43297	835	39	of	of	IN
43297	835	40	the	the	DT
43297	835	41	local	local	JJ
43297	835	42	dissolution	dissolution	NN
43297	835	43	of	of	IN
43297	835	44	the	the	DT
43297	835	45	limestone	limestone	NN
43297	835	46	,	,	,
43297	835	47	intermixed	intermix	VBN
43297	835	48	with	with	IN
43297	835	49	the	the	DT
43297	835	50	débris	débris	NN
43297	835	51	of	of	IN
43297	835	52	the	the	DT
43297	835	53	overlying	overlie	VBG
43297	835	54	Millstone	Millstone	NNP
43297	835	55	Grit	Grit	NNP
43297	835	56	(	(	-LRB-
43297	835	57	see	see	VB
43297	835	58	p.	p.	NN
43297	835	59	54	54	CD
43297	835	60	)	)	-RRB-
43297	835	61	.	.	.
43297	836	1	These	these	DT
43297	836	2	clays	clay	NNS
43297	836	3	and	and	CC
43297	836	4	sands	sand	NNS
43297	836	5	can	can	MD
43297	836	6	be	be	VB
43297	836	7	mixed	mix	VBN
43297	836	8	to	to	TO
43297	836	9	produce	produce	VB
43297	836	10	bricks	brick	NNS
43297	836	11	of	of	IN
43297	836	12	remarkably	remarkably	RB
43297	836	13	low	low	JJ
43297	836	14	shrinkage	shrinkage	NN
43297	836	15	,	,	,
43297	836	16	but	but	CC
43297	836	17	the	the	DT
43297	836	18	pockets	pocket	NNS
43297	836	19	are	be	VBP
43297	836	20	only	only	RB
43297	836	21	large	large	JJ
43297	836	22	enough	enough	RB
43297	836	23	to	to	TO
43297	836	24	enable	enable	VB
43297	836	25	comparatively	comparatively	RB
43297	836	26	small	small	JJ
43297	836	27	works	work	NNS
43297	836	28	to	to	TO
43297	836	29	be	be	VB
43297	836	30	erected	erect	VBN
43297	836	31	and	and	CC
43297	836	32	the	the	DT
43297	836	33	clays	clay	NNS
43297	836	34	are	be	VBP
43297	836	35	so	so	RB
43297	836	36	irregular	irregular	JJ
43297	836	37	both	both	CC
43297	836	38	in	in	IN
43297	836	39	composition	composition	NN
43297	836	40	and	and	CC
43297	836	41	distribution	distribution	NN
43297	836	42	as	as	IN
43297	836	43	to	to	TO
43297	836	44	render	render	VB
43297	836	45	their	-PRON-	PRP$
43297	836	46	use	use	NN
43297	836	47	somewhat	somewhat	RB
43297	836	48	speculative	speculative	JJ
43297	836	49	.	.	.
43297	837	1	A	a	DT
43297	837	2	third	third	JJ
43297	837	3	type	type	NN
43297	837	4	of	of	IN
43297	837	5	refractory	refractory	NN
43297	837	6	clay	clay	NN
43297	837	7	--	--	:
43297	837	8	termed	term	VBN
43297	837	9	_	_	NNP
43297	837	10	flint	flint	NN
43297	837	11	clay_--is	clay_--is	NNP
43297	837	12	used	use	VBN
43297	837	13	in	in	IN
43297	837	14	large	large	JJ
43297	837	15	quantities	quantity	NNS
43297	837	16	in	in	IN
43297	837	17	the	the	DT
43297	837	18	United	United	NNP
43297	837	19	States	States	NNP
43297	837	20	,	,	,
43297	837	21	but	but	CC
43297	837	22	is	be	VBZ
43297	837	23	seldom	seldom	RB
43297	837	24	found	find	VBN
43297	837	25	in	in	IN
43297	837	26	Great	Great	NNP
43297	837	27	Britain	Britain	NNP
43297	837	28	.	.	.
43297	838	1	When	when	WRB
43297	838	2	moistened	moisten	VBN
43297	838	3	,	,	,
43297	838	4	flint	flint	NN
43297	838	5	clays	clay	NNS
43297	838	6	do	do	VBP
43297	838	7	not	not	RB
43297	838	8	soften	soften	VB
43297	838	9	,	,	,
43297	838	10	but	but	CC
43297	838	11	remain	remain	VBP
43297	838	12	hard	hard	JJ
43297	838	13	and	and	CC
43297	838	14	flint	flint	JJ
43297	838	15	-	-	HYPH
43297	838	16	like	like	JJ
43297	838	17	with	with	IN
43297	838	18	a	a	DT
43297	838	19	smooth	smooth	JJ
43297	838	20	shell	shell	NN
43297	838	21	-	-	HYPH
43297	838	22	like	like	JJ
43297	838	23	fracture	fracture	NN
43297	838	24	.	.	.
43297	839	1	For	for	IN
43297	839	2	use	use	NN
43297	839	3	they	-PRON-	PRP
43297	839	4	are	be	VBP
43297	839	5	ground	grind	VBN
43297	839	6	extremely	extremely	RB
43297	839	7	fine	fine	JJ
43297	839	8	,	,	,
43297	839	9	but	but	CC
43297	839	10	even	even	RB
43297	839	11	then	then	RB
43297	839	12	they	-PRON-	PRP
43297	839	13	develop	develop	VBP
43297	839	14	little	little	JJ
43297	839	15	plasticity	plasticity	NN
43297	839	16	.	.	.
43297	840	1	They	-PRON-	PRP
43297	840	2	are	be	VBP
43297	840	3	considered	consider	VBN
43297	840	4	by	by	IN
43297	840	5	Ries	Ries	NNP
43297	840	6	(	(	-LRB-
43297	840	7	6	6	CD
43297	840	8	)	)	-RRB-
43297	840	9	to	to	TO
43297	840	10	have	have	VB
43297	840	11	been	be	VBN
43297	840	12	formed	form	VBN
43297	840	13	by	by	IN
43297	840	14	solution	solution	NN
43297	840	15	and	and	CC
43297	840	16	re	re	NN
43297	840	17	-	-	NN
43297	840	18	precipitation	precipitation	NN
43297	840	19	of	of	IN
43297	840	20	the	the	DT
43297	840	21	clay	clay	NN
43297	840	22	subsequent	subsequent	JJ
43297	840	23	to	to	IN
43297	840	24	its	-PRON-	PRP$
43297	840	25	primary	primary	JJ
43297	840	26	formation	formation	NN
43297	840	27	,	,	,
43297	840	28	in	in	IN
43297	840	29	a	a	DT
43297	840	30	manner	manner	NN
43297	840	31	similar	similar	JJ
43297	840	32	to	to	TO
43297	840	33	flint	flint	VB
43297	840	34	.	.	.
43297	841	1	They	-PRON-	PRP
43297	841	2	are	be	VBP
43297	841	3	somewhat	somewhat	RB
43297	841	4	rich	rich	JJ
43297	841	5	in	in	IN
43297	841	6	alumina	alumina	NNP
43297	841	7	and	and	CC
43297	841	8	many	many	JJ
43297	841	9	contain	contain	VBP
43297	841	10	crystals	crystal	NNS
43297	841	11	of	of	IN
43297	841	12	pholerite	pholerite	JJ
43297	841	13	(	(	-LRB-
43297	841	14	Al2O3·2SiO2·3H2O	al2o3·2sio2·3h2o	NN
43297	841	15	)	)	-RRB-
43297	841	16	.	.	.
43297	842	1	The	the	DT
43297	842	2	Coal	Coal	NNP
43297	842	3	Measure	measure	NN
43297	842	4	fireclays	fireclay	VBZ
43297	842	5	(	(	-LRB-
43297	842	6	p.	p.	NN
43297	842	7	53)--which	53)--which	CD
43297	842	8	are	be	VBP
43297	842	9	by	by	IN
43297	842	10	far	far	RB
43297	842	11	the	the	DT
43297	842	12	most	most	RBS
43297	842	13	important	important	JJ
43297	842	14	--	--	:
43297	842	15	are	be	VBP
43297	842	16	divided	divide	VBN
43297	842	17	into	into	IN
43297	842	18	two	two	CD
43297	842	19	sections	section	NNS
43297	842	20	by	by	IN
43297	842	21	the	the	DT
43297	842	22	coal	coal	NN
43297	842	23	seams	seam	VBZ
43297	842	24	,	,	,
43297	842	25	those	those	DT
43297	842	26	above	above	IN
43297	842	27	the	the	DT
43297	842	28	coal	coal	NN
43297	842	29	being	be	VBG
43297	842	30	shaly	shaly	NN
43297	842	31	and	and	CC
43297	842	32	fissile	fissile	NN
43297	842	33	in	in	IN
43297	842	34	structure	structure	NN
43297	842	35	whilst	whilst	IN
43297	842	36	those	those	DT
43297	842	37	below	below	IN
43297	842	38	(	(	-LRB-
43297	842	39	_	_	NNP
43297	842	40	underclays	underclays	NNP
43297	842	41	_	_	NNP
43297	842	42	)	)	-RRB-
43297	842	43	are	be	VBP
43297	842	44	without	without	IN
43297	842	45	any	any	DT
43297	842	46	distinct	distinct	JJ
43297	842	47	lamination	lamination	NN
43297	842	48	.	.	.
43297	843	1	Both	both	DT
43297	843	2	these	these	DT
43297	843	3	clays	clay	NNS
43297	843	4	may	may	MD
43297	843	5	be	be	VB
43297	843	6	equally	equally	RB
43297	843	7	refractory	refractory	JJ
43297	843	8	,	,	,
43297	843	9	but	but	CC
43297	843	10	the	the	DT
43297	843	11	underclays	underclay	NNS
43297	843	12	are	be	VBP
43297	843	13	those	those	DT
43297	843	14	to	to	TO
43297	843	15	which	which	WDT
43297	843	16	the	the	DT
43297	843	17	term	term	NN
43297	843	18	fireclay	fireclay	NN
43297	843	19	is	be	VBZ
43297	843	20	usually	usually	RB
43297	843	21	applied	apply	VBN
43297	843	22	.	.	.
43297	844	1	The	the	DT
43297	844	2	lowest	low	JJS
43297	844	3	portions	portion	NNS
43297	844	4	are	be	VBP
43297	844	5	usually	usually	RB
43297	844	6	more	more	RBR
43297	844	7	silicious	silicious	JJ
43297	844	8	and	and	CC
43297	844	9	in	in	IN
43297	844	10	some	some	DT
43297	844	11	areas	area	NNS
43297	844	12	are	be	VBP
43297	844	13	so	so	RB
43297	844	14	rich	rich	JJ
43297	844	15	in	in	IN
43297	844	16	silica	silica	NN
43297	844	17	as	as	IN
43297	844	18	to	to	TO
43297	844	19	be	be	VB
43297	844	20	more	more	RBR
43297	844	21	appropriately	appropriately	RB
43297	844	22	termed	term	VBN
43297	844	23	silica	silica	NNP
43297	844	24	rock	rock	NN
43297	844	25	or	or	CC
43297	844	26	_	_	NNP
43297	844	27	ganister	ganister	NN
43297	844	28	_	_	NNP
43297	844	29	.	.	.
43297	845	1	Fireclays	fireclay	NNS
43297	845	2	may	may	MD
43297	845	3	,	,	,
43297	845	4	in	in	IN
43297	845	5	fact	fact	NN
43297	845	6	,	,	,
43297	845	7	be	be	VB
43297	845	8	looked	look	VBN
43297	845	9	upon	upon	IN
43297	845	10	as	as	IN
43297	845	11	a	a	DT
43297	845	12	special	special	JJ
43297	845	13	term	term	NN
43297	845	14	for	for	IN
43297	845	15	the	the	DT
43297	845	16	grey	grey	JJ
43297	845	17	clays	clay	NNS
43297	845	18	of	of	IN
43297	845	19	the	the	DT
43297	845	20	Coal	Coal	NNP
43297	845	21	Measures	Measures	NNPS
43297	845	22	,	,	,
43297	845	23	interstratified	interstratify	VBN
43297	845	24	with	with	IN
43297	845	25	and	and	CC
43297	845	26	generally	generally	RB
43297	845	27	in	in	IN
43297	845	28	close	close	JJ
43297	845	29	proximity	proximity	NN
43297	845	30	to	to	IN
43297	845	31	the	the	DT
43297	845	32	seams	seam	NNS
43297	845	33	of	of	IN
43297	845	34	coal	coal	NN
43297	845	35	.	.	.
43297	846	1	They	-PRON-	PRP
43297	846	2	are	be	VBP
43297	846	3	known	know	VBN
43297	846	4	locally	locally	RB
43297	846	5	as	as	IN
43297	846	6	_	_	NNP
43297	846	7	clunches	clunche	VBZ
43297	846	8	_	_	NNP
43297	846	9	and	and	CC
43297	846	10	_	_	NNP
43297	846	11	underclays	underclay	NNS
43297	846	12	_	_	NNP
43297	846	13	and	and	CC
43297	846	14	were	be	VBD
43297	846	15	at	at	IN
43297	846	16	one	one	CD
43297	846	17	time	time	NN
43297	846	18	supposed	suppose	VBN
43297	846	19	to	to	TO
43297	846	20	represent	represent	VB
43297	846	21	the	the	DT
43297	846	22	soil	soil	NN
43297	846	23	that	that	WDT
43297	846	24	produced	produce	VBD
43297	846	25	the	the	DT
43297	846	26	vegetation	vegetation	NN
43297	846	27	from	from	IN
43297	846	28	which	which	WDT
43297	846	29	the	the	DT
43297	846	30	coal	coal	NN
43297	846	31	was	be	VBD
43297	846	32	formed	form	VBN
43297	846	33	,	,	,
43297	846	34	but	but	CC
43297	846	35	are	be	VBP
43297	846	36	now	now	RB
43297	846	37	considered	consider	VBN
43297	846	38	by	by	IN
43297	846	39	many	many	JJ
43297	846	40	authorities	authority	NNS
43297	846	41	to	to	TO
43297	846	42	be	be	VB
43297	846	43	of	of	IN
43297	846	44	estuarine	estuarine	JJ
43297	846	45	origin	origin	NN
43297	846	46	.	.	.
43297	847	1	It	-PRON-	PRP
43297	847	2	is	be	VBZ
43297	847	3	important	important	JJ
43297	847	4	to	to	TO
43297	847	5	notice	notice	VB
43297	847	6	that	that	IN
43297	847	7	whilst	whilst	IN
43297	847	8	the	the	DT
43297	847	9	coals	coal	NNS
43297	847	10	almost	almost	RB
43297	847	11	invariably	invariably	RB
43297	847	12	occur	occur	VBP
43297	847	13	in	in	IN
43297	847	14	association	association	NN
43297	847	15	with	with	IN
43297	847	16	underclays	underclay	NNS
43297	847	17	,	,	,
43297	847	18	some	some	DT
43297	847	19	fireclays	fireclay	NNS
43297	847	20	are	be	VBP
43297	847	21	found	find	VBN
43297	847	22	at	at	IN
43297	847	23	a	a	DT
43297	847	24	considerable	considerable	JJ
43297	847	25	distance	distance	NN
43297	847	26	from	from	IN
43297	847	27	coal	coal	NN
43297	847	28	.	.	.
43297	848	1	The	the	DT
43297	848	2	fireclays	fireclay	NNS
43297	848	3	of	of	IN
43297	848	4	the	the	DT
43297	848	5	Coal	Coal	NNP
43297	848	6	Measures	Measures	NNPS
43297	848	7	have	have	VBP
43297	848	8	a	a	DT
43297	848	9	composition	composition	NN
43297	848	10	varying	vary	VBG
43297	848	11	within	within	IN
43297	848	12	comparatively	comparatively	RB
43297	848	13	wide	wide	JJ
43297	848	14	limits	limit	NNS
43297	848	15	even	even	RB
43297	848	16	in	in	IN
43297	848	17	contiguous	contiguous	JJ
43297	848	18	strata	strata	NN
43297	848	19	;	;	:
43297	848	20	those	those	DT
43297	848	21	chiefly	chiefly	RB
43297	848	22	used	use	VBD
43297	848	23	having	have	VBG
43297	848	24	an	an	DT
43297	848	25	average	average	NN
43297	848	26	of	of	IN
43297	848	27	20	20	CD
43297	848	28	to	to	TO
43297	848	29	30	30	CD
43297	848	30	per	per	NN
43297	848	31	cent	cent	NN
43297	848	32	.	.	.
43297	849	1	of	of	IN
43297	849	2	alumina	alumina	NNP
43297	849	3	and	and	CC
43297	849	4	50	50	CD
43297	849	5	to	to	TO
43297	849	6	70	70	CD
43297	849	7	per	per	NN
43297	849	8	cent	cent	NN
43297	849	9	.	.	.
43297	850	1	of	of	IN
43297	850	2	silica	silica	NNP
43297	850	3	.	.	.
43297	851	1	They	-PRON-	PRP
43297	851	2	appear	appear	VBP
43297	851	3	to	to	TO
43297	851	4	consist	consist	VB
43297	851	5	of	of	IN
43297	851	6	a	a	DT
43297	851	7	mixture	mixture	NN
43297	851	8	of	of	IN
43297	851	9	clay	clay	NN
43297	851	10	and	and	CC
43297	851	11	quartz	quartz	NN
43297	851	12	with	with	IN
43297	851	13	a	a	DT
43297	851	14	small	small	JJ
43297	851	15	proportion	proportion	NN
43297	851	16	of	of	IN
43297	851	17	other	other	JJ
43297	851	18	minerals	mineral	NNS
43297	851	19	,	,	,
43297	851	20	but	but	CC
43297	851	21	in	in	IN
43297	851	22	some	some	DT
43297	851	23	of	of	IN
43297	851	24	them	-PRON-	PRP
43297	851	25	a	a	DT
43297	851	26	portion	portion	NN
43297	851	27	of	of	IN
43297	851	28	the	the	DT
43297	851	29	clay	clay	NN
43297	851	30	is	be	VBZ
43297	851	31	replaced	replace	VBN
43297	851	32	by	by	IN
43297	851	33	halloysite	halloysite	NNP
43297	851	34	--	--	:
43297	851	35	another	another	DT
43297	851	36	hydro	hydro	NNP
43297	851	37	-	-	HYPH
43297	851	38	alumino	alumino	NNP
43297	851	39	-	-	HYPH
43297	851	40	silicate	silicate	NN
43297	851	41	with	with	IN
43297	851	42	the	the	DT
43297	851	43	formula	formula	NN
43297	851	44	H6Al2Si2O10	H6Al2Si2O10	NNS
43297	851	45	or	or	CC
43297	851	46	Al2O3.2SiO2.3H2O.	Al2O3.2SiO2.3H2O.	.
43297	852	1	Their	-PRON-	PRP$
43297	852	2	grey	grey	JJ
43297	852	3	colour	colour	NN
43297	852	4	is	be	VBZ
43297	852	5	largely	largely	RB
43297	852	6	due	due	JJ
43297	852	7	to	to	IN
43297	852	8	vegetable	vegetable	NN
43297	852	9	(	(	-LRB-
43297	852	10	carbonaceous	carbonaceous	JJ
43297	852	11	)	)	-RRB-
43297	852	12	matter	matter	NN
43297	852	13	and	and	CC
43297	852	14	to	to	TO
43297	852	15	iron	iron	VB
43297	852	16	compounds	compound	NNS
43297	852	17	.	.	.
43297	853	1	The	the	DT
43297	853	2	latter	latter	JJ
43297	853	3	--	--	:
43297	853	4	usually	usually	RB
43297	853	5	in	in	IN
43297	853	6	the	the	DT
43297	853	7	form	form	NN
43297	853	8	of	of	IN
43297	853	9	pyrites	pyrite	NNS
43297	853	10	--	--	:
43297	853	11	is	be	VBZ
43297	853	12	detrimental	detrimental	JJ
43297	853	13	to	to	IN
43297	853	14	the	the	DT
43297	853	15	quality	quality	NN
43297	853	16	of	of	IN
43297	853	17	the	the	DT
43297	853	18	goods	good	NNS
43297	853	19	as	as	IN
43297	853	20	it	-PRON-	PRP
43297	853	21	forms	form	VBZ
43297	853	22	a	a	DT
43297	853	23	readily	readily	RB
43297	853	24	fusible	fusible	JJ
43297	853	25	slag	slag	NN
43297	853	26	.	.	.
43297	854	1	Unlike	unlike	IN
43297	854	2	the	the	DT
43297	854	3	iron	iron	NN
43297	854	4	in	in	IN
43297	854	5	red	red	JJ
43297	854	6	-	-	HYPH
43297	854	7	burning	burn	VBG
43297	854	8	clays	clay	NNS
43297	854	9	it	-PRON-	PRP
43297	854	10	can	can	MD
43297	854	11	seldom	seldom	RB
43297	854	12	be	be	VB
43297	854	13	completely	completely	RB
43297	854	14	oxidized	oxidize	VBN
43297	854	15	and	and	CC
43297	854	16	so	so	RB
43297	854	17	rendered	render	VBN
43297	854	18	harmless	harmless	JJ
43297	854	19	.	.	.
43297	855	1	The	the	DT
43297	855	2	fireclays	fireclay	NNS
43297	855	3	must	must	MD
43297	855	4	therefore	therefore	RB
43297	855	5	be	be	VB
43297	855	6	carefully	carefully	RB
43297	855	7	selected	select	VBN
43297	855	8	by	by	IN
43297	855	9	the	the	DT
43297	855	10	miners	miner	NNS
43297	855	11	.	.	.
43297	856	1	On	on	IN
43297	856	2	the	the	DT
43297	856	3	Continent	continent	NN
43297	856	4	,	,	,
43297	856	5	and	and	CC
43297	856	6	to	to	IN
43297	856	7	a	a	DT
43297	856	8	much	much	RB
43297	856	9	smaller	small	JJR
43297	856	10	extent	extent	NN
43297	856	11	in	in	IN
43297	856	12	Great	Great	NNP
43297	856	13	Britain	Britain	NNP
43297	856	14	,	,	,
43297	856	15	refractory	refractory	NN
43297	856	16	articles	article	NNS
43297	856	17	are	be	VBP
43297	856	18	made	make	VBN
43297	856	19	from	from	IN
43297	856	20	mixtures	mixture	NNS
43297	856	21	of	of	IN
43297	856	22	grog	grog	NNS
43297	856	23	or	or	CC
43297	856	24	burned	burn	VBD
43297	856	25	fireclay	fireclay	NNP
43297	856	26	with	with	IN
43297	856	27	just	just	RB
43297	856	28	sufficient	sufficient	JJ
43297	856	29	raw	raw	JJ
43297	856	30	clay	clay	NN
43297	856	31	to	to	TO
43297	856	32	form	form	VB
43297	856	33	a	a	DT
43297	856	34	mass	mass	NN
43297	856	35	of	of	IN
43297	856	36	the	the	DT
43297	856	37	required	require	VBN
43297	856	38	strength	strength	NN
43297	856	39	.	.	.
43297	857	1	For	for	IN
43297	857	2	this	this	DT
43297	857	3	purpose	purpose	NN
43297	857	4	a	a	DT
43297	857	5	highly	highly	RB
43297	857	6	plastic	plastic	JJ
43297	857	7	,	,	,
43297	857	8	refractory	refractory	NN
43297	857	9	clay	clay	NN
43297	857	10	is	be	VBZ
43297	857	11	required	require	VBN
43297	857	12	and	and	CC
43297	857	13	the	the	DT
43297	857	14	Tertiary	Tertiary	NNP
43297	857	15	ball	ball	NN
43297	857	16	clays	clay	NNS
43297	857	17	of	of	IN
43297	857	18	Devon	Devon	NNP
43297	857	19	and	and	CC
43297	857	20	Dorset	Dorset	NNP
43297	857	21	(	(	-LRB-
43297	857	22	p.	p.	NN
43297	857	23	64	64	CD
43297	857	24	)	)	-RRB-
43297	857	25	are	be	VBP
43297	857	26	particularly	particularly	RB
43297	857	27	suitable	suitable	JJ
43297	857	28	.	.	.
43297	858	1	The	the	DT
43297	858	2	most	most	RBS
43297	858	3	important	important	JJ
43297	858	4	characteristics	characteristic	NNS
43297	858	5	of	of	IN
43297	858	6	a	a	DT
43297	858	7	fireclay	fireclay	NN
43297	858	8	are	be	VBP
43297	858	9	that	that	IN
43297	858	10	it	-PRON-	PRP
43297	858	11	shall	shall	MD
43297	858	12	be	be	VB
43297	858	13	able	able	JJ
43297	858	14	to	to	TO
43297	858	15	resist	resist	VB
43297	858	16	any	any	DT
43297	858	17	temperature	temperature	NN
43297	858	18	to	to	TO
43297	858	19	which	which	WDT
43297	858	20	it	-PRON-	PRP
43297	858	21	may	may	MD
43297	858	22	be	be	VB
43297	858	23	exposed	expose	VBN
43297	858	24	and	and	CC
43297	858	25	that	that	IN
43297	858	26	the	the	DT
43297	858	27	articles	article	NNS
43297	858	28	into	into	IN
43297	858	29	which	which	WDT
43297	858	30	it	-PRON-	PRP
43297	858	31	is	be	VBZ
43297	858	32	made	make	VBN
43297	858	33	shall	shall	MD
43297	858	34	not	not	RB
43297	858	35	be	be	VB
43297	858	36	affected	affect	VBN
43297	858	37	by	by	IN
43297	858	38	rapid	rapid	JJ
43297	858	39	changes	change	NNS
43297	858	40	in	in	IN
43297	858	41	temperature	temperature	NN
43297	858	42	.	.	.
43297	859	1	Other	other	JJ
43297	859	2	characteristics	characteristic	NNS
43297	859	3	of	of	IN
43297	859	4	importance	importance	NN
43297	859	5	in	in	IN
43297	859	6	some	some	DT
43297	859	7	industries	industry	NNS
43297	859	8	are	be	VBP
43297	859	9	the	the	DT
43297	859	10	resistance	resistance	NN
43297	859	11	to	to	TO
43297	859	12	corrosive	corrosive	JJ
43297	859	13	action	action	NN
43297	859	14	of	of	IN
43297	859	15	slags	slag	NNS
43297	859	16	and	and	CC
43297	859	17	vapours	vapour	NNS
43297	859	18	,	,	,
43297	859	19	to	to	IN
43297	859	20	cutting	cutting	NN
43297	859	21	and	and	CC
43297	859	22	abrasion	abrasion	NN
43297	859	23	by	by	IN
43297	859	24	dust	dust	NN
43297	859	25	in	in	IN
43297	859	26	flue	flue	NN
43297	859	27	-	-	HYPH
43297	859	28	gases	gas	NNS
43297	859	29	or	or	CC
43297	859	30	by	by	IN
43297	859	31	the	the	DT
43297	859	32	implements	implement	NNS
43297	859	33	used	use	VBN
43297	859	34	in	in	IN
43297	859	35	cleaning	clean	VBG
43297	859	36	the	the	DT
43297	859	37	fires	fire	NNS
43297	859	38	.	.	.
43297	860	1	For	for	IN
43297	860	2	those	those	DT
43297	860	3	purposes	purpose	NNS
43297	860	4	it	-PRON-	PRP
43297	860	5	is	be	VBZ
43297	860	6	necessary	necessary	JJ
43297	860	7	that	that	IN
43297	860	8	a	a	DT
43297	860	9	fireclay	fireclay	NN
43297	860	10	should	should	MD
43297	860	11	possess	possess	VB
43297	860	12	high	high	JJ
43297	860	13	infusibility	infusibility	NN
43297	860	14	(	(	-LRB-
43297	860	15	p.	p.	NN
43297	860	16	32	32	CD
43297	860	17	)	)	-RRB-
43297	860	18	,	,	,
43297	860	19	a	a	DT
43297	860	20	low	low	JJ
43297	860	21	burning	burning	NN
43297	860	22	shrinkage	shrinkage	NN
43297	860	23	(	(	-LRB-
43297	860	24	p.	p.	NN
43297	860	25	29	29	CD
43297	860	26	)	)	-RRB-
43297	860	27	and	and	CC
43297	860	28	a	a	DT
43297	860	29	high	high	JJ
43297	860	30	degree	degree	NN
43297	860	31	of	of	IN
43297	860	32	refractoriness	refractoriness	NN
43297	860	33	(	(	-LRB-
43297	860	34	p.	p.	NN
43297	860	35	34	34	CD
43297	860	36	)	)	-RRB-
43297	860	37	,	,	,
43297	860	38	and	and	CC
43297	860	39	before	before	IN
43297	860	40	it	-PRON-	PRP
43297	860	41	is	be	VBZ
43297	860	42	used	use	VBN
43297	860	43	these	these	DT
43297	860	44	characteristics	characteristic	NNS
43297	860	45	should	should	MD
43297	860	46	be	be	VB
43297	860	47	ascertained	ascertain	VBN
43297	860	48	by	by	IN
43297	860	49	means	mean	NNS
43297	860	50	of	of	IN
43297	860	51	definite	definite	JJ
43297	860	52	tests	test	NNS
43297	860	53	,	,	,
43297	860	54	as	as	IN
43297	860	55	they	-PRON-	PRP
43297	860	56	can	can	MD
43297	860	57	not	not	RB
43297	860	58	be	be	VB
43297	860	59	determined	determine	VBN
43297	860	60	by	by	IN
43297	860	61	inspection	inspection	NN
43297	860	62	of	of	IN
43297	860	63	a	a	DT
43297	860	64	sample	sample	NN
43297	860	65	or	or	CC
43297	860	66	from	from	IN
43297	860	67	a	a	DT
43297	860	68	study	study	NN
43297	860	69	of	of	IN
43297	860	70	its	-PRON-	PRP$
43297	860	71	chemical	chemical	NN
43297	860	72	analysis	analysis	NN
43297	860	73	.	.	.
43297	861	1	Several	several	JJ
43297	861	2	grades	grade	NNS
43297	861	3	of	of	IN
43297	861	4	fireclay	fireclay	NNP
43297	861	5	have	have	VBP
43297	861	6	long	long	RB
43297	861	7	been	be	VBN
43297	861	8	recognized	recognize	VBN
43297	861	9	on	on	IN
43297	861	10	the	the	DT
43297	861	11	Continent	continent	NN
43297	861	12	and	and	CC
43297	861	13	in	in	IN
43297	861	14	the	the	DT
43297	861	15	United	United	NNP
43297	861	16	States	States	NNP
43297	861	17	of	of	IN
43297	861	18	America	America	NNP
43297	861	19	,	,	,
43297	861	20	but	but	CC
43297	861	21	the	the	DT
43297	861	22	recent	recent	JJ
43297	861	23	Specification	Specification	NNP
43297	861	24	of	of	IN
43297	861	25	the	the	DT
43297	861	26	Institution	Institution	NNP
43297	861	27	of	of	IN
43297	861	28	Gas	Gas	NNP
43297	861	29	Engineers	Engineers	NNPS
43297	861	30	is	be	VBZ
43297	861	31	the	the	DT
43297	861	32	only	only	JJ
43297	861	33	official	official	JJ
43297	861	34	recognition	recognition	NN
43297	861	35	in	in	IN
43297	861	36	Great	Great	NNP
43297	861	37	Britain	Britain	NNP
43297	861	38	of	of	IN
43297	861	39	definite	definite	JJ
43297	861	40	grades	grade	NNS
43297	861	41	.	.	.
43297	862	1	This	this	DT
43297	862	2	specification	specification	NN
43297	862	3	defines	define	VBZ
43297	862	4	as	as	IN
43297	862	5	No	no	UH
43297	862	6	.	.	.
43297	863	1	1	1	CD
43297	863	2	grade	grade	NN
43297	863	3	a	a	DT
43297	863	4	fireclay	fireclay	NN
43297	863	5	which	which	WDT
43297	863	6	shows	show	VBZ
43297	863	7	no	no	DT
43297	863	8	signs	sign	NNS
43297	863	9	of	of	IN
43297	863	10	fusion	fusion	NN
43297	863	11	when	when	WRB
43297	863	12	heated	heat	VBN
43297	863	13	to	to	IN
43297	863	14	1670	1670	CD
43297	863	15	°	°	,
43297	863	16	C.	C.	NNP
43297	863	17	or	or	CC
43297	863	18	Cone	Cone	NNP
43297	863	19	30	30	CD
43297	863	20	at	at	IN
43297	863	21	the	the	DT
43297	863	22	rate	rate	NN
43297	863	23	of	of	IN
43297	863	24	10	10	CD
43297	863	25	°	°	NNS
43297	863	26	C.	C.	NNP
43297	863	27	per	per	IN
43297	863	28	minute	minute	NN
43297	863	29	,	,	,
43297	863	30	and	and	CC
43297	863	31	as	as	IN
43297	863	32	No	no	UH
43297	863	33	.	.	.
43297	864	1	2	2	CD
43297	864	2	grade	grade	NN
43297	864	3	fireclay	fireclay	NN
43297	864	4	those	those	DT
43297	864	5	which	which	WDT
43297	864	6	show	show	VBP
43297	864	7	no	no	DT
43297	864	8	signs	sign	NNS
43297	864	9	of	of	IN
43297	864	10	fusion	fusion	NN
43297	864	11	when	when	WRB
43297	864	12	similarly	similarly	RB
43297	864	13	heated	heat	VBN
43297	864	14	to	to	IN
43297	864	15	1580	1580	CD
43297	864	16	°	°	,
43297	864	17	C.	C.	NNP
43297	864	18	or	or	CC
43297	864	19	Cone	Cone	NNP
43297	864	20	26	26	CD
43297	864	21	.	.	.
43297	865	1	It	-PRON-	PRP
43297	865	2	is	be	VBZ
43297	865	3	regarded	regard	VBN
43297	865	4	as	as	IN
43297	865	5	a	a	DT
43297	865	6	sign	sign	NN
43297	865	7	of	of	IN
43297	865	8	fusion	fusion	NN
43297	865	9	if	if	IN
43297	865	10	a	a	DT
43297	865	11	test	test	NN
43297	865	12	piece	piece	NN
43297	865	13	with	with	IN
43297	865	14	sharp	sharp	JJ
43297	865	15	angles	angle	NNS
43297	865	16	loses	lose	VBZ
43297	865	17	its	-PRON-	PRP$
43297	865	18	angularity	angularity	NN
43297	865	19	after	after	IN
43297	865	20	heating	heat	VBG
43297	865	21	to	to	IN
43297	865	22	a	a	DT
43297	865	23	predetermined	predetermine	VBN
43297	865	24	temperature	temperature	NN
43297	865	25	(	(	-LRB-
43297	865	26	see	see	VB
43297	865	27	p.	p.	NN
43297	865	28	35	35	CD
43297	865	29	)	)	-RRB-
43297	865	30	.	.	.
43297	866	1	It	-PRON-	PRP
43297	866	2	is	be	VBZ
43297	866	3	customary	customary	JJ
43297	866	4	to	to	TO
43297	866	5	regard	regard	VB
43297	866	6	as	as	IN
43297	866	7	'	'	``
43297	866	8	fireclay	fireclay	NN
43297	866	9	'	'	''
43297	866	10	all	all	DT
43297	866	11	clays	clay	NNS
43297	866	12	which	which	WDT
43297	866	13	,	,	,
43297	866	14	when	when	WRB
43297	866	15	formed	form	VBN
43297	866	16	into	into	IN
43297	866	17	the	the	DT
43297	866	18	shape	shape	NN
43297	866	19	of	of	IN
43297	866	20	a	a	DT
43297	866	21	Seger	Seger	NNP
43297	866	22	Cone	Cone	NNP
43297	866	23	(	(	-LRB-
43297	866	24	fig	fig	NN
43297	866	25	.	.	.
43297	867	1	6	6	LS
43297	867	2	)	)	-RRB-
43297	867	3	do	do	VBP
43297	867	4	not	not	RB
43297	867	5	bend	bend	VB
43297	867	6	on	on	IN
43297	867	7	heating	heating	NN
43297	867	8	slowly	slowly	RB
43297	867	9	until	until	IN
43297	867	10	a	a	DT
43297	867	11	temperature	temperature	NN
43297	867	12	of	of	IN
43297	867	13	1580	1580	CD
43297	867	14	°	°	,
43297	867	15	C.	C.	NNP
43297	867	16	(	(	-LRB-
43297	867	17	Cone	Cone	NNP
43297	867	18	26	26	CD
43297	867	19	)	)	-RRB-
43297	867	20	is	be	VBZ
43297	867	21	reached	reach	VBN
43297	867	22	.	.	.
43297	868	1	Any	any	DT
43297	868	2	clays	clay	NNS
43297	868	3	comprised	comprise	VBN
43297	868	4	within	within	IN
43297	868	5	this	this	DT
43297	868	6	definition	definition	NN
43297	868	7	and	and	CC
43297	868	8	yet	yet	CC
43297	868	9	not	not	RB
43297	868	10	sufficiently	sufficiently	RB
43297	868	11	refractory	refractory	JJ
43297	868	12	to	to	TO
43297	868	13	be	be	VB
43297	868	14	of	of	IN
43297	868	15	the	the	DT
43297	868	16	No	no	NN
43297	868	17	.	.	.
43297	869	1	2	2	CD
43297	869	2	grade	grade	NN
43297	869	3	just	just	RB
43297	869	4	mentioned	mention	VBN
43297	869	5	may	may	MD
43297	869	6	be	be	VB
43297	869	7	regarded	regard	VBN
43297	869	8	as	as	IN
43297	869	9	No	no	UH
43297	869	10	.	.	.
43297	870	1	3	3	CD
43297	870	2	grade	grade	NN
43297	870	3	fireclays	fireclay	VBZ
43297	870	4	.	.	.
43297	871	1	Many	many	JJ
43297	871	2	of	of	IN
43297	871	3	the	the	DT
43297	871	4	last	last	JJ
43297	871	5	named	name	VBN
43297	871	6	are	be	VBP
43297	871	7	well	well	RB
43297	871	8	suited	suited	JJ
43297	871	9	for	for	IN
43297	871	10	the	the	DT
43297	871	11	manufacture	manufacture	NN
43297	871	12	of	of	IN
43297	871	13	blocks	block	NNS
43297	871	14	for	for	IN
43297	871	15	domestic	domestic	JJ
43297	871	16	fireplaces	fireplace	NNS
43297	871	17	,	,	,
43297	871	18	for	for	IN
43297	871	19	glazed	glazed	JJ
43297	871	20	bricks	brick	NNS
43297	871	21	and	and	CC
43297	871	22	for	for	IN
43297	871	23	firebricks	firebrick	NNS
43297	871	24	not	not	RB
43297	871	25	intended	intend	VBN
43297	871	26	to	to	TO
43297	871	27	resist	resist	VB
43297	871	28	furnace	furnace	NN
43297	871	29	temperatures	temperature	NNS
43297	871	30	.	.	.
43297	872	1	To	to	TO
43297	872	2	resist	resist	VB
43297	872	3	sudden	sudden	JJ
43297	872	4	changes	change	NNS
43297	872	5	in	in	IN
43297	872	6	temperature	temperature	NN
43297	872	7	the	the	DT
43297	872	8	material	material	NN
43297	872	9	must	must	MD
43297	872	10	be	be	VB
43297	872	11	very	very	RB
43297	872	12	porous	porous	JJ
43297	872	13	--	--	:
43297	872	14	the	the	DT
43297	872	15	article	article	NN
43297	872	16	being	be	VBG
43297	872	17	capable	capable	JJ
43297	872	18	of	of	IN
43297	872	19	absorbing	absorb	VBG
43297	872	20	at	at	RB
43297	872	21	least	least	RBS
43297	872	22	one	one	CD
43297	872	23	-	-	HYPH
43297	872	24	sixth	sixth	NN
43297	872	25	of	of	IN
43297	872	26	its	-PRON-	PRP$
43297	872	27	volume	volume	NN
43297	872	28	of	of	IN
43297	872	29	water	water	NN
43297	872	30	.	.	.
43297	873	1	For	for	IN
43297	873	2	this	this	DT
43297	873	3	reason	reason	NN
43297	873	4	it	-PRON-	PRP
43297	873	5	is	be	VBZ
43297	873	6	customary	customary	JJ
43297	873	7	to	to	TO
43297	873	8	mix	mix	VB
43297	873	9	fireclays	fireclay	VBZ
43297	873	10	with	with	IN
43297	873	11	a	a	DT
43297	873	12	large	large	JJ
43297	873	13	proportion	proportion	NN
43297	873	14	of	of	IN
43297	873	15	non	non	JJ
43297	873	16	-	-	JJ
43297	873	17	plastic	plastic	JJ
43297	873	18	material	material	NN
43297	873	19	of	of	IN
43297	873	20	a	a	DT
43297	873	21	somewhat	somewhat	RB
43297	873	22	coarse	coarse	JJ
43297	873	23	texture	texture	NN
43297	873	24	,	,	,
43297	873	25	the	the	DT
43297	873	26	substance	substance	NN
43297	873	27	most	most	RBS
43297	873	28	generally	generally	RB
43297	873	29	employed	employ	VBN
43297	873	30	being	be	VBG
43297	873	31	fireclay	fireclay	NN
43297	873	32	which	which	WDT
43297	873	33	has	have	VBZ
43297	873	34	been	be	VBN
43297	873	35	previously	previously	RB
43297	873	36	burned	burn	VBN
43297	873	37	and	and	CC
43297	873	38	then	then	RB
43297	873	39	crushed	crush	VBD
43297	873	40	.	.	.
43297	874	1	This	this	DT
43297	874	2	material	material	NN
43297	874	3	is	be	VBZ
43297	874	4	known	know	VBN
43297	874	5	as	as	IN
43297	874	6	_	_	NNP
43297	874	7	grog	grog	NNP
43297	874	8	_	_	NNP
43297	874	9	or	or	CC
43297	874	10	_	_	NNP
43297	874	11	chamotte	chamotte	NN
43297	874	12	_	_	NNP
43297	874	13	and	and	CC
43297	874	14	has	have	VBZ
43297	874	15	the	the	DT
43297	874	16	advantage	advantage	NN
43297	874	17	over	over	IN
43297	874	18	other	other	JJ
43297	874	19	substances	substance	NNS
43297	874	20	of	of	IN
43297	874	21	not	not	RB
43297	874	22	affecting	affect	VBG
43297	874	23	the	the	DT
43297	874	24	composition	composition	NN
43297	874	25	of	of	IN
43297	874	26	the	the	DT
43297	874	27	fireclay	fireclay	NN
43297	874	28	to	to	TO
43297	874	29	which	which	WDT
43297	874	30	it	-PRON-	PRP
43297	874	31	is	be	VBZ
43297	874	32	added	add	VBN
43297	874	33	,	,	,
43297	874	34	whilst	whilst	IN
43297	874	35	greatly	greatly	RB
43297	874	36	increasing	increase	VBG
43297	874	37	its	-PRON-	PRP$
43297	874	38	technical	technical	JJ
43297	874	39	usefulness	usefulness	NN
43297	874	40	.	.	.
43297	875	1	The	the	DT
43297	875	2	addition	addition	NN
43297	875	3	of	of	IN
43297	875	4	grog	grog	NNS
43297	875	5	also	also	RB
43297	875	6	reduces	reduce	VBZ
43297	875	7	the	the	DT
43297	875	8	shrinkage	shrinkage	NN
43297	875	9	of	of	IN
43297	875	10	the	the	DT
43297	875	11	clay	clay	NN
43297	875	12	during	during	IN
43297	875	13	drying	drying	NN
43297	875	14	and	and	CC
43297	875	15	ensures	ensure	VBZ
43297	875	16	a	a	DT
43297	875	17	sounder	sounder	NN
43297	875	18	article	article	NN
43297	875	19	being	be	VBG
43297	875	20	produced	produce	VBN
43297	875	21	.	.	.
43297	876	1	The	the	DT
43297	876	2	most	most	RBS
43297	876	3	serious	serious	JJ
43297	876	4	impurities	impurity	NNS
43297	876	5	in	in	IN
43297	876	6	refractory	refractory	JJ
43297	876	7	clays	clay	NNS
43297	876	8	are	be	VBP
43297	876	9	lime	lime	JJR
43297	876	10	,	,	,
43297	876	11	magnesia	magnesia	NNP
43297	876	12	,	,	,
43297	876	13	soda	soda	NNP
43297	876	14	,	,	,
43297	876	15	potash	potash	NN
43297	876	16	and	and	CC
43297	876	17	titanium	titanium	NN
43297	876	18	and	and	CC
43297	876	19	their	-PRON-	PRP$
43297	876	20	compounds	compound	NNS
43297	876	21	as	as	IN
43297	876	22	they	-PRON-	PRP
43297	876	23	lower	lower	VBP
43297	876	24	the	the	DT
43297	876	25	refractoriness	refractoriness	NN
43297	876	26	of	of	IN
43297	876	27	the	the	DT
43297	876	28	material	material	NN
43297	876	29	.	.	.
43297	877	1	Iron	iron	NN
43297	877	2	,	,	,
43297	877	3	in	in	IN
43297	877	4	the	the	DT
43297	877	5	state	state	NN
43297	877	6	of	of	IN
43297	877	7	ferric	ferric	JJ
43297	877	8	oxide	oxide	NN
43297	877	9	is	be	VBZ
43297	877	10	of	of	IN
43297	877	11	less	less	JJR
43297	877	12	importance	importance	NN
43297	877	13	,	,	,
43297	877	14	but	but	CC
43297	877	15	pyrites	pyrite	NNS
43297	877	16	and	and	CC
43297	877	17	all	all	DT
43297	877	18	ferrous	ferrous	JJ
43297	877	19	compounds	compound	NNS
43297	877	20	are	be	VBP
43297	877	21	particularly	particularly	RB
43297	877	22	objectionable	objectionable	JJ
43297	877	23	.	.	.
43297	878	1	Pyritic	pyritic	JJ
43297	878	2	and	and	CC
43297	878	3	calcareous	calcareous	JJ
43297	878	4	nodules	nodule	NNS
43297	878	5	may	may	MD
43297	878	6	,	,	,
43297	878	7	to	to	IN
43297	878	8	a	a	DT
43297	878	9	large	large	JJ
43297	878	10	extent	extent	NN
43297	878	11	,	,	,
43297	878	12	be	be	VB
43297	878	13	removed	remove	VBN
43297	878	14	by	by	IN
43297	878	15	picking	pick	VBG
43297	878	16	,	,	,
43297	878	17	and	and	CC
43297	878	18	by	by	IN
43297	878	19	throwing	throw	VBG
43297	878	20	away	away	RP
43297	878	21	lumps	lump	NNS
43297	878	22	in	in	IN
43297	878	23	which	which	WDT
43297	878	24	they	-PRON-	PRP
43297	878	25	are	be	VBP
43297	878	26	seen	see	VBN
43297	878	27	to	to	TO
43297	878	28	occur	occur	VB
43297	878	29	.	.	.
43297	879	1	There	there	EX
43297	879	2	is	be	VBZ
43297	879	3	,	,	,
43297	879	4	at	at	IN
43297	879	5	present	present	NN
43297	879	6	,	,	,
43297	879	7	no	no	DT
43297	879	8	other	other	JJ
43297	879	9	means	mean	NNS
43297	879	10	of	of	IN
43297	879	11	removing	remove	VBG
43297	879	12	them	-PRON-	PRP
43297	879	13	.	.	.
43297	880	1	Fireclays	fireclay	NNS
43297	880	2	may	may	MD
43297	880	3	be	be	VB
43297	880	4	ground	grind	VBN
43297	880	5	directly	directly	RB
43297	880	6	they	-PRON-	PRP
43297	880	7	come	come	VBP
43297	880	8	from	from	IN
43297	880	9	the	the	DT
43297	880	10	mine	mine	NN
43297	880	11	,	,	,
43297	880	12	but	but	CC
43297	880	13	it	-PRON-	PRP
43297	880	14	is	be	VBZ
43297	880	15	usually	usually	RB
43297	880	16	better	well	JJR
43297	880	17	to	to	TO
43297	880	18	expose	expose	VB
43297	880	19	them	-PRON-	PRP
43297	880	20	to	to	IN
43297	880	21	the	the	DT
43297	880	22	action	action	NN
43297	880	23	of	of	IN
43297	880	24	the	the	DT
43297	880	25	weather	weather	NN
43297	880	26	as	as	IN
43297	880	27	this	this	DT
43297	880	28	effects	effect	VBZ
43297	880	29	various	various	JJ
43297	880	30	chemical	chemical	NN
43297	880	31	and	and	CC
43297	880	32	physical	physical	JJ
43297	880	33	changes	change	NNS
43297	880	34	within	within	IN
43297	880	35	the	the	DT
43297	880	36	material	material	NN
43297	880	37	,	,	,
43297	880	38	which	which	WDT
43297	880	39	improves	improve	VBZ
43297	880	40	its	-PRON-	PRP$
43297	880	41	quality	quality	NN
43297	880	42	as	as	RB
43297	880	43	well	well	RB
43297	880	44	as	as	IN
43297	880	45	reduces	reduce	VBZ
43297	880	46	the	the	DT
43297	880	47	power	power	NN
43297	880	48	required	require	VBN
43297	880	49	to	to	TO
43297	880	50	crush	crush	VB
43297	880	51	it	-PRON-	PRP
43297	880	52	.	.	.
43297	881	1	To	to	TO
43297	881	2	take	take	VB
43297	881	3	full	full	JJ
43297	881	4	advantage	advantage	NN
43297	881	5	of	of	IN
43297	881	6	the	the	DT
43297	881	7	refractory	refractory	JJ
43297	881	8	qualities	quality	NNS
43297	881	9	of	of	IN
43297	881	10	a	a	DT
43297	881	11	clay	clay	NN
43297	881	12	it	-PRON-	PRP
43297	881	13	is	be	VBZ
43297	881	14	necessary	necessary	JJ
43297	881	15	to	to	TO
43297	881	16	select	select	VB
43297	881	17	it	-PRON-	PRP
43297	881	18	with	with	IN
43297	881	19	skill	skill	NN
43297	881	20	,	,	,
43297	881	21	prepare	prepare	VB
43297	881	22	and	and	CC
43297	881	23	mould	mould	VB
43297	881	24	it	-PRON-	PRP
43297	881	25	with	with	IN
43297	881	26	care	care	NN
43297	881	27	,	,	,
43297	881	28	to	to	TO
43297	881	29	burn	burn	VB
43297	881	30	it	-PRON-	PRP
43297	881	31	slowly	slowly	RB
43297	881	32	and	and	CC
43297	881	33	steadily	steadily	RB
43297	881	34	,	,	,
43297	881	35	to	to	TO
43297	881	36	finish	finish	VB
43297	881	37	the	the	DT
43297	881	38	heating	heating	NN
43297	881	39	at	at	IN
43297	881	40	a	a	DT
43297	881	41	sufficiently	sufficiently	RB
43297	881	42	high	high	JJ
43297	881	43	temperature	temperature	NN
43297	881	44	and	and	CC
43297	881	45	to	to	TO
43297	881	46	cool	cool	VB
43297	881	47	the	the	DT
43297	881	48	ware	ware	NN
43297	881	49	slowly	slowly	RB
43297	881	50	.	.	.
43297	882	1	Rapidly	rapidly	RB
43297	882	2	heated	heated	JJ
43297	882	3	fireclay	fireclay	NN
43297	882	4	is	be	VBZ
43297	882	5	seldom	seldom	RB
43297	882	6	so	so	RB
43297	882	7	resistant	resistant	JJ
43297	882	8	to	to	TO
43297	882	9	heat	heat	VB
43297	882	10	under	under	IN
43297	882	11	commercial	commercial	JJ
43297	882	12	conditions	condition	NNS
43297	882	13	as	as	IN
43297	882	14	that	that	DT
43297	882	15	which	which	WDT
43297	882	16	has	have	VBZ
43297	882	17	been	be	VBN
43297	882	18	more	more	RBR
43297	882	19	steadily	steadily	RB
43297	882	20	fired	fire	VBN
43297	882	21	.	.	.
43297	883	1	Rapid	rapid	JJ
43297	883	2	or	or	CC
43297	883	3	irregular	irregular	JJ
43297	883	4	heating	heating	NN
43297	883	5	causes	cause	VBZ
43297	883	6	an	an	DT
43297	883	7	irregular	irregular	JJ
43297	883	8	formation	formation	NN
43297	883	9	and	and	CC
43297	883	10	distribution	distribution	NN
43297	883	11	of	of	IN
43297	883	12	the	the	DT
43297	883	13	fused	fuse	VBN
43297	883	14	material	material	NN
43297	883	15	during	during	IN
43297	883	16	the	the	DT
43297	883	17	process	process	NN
43297	883	18	of	of	IN
43297	883	19	vitrification	vitrification	NN
43297	883	20	(	(	-LRB-
43297	883	21	p.	p.	NN
43297	883	22	37	37	CD
43297	883	23	)	)	-RRB-
43297	883	24	and	and	CC
43297	883	25	so	so	RB
43297	883	26	produces	produce	VBZ
43297	883	27	goods	good	NNS
43297	883	28	which	which	WDT
43297	883	29	are	be	VBP
43297	883	30	too	too	RB
43297	883	31	tender	tender	JJ
43297	883	32	to	to	TO
43297	883	33	be	be	VB
43297	883	34	durable	durable	JJ
43297	883	35	.	.	.
43297	884	1	It	-PRON-	PRP
43297	884	2	is	be	VBZ
43297	884	3	,	,	,
43297	884	4	therefore	therefore	RB
43297	884	5	,	,	,
43297	884	6	necessary	necessary	JJ
43297	884	7	to	to	TO
43297	884	8	exercise	exercise	VB
43297	884	9	great	great	JJ
43297	884	10	care	care	NN
43297	884	11	in	in	IN
43297	884	12	the	the	DT
43297	884	13	firing	firing	NN
43297	884	14	.	.	.
43297	885	1	=	=	NFP
43297	885	2	Shales=	shales=	NN
43297	885	3	are	be	VBP
43297	885	4	rocks	rock	NNS
43297	885	5	which	which	WDT
43297	885	6	have	have	VBP
43297	885	7	been	be	VBN
43297	885	8	subjected	subject	VBN
43297	885	9	to	to	IN
43297	885	10	considerable	considerable	JJ
43297	885	11	pressure	pressure	NN
43297	885	12	subsequent	subsequent	JJ
43297	885	13	to	to	IN
43297	885	14	their	-PRON-	PRP$
43297	885	15	deposition	deposition	NN
43297	885	16	and	and	CC
43297	885	17	are	be	VBP
43297	885	18	,	,	,
43297	885	19	consequently	consequently	RB
43297	885	20	,	,	,
43297	885	21	laminated	laminate	VBN
43297	885	22	and	and	CC
43297	885	23	more	more	RBR
43297	885	24	readily	readily	RB
43297	885	25	split	split	VBN
43297	885	26	in	in	IN
43297	885	27	one	one	CD
43297	885	28	direction	direction	NN
43297	885	29	than	than	IN
43297	885	30	in	in	IN
43297	885	31	others	other	NNS
43297	885	32	.	.	.
43297	886	1	Some	some	DT
43297	886	2	shales	shale	NNS
43297	886	3	are	be	VBP
43297	886	4	almost	almost	RB
43297	886	5	entirely	entirely	RB
43297	886	6	composed	compose	VBN
43297	886	7	of	of	IN
43297	886	8	silica	silica	NN
43297	886	9	or	or	CC
43297	886	10	calcareous	calcareous	JJ
43297	886	11	matter	matter	NN
43297	886	12	,	,	,
43297	886	13	but	but	CC
43297	886	14	many	many	JJ
43297	886	15	others	other	NNS
43297	886	16	are	be	VBP
43297	886	17	rich	rich	JJ
43297	886	18	in	in	IN
43297	886	19	clay	clay	NN
43297	886	20	,	,	,
43297	886	21	the	the	DT
43297	886	22	term	term	NN
43297	886	23	referring	refer	VBG
43297	886	24	to	to	IN
43297	886	25	physical	physical	JJ
43297	886	26	structure	structure	NN
43297	886	27	and	and	CC
43297	886	28	not	not	RB
43297	886	29	to	to	IN
43297	886	30	chemical	chemical	JJ
43297	886	31	composition	composition	NN
43297	886	32	.	.	.
43297	887	1	The	the	DT
43297	887	2	clay	clay	NN
43297	887	3	-	-	HYPH
43297	887	4	shales	shale	NNS
43297	887	5	occur	occur	VBP
43297	887	6	chiefly	chiefly	RB
43297	887	7	in	in	IN
43297	887	8	the	the	DT
43297	887	9	Silurian	silurian	JJ
43297	887	10	and	and	CC
43297	887	11	Carboniferous	carboniferous	JJ
43297	887	12	formations	formation	NNS
43297	887	13	,	,	,
43297	887	14	the	the	DT
43297	887	15	latter	latter	JJ
43297	887	16	being	be	VBG
43297	887	17	more	more	RBR
43297	887	18	generally	generally	RB
43297	887	19	used	use	VBN
43297	887	20	by	by	IN
43297	887	21	clayworkers	clayworker	NNS
43297	887	22	.	.	.
43297	888	1	Clay	clay	NN
43297	888	2	-	-	HYPH
43297	888	3	shales	shale	NNS
43297	888	4	are	be	VBP
43297	888	5	valued	value	VBN
43297	888	6	according	accord	VBG
43297	888	7	to	to	IN
43297	888	8	(	(	-LRB-
43297	888	9	_	_	NNP
43297	888	10	a	a	DT
43297	888	11	_	_	NNP
43297	888	12	)	)	-RRB-
43297	888	13	the	the	DT
43297	888	14	proportion	proportion	NN
43297	888	15	of	of	IN
43297	888	16	oil	oil	NN
43297	888	17	which	which	WDT
43297	888	18	can	can	MD
43297	888	19	be	be	VB
43297	888	20	distilled	distil	VBN
43297	888	21	from	from	IN
43297	888	22	them	-PRON-	PRP
43297	888	23	,	,	,
43297	888	24	those	those	DT
43297	888	25	rich	rich	JJ
43297	888	26	in	in	IN
43297	888	27	this	this	DT
43297	888	28	respect	respect	NN
43297	888	29	being	be	VBG
43297	888	30	termed	term	VBN
43297	888	31	_	_	NNP
43297	888	32	oil	oil	NN
43297	888	33	shales	shale	NNS
43297	888	34	_	_	NNP
43297	888	35	;	;	:
43297	888	36	(	(	-LRB-
43297	888	37	_	_	NNP
43297	888	38	b	b	NNP
43297	888	39	_	_	NNP
43297	888	40	)	)	-RRB-
43297	888	41	the	the	DT
43297	888	42	colour	colour	NN
43297	888	43	when	when	WRB
43297	888	44	burned	burn	VBN
43297	888	45	,	,	,
43297	888	46	as	as	IN
43297	888	47	in	in	IN
43297	888	48	_	_	NNP
43297	888	49	brickmaking	brickmaking	NN
43297	888	50	and	and	CC
43297	888	51	terra	terra	NN
43297	888	52	-	-	HYPH
43297	888	53	cotta	cotta	NN
43297	888	54	shales	shale	NNS
43297	888	55	_	_	NNP
43297	888	56	;	;	:
43297	888	57	(	(	-LRB-
43297	888	58	_	_	NNP
43297	888	59	c	c	NNP
43297	888	60	_	_	NNP
43297	888	61	)	)	-RRB-
43297	888	62	the	the	DT
43297	888	63	refractoriness	refractoriness	NN
43297	888	64	,	,	,
43297	888	65	as	as	IN
43297	888	66	in	in	IN
43297	888	67	_	_	NNP
43297	888	68	fireclay	fireclay	NNP
43297	888	69	shales	shale	VBZ
43297	888	70	_	_	NNP
43297	888	71	and	and	CC
43297	888	72	(	(	-LRB-
43297	888	73	_	_	NNP
43297	888	74	d	d	NNP
43297	888	75	_	_	NNP
43297	888	76	)	)	-RRB-
43297	888	77	the	the	DT
43297	888	78	facility	facility	NN
43297	888	79	with	with	IN
43297	888	80	which	which	WDT
43297	888	81	they	-PRON-	PRP
43297	888	82	are	be	VBP
43297	888	83	decomposed	decompose	VBN
43297	888	84	on	on	IN
43297	888	85	exposure	exposure	NN
43297	888	86	or	or	CC
43297	888	87	on	on	IN
43297	888	88	heating	heating	NN
43297	888	89	and	and	CC
43297	888	90	form	form	NN
43297	888	91	sulphuric	sulphuric	JJ
43297	888	92	acid	acid	NN
43297	888	93	as	as	IN
43297	888	94	in	in	IN
43297	888	95	_	_	NNP
43297	888	96	alum	alum	NNP
43297	888	97	shales	shales	NNP
43297	888	98	_	_	NNP
43297	888	99	.	.	.
43297	889	1	_	_	NNP
43297	889	2	Oil	Oil	NNP
43297	889	3	shales	shale	NNS
43297	889	4	_	_	NNP
43297	889	5	contain	contain	VBP
43297	889	6	so	so	RB
43297	889	7	much	much	JJ
43297	889	8	carbonaceous	carbonaceous	JJ
43297	889	9	matter	matter	NN
43297	889	10	that	that	IN
43297	889	11	on	on	IN
43297	889	12	distillation	distillation	NN
43297	889	13	at	at	IN
43297	889	14	a	a	DT
43297	889	15	low	low	JJ
43297	889	16	red	red	JJ
43297	889	17	heat	heat	NN
43297	889	18	they	-PRON-	PRP
43297	889	19	yield	yield	VBP
43297	889	20	commercially	commercially	RB
43297	889	21	remunerative	remunerative	JJ
43297	889	22	quantities	quantity	NNS
43297	889	23	of	of	IN
43297	889	24	a	a	DT
43297	889	25	crude	crude	JJ
43297	889	26	oil	oil	NN
43297	889	27	termed	term	VBN
43297	889	28	_	_	NNP
43297	889	29	shale	shale	NNP
43297	889	30	tar	tar	NNP
43297	889	31	_	_	NNP
43297	889	32	.	.	.
43297	890	1	In	in	IN
43297	890	2	composition	composition	NN
43297	890	3	they	-PRON-	PRP
43297	890	4	are	be	VBP
43297	890	5	intermediate	intermediate	JJ
43297	890	6	between	between	IN
43297	890	7	cannel	cannel	NN
43297	890	8	coal	coal	NN
43297	890	9	and	and	CC
43297	890	10	a	a	DT
43297	890	11	purely	purely	RB
43297	890	12	mineral	mineral	NN
43297	890	13	shale	shale	NNP
43297	890	14	.	.	.
43297	891	1	To	to	TO
43297	891	2	be	be	VB
43297	891	3	of	of	IN
43297	891	4	value	value	NN
43297	891	5	they	-PRON-	PRP
43297	891	6	should	should	MD
43297	891	7	not	not	RB
43297	891	8	yield	yield	VB
43297	891	9	less	less	JJR
43297	891	10	than	than	IN
43297	891	11	30	30	CD
43297	891	12	gallons	gallon	NNS
43297	891	13	of	of	IN
43297	891	14	crude	crude	JJ
43297	891	15	oil	oil	NN
43297	891	16	per	per	IN
43297	891	17	ton	ton	NN
43297	891	18	of	of	IN
43297	891	19	shale	shale	NNP
43297	891	20	,	,	,
43297	891	21	with	with	IN
43297	891	22	ammonia	ammonia	NNP
43297	891	23	and	and	CC
43297	891	24	illuminating	illuminate	VBG
43297	891	25	gas	gas	NN
43297	891	26	as	as	IN
43297	891	27	by	by	NNS
43297	891	28	-	-	HYPH
43297	891	29	products	product	NNS
43297	891	30	.	.	.
43297	892	1	They	-PRON-	PRP
43297	892	2	are	be	VBP
43297	892	3	of	of	IN
43297	892	4	Silurian	silurian	JJ
43297	892	5	,	,	,
43297	892	6	Carboniferous	carboniferous	JJ
43297	892	7	or	or	CC
43297	892	8	Oolitic	oolitic	JJ
43297	892	9	origin	origin	NN
43297	892	10	,	,	,
43297	892	11	the	the	DT
43297	892	12	Kimeridge	Kimeridge	NNP
43297	892	13	shale	shale	NNP
43297	892	14	associated	associate	VBN
43297	892	15	with	with	IN
43297	892	16	the	the	DT
43297	892	17	last	last	RB
43297	892	18	-	-	HYPH
43297	892	19	named	name	VBN
43297	892	20	being	be	VBG
43297	892	21	very	very	RB
43297	892	22	valuable	valuable	JJ
43297	892	23	in	in	IN
43297	892	24	this	this	DT
43297	892	25	respect	respect	NN
43297	892	26	.	.	.
43297	893	1	The	the	DT
43297	893	2	most	most	RBS
43297	893	3	important	important	JJ
43297	893	4	oil	oil	NN
43297	893	5	shales	shale	NNS
43297	893	6	occur	occur	VBP
43297	893	7	in	in	IN
43297	893	8	Scotland	Scotland	NNP
43297	893	9	.	.	.
43297	894	1	The	the	DT
43297	894	2	_	_	NNP
43297	894	3	fireclay	fireclay	NN
43297	894	4	shales	shale	NNS
43297	894	5	_	_	NNP
43297	894	6	have	have	VBP
43297	894	7	already	already	RB
43297	894	8	been	be	VBN
43297	894	9	described	describe	VBN
43297	894	10	on	on	IN
43297	894	11	pages	page	NNS
43297	894	12	53	53	CD
43297	894	13	and	and	CC
43297	894	14	116	116	CD
43297	894	15	.	.	.
43297	895	1	The	the	DT
43297	895	2	_	_	NNP
43297	895	3	brickmaking	brickmake	VBG
43297	895	4	shales	shale	NNS
43297	895	5	_	_	NNP
43297	895	6	are	be	VBP
43297	895	7	those	those	DT
43297	895	8	which	which	WDT
43297	895	9	are	be	VBP
43297	895	10	sufficiently	sufficiently	RB
43297	895	11	rich	rich	JJ
43297	895	12	in	in	IN
43297	895	13	clay	clay	NN
43297	895	14	to	to	TO
43297	895	15	form	form	VB
43297	895	16	a	a	DT
43297	895	17	plastic	plastic	JJ
43297	895	18	paste	paste	NN
43297	895	19	when	when	WRB
43297	895	20	ground	ground	NN
43297	895	21	and	and	CC
43297	895	22	mixed	mix	VBN
43297	895	23	with	with	IN
43297	895	24	water	water	NN
43297	895	25	.	.	.
43297	896	1	They	-PRON-	PRP
43297	896	2	can	can	MD
43297	896	3	be	be	VB
43297	896	4	made	make	VBN
43297	896	5	into	into	IN
43297	896	6	bricks	brick	NNS
43297	896	7	of	of	IN
43297	896	8	excellent	excellent	JJ
43297	896	9	colour	colour	NN
43297	896	10	and	and	CC
43297	896	11	great	great	JJ
43297	896	12	strength	strength	NN
43297	896	13	,	,	,
43297	896	14	but	but	CC
43297	896	15	for	for	IN
43297	896	16	this	this	DT
43297	896	17	purpose	purpose	NN
43297	896	18	require	require	VBP
43297	896	19	the	the	DT
43297	896	20	use	use	NN
43297	896	21	of	of	IN
43297	896	22	powerful	powerful	JJ
43297	896	23	crushing	crushing	NN
43297	896	24	and	and	CC
43297	896	25	mixing	mix	VBG
43297	896	26	machinery	machinery	NN
43297	896	27	.	.	.
43297	897	1	They	-PRON-	PRP
43297	897	2	are	be	VBP
43297	897	3	usually	usually	RB
43297	897	4	converted	convert	VBN
43297	897	5	into	into	IN
43297	897	6	a	a	DT
43297	897	7	stiff	stiff	JJ
43297	897	8	paste	paste	NN
43297	897	9	of	of	IN
43297	897	10	only	only	JJ
43297	897	11	moderate	moderate	JJ
43297	897	12	plasticity	plasticity	NN
43297	897	13	and	and	CC
43297	897	14	are	be	VBP
43297	897	15	then	then	RB
43297	897	16	moulded	mould	VBN
43297	897	17	by	by	IN
43297	897	18	machinery	machinery	NN
43297	897	19	in	in	IN
43297	897	20	specially	specially	RB
43297	897	21	designed	design	VBN
43297	897	22	presses	press	NNS
43297	897	23	,	,	,
43297	897	24	though	though	IN
43297	897	25	some	some	DT
43297	897	26	firebricks	firebrick	NNS
43297	897	27	are	be	VBP
43297	897	28	made	make	VBN
43297	897	29	from	from	IN
43297	897	30	crushed	crush	VBN
43297	897	31	shale	shale	JJ
43297	897	32	mixed	mix	VBN
43297	897	33	into	into	IN
43297	897	34	a	a	DT
43297	897	35	soft	soft	JJ
43297	897	36	paste	paste	NN
43297	897	37	with	with	IN
43297	897	38	water	water	NN
43297	897	39	and	and	CC
43297	897	40	afterwards	afterwards	RB
43297	897	41	moulded	mould	VBN
43297	897	42	by	by	IN
43297	897	43	hand	hand	NN
43297	897	44	.	.	.
43297	898	1	Some	some	DT
43297	898	2	shales	shale	NNS
43297	898	3	,	,	,
43297	898	4	such	such	JJ
43297	898	5	as	as	IN
43297	898	6	the	the	DT
43297	898	7	_	_	NNP
43297	898	8	knotts	knotts	NNP
43297	898	9	_	_	NNP
43297	898	10	at	at	IN
43297	898	11	Fletton	Fletton	NNP
43297	898	12	near	near	IN
43297	898	13	Peterborough	Peterborough	NNP
43297	898	14	are	be	VBP
43297	898	15	not	not	RB
43297	898	16	made	make	VBN
43297	898	17	into	into	IN
43297	898	18	a	a	DT
43297	898	19	paste	paste	NN
43297	898	20	,	,	,
43297	898	21	the	the	DT
43297	898	22	moist	moist	NN
43297	898	23	powdered	powder	VBN
43297	898	24	shale	shale	NNP
43297	898	25	being	be	VBG
43297	898	26	pressed	press	VBN
43297	898	27	into	into	IN
43297	898	28	bricks	brick	NNS
43297	898	29	by	by	IN
43297	898	30	very	very	RB
43297	898	31	powerful	powerful	JJ
43297	898	32	machinery	machinery	NN
43297	898	33	.	.	.
43297	899	1	Brickmaking	brickmake	VBG
43297	899	2	shales	shale	NNS
43297	899	3	may	may	MD
43297	899	4	be	be	VB
43297	899	5	found	find	VBN
43297	899	6	in	in	IN
43297	899	7	any	any	DT
43297	899	8	of	of	IN
43297	899	9	the	the	DT
43297	899	10	older	old	JJR
43297	899	11	geological	geological	JJ
43297	899	12	formations	formation	NNS
43297	899	13	,	,	,
43297	899	14	though	though	IN
43297	899	15	they	-PRON-	PRP
43297	899	16	occur	occur	VBP
43297	899	17	chiefly	chiefly	RB
43297	899	18	in	in	IN
43297	899	19	the	the	DT
43297	899	20	Silurian	silurian	JJ
43297	899	21	,	,	,
43297	899	22	Permian	permian	JJ
43297	899	23	,	,	,
43297	899	24	Carboniferous	Carboniferous	NNP
43297	899	25	and	and	CC
43297	899	26	Jurassic	Jurassic	NNP
43297	899	27	systems	system	NNS
43297	899	28	.	.	.
43297	900	1	The	the	DT
43297	900	2	purer	purer	NN
43297	900	3	shales	shale	NNS
43297	900	4	of	of	IN
43297	900	5	the	the	DT
43297	900	6	Coal	Coal	NNP
43297	900	7	Measures	Measures	NNPS
43297	900	8	burn	burn	VBP
43297	900	9	to	to	IN
43297	900	10	an	an	DT
43297	900	11	agreeable	agreeable	JJ
43297	900	12	cream	cream	NN
43297	900	13	or	or	CC
43297	900	14	buff	buff	NN
43297	900	15	colour	colour	NN
43297	900	16	,	,	,
43297	900	17	the	the	DT
43297	900	18	less	less	RBR
43297	900	19	pure	pure	JJ
43297	900	20	ones	one	NNS
43297	900	21	and	and	CC
43297	900	22	those	those	DT
43297	900	23	of	of	IN
43297	900	24	the	the	DT
43297	900	25	other	other	JJ
43297	900	26	formations	formation	NNS
43297	900	27	mentioned	mention	VBD
43297	900	28	produce	produce	VBP
43297	900	29	articles	article	NNS
43297	900	30	of	of	IN
43297	900	31	a	a	DT
43297	900	32	brick	brick	NN
43297	900	33	-	-	HYPH
43297	900	34	red	red	JJ
43297	900	35	or	or	CC
43297	900	36	blue	blue	JJ
43297	900	37	-	-	HYPH
43297	900	38	grey	grey	JJ
43297	900	39	colour	colour	NN
43297	900	40	.	.	.
43297	901	1	Where	where	WRB
43297	901	2	the	the	DT
43297	901	3	shales	shale	NNS
43297	901	4	are	be	VBP
43297	901	5	of	of	IN
43297	901	6	exceptionally	exceptionally	RB
43297	901	7	fine	fine	JJ
43297	901	8	grain	grain	NN
43297	901	9	and	and	CC
43297	901	10	their	-PRON-	PRP$
43297	901	11	colour	colour	NN
43297	901	12	when	when	WRB
43297	901	13	burned	burn	VBN
43297	901	14	is	be	VBZ
43297	901	15	very	very	RB
43297	901	16	uniform	uniform	JJ
43297	901	17	and	and	CC
43297	901	18	of	of	IN
43297	901	19	a	a	DT
43297	901	20	pleasing	pleasing	JJ
43297	901	21	tint	tint	NN
43297	901	22	they	-PRON-	PRP
43297	901	23	are	be	VBP
43297	901	24	known	know	VBN
43297	901	25	as	as	IN
43297	901	26	_	_	NNP
43297	901	27	terra	terra	NNP
43297	901	28	-	-	HYPH
43297	901	29	cotta	cotta	NNP
43297	901	30	_	_	NNP
43297	901	31	shales	shale	NNS
43297	901	32	,	,	,
43297	901	33	the	the	DT
43297	901	34	red	red	JJ
43297	901	35	terra	terra	NNP
43297	901	36	-	-	HYPH
43297	901	37	cottas	cotta	NNS
43297	901	38	being	be	VBG
43297	901	39	chiefly	chiefly	RB
43297	901	40	made	make	VBN
43297	901	41	from	from	IN
43297	901	42	those	those	DT
43297	901	43	occurring	occur	VBG
43297	901	44	in	in	IN
43297	901	45	Wales	Wales	NNP
43297	901	46	and	and	CC
43297	901	47	the	the	DT
43297	901	48	buff	buff	JJ
43297	901	49	ones	one	NNS
43297	901	50	from	from	IN
43297	901	51	the	the	DT
43297	901	52	lower	low	JJR
43297	901	53	grade	grade	NN
43297	901	54	fireclays	fireclay	VBZ
43297	901	55	of	of	IN
43297	901	56	the	the	DT
43297	901	57	Coal	Coal	NNP
43297	901	58	Measures	Measures	NNPS
43297	901	59	.	.	.
43297	902	1	_	_	NNP
43297	902	2	Alum	Alum	NNP
43297	902	3	shales	shale	NNS
43297	902	4	_	_	NNP
43297	902	5	are	be	VBP
43297	902	6	characterised	characterise	VBN
43297	902	7	by	by	IN
43297	902	8	a	a	DT
43297	902	9	high	high	JJ
43297	902	10	proportion	proportion	NN
43297	902	11	of	of	IN
43297	902	12	pyrites	pyrite	NNS
43297	902	13	,	,	,
43297	902	14	which	which	WDT
43297	902	15	,	,	,
43297	902	16	on	on	IN
43297	902	17	roasting	roast	VBG
43297	902	18	,	,	,
43297	902	19	form	form	VB
43297	902	20	ferrous	ferrous	JJ
43297	902	21	sulphate	sulphate	NN
43297	902	22	and	and	CC
43297	902	23	sulphuric	sulphuric	JJ
43297	902	24	acid	acid	NN
43297	902	25	.	.	.
43297	903	1	The	the	DT
43297	903	2	latter	latter	JJ
43297	903	3	combines	combine	VBZ
43297	903	4	with	with	IN
43297	903	5	the	the	DT
43297	903	6	alumina	alumina	NNP
43297	903	7	in	in	IN
43297	903	8	the	the	DT
43297	903	9	shale	shale	NNP
43297	903	10	and	and	CC
43297	903	11	when	when	WRB
43297	903	12	the	the	DT
43297	903	13	roasted	roasted	JJ
43297	903	14	ore	ore	NN
43297	903	15	is	be	VBZ
43297	903	16	extracted	extract	VBN
43297	903	17	with	with	IN
43297	903	18	water	water	NN
43297	903	19	a	a	DT
43297	903	20	solution	solution	NN
43297	903	21	of	of	IN
43297	903	22	iron	iron	NN
43297	903	23	sulphate	sulphate	NN
43297	903	24	and	and	CC
43297	903	25	aluminium	aluminium	NN
43297	903	26	sulphate	sulphate	NN
43297	903	27	is	be	VBZ
43297	903	28	obtained	obtain	VBN
43297	903	29	.	.	.
43297	904	1	From	from	IN
43297	904	2	this	this	DT
43297	904	3	solution	solution	NN
43297	904	4	(	(	-LRB-
43297	904	5	after	after	IN
43297	904	6	partial	partial	JJ
43297	904	7	evaporation	evaporation	NN
43297	904	8	)	)	-RRB-
43297	904	9	alum	alum	NNP
43297	904	10	crystals	crystal	NNS
43297	904	11	are	be	VBP
43297	904	12	obtained	obtain	VBN
43297	904	13	by	by	IN
43297	904	14	the	the	DT
43297	904	15	addition	addition	NN
43297	904	16	of	of	IN
43297	904	17	potassium	potassium	NN
43297	904	18	or	or	CC
43297	904	19	ammonium	ammonium	NN
43297	904	20	sulphate	sulphate	NN
43297	904	21	.	.	.
43297	905	1	The	the	DT
43297	905	2	chief	chief	JJ
43297	905	3	alum	alum	NN
43297	905	4	shales	shale	NNS
43297	905	5	are	be	VBP
43297	905	6	those	those	DT
43297	905	7	of	of	IN
43297	905	8	the	the	DT
43297	905	9	Silurian	silurian	JJ
43297	905	10	formation	formation	NN
43297	905	11	in	in	IN
43297	905	12	Scotland	Scotland	NNP
43297	905	13	and	and	CC
43297	905	14	Scandinavia	Scandinavia	NNP
43297	905	15	.	.	.
43297	906	1	The	the	DT
43297	906	2	Liassic	liassic	JJ
43297	906	3	shales	shale	NNS
43297	906	4	of	of	IN
43297	906	5	Whitby	Whitby	NNP
43297	906	6	were	be	VBD
43297	906	7	at	at	IN
43297	906	8	one	one	CD
43297	906	9	time	time	NN
43297	906	10	an	an	DT
43297	906	11	equally	equally	RB
43297	906	12	important	important	JJ
43297	906	13	source	source	NN
43297	906	14	of	of	IN
43297	906	15	alum	alum	NN
43297	906	16	.	.	.
43297	907	1	During	during	IN
43297	907	2	recent	recent	JJ
43297	907	3	years	year	NNS
43297	907	4	a	a	DT
43297	907	5	large	large	JJ
43297	907	6	amount	amount	NN
43297	907	7	of	of	IN
43297	907	8	alum	alum	NN
43297	907	9	has	have	VBZ
43297	907	10	been	be	VBN
43297	907	11	obtained	obtain	VBN
43297	907	12	from	from	IN
43297	907	13	other	other	JJ
43297	907	14	sources	source	NNS
43297	907	15	or	or	CC
43297	907	16	has	have	VBZ
43297	907	17	been	be	VBN
43297	907	18	made	make	VBN
43297	907	19	from	from	IN
43297	907	20	the	the	DT
43297	907	21	lower	low	JJR
43297	907	22	grade	grade	NN
43297	907	23	Dorset	Dorset	NNP
43297	907	24	and	and	CC
43297	907	25	Devonshire	Devonshire	NNP
43297	907	26	ball	ball	NN
43297	907	27	clays	clay	NNS
43297	907	28	by	by	IN
43297	907	29	calcining	calcine	VBG
43297	907	30	them	-PRON-	PRP
43297	907	31	and	and	CC
43297	907	32	then	then	RB
43297	907	33	treating	treat	VBG
43297	907	34	them	-PRON-	PRP
43297	907	35	with	with	IN
43297	907	36	sulphuric	sulphuric	JJ
43297	907	37	acid	acid	NN
43297	907	38	.	.	.
43297	908	1	These	these	DT
43297	908	2	clays	clay	NNS
43297	908	3	being	be	VBG
43297	908	4	almost	almost	RB
43297	908	5	free	free	JJ
43297	908	6	from	from	IN
43297	908	7	iron	iron	NN
43297	908	8	compounds	compound	NNS
43297	908	9	yield	yield	VBP
43297	908	10	a	a	DT
43297	908	11	much	much	JJ
43297	908	12	purer	purer	NN
43297	908	13	alum	alum	NN
43297	908	14	at	at	IN
43297	908	15	a	a	DT
43297	908	16	lower	low	JJR
43297	908	17	cost	cost	NN
43297	908	18	.	.	.
43297	909	1	=	=	NFP
43297	909	2	Brick	Brick	NNP
43297	909	3	clays=	clays=	NN
43297	909	4	are	be	VBP
43297	909	5	those	those	DT
43297	909	6	which	which	WDT
43297	909	7	are	be	VBP
43297	909	8	not	not	RB
43297	909	9	suitable	suitable	JJ
43297	909	10	--	--	:
43297	909	11	either	either	CC
43297	909	12	from	from	IN
43297	909	13	nature	nature	NN
43297	909	14	or	or	CC
43297	909	15	situation	situation	NN
43297	909	16	--	--	:
43297	909	17	for	for	IN
43297	909	18	the	the	DT
43297	909	19	manufacture	manufacture	NN
43297	909	20	of	of	IN
43297	909	21	pottery	pottery	NN
43297	909	22	or	or	CC
43297	909	23	porcelain	porcelain	NN
43297	909	24	and	and	CC
43297	909	25	yet	yet	RB
43297	909	26	possess	possess	VB
43297	909	27	sufficient	sufficient	JJ
43297	909	28	plasticity	plasticity	NN
43297	909	29	to	to	TO
43297	909	30	enable	enable	VB
43297	909	31	them	-PRON-	PRP
43297	909	32	to	to	TO
43297	909	33	be	be	VB
43297	909	34	made	make	VBN
43297	909	35	into	into	IN
43297	909	36	bricks	brick	NNS
43297	909	37	.	.	.
43297	910	1	The	the	DT
43297	910	2	term	term	NN
43297	910	3	is	be	VBZ
43297	910	4	used	use	VBN
43297	910	5	somewhat	somewhat	RB
43297	910	6	loosely	loosely	RB
43297	910	7	,	,	,
43297	910	8	and	and	CC
43297	910	9	geologists	geologist	VBZ
43297	910	10	not	not	RB
43297	910	11	infrequently	infrequently	RB
43297	910	12	apply	apply	VBP
43297	910	13	it	-PRON-	PRP
43297	910	14	to	to	IN
43297	910	15	clays	clay	NNS
43297	910	16	which	which	WDT
43297	910	17	are	be	VBP
43297	910	18	quite	quite	RB
43297	910	19	unsuitable	unsuitable	JJ
43297	910	20	for	for	IN
43297	910	21	brickmaking	brickmake	VBG
43297	910	22	on	on	IN
43297	910	23	account	account	NN
43297	910	24	of	of	IN
43297	910	25	excessive	excessive	JJ
43297	910	26	shrinkage	shrinkage	NN
43297	910	27	and	and	CC
43297	910	28	the	the	DT
43297	910	29	absence	absence	NN
43297	910	30	of	of	IN
43297	910	31	any	any	DT
43297	910	32	suitable	suitable	JJ
43297	910	33	non	non	JJ
43297	910	34	-	-	JJ
43297	910	35	plastic	plastic	JJ
43297	910	36	medium	medium	NN
43297	910	37	.	.	.
43297	911	1	Large	large	JJ
43297	911	2	portions	portion	NNS
43297	911	3	of	of	IN
43297	911	4	the	the	DT
43297	911	5	'	'	``
43297	911	6	London	London	NNP
43297	911	7	clay	clay	NN
43297	911	8	'	'	''
43297	911	9	are	be	VBP
43297	911	10	of	of	IN
43297	911	11	this	this	DT
43297	911	12	nature	nature	NN
43297	911	13	and	and	CC
43297	911	14	can	can	MD
43297	911	15	only	only	RB
43297	911	16	be	be	VB
43297	911	17	regarded	regard	VBN
43297	911	18	as	as	IN
43297	911	19	of	of	IN
43297	911	20	use	use	NN
43297	911	21	to	to	IN
43297	911	22	brick-	brick-	NN
43297	911	23	and	and	CC
43297	911	24	roofing	roof	VBG
43297	911	25	-	-	HYPH
43297	911	26	tile	tile	NN
43297	911	27	-	-	HYPH
43297	911	28	manufacturers	manufacturer	NNS
43297	911	29	when	when	WRB
43297	911	30	the	the	DT
43297	911	31	associated	associate	VBN
43297	911	32	Bagshot	Bagshot	NNP
43297	911	33	sands	sand	NNS
43297	911	34	are	be	VBP
43297	911	35	readily	readily	RB
43297	911	36	accessible	accessible	JJ
43297	911	37	.	.	.
43297	912	1	Similarly	similarly	RB
43297	912	2	,	,	,
43297	912	3	some	some	DT
43297	912	4	of	of	IN
43297	912	5	the	the	DT
43297	912	6	very	very	RB
43297	912	7	tough	tough	JJ
43297	912	8	surface	surface	NN
43297	912	9	clays	clay	NNS
43297	912	10	of	of	IN
43297	912	11	the	the	DT
43297	912	12	Northern	Northern	NNP
43297	912	13	and	and	CC
43297	912	14	Midland	Midland	NNP
43297	912	15	counties	county	NNS
43297	912	16	are	be	VBP
43297	912	17	equally	equally	RB
43297	912	18	valueless	valueless	JJ
43297	912	19	,	,	,
43297	912	20	though	though	IN
43297	912	21	designated	designate	VBN
43297	912	22	'	'	``
43297	912	23	brick	brick	NN
43297	912	24	clays	clay	NNS
43297	912	25	'	'	''
43297	912	26	in	in	IN
43297	912	27	numerous	numerous	JJ
43297	912	28	geological	geological	JJ
43297	912	29	and	and	CC
43297	912	30	other	other	JJ
43297	912	31	reports	report	NNS
43297	912	32	.	.	.
43297	913	1	It	-PRON-	PRP
43297	913	2	is	be	VBZ
43297	913	3	,	,	,
43297	913	4	therefore	therefore	RB
43297	913	5	,	,	,
43297	913	6	necessary	necessary	JJ
43297	913	7	to	to	TO
43297	913	8	remember	remember	VB
43297	913	9	that	that	IN
43297	913	10	,	,	,
43297	913	11	as	as	RB
43297	913	12	ordinarily	ordinarily	RB
43297	913	13	used	use	VBN
43297	913	14	,	,	,
43297	913	15	the	the	DT
43297	913	16	term	term	NN
43297	913	17	'	'	``
43297	913	18	brick	brick	NN
43297	913	19	clay	clay	NN
43297	913	20	'	'	''
43297	913	21	merely	merely	RB
43297	913	22	indicates	indicate	VBZ
43297	913	23	a	a	DT
43297	913	24	material	material	NN
43297	913	25	which	which	WDT
43297	913	26	appears	appear	VBZ
43297	913	27	at	at	IN
43297	913	28	first	first	JJ
43297	913	29	sight	sight	NN
43297	913	30	to	to	TO
43297	913	31	be	be	VB
43297	913	32	suitable	suitable	JJ
43297	913	33	for	for	IN
43297	913	34	brickmaking	brickmake	VBG
43297	913	35	,	,	,
43297	913	36	but	but	CC
43297	913	37	that	that	IN
43297	913	38	more	more	RBR
43297	913	39	detailed	detailed	JJ
43297	913	40	investigations	investigation	NNS
43297	913	41	are	be	VBP
43297	913	42	necessary	necessary	JJ
43297	913	43	before	before	IN
43297	913	44	it	-PRON-	PRP
43297	913	45	can	can	MD
43297	913	46	be	be	VB
43297	913	47	ascertained	ascertain	VBN
43297	913	48	whether	whether	IN
43297	913	49	a	a	DT
43297	913	50	material	material	NN
43297	913	51	so	so	RB
43297	913	52	designated	designate	VBN
43297	913	53	is	be	VBZ
43297	913	54	actually	actually	RB
43297	913	55	suitable	suitable	JJ
43297	913	56	for	for	IN
43297	913	57	the	the	DT
43297	913	58	purpose	purpose	NN
43297	913	59	.	.	.
43297	914	1	It	-PRON-	PRP
43297	914	2	is	be	VBZ
43297	914	3	also	also	RB
43297	914	4	important	important	JJ
43297	914	5	to	to	TO
43297	914	6	observe	observe	VB
43297	914	7	that	that	IN
43297	914	8	local	local	JJ
43297	914	9	industrial	industrial	JJ
43297	914	10	conditions	condition	NNS
43297	914	11	may	may	MD
43297	914	12	be	be	VB
43297	914	13	such	such	JJ
43297	914	14	that	that	IN
43297	914	15	a	a	DT
43297	914	16	valuable	valuable	JJ
43297	914	17	clay	clay	NN
43297	914	18	may	may	MD
43297	914	19	be	be	VB
43297	914	20	used	use	VBN
43297	914	21	for	for	IN
43297	914	22	brickmaking	brickmake	VBG
43297	914	23	because	because	IN
43297	914	24	there	there	EX
43297	914	25	is	be	VBZ
43297	914	26	a	a	DT
43297	914	27	demand	demand	NN
43297	914	28	for	for	IN
43297	914	29	bricks	brick	NNS
43297	914	30	,	,	,
43297	914	31	but	but	CC
43297	914	32	not	not	RB
43297	914	33	for	for	IN
43297	914	34	the	the	DT
43297	914	35	other	other	JJ
43297	914	36	articles	article	NNS
43297	914	37	for	for	IN
43297	914	38	which	which	WDT
43297	914	39	the	the	DT
43297	914	40	clay	clay	NN
43297	914	41	is	be	VBZ
43297	914	42	equally	equally	RB
43297	914	43	suitable	suitable	JJ
43297	914	44	.	.	.
43297	915	1	For	for	IN
43297	915	2	instance	instance	NN
43297	915	3	,	,	,
43297	915	4	a	a	DT
43297	915	5	considerable	considerable	JJ
43297	915	6	number	number	NN
43297	915	7	of	of	IN
43297	915	8	houses	house	NNS
43297	915	9	in	in	IN
43297	915	10	Northumberland	Northumberland	NNP
43297	915	11	and	and	CC
43297	915	12	Durham	Durham	NNP
43297	915	13	were	be	VBD
43297	915	14	built	build	VBN
43297	915	15	of	of	IN
43297	915	16	firebricks	firebrick	NNS
43297	915	17	at	at	IN
43297	915	18	a	a	DT
43297	915	19	time	time	NN
43297	915	20	when	when	WRB
43297	915	21	it	-PRON-	PRP
43297	915	22	was	be	VBD
43297	915	23	more	more	RBR
43297	915	24	profitable	profitable	JJ
43297	915	25	to	to	TO
43297	915	26	sell	sell	VB
43297	915	27	these	these	DT
43297	915	28	articles	article	NNS
43297	915	29	for	for	IN
43297	915	30	domestic	domestic	JJ
43297	915	31	buildings	building	NNS
43297	915	32	than	than	IN
43297	915	33	for	for	IN
43297	915	34	furnaces	furnace	NNS
43297	915	35	.	.	.
43297	916	1	In	in	IN
43297	916	2	many	many	JJ
43297	916	3	ways	way	NNS
43297	916	4	the	the	DT
43297	916	5	bricks	brick	NNS
43297	916	6	used	use	VBN
43297	916	7	for	for	IN
43297	916	8	internal	internal	JJ
43297	916	9	structural	structural	JJ
43297	916	10	work	work	NN
43297	916	11	form	form	NN
43297	916	12	the	the	DT
43297	916	13	simplest	simple	JJS
43297	916	14	and	and	CC
43297	916	15	most	most	RBS
43297	916	16	easily	easily	RB
43297	916	17	manufactured	manufacture	VBN
43297	916	18	of	of	IN
43297	916	19	all	all	DT
43297	916	20	articles	article	NNS
43297	916	21	made	make	VBN
43297	916	22	from	from	IN
43297	916	23	clay	clay	NN
43297	916	24	.	.	.
43297	917	1	The	the	DT
43297	917	2	colour	colour	NN
43297	917	3	of	of	IN
43297	917	4	the	the	DT
43297	917	5	finished	finished	JJ
43297	917	6	product	product	NN
43297	917	7	is	be	VBZ
43297	917	8	of	of	IN
43297	917	9	minor	minor	JJ
43297	917	10	importance	importance	NN
43297	917	11	and	and	CC
43297	917	12	so	so	RB
43297	917	13	long	long	RB
43297	917	14	as	as	IN
43297	917	15	a	a	DT
43297	917	16	brick	brick	NN
43297	917	17	of	of	IN
43297	917	18	reasonably	reasonably	RB
43297	917	19	accurate	accurate	JJ
43297	917	20	shape	shape	NN
43297	917	21	and	and	CC
43297	917	22	of	of	IN
43297	917	23	sufficient	sufficient	JJ
43297	917	24	strength	strength	NN
43297	917	25	is	be	VBZ
43297	917	26	produced	produce	VBN
43297	917	27	at	at	IN
43297	917	28	a	a	DT
43297	917	29	cheap	cheap	JJ
43297	917	30	rate	rate	NN
43297	917	31	,	,	,
43297	917	32	little	little	JJ
43297	917	33	else	else	JJ
43297	917	34	is	be	VBZ
43297	917	35	expected	expect	VBN
43297	917	36	.	.	.
43297	918	1	Impurities	impurity	NNS
43297	918	2	--	--	:
43297	918	3	unless	unless	IN
43297	918	4	in	in	IN
43297	918	5	excessively	excessively	RB
43297	918	6	large	large	JJ
43297	918	7	proportions	proportion	NNS
43297	918	8	--	--	:
43297	918	9	are	be	VBP
43297	918	10	of	of	IN
43297	918	11	small	small	JJ
43297	918	12	importance	importance	NN
43297	918	13	and	and	CC
43297	918	14	,	,	,
43297	918	15	indeed	indeed	RB
43297	918	16	,	,	,
43297	918	17	sand	sand	NN
43297	918	18	may	may	MD
43297	918	19	almost	almost	RB
43297	918	20	be	be	VB
43297	918	21	considered	consider	VBN
43297	918	22	an	an	DT
43297	918	23	essential	essential	JJ
43297	918	24	constituent	constituent	NN
43297	918	25	of	of	IN
43297	918	26	a	a	DT
43297	918	27	material	material	NN
43297	918	28	to	to	TO
43297	918	29	be	be	VB
43297	918	30	used	use	VBN
43297	918	31	for	for	IN
43297	918	32	making	make	VBG
43297	918	33	ordinary	ordinary	JJ
43297	918	34	bricks	brick	NNS
43297	918	35	.	.	.
43297	919	1	It	-PRON-	PRP
43297	919	2	is	be	VBZ
43297	919	3	,	,	,
43297	919	4	therefore	therefore	RB
43297	919	5	,	,	,
43297	919	6	possible	possible	JJ
43297	919	7	to	to	TO
43297	919	8	utilize	utilize	VB
43297	919	9	for	for	IN
43297	919	10	this	this	DT
43297	919	11	purpose	purpose	NN
43297	919	12	some	some	DT
43297	919	13	materials	material	NNS
43297	919	14	containing	contain	VBG
43297	919	15	so	so	RB
43297	919	16	little	little	JJ
43297	919	17	'	'	``
43297	919	18	clay	clay	NN
43297	919	19	'	'	''
43297	919	20	as	as	IN
43297	919	21	to	to	TO
43297	919	22	make	make	VB
43297	919	23	them	-PRON-	PRP
43297	919	24	scarcely	scarcely	RB
43297	919	25	fit	fit	VB
43297	919	26	to	to	TO
43297	919	27	be	be	VB
43297	919	28	included	include	VBN
43297	919	29	in	in	IN
43297	919	30	this	this	DT
43297	919	31	term	term	NN
43297	919	32	.	.	.
43297	920	1	So	so	RB
43297	920	2	long	long	RB
43297	920	3	as	as	IN
43297	920	4	the	the	DT
43297	920	5	adventitious	adventitious	JJ
43297	920	6	materials	material	NNS
43297	920	7	consist	consist	VBP
43297	920	8	chiefly	chiefly	RB
43297	920	9	of	of	IN
43297	920	10	silica	silica	NNP
43297	920	11	and	and	CC
43297	920	12	chalk	chalk	NN
43297	920	13	and	and	CC
43297	920	14	the	the	DT
43297	920	15	mixture	mixture	NN
43297	920	16	is	be	VBZ
43297	920	17	sufficiently	sufficiently	RB
43297	920	18	plastic	plastic	NN
43297	920	19	to	to	TO
43297	920	20	make	make	VB
43297	920	21	strong	strong	JJ
43297	920	22	bricks	brick	NNS
43297	920	23	,	,	,
43297	920	24	it	-PRON-	PRP
43297	920	25	may	may	MD
43297	920	26	be	be	VB
43297	920	27	used	use	VBN
43297	920	28	satisfactorily	satisfactorily	RB
43297	920	29	in	in	IN
43297	920	30	spite	spite	NN
43297	920	31	of	of	IN
43297	920	32	its	-PRON-	PRP$
43297	920	33	low	low	JJ
43297	920	34	content	content	NN
43297	920	35	of	of	IN
43297	920	36	clay	clay	NN
43297	920	37	,	,	,
43297	920	38	but	but	CC
43297	920	39	if	if	IN
43297	920	40	the	the	DT
43297	920	41	so	so	RB
43297	920	42	-	-	HYPH
43297	920	43	called	call	VBN
43297	920	44	'	'	``
43297	920	45	brick	brick	NN
43297	920	46	clay	clay	NN
43297	920	47	'	'	''
43297	920	48	contains	contain	VBZ
43297	920	49	limestone	limestone	NN
43297	920	50	,	,	,
43297	920	51	either	either	CC
43297	920	52	in	in	IN
43297	920	53	large	large	JJ
43297	920	54	grains	grain	NNS
43297	920	55	or	or	CC
43297	920	56	nodules	nodule	NNS
43297	920	57	,	,	,
43297	920	58	it	-PRON-	PRP
43297	920	59	will	will	MD
43297	920	60	be	be	VB
43297	920	61	liable	liable	JJ
43297	920	62	to	to	TO
43297	920	63	burst	burst	VB
43297	920	64	the	the	DT
43297	920	65	bricks	brick	NNS
43297	920	66	or	or	CC
43297	920	67	to	to	TO
43297	920	68	produce	produce	VB
43297	920	69	unsightly	unsightly	RB
43297	920	70	'	'	``
43297	920	71	blow	blow	NN
43297	920	72	-	-	HYPH
43297	920	73	holes	hole	NNS
43297	920	74	'	'	''
43297	920	75	on	on	IN
43297	920	76	their	-PRON-	PRP$
43297	920	77	surfaces	surface	NNS
43297	920	78	.	.	.
43297	921	1	If	if	IN
43297	921	2	too	too	RB
43297	921	3	much	much	JJ
43297	921	4	sand	sand	NN
43297	921	5	or	or	CC
43297	921	6	other	other	JJ
43297	921	7	non	non	JJ
43297	921	8	-	-	JJ
43297	921	9	plastic	plastic	JJ
43297	921	10	material	material	NN
43297	921	11	is	be	VBZ
43297	921	12	present	present	JJ
43297	921	13	,	,	,
43297	921	14	the	the	DT
43297	921	15	resulting	result	VBG
43297	921	16	bricks	brick	NNS
43297	921	17	will	will	MD
43297	921	18	be	be	VB
43297	921	19	too	too	RB
43297	921	20	weak	weak	JJ
43297	921	21	to	to	TO
43297	921	22	be	be	VB
43297	921	23	satisfactory	satisfactory	JJ
43297	921	24	.	.	.
43297	922	1	No	no	DT
43297	922	2	brick	brick	NN
43297	922	3	clay	clay	NN
43297	922	4	can	can	MD
43297	922	5	be	be	VB
43297	922	6	regarded	regard	VBN
43297	922	7	as	as	IN
43297	922	8	'	'	``
43297	922	9	safe	safe	JJ
43297	922	10	'	'	''
43297	922	11	if	if	IN
43297	922	12	it	-PRON-	PRP
43297	922	13	contains	contain	VBZ
43297	922	14	nodules	nodule	NNS
43297	922	15	of	of	IN
43297	922	16	limestone	limestone	NN
43297	922	17	--	--	:
43297	922	18	unless	unless	IN
43297	922	19	these	these	DT
43297	922	20	can	can	MD
43297	922	21	be	be	VB
43297	922	22	removed	remove	VBN
43297	922	23	during	during	IN
43297	922	24	the	the	DT
43297	922	25	preparation	preparation	NN
43297	922	26	of	of	IN
43297	922	27	the	the	DT
43297	922	28	material	material	NN
43297	922	29	--	--	:
43297	922	30	or	or	CC
43297	922	31	if	if	IN
43297	922	32	the	the	DT
43297	922	33	resulting	result	VBG
43297	922	34	bricks	brick	NNS
43297	922	35	will	will	MD
43297	922	36	not	not	RB
43297	922	37	show	show	VB
43297	922	38	a	a	DT
43297	922	39	crushing	crushing	NN
43297	922	40	strength	strength	NN
43297	922	41	of	of	IN
43297	922	42	at	at	RB
43297	922	43	least	least	RBS
43297	922	44	85	85	CD
43297	922	45	tons	ton	NNS
43297	922	46	per	per	IN
43297	922	47	square	square	JJ
43297	922	48	foot	foot	NN
43297	922	49	.	.	.
43297	923	1	The	the	DT
43297	923	2	introduction	introduction	NN
43297	923	3	of	of	IN
43297	923	4	machinery	machinery	NN
43297	923	5	in	in	IN
43297	923	6	place	place	NN
43297	923	7	of	of	IN
43297	923	8	hand	hand	NN
43297	923	9	-	-	HYPH
43297	923	10	moulding	moulding	NN
43297	923	11	and	and	CC
43297	923	12	of	of	IN
43297	923	13	kilns	kiln	NNS
43297	923	14	instead	instead	RB
43297	923	15	of	of	IN
43297	923	16	clamps	clamp	NNS
43297	923	17	has	have	VBZ
43297	923	18	greatly	greatly	RB
43297	923	19	raised	raise	VBN
43297	923	20	the	the	DT
43297	923	21	standard	standard	NN
43297	923	22	of	of	IN
43297	923	23	strength	strength	NN
43297	923	24	,	,	,
43297	923	25	accuracy	accuracy	NN
43297	923	26	in	in	IN
43297	923	27	shape	shape	NN
43297	923	28	and	and	CC
43297	923	29	uniformity	uniformity	NN
43297	923	30	in	in	IN
43297	923	31	colour	colour	NN
43297	923	32	in	in	IN
43297	923	33	many	many	JJ
43297	923	34	districts	district	NNS
43297	923	35	,	,	,
43297	923	36	and	and	CC
43297	923	37	many	many	JJ
43297	923	38	builders	builder	NNS
43297	923	39	in	in	IN
43297	923	40	the	the	DT
43297	923	41	Midlands	midland	NNS
43297	923	42	now	now	RB
43297	923	43	expect	expect	VBP
43297	923	44	to	to	TO
43297	923	45	sort	sort	VB
43297	923	46	out	out	RP
43297	923	47	from	from	IN
43297	923	48	the	the	DT
43297	923	49	'	'	``
43297	923	50	common	common	JJ
43297	923	51	bricks	brick	NNS
43297	923	52	'	'	POS
43297	923	53	purchased	purchase	VBN
43297	923	54	,	,	,
43297	923	55	a	a	DT
43297	923	56	sufficient	sufficient	JJ
43297	923	57	number	number	NN
43297	923	58	of	of	IN
43297	923	59	superior	superior	JJ
43297	923	60	quality	quality	NN
43297	923	61	to	to	TO
43297	923	62	furnish	furnish	VB
43297	923	63	all	all	PDT
43297	923	64	the	the	DT
43297	923	65	'	'	``
43297	923	66	facing	face	VBG
43297	923	67	bricks	brick	NNS
43297	923	68	'	'	''
43297	923	69	they	-PRON-	PRP
43297	923	70	require	require	VBP
43297	923	71	.	.	.
43297	924	1	Apart	apart	RB
43297	924	2	from	from	IN
43297	924	3	this	this	DT
43297	924	4	,	,	,
43297	924	5	and	and	CC
43297	924	6	in	in	IN
43297	924	7	districts	district	NNS
43297	924	8	where	where	WRB
43297	924	9	buildings	building	NNS
43297	924	10	are	be	VBP
43297	924	11	faced	face	VBN
43297	924	12	with	with	IN
43297	924	13	stone	stone	NN
43297	924	14	or	or	CC
43297	924	15	with	with	IN
43297	924	16	bricks	brick	NNS
43297	924	17	of	of	IN
43297	924	18	a	a	DT
43297	924	19	superior	superior	JJ
43297	924	20	quality	quality	NN
43297	924	21	,	,	,
43297	924	22	the	the	DT
43297	924	23	'	'	``
43297	924	24	stock	stock	NN
43297	924	25	'	'	''
43297	924	26	or	or	CC
43297	924	27	'	'	``
43297	924	28	common	common	JJ
43297	924	29	brick	brick	NN
43297	924	30	'	'	''
43297	924	31	may	may	MD
43297	924	32	be	be	VB
43297	924	33	made	make	VBN
43297	924	34	from	from	IN
43297	924	35	almost	almost	RB
43297	924	36	any	any	DT
43297	924	37	clay	clay	NN
43297	924	38	which	which	WDT
43297	924	39	will	will	MD
43297	924	40	bear	bear	VB
43297	924	41	drying	drying	NN
43297	924	42	and	and	CC
43297	924	43	heating	heating	NN
43297	924	44	to	to	IN
43297	924	45	redness	redness	NN
43297	924	46	without	without	IN
43297	924	47	shrinking	shrink	VBG
43297	924	48	excessively	excessively	RB
43297	924	49	or	or	CC
43297	924	50	cracking	crack	VBG
43297	924	51	.	.	.
43297	925	1	A	a	DT
43297	925	2	linear	linear	JJ
43297	925	3	shrinkage	shrinkage	NN
43297	925	4	of	of	IN
43297	925	5	1	1	CD
43297	925	6	in	in	IN
43297	925	7	.	.	.
43297	926	1	per	per	IN
43297	926	2	foot	foot	NN
43297	926	3	(=	(=	NNP
43297	926	4	8	8	CD
43297	926	5	-	-	SYM
43297	926	6	1/2	1/2	CD
43297	926	7	per	per	IN
43297	926	8	cent	cent	NN
43297	926	9	.	.	.
43297	926	10	)	)	-RRB-
43297	927	1	may	may	MD
43297	927	2	be	be	VB
43297	927	3	regarded	regard	VBN
43297	927	4	as	as	IN
43297	927	5	the	the	DT
43297	927	6	maximum	maximum	NN
43297	927	7	with	with	IN
43297	927	8	most	most	JJS
43297	927	9	materials	material	NNS
43297	927	10	used	use	VBN
43297	927	11	for	for	IN
43297	927	12	brickmaking	brickmake	VBG
43297	927	13	.	.	.
43297	928	1	Clays	clay	NNS
43297	928	2	which	which	WDT
43297	928	3	shrink	shrink	VBP
43297	928	4	more	more	JJR
43297	928	5	than	than	IN
43297	928	6	this	this	DT
43297	928	7	must	must	MD
43297	928	8	have	have	VB
43297	928	9	a	a	DT
43297	928	10	suitable	suitable	JJ
43297	928	11	quantity	quantity	NN
43297	928	12	of	of	IN
43297	928	13	grog	grog	NNS
43297	928	14	,	,	,
43297	928	15	sand	sand	NN
43297	928	16	,	,	,
43297	928	17	chalk	chalk	NNP
43297	928	18	,	,	,
43297	928	19	ashes	ashe	NNS
43297	928	20	or	or	CC
43297	928	21	other	other	JJ
43297	928	22	suitable	suitable	JJ
43297	928	23	non	non	JJ
43297	928	24	-	-	JJ
43297	928	25	plastic	plastic	JJ
43297	928	26	material	material	NN
43297	928	27	added	add	VBD
43297	928	28	.	.	.
43297	929	1	If	if	IN
43297	929	2	the	the	DT
43297	929	3	clay	clay	NN
43297	929	4	contains	contain	VBZ
43297	929	5	much	much	JJ
43297	929	6	ferric	ferric	JJ
43297	929	7	oxide	oxide	NN
43297	929	8	it	-PRON-	PRP
43297	929	9	will	will	MD
43297	929	10	produce	produce	VB
43297	929	11	red	red	JJ
43297	929	12	or	or	CC
43297	929	13	brown	brown	JJ
43297	929	14	bricks	brick	NNS
43297	929	15	according	accord	VBG
43297	929	16	to	to	IN
43297	929	17	the	the	DT
43297	929	18	temperature	temperature	NN
43297	929	19	reached	reach	VBN
43297	929	20	in	in	IN
43297	929	21	the	the	DT
43297	929	22	kiln	kiln	NN
43297	929	23	,	,	,
43297	929	24	but	but	CC
43297	929	25	if	if	IN
43297	929	26	much	much	JJ
43297	929	27	chalk	chalk	NN
43297	929	28	is	be	VBZ
43297	929	29	also	also	RB
43297	929	30	present	present	JJ
43297	929	31	(	(	-LRB-
43297	929	32	or	or	CC
43297	929	33	is	be	VBZ
43297	929	34	added	add	VBN
43297	929	35	purposely	purposely	RB
43297	929	36	)	)	-RRB-
43297	929	37	a	a	DT
43297	929	38	combined	combine	VBN
43297	929	39	lime	lime	NN
43297	929	40	-	-	HYPH
43297	929	41	iron	iron	NN
43297	929	42	-	-	HYPH
43297	929	43	silicate	silicate	NN
43297	929	44	is	be	VBZ
43297	929	45	produced	produce	VBN
43297	929	46	and	and	CC
43297	929	47	the	the	DT
43297	929	48	bricks	brick	NNS
43297	929	49	will	will	MD
43297	929	50	be	be	VB
43297	929	51	white	white	JJ
43297	929	52	in	in	IN
43297	929	53	colour	colour	NN
43297	929	54	.	.	.
43297	930	1	If	if	IN
43297	930	2	only	only	RB
43297	930	3	a	a	DT
43297	930	4	small	small	JJ
43297	930	5	percentage	percentage	NN
43297	930	6	of	of	IN
43297	930	7	ferric	ferric	JJ
43297	930	8	oxide	oxide	NN
43297	930	9	is	be	VBZ
43297	930	10	present	present	JJ
43297	930	11	a	a	DT
43297	930	12	clay	clay	NN
43297	930	13	will	will	MD
43297	930	14	produce	produce	VB
43297	930	15	buff	buff	NNP
43297	930	16	bricks	brick	NNS
43297	930	17	,	,	,
43297	930	18	which	which	WDT
43297	930	19	will	will	MD
43297	930	20	be	be	VB
43297	930	21	spotted	spot	VBN
43297	930	22	with	with	IN
43297	930	23	minute	minute	JJ
43297	930	24	black	black	JJ
43297	930	25	specks	speck	NNS
43297	930	26	or	or	CC
43297	930	27	larger	large	JJR
43297	930	28	masses	masse	NNS
43297	930	29	of	of	IN
43297	930	30	a	a	DT
43297	930	31	greyish	greyish	JJ
43297	930	32	black	black	JJ
43297	930	33	slag	slag	NN
43297	930	34	if	if	IN
43297	930	35	pyrites	pyrite	NNS
43297	930	36	are	be	VBP
43297	930	37	also	also	RB
43297	930	38	present	present	JJ
43297	930	39	or	or	CC
43297	930	40	if	if	IN
43297	930	41	ferrous	ferrous	JJ
43297	930	42	silicate	silicate	NN
43297	930	43	has	have	VBZ
43297	930	44	been	be	VBN
43297	930	45	produced	produce	VBN
43297	930	46	by	by	IN
43297	930	47	the	the	DT
43297	930	48	reduction	reduction	NN
43297	930	49	of	of	IN
43297	930	50	the	the	DT
43297	930	51	iron	iron	NN
43297	930	52	compounds	compound	NNS
43297	930	53	and	and	CC
43297	930	54	their	-PRON-	PRP$
43297	930	55	subsequent	subsequent	JJ
43297	930	56	combination	combination	NN
43297	930	57	with	with	IN
43297	930	58	silica	silica	NN
43297	930	59	.	.	.
43297	931	1	Further	further	JJ
43297	931	2	information	information	NN
43297	931	3	on	on	IN
43297	931	4	brick	brick	NN
43297	931	5	earths	earth	NNS
43297	931	6	will	will	MD
43297	931	7	be	be	VB
43297	931	8	found	find	VBN
43297	931	9	on	on	IN
43297	931	10	page	page	NN
43297	931	11	67	67	CD
43297	931	12	.	.	.
43297	932	1	A	a	DT
43297	932	2	description	description	NN
43297	932	3	of	of	IN
43297	932	4	the	the	DT
43297	932	5	processes	process	NNS
43297	932	6	used	use	VBN
43297	932	7	in	in	IN
43297	932	8	the	the	DT
43297	932	9	manufacture	manufacture	NN
43297	932	10	of	of	IN
43297	932	11	bricks	brick	NNS
43297	932	12	being	be	VBG
43297	932	13	outside	outside	IN
43297	932	14	the	the	DT
43297	932	15	scope	scope	NN
43297	932	16	of	of	IN
43297	932	17	the	the	DT
43297	932	18	present	present	JJ
43297	932	19	work	work	NN
43297	932	20	,	,	,
43297	932	21	the	the	DT
43297	932	22	reader	reader	NN
43297	932	23	requiring	require	VBG
43297	932	24	information	information	NN
43297	932	25	on	on	IN
43297	932	26	this	this	DT
43297	932	27	subject	subject	NN
43297	932	28	should	should	MD
43297	932	29	consult	consult	VB
43297	932	30	_	_	NNP
43297	932	31	Modern	Modern	NNP
43297	932	32	Brickmaking	Brickmaking	NNP
43297	932	33	_	_	NNP
43297	932	34	(	(	-LRB-
43297	932	35	25	25	CD
43297	932	36	)	)	-RRB-
43297	932	37	or	or	CC
43297	932	38	some	some	DT
43297	932	39	similar	similar	JJ
43297	932	40	treatise	treatise	NN
43297	932	41	.	.	.
43297	933	1	_	_	NNP
43297	933	2	Roofing	Roofing	NNP
43297	933	3	tiles	tile	NNS
43297	933	4	_	_	IN
43297	933	5	require	require	VBP
43297	933	6	clays	clay	NNS
43297	933	7	of	of	IN
43297	933	8	finer	fine	JJR
43297	933	9	texture	texture	NN
43297	933	10	than	than	IN
43297	933	11	those	those	DT
43297	933	12	which	which	WDT
43297	933	13	may	may	MD
43297	933	14	be	be	VB
43297	933	15	made	make	VBN
43297	933	16	into	into	IN
43297	933	17	bricks	brick	NNS
43297	933	18	.	.	.
43297	934	1	Stones	stone	NNS
43297	934	2	,	,	,
43297	934	3	if	if	IN
43297	934	4	present	present	NN
43297	934	5	,	,	,
43297	934	6	must	must	MD
43297	934	7	be	be	VB
43297	934	8	removed	remove	VBN
43297	934	9	by	by	IN
43297	934	10	washing	wash	VBG
43297	934	11	or	or	CC
43297	934	12	other	other	JJ
43297	934	13	treatment	treatment	NN
43297	934	14	,	,	,
43297	934	15	as	as	IN
43297	934	16	it	-PRON-	PRP
43297	934	17	is	be	VBZ
43297	934	18	seldom	seldom	JJ
43297	934	19	that	that	IN
43297	934	20	they	-PRON-	PRP
43297	934	21	can	can	MD
43297	934	22	be	be	VB
43297	934	23	crushed	crush	VBN
43297	934	24	to	to	IN
43297	934	25	a	a	DT
43297	934	26	sufficiently	sufficiently	RB
43297	934	27	fine	fine	JJ
43297	934	28	powder	powder	NN
43297	934	29	,	,	,
43297	934	30	unless	unless	IN
43297	934	31	only	only	RB
43297	934	32	rough	rough	JJ
43297	934	33	work	work	NN
43297	934	34	is	be	VBZ
43297	934	35	required	require	VBN
43297	934	36	.	.	.
43297	935	1	If	if	IN
43297	935	2	sufficiently	sufficiently	RB
43297	935	3	fine	fine	JJ
43297	935	4	,	,	,
43297	935	5	the	the	DT
43297	935	6	clay	clay	NN
43297	935	7	used	use	VBN
43297	935	8	for	for	IN
43297	935	9	roofing	roof	VBG
43297	935	10	tiles	tile	NNS
43297	935	11	may	may	MD
43297	935	12	be	be	VB
43297	935	13	precisely	precisely	RB
43297	935	14	the	the	DT
43297	935	15	same	same	JJ
43297	935	16	as	as	IN
43297	935	17	that	that	DT
43297	935	18	used	use	VBD
43297	935	19	for	for	IN
43297	935	20	bricks	brick	NNS
43297	935	21	and	and	CC
43297	935	22	is	be	VBZ
43297	935	23	treated	treat	VBN
43297	935	24	in	in	IN
43297	935	25	a	a	DT
43297	935	26	similar	similar	JJ
43297	935	27	manner	manner	NN
43297	935	28	.	.	.
43297	936	1	It	-PRON-	PRP
43297	936	2	must	must	MD
43297	936	3	,	,	,
43297	936	4	however	however	RB
43297	936	5	,	,	,
43297	936	6	be	be	VB
43297	936	7	of	of	IN
43297	936	8	such	such	PDT
43297	936	9	a	a	DT
43297	936	10	nature	nature	NN
43297	936	11	that	that	IN
43297	936	12	it	-PRON-	PRP
43297	936	13	will	will	MD
43297	936	14	not	not	RB
43297	936	15	warp	warp	VB
43297	936	16	or	or	CC
43297	936	17	twist	twist	NN
43297	936	18	during	during	IN
43297	936	19	the	the	DT
43297	936	20	burning	burning	NN
43297	936	21	;	;	:
43297	936	22	it	-PRON-	PRP
43297	936	23	must	must	MD
43297	936	24	,	,	,
43297	936	25	therefore	therefore	RB
43297	936	26	,	,	,
43297	936	27	have	have	VBP
43297	936	28	a	a	DT
43297	936	29	long	long	JJ
43297	936	30	range	range	NN
43297	936	31	of	of	IN
43297	936	32	vitrification	vitrification	NN
43297	936	33	(	(	-LRB-
43297	936	34	p.	p.	NN
43297	936	35	38	38	CD
43297	936	36	)	)	-RRB-
43297	936	37	.	.	.
43297	937	1	_	_	NNP
43297	937	2	Terra	Terra	NNP
43297	937	3	-	-	HYPH
43297	937	4	cotta	cotta	NNP
43297	937	5	_	_	NNP
43297	937	6	is	be	VBZ
43297	937	7	an	an	DT
43297	937	8	Italian	italian	JJ
43297	937	9	term	term	NN
43297	937	10	signifying	signify	VBG
43297	937	11	baked	baked	JJ
43297	937	12	earth	earth	NN
43297	937	13	,	,	,
43297	937	14	but	but	CC
43297	937	15	its	-PRON-	PRP$
43297	937	16	meaning	meaning	NN
43297	937	17	is	be	VBZ
43297	937	18	now	now	RB
43297	937	19	limited	limited	JJ
43297	937	20	to	to	IN
43297	937	21	those	those	DT
43297	937	22	articles	article	NNS
43297	937	23	made	make	VBN
43297	937	24	of	of	IN
43297	937	25	clay	clay	NN
43297	937	26	which	which	WDT
43297	937	27	are	be	VBP
43297	937	28	not	not	RB
43297	937	29	classed	class	VBN
43297	937	30	as	as	IN
43297	937	31	pottery	pottery	NN
43297	937	32	,	,	,
43297	937	33	such	such	JJ
43297	937	34	as	as	IN
43297	937	35	statues	statue	NNS
43297	937	36	,	,	,
43297	937	37	large	large	JJ
43297	937	38	vases	vase	NNS
43297	937	39	,	,	,
43297	937	40	pillars	pillar	NNS
43297	937	41	,	,	,
43297	937	42	etc	etc	FW
43297	937	43	.	.	.
43297	937	44	,	,	,
43297	937	45	modelled	model	VBN
43297	937	46	work	work	NN
43297	937	47	used	use	VBN
43297	937	48	in	in	IN
43297	937	49	architecture	architecture	NN
43297	937	50	,	,	,
43297	937	51	or	or	CC
43297	937	52	for	for	IN
43297	937	53	external	external	JJ
43297	937	54	decoration	decoration	NN
43297	937	55	.	.	.
43297	938	1	Although	although	IN
43297	938	2	the	the	DT
43297	938	3	distinction	distinction	NN
43297	938	4	can	can	MD
43297	938	5	not	not	RB
43297	938	6	be	be	VB
43297	938	7	rigidly	rigidly	RB
43297	938	8	maintained	maintain	VBN
43297	938	9	,	,	,
43297	938	10	articles	article	NNS
43297	938	11	made	make	VBN
43297	938	12	of	of	IN
43297	938	13	clay	clay	NN
43297	938	14	may	may	MD
43297	938	15	be	be	VB
43297	938	16	roughly	roughly	RB
43297	938	17	divided	divide	VBN
43297	938	18	into	into	IN
43297	938	19	(	(	-LRB-
43297	938	20	_	_	NNP
43297	938	21	a	a	DT
43297	938	22	_	_	NNP
43297	938	23	)	)	-RRB-
43297	938	24	Pottery	Pottery	NNP
43297	938	25	(	(	-LRB-
43297	938	26	_	_	NNP
43297	938	27	faience	faience	NN
43297	938	28	_	_	NNP
43297	938	29	)	)	-RRB-
43297	938	30	and	and	CC
43297	938	31	porcelain	porcelain	NN
43297	938	32	(	(	-LRB-
43297	938	33	glazed	glazed	NNP
43297	938	34	)	)	-RRB-
43297	938	35	,	,	,
43297	938	36	(	(	-LRB-
43297	938	37	_	_	NNP
43297	938	38	b	b	NNP
43297	938	39	_	_	NNP
43297	938	40	)	)	-RRB-
43297	938	41	Terra	Terra	NNP
43297	938	42	-	-	HYPH
43297	938	43	cotta	cotta	NNP
43297	938	44	(	(	-LRB-
43297	938	45	unglazed	unglazed	JJ
43297	938	46	)	)	-RRB-
43297	938	47	,	,	,
43297	938	48	(	(	-LRB-
43297	938	49	_	_	NNP
43297	938	50	c	c	NNP
43297	938	51	_	_	NNP
43297	938	52	)	)	-RRB-
43297	938	53	Bricks	brick	NNS
43297	938	54	and	and	CC
43297	938	55	unglazed	unglazed	JJ
43297	938	56	tiles	tile	NNS
43297	938	57	devoid	devoid	JJ
43297	938	58	of	of	IN
43297	938	59	decoration	decoration	NN
43297	938	60	.	.	.
43297	939	1	In	in	IN
43297	939	2	this	this	DT
43297	939	3	sense	sense	NN
43297	939	4	,	,	,
43297	939	5	terra	terra	NN
43297	939	6	-	-	HYPH
43297	939	7	cotta	cotta	NNP
43297	939	8	occupies	occupy	VBZ
43297	939	9	an	an	DT
43297	939	10	intermediate	intermediate	JJ
43297	939	11	position	position	NN
43297	939	12	between	between	IN
43297	939	13	pottery	pottery	NN
43297	939	14	and	and	CC
43297	939	15	bricks	brick	NNS
43297	939	16	,	,	,
43297	939	17	but	but	CC
43297	939	18	no	no	DT
43297	939	19	satisfactory	satisfactory	JJ
43297	939	20	definition	definition	NN
43297	939	21	has	have	VBZ
43297	939	22	yet	yet	RB
43297	939	23	been	be	VBN
43297	939	24	found	find	VBN
43297	939	25	for	for	IN
43297	939	26	it	-PRON-	PRP
43297	939	27	.	.	.
43297	940	1	Thus	thus	RB
43297	940	2	,	,	,
43297	940	3	bricks	brick	NNS
43297	940	4	with	with	IN
43297	940	5	a	a	DT
43297	940	6	modelled	model	VBN
43297	940	7	or	or	CC
43297	940	8	moulded	mould	VBN
43297	940	9	ornament	ornament	NN
43297	940	10	are	be	VBP
43297	940	11	,	,	,
43297	940	12	strictly	strictly	RB
43297	940	13	,	,	,
43297	940	14	terra	terra	NNP
43297	940	15	-	-	HYPH
43297	940	16	cotta	cotta	NNP
43297	940	17	,	,	,
43297	940	18	yet	yet	CC
43297	940	19	are	be	VBP
43297	940	20	not	not	RB
43297	940	21	so	so	RB
43297	940	22	named	name	VBN
43297	940	23	,	,	,
43297	940	24	and	and	CC
43297	940	25	some	some	DT
43297	940	26	pottery	pottery	NN
43297	940	27	is	be	VBZ
43297	940	28	unglazed	unglazed	JJ
43297	940	29	and	and	CC
43297	940	30	yet	yet	RB
43297	940	31	is	be	VBZ
43297	940	32	never	never	RB
43297	940	33	classed	class	VBN
43297	940	34	as	as	IN
43297	940	35	terra	terra	NNP
43297	940	36	-	-	HYPH
43297	940	37	cotta	cotta	NNP
43297	940	38	,	,	,
43297	940	39	whilst	whilst	IN
43297	940	40	glazed	glaze	VBN
43297	940	41	bricks	brick	NNS
43297	940	42	are	be	VBP
43297	940	43	never	never	RB
43297	940	44	regarded	regard	VBN
43297	940	45	as	as	IN
43297	940	46	pottery	pottery	NN
43297	940	47	.	.	.
43297	941	1	Again	again	RB
43297	941	2	during	during	IN
43297	941	3	the	the	DT
43297	941	4	past	past	JJ
43297	941	5	few	few	JJ
43297	941	6	years	year	NNS
43297	941	7	,	,	,
43297	941	8	what	what	WP
43297	941	9	is	be	VBZ
43297	941	10	termed	term	VBN
43297	941	11	'	'	''
43297	941	12	glazed	glaze	VBN
43297	941	13	terra	terra	NNP
43297	941	14	-	-	HYPH
43297	941	15	cotta	cotta	NNP
43297	941	16	'	'	''
43297	941	17	has	have	VBZ
43297	941	18	been	be	VBN
43297	941	19	largely	largely	RB
43297	941	20	used	use	VBN
43297	941	21	for	for	IN
43297	941	22	architectural	architectural	JJ
43297	941	23	purposes	purpose	NNS
43297	941	24	,	,	,
43297	941	25	yet	yet	CC
43297	941	26	this	this	DT
43297	941	27	is	be	VBZ
43297	941	28	really	really	RB
43297	941	29	'	'	``
43297	941	30	faience	faience	NN
43297	941	31	.	.	.
43297	941	32	'	'	''
43297	942	1	Although	although	IN
43297	942	2	this	this	DT
43297	942	3	overlapping	overlapping	NN
43297	942	4	of	of	IN
43297	942	5	terms	term	NNS
43297	942	6	may	may	MD
43297	942	7	appear	appear	VB
43297	942	8	confusing	confusing	JJ
43297	942	9	to	to	IN
43297	942	10	the	the	DT
43297	942	11	reader	reader	NN
43297	942	12	,	,	,
43297	942	13	it	-PRON-	PRP
43297	942	14	does	do	VBZ
43297	942	15	not	not	RB
43297	942	16	cause	cause	VB
43297	942	17	any	any	DT
43297	942	18	appreciable	appreciable	JJ
43297	942	19	amount	amount	NN
43297	942	20	of	of	IN
43297	942	21	inconvenience	inconvenience	NN
43297	942	22	to	to	IN
43297	942	23	the	the	DT
43297	942	24	manufacturers	manufacturer	NNS
43297	942	25	or	or	CC
43297	942	26	users	user	NNS
43297	942	27	,	,	,
43297	942	28	as	as	IN
43297	942	29	it	-PRON-	PRP
43297	942	30	is	be	VBZ
43297	942	31	not	not	RB
43297	942	32	difficult	difficult	JJ
43297	942	33	for	for	IN
43297	942	34	a	a	DT
43297	942	35	practical	practical	JJ
43297	942	36	clayworker	clayworker	NN
43297	942	37	to	to	TO
43297	942	38	decide	decide	VB
43297	942	39	in	in	IN
43297	942	40	which	which	WDT
43297	942	41	of	of	IN
43297	942	42	the	the	DT
43297	942	43	three	three	CD
43297	942	44	classes	class	NNS
43297	942	45	mentioned	mention	VBD
43297	942	46	a	a	DT
43297	942	47	given	give	VBN
43297	942	48	article	article	NN
43297	942	49	should	should	MD
43297	942	50	be	be	VB
43297	942	51	placed	place	VBN
43297	942	52	.	.	.
43297	943	1	Partly	partly	RB
43297	943	2	on	on	IN
43297	943	3	account	account	NN
43297	943	4	of	of	IN
43297	943	5	the	the	DT
43297	943	6	lesser	less	JJR
43297	943	7	weight	weight	NN
43297	943	8	,	,	,
43297	943	9	but	but	CC
43297	943	10	chiefly	chiefly	RB
43297	943	11	in	in	IN
43297	943	12	order	order	NN
43297	943	13	to	to	TO
43297	943	14	reduce	reduce	VB
43297	943	15	the	the	DT
43297	943	16	tendency	tendency	NN
43297	943	17	to	to	TO
43297	943	18	crack	crack	VB
43297	943	19	and	and	CC
43297	943	20	to	to	TO
43297	943	21	facilitate	facilitate	VB
43297	943	22	drying	drying	NN
43297	943	23	and	and	CC
43297	943	24	burning	burn	VBG
43297	943	25	,	,	,
43297	943	26	terra	terra	NN
43297	943	27	-	-	HYPH
43297	943	28	cotta	cotta	NN
43297	943	29	articles	article	NNS
43297	943	30	are	be	VBP
43297	943	31	usually	usually	RB
43297	943	32	made	make	VBN
43297	943	33	hollow	hollow	JJ
43297	943	34	.	.	.
43297	944	1	It	-PRON-	PRP
43297	944	2	is	be	VBZ
43297	944	3	necessary	necessary	JJ
43297	944	4	that	that	IN
43297	944	5	clays	clay	NNS
43297	944	6	used	use	VBN
43297	944	7	in	in	IN
43297	944	8	the	the	DT
43297	944	9	manufacture	manufacture	NN
43297	944	10	of	of	IN
43297	944	11	terra	terra	NNP
43297	944	12	-	-	HYPH
43297	944	13	cotta	cotta	NNP
43297	944	14	should	should	MD
43297	944	15	be	be	VB
43297	944	16	of	of	IN
43297	944	17	so	so	RB
43297	944	18	fine	fine	JJ
43297	944	19	a	a	DT
43297	944	20	texture	texture	NN
43297	944	21	that	that	WDT
43297	944	22	the	the	DT
43297	944	23	finest	fine	JJS
43297	944	24	modelling	modelling	NN
43297	944	25	can	can	MD
43297	944	26	be	be	VB
43297	944	27	executed	execute	VBN
43297	944	28	.	.	.
43297	945	1	Such	such	JJ
43297	945	2	clays	clay	NNS
43297	945	3	occur	occur	VBP
43297	945	4	naturally	naturally	RB
43297	945	5	in	in	IN
43297	945	6	several	several	JJ
43297	945	7	geological	geological	JJ
43297	945	8	formations	formation	NNS
43297	945	9	,	,	,
43297	945	10	and	and	CC
43297	945	11	some	some	DT
43297	945	12	may	may	MD
43297	945	13	be	be	VB
43297	945	14	prepared	prepare	VBN
43297	945	15	from	from	IN
43297	945	16	coarser	coarser	NN
43297	945	17	materials	material	NNS
43297	945	18	by	by	IN
43297	945	19	careful	careful	JJ
43297	945	20	washing	washing	NN
43297	945	21	,	,	,
43297	945	22	whereby	whereby	WRB
43297	945	23	the	the	DT
43297	945	24	larger	large	JJR
43297	945	25	grains	grain	NNS
43297	945	26	of	of	IN
43297	945	27	sand	sand	NN
43297	945	28	,	,	,
43297	945	29	stones	stone	NNS
43297	945	30	,	,	,
43297	945	31	etc	etc	FW
43297	945	32	.	.	.
43297	945	33	,	,	,
43297	945	34	are	be	VBP
43297	945	35	removed	remove	VBN
43297	945	36	.	.	.
43297	946	1	Some	some	DT
43297	946	2	shales	shale	NNS
43297	946	3	,	,	,
43297	946	4	when	when	WRB
43297	946	5	finely	finely	RB
43297	946	6	ground	ground	VBP
43297	946	7	,	,	,
43297	946	8	make	make	VBP
43297	946	9	excellent	excellent	JJ
43297	946	10	clays	clay	NNS
43297	946	11	for	for	IN
43297	946	12	architectural	architectural	JJ
43297	946	13	terra	terra	NNP
43297	946	14	-	-	HYPH
43297	946	15	cotta	cotta	NNP
43297	946	16	,	,	,
43297	946	17	portions	portion	NNS
43297	946	18	of	of	IN
43297	946	19	all	all	PDT
43297	946	20	the	the	DT
43297	946	21	better	well	RBR
43297	946	22	known	know	VBN
43297	946	23	fireclay	fireclay	NN
43297	946	24	deposits	deposit	NNS
43297	946	25	being	be	VBG
43297	946	26	used	use	VBN
43297	946	27	for	for	IN
43297	946	28	this	this	DT
43297	946	29	purpose	purpose	NN
43297	946	30	.	.	.
43297	947	1	It	-PRON-	PRP
43297	947	2	is	be	VBZ
43297	947	3	,	,	,
43297	947	4	however	however	RB
43297	947	5	,	,	,
43297	947	6	necessary	necessary	JJ
43297	947	7	to	to	TO
43297	947	8	use	use	VB
43297	947	9	only	only	RB
43297	947	10	those	those	DT
43297	947	11	shales	shale	NNS
43297	947	12	which	which	WDT
43297	947	13	are	be	VBP
43297	947	14	naturally	naturally	RB
43297	947	15	of	of	IN
43297	947	16	fine	fine	JJ
43297	947	17	texture	texture	NN
43297	947	18	,	,	,
43297	947	19	as	as	IN
43297	947	20	mechanical	mechanical	JJ
43297	947	21	grinding	grinding	NN
43297	947	22	can	can	MD
43297	947	23	not	not	RB
43297	947	24	effect	effect	VB
43297	947	25	a	a	DT
43297	947	26	sufficient	sufficient	JJ
43297	947	27	sub	sub	NN
43297	947	28	-	-	NN
43297	947	29	division	division	NN
43297	947	30	of	of	IN
43297	947	31	the	the	DT
43297	947	32	particles	particle	NNS
43297	947	33	of	of	IN
43297	947	34	some	some	DT
43297	947	35	of	of	IN
43297	947	36	the	the	DT
43297	947	37	coarser	coarser	NN
43297	947	38	shales	shale	NNS
43297	947	39	.	.	.
43297	948	1	The	the	DT
43297	948	2	finer	fine	JJR
43297	948	3	Triassic	Triassic	NNP
43297	948	4	'	'	''
43297	948	5	marls	marl	NNS
43297	948	6	'	'	''
43297	948	7	are	be	VBP
43297	948	8	also	also	RB
43297	948	9	admirable	admirable	JJ
43297	948	10	for	for	IN
43297	948	11	terra	terra	NN
43297	948	12	-	-	HYPH
43297	948	13	cotta	cotta	NN
43297	948	14	work	work	NN
43297	948	15	,	,	,
43297	948	16	the	the	DT
43297	948	17	most	most	RBS
43297	948	18	famous	famous	JJ
43297	948	19	deposit	deposit	NN
43297	948	20	being	be	VBG
43297	948	21	the	the	DT
43297	948	22	Etruria	Etruria	NNP
43297	948	23	Marl	Marl	NNP
43297	948	24	Series	Series	NNP
43297	948	25	in	in	IN
43297	948	26	the	the	DT
43297	948	27	Upper	Upper	NNP
43297	948	28	Coal	Coal	NNP
43297	948	29	Measures	Measures	NNPS
43297	948	30	near	near	IN
43297	948	31	Ruabon	Ruabon	NNP
43297	948	32	.	.	.
43297	949	1	The	the	DT
43297	949	2	most	most	RBS
43297	949	3	important	important	JJ
43297	949	4	characteristics	characteristic	NNS
43297	949	5	required	require	VBN
43297	949	6	in	in	IN
43297	949	7	terra	terra	NNP
43297	949	8	-	-	HYPH
43297	949	9	cotta	cotta	NNP
43297	949	10	clays	clay	NNS
43297	949	11	are	be	VBP
43297	949	12	(	(	-LRB-
43297	949	13	_	_	NNP
43297	949	14	a	a	DT
43297	949	15	_	_	NNP
43297	949	16	)	)	-RRB-
43297	949	17	fine	fine	JJ
43297	949	18	texture	texture	NN
43297	949	19	,	,	,
43297	949	20	or	or	CC
43297	949	21	at	at	IN
43297	949	22	any	any	DT
43297	949	23	rate	rate	NN
43297	949	24	the	the	DT
43297	949	25	ability	ability	NN
43297	949	26	to	to	TO
43297	949	27	yield	yield	VB
43297	949	28	a	a	DT
43297	949	29	fine	fine	JJ
43297	949	30	,	,	,
43297	949	31	dense	dense	JJ
43297	949	32	surface	surface	NN
43297	949	33	,	,	,
43297	949	34	(	(	-LRB-
43297	949	35	_	_	NNP
43297	949	36	b	b	NNP
43297	949	37	_	_	NNP
43297	949	38	)	)	-RRB-
43297	949	39	small	small	JJ
43297	949	40	shrinkage	shrinkage	NN
43297	949	41	with	with	IN
43297	949	42	little	little	JJ
43297	949	43	tendency	tendency	NN
43297	949	44	to	to	TO
43297	949	45	twist	twist	VB
43297	949	46	,	,	,
43297	949	47	warp	warp	JJ
43297	949	48	or	or	CC
43297	949	49	crack	crack	VBP
43297	949	50	in	in	IN
43297	949	51	firing	firing	NN
43297	949	52	,	,	,
43297	949	53	(	(	-LRB-
43297	949	54	_	_	NNP
43297	949	55	c	c	NNP
43297	949	56	_	_	NNP
43297	949	57	)	)	-RRB-
43297	949	58	pleasing	pleasing	JJ
43297	949	59	and	and	CC
43297	949	60	uniform	uniform	JJ
43297	949	61	colour	colour	NN
43297	949	62	when	when	WRB
43297	949	63	fired	fire	VBN
43297	949	64	,	,	,
43297	949	65	and	and	CC
43297	949	66	(	(	-LRB-
43297	949	67	_	_	NNP
43297	949	68	d	d	NNP
43297	949	69	_	_	NNP
43297	949	70	)	)	-RRB-
43297	949	71	a	a	DT
43297	949	72	sufficient	sufficient	JJ
43297	949	73	proportion	proportion	NN
43297	949	74	of	of	IN
43297	949	75	fluxes	flux	NNS
43297	949	76	to	to	TO
43297	949	77	make	make	VB
43297	949	78	it	-PRON-	PRP
43297	949	79	resistant	resistant	JJ
43297	949	80	to	to	TO
43297	949	81	weather	weather	VB
43297	949	82	without	without	IN
43297	949	83	giving	give	VBG
43297	949	84	a	a	DT
43297	949	85	glossy	glossy	JJ
43297	949	86	appearance	appearance	NN
43297	949	87	to	to	IN
43297	949	88	the	the	DT
43297	949	89	finished	finished	JJ
43297	949	90	product	product	NN
43297	949	91	.	.	.
43297	950	1	In	in	IN
43297	950	2	large	large	JJ
43297	950	3	pieces	piece	NNS
43297	950	4	of	of	IN
43297	950	5	terra	terra	NN
43297	950	6	-	-	HYPH
43297	950	7	cotta	cotta	NN
43297	950	8	some	some	DT
43297	950	9	irregularity	irregularity	NN
43297	950	10	of	of	IN
43297	950	11	shape	shape	NN
43297	950	12	is	be	VBZ
43297	950	13	almost	almost	RB
43297	950	14	unavoidable	unavoidable	JJ
43297	950	15	,	,	,
43297	950	16	but	but	CC
43297	950	17	,	,	,
43297	950	18	if	if	IN
43297	950	19	care	care	NN
43297	950	20	is	be	VBZ
43297	950	21	taken	take	VBN
43297	950	22	in	in	IN
43297	950	23	the	the	DT
43297	950	24	selection	selection	NN
43297	950	25	and	and	CC
43297	950	26	manipulation	manipulation	NN
43297	950	27	of	of	IN
43297	950	28	the	the	DT
43297	950	29	material	material	NN
43297	950	30	,	,	,
43297	950	31	this	this	DT
43297	950	32	need	nee	MD
43297	950	33	not	not	RB
43297	950	34	be	be	VB
43297	950	35	unsightly	unsightly	RB
43297	950	36	.	.	.
43297	951	1	The	the	DT
43297	951	2	durability	durability	NN
43297	951	3	of	of	IN
43297	951	4	terra	terra	NNP
43297	951	5	-	-	HYPH
43297	951	6	cotta	cotta	NNP
43297	951	7	is	be	VBZ
43297	951	8	largely	largely	RB
43297	951	9	dependent	dependent	JJ
43297	951	10	on	on	IN
43297	951	11	the	the	DT
43297	951	12	nature	nature	NN
43297	951	13	of	of	IN
43297	951	14	the	the	DT
43297	951	15	surface	surface	NN
43297	951	16	.	.	.
43297	952	1	The	the	DT
43297	952	2	most	most	RBS
43297	952	3	suitable	suitable	JJ
43297	952	4	clays	clay	NNS
43297	952	5	,	,	,
43297	952	6	when	when	WRB
43297	952	7	fired	fire	VBN
43297	952	8	,	,	,
43297	952	9	have	have	VB
43297	952	10	a	a	DT
43297	952	11	thin	thin	JJ
43297	952	12	'	'	``
43297	952	13	skin	skin	NN
43297	952	14	'	'	''
43297	952	15	of	of	IN
43297	952	16	vitrified	vitrified	JJ
43297	952	17	material	material	NN
43297	952	18	which	which	WDT
43297	952	19	is	be	VBZ
43297	952	20	very	very	RB
43297	952	21	resistant	resistant	JJ
43297	952	22	to	to	IN
43297	952	23	climatic	climatic	JJ
43297	952	24	influences	influence	NNS
43297	952	25	,	,	,
43297	952	26	and	and	CC
43297	952	27	so	so	RB
43297	952	28	long	long	RB
43297	952	29	as	as	IN
43297	952	30	this	this	DT
43297	952	31	remains	remain	VBZ
43297	952	32	intact	intact	JJ
43297	952	33	the	the	DT
43297	952	34	ware	ware	NN
43297	952	35	will	will	MD
43297	952	36	continue	continue	VB
43297	952	37	in	in	IN
43297	952	38	perfect	perfect	JJ
43297	952	39	condition	condition	NN
43297	952	40	.	.	.
43297	953	1	If	if	IN
43297	953	2	this	this	DT
43297	953	3	'	'	``
43297	953	4	skin	skin	NN
43297	953	5	'	'	''
43297	953	6	is	be	VBZ
43297	953	7	removed	remove	VBN
43297	953	8	,	,	,
43297	953	9	rain	rain	NN
43297	953	10	will	will	MD
43297	953	11	penetrate	penetrate	VB
43297	953	12	the	the	DT
43297	953	13	material	material	NN
43297	953	14	and	and	CC
43297	953	15	under	under	IN
43297	953	16	the	the	DT
43297	953	17	influence	influence	NN
43297	953	18	of	of	IN
43297	953	19	frost	frost	NN
43297	953	20	may	may	MD
43297	953	21	cause	cause	VB
43297	953	22	rapid	rapid	JJ
43297	953	23	disintegration	disintegration	NN
43297	953	24	.	.	.
43297	954	1	In	in	IN
43297	954	2	the	the	DT
43297	954	3	manufacture	manufacture	NN
43297	954	4	of	of	IN
43297	954	5	very	very	RB
43297	954	6	large	large	JJ
43297	954	7	pieces	piece	NNS
43297	954	8	of	of	IN
43297	954	9	terra	terra	NNP
43297	954	10	-	-	HYPH
43297	954	11	cotta	cotta	NNP
43297	954	12	a	a	DT
43297	954	13	coarse	coarse	JJ
43297	954	14	,	,	,
43297	954	15	porous	porous	JJ
43297	954	16	clay	clay	NN
43297	954	17	is	be	VBZ
43297	954	18	used	use	VBN
43297	954	19	for	for	IN
43297	954	20	the	the	DT
43297	954	21	foundation	foundation	NN
43297	954	22	and	and	CC
43297	954	23	interior	interior	NN
43297	954	24	,	,	,
43297	954	25	and	and	CC
43297	954	26	this	this	DT
43297	954	27	is	be	VBZ
43297	954	28	covered	cover	VBN
43297	954	29	with	with	IN
43297	954	30	the	the	DT
43297	954	31	finer	finer	NNP
43297	954	32	clay	clay	NN
43297	954	33	.	.	.
43297	955	1	By	by	IN
43297	955	2	this	this	DT
43297	955	3	means	mean	VBZ
43297	955	4	a	a	DT
43297	955	5	greater	great	JJR
43297	955	6	resistance	resistance	NN
43297	955	7	to	to	IN
43297	955	8	changes	change	NNS
43297	955	9	in	in	IN
43297	955	10	temperature	temperature	NN
43297	955	11	is	be	VBZ
43297	955	12	secured	secure	VBN
43297	955	13	,	,	,
43297	955	14	the	the	DT
43297	955	15	drying	drying	NN
43297	955	16	and	and	CC
43297	955	17	the	the	DT
43297	955	18	burning	burning	NN
43297	955	19	of	of	IN
43297	955	20	the	the	DT
43297	955	21	material	material	NN
43297	955	22	in	in	IN
43297	955	23	the	the	DT
43297	955	24	kiln	kiln	NN
43297	955	25	are	be	VBP
43297	955	26	facilitated	facilitate	VBN
43297	955	27	and	and	CC
43297	955	28	the	the	DT
43297	955	29	risks	risk	NNS
43297	955	30	of	of	IN
43297	955	31	damage	damage	NN
43297	955	32	in	in	IN
43297	955	33	manufacture	manufacture	NN
43297	955	34	are	be	VBP
43297	955	35	materially	materially	RB
43297	955	36	reduced	reduce	VBN
43297	955	37	.	.	.
43297	956	1	=	=	NFP
43297	956	2	Cement	cement	NN
43297	956	3	clays=	clays=	NN
43297	956	4	are	be	VBP
43297	956	5	those	those	DT
43297	956	6	used	use	VBN
43297	956	7	in	in	IN
43297	956	8	the	the	DT
43297	956	9	manufacture	manufacture	NN
43297	956	10	of	of	IN
43297	956	11	Portland	Portland	NNP
43297	956	12	cement	cement	NN
43297	956	13	and	and	CC
43297	956	14	of	of	IN
43297	956	15	so	so	RB
43297	956	16	-	-	HYPH
43297	956	17	called	call	VBN
43297	956	18	natural	natural	JJ
43297	956	19	cements	cement	NNS
43297	956	20	.	.	.
43297	957	1	They	-PRON-	PRP
43297	957	2	are	be	VBP
43297	957	3	largely	largely	RB
43297	957	4	of	of	IN
43297	957	5	an	an	DT
43297	957	6	alluvial	alluvial	JJ
43297	957	7	character	character	NN
43297	957	8	and	and	CC
43297	957	9	are	be	VBP
43297	957	10	of	of	IN
43297	957	11	two	two	CD
43297	957	12	chief	chief	JJ
43297	957	13	classes	class	NNS
43297	957	14	:	:	:
43297	957	15	(	(	-LRB-
43297	957	16	_	_	NNP
43297	957	17	a	a	DT
43297	957	18	_	_	NNP
43297	957	19	)	)	-RRB-
43297	957	20	those	those	DT
43297	957	21	which	which	WDT
43297	957	22	contain	contain	VBP
43297	957	23	chalk	chalk	NN
43297	957	24	or	or	CC
43297	957	25	limestone	limestone	NN
43297	957	26	dust	dust	NN
43297	957	27	and	and	CC
43297	957	28	clay	clay	NN
43297	957	29	in	in	IN
43297	957	30	proportions	proportion	NNS
43297	957	31	suitable	suitable	JJ
43297	957	32	for	for	IN
43297	957	33	the	the	DT
43297	957	34	manufacture	manufacture	NN
43297	957	35	of	of	IN
43297	957	36	cement	cement	NN
43297	957	37	and	and	CC
43297	957	38	(	(	-LRB-
43297	957	39	_	_	NNP
43297	957	40	b	b	NNP
43297	957	41	_	_	NNP
43297	957	42	)	)	-RRB-
43297	957	43	those	those	DT
43297	957	44	to	to	TO
43297	957	45	which	which	WDT
43297	957	46	chalk	chalk	NN
43297	957	47	or	or	CC
43297	957	48	ground	ground	NN
43297	957	49	limestone	limestone	NN
43297	957	50	must	must	MD
43297	957	51	be	be	VB
43297	957	52	added	add	VBN
43297	957	53	.	.	.
43297	958	1	They	-PRON-	PRP
43297	958	2	vary	vary	VBP
43297	958	3	in	in	IN
43297	958	4	composition	composition	NN
43297	958	5	from	from	IN
43297	958	6	argillaceous	argillaceous	JJ
43297	958	7	limestones	limestone	NNS
43297	958	8	containing	contain	VBG
43297	958	9	only	only	RB
43297	958	10	a	a	DT
43297	958	11	small	small	JJ
43297	958	12	proportion	proportion	NN
43297	958	13	of	of	IN
43297	958	14	clay	clay	NN
43297	958	15	to	to	IN
43297	958	16	almost	almost	RB
43297	958	17	pure	pure	JJ
43297	958	18	clays	clay	NNS
43297	958	19	.	.	.
43297	959	1	The	the	DT
43297	959	2	manufacture	manufacture	NN
43297	959	3	of	of	IN
43297	959	4	Portland	Portland	NNP
43297	959	5	cement	cement	NN
43297	959	6	has	have	VBZ
43297	959	7	assumed	assume	VBN
43297	959	8	a	a	DT
43297	959	9	great	great	JJ
43297	959	10	importance	importance	NN
43297	959	11	and	and	CC
43297	959	12	owing	owing	NN
43297	959	13	to	to	IN
43297	959	14	the	the	DT
43297	959	15	large	large	JJ
43297	959	16	amount	amount	NN
43297	959	17	of	of	IN
43297	959	18	investigations	investigation	NNS
43297	959	19	made	make	VBN
43297	959	20	in	in	IN
43297	959	21	connection	connection	NN
43297	959	22	with	with	IN
43297	959	23	it	-PRON-	PRP
43297	959	24	,	,	,
43297	959	25	it	-PRON-	PRP
43297	959	26	may	may	MD
43297	959	27	be	be	VB
43297	959	28	said	say	VBN
43297	959	29	to	to	TO
43297	959	30	represent	represent	VB
43297	959	31	the	the	DT
43297	959	32	chief	chief	JJ
43297	959	33	cement	cement	NN
43297	959	34	made	make	VBN
43297	959	35	from	from	IN
43297	959	36	argillaceous	argillaceous	JJ
43297	959	37	materials	material	NNS
43297	959	38	,	,	,
43297	959	39	the	the	DT
43297	959	40	others	other	NNS
43297	959	41	being	be	VBG
43297	959	42	convenient	convenient	JJ
43297	959	43	though	though	IN
43297	959	44	crude	crude	JJ
43297	959	45	modifications	modification	NNS
43297	959	46	of	of	IN
43297	959	47	it	-PRON-	PRP
43297	959	48	.	.	.
43297	960	1	The	the	DT
43297	960	2	essential	essential	JJ
43297	960	3	constituents	constituent	NNS
43297	960	4	are	be	VBP
43297	960	5	calcium	calcium	NN
43297	960	6	carbonate	carbonate	NN
43297	960	7	(	(	-LRB-
43297	960	8	introduced	introduce	VBN
43297	960	9	in	in	IN
43297	960	10	the	the	DT
43297	960	11	form	form	NN
43297	960	12	of	of	IN
43297	960	13	chalk	chalk	NN
43297	960	14	or	or	CC
43297	960	15	powdered	powder	VBN
43297	960	16	limestone	limestone	NN
43297	960	17	)	)	-RRB-
43297	960	18	and	and	CC
43297	960	19	clay	clay	NN
43297	960	20	,	,	,
43297	960	21	the	the	DT
43297	960	22	composition	composition	NN
43297	960	23	of	of	IN
43297	960	24	the	the	DT
43297	960	25	naturally	naturally	RB
43297	960	26	occurring	occur	VBG
43297	960	27	materials	material	NNS
43297	960	28	being	be	VBG
43297	960	29	modified	modify	VBN
43297	960	30	by	by	IN
43297	960	31	the	the	DT
43297	960	32	addition	addition	NN
43297	960	33	of	of	IN
43297	960	34	a	a	DT
43297	960	35	suitable	suitable	JJ
43297	960	36	proportion	proportion	NN
43297	960	37	of	of	IN
43297	960	38	one	one	CD
43297	960	39	or	or	CC
43297	960	40	other	other	JJ
43297	960	41	of	of	IN
43297	960	42	these	these	DT
43297	960	43	ingredients	ingredient	NNS
43297	960	44	.	.	.
43297	961	1	The	the	DT
43297	961	2	material	material	NN
43297	961	3	is	be	VBZ
43297	961	4	then	then	RB
43297	961	5	heated	heated	JJ
43297	961	6	until	until	IN
43297	961	7	it	-PRON-	PRP
43297	961	8	undergoes	undergo	VBZ
43297	961	9	partial	partial	JJ
43297	961	10	fusion	fusion	NN
43297	961	11	and	and	CC
43297	961	12	a	a	DT
43297	961	13	'	'	``
43297	961	14	clinker	clinker	NN
43297	961	15	'	'	''
43297	961	16	is	be	VBZ
43297	961	17	formed	form	VBN
43297	961	18	.	.	.
43297	962	1	This	this	DT
43297	962	2	clinker	clinker	NN
43297	962	3	,	,	,
43297	962	4	when	when	WRB
43297	962	5	ground	ground	NN
43297	962	6	,	,	,
43297	962	7	forms	form	VBZ
43297	962	8	the	the	DT
43297	962	9	cement	cement	NN
43297	962	10	.	.	.
43297	963	1	In	in	IN
43297	963	2	Kent	Kent	NNP
43297	963	3	,	,	,
43297	963	4	the	the	DT
43297	963	5	Medway	Medway	NNP
43297	963	6	mud	mud	NN
43297	963	7	is	be	VBZ
43297	963	8	mixed	mix	VBN
43297	963	9	with	with	IN
43297	963	10	chalk	chalk	NN
43297	963	11	;	;	:
43297	963	12	in	in	IN
43297	963	13	Sussex	Sussex	NNP
43297	963	14	,	,	,
43297	963	15	a	a	DT
43297	963	16	mixture	mixture	NN
43297	963	17	of	of	IN
43297	963	18	gault	gault	NN
43297	963	19	clay	clay	NN
43297	963	20	and	and	CC
43297	963	21	chalk	chalk	NN
43297	963	22	is	be	VBZ
43297	963	23	employed	employ	VBN
43297	963	24	;	;	:
43297	963	25	in	in	IN
43297	963	26	the	the	DT
43297	963	27	Midlands	Midlands	NNP
43297	963	28	and	and	CC
43297	963	29	South	South	NNP
43297	963	30	Wales	Wales	NNP
43297	963	31	,	,	,
43297	963	32	Liassic	liassic	JJ
43297	963	33	shales	shale	NNS
43297	963	34	and	and	CC
43297	963	35	limestone	limestone	NN
43297	963	36	are	be	VBP
43297	963	37	used	use	VBN
43297	963	38	;	;	:
43297	963	39	in	in	IN
43297	963	40	Northumberland	Northumberland	NNP
43297	963	41	a	a	DT
43297	963	42	mixture	mixture	NN
43297	963	43	of	of	IN
43297	963	44	Kentish	kentish	JJ
43297	963	45	chalk	chalk	NN
43297	963	46	and	and	CC
43297	963	47	a	a	DT
43297	963	48	local	local	JJ
43297	963	49	clay	clay	NN
43297	963	50	is	be	VBZ
43297	963	51	preferred	prefer	VBN
43297	963	52	,	,	,
43297	963	53	and	and	CC
43297	963	54	in	in	IN
43297	963	55	Cambridgeshire	Cambridgeshire	NNP
43297	963	56	a	a	DT
43297	963	57	special	special	JJ
43297	963	58	marl	marl	NN
43297	963	59	lying	lying	NN
43297	963	60	between	between	IN
43297	963	61	the	the	DT
43297	963	62	Chalk	Chalk	NNP
43297	963	63	and	and	CC
43297	963	64	the	the	DT
43297	963	65	Greensand	Greensand	NNP
43297	963	66	is	be	VBZ
43297	963	67	found	find	VBN
43297	963	68	to	to	TO
43297	963	69	be	be	VB
43297	963	70	admirable	admirable	JJ
43297	963	71	for	for	IN
43297	963	72	the	the	DT
43297	963	73	purpose	purpose	NN
43297	963	74	because	because	IN
43297	963	75	it	-PRON-	PRP
43297	963	76	contains	contain	VBZ
43297	963	77	the	the	DT
43297	963	78	ingredients	ingredient	NNS
43297	963	79	in	in	IN
43297	963	80	almost	almost	RB
43297	963	81	exactly	exactly	RB
43297	963	82	the	the	DT
43297	963	83	required	require	VBN
43297	963	84	proportions	proportion	NNS
43297	963	85	.	.	.
43297	964	1	For	for	IN
43297	964	2	cement	cement	NN
43297	964	3	manufacture	manufacture	NN
43297	964	4	,	,	,
43297	964	5	clays	clay	NNS
43297	964	6	should	should	MD
43297	964	7	be	be	VB
43297	964	8	as	as	RB
43297	964	9	free	free	JJ
43297	964	10	as	as	IN
43297	964	11	possible	possible	JJ
43297	964	12	from	from	IN
43297	964	13	material	material	NN
43297	964	14	which	which	WDT
43297	964	15	,	,	,
43297	964	16	in	in	IN
43297	964	17	slip	slip	NN
43297	964	18	form	form	NN
43297	964	19	,	,	,
43297	964	20	will	will	MD
43297	964	21	not	not	RB
43297	964	22	pass	pass	VB
43297	964	23	through	through	RP
43297	964	24	a	a	DT
43297	964	25	No	no	NN
43297	964	26	.	.	.
43297	965	1	100	100	CD
43297	965	2	sieve	sieve	NN
43297	965	3	,	,	,
43297	965	4	as	as	IN
43297	965	5	coarse	coarse	JJ
43297	965	6	sand	sand	NN
43297	965	7	and	and	CC
43297	965	8	other	other	JJ
43297	965	9	rock	rock	NN
43297	965	10	débris	débris	NN
43297	965	11	are	be	VBP
43297	965	12	practically	practically	RB
43297	965	13	inert	inert	JJ
43297	965	14	.	.	.
43297	966	1	The	the	DT
43297	966	2	proportion	proportion	NN
43297	966	3	of	of	IN
43297	966	4	alumina	alumina	NNP
43297	966	5	and	and	CC
43297	966	6	iron	iron	NN
43297	966	7	should	should	MD
43297	966	8	be	be	VB
43297	966	9	about	about	RB
43297	966	10	one	one	CD
43297	966	11	-	-	HYPH
43297	966	12	third	third	NN
43297	966	13	,	,	,
43297	966	14	but	but	CC
43297	966	15	not	not	RB
43297	966	16	more	more	JJR
43297	966	17	than	than	IN
43297	966	18	one	one	CD
43297	966	19	-	-	HYPH
43297	966	20	half	half	NN
43297	966	21	,	,	,
43297	966	22	that	that	DT
43297	966	23	of	of	IN
43297	966	24	the	the	DT
43297	966	25	silica	silica	NN
43297	966	26	,	,	,
43297	966	27	and	and	CC
43297	966	28	in	in	IN
43297	966	29	countries	country	NNS
43297	966	30	where	where	WRB
43297	966	31	the	the	DT
43297	966	32	proportion	proportion	NN
43297	966	33	of	of	IN
43297	966	34	magnesia	magnesia	NNP
43297	966	35	in	in	IN
43297	966	36	a	a	DT
43297	966	37	cement	cement	NN
43297	966	38	is	be	VBZ
43297	966	39	limited	limit	VBN
43297	966	40	by	by	IN
43297	966	41	standard	standard	JJ
43297	966	42	specifications	specification	NNS
43297	966	43	,	,	,
43297	966	44	it	-PRON-	PRP
43297	966	45	will	will	MD
43297	966	46	be	be	VB
43297	966	47	found	find	VBN
43297	966	48	undesirable	undesirable	JJ
43297	966	49	to	to	TO
43297	966	50	use	use	VB
43297	966	51	clays	clay	NNS
43297	966	52	containing	contain	VBG
43297	966	53	more	more	JJR
43297	966	54	than	than	IN
43297	966	55	3	3	CD
43297	966	56	per	per	NN
43297	966	57	cent	cent	NN
43297	966	58	.	.	.
43297	967	1	of	of	IN
43297	967	2	magnesia	magnesia	NNP
43297	967	3	and	and	CC
43297	967	4	alkalies	alkali	NNS
43297	967	5	.	.	.
43297	968	1	Whilst	whilst	IN
43297	968	2	calcareous	calcareous	JJ
43297	968	3	clays	clay	NNS
43297	968	4	usually	usually	RB
43297	968	5	prove	prove	VBP
43297	968	6	the	the	DT
43297	968	7	most	most	RBS
43297	968	8	convenient	convenient	JJ
43297	968	9	in	in	IN
43297	968	10	the	the	DT
43297	968	11	manufacture	manufacture	NN
43297	968	12	of	of	IN
43297	968	13	cement	cement	NN
43297	968	14	,	,	,
43297	968	15	it	-PRON-	PRP
43297	968	16	is	be	VBZ
43297	968	17	by	by	IN
43297	968	18	no	no	DT
43297	968	19	means	means	NN
43297	968	20	essential	essential	JJ
43297	968	21	to	to	TO
43297	968	22	use	use	VB
43297	968	23	them	-PRON-	PRP
43297	968	24	,	,	,
43297	968	25	and	and	CC
43297	968	26	where	where	WRB
43297	968	27	a	a	DT
43297	968	28	clay	clay	NN
43297	968	29	almost	almost	RB
43297	968	30	free	free	JJ
43297	968	31	from	from	IN
43297	968	32	lime	lime	NN
43297	968	33	occurs	occur	VBZ
43297	968	34	in	in	IN
43297	968	35	convenient	convenient	JJ
43297	968	36	proximity	proximity	NN
43297	968	37	to	to	IN
43297	968	38	a	a	DT
43297	968	39	suitable	suitable	JJ
43297	968	40	chalk	chalk	NN
43297	968	41	or	or	CC
43297	968	42	limestone	limestone	NN
43297	968	43	deposit	deposit	VB
43297	968	44	an	an	DT
43297	968	45	excellent	excellent	JJ
43297	968	46	cement	cement	NN
43297	968	47	may	may	MD
43297	968	48	usually	usually	RB
43297	968	49	be	be	VB
43297	968	50	manufactured	manufacture	VBN
43297	968	51	.	.	.
43297	969	1	The	the	DT
43297	969	2	'	'	``
43297	969	3	clays	clay	NNS
43297	969	4	'	'	''
43297	969	5	from	from	IN
43297	969	6	which	which	WDT
43297	969	7	the	the	DT
43297	969	8	so	so	RB
43297	969	9	-	-	HYPH
43297	969	10	called	call	VBN
43297	969	11	'	'	``
43297	969	12	natural	natural	JJ
43297	969	13	'	'	''
43297	969	14	or	or	CC
43297	969	15	'	'	``
43297	969	16	Roman	roman	JJ
43297	969	17	cements	cement	NNS
43297	969	18	'	'	''
43297	969	19	are	be	VBP
43297	969	20	made	make	VBN
43297	969	21	by	by	IN
43297	969	22	simple	simple	JJ
43297	969	23	calcination	calcination	NN
43297	969	24	and	and	CC
43297	969	25	crushing	crushing	NN
43297	969	26	,	,	,
43297	969	27	usually	usually	RB
43297	969	28	fuse	fuse	VB
43297	969	29	at	at	IN
43297	969	30	a	a	DT
43297	969	31	lower	low	JJR
43297	969	32	temperature	temperature	NN
43297	969	33	than	than	IN
43297	969	34	do	do	VB
43297	969	35	the	the	DT
43297	969	36	mixtures	mixture	NNS
43297	969	37	used	use	VBN
43297	969	38	for	for	IN
43297	969	39	Portland	Portland	NNP
43297	969	40	cement	cement	NN
43297	969	41	,	,	,
43297	969	42	and	and	CC
43297	969	43	unless	unless	IN
43297	969	44	their	-PRON-	PRP$
43297	969	45	composition	composition	NN
43297	969	46	is	be	VBZ
43297	969	47	accurately	accurately	RB
43297	969	48	adjusted	adjust	VBN
43297	969	49	they	-PRON-	PRP
43297	969	50	yield	yield	VBP
43297	969	51	a	a	DT
43297	969	52	product	product	NN
43297	969	53	of	of	IN
43297	969	54	such	such	JJ
43297	969	55	variable	variable	JJ
43297	969	56	quality	quality	NN
43297	969	57	as	as	IN
43297	969	58	to	to	TO
43297	969	59	be	be	VB
43297	969	60	unsuitable	unsuitable	JJ
43297	969	61	for	for	IN
43297	969	62	high	high	JJ
43297	969	63	class	class	NN
43297	969	64	work	work	NN
43297	969	65	.	.	.
43297	970	1	=	=	NFP
43297	970	2	Fuller	Fuller	NNP
43297	970	3	's	's	POS
43297	970	4	earth=	earth=	NN
43297	970	5	is	be	VBZ
43297	970	6	a	a	DT
43297	970	7	term	term	NN
43297	970	8	used	use	VBN
43297	970	9	to	to	TO
43297	970	10	indicate	indicate	VB
43297	970	11	any	any	DT
43297	970	12	earthy	earthy	JJ
43297	970	13	material	material	NN
43297	970	14	which	which	WDT
43297	970	15	can	can	MD
43297	970	16	be	be	VB
43297	970	17	employed	employ	VBN
43297	970	18	for	for	IN
43297	970	19	fulling	full	VBG
43297	970	20	or	or	CC
43297	970	21	degreasing	degrease	VBG
43297	970	22	wool	wool	NN
43297	970	23	and	and	CC
43297	970	24	bleaching	bleach	VBG
43297	970	25	oil	oil	NN
43297	970	26	.	.	.
43297	971	1	True	true	JJ
43297	971	2	fuller	fuller	NN
43297	971	3	's	's	POS
43297	971	4	earth	earth	NN
43297	971	5	is	be	VBZ
43297	971	6	obtained	obtain	VBN
43297	971	7	chiefly	chiefly	RB
43297	971	8	from	from	IN
43297	971	9	the	the	DT
43297	971	10	neighbourhood	neighbourhood	NN
43297	971	11	of	of	IN
43297	971	12	Reigate	Reigate	NNP
43297	971	13	,	,	,
43297	971	14	Surrey	Surrey	NNP
43297	971	15	,	,	,
43297	971	16	Woburn	Woburn	NNP
43297	971	17	Sands	Sands	NNPS
43297	971	18	,	,	,
43297	971	19	Bedfordshire	Bedfordshire	NNP
43297	971	20	and	and	CC
43297	971	21	from	from	IN
43297	971	22	below	below	IN
43297	971	23	the	the	DT
43297	971	24	Oolite	Oolite	NNP
43297	971	25	formation	formation	NN
43297	971	26	near	near	IN
43297	971	27	Bath	Bath	NNP
43297	971	28	,	,	,
43297	971	29	but	but	CC
43297	971	30	owing	owe	VBG
43297	971	31	to	to	IN
43297	971	32	the	the	DT
43297	971	33	scarcity	scarcity	NN
43297	971	34	of	of	IN
43297	971	35	the	the	DT
43297	971	36	material	material	NN
43297	971	37	and	and	CC
43297	971	38	the	the	DT
43297	971	39	irregularity	irregularity	NN
43297	971	40	of	of	IN
43297	971	41	its	-PRON-	PRP$
43297	971	42	behaviour	behaviour	NN
43297	971	43	,	,	,
43297	971	44	china	china	NNP
43297	971	45	clay	clay	NNP
43297	971	46	is	be	VBZ
43297	971	47	now	now	RB
43297	971	48	largely	largely	RB
43297	971	49	used	use	VBN
43297	971	50	for	for	IN
43297	971	51	the	the	DT
43297	971	52	same	same	JJ
43297	971	53	purpose	purpose	NN
43297	971	54	.	.	.
43297	972	1	True	true	JJ
43297	972	2	fuller	fuller	NN
43297	972	3	's	's	POS
43297	972	4	earth	earth	NN
43297	972	5	is	be	VBZ
43297	972	6	much	much	RB
43297	972	7	more	more	RBR
43297	972	8	fusible	fusible	JJ
43297	972	9	than	than	IN
43297	972	10	the	the	DT
43297	972	11	white	white	JJ
43297	972	12	clays	clay	NNS
43297	972	13	usually	usually	RB
43297	972	14	substituted	substitute	VBN
43297	972	15	for	for	IN
43297	972	16	it	-PRON-	PRP
43297	972	17	,	,	,
43297	972	18	and	and	CC
43297	972	19	when	when	WRB
43297	972	20	mixed	mix	VBN
43297	972	21	with	with	IN
43297	972	22	water	water	NN
43297	972	23	it	-PRON-	PRP
43297	972	24	does	do	VBZ
43297	972	25	not	not	RB
43297	972	26	form	form	VB
43297	972	27	a	a	DT
43297	972	28	plastic	plastic	JJ
43297	972	29	paste	paste	NN
43297	972	30	but	but	CC
43297	972	31	falls	fall	VBZ
43297	972	32	to	to	TO
43297	972	33	powder	powder	VB
43297	972	34	.	.	.
43297	973	1	As	as	IN
43297	973	2	the	the	DT
43297	973	3	chief	chief	JJ
43297	973	4	requirement	requirement	NN
43297	973	5	of	of	IN
43297	973	6	the	the	DT
43297	973	7	fuller	fuller	NN
43297	973	8	is	be	VBZ
43297	973	9	the	the	DT
43297	973	10	grease	grease	NN
43297	973	11	-	-	HYPH
43297	973	12	absorbing	absorb	VBG
43297	973	13	power	power	NN
43297	973	14	of	of	IN
43297	973	15	the	the	DT
43297	973	16	material	material	NN
43297	973	17	there	there	EX
43297	973	18	is	be	VBZ
43297	973	19	no	no	DT
43297	973	20	objection	objection	NN
43297	973	21	to	to	IN
43297	973	22	the	the	DT
43297	973	23	substitution	substitution	NN
43297	973	24	of	of	IN
43297	973	25	other	other	JJ
43297	973	26	earths	earth	NNS
43297	973	27	of	of	IN
43297	973	28	equal	equal	JJ
43297	973	29	efficiency	efficiency	NN
43297	973	30	.	.	.
43297	974	1	Fuller	Fuller	NNP
43297	974	2	's	's	POS
43297	974	3	earth	earth	NN
43297	974	4	does	do	VBZ
43297	974	5	not	not	RB
43297	974	6	appear	appear	VB
43297	974	7	to	to	TO
43297	974	8	be	be	VB
43297	974	9	a	a	DT
43297	974	10	true	true	JJ
43297	974	11	clay	clay	NN
43297	974	12	,	,	,
43297	974	13	though	though	IN
43297	974	14	its	-PRON-	PRP$
43297	974	15	constitution	constitution	NN
43297	974	16	and	and	CC
43297	974	17	mineralogical	mineralogical	JJ
43297	974	18	composition	composition	NN
43297	974	19	are	be	VBP
43297	974	20	by	by	IN
43297	974	21	no	no	DT
43297	974	22	means	means	NN
43297	974	23	clearly	clearly	RB
43297	974	24	known	know	VBN
43297	974	25	.	.	.
43297	975	1	T.	T.	NNP
43297	975	2	J.	J.	NNP
43297	975	3	Porter	Porter	NNP
43297	975	4	considers	consider	VBZ
43297	975	5	that	that	IN
43297	975	6	it	-PRON-	PRP
43297	975	7	is	be	VBZ
43297	975	8	chiefly	chiefly	RB
43297	975	9	composed	compose	VBN
43297	975	10	of	of	IN
43297	975	11	montmorillonite	montmorillonite	NN
43297	975	12	(	(	-LRB-
43297	975	13	Al2O3·4SiO2H2O	Al2O3·4SiO2H2O	NFP
43297	975	14	)	)	-RRB-
43297	975	15	,	,	,
43297	975	16	anauxite	anauxite	JJ
43297	975	17	,	,	,
43297	975	18	(	(	-LRB-
43297	975	19	2Al2O3·9SiO2·6H2O	2al2o3·9sio2·6h2o	CD
43297	975	20	)	)	-RRB-
43297	975	21	,	,	,
43297	975	22	and	and	CC
43297	975	23	chalk	chalk	VB
43297	975	24	with	with	IN
43297	975	25	some	some	DT
43297	975	26	colloidal	colloidal	JJ
43297	975	27	silica	silica	NN
43297	975	28	and	and	CC
43297	975	29	a	a	DT
43297	975	30	little	little	JJ
43297	975	31	quartz	quartz	NN
43297	975	32	.	.	.
43297	976	1	It	-PRON-	PRP
43297	976	2	therefore	therefore	RB
43297	976	3	appears	appear	VBZ
43297	976	4	to	to	TO
43297	976	5	resemble	resemble	VB
43297	976	6	the	the	DT
43297	976	7	less	less	RBR
43297	976	8	pure	pure	JJ
43297	976	9	kaolins	kaolin	NNS
43297	976	10	,	,	,
43297	976	11	but	but	CC
43297	976	12	to	to	TO
43297	976	13	contain	contain	VB
43297	976	14	little	little	JJ
43297	976	15	or	or	CC
43297	976	16	no	no	DT
43297	976	17	true	true	JJ
43297	976	18	clay	clay	NN
43297	976	19	,	,	,
43297	976	20	though	though	IN
43297	976	21	in	in	IN
43297	976	22	many	many	JJ
43297	976	23	respects	respect	NNS
43297	976	24	it	-PRON-	PRP
43297	976	25	behaves	behave	VBZ
43297	976	26	in	in	IN
43297	976	27	a	a	DT
43297	976	28	manner	manner	NN
43297	976	29	similar	similar	JJ
43297	976	30	to	to	IN
43297	976	31	a	a	DT
43297	976	32	kaolin	kaolin	NN
43297	976	33	of	of	IN
43297	976	34	unusually	unusually	RB
43297	976	35	low	low	JJ
43297	976	36	plasticity	plasticity	NN
43297	976	37	.	.	.
43297	977	1	=	=	NFP
43297	977	2	Other	other	JJ
43297	977	3	clays=	clays=	NN
43297	977	4	of	of	IN
43297	977	5	commercial	commercial	JJ
43297	977	6	importance	importance	NN
43297	977	7	,	,	,
43297	977	8	with	with	IN
43297	977	9	further	further	JJ
43297	977	10	details	detail	NNS
43297	977	11	of	of	IN
43297	977	12	the	the	DT
43297	977	13	ones	one	NNS
43297	977	14	just	just	RB
43297	977	15	mentioned	mention	VBN
43297	977	16	,	,	,
43297	977	17	are	be	VBP
43297	977	18	described	describe	VBN
43297	977	19	in	in	IN
43297	977	20	the	the	DT
43297	977	21	author	author	NN
43297	977	22	's	's	POS
43297	977	23	_	_	NNP
43297	977	24	British	British	NNP
43297	977	25	Clays	Clays	NNPS
43297	977	26	,	,	,
43297	977	27	Shales	Shales	NNPS
43297	977	28	and	and	CC
43297	977	29	Sands	Sands	NNPS
43297	977	30	_	_	NNP
43297	977	31	(	(	-LRB-
43297	977	32	2	2	CD
43297	977	33	)	)	-RRB-
43297	977	34	.	.	.
43297	978	1	CHAPTER	CHAPTER	NNP
43297	978	2	VI	VI	NNP
43297	978	3	CLAY	CLAY	NNP
43297	978	4	SUBSTANCE	SUBSTANCE	NNP
43297	978	5	:	:	:
43297	978	6	THEORETICAL	theoretical	NN
43297	978	7	AND	and	CC
43297	978	8	ACTUAL	actual	NN
43297	978	9	Having	have	VBG
43297	978	10	indicated	indicate	VBN
43297	978	11	the	the	DT
43297	978	12	origin	origin	NN
43297	978	13	,	,	,
43297	978	14	modes	mode	NNS
43297	978	15	of	of	IN
43297	978	16	accumulation	accumulation	NN
43297	978	17	and	and	CC
43297	978	18	general	general	JJ
43297	978	19	characteristics	characteristic	NNS
43297	978	20	of	of	IN
43297	978	21	the	the	DT
43297	978	22	numerous	numerous	JJ
43297	978	23	materials	material	NNS
43297	978	24	known	know	VBN
43297	978	25	as	as	IN
43297	978	26	'	'	``
43297	978	27	clay	clay	NN
43297	978	28	,	,	,
43297	978	29	'	'	''
43297	978	30	it	-PRON-	PRP
43297	978	31	now	now	RB
43297	978	32	remains	remain	VBZ
43297	978	33	to	to	TO
43297	978	34	ascertain	ascertain	VB
43297	978	35	what	what	WDT
43297	978	36	substance	substance	NN
43297	978	37	,	,	,
43297	978	38	if	if	IN
43297	978	39	any	any	DT
43297	978	40	,	,	,
43297	978	41	is	be	VBZ
43297	978	42	contained	contain	VBN
43297	978	43	in	in	IN
43297	978	44	all	all	DT
43297	978	45	of	of	IN
43297	978	46	them	-PRON-	PRP
43297	978	47	and	and	CC
43297	978	48	may	may	MD
43297	978	49	be	be	VB
43297	978	50	regarded	regard	VBN
43297	978	51	as	as	IN
43297	978	52	their	-PRON-	PRP$
43297	978	53	essential	essential	JJ
43297	978	54	constituent	constituent	NN
43297	978	55	,	,	,
43297	978	56	to	to	TO
43297	978	57	which	which	WDT
43297	978	58	their	-PRON-	PRP$
43297	978	59	properties	property	NNS
43297	978	60	are	be	VBP
43297	978	61	largely	largely	RB
43297	978	62	due	due	JJ
43297	978	63	.	.	.
43297	979	1	Just	just	RB
43297	979	2	as	as	IN
43297	979	3	the	the	DT
43297	979	4	value	value	NN
43297	979	5	of	of	IN
43297	979	6	an	an	DT
43297	979	7	ore	ore	NN
43297	979	8	is	be	VBZ
43297	979	9	dependent	dependent	JJ
43297	979	10	to	to	IN
43297	979	11	a	a	DT
43297	979	12	very	very	RB
43297	979	13	large	large	JJ
43297	979	14	extent	extent	NN
43297	979	15	on	on	IN
43297	979	16	the	the	DT
43297	979	17	proportion	proportion	NN
43297	979	18	of	of	IN
43297	979	19	the	the	DT
43297	979	20	desired	desire	VBN
43297	979	21	metal	metal	NN
43297	979	22	which	which	WDT
43297	979	23	it	-PRON-	PRP
43297	979	24	contains	contain	VBZ
43297	979	25	,	,	,
43297	979	26	and	and	CC
43297	979	27	just	just	RB
43297	979	28	as	as	IN
43297	979	29	coal	coal	NN
43297	979	30	is	be	VBZ
43297	979	31	largely	largely	RB
43297	979	32	,	,	,
43297	979	33	though	though	IN
43297	979	34	not	not	RB
43297	979	35	entirely	entirely	RB
43297	979	36	,	,	,
43297	979	37	esteemed	esteem	VBN
43297	979	38	in	in	IN
43297	979	39	proportion	proportion	NN
43297	979	40	to	to	IN
43297	979	41	the	the	DT
43297	979	42	percentage	percentage	NN
43297	979	43	of	of	IN
43297	979	44	carbon	carbon	NN
43297	979	45	and	and	CC
43297	979	46	hydrogen	hydrogen	NN
43297	979	47	in	in	IN
43297	979	48	it	-PRON-	PRP
43297	979	49	,	,	,
43297	979	50	so	so	CC
43297	979	51	there	there	EX
43297	979	52	may	may	MD
43297	979	53	be	be	VB
43297	979	54	an	an	DT
43297	979	55	essential	essential	JJ
43297	979	56	substance	substance	NN
43297	979	57	in	in	IN
43297	979	58	clays	clay	NNS
43297	979	59	to	to	TO
43297	979	60	which	which	WDT
43297	979	61	they	-PRON-	PRP
43297	979	62	owe	owe	VBP
43297	979	63	the	the	DT
43297	979	64	most	most	RBS
43297	979	65	important	important	JJ
43297	979	66	of	of	IN
43297	979	67	their	-PRON-	PRP$
43297	979	68	characteristics	characteristic	NNS
43297	979	69	.	.	.
43297	980	1	The	the	DT
43297	980	2	proportion	proportion	NN
43297	980	3	of	of	IN
43297	980	4	metal	metal	NN
43297	980	5	in	in	IN
43297	980	6	an	an	DT
43297	980	7	ore	ore	NN
43297	980	8	or	or	CC
43297	980	9	of	of	IN
43297	980	10	hydrocarbon	hydrocarbon	NN
43297	980	11	in	in	IN
43297	980	12	a	a	DT
43297	980	13	coal	coal	NN
43297	980	14	can	can	MD
43297	980	15	be	be	VB
43297	980	16	ascertained	ascertain	VBN
43297	980	17	without	without	IN
43297	980	18	serious	serious	JJ
43297	980	19	difficulty	difficulty	NN
43297	980	20	by	by	IN
43297	980	21	some	some	DT
43297	980	22	means	mean	NNS
43297	980	23	of	of	IN
43297	980	24	analysis	analysis	NN
43297	980	25	,	,	,
43297	980	26	but	but	CC
43297	980	27	with	with	IN
43297	980	28	clay	clay	NN
43297	980	29	the	the	DT
43297	980	30	difficulties	difficulty	NNS
43297	980	31	are	be	VBP
43297	980	32	so	so	RB
43297	980	33	great	great	JJ
43297	980	34	that	that	IN
43297	980	35	,	,	,
43297	980	36	to	to	IN
43297	980	37	some	some	DT
43297	980	38	extent	extent	NN
43297	980	39	at	at	RB
43297	980	40	least	least	JJS
43297	980	41	,	,	,
43297	980	42	they	-PRON-	PRP
43297	980	43	must	must	MD
43297	980	44	be	be	VB
43297	980	45	regarded	regard	VBN
43297	980	46	as	as	IN
43297	980	47	being	be	VBG
43297	980	48	,	,	,
43297	980	49	for	for	IN
43297	980	50	the	the	DT
43297	980	51	present	present	JJ
43297	980	52	,	,	,
43297	980	53	insurmountable	insurmountable	JJ
43297	980	54	.	.	.
43297	981	1	This	this	DT
43297	981	2	is	be	VBZ
43297	981	3	in	in	IN
43297	981	4	no	no	DT
43297	981	5	small	small	JJ
43297	981	6	measure	measure	NN
43297	981	7	due	due	IN
43297	981	8	to	to	IN
43297	981	9	the	the	DT
43297	981	10	general	general	JJ
43297	981	11	recognition	recognition	NN
43297	981	12	of	of	IN
43297	981	13	all	all	DT
43297	981	14	minerals	mineral	NNS
43297	981	15	or	or	CC
43297	981	16	rocks	rock	NNS
43297	981	17	which	which	WDT
43297	981	18	become	become	VBP
43297	981	19	plastic	plastic	NN
43297	981	20	when	when	WRB
43297	981	21	kneaded	knead	VBN
43297	981	22	with	with	IN
43297	981	23	water	water	NN
43297	981	24	as	as	IN
43297	981	25	'	'	``
43297	981	26	clays	clay	NNS
43297	981	27	'	'	''
43297	981	28	without	without	IN
43297	981	29	much	much	JJ
43297	981	30	regard	regard	NN
43297	981	31	being	be	VBG
43297	981	32	paid	pay	VBN
43297	981	33	to	to	IN
43297	981	34	their	-PRON-	PRP$
43297	981	35	composition	composition	NN
43297	981	36	.	.	.
43297	982	1	Consequently	consequently	RB
43297	982	2	materials	material	NNS
43297	982	3	of	of	IN
43297	982	4	the	the	DT
43297	982	5	most	most	RBS
43297	982	6	diverse	diverse	JJ
43297	982	7	nature	nature	NN
43297	982	8	in	in	IN
43297	982	9	other	other	JJ
43297	982	10	respects	respect	NNS
43297	982	11	are	be	VBP
43297	982	12	termed	term	VBN
43297	982	13	clays	clay	NNS
43297	982	14	if	if	IN
43297	982	15	they	-PRON-	PRP
43297	982	16	are	be	VBP
43297	982	17	known	know	VBN
43297	982	18	to	to	TO
43297	982	19	become	become	VB
43297	982	20	plastic	plastic	NN
43297	982	21	under	under	IN
43297	982	22	certain	certain	JJ
43297	982	23	conditions	condition	NNS
43297	982	24	.	.	.
43297	983	1	There	there	EX
43297	983	2	is	be	VBZ
43297	983	3	,	,	,
43297	983	4	in	in	IN
43297	983	5	fact	fact	NN
43297	983	6	,	,	,
43297	983	7	at	at	IN
43297	983	8	the	the	DT
43297	983	9	present	present	JJ
43297	983	10	time	time	NN
43297	983	11	,	,	,
43297	983	12	no	no	DT
43297	983	13	generally	generally	RB
43297	983	14	accepted	accept	VBN
43297	983	15	definition	definition	NN
43297	983	16	of	of	IN
43297	983	17	clay	clay	NN
43297	983	18	which	which	WDT
43297	983	19	distinguishes	distinguish	VBZ
43297	983	20	it	-PRON-	PRP
43297	983	21	from	from	IN
43297	983	22	mixtures	mixture	NNS
43297	983	23	of	of	IN
43297	983	24	clay	clay	NN
43297	983	25	and	and	CC
43297	983	26	sand	sand	NN
43297	983	27	or	or	CC
43297	983	28	other	other	JJ
43297	983	29	fine	fine	JJ
43297	983	30	mineral	mineral	NN
43297	983	31	particles	particle	NNS
43297	983	32	.	.	.
43297	984	1	The	the	DT
43297	984	2	usual	usual	JJ
43297	984	3	geological	geological	JJ
43297	984	4	definitions	definition	NNS
43297	984	5	are	be	VBP
43297	984	6	so	so	RB
43297	984	7	broad	broad	JJ
43297	984	8	as	as	IN
43297	984	9	to	to	TO
43297	984	10	include	include	VB
43297	984	11	many	many	JJ
43297	984	12	mixtures	mixture	NNS
43297	984	13	containing	contain	VBG
43297	984	14	considerably	considerably	RB
43297	984	15	less	less	JJR
43297	984	16	than	than	IN
43297	984	17	half	half	PDT
43297	984	18	their	-PRON-	PRP$
43297	984	19	weight	weight	NN
43297	984	20	of	of	IN
43297	984	21	true	true	JJ
43297	984	22	clay	clay	NN
43297	984	23	or	or	CC
43297	984	24	they	-PRON-	PRP
43297	984	25	avoid	avoid	VBP
43297	984	26	the	the	DT
43297	984	27	composition	composition	NN
43297	984	28	of	of	IN
43297	984	29	the	the	DT
43297	984	30	material	material	NN
43297	984	31	altogether	altogether	RB
43297	984	32	and	and	CC
43297	984	33	describe	describe	VB
43297	984	34	it	-PRON-	PRP
43297	984	35	as	as	IN
43297	984	36	a	a	DT
43297	984	37	finely	finely	RB
43297	984	38	divided	divide	VBN
43297	984	39	product	product	NN
43297	984	40	of	of	IN
43297	984	41	the	the	DT
43297	984	42	decomposition	decomposition	NN
43297	984	43	of	of	IN
43297	984	44	rocks	rock	NNS
43297	984	45	.	.	.
43297	985	1	Many	many	JJ
43297	985	2	attempts	attempt	NNS
43297	985	3	have	have	VBP
43297	985	4	been	be	VBN
43297	985	5	made	make	VBN
43297	985	6	to	to	TO
43297	985	7	avoid	avoid	VB
43297	985	8	this	this	DT
43297	985	9	unfortunate	unfortunate	JJ
43297	985	10	position	position	NN
43297	985	11	,	,	,
43297	985	12	which	which	WDT
43297	985	13	is	be	VBZ
43297	985	14	alike	alike	RB
43297	985	15	unsatisfactory	unsatisfactory	JJ
43297	985	16	to	to	IN
43297	985	17	the	the	DT
43297	985	18	geologist	geologist	NN
43297	985	19	,	,	,
43297	985	20	the	the	DT
43297	985	21	mineralogist	mineralogist	NN
43297	985	22	and	and	CC
43297	985	23	the	the	DT
43297	985	24	chemist	chemist	NN
43297	985	25	as	as	RB
43297	985	26	well	well	RB
43297	985	27	as	as	IN
43297	985	28	to	to	IN
43297	985	29	the	the	DT
43297	985	30	large	large	JJ
43297	985	31	number	number	NN
43297	985	32	of	of	IN
43297	985	33	people	people	NNS
43297	985	34	engaged	engage	VBN
43297	985	35	in	in	IN
43297	985	36	the	the	DT
43297	985	37	purchase	purchase	NN
43297	985	38	and	and	CC
43297	985	39	use	use	NN
43297	985	40	of	of	IN
43297	985	41	various	various	JJ
43297	985	42	clays	clay	NNS
43297	985	43	;	;	:
43297	985	44	and	and	CC
43297	985	45	,	,	,
43297	985	46	whilst	whilst	IN
43297	985	47	the	the	DT
43297	985	48	end	end	NN
43297	985	49	sought	seek	VBD
43297	985	50	has	have	VBZ
43297	985	51	not	not	RB
43297	985	52	been	be	VBN
43297	985	53	reached	reach	VBN
43297	985	54	as	as	RB
43297	985	55	completely	completely	RB
43297	985	56	as	as	IN
43297	985	57	is	be	VBZ
43297	985	58	desirable	desirable	JJ
43297	985	59	,	,	,
43297	985	60	great	great	JJ
43297	985	61	progress	progress	NN
43297	985	62	has	have	VBZ
43297	985	63	been	be	VBN
43297	985	64	made	make	VBN
43297	985	65	and	and	CC
43297	985	66	much	much	JJ
43297	985	67	has	have	VBZ
43297	985	68	been	be	VBN
43297	985	69	accomplished	accomplish	VBN
43297	985	70	during	during	IN
43297	985	71	the	the	DT
43297	985	72	last	last	JJ
43297	985	73	twenty	twenty	CD
43297	985	74	years	year	NNS
43297	985	75	.	.	.
43297	986	1	One	one	CD
43297	986	2	of	of	IN
43297	986	3	the	the	DT
43297	986	4	earliest	early	JJS
43297	986	5	attempts	attempt	NNS
43297	986	6	to	to	TO
43297	986	7	ascertain	ascertain	VB
43297	986	8	whether	whether	IN
43297	986	9	there	there	EX
43297	986	10	is	be	VBZ
43297	986	11	an	an	DT
43297	986	12	essential	essential	JJ
43297	986	13	constituent	constituent	NN
43297	986	14	of	of	IN
43297	986	15	all	all	DT
43297	986	16	clays	clay	NNS
43297	986	17	was	be	VBD
43297	986	18	made	make	VBN
43297	986	19	by	by	IN
43297	986	20	Seger	Seger	NNP
43297	986	21	(	(	-LRB-
43297	986	22	7	7	CD
43297	986	23	)	)	-RRB-
43297	986	24	who	who	WP
43297	986	25	used	use	VBD
43297	986	26	two	two	CD
43297	986	27	methods	method	NNS
43297	986	28	of	of	IN
43297	986	29	separating	separate	VBG
43297	986	30	some	some	DT
43297	986	31	of	of	IN
43297	986	32	the	the	DT
43297	986	33	ingredients	ingredient	NNS
43297	986	34	of	of	IN
43297	986	35	natural	natural	JJ
43297	986	36	clays	clay	NNS
43297	986	37	from	from	IN
43297	986	38	the	the	DT
43297	986	39	remaining	remain	VBG
43297	986	40	constituents	constituent	NNS
43297	986	41	.	.	.
43297	987	1	The	the	DT
43297	987	2	first	first	JJ
43297	987	3	of	of	IN
43297	987	4	these	these	DT
43297	987	5	methods	method	NNS
43297	987	6	consists	consist	VBZ
43297	987	7	in	in	IN
43297	987	8	an	an	DT
43297	987	9	application	application	NN
43297	987	10	of	of	IN
43297	987	11	the	the	DT
43297	987	12	investigations	investigation	NNS
43297	987	13	of	of	IN
43297	987	14	Schulze	Schulze	NNP
43297	987	15	,	,	,
43297	987	16	Schloesing	Schloesing	NNP
43297	987	17	and	and	CC
43297	987	18	Schoene	Schoene	NNP
43297	987	19	on	on	IN
43297	987	20	soils	soil	NNS
43297	987	21	,	,	,
43297	987	22	viz	viz	NN
43297	987	23	.	.	.
43297	988	1	the	the	DT
43297	988	2	removal	removal	NN
43297	988	3	of	of	IN
43297	988	4	the	the	DT
43297	988	5	finest	fine	JJS
43297	988	6	particles	particle	NNS
43297	988	7	by	by	IN
43297	988	8	elutriation	elutriation	NN
43297	988	9	;	;	:
43297	988	10	the	the	DT
43297	988	11	second	second	JJ
43297	988	12	is	be	VBZ
43297	988	13	an	an	DT
43297	988	14	extension	extension	NN
43297	988	15	of	of	IN
43297	988	16	the	the	DT
43297	988	17	method	method	NN
43297	988	18	of	of	IN
43297	988	19	Forschammer	Forschammer	NNP
43297	988	20	and	and	CC
43297	988	21	Fresenius	Fresenius	NNP
43297	988	22	,	,	,
43297	988	23	viz	viz	NN
43297	988	24	.	.	.
43297	989	1	the	the	DT
43297	989	2	treatment	treatment	NN
43297	989	3	of	of	IN
43297	989	4	the	the	DT
43297	989	5	material	material	NN
43297	989	6	with	with	IN
43297	989	7	sulphuric	sulphuric	JJ
43297	989	8	acid	acid	NN
43297	989	9	.	.	.
43297	990	1	To	to	IN
43297	990	2	the	the	DT
43297	990	3	product	product	NN
43297	990	4	containing	contain	VBG
43297	990	5	the	the	DT
43297	990	6	clay	clay	NN
43297	990	7	when	when	WRB
43297	990	8	either	either	DT
43297	990	9	of	of	IN
43297	990	10	these	these	DT
43297	990	11	methods	method	NNS
43297	990	12	is	be	VBZ
43297	990	13	used	use	VBN
43297	990	14	Seger	Seger	NNP
43297	990	15	gave	give	VBD
43297	990	16	the	the	DT
43297	990	17	name	name	NN
43297	990	18	_	_	NNP
43297	990	19	clay	clay	NN
43297	990	20	substance	substance	NN
43297	990	21	_	_	NNP
43297	990	22	,	,	,
43297	990	23	but	but	CC
43297	990	24	the	the	DT
43297	990	25	material	material	NN
43297	990	26	so	so	RB
43297	990	27	separated	separated	JJ
43297	990	28	is	be	VBZ
43297	990	29	by	by	IN
43297	990	30	no	no	DT
43297	990	31	means	means	NN
43297	990	32	pure	pure	JJ
43297	990	33	clay	clay	NN
43297	990	34	.	.	.
43297	991	1	The	the	DT
43297	991	2	term	term	NN
43297	991	3	clay	clay	NN
43297	991	4	substance	substance	NN
43297	991	5	must	must	MD
43297	991	6	,	,	,
43297	991	7	therefore	therefore	RB
43297	991	8	,	,	,
43297	991	9	be	be	VB
43297	991	10	confined	confine	VBN
43297	991	11	to	to	IN
43297	991	12	the	the	DT
43297	991	13	crude	crude	JJ
43297	991	14	product	product	NN
43297	991	15	containing	contain	VBG
43297	991	16	the	the	DT
43297	991	17	clay	clay	NN
43297	991	18	together	together	RB
43297	991	19	with	with	IN
43297	991	20	such	such	JJ
43297	991	21	other	other	JJ
43297	991	22	impurities	impurity	NNS
43297	991	23	as	as	IN
43297	991	24	are	be	VBP
43297	991	25	in	in	IN
43297	991	26	the	the	DT
43297	991	27	form	form	NN
43297	991	28	of	of	IN
43297	991	29	extremely	extremely	RB
43297	991	30	small	small	JJ
43297	991	31	particles	particle	NNS
43297	991	32	or	or	CC
43297	991	33	are	be	VBP
43297	991	34	soluble	soluble	JJ
43297	991	35	in	in	IN
43297	991	36	sulphuric	sulphuric	JJ
43297	991	37	acid	acid	NN
43297	991	38	.	.	.
43297	992	1	It	-PRON-	PRP
43297	992	2	has	have	VBZ
43297	992	3	not	not	RB
43297	992	4	yet	yet	RB
43297	992	5	been	be	VBN
43297	992	6	found	find	VBN
43297	992	7	possible	possible	JJ
43297	992	8	to	to	TO
43297	992	9	isolate	isolate	VB
43297	992	10	pure	pure	JJ
43297	992	11	clay	clay	NN
43297	992	12	from	from	IN
43297	992	13	ordinary	ordinary	JJ
43297	992	14	clays	clay	NNS
43297	992	15	,	,	,
43297	992	16	so	so	IN
43297	992	17	that	that	IN
43297	992	18	in	in	IN
43297	992	19	investigating	investigate	VBG
43297	992	20	the	the	DT
43297	992	21	nature	nature	NN
43297	992	22	of	of	IN
43297	992	23	what	what	WP
43297	992	24	Seger	Seger	NNP
43297	992	25	was	be	VBD
43297	992	26	endeavouring	endeavour	VBG
43297	992	27	to	to	TO
43297	992	28	produce	produce	VB
43297	992	29	when	when	WRB
43297	992	30	he	-PRON-	PRP
43297	992	31	obtained	obtain	VBD
43297	992	32	the	the	DT
43297	992	33	crude	crude	JJ
43297	992	34	clay	clay	NN
43297	992	35	substance	substance	NN
43297	992	36	,	,	,
43297	992	37	indirect	indirect	JJ
43297	992	38	methods	method	NNS
43297	992	39	are	be	VBP
43297	992	40	necessary	necessary	JJ
43297	992	41	.	.	.
43297	993	1	It	-PRON-	PRP
43297	993	2	has	have	VBZ
43297	993	3	long	long	RB
43297	993	4	been	be	VBN
43297	993	5	known	know	VBN
43297	993	6	that	that	IN
43297	993	7	if	if	IN
43297	993	8	a	a	DT
43297	993	9	sample	sample	NN
43297	993	10	of	of	IN
43297	993	11	'	'	''
43297	993	12	clay'--using	clay'--using	NN
43297	993	13	this	this	DT
43297	993	14	word	word	NN
43297	993	15	in	in	IN
43297	993	16	the	the	DT
43297	993	17	broadest	broad	JJS
43297	993	18	sense	sense	NN
43297	993	19	--	--	:
43297	993	20	is	be	VBZ
43297	993	21	rubbed	rub	VBN
43297	993	22	in	in	IN
43297	993	23	a	a	DT
43297	993	24	considerable	considerable	JJ
43297	993	25	quantity	quantity	NN
43297	993	26	of	of	IN
43297	993	27	water	water	NN
43297	993	28	so	so	IN
43297	993	29	as	as	IN
43297	993	30	to	to	TO
43297	993	31	form	form	VB
43297	993	32	a	a	DT
43297	993	33	thin	thin	JJ
43297	993	34	slip	slip	NN
43297	993	35	or	or	CC
43297	993	36	slurry	slurry	VBP
43297	993	37	,	,	,
43297	993	38	it	-PRON-	PRP
43297	993	39	may	may	MD
43297	993	40	readily	readily	RB
43297	993	41	be	be	VB
43297	993	42	divided	divide	VBN
43297	993	43	into	into	IN
43297	993	44	a	a	DT
43297	993	45	number	number	NN
43297	993	46	of	of	IN
43297	993	47	fractions	fraction	NNS
43297	993	48	each	each	DT
43297	993	49	of	of	IN
43297	993	50	which	which	WDT
43297	993	51	will	will	MD
43297	993	52	consist	consist	VB
43297	993	53	of	of	IN
43297	993	54	grains	grain	NNS
43297	993	55	of	of	IN
43297	993	56	different	different	JJ
43297	993	57	sizes	size	NNS
43297	993	58	.	.	.
43297	994	1	This	this	DT
43297	994	2	separation	separation	NN
43297	994	3	may	may	MD
43297	994	4	be	be	VB
43297	994	5	effected	effect	VBN
43297	994	6	by	by	IN
43297	994	7	means	mean	NNS
43297	994	8	of	of	IN
43297	994	9	a	a	DT
43297	994	10	series	series	NN
43297	994	11	of	of	IN
43297	994	12	sieves	sieve	NNS
43297	994	13	through	through	IN
43297	994	14	which	which	WDT
43297	994	15	the	the	DT
43297	994	16	slurry	slurry	NN
43297	994	17	is	be	VBZ
43297	994	18	poured	pour	VBN
43297	994	19	,	,	,
43297	994	20	or	or	CC
43297	994	21	the	the	DT
43297	994	22	slurry	slurry	NN
43297	994	23	may	may	MD
43297	994	24	be	be	VB
43297	994	25	caused	cause	VBN
43297	994	26	to	to	TO
43297	994	27	flow	flow	VB
43297	994	28	at	at	IN
43297	994	29	a	a	DT
43297	994	30	series	series	NN
43297	994	31	of	of	IN
43297	994	32	different	different	JJ
43297	994	33	speeds	speed	NNS
43297	994	34	,	,	,
43297	994	35	the	the	DT
43297	994	36	material	material	NN
43297	994	37	left	leave	VBD
43297	994	38	behind	behind	RB
43297	994	39	at	at	IN
43297	994	40	each	each	DT
43297	994	41	rate	rate	NN
43297	994	42	of	of	IN
43297	994	43	speed	speed	NN
43297	994	44	being	be	VBG
43297	994	45	kept	keep	VBN
43297	994	46	separate	separate	JJ
43297	994	47	;	;	:
43297	994	48	or	or	CC
43297	994	49	,	,	,
43297	994	50	finally	finally	RB
43297	994	51	,	,	,
43297	994	52	the	the	DT
43297	994	53	slurry	slurry	NN
43297	994	54	may	may	MD
43297	994	55	be	be	VB
43297	994	56	allowed	allow	VBN
43297	994	57	to	to	TO
43297	994	58	stand	stand	VB
43297	994	59	for	for	IN
43297	994	60	a	a	DT
43297	994	61	few	few	JJ
43297	994	62	seconds	second	NNS
43297	994	63	and	and	CC
43297	994	64	may	may	MD
43297	994	65	then	then	RB
43297	994	66	be	be	VB
43297	994	67	carefully	carefully	RB
43297	994	68	decanted	decant	VBN
43297	994	69	into	into	IN
43297	994	70	another	another	DT
43297	994	71	vessel	vessel	NN
43297	994	72	in	in	IN
43297	994	73	which	which	WDT
43297	994	74	it	-PRON-	PRP
43297	994	75	may	may	MD
43297	994	76	remain	remain	VB
43297	994	77	at	at	IN
43297	994	78	rest	rest	NN
43297	994	79	for	for	IN
43297	994	80	a	a	DT
43297	994	81	somewhat	somewhat	RB
43297	994	82	longer	long	JJR
43297	994	83	period	period	NN
43297	994	84	,	,	,
43297	994	85	these	these	DT
43297	994	86	times	time	NNS
43297	994	87	of	of	IN
43297	994	88	resting	resting	NN
43297	994	89	and	and	CC
43297	994	90	decantation	decantation	NN
43297	994	91	,	,	,
43297	994	92	if	if	IN
43297	994	93	repeated	repeat	VBN
43297	994	94	,	,	,
43297	994	95	providing	provide	VBG
43297	994	96	a	a	DT
43297	994	97	series	series	NN
43297	994	98	of	of	IN
43297	994	99	fractions	fraction	NNS
43297	994	100	the	the	DT
43297	994	101	materials	material	NNS
43297	994	102	in	in	IN
43297	994	103	which	which	WDT
43297	994	104	are	be	VBP
43297	994	105	more	more	RBR
43297	994	106	or	or	CC
43297	994	107	less	less	RBR
43297	994	108	different	different	JJ
43297	994	109	in	in	IN
43297	994	110	their	-PRON-	PRP$
43297	994	111	nature	nature	NN
43297	994	112	.	.	.
43297	995	1	'	'	``
43297	995	2	Clays	clay	NNS
43297	995	3	'	'	''
43297	995	4	containing	contain	VBG
43297	995	5	a	a	DT
43297	995	6	considerable	considerable	JJ
43297	995	7	proportion	proportion	NN
43297	995	8	of	of	IN
43297	995	9	coarse	coarse	JJ
43297	995	10	material	material	NN
43297	995	11	are	be	VBP
43297	995	12	most	most	RBS
43297	995	13	conveniently	conveniently	RB
43297	995	14	separated	separate	VBN
43297	995	15	into	into	IN
43297	995	16	a	a	DT
43297	995	17	series	series	NN
43297	995	18	of	of	IN
43297	995	19	fractions	fraction	NNS
43297	995	20	by	by	IN
43297	995	21	means	mean	NNS
43297	995	22	of	of	IN
43297	995	23	sieves	sieve	NNS
43297	995	24	,	,	,
43297	995	25	whereby	whereby	WRB
43297	995	26	they	-PRON-	PRP
43297	995	27	are	be	VBP
43297	995	28	divided	divide	VBN
43297	995	29	into	into	IN
43297	995	30	(	(	-LRB-
43297	995	31	i	i	NN
43297	995	32	)	)	-RRB-
43297	995	33	stones	stone	NNS
43297	995	34	,	,	,
43297	995	35	(	(	-LRB-
43297	995	36	ii	ii	NNP
43297	995	37	)	)	-RRB-
43297	995	38	gravel	gravel	NN
43297	995	39	,	,	,
43297	995	40	(	(	-LRB-
43297	995	41	iii	iii	NN
43297	995	42	)	)	-RRB-
43297	995	43	coarse	coarse	JJ
43297	995	44	sand	sand	NN
43297	995	45	,	,	,
43297	995	46	(	(	-LRB-
43297	995	47	iv	iv	LS
43297	995	48	)	)	-RRB-
43297	995	49	medium	medium	JJ
43297	995	50	sand	sand	NN
43297	995	51	,	,	,
43297	995	52	(	(	-LRB-
43297	995	53	v	v	NN
43297	995	54	)	)	-RRB-
43297	995	55	fine	fine	JJ
43297	995	56	sand	sand	NN
43297	995	57	and	and	CC
43297	995	58	(	(	-LRB-
43297	995	59	vi	vi	NNP
43297	995	60	)	)	-RRB-
43297	995	61	a	a	DT
43297	995	62	slurry	slurry	NN
43297	995	63	consisting	consist	VBG
43297	995	64	of	of	IN
43297	995	65	such	such	JJ
43297	995	66	small	small	JJ
43297	995	67	particles	particle	NNS
43297	995	68	that	that	WDT
43297	995	69	they	-PRON-	PRP
43297	995	70	can	can	MD
43297	995	71	no	no	RB
43297	995	72	longer	longer	RB
43297	995	73	be	be	VB
43297	995	74	separated	separate	VBN
43297	995	75	by	by	IN
43297	995	76	sifting	sift	VBG
43297	995	77	.	.	.
43297	996	1	If	if	IN
43297	996	2	the	the	DT
43297	996	3	residues	residue	NNS
43297	996	4	on	on	IN
43297	996	5	the	the	DT
43297	996	6	sieves	sieve	NNS
43297	996	7	are	be	VBP
43297	996	8	carefully	carefully	RB
43297	996	9	washed	wash	VBN
43297	996	10	free	free	JJ
43297	996	11	from	from	IN
43297	996	12	any	any	DT
43297	996	13	adhering	adhere	VBG
43297	996	14	fine	fine	JJ
43297	996	15	material	material	NN
43297	996	16	and	and	CC
43297	996	17	are	be	VBP
43297	996	18	then	then	RB
43297	996	19	dried	dry	VBN
43297	996	20	,	,	,
43297	996	21	they	-PRON-	PRP
43297	996	22	will	will	MD
43297	996	23	be	be	VB
43297	996	24	found	find	VBN
43297	996	25	on	on	IN
43297	996	26	examination	examination	NN
43297	996	27	to	to	TO
43297	996	28	be	be	VB
43297	996	29	quite	quite	RB
43297	996	30	distinct	distinct	JJ
43297	996	31	from	from	IN
43297	996	32	anything	anything	NN
43297	996	33	definable	definable	JJ
43297	996	34	as	as	IN
43297	996	35	clay	clay	NN
43297	996	36	.	.	.
43297	997	1	They	-PRON-	PRP
43297	997	2	may	may	MD
43297	997	3	consist	consist	VB
43297	997	4	of	of	IN
43297	997	5	a	a	DT
43297	997	6	considerable	considerable	JJ
43297	997	7	variety	variety	NN
43297	997	8	of	of	IN
43297	997	9	minerals	mineral	NNS
43297	997	10	or	or	CC
43297	997	11	may	may	MD
43297	997	12	be	be	VB
43297	997	13	almost	almost	RB
43297	997	14	entirely	entirely	RB
43297	997	15	composed	compose	VBN
43297	997	16	of	of	IN
43297	997	17	quartz	quartz	NN
43297	997	18	,	,	,
43297	997	19	but	but	CC
43297	997	20	with	with	IN
43297	997	21	the	the	DT
43297	997	22	possible	possible	JJ
43297	997	23	exception	exception	NN
43297	997	24	of	of	IN
43297	997	25	some	some	DT
43297	997	26	shales	shale	NNS
43297	997	27	of	of	IN
43297	997	28	great	great	JJ
43297	997	29	hardness	hardness	NN
43297	997	30	,	,	,
43297	997	31	they	-PRON-	PRP
43297	997	32	are	be	VBP
43297	997	33	undoubtedly	undoubtedly	RB
43297	997	34	not	not	RB
43297	997	35	clay	clay	NN
43297	997	36	.	.	.
43297	998	1	This	this	DT
43297	998	2	simple	simple	JJ
43297	998	3	process	process	NN
43297	998	4	therefore	therefore	RB
43297	998	5	serves	serve	VBZ
43297	998	6	to	to	TO
43297	998	7	remove	remove	VB
43297	998	8	a	a	DT
43297	998	9	proportion	proportion	NN
43297	998	10	of	of	IN
43297	998	11	material	material	NN
43297	998	12	which	which	WDT
43297	998	13	in	in	IN
43297	998	14	the	the	DT
43297	998	15	case	case	NN
43297	998	16	of	of	IN
43297	998	17	some	some	DT
43297	998	18	'	'	``
43297	998	19	clays	clay	NNS
43297	998	20	'	'	''
43297	998	21	is	be	VBZ
43297	998	22	very	very	RB
43297	998	23	large	large	JJ
43297	998	24	but	but	CC
43297	998	25	in	in	IN
43297	998	26	others	other	NNS
43297	998	27	is	be	VBZ
43297	998	28	insignificant	insignificant	JJ
43297	998	29	;	;	:
43297	998	30	thus	thus	RB
43297	998	31	40	40	CD
43297	998	32	per	per	NN
43297	998	33	cent	cent	NN
43297	998	34	.	.	.
43297	999	1	of	of	IN
43297	999	2	sand	sand	NN
43297	999	3	-	-	HYPH
43297	999	4	like	like	JJ
43297	999	5	material	material	NN
43297	999	6	may	may	MD
43297	999	7	be	be	VB
43297	999	8	removed	remove	VBN
43297	999	9	from	from	IN
43297	999	10	some	some	DT
43297	999	11	brick	brick	NN
43297	999	12	-	-	HYPH
43297	999	13	clays	clay	NNS
43297	999	14	whilst	whilst	IN
43297	999	15	a	a	DT
43297	999	16	ball	ball	NN
43297	999	17	clay	clay	NN
43297	999	18	used	use	VBN
43297	999	19	for	for	IN
43297	999	20	the	the	DT
43297	999	21	manufacture	manufacture	NN
43297	999	22	of	of	IN
43297	999	23	stoneware	stoneware	NN
43297	999	24	or	or	CC
43297	999	25	pottery	pottery	NN
43297	999	26	may	may	MD
43297	999	27	pass	pass	VB
43297	999	28	completely	completely	RB
43297	999	29	through	through	IN
43297	999	30	a	a	DT
43297	999	31	sieve	sieve	NN
43297	999	32	having	have	VBG
43297	999	33	200	200	CD
43297	999	34	meshes	mesh	NNS
43297	999	35	per	per	IN
43297	999	36	linear	linear	JJ
43297	999	37	inch	inch	NN
43297	999	38	.	.	.
43297	1000	1	The	the	DT
43297	1000	2	material	material	NN
43297	1000	3	which	which	WDT
43297	1000	4	passes	pass	VBZ
43297	1000	5	through	through	IN
43297	1000	6	the	the	DT
43297	1000	7	finest	fine	JJS
43297	1000	8	sieve	sieve	NN
43297	1000	9	employed	employ	VBN
43297	1000	10	will	will	MD
43297	1000	11	contain	contain	VB
43297	1000	12	all	all	PDT
43297	1000	13	the	the	DT
43297	1000	14	true	true	JJ
43297	1000	15	clay	clay	NN
43297	1000	16	in	in	IN
43297	1000	17	the	the	DT
43297	1000	18	material	material	NN
43297	1000	19	;	;	:
43297	1000	20	that	that	DT
43297	1000	21	is	be	VBZ
43297	1000	22	to	to	TO
43297	1000	23	say	say	VB
43297	1000	24	,	,	,
43297	1000	25	the	the	DT
43297	1000	26	coarser	coarser	NN
43297	1000	27	portion	portion	NN
43297	1000	28	will	will	MD
43297	1000	29	,	,	,
43297	1000	30	as	as	IN
43297	1000	31	already	already	RB
43297	1000	32	mentioned	mention	VBN
43297	1000	33	,	,	,
43297	1000	34	be	be	VB
43297	1000	35	devoid	devoid	JJ
43297	1000	36	of	of	IN
43297	1000	37	the	the	DT
43297	1000	38	ordinary	ordinary	JJ
43297	1000	39	characteristics	characteristic	NNS
43297	1000	40	of	of	IN
43297	1000	41	clay	clay	NN
43297	1000	42	.	.	.
43297	1001	1	At	at	IN
43297	1001	2	the	the	DT
43297	1001	3	same	same	JJ
43297	1001	4	time	time	NN
43297	1001	5	,	,	,
43297	1001	6	this	this	DT
43297	1001	7	very	very	RB
43297	1001	8	fine	fine	JJ
43297	1001	9	material	material	NN
43297	1001	10	will	will	MD
43297	1001	11	seldom	seldom	RB
43297	1001	12	consist	consist	VB
43297	1001	13	exclusively	exclusively	RB
43297	1001	14	of	of	IN
43297	1001	15	clay	clay	NN
43297	1001	16	,	,	,
43297	1001	17	but	but	CC
43297	1001	18	will	will	MD
43297	1001	19	usually	usually	RB
43297	1001	20	contain	contain	VB
43297	1001	21	a	a	DT
43297	1001	22	considerable	considerable	JJ
43297	1001	23	proportion	proportion	NN
43297	1001	24	of	of	IN
43297	1001	25	silt	silt	NN
43297	1001	26	,	,	,
43297	1001	27	extremely	extremely	RB
43297	1001	28	fine	fine	JJ
43297	1001	29	mineral	mineral	NN
43297	1001	30	particles	particle	NNS
43297	1001	31	and	and	CC
43297	1001	32	,	,	,
43297	1001	33	in	in	IN
43297	1001	34	the	the	DT
43297	1001	35	case	case	NN
43297	1001	36	of	of	IN
43297	1001	37	calcareous	calcareous	JJ
43297	1001	38	clays	clay	NNS
43297	1001	39	,	,	,
43297	1001	40	a	a	DT
43297	1001	41	notable	notable	JJ
43297	1001	42	proportion	proportion	NN
43297	1001	43	of	of	IN
43297	1001	44	calcium	calcium	NN
43297	1001	45	carbonate	carbonate	NN
43297	1001	46	in	in	IN
43297	1001	47	the	the	DT
43297	1001	48	form	form	NN
43297	1001	49	of	of	IN
43297	1001	50	chalk	chalk	NN
43297	1001	51	or	or	CC
43297	1001	52	limestone	limestone	NN
43297	1001	53	particles	particle	NNS
43297	1001	54	.	.	.
43297	1002	1	Only	only	RB
43297	1002	2	in	in	IN
43297	1002	3	the	the	DT
43297	1002	4	case	case	NN
43297	1002	5	of	of	IN
43297	1002	6	the	the	DT
43297	1002	7	purest	pure	JJS
43297	1002	8	clays	clay	NNS
43297	1002	9	will	will	MD
43297	1002	10	the	the	DT
43297	1002	11	material	material	NN
43297	1002	12	now	now	RB
43297	1002	13	under	under	IN
43297	1002	14	consideration	consideration	NN
43297	1002	15	consist	consist	VB
43297	1002	16	entirely	entirely	RB
43297	1002	17	of	of	IN
43297	1002	18	clay	clay	NN
43297	1002	19	,	,	,
43297	1002	20	so	so	IN
43297	1002	21	that	that	IN
43297	1002	22	it	-PRON-	PRP
43297	1002	23	must	must	MD
43297	1002	24	be	be	VB
43297	1002	25	again	again	RB
43297	1002	26	separated	separate	VBN
43297	1002	27	into	into	IN
43297	1002	28	its	-PRON-	PRP$
43297	1002	29	constituents	constituent	NNS
43297	1002	30	.	.	.
43297	1003	1	This	this	DT
43297	1003	2	is	be	VBZ
43297	1003	3	best	well	RBS
43297	1003	4	accomplished	accomplish	VBN
43297	1003	5	,	,	,
43297	1003	6	as	as	IN
43297	1003	7	first	first	RB
43297	1003	8	suggested	suggest	VBN
43297	1003	9	by	by	IN
43297	1003	10	Schoene	Schoene	NNP
43297	1003	11	,	,	,
43297	1003	12	by	by	IN
43297	1003	13	exposing	expose	VBG
43297	1003	14	the	the	DT
43297	1003	15	material	material	NN
43297	1003	16	to	to	IN
43297	1003	17	the	the	DT
43297	1003	18	action	action	NN
43297	1003	19	of	of	IN
43297	1003	20	a	a	DT
43297	1003	21	stream	stream	NN
43297	1003	22	of	of	IN
43297	1003	23	water	water	NN
43297	1003	24	of	of	IN
43297	1003	25	definite	definite	JJ
43297	1003	26	speed	speed	NN
43297	1003	27	.	.	.
43297	1004	1	H.	H.	NNP
43297	1004	2	Seger	Seger	NNP
43297	1004	3	(	(	-LRB-
43297	1004	4	7	7	CD
43297	1004	5	)	)	-RRB-
43297	1004	6	investigated	investigate	VBD
43297	1004	7	this	this	DT
43297	1004	8	method	method	NN
43297	1004	9	very	very	RB
43297	1004	10	thoroughly	thoroughly	RB
43297	1004	11	and	and	CC
43297	1004	12	his	-PRON-	PRP$
43297	1004	13	recommendations	recommendation	NNS
43297	1004	14	as	as	IN
43297	1004	15	to	to	IN
43297	1004	16	the	the	DT
43297	1004	17	manner	manner	NN
43297	1004	18	in	in	IN
43297	1004	19	which	which	WDT
43297	1004	20	this	this	DT
43297	1004	21	separation	separation	NN
43297	1004	22	by	by	IN
43297	1004	23	elutriation	elutriation	NN
43297	1004	24	should	should	MD
43297	1004	25	be	be	VB
43297	1004	26	carried	carry	VBN
43297	1004	27	out	out	RP
43297	1004	28	remain	remain	VB
43297	1004	29	in	in	IN
43297	1004	30	use	use	NN
43297	1004	31	at	at	IN
43297	1004	32	the	the	DT
43297	1004	33	present	present	JJ
43297	1004	34	time	time	NN
43297	1004	35	.	.	.
43297	1005	1	Briefly	briefly	RB
43297	1005	2	,	,	,
43297	1005	3	all	all	DT
43297	1005	4	material	material	NN
43297	1005	5	sufficiently	sufficiently	RB
43297	1005	6	fine	fine	JJ
43297	1005	7	to	to	TO
43297	1005	8	be	be	VB
43297	1005	9	carried	carry	VBN
43297	1005	10	away	away	RP
43297	1005	11	by	by	IN
43297	1005	12	a	a	DT
43297	1005	13	stream	stream	NN
43297	1005	14	of	of	IN
43297	1005	15	water	water	NN
43297	1005	16	flowing	flow	VBG
43297	1005	17	at	at	IN
43297	1005	18	the	the	DT
43297	1005	19	rate	rate	NN
43297	1005	20	of	of	IN
43297	1005	21	0·43	0·43	NNP
43297	1005	22	in	in	IN
43297	1005	23	.	.	.
43297	1006	1	per	per	IN
43297	1006	2	minute	minute	NN
43297	1006	3	was	be	VBD
43297	1006	4	found	find	VBN
43297	1006	5	by	by	IN
43297	1006	6	Seger	Seger	NNP
43297	1006	7	to	to	TO
43297	1006	8	include	include	VB
43297	1006	9	the	the	DT
43297	1006	10	whole	whole	NN
43297	1006	11	of	of	IN
43297	1006	12	the	the	DT
43297	1006	13	clay	clay	NN
43297	1006	14	in	in	IN
43297	1006	15	the	the	DT
43297	1006	16	samples	sample	NNS
43297	1006	17	he	-PRON-	PRP
43297	1006	18	examined	examine	VBD
43297	1006	19	,	,	,
43297	1006	20	but	but	CC
43297	1006	21	,	,	,
43297	1006	22	as	as	IN
43297	1006	23	was	be	VBD
43297	1006	24	later	later	RB
43297	1006	25	pointed	point	VBN
43297	1006	26	out	out	RP
43297	1006	27	by	by	IN
43297	1006	28	Bischof	Bischof	NNP
43297	1006	29	,	,	,
43297	1006	30	it	-PRON-	PRP
43297	1006	31	is	be	VBZ
43297	1006	32	not	not	RB
43297	1006	33	correct	correct	JJ
43297	1006	34	to	to	TO
43297	1006	35	term	term	VB
43297	1006	36	the	the	DT
43297	1006	37	whole	whole	NN
43297	1006	38	of	of	IN
43297	1006	39	this	this	DT
43297	1006	40	material	material	NN
43297	1006	41	'	'	POS
43297	1006	42	clay	clay	NN
43297	1006	43	substance	substance	NN
43297	1006	44	,	,	,
43297	1006	45	'	'	''
43297	1006	46	as	as	IN
43297	1006	47	when	when	WRB
43297	1006	48	examined	examine	VBN
43297	1006	49	under	under	IN
43297	1006	50	the	the	DT
43297	1006	51	microscope	microscope	NN
43297	1006	52	,	,	,
43297	1006	53	it	-PRON-	PRP
43297	1006	54	contains	contain	VBZ
43297	1006	55	material	material	NN
43297	1006	56	which	which	WDT
43297	1006	57	is	be	VBZ
43297	1006	58	clearly	clearly	RB
43297	1006	59	not	not	RB
43297	1006	60	clay	clay	JJ
43297	1006	61	.	.	.
43297	1007	1	Processes	process	NNS
43297	1007	2	of	of	IN
43297	1007	3	decantation	decantation	NN
43297	1007	4	of	of	IN
43297	1007	5	the	the	DT
43297	1007	6	finest	fine	JJS
43297	1007	7	material	material	NN
43297	1007	8	obtained	obtain	VBN
43297	1007	9	after	after	IN
43297	1007	10	elutriation	elutriation	NN
43297	1007	11	still	still	RB
43297	1007	12	fail	fail	VBP
43297	1007	13	to	to	TO
43297	1007	14	separate	separate	VB
43297	1007	15	all	all	PDT
43297	1007	16	the	the	DT
43297	1007	17	non	non	JJ
43297	1007	18	-	-	JJ
43297	1007	19	clay	clay	JJ
43297	1007	20	material	material	NN
43297	1007	21	,	,	,
43297	1007	22	and	and	CC
43297	1007	23	Vogt	Vogt	NNP
43297	1007	24	has	have	VBZ
43297	1007	25	found	find	VBN
43297	1007	26	that	that	IN
43297	1007	27	when	when	WRB
43297	1007	28	the	the	DT
43297	1007	29	material	material	NN
43297	1007	30	has	have	VBZ
43297	1007	31	been	be	VBN
43297	1007	32	allowed	allow	VBN
43297	1007	33	to	to	TO
43297	1007	34	stand	stand	VB
43297	1007	35	in	in	IN
43297	1007	36	suspension	suspension	NN
43297	1007	37	for	for	IN
43297	1007	38	nine	nine	CD
43297	1007	39	days	day	NNS
43297	1007	40	some	some	DT
43297	1007	41	particles	particle	NNS
43297	1007	42	of	of	IN
43297	1007	43	mica	mica	NNP
43297	1007	44	are	be	VBP
43297	1007	45	still	still	RB
43297	1007	46	associated	associate	VBN
43297	1007	47	with	with	IN
43297	1007	48	the	the	DT
43297	1007	49	clay	clay	NN
43297	1007	50	.	.	.
43297	1008	1	It	-PRON-	PRP
43297	1008	2	would	would	MD
43297	1008	3	thus	thus	RB
43297	1008	4	appear	appear	VB
43297	1008	5	that	that	IN
43297	1008	6	no	no	DT
43297	1008	7	process	process	NN
43297	1008	8	of	of	IN
43297	1008	9	mechanical	mechanical	JJ
43297	1008	10	separation	separation	NN
43297	1008	11	will	will	MD
43297	1008	12	serve	serve	VB
43297	1008	13	for	for	IN
43297	1008	14	a	a	DT
43297	1008	15	complete	complete	JJ
43297	1008	16	purification	purification	NN
43297	1008	17	of	of	IN
43297	1008	18	a	a	DT
43297	1008	19	clay	clay	NN
43297	1008	20	;	;	:
43297	1008	21	indeed	indeed	RB
43297	1008	22	,	,	,
43297	1008	23	there	there	EX
43297	1008	24	are	be	VBP
43297	1008	25	good	good	JJ
43297	1008	26	reasons	reason	NNS
43297	1008	27	for	for	IN
43297	1008	28	supposing	suppose	VBG
43297	1008	29	that	that	IN
43297	1008	30	extremely	extremely	RB
43297	1008	31	fine	fine	JJ
43297	1008	32	particles	particle	NNS
43297	1008	33	of	of	IN
43297	1008	34	quartz	quartz	NNP
43297	1008	35	and	and	CC
43297	1008	36	mica	mica	NNP
43297	1008	37	render	render	NNP
43297	1008	38	physical	physical	JJ
43297	1008	39	characteristics	characteristic	NNS
43297	1008	40	an	an	DT
43297	1008	41	uncertain	uncertain	JJ
43297	1008	42	means	means	NN
43297	1008	43	of	of	IN
43297	1008	44	accurately	accurately	RB
43297	1008	45	distinguishing	distinguish	VBG
43297	1008	46	clays	clay	NNS
43297	1008	47	from	from	IN
43297	1008	48	other	other	JJ
43297	1008	49	rock	rock	NN
43297	1008	50	dust	dust	NN
43297	1008	51	.	.	.
43297	1009	1	When	when	WRB
43297	1009	2	chemical	chemical	NN
43297	1009	3	methods	method	NNS
43297	1009	4	of	of	IN
43297	1009	5	investigation	investigation	NN
43297	1009	6	are	be	VBP
43297	1009	7	employed	employ	VBN
43297	1009	8	the	the	DT
43297	1009	9	problem	problem	NN
43297	1009	10	is	be	VBZ
43297	1009	11	not	not	RB
43297	1009	12	materially	materially	RB
43297	1009	13	altered	alter	VBN
43297	1009	14	,	,	,
43297	1009	15	nor	nor	CC
43297	1009	16	is	be	VBZ
43297	1009	17	its	-PRON-	PRP$
43297	1009	18	solution	solution	NN
43297	1009	19	fully	fully	RB
43297	1009	20	attained	attain	VBN
43297	1009	21	.	.	.
43297	1010	1	It	-PRON-	PRP
43297	1010	2	is	be	VBZ
43297	1010	3	,	,	,
43297	1010	4	of	of	IN
43297	1010	5	course	course	NN
43297	1010	6	,	,	,
43297	1010	7	obvious	obvious	JJ
43297	1010	8	that	that	IN
43297	1010	9	any	any	DT
43297	1010	10	chemical	chemical	NN
43297	1010	11	method	method	NN
43297	1010	12	should	should	MD
43297	1010	13	be	be	VB
43297	1010	14	applied	apply	VBN
43297	1010	15	to	to	IN
43297	1010	16	the	the	DT
43297	1010	17	product	product	NN
43297	1010	18	obtained	obtain	VBN
43297	1010	19	by	by	IN
43297	1010	20	treating	treat	VBG
43297	1010	21	the	the	DT
43297	1010	22	raw	raw	JJ
43297	1010	23	material	material	NN
43297	1010	24	mechanically	mechanically	RB
43297	1010	25	as	as	IN
43297	1010	26	above	above	RB
43297	1010	27	described	describe	VBN
43297	1010	28	,	,	,
43297	1010	29	for	for	IN
43297	1010	30	to	to	TO
43297	1010	31	do	do	VB
43297	1010	32	otherwise	otherwise	RB
43297	1010	33	is	be	VBZ
43297	1010	34	to	to	TO
43297	1010	35	create	create	VB
43297	1010	36	needless	needless	JJ
43297	1010	37	confusion	confusion	NN
43297	1010	38	.	.	.
43297	1011	1	Yet	yet	CC
43297	1011	2	by	by	IN
43297	1011	3	far	far	RB
43297	1011	4	the	the	DT
43297	1011	5	greater	great	JJR
43297	1011	6	number	number	NN
43297	1011	7	of	of	IN
43297	1011	8	published	publish	VBN
43297	1011	9	analyses	analysis	NNS
43297	1011	10	of	of	IN
43297	1011	11	'	'	``
43297	1011	12	clays	clay	NNS
43297	1011	13	'	'	''
43297	1011	14	report	report	VB
43297	1011	15	the	the	DT
43297	1011	16	ultimate	ultimate	JJ
43297	1011	17	composition	composition	NN
43297	1011	18	of	of	IN
43297	1011	19	the	the	DT
43297	1011	20	whole	whole	JJ
43297	1011	21	material	material	NN
43297	1011	22	,	,	,
43297	1011	23	no	no	DT
43297	1011	24	attempt	attempt	NN
43297	1011	25	being	be	VBG
43297	1011	26	made	make	VBN
43297	1011	27	to	to	TO
43297	1011	28	show	show	VB
43297	1011	29	how	how	WRB
43297	1011	30	much	much	JJ
43297	1011	31	of	of	IN
43297	1011	32	the	the	DT
43297	1011	33	various	various	JJ
43297	1011	34	constituents	constituent	NNS
43297	1011	35	is	be	VBZ
43297	1011	36	in	in	IN
43297	1011	37	the	the	DT
43297	1011	38	form	form	NN
43297	1011	39	of	of	IN
43297	1011	40	sand	sand	NN
43297	1011	41	,	,	,
43297	1011	42	stones	stone	NNS
43297	1011	43	or	or	CC
43297	1011	44	other	other	JJ
43297	1011	45	coarse	coarse	JJ
43297	1011	46	particles	particle	NNS
43297	1011	47	of	of	IN
43297	1011	48	an	an	DT
43297	1011	49	entirely	entirely	RB
43297	1011	50	non	non	JJ
43297	1011	51	-	-	JJ
43297	1011	52	argillaceous	argillaceous	JJ
43297	1011	53	character	character	NN
43297	1011	54	.	.	.
43297	1012	1	If	if	IN
43297	1012	2	the	the	DT
43297	1012	3	particles	particle	NNS
43297	1012	4	of	of	IN
43297	1012	5	a	a	DT
43297	1012	6	'	'	``
43297	1012	7	clay	clay	NN
43297	1012	8	'	'	''
43297	1012	9	which	which	WDT
43297	1012	10	are	be	VBP
43297	1012	11	sufficiently	sufficiently	RB
43297	1012	12	small	small	JJ
43297	1012	13	to	to	TO
43297	1012	14	be	be	VB
43297	1012	15	carried	carry	VBN
43297	1012	16	away	away	RP
43297	1012	17	by	by	IN
43297	1012	18	a	a	DT
43297	1012	19	stream	stream	NN
43297	1012	20	of	of	IN
43297	1012	21	water	water	NN
43297	1012	22	with	with	IN
43297	1012	23	a	a	DT
43297	1012	24	velocity	velocity	NN
43297	1012	25	of	of	IN
43297	1012	26	only	only	JJ
43297	1012	27	0·43	0·43	NNP
43297	1012	28	in	in	IN
43297	1012	29	.	.	.
43297	1013	1	per	per	IN
43297	1013	2	minute	minute	NN
43297	1013	3	are	be	VBP
43297	1013	4	analysed	analyse	VBN
43297	1013	5	,	,	,
43297	1013	6	it	-PRON-	PRP
43297	1013	7	will	will	MD
43297	1013	8	be	be	VB
43297	1013	9	found	find	VBN
43297	1013	10	that	that	IN
43297	1013	11	their	-PRON-	PRP$
43297	1013	12	composition	composition	NN
43297	1013	13	will	will	MD
43297	1013	14	vary	vary	VB
43297	1013	15	according	accord	VBG
43297	1013	16	to	to	IN
43297	1013	17	the	the	DT
43297	1013	18	origin	origin	NN
43297	1013	19	of	of	IN
43297	1013	20	the	the	DT
43297	1013	21	clay	clay	NN
43297	1013	22	and	and	CC
43297	1013	23	the	the	DT
43297	1013	24	subsequent	subsequent	JJ
43297	1013	25	treatment	treatment	NN
43297	1013	26	to	to	TO
43297	1013	27	which	which	WDT
43297	1013	28	it	-PRON-	PRP
43297	1013	29	has	have	VBZ
43297	1013	30	been	be	VBN
43297	1013	31	subjected	subject	VBN
43297	1013	32	during	during	IN
43297	1013	33	its	-PRON-	PRP$
43297	1013	34	transport	transport	NN
43297	1013	35	and	and	CC
43297	1013	36	deposition	deposition	NN
43297	1013	37	.	.	.
43297	1014	1	If	if	IN
43297	1014	2	the	the	DT
43297	1014	3	clay	clay	NN
43297	1014	4	is	be	VBZ
43297	1014	5	fairly	fairly	RB
43297	1014	6	free	free	JJ
43297	1014	7	from	from	IN
43297	1014	8	calcareous	calcareous	JJ
43297	1014	9	material	material	NN
43297	1014	10	and	and	CC
43297	1014	11	is	be	VBZ
43297	1014	12	of	of	IN
43297	1014	13	a	a	DT
43297	1014	14	white	white	JJ
43297	1014	15	-	-	HYPH
43297	1014	16	burning	burn	VBG
43297	1014	17	nature	nature	NN
43297	1014	18	it	-PRON-	PRP
43297	1014	19	may	may	MD
43297	1014	20	be	be	VB
43297	1014	21	found	find	VBN
43297	1014	22	to	to	TO
43297	1014	23	have	have	VB
43297	1014	24	a	a	DT
43297	1014	25	composition	composition	NN
43297	1014	26	like	like	IN
43297	1014	27	china	china	NNP
43297	1014	28	clays	clay	NNS
43297	1014	29	.	.	.
43297	1015	1	Red	red	JJ
43297	1015	2	-	-	HYPH
43297	1015	3	burning	burn	VBG
43297	1015	4	clays	clay	NNS
43297	1015	5	,	,	,
43297	1015	6	on	on	IN
43297	1015	7	the	the	DT
43297	1015	8	contrary	contrary	NN
43297	1015	9	,	,	,
43297	1015	10	will	will	MD
43297	1015	11	vary	vary	VB
43297	1015	12	greatly	greatly	RB
43297	1015	13	in	in	IN
43297	1015	14	composition	composition	NN
43297	1015	15	,	,	,
43297	1015	16	so	so	IN
43297	1015	17	that	that	IN
43297	1015	18	it	-PRON-	PRP
43297	1015	19	becomes	become	VBZ
43297	1015	20	difficult	difficult	JJ
43297	1015	21	to	to	TO
43297	1015	22	find	find	VB
43297	1015	23	any	any	DT
43297	1015	24	close	close	JJ
43297	1015	25	analogy	analogy	NN
43297	1015	26	between	between	IN
43297	1015	27	these	these	DT
43297	1015	28	kinds	kind	NNS
43297	1015	29	of	of	IN
43297	1015	30	clay	clay	NN
43297	1015	31	.	.	.
43297	1016	1	This	this	DT
43297	1016	2	difference	difference	NN
43297	1016	3	is	be	VBZ
43297	1016	4	partly	partly	RB
43297	1016	5	due	due	JJ
43297	1016	6	to	to	IN
43297	1016	7	the	the	DT
43297	1016	8	extremely	extremely	RB
43297	1016	9	fine	fine	JJ
43297	1016	10	state	state	NN
43297	1016	11	of	of	IN
43297	1016	12	division	division	NN
43297	1016	13	in	in	IN
43297	1016	14	which	which	WDT
43297	1016	15	ferric	ferric	JJ
43297	1016	16	oxide	oxide	NN
43297	1016	17	occurs	occur	VBZ
43297	1016	18	in	in	IN
43297	1016	19	clays	clay	NNS
43297	1016	20	,	,	,
43297	1016	21	the	the	DT
43297	1016	22	particles	particle	NNS
43297	1016	23	of	of	IN
43297	1016	24	this	this	DT
43297	1016	25	material	material	NN
43297	1016	26	corresponding	correspond	VBG
43297	1016	27	in	in	IN
43297	1016	28	minuteness	minuteness	NN
43297	1016	29	to	to	IN
43297	1016	30	those	those	DT
43297	1016	31	of	of	IN
43297	1016	32	the	the	DT
43297	1016	33	purest	pure	JJS
43297	1016	34	clays	clay	NNS
43297	1016	35	and	and	CC
43297	1016	36	so	so	RB
43297	1016	37	being	be	VBG
43297	1016	38	inseparable	inseparable	JJ
43297	1016	39	by	by	IN
43297	1016	40	any	any	DT
43297	1016	41	mechanical	mechanical	JJ
43297	1016	42	process	process	NN
43297	1016	43	.	.	.
43297	1017	1	In	in	IN
43297	1017	2	1876	1876	CD
43297	1017	3	H.	H.	NNP
43297	1017	4	Seger	Seger	NNP
43297	1017	5	(	(	-LRB-
43297	1017	6	7	7	CD
43297	1017	7	)	)	-RRB-
43297	1017	8	published	publish	VBD
43297	1017	9	what	what	WP
43297	1017	10	he	-PRON-	PRP
43297	1017	11	termed	term	VBD
43297	1017	12	a	a	DT
43297	1017	13	method	method	NN
43297	1017	14	of	of	IN
43297	1017	15	'	'	``
43297	1017	16	rational	rational	JJ
43297	1017	17	analysis	analysis	NN
43297	1017	18	,	,	,
43297	1017	19	'	'	''
43297	1017	20	which	which	WDT
43297	1017	21	consisted	consist	VBD
43297	1017	22	in	in	IN
43297	1017	23	treating	treat	VBG
43297	1017	24	the	the	DT
43297	1017	25	clay	clay	NN
43297	1017	26	with	with	IN
43297	1017	27	boiling	boil	VBG
43297	1017	28	sulphuric	sulphuric	JJ
43297	1017	29	acid	acid	NN
43297	1017	30	followed	follow	VBN
43297	1017	31	by	by	IN
43297	1017	32	a	a	DT
43297	1017	33	treatment	treatment	NN
43297	1017	34	with	with	IN
43297	1017	35	caustic	caustic	JJ
43297	1017	36	soda	soda	NN
43297	1017	37	.	.	.
43297	1018	1	He	-PRON-	PRP
43297	1018	2	found	find	VBD
43297	1018	3	that	that	IN
43297	1018	4	the	the	DT
43297	1018	5	purer	purer	NN
43297	1018	6	china	china	NNP
43297	1018	7	clays	clays	NNP
43297	1018	8	(	(	-LRB-
43297	1018	9	kaolins	kaolins	NNP
43297	1018	10	)	)	-RRB-
43297	1018	11	and	and	CC
43297	1018	12	ball	ball	NN
43297	1018	13	clays	clay	NNS
43297	1018	14	were	be	VBD
43297	1018	15	made	make	VBN
43297	1018	16	soluble	soluble	JJ
43297	1018	17	by	by	IN
43297	1018	18	this	this	DT
43297	1018	19	means	means	NN
43297	1018	20	and	and	CC
43297	1018	21	that	that	IN
43297	1018	22	felspar	felspar	VBZ
43297	1018	23	,	,	,
43297	1018	24	mica	mica	NNP
43297	1018	25	and	and	CC
43297	1018	26	quartz	quartz	NNP
43297	1018	27	were	be	VBD
43297	1018	28	to	to	IN
43297	1018	29	a	a	DT
43297	1018	30	large	large	JJ
43297	1018	31	extent	extent	NN
43297	1018	32	unaffected	unaffected	JJ
43297	1018	33	.	.	.
43297	1019	1	Later	later	JJ
43297	1019	2	investigators	investigator	NNS
43297	1019	3	have	have	VBP
43297	1019	4	found	find	VBN
43297	1019	5	that	that	IN
43297	1019	6	this	this	DT
43297	1019	7	method	method	NN
43297	1019	8	is	be	VBZ
43297	1019	9	only	only	RB
43297	1019	10	applicable	applicable	JJ
43297	1019	11	to	to	IN
43297	1019	12	a	a	DT
43297	1019	13	limited	limited	JJ
43297	1019	14	extent	extent	NN
43297	1019	15	and	and	CC
43297	1019	16	that	that	IN
43297	1019	17	its	-PRON-	PRP$
43297	1019	18	indications	indication	NNS
43297	1019	19	are	be	VBP
43297	1019	20	only	only	RB
43297	1019	21	reliable	reliable	JJ
43297	1019	22	when	when	WRB
43297	1019	23	applied	apply	VBN
43297	1019	24	to	to	IN
43297	1019	25	the	the	DT
43297	1019	26	clays	clay	NNS
43297	1019	27	just	just	RB
43297	1019	28	named	name	VBN
43297	1019	29	,	,	,
43297	1019	30	but	but	CC
43297	1019	31	the	the	DT
43297	1019	32	principle	principle	NN
43297	1019	33	introduced	introduce	VBN
43297	1019	34	by	by	IN
43297	1019	35	Seger	Seger	NNP
43297	1019	36	has	have	VBZ
43297	1019	37	proved	prove	VBN
43297	1019	38	invaluable	invaluable	JJ
43297	1019	39	in	in	IN
43297	1019	40	increasing	increase	VBG
43297	1019	41	our	-PRON-	PRP$
43297	1019	42	knowledge	knowledge	NN
43297	1019	43	of	of	IN
43297	1019	44	the	the	DT
43297	1019	45	composition	composition	NN
43297	1019	46	of	of	IN
43297	1019	47	clays	clay	NNS
43297	1019	48	.	.	.
43297	1020	1	By	by	IN
43297	1020	2	means	mean	NNS
43297	1020	3	of	of	IN
43297	1020	4	this	this	DT
43297	1020	5	so	so	RB
43297	1020	6	-	-	HYPH
43297	1020	7	called	call	VBN
43297	1020	8	rational	rational	JJ
43297	1020	9	analysis	analysis	NN
43297	1020	10	Seger	Seger	NNP
43297	1020	11	found	find	VBD
43297	1020	12	that	that	IN
43297	1020	13	the	the	DT
43297	1020	14	purer	purer	NN
43297	1020	15	clays	clay	NNS
43297	1020	16	yielded	yield	VBD
43297	1020	17	results	result	NNS
43297	1020	18	of	of	IN
43297	1020	19	remarkable	remarkable	JJ
43297	1020	20	similarity	similarity	NN
43297	1020	21	and	and	CC
43297	1020	22	uniformity	uniformity	NN
43297	1020	23	,	,	,
43297	1020	24	the	the	DT
43297	1020	25	material	material	NN
43297	1020	26	entering	enter	VBG
43297	1020	27	into	into	IN
43297	1020	28	solution	solution	NN
43297	1020	29	having	have	VBG
43297	1020	30	a	a	DT
43297	1020	31	composition	composition	NN
43297	1020	32	agreeing	agree	VBG
43297	1020	33	very	very	RB
43297	1020	34	closely	closely	RB
43297	1020	35	with	with	IN
43297	1020	36	the	the	DT
43297	1020	37	formula	formula	NN
43297	1020	38	Al2O3·2SiO2·2H2O	al2o3·2sio2·2h2o	NN
43297	1020	39	which	which	WDT
43297	1020	40	is	be	VBZ
43297	1020	41	generally	generally	RB
43297	1020	42	recognized	recognize	VBN
43297	1020	43	as	as	IN
43297	1020	44	that	that	DT
43297	1020	45	of	of	IN
43297	1020	46	the	the	DT
43297	1020	47	chief	chief	JJ
43297	1020	48	constituent	constituent	NN
43297	1020	49	or	or	CC
43297	1020	50	constituents	constituent	NNS
43297	1020	51	of	of	IN
43297	1020	52	china	china	NNP
43297	1020	53	clay	clay	NNP
43297	1020	54	(	(	-LRB-
43297	1020	55	kaolin	kaolin	NNP
43297	1020	56	)	)	-RRB-
43297	1020	57	and	and	CC
43297	1020	58	the	the	DT
43297	1020	59	purer	purer	NN
43297	1020	60	ball	ball	NN
43297	1020	61	clays	clay	NNS
43297	1020	62	.	.	.
43297	1021	1	This	this	DT
43297	1021	2	crude	crude	JJ
43297	1021	3	substance	substance	NN
43297	1021	4	,	,	,
43297	1021	5	obtainable	obtainable	JJ
43297	1021	6	from	from	IN
43297	1021	7	a	a	DT
43297	1021	8	large	large	JJ
43297	1021	9	number	number	NN
43297	1021	10	of	of	IN
43297	1021	11	clays	clay	NNS
43297	1021	12	by	by	IN
43297	1021	13	the	the	DT
43297	1021	14	treatment	treatment	NN
43297	1021	15	just	just	RB
43297	1021	16	described	describe	VBN
43297	1021	17	,	,	,
43297	1021	18	was	be	VBD
43297	1021	19	named	name	VBN
43297	1021	20	_	_	NNP
43297	1021	21	clay	clay	NN
43297	1021	22	substance	substance	NN
43297	1021	23	_	_	NNP
43297	1021	24	by	by	IN
43297	1021	25	Seger	Seger	NNP
43297	1021	26	,	,	,
43297	1021	27	who	who	WP
43297	1021	28	regarded	regard	VBD
43297	1021	29	it	-PRON-	PRP
43297	1021	30	as	as	IN
43297	1021	31	the	the	DT
43297	1021	32	essential	essential	JJ
43297	1021	33	constituent	constituent	NN
43297	1021	34	of	of	IN
43297	1021	35	all	all	DT
43297	1021	36	clays	clay	NNS
43297	1021	37	.	.	.
43297	1022	1	Red	red	JJ
43297	1022	2	-	-	HYPH
43297	1022	3	burning	burn	VBG
43297	1022	4	clays	clay	NNS
43297	1022	5	when	when	WRB
43297	1022	6	similarly	similarly	RB
43297	1022	7	treated	treat	VBN
43297	1022	8	do	do	VBP
43297	1022	9	not	not	RB
43297	1022	10	yield	yield	VB
43297	1022	11	so	so	RB
43297	1022	12	uniform	uniform	JJ
43297	1022	13	a	a	DT
43297	1022	14	product	product	NN
43297	1022	15	,	,	,
43297	1022	16	and	and	CC
43297	1022	17	the	the	DT
43297	1022	18	ferric	ferric	JJ
43297	1022	19	oxide	oxide	NN
43297	1022	20	entering	enter	VBG
43297	1022	21	into	into	IN
43297	1022	22	solution	solution	NN
43297	1022	23	makes	make	VBZ
43297	1022	24	the	the	DT
43297	1022	25	results	result	NNS
43297	1022	26	very	very	RB
43297	1022	27	discordant	discordant	JJ
43297	1022	28	.	.	.
43297	1023	1	Moreover	moreover	RB
43297	1023	2	,	,	,
43297	1023	3	even	even	RB
43297	1023	4	with	with	IN
43297	1023	5	the	the	DT
43297	1023	6	china	china	NNP
43297	1023	7	clays	clay	NNS
43297	1023	8	or	or	CC
43297	1023	9	kaolins	kaolin	VBZ
43297	1023	10	a	a	DT
43297	1023	11	small	small	JJ
43297	1023	12	proportion	proportion	NN
43297	1023	13	of	of	IN
43297	1023	14	alkalies	alkali	NNS
43297	1023	15	,	,	,
43297	1023	16	lime	lime	NN
43297	1023	17	and	and	CC
43297	1023	18	other	other	JJ
43297	1023	19	oxides	oxide	NNS
43297	1023	20	enter	enter	VBP
43297	1023	21	into	into	IN
43297	1023	22	solution	solution	NN
43297	1023	23	and	and	CC
43297	1023	24	a	a	DT
43297	1023	25	number	number	NN
43297	1023	26	of	of	IN
43297	1023	27	minerals	mineral	NNS
43297	1023	28	analogous	analogous	JJ
43297	1023	29	to	to	TO
43297	1023	30	clay	clay	VB
43297	1023	31	,	,	,
43297	1023	32	but	but	CC
43297	1023	33	quite	quite	RB
43297	1023	34	distinct	distinct	JJ
43297	1023	35	from	from	IN
43297	1023	36	it	-PRON-	PRP
43297	1023	37	,	,	,
43297	1023	38	are	be	VBP
43297	1023	39	also	also	RB
43297	1023	40	decomposed	decompose	VBN
43297	1023	41	and	and	CC
43297	1023	42	dissolved	dissolve	VBN
43297	1023	43	.	.	.
43297	1024	1	For	for	IN
43297	1024	2	these	these	DT
43297	1024	3	reasons	reason	NNS
43297	1024	4	the	the	DT
43297	1024	5	'	'	``
43297	1024	6	rational	rational	JJ
43297	1024	7	analysis	analysis	NN
43297	1024	8	'	'	''
43297	1024	9	has	have	VBZ
43297	1024	10	been	be	VBN
43297	1024	11	found	find	VBN
43297	1024	12	insufficient	insufficient	JJ
43297	1024	13	;	;	:
43297	1024	14	it	-PRON-	PRP
43297	1024	15	is	be	VBZ
43297	1024	16	now	now	RB
43297	1024	17	considered	consider	VBN
43297	1024	18	necessary	necessary	JJ
43297	1024	19	to	to	TO
43297	1024	20	make	make	VB
43297	1024	21	an	an	DT
43297	1024	22	analysis	analysis	NN
43297	1024	23	of	of	IN
43297	1024	24	the	the	DT
43297	1024	25	portion	portion	NN
43297	1024	26	rendered	render	VBN
43297	1024	27	soluble	soluble	JJ
43297	1024	28	by	by	IN
43297	1024	29	treatment	treatment	NN
43297	1024	30	with	with	IN
43297	1024	31	sulphuric	sulphuric	JJ
43297	1024	32	acid	acid	NN
43297	1024	33	in	in	IN
43297	1024	34	order	order	NN
43297	1024	35	to	to	TO
43297	1024	36	ascertain	ascertain	VB
43297	1024	37	what	what	WDT
43297	1024	38	other	other	JJ
43297	1024	39	ingredients	ingredient	NNS
43297	1024	40	it	-PRON-	PRP
43297	1024	41	may	may	MD
43297	1024	42	contain	contain	VB
43297	1024	43	in	in	IN
43297	1024	44	addition	addition	NN
43297	1024	45	to	to	IN
43297	1024	46	the	the	DT
43297	1024	47	true	true	JJ
43297	1024	48	clay	clay	NN
43297	1024	49	present	present	NN
43297	1024	50	.	.	.
43297	1025	1	As	as	IN
43297	1025	2	the	the	DT
43297	1025	3	china	china	NNP
43297	1025	4	clays	clay	NNS
43297	1025	5	(	(	-LRB-
43297	1025	6	kaolins	kaolins	NNP
43297	1025	7	)	)	-RRB-
43297	1025	8	and	and	CC
43297	1025	9	ball	ball	NN
43297	1025	10	clays	clay	NNS
43297	1025	11	on	on	IN
43297	1025	12	very	very	RB
43297	1025	13	careful	careful	JJ
43297	1025	14	elutriation	elutriation	NN
43297	1025	15	all	all	DT
43297	1025	16	yield	yield	VBP
43297	1025	17	a	a	DT
43297	1025	18	product	product	NN
43297	1025	19	of	of	IN
43297	1025	20	the	the	DT
43297	1025	21	same	same	JJ
43297	1025	22	ultimate	ultimate	JJ
43297	1025	23	composition	composition	NN
43297	1025	24	,	,	,
43297	1025	25	viz	viz	NN
43297	1025	26	.	.	.
43297	1026	1	39	39	CD
43297	1026	2	per	per	NN
43297	1026	3	cent	cent	NN
43297	1026	4	.	.	.
43297	1027	1	of	of	IN
43297	1027	2	alumina	alumina	NNP
43297	1027	3	,	,	,
43297	1027	4	46	46	CD
43297	1027	5	per	per	NN
43297	1027	6	cent	cent	NN
43297	1027	7	.	.	.
43297	1028	1	of	of	IN
43297	1028	2	silica	silica	NNP
43297	1028	3	,	,	,
43297	1028	4	13	13	CD
43297	1028	5	per	per	NN
43297	1028	6	cent	cent	NN
43297	1028	7	.	.	.
43297	1029	1	of	of	IN
43297	1029	2	water	water	NN
43297	1029	3	,	,	,
43297	1029	4	and	and	CC
43297	1029	5	2	2	CD
43297	1029	6	per	per	NN
43297	1029	7	cent	cent	NN
43297	1029	8	.	.	.
43297	1030	1	of	of	IN
43297	1030	2	other	other	JJ
43297	1030	3	oxides	oxide	NNS
43297	1030	4	,	,	,
43297	1030	5	they	-PRON-	PRP
43297	1030	6	are	be	VBP
43297	1030	7	generally	generally	RB
43297	1030	8	regarded	regard	VBN
43297	1030	9	as	as	IN
43297	1030	10	consisting	consist	VBG
43297	1030	11	of	of	IN
43297	1030	12	practically	practically	RB
43297	1030	13	pure	pure	JJ
43297	1030	14	clay	clay	NN
43297	1030	15	with	with	IN
43297	1030	16	a	a	DT
43297	1030	17	variable	variable	JJ
43297	1030	18	amount	amount	NN
43297	1030	19	of	of	IN
43297	1030	20	impurities	impurity	NNS
43297	1030	21	.	.	.
43297	1031	1	Many	many	JJ
43297	1031	2	years	year	NNS
43297	1031	3	ago	ago	RB
43297	1031	4	Fresenius	Fresenius	NNP
43297	1031	5	suggested	suggest	VBD
43297	1031	6	that	that	IN
43297	1031	7	these	these	DT
43297	1031	8	non	non	JJ
43297	1031	9	-	-	JJ
43297	1031	10	clayey	clayey	JJ
43297	1031	11	constituents	constituent	NNS
43297	1031	12	of	of	IN
43297	1031	13	clays	clay	NNS
43297	1031	14	should	should	MD
43297	1031	15	be	be	VB
43297	1031	16	calculated	calculate	VBN
43297	1031	17	into	into	IN
43297	1031	18	the	the	DT
43297	1031	19	minerals	mineral	NNS
43297	1031	20	to	to	TO
43297	1031	21	which	which	WDT
43297	1031	22	they	-PRON-	PRP
43297	1031	23	appeared	appear	VBD
43297	1031	24	likely	likely	JJ
43297	1031	25	to	to	TO
43297	1031	26	correspond	correspond	VB
43297	1031	27	so	so	IN
43297	1031	28	as	as	IN
43297	1031	29	to	to	TO
43297	1031	30	obtain	obtain	VB
43297	1031	31	a	a	DT
43297	1031	32	result	result	NN
43297	1031	33	similar	similar	JJ
43297	1031	34	to	to	IN
43297	1031	35	that	that	DT
43297	1031	36	obtained	obtain	VBN
43297	1031	37	by	by	IN
43297	1031	38	Seger	Seger	NNP
43297	1031	39	without	without	IN
43297	1031	40	the	the	DT
43297	1031	41	disadvantages	disadvantage	NNS
43297	1031	42	of	of	IN
43297	1031	43	the	the	DT
43297	1031	44	treatment	treatment	NN
43297	1031	45	with	with	IN
43297	1031	46	sulphuric	sulphuric	JJ
43297	1031	47	acid	acid	NN
43297	1031	48	and	and	CC
43297	1031	49	as	as	IN
43297	1031	50	supplementary	supplementary	JJ
43297	1031	51	to	to	IN
43297	1031	52	such	such	JJ
43297	1031	53	treatment	treatment	NN
43297	1031	54	in	in	IN
43297	1031	55	the	the	DT
43297	1031	56	case	case	NN
43297	1031	57	of	of	IN
43297	1031	58	red	red	JJ
43297	1031	59	-	-	HYPH
43297	1031	60	burning	burning	NN
43297	1031	61	and	and	CC
43297	1031	62	some	some	DT
43297	1031	63	other	other	JJ
43297	1031	64	clays	clay	NNS
43297	1031	65	.	.	.
43297	1032	1	More	more	RBR
43297	1032	2	recent	recent	JJ
43297	1032	3	investigators	investigator	NNS
43297	1032	4	have	have	VBP
43297	1032	5	found	find	VBN
43297	1032	6	that	that	IN
43297	1032	7	if	if	IN
43297	1032	8	a	a	DT
43297	1032	9	careful	careful	JJ
43297	1032	10	microscopic	microscopic	JJ
43297	1032	11	examination	examination	NN
43297	1032	12	of	of	IN
43297	1032	13	the	the	DT
43297	1032	14	clay	clay	NN
43297	1032	15	is	be	VBZ
43297	1032	16	made	make	VBN
43297	1032	17	the	the	DT
43297	1032	18	results	result	NNS
43297	1032	19	of	of	IN
43297	1032	20	estimating	estimate	VBG
43297	1032	21	the	the	DT
43297	1032	22	composition	composition	NN
43297	1032	23	from	from	IN
43297	1032	24	the	the	DT
43297	1032	25	proportion	proportion	NN
43297	1032	26	of	of	IN
43297	1032	27	the	the	DT
43297	1032	28	different	different	JJ
43297	1032	29	minerals	mineral	NNS
43297	1032	30	recognizable	recognizable	JJ
43297	1032	31	under	under	IN
43297	1032	32	the	the	DT
43297	1032	33	microscope	microscope	NN
43297	1032	34	and	and	CC
43297	1032	35	by	by	IN
43297	1032	36	calculation	calculation	NN
43297	1032	37	from	from	IN
43297	1032	38	the	the	DT
43297	1032	39	analysis	analysis	NN
43297	1032	40	of	of	IN
43297	1032	41	the	the	DT
43297	1032	42	material	material	NN
43297	1032	43	agree	agree	VBP
43297	1032	44	very	very	RB
43297	1032	45	closely	closely	RB
43297	1032	46	and	and	CC
43297	1032	47	are	be	VBP
43297	1032	48	,	,	,
43297	1032	49	as	as	IN
43297	1032	50	Bischof	Bischof	NNP
43297	1032	51	(	(	-LRB-
43297	1032	52	28	28	CD
43297	1032	53	)	)	-RRB-
43297	1032	54	and	and	CC
43297	1032	55	,	,	,
43297	1032	56	more	more	RBR
43297	1032	57	recently	recently	RB
43297	1032	58	,	,	,
43297	1032	59	Mellor	Mellor	NNP
43297	1032	60	have	have	VBP
43297	1032	61	pointed	point	VBN
43297	1032	62	out	out	RP
43297	1032	63	,	,	,
43297	1032	64	more	more	RBR
43297	1032	65	reliable	reliable	JJ
43297	1032	66	than	than	IN
43297	1032	67	the	the	DT
43297	1032	68	'	'	``
43297	1032	69	rational	rational	JJ
43297	1032	70	analysis	analysis	NN
43297	1032	71	'	'	''
43297	1032	72	in	in	IN
43297	1032	73	the	the	DT
43297	1032	74	case	case	NN
43297	1032	75	of	of	IN
43297	1032	76	impure	impure	NN
43297	1032	77	clays	clay	NNS
43297	1032	78	.	.	.
43297	1033	1	If	if	IN
43297	1033	2	care	care	NN
43297	1033	3	is	be	VBZ
43297	1033	4	taken	take	VBN
43297	1033	5	to	to	TO
43297	1033	6	make	make	VB
43297	1033	7	a	a	DT
43297	1033	8	microscopical	microscopical	JJ
43297	1033	9	examination	examination	NN
43297	1033	10	identifying	identify	VBG
43297	1033	11	the	the	DT
43297	1033	12	chief	chief	JJ
43297	1033	13	impurities	impurity	NNS
43297	1033	14	present	present	VBP
43297	1033	15	the	the	DT
43297	1033	16	calculation	calculation	NN
43297	1033	17	from	from	IN
43297	1033	18	the	the	DT
43297	1033	19	analysis	analysis	NN
43297	1033	20	may	may	MD
43297	1033	21	usually	usually	RB
43297	1033	22	be	be	VB
43297	1033	23	accepted	accept	VBN
43297	1033	24	as	as	IN
43297	1033	25	sufficiently	sufficiently	RB
43297	1033	26	accurate	accurate	JJ
43297	1033	27	,	,	,
43297	1033	28	but	but	CC
43297	1033	29	it	-PRON-	PRP
43297	1033	30	is	be	VBZ
43297	1033	31	very	very	RB
43297	1033	32	unsatisfactory	unsatisfactory	JJ
43297	1033	33	to	to	TO
43297	1033	34	assume	assume	VB
43297	1033	35	,	,	,
43297	1033	36	as	as	IN
43297	1033	37	some	some	DT
43297	1033	38	chemists	chemist	NNS
43297	1033	39	do	do	VBP
43297	1033	40	,	,	,
43297	1033	41	that	that	IN
43297	1033	42	the	the	DT
43297	1033	43	alkalies	alkali	NNS
43297	1033	44	and	and	CC
43297	1033	45	lime	lime	NN
43297	1033	46	in	in	IN
43297	1033	47	the	the	DT
43297	1033	48	clay	clay	NN
43297	1033	49	are	be	VBP
43297	1033	50	all	all	DT
43297	1033	51	in	in	IN
43297	1033	52	the	the	DT
43297	1033	53	form	form	NN
43297	1033	54	of	of	IN
43297	1033	55	felspar	felspar	NNS
43297	1033	56	and	and	CC
43297	1033	57	that	that	IN
43297	1033	58	the	the	DT
43297	1033	59	silica	silica	NN
43297	1033	60	remaining	remain	VBG
43297	1033	61	in	in	IN
43297	1033	62	excess	excess	NN
43297	1033	63	of	of	IN
43297	1033	64	that	that	DT
43297	1033	65	required	require	VBD
43297	1033	66	to	to	TO
43297	1033	67	combine	combine	VB
43297	1033	68	with	with	IN
43297	1033	69	the	the	DT
43297	1033	70	alkalies	alkali	NNS
43297	1033	71	,	,	,
43297	1033	72	lime	lime	NNP
43297	1033	73	and	and	CC
43297	1033	74	alumina	alumina	NNP
43297	1033	75	is	be	VBZ
43297	1033	76	free	free	JJ
43297	1033	77	quartz	quartz	NN
43297	1033	78	.	.	.
43297	1034	1	Some	some	DT
43297	1034	2	clays	clay	NNS
43297	1034	3	are	be	VBP
43297	1034	4	almost	almost	RB
43297	1034	5	destitute	destitute	JJ
43297	1034	6	of	of	IN
43297	1034	7	felspar	felspar	NNS
43297	1034	8	but	but	CC
43297	1034	9	comparatively	comparatively	RB
43297	1034	10	rich	rich	JJ
43297	1034	11	in	in	IN
43297	1034	12	mica	mica	NNP
43297	1034	13	,	,	,
43297	1034	14	whilst	whilst	IN
43297	1034	15	others	other	NNS
43297	1034	16	are	be	VBP
43297	1034	17	the	the	DT
43297	1034	18	reverse	reverse	NN
43297	1034	19	,	,	,
43297	1034	20	so	so	IN
43297	1034	21	that	that	IN
43297	1034	22	some	some	DT
43297	1034	23	means	mean	NNS
43297	1034	24	of	of	IN
43297	1034	25	identifying	identify	VBG
43297	1034	26	the	the	DT
43297	1034	27	extraneous	extraneous	JJ
43297	1034	28	minerals	mineral	NNS
43297	1034	29	is	be	VBZ
43297	1034	30	essential	essential	JJ
43297	1034	31	.	.	.
43297	1035	1	When	when	WRB
43297	1035	2	this	this	DT
43297	1035	3	is	be	VBZ
43297	1035	4	not	not	RB
43297	1035	5	used	use	VBN
43297	1035	6	,	,	,
43297	1035	7	the	the	DT
43297	1035	8	curious	curious	JJ
43297	1035	9	result	result	NN
43297	1035	10	is	be	VBZ
43297	1035	11	obtained	obtain	VBN
43297	1035	12	that	that	IN
43297	1035	13	German	german	JJ
43297	1035	14	chemists	chemist	NNS
43297	1035	15	calculate	calculate	VBP
43297	1035	16	the	the	DT
43297	1035	17	alkalies	alkali	NNS
43297	1035	18	,	,	,
43297	1035	19	etc	etc	FW
43297	1035	20	.	.	.
43297	1036	1	to	to	IN
43297	1036	2	felspar	felspar	NNS
43297	1036	3	whilst	whilst	IN
43297	1036	4	the	the	DT
43297	1036	5	French	french	JJ
43297	1036	6	chemists	chemist	NNS
43297	1036	7	,	,	,
43297	1036	8	following	follow	VBG
43297	1036	9	Vogt	Vogt	NNP
43297	1036	10	,	,	,
43297	1036	11	calculate	calculate	VB
43297	1036	12	them	-PRON-	PRP
43297	1036	13	to	to	IN
43297	1036	14	mica	mica	NNP
43297	1036	15	;	;	:
43297	1036	16	English	english	JJ
43297	1036	17	ceramic	ceramic	JJ
43297	1036	18	chemists	chemist	NNS
43297	1036	19	appear	appear	VBP
43297	1036	20	undecided	undecided	JJ
43297	1036	21	as	as	IN
43297	1036	22	to	to	TO
43297	1036	23	which	which	WDT
43297	1036	24	course	course	NN
43297	1036	25	to	to	TO
43297	1036	26	follow	follow	VB
43297	1036	27	,	,	,
43297	1036	28	and	and	CC
43297	1036	29	some	some	DT
43297	1036	30	of	of	IN
43297	1036	31	them	-PRON-	PRP
43297	1036	32	occasionally	occasionally	RB
43297	1036	33	report	report	VBP
43297	1036	34	notable	notable	JJ
43297	1036	35	amounts	amount	NNS
43297	1036	36	of	of	IN
43297	1036	37	felspar	felspar	NN
43297	1036	38	in	in	IN
43297	1036	39	clays	clay	NNS
43297	1036	40	quite	quite	RB
43297	1036	41	destitute	destitute	NN
43297	1036	42	of	of	IN
43297	1036	43	this	this	DT
43297	1036	44	mineral	mineral	NN
43297	1036	45	!	!	.
43297	1037	1	A	a	DT
43297	1037	2	statement	statement	NN
43297	1037	3	of	of	IN
43297	1037	4	the	the	DT
43297	1037	5	composition	composition	NN
43297	1037	6	of	of	IN
43297	1037	7	a	a	DT
43297	1037	8	'	'	``
43297	1037	9	clay	clay	NN
43297	1037	10	'	'	''
43297	1037	11	based	base	VBN
43297	1037	12	on	on	IN
43297	1037	13	a	a	DT
43297	1037	14	mechanical	mechanical	JJ
43297	1037	15	separation	separation	NN
43297	1037	16	of	of	IN
43297	1037	17	the	the	DT
43297	1037	18	coarser	coarser	NN
43297	1037	19	ingredients	ingredient	NNS
43297	1037	20	followed	follow	VBN
43297	1037	21	by	by	IN
43297	1037	22	an	an	DT
43297	1037	23	analysis	analysis	NN
43297	1037	24	of	of	IN
43297	1037	25	the	the	DT
43297	1037	26	finer	fine	JJR
43297	1037	27	ones	one	NNS
43297	1037	28	and	and	CC
43297	1037	29	a	a	DT
43297	1037	30	calculation	calculation	NN
43297	1037	31	of	of	IN
43297	1037	32	the	the	DT
43297	1037	33	probable	probable	JJ
43297	1037	34	constituents	constituent	NNS
43297	1037	35	of	of	IN
43297	1037	36	the	the	DT
43297	1037	37	latter	latter	JJ
43297	1037	38	,	,	,
43297	1037	39	as	as	IN
43297	1037	40	already	already	RB
43297	1037	41	described	describe	VBN
43297	1037	42	,	,	,
43297	1037	43	is	be	VBZ
43297	1037	44	known	know	VBN
43297	1037	45	as	as	IN
43297	1037	46	a	a	DT
43297	1037	47	_	_	NNP
43297	1037	48	proximate	proximate	NN
43297	1037	49	analysis	analysis	NN
43297	1037	50	_	_	NNP
43297	1037	51	in	in	IN
43297	1037	52	order	order	NN
43297	1037	53	to	to	TO
43297	1037	54	distinguish	distinguish	VB
43297	1037	55	it	-PRON-	PRP
43297	1037	56	from	from	IN
43297	1037	57	an	an	DT
43297	1037	58	_	_	NNP
43297	1037	59	ultimate	ultimate	JJ
43297	1037	60	analysis	analysis	NN
43297	1037	61	_	_	NNP
43297	1037	62	which	which	WDT
43297	1037	63	states	state	VBZ
43297	1037	64	the	the	DT
43297	1037	65	composition	composition	NN
43297	1037	66	of	of	IN
43297	1037	67	the	the	DT
43297	1037	68	whole	whole	JJ
43297	1037	69	material	material	NN
43297	1037	70	in	in	IN
43297	1037	71	terms	term	NNS
43297	1037	72	of	of	IN
43297	1037	73	its	-PRON-	PRP$
43297	1037	74	ultimate	ultimate	JJ
43297	1037	75	oxides	oxide	NNS
43297	1037	76	.	.	.
43297	1038	1	A	a	DT
43297	1038	2	proximate	proximate	NN
43297	1038	3	analysis	analysis	NN
43297	1038	4	therefore	therefore	RB
43297	1038	5	shows	show	VBZ
43297	1038	6	the	the	DT
43297	1038	7	various	various	JJ
43297	1038	8	materials	material	NNS
43297	1038	9	entering	enter	VBG
43297	1038	10	into	into	IN
43297	1038	11	the	the	DT
43297	1038	12	composition	composition	NN
43297	1038	13	of	of	IN
43297	1038	14	the	the	DT
43297	1038	15	clay	clay	NN
43297	1038	16	in	in	IN
43297	1038	17	the	the	DT
43297	1038	18	following	following	JJ
43297	1038	19	or	or	CC
43297	1038	20	similar	similar	JJ
43297	1038	21	terms	term	NNS
43297	1038	22	:	:	:
43297	1038	23	Stones	stone	NNS
43297	1038	24	per	per	IN
43297	1038	25	cent	cent	NN
43297	1038	26	.	.	.
43297	1039	1	Gravel	gravel	NN
43297	1039	2	"	"	``
43297	1039	3	Coarse	coarse	JJ
43297	1039	4	sand	sand	NN
43297	1039	5	"	"	``
43297	1039	6	Medium	medium	JJ
43297	1039	7	sand	sand	NN
43297	1039	8	"	"	``
43297	1039	9	Fine	fine	JJ
43297	1039	10	sand	sand	NN
43297	1039	11	"	"	``
43297	1039	12	Silt	Silt	NNP
43297	1039	13	"	"	''
43297	1039	14	Felspar	Felspar	NNP
43297	1039	15	or	or	CC
43297	1039	16	mica	mica	JJ
43297	1039	17	dust	dust	NN
43297	1039	18	"	"	``
43297	1039	19	Silica	Silica	NNP
43297	1039	20	dust	dust	NN
43297	1039	21	"	"	''
43297	1039	22	'	'	``
43297	1039	23	True	true	JJ
43297	1039	24	clay[12	clay[12	NN
43297	1039	25	]	]	-RRB-
43297	1039	26	'	'	POS
43297	1039	27	"	"	``
43297	1039	28	Moisture	Moisture	NNP
43297	1039	29	"	"	''
43297	1039	30	Carbon	carbon	NN
43297	1039	31	"	"	''
43297	1039	32	Other	other	JJ
43297	1039	33	volatile	volatile	JJ
43297	1039	34	matter	matter	NN
43297	1039	35	"	"	''
43297	1039	36	[	[	-LRB-
43297	1039	37	Footnote	Footnote	NNP
43297	1039	38	12	12	CD
43297	1039	39	:	:	:
43297	1039	40	In	in	IN
43297	1039	41	analytical	analytical	JJ
43297	1039	42	reports	report	NNS
43297	1039	43	a	a	DT
43297	1039	44	note	note	NN
43297	1039	45	should	should	MD
43297	1039	46	be	be	VB
43297	1039	47	appended	append	VBN
43297	1039	48	stating	state	VBG
43297	1039	49	that	that	IN
43297	1039	50	the	the	DT
43297	1039	51	figure	figure	NN
43297	1039	52	under	under	IN
43297	1039	53	this	this	DT
43297	1039	54	term	term	NN
43297	1039	55	shows	show	VBZ
43297	1039	56	the	the	DT
43297	1039	57	proportion	proportion	NN
43297	1039	58	of	of	IN
43297	1039	59	the	the	DT
43297	1039	60	nearest	near	JJS
43297	1039	61	approximation	approximation	NN
43297	1039	62	to	to	IN
43297	1039	63	true	true	JJ
43297	1039	64	clay	clay	NN
43297	1039	65	at	at	IN
43297	1039	66	present	present	JJ
43297	1039	67	attainable	attainable	NN
43297	1039	68	.	.	.
43297	1039	69	]	]	-RRB-
43297	1040	1	For	for	IN
43297	1040	2	some	some	DT
43297	1040	3	purposes	purpose	NNS
43297	1040	4	it	-PRON-	PRP
43297	1040	5	is	be	VBZ
43297	1040	6	necessary	necessary	JJ
43297	1040	7	to	to	TO
43297	1040	8	show	show	VB
43297	1040	9	the	the	DT
43297	1040	10	proportion	proportion	NN
43297	1040	11	of	of	IN
43297	1040	12	calcium	calcium	NN
43297	1040	13	,	,	,
43297	1040	14	iron	iron	NN
43297	1040	15	and	and	CC
43297	1040	16	other	other	JJ
43297	1040	17	compounds	compound	NNS
43297	1040	18	as	as	IN
43297	1040	19	in	in	IN
43297	1040	20	an	an	DT
43297	1040	21	ordinary	ordinary	JJ
43297	1040	22	ultimate	ultimate	JJ
43297	1040	23	analysis	analysis	NN
43297	1040	24	.	.	.
43297	1041	1	A	a	DT
43297	1041	2	comparison	comparison	NN
43297	1041	3	of	of	IN
43297	1041	4	the	the	DT
43297	1041	5	foregoing	foregoing	NN
43297	1041	6	with	with	IN
43297	1041	7	an	an	DT
43297	1041	8	ultimate	ultimate	JJ
43297	1041	9	or	or	CC
43297	1041	10	'	'	``
43297	1041	11	ordinary	ordinary	JJ
43297	1041	12	'	'	''
43297	1041	13	analysis	analysis	NN
43297	1041	14	of	of	IN
43297	1041	15	a	a	DT
43297	1041	16	clay	clay	NN
43297	1041	17	(	(	-LRB-
43297	1041	18	p.	p.	NN
43297	1041	19	16	16	CD
43297	1041	20	)	)	-RRB-
43297	1041	21	will	will	MD
43297	1041	22	show	show	VB
43297	1041	23	at	at	IN
43297	1041	24	once	once	RB
43297	1041	25	the	the	DT
43297	1041	26	advantage	advantage	NN
43297	1041	27	of	of	IN
43297	1041	28	the	the	DT
43297	1041	29	former	former	JJ
43297	1041	30	in	in	IN
43297	1041	31	increasing	increase	VBG
43297	1041	32	our	-PRON-	PRP$
43297	1041	33	knowledge	knowledge	NN
43297	1041	34	of	of	IN
43297	1041	35	the	the	DT
43297	1041	36	essential	essential	JJ
43297	1041	37	constituent	constituent	NN
43297	1041	38	of	of	IN
43297	1041	39	all	all	DT
43297	1041	40	clays	clay	NNS
43297	1041	41	,	,	,
43297	1041	42	if	if	IN
43297	1041	43	such	such	PDT
43297	1041	44	a	a	DT
43297	1041	45	substance	substance	NN
43297	1041	46	really	really	RB
43297	1041	47	exists	exist	VBZ
43297	1041	48	.	.	.
43297	1042	1	Its	-PRON-	PRP$
43297	1042	2	absolute	absolute	JJ
43297	1042	3	existence	existence	NN
43297	1042	4	is	be	VBZ
43297	1042	5	by	by	IN
43297	1042	6	no	no	DT
43297	1042	7	means	means	NN
43297	1042	8	proved	prove	VBN
43297	1042	9	,	,	,
43297	1042	10	for	for	IN
43297	1042	11	,	,	,
43297	1042	12	as	as	IN
43297	1042	13	will	will	MD
43297	1042	14	have	have	VB
43297	1042	15	been	be	VBN
43297	1042	16	noticed	notice	VBN
43297	1042	17	,	,	,
43297	1042	18	its	-PRON-	PRP$
43297	1042	19	composition	composition	NN
43297	1042	20	is	be	VBZ
43297	1042	21	largely	largely	RB
43297	1042	22	based	base	VBN
43297	1042	23	on	on	IN
43297	1042	24	assumption	assumption	NN
43297	1042	25	even	even	RB
43297	1042	26	in	in	IN
43297	1042	27	the	the	DT
43297	1042	28	most	most	RBS
43297	1042	29	thorough	thorough	JJ
43297	1042	30	investigations	investigation	NNS
43297	1042	31	,	,	,
43297	1042	32	particularly	particularly	RB
43297	1042	33	of	of	IN
43297	1042	34	the	the	DT
43297	1042	35	admittedly	admittedly	RB
43297	1042	36	less	less	RBR
43297	1042	37	pure	pure	JJ
43297	1042	38	clays	clay	NNS
43297	1042	39	.	.	.
43297	1043	1	In	in	IN
43297	1043	2	the	the	DT
43297	1043	3	purer	purer	NN
43297	1043	4	clays	clay	VBZ
43297	1043	5	the	the	DT
43297	1043	6	problem	problem	NN
43297	1043	7	is	be	VBZ
43297	1043	8	much	much	RB
43297	1043	9	simpler	simple	JJR
43297	1043	10	and	and	CC
43297	1043	11	in	in	IN
43297	1043	12	their	-PRON-	PRP$
43297	1043	13	case	case	NN
43297	1043	14	an	an	DT
43297	1043	15	answer	answer	NN
43297	1043	16	of	of	IN
43297	1043	17	at	at	IN
43297	1043	18	least	least	JJS
43297	1043	19	approximate	approximate	JJ
43297	1043	20	accuracy	accuracy	NN
43297	1043	21	can	can	MD
43297	1043	22	be	be	VB
43297	1043	23	given	give	VBN
43297	1043	24	to	to	IN
43297	1043	25	the	the	DT
43297	1043	26	question	question	NN
43297	1043	27	'	'	''
43297	1043	28	What	what	WP
43297	1043	29	is	be	VBZ
43297	1043	30	clay	clay	NN
43297	1043	31	?	?	.
43297	1043	32	'	'	''
43297	1044	1	Even	even	RB
43297	1044	2	with	with	IN
43297	1044	3	these	these	DT
43297	1044	4	purer	purer	NN
43297	1044	5	clays	clay	NNS
43297	1044	6	it	-PRON-	PRP
43297	1044	7	is	be	VBZ
43297	1044	8	not	not	RB
43297	1044	9	sufficient	sufficient	JJ
43297	1044	10	to	to	TO
43297	1044	11	study	study	VB
43297	1044	12	an	an	DT
43297	1044	13	analysis	analysis	NN
43297	1044	14	showing	show	VBG
43297	1044	15	the	the	DT
43297	1044	16	total	total	JJ
43297	1044	17	amount	amount	NN
43297	1044	18	of	of	IN
43297	1044	19	the	the	DT
43297	1044	20	silica	silica	NN
43297	1044	21	,	,	,
43297	1044	22	alumina	alumina	NNP
43297	1044	23	and	and	CC
43297	1044	24	other	other	JJ
43297	1044	25	oxides	oxide	NNS
43297	1044	26	present	present	JJ
43297	1044	27	;	;	:
43297	1044	28	it	-PRON-	PRP
43297	1044	29	is	be	VBZ
43297	1044	30	still	still	RB
43297	1044	31	necessary	necessary	JJ
43297	1044	32	to	to	TO
43297	1044	33	effect	effect	VB
43297	1044	34	some	some	DT
43297	1044	35	kind	kind	NN
43297	1044	36	of	of	IN
43297	1044	37	separation	separation	NN
43297	1044	38	into	into	IN
43297	1044	39	the	the	DT
43297	1044	40	various	various	JJ
43297	1044	41	minerals	mineral	NNS
43297	1044	42	of	of	IN
43297	1044	43	which	which	WDT
43297	1044	44	they	-PRON-	PRP
43297	1044	45	are	be	VBP
43297	1044	46	composed	compose	VBN
43297	1044	47	.	.	.
43297	1045	1	When	when	WRB
43297	1045	2	,	,	,
43297	1045	3	however	however	RB
43297	1045	4	,	,	,
43297	1045	5	the	the	DT
43297	1045	6	accessory	accessory	JJ
43297	1045	7	minerals	mineral	NNS
43297	1045	8	do	do	VBP
43297	1045	9	not	not	RB
43297	1045	10	exceed	exceed	VB
43297	1045	11	5	5	CD
43297	1045	12	per	per	NN
43297	1045	13	cent	cent	NN
43297	1045	14	.	.	.
43297	1046	1	of	of	IN
43297	1046	2	the	the	DT
43297	1046	3	total	total	JJ
43297	1046	4	ingredients	ingredient	NNS
43297	1046	5	their	-PRON-	PRP$
43297	1046	6	influence	influence	NN
43297	1046	7	is	be	VBZ
43297	1046	8	less	less	RBR
43297	1046	9	important	important	JJ
43297	1046	10	and	and	CC
43297	1046	11	the	the	DT
43297	1046	12	nature	nature	NN
43297	1046	13	and	and	CC
43297	1046	14	characteristics	characteristic	NNS
43297	1046	15	of	of	IN
43297	1046	16	the	the	DT
43297	1046	17	'	'	``
43297	1046	18	clay	clay	NN
43297	1046	19	substance	substance	NN
43297	1046	20	'	'	''
43297	1046	21	itself	-PRON-	PRP
43297	1046	22	can	can	MD
43297	1046	23	be	be	VB
43297	1046	24	more	more	RBR
43297	1046	25	accurately	accurately	RB
43297	1046	26	studied	study	VBN
43297	1046	27	.	.	.
43297	1047	1	By	by	IN
43297	1047	2	careful	careful	JJ
43297	1047	3	treatment	treatment	NN
43297	1047	4	of	of	IN
43297	1047	5	well	well	RB
43297	1047	6	selected	select	VBN
43297	1047	7	china	china	NNP
43297	1047	8	clays	clay	NNS
43297	1047	9	,	,	,
43297	1047	10	for	for	IN
43297	1047	11	example	example	NN
43297	1047	12	,	,	,
43297	1047	13	it	-PRON-	PRP
43297	1047	14	is	be	VBZ
43297	1047	15	possible	possible	JJ
43297	1047	16	to	to	TO
43297	1047	17	obtain	obtain	VB
43297	1047	18	a	a	DT
43297	1047	19	material	material	NN
43297	1047	20	corresponding	correspond	VBG
43297	1047	21	to	to	IN
43297	1047	22	the	the	DT
43297	1047	23	formula	formula	NN
43297	1047	24	Al2O3·2SiO2·2H2O	al2o3·2sio2·2h2o	NN
43297	1047	25	within	within	IN
43297	1047	26	a	a	DT
43297	1047	27	total	total	JJ
43297	1047	28	error	error	NN
43297	1047	29	of	of	IN
43297	1047	30	1	1	CD
43297	1047	31	per	per	NN
43297	1047	32	cent	cent	NN
43297	1047	33	.	.	.
43297	1047	34	,	,	,
43297	1047	35	the	the	DT
43297	1047	36	small	small	JJ
43297	1047	37	amount	amount	NN
43297	1047	38	of	of	IN
43297	1047	39	impurity	impurity	NN
43297	1047	40	being	being	NN
43297	1047	41	,	,	,
43297	1047	42	as	as	RB
43297	1047	43	far	far	RB
43297	1047	44	as	as	IN
43297	1047	45	can	can	MD
43297	1047	46	be	be	VB
43297	1047	47	ascertained	ascertain	VBN
43297	1047	48	,	,	,
43297	1047	49	composed	compose	VBN
43297	1047	50	of	of	IN
43297	1047	51	mica	mica	NNP
43297	1047	52	.	.	.
43297	1048	1	So	so	RB
43297	1048	2	pure	pure	JJ
43297	1048	3	a	a	DT
43297	1048	4	specimen	speciman	NNS
43297	1048	5	of	of	IN
43297	1048	6	clay	clay	NN
43297	1048	7	is	be	VBZ
43297	1048	8	found	find	VBN
43297	1048	9	on	on	IN
43297	1048	10	microscopical	microscopical	JJ
43297	1048	11	examination	examination	NN
43297	1048	12	to	to	TO
43297	1048	13	consist	consist	VB
43297	1048	14	of	of	IN
43297	1048	15	minute	minute	JJ
43297	1048	16	irregular	irregular	JJ
43297	1048	17	grains	grain	NNS
43297	1048	18	of	of	IN
43297	1048	19	no	no	DT
43297	1048	20	definite	definite	JJ
43297	1048	21	form	form	NN
43297	1048	22	,	,	,
43297	1048	23	together	together	RB
43297	1048	24	with	with	IN
43297	1048	25	a	a	DT
43297	1048	26	few	few	JJ
43297	1048	27	crystals	crystal	NNS
43297	1048	28	of	of	IN
43297	1048	29	the	the	DT
43297	1048	30	same	same	JJ
43297	1048	31	composition	composition	NN
43297	1048	32	and	and	CC
43297	1048	33	identifiable	identifiable	JJ
43297	1048	34	as	as	IN
43297	1048	35	the	the	DT
43297	1048	36	mineral	mineral	NN
43297	1048	37	'	'	``
43297	1048	38	kaolinite	kaolinite	NNP
43297	1048	39	'	'	''
43297	1048	40	(	(	-LRB-
43297	1048	41	p.	p.	NN
43297	1048	42	107	107	CD
43297	1048	43	)	)	-RRB-
43297	1048	44	.	.	.
43297	1049	1	This	this	DT
43297	1049	2	'	'	``
43297	1049	3	amorphous	amorphous	JJ
43297	1049	4	'	'	''
43297	1049	5	material	material	NN
43297	1049	6	,	,	,
43297	1049	7	which	which	WDT
43297	1049	8	appears	appear	VBZ
43297	1049	9	to	to	TO
43297	1049	10	be	be	VB
43297	1049	11	the	the	DT
43297	1049	12	chief	chief	JJ
43297	1049	13	constituent	constituent	NN
43297	1049	14	of	of	IN
43297	1049	15	all	all	DT
43297	1049	16	china	china	NNP
43297	1049	17	clays	clay	NNS
43297	1049	18	and	and	CC
43297	1049	19	kaolins	kaolins	NNP
43297	1049	20	,	,	,
43297	1049	21	has	have	VBZ
43297	1049	22	been	be	VBN
43297	1049	23	termed	term	VBN
43297	1049	24	_	_	NNP
43297	1049	25	clayite	clayite	NN
43297	1049	26	_	_	NNP
43297	1049	27	by	by	IN
43297	1049	28	Mellor	Mellor	NNP
43297	1049	29	(	(	-LRB-
43297	1049	30	22	22	CD
43297	1049	31	)	)	-RRB-
43297	1049	32	.	.	.
43297	1050	1	Johnson	Johnson	NNP
43297	1050	2	and	and	CC
43297	1050	3	Blake	Blake	NNP
43297	1050	4	,	,	,
43297	1050	5	Aron	Aron	NNP
43297	1050	6	and	and	CC
43297	1050	7	other	other	JJ
43297	1050	8	observers	observer	NNS
43297	1050	9	have	have	VBP
43297	1050	10	stated	state	VBN
43297	1050	11	that	that	IN
43297	1050	12	the	the	DT
43297	1050	13	majority	majority	NN
43297	1050	14	of	of	IN
43297	1050	15	the	the	DT
43297	1050	16	particles	particle	NNS
43297	1050	17	in	in	IN
43297	1050	18	china	china	NNP
43297	1050	19	clays	clay	NNS
43297	1050	20	and	and	CC
43297	1050	21	kaolins	kaolins	NNP
43297	1050	22	are	be	VBP
43297	1050	23	crystalline	crystalline	JJ
43297	1050	24	in	in	IN
43297	1050	25	form	form	NN
43297	1050	26	.	.	.
43297	1051	1	Owing	owe	VBG
43297	1051	2	to	to	IN
43297	1051	3	their	-PRON-	PRP$
43297	1051	4	extreme	extreme	JJ
43297	1051	5	smallness	smallness	NN
43297	1051	6	it	-PRON-	PRP
43297	1051	7	is	be	VBZ
43297	1051	8	exceedingly	exceedingly	RB
43297	1051	9	difficult	difficult	JJ
43297	1051	10	to	to	TO
43297	1051	11	prove	prove	VB
43297	1051	12	that	that	IN
43297	1051	13	they	-PRON-	PRP
43297	1051	14	are	be	VBP
43297	1051	15	not	not	RB
43297	1051	16	so	so	RB
43297	1051	17	,	,	,
43297	1051	18	though	though	IN
43297	1051	19	for	for	IN
43297	1051	20	all	all	DT
43297	1051	21	ordinary	ordinary	JJ
43297	1051	22	purposes	purpose	NNS
43297	1051	23	they	-PRON-	PRP
43297	1051	24	may	may	MD
43297	1051	25	be	be	VB
43297	1051	26	regarded	regard	VBN
43297	1051	27	as	as	IN
43297	1051	28	amorphous	amorphous	JJ
43297	1051	29	,	,	,
43297	1051	30	the	the	DT
43297	1051	31	proportion	proportion	NN
43297	1051	32	of	of	IN
43297	1051	33	obviously	obviously	RB
43297	1051	34	crystalline	crystalline	JJ
43297	1051	35	matter	matter	NN
43297	1051	36	present	present	JJ
43297	1051	37	in	in	IN
43297	1051	38	British	british	JJ
43297	1051	39	china	china	NNP
43297	1051	40	clay	clay	NN
43297	1051	41	of	of	IN
43297	1051	42	the	the	DT
43297	1051	43	highest	high	JJS
43297	1051	44	qualities	quality	NNS
43297	1051	45	being	be	VBG
43297	1051	46	so	so	RB
43297	1051	47	small	small	JJ
43297	1051	48	as	as	IN
43297	1051	49	to	to	TO
43297	1051	50	be	be	VB
43297	1051	51	negligible	negligible	JJ
43297	1051	52	.	.	.
43297	1052	1	Hickling	Hickling	NNP
43297	1052	2	(	(	-LRB-
43297	1052	3	36	36	CD
43297	1052	4	)	)	-RRB-
43297	1052	5	,	,	,
43297	1052	6	using	use	VBG
43297	1052	7	an	an	DT
43297	1052	8	exceptionally	exceptionally	RB
43297	1052	9	powerful	powerful	JJ
43297	1052	10	microscope	microscope	NN
43297	1052	11	,	,	,
43297	1052	12	claims	claim	VBZ
43297	1052	13	to	to	TO
43297	1052	14	have	have	VB
43297	1052	15	identified	identify	VBN
43297	1052	16	this	this	DT
43297	1052	17	'	'	``
43297	1052	18	amorphous	amorphous	JJ
43297	1052	19	'	'	''
43297	1052	20	substance	substance	NN
43297	1052	21	in	in	IN
43297	1052	22	china	china	NNP
43297	1052	23	clay	clay	NNP
43297	1052	24	as	as	IN
43297	1052	25	'	'	``
43297	1052	26	worn	worn	JJ
43297	1052	27	and	and	CC
43297	1052	28	fragmental	fragmental	JJ
43297	1052	29	crystals	crystal	NNS
43297	1052	30	of	of	IN
43297	1052	31	kaolinite	kaolinite	NNP
43297	1052	32	,	,	,
43297	1052	33	'	'	''
43297	1052	34	and	and	CC
43297	1052	35	recently	recently	RB
43297	1052	36	Mellor	Mellor	NNP
43297	1052	37	and	and	CC
43297	1052	38	Holdcroft	Holdcroft	NNP
43297	1052	39	and	and	CC
43297	1052	40	Rieke	Rieke	NNP
43297	1052	41	have	have	VBP
43297	1052	42	shown	show	VBN
43297	1052	43	that	that	IN
43297	1052	44	the	the	DT
43297	1052	45	apparently	apparently	RB
43297	1052	46	amorphous	amorphous	JJ
43297	1052	47	material	material	NN
43297	1052	48	shows	show	VBZ
43297	1052	49	the	the	DT
43297	1052	50	same	same	JJ
43297	1052	51	endo-	endo-	JJ
43297	1052	52	and	and	CC
43297	1052	53	exothermal	exothermal	JJ
43297	1052	54	reactions	reaction	NNS
43297	1052	55	as	as	IN
43297	1052	56	crystalline	crystalline	NN
43297	1052	57	kaolinite	kaolinite	NNP
43297	1052	58	.	.	.
43297	1053	1	So	so	RB
43297	1053	2	far	far	RB
43297	1053	3	as	as	IN
43297	1053	4	china	china	NNP
43297	1053	5	clays	clay	NNS
43297	1053	6	or	or	CC
43297	1053	7	kaolins	kaolin	NNS
43297	1053	8	are	be	VBP
43297	1053	9	concerned	concern	VBN
43297	1053	10	,	,	,
43297	1053	11	kaolinite	kaolinite	NNP
43297	1053	12	or	or	CC
43297	1053	13	an	an	DT
43297	1053	14	amorphous	amorphous	JJ
43297	1053	15	substance	substance	NN
43297	1053	16	of	of	IN
43297	1053	17	the	the	DT
43297	1053	18	same	same	JJ
43297	1053	19	composition	composition	NN
43297	1053	20	appears	appear	VBZ
43297	1053	21	to	to	TO
43297	1053	22	be	be	VB
43297	1053	23	identical	identical	JJ
43297	1053	24	with	with	IN
43297	1053	25	the	the	DT
43297	1053	26	'	'	``
43297	1053	27	ideal	ideal	JJ
43297	1053	28	clay	clay	NN
43297	1053	29	'	'	''
43297	1053	30	or	or	CC
43297	1053	31	'	'	``
43297	1053	32	true	true	JJ
43297	1053	33	clay	clay	NN
43297	1053	34	'	'	''
43297	1053	35	whose	whose	WP$
43297	1053	36	characters	character	NNS
43297	1053	37	have	have	VBP
43297	1053	38	so	so	RB
43297	1053	39	long	long	RB
43297	1053	40	been	be	VBN
43297	1053	41	sought	seek	VBN
43297	1053	42	.	.	.
43297	1054	1	This	this	DT
43297	1054	2	term	term	NN
43297	1054	3	--	--	:
43297	1054	4	clayite	clayite	NN
43297	1054	5	--	--	:
43297	1054	6	is	be	VBZ
43297	1054	7	very	very	RB
43297	1054	8	convenient	convenient	JJ
43297	1054	9	when	when	WRB
43297	1054	10	confined	confine	VBN
43297	1054	11	to	to	IN
43297	1054	12	china	china	NNP
43297	1054	13	clays	clay	NNS
43297	1054	14	and	and	CC
43297	1054	15	kaolins	kaolins	NNP
43297	1054	16	,	,	,
43297	1054	17	but	but	CC
43297	1054	18	it	-PRON-	PRP
43297	1054	19	is	be	VBZ
43297	1054	20	scarcely	scarcely	RB
43297	1054	21	legitimate	legitimate	JJ
43297	1054	22	to	to	TO
43297	1054	23	apply	apply	VB
43297	1054	24	it	-PRON-	PRP
43297	1054	25	,	,	,
43297	1054	26	as	as	IN
43297	1054	27	has	have	VBZ
43297	1054	28	been	be	VBN
43297	1054	29	suggested	suggest	VBN
43297	1054	30	,	,	,
43297	1054	31	to	to	TO
43297	1054	32	material	material	VB
43297	1054	33	in	in	IN
43297	1054	34	other	other	JJ
43297	1054	35	clays	clay	NNS
43297	1054	36	until	until	IN
43297	1054	37	it	-PRON-	PRP
43297	1054	38	has	have	VBZ
43297	1054	39	been	be	VBN
43297	1054	40	isolated	isolate	VBN
43297	1054	41	in	in	IN
43297	1054	42	a	a	DT
43297	1054	43	sufficiently	sufficiently	RB
43297	1054	44	pure	pure	JJ
43297	1054	45	form	form	NN
43297	1054	46	to	to	TO
43297	1054	47	enable	enable	VB
43297	1054	48	its	-PRON-	PRP$
43297	1054	49	properties	property	NNS
43297	1054	50	to	to	TO
43297	1054	51	be	be	VB
43297	1054	52	accurately	accurately	RB
43297	1054	53	studied	study	VBN
43297	1054	54	.	.	.
43297	1055	1	This	this	DT
43297	1055	2	restriction	restriction	NN
43297	1055	3	is	be	VBZ
43297	1055	4	the	the	DT
43297	1055	5	more	more	RBR
43297	1055	6	necessary	necessary	JJ
43297	1055	7	as	as	IN
43297	1055	8	in	in	IN
43297	1055	9	one	one	CD
43297	1055	10	very	very	RB
43297	1055	11	important	important	JJ
43297	1055	12	respect	respect	NN
43297	1055	13	clayite	clayite	NN
43297	1055	14	obtained	obtain	VBN
43297	1055	15	from	from	IN
43297	1055	16	china	china	NNP
43297	1055	17	clay	clay	NNP
43297	1055	18	and	and	CC
43297	1055	19	some	some	DT
43297	1055	20	kaolins	kaolins	NNP
43297	1055	21	differs	differ	VBZ
43297	1055	22	noticeably	noticeably	RB
43297	1055	23	from	from	IN
43297	1055	24	the	the	DT
43297	1055	25	nearest	near	JJS
43297	1055	26	approach	approach	NN
43297	1055	27	to	to	IN
43297	1055	28	it	-PRON-	PRP
43297	1055	29	obtainable	obtainable	JJ
43297	1055	30	from	from	IN
43297	1055	31	the	the	DT
43297	1055	32	more	more	RBR
43297	1055	33	plastic	plastic	JJ
43297	1055	34	clays	clay	NNS
43297	1055	35	:	:	:
43297	1055	36	namely	namely	RB
43297	1055	37	,	,	,
43297	1055	38	in	in	IN
43297	1055	39	its	-PRON-	PRP$
43297	1055	40	very	very	RB
43297	1055	41	low	low	JJ
43297	1055	42	plasticity	plasticity	NN
43297	1055	43	.	.	.
43297	1056	1	This	this	DT
43297	1056	2	may	may	MD
43297	1056	3	be	be	VB
43297	1056	4	explained	explain	VBN
43297	1056	5	by	by	IN
43297	1056	6	the	the	DT
43297	1056	7	fact	fact	NN
43297	1056	8	that	that	IN
43297	1056	9	it	-PRON-	PRP
43297	1056	10	is	be	VBZ
43297	1056	11	only	only	RB
43297	1056	12	obtainable	obtainable	JJ
43297	1056	13	in	in	IN
43297	1056	14	a	a	DT
43297	1056	15	reasonably	reasonably	RB
43297	1056	16	pure	pure	JJ
43297	1056	17	form	form	NN
43297	1056	18	in	in	IN
43297	1056	19	clays	clay	NNS
43297	1056	20	of	of	IN
43297	1056	21	a	a	DT
43297	1056	22	primary	primary	JJ
43297	1056	23	character	character	NN
43297	1056	24	,	,	,
43297	1056	25	whilst	whilst	IN
43297	1056	26	the	the	DT
43297	1056	27	plastic	plastic	NN
43297	1056	28	clays	clay	NNS
43297	1056	29	have	have	VBP
43297	1056	30	usually	usually	RB
43297	1056	31	been	be	VBN
43297	1056	32	transported	transport	VBN
43297	1056	33	over	over	IN
43297	1056	34	considerable	considerable	JJ
43297	1056	35	areas	area	NNS
43297	1056	36	and	and	CC
43297	1056	37	have	have	VBP
43297	1056	38	been	be	VBN
43297	1056	39	subjected	subject	VBN
43297	1056	40	to	to	IN
43297	1056	41	a	a	DT
43297	1056	42	variety	variety	NN
43297	1056	43	of	of	IN
43297	1056	44	treatments	treatment	NNS
43297	1056	45	which	which	WDT
43297	1056	46	have	have	VBP
43297	1056	47	had	have	VBN
43297	1056	48	a	a	DT
43297	1056	49	marked	marked	JJ
43297	1056	50	effect	effect	NN
43297	1056	51	on	on	IN
43297	1056	52	their	-PRON-	PRP$
43297	1056	53	physical	physical	JJ
43297	1056	54	character	character	NN
43297	1056	55	.	.	.
43297	1057	1	Moreover	moreover	RB
43297	1057	2	,	,	,
43297	1057	3	the	the	DT
43297	1057	4	fact	fact	NN
43297	1057	5	that	that	IN
43297	1057	6	the	the	DT
43297	1057	7	purest	pure	JJS
43297	1057	8	'	'	``
43297	1057	9	clay	clay	NN
43297	1057	10	'	'	''
43297	1057	11	which	which	WDT
43297	1057	12	can	can	MD
43297	1057	13	be	be	VB
43297	1057	14	isolated	isolate	VBN
43297	1057	15	from	from	IN
43297	1057	16	plastic	plastic	JJ
43297	1057	17	clays	clay	NNS
43297	1057	18	appears	appear	VBZ
43297	1057	19	to	to	TO
43297	1057	20	be	be	VB
43297	1057	21	amorphous	amorphous	JJ
43297	1057	22	and	and	CC
43297	1057	23	to	to	IN
43297	1057	24	some	some	DT
43297	1057	25	extent	extent	NN
43297	1057	26	colloidal	colloidal	NN
43297	1057	27	greatly	greatly	RB
43297	1057	28	increases	increase	VBZ
43297	1057	29	the	the	DT
43297	1057	30	difficulty	difficulty	NN
43297	1057	31	of	of	IN
43297	1057	32	obtaining	obtain	VBG
43297	1057	33	it	-PRON-	PRP
43297	1057	34	in	in	IN
43297	1057	35	a	a	DT
43297	1057	36	pure	pure	JJ
43297	1057	37	state	state	NN
43297	1057	38	,	,	,
43297	1057	39	especially	especially	RB
43297	1057	40	as	as	IN
43297	1057	41	no	no	DT
43297	1057	42	liquid	liquid	NN
43297	1057	43	is	be	VBZ
43297	1057	44	known	know	VBN
43297	1057	45	which	which	WDT
43297	1057	46	will	will	MD
43297	1057	47	dissolve	dissolve	VB
43297	1057	48	it	-PRON-	PRP
43297	1057	49	without	without	IN
43297	1057	50	decomposing	decompose	VBG
43297	1057	51	it	-PRON-	PRP
43297	1057	52	.	.	.
43297	1058	1	The	the	DT
43297	1058	2	fact	fact	NN
43297	1058	3	that	that	IN
43297	1058	4	it	-PRON-	PRP
43297	1058	5	is	be	VBZ
43297	1058	6	not	not	RB
43297	1058	7	an	an	DT
43297	1058	8	elementary	elementary	JJ
43297	1058	9	substance	substance	NN
43297	1058	10	,	,	,
43297	1058	11	but	but	CC
43297	1058	12	a	a	DT
43297	1058	13	complex	complex	JJ
43297	1058	14	compound	compound	NN
43297	1058	15	of	of	IN
43297	1058	16	silica	silica	NNP
43297	1058	17	,	,	,
43297	1058	18	alumina	alumina	NNP
43297	1058	19	and	and	CC
43297	1058	20	the	the	DT
43297	1058	21	elements	element	NNS
43297	1058	22	of	of	IN
43297	1058	23	water	water	NN
43297	1058	24	,	,	,
43297	1058	25	also	also	RB
43297	1058	26	increases	increase	VBZ
43297	1058	27	the	the	DT
43297	1058	28	intricacy	intricacy	NN
43297	1058	29	of	of	IN
43297	1058	30	the	the	DT
43297	1058	31	problem	problem	NN
43297	1058	32	,	,	,
43297	1058	33	for	for	IN
43297	1058	34	these	these	DT
43297	1058	35	substances	substance	NNS
43297	1058	36	occur	occur	VBP
43297	1058	37	in	in	IN
43297	1058	38	other	other	JJ
43297	1058	39	combinations	combination	NNS
43297	1058	40	in	in	IN
43297	1058	41	a	a	DT
43297	1058	42	variety	variety	NN
43297	1058	43	of	of	IN
43297	1058	44	other	other	JJ
43297	1058	45	minerals	mineral	NNS
43297	1058	46	which	which	WDT
43297	1058	47	are	be	VBP
43297	1058	48	clearly	clearly	RB
43297	1058	49	distinct	distinct	JJ
43297	1058	50	from	from	IN
43297	1058	51	clay	clay	NN
43297	1058	52	.	.	.
43297	1059	1	Ever	ever	RB
43297	1059	2	since	since	IN
43297	1059	3	the	the	DT
43297	1059	4	publication	publication	NN
43297	1059	5	of	of	IN
43297	1059	6	Seger	Seger	NNP
43297	1059	7	's	's	POS
43297	1059	8	memorable	memorable	JJ
43297	1059	9	papers	paper	NNS
43297	1059	10	(	(	-LRB-
43297	1059	11	7	7	CD
43297	1059	12	)	)	-RRB-
43297	1059	13	,	,	,
43297	1059	14	and	and	CC
43297	1059	15	to	to	IN
43297	1059	16	a	a	DT
43297	1059	17	small	small	JJ
43297	1059	18	extent	extent	NN
43297	1059	19	before	before	IN
43297	1059	20	that	that	DT
43297	1059	21	time	time	NN
43297	1059	22	,	,	,
43297	1059	23	it	-PRON-	PRP
43297	1059	24	has	have	VBZ
43297	1059	25	been	be	VBN
43297	1059	26	generally	generally	RB
43297	1059	27	understood	understand	VBN
43297	1059	28	that	that	IN
43297	1059	29	china	china	NNP
43297	1059	30	clay	clay	NNP
43297	1059	31	or	or	CC
43297	1059	32	kaolin	kaolin	NNP
43297	1059	33	represented	represent	VBD
43297	1059	34	the	the	DT
43297	1059	35	true	true	JJ
43297	1059	36	essential	essential	JJ
43297	1059	37	constituent	constituent	NN
43297	1059	38	of	of	IN
43297	1059	39	clays	clay	NNS
43297	1059	40	,	,	,
43297	1059	41	but	but	CC
43297	1059	42	several	several	JJ
43297	1059	43	investigators	investigator	NNS
43297	1059	44	have	have	VBP
43297	1059	45	been	be	VBN
43297	1059	46	so	so	RB
43297	1059	47	imbued	imbued	JJ
43297	1059	48	with	with	IN
43297	1059	49	the	the	DT
43297	1059	50	idea	idea	NN
43297	1059	51	that	that	IN
43297	1059	52	all	all	DT
43297	1059	53	true	true	JJ
43297	1059	54	clay	clay	NN
43297	1059	55	substance	substance	NN
43297	1059	56	must	must	MD
43297	1059	57	have	have	VB
43297	1059	58	a	a	DT
43297	1059	59	crystalline	crystalline	NN
43297	1059	60	form	form	NN
43297	1059	61	that	that	WDT
43297	1059	62	they	-PRON-	PRP
43297	1059	63	have	have	VBP
43297	1059	64	frequently	frequently	RB
43297	1059	65	used	use	VBN
43297	1059	66	the	the	DT
43297	1059	67	term	term	NN
43297	1059	68	'	'	``
43297	1059	69	kaolinite	kaolinite	NN
43297	1059	70	'	'	''
43297	1059	71	to	to	TO
43297	1059	72	include	include	VB
43297	1059	73	the	the	DT
43297	1059	74	'	'	``
43297	1059	75	amorphous	amorphous	JJ
43297	1059	76	'	'	''
43297	1059	77	substance	substance	NN
43297	1059	78	in	in	IN
43297	1059	79	plastic	plastic	NN
43297	1059	80	clays	clay	NNS
43297	1059	81	.	.	.
43297	1060	1	This	this	DT
43297	1060	2	is	be	VBZ
43297	1060	3	unfortunate	unfortunate	JJ
43297	1060	4	as	as	IN
43297	1060	5	it	-PRON-	PRP
43297	1060	6	is	be	VBZ
43297	1060	7	by	by	IN
43297	1060	8	no	no	DT
43297	1060	9	means	means	NN
43297	1060	10	proved	prove	VBN
43297	1060	11	that	that	IN
43297	1060	12	the	the	DT
43297	1060	13	latter	latter	JJ
43297	1060	14	is	be	VBZ
43297	1060	15	identical	identical	JJ
43297	1060	16	with	with	IN
43297	1060	17	kaolinite	kaolinite	NNP
43297	1060	18	,	,	,
43297	1060	19	and	and	CC
43297	1060	20	a	a	DT
43297	1060	21	distinctive	distinctive	JJ
43297	1060	22	term	term	NN
43297	1060	23	would	would	MD
43297	1060	24	be	be	VB
43297	1060	25	of	of	IN
43297	1060	26	value	value	NN
43297	1060	27	in	in	IN
43297	1060	28	preventing	prevent	VBG
43297	1060	29	confusion	confusion	NN
43297	1060	30	.	.	.
43297	1061	1	Other	other	JJ
43297	1061	2	investigators	investigator	NNS
43297	1061	3	have	have	VBP
43297	1061	4	used	use	VBN
43297	1061	5	the	the	DT
43297	1061	6	word	word	NN
43297	1061	7	'	'	``
43297	1061	8	kaolin	kaolin	NN
43297	1061	9	'	'	''
43297	1061	10	with	with	IN
43297	1061	11	equal	equal	JJ
43297	1061	12	freeness	freeness	NN
43297	1061	13	,	,	,
43297	1061	14	so	so	IN
43297	1061	15	that	that	IN
43297	1061	16	whilst	whilst	IN
43297	1061	17	it	-PRON-	PRP
43297	1061	18	originally	originally	RB
43297	1061	19	referred	refer	VBD
43297	1061	20	to	to	TO
43297	1061	21	material	material	VB
43297	1061	22	from	from	IN
43297	1061	23	a	a	DT
43297	1061	24	particular	particular	JJ
43297	1061	25	hill	hill	NN
43297	1061	26	or	or	CC
43297	1061	27	ridge	ridge	NNP
43297	1061	28	in	in	IN
43297	1061	29	China[13	China[13	NNP
43297	1061	30	]	]	-RRB-
43297	1061	31	it	-PRON-	PRP
43297	1061	32	has	have	VBZ
43297	1061	33	now	now	RB
43297	1061	34	entered	enter	VBN
43297	1061	35	into	into	IN
43297	1061	36	general	general	JJ
43297	1061	37	use	use	NN
43297	1061	38	for	for	IN
43297	1061	39	all	all	DT
43297	1061	40	clays	clay	NNS
43297	1061	41	whose	whose	WP$
43297	1061	42	composition	composition	NN
43297	1061	43	approximates	approximate	VBZ
43297	1061	44	to	to	IN
43297	1061	45	that	that	DT
43297	1061	46	of	of	IN
43297	1061	47	china	china	NNP
43297	1061	48	clay	clay	NNP
43297	1061	49	(	(	-LRB-
43297	1061	50	p.	p.	NN
43297	1061	51	16	16	CD
43297	1061	52	)	)	-RRB-
43297	1061	53	in	in	IN
43297	1061	54	which	which	WDT
43297	1061	55	the	the	DT
43297	1061	56	plasticity	plasticity	NN
43297	1061	57	is	be	VBZ
43297	1061	58	not	not	RB
43297	1061	59	well	well	RB
43297	1061	60	developed	develop	VBN
43297	1061	61	.	.	.
43297	1062	1	Thus	thus	RB
43297	1062	2	,	,	,
43297	1062	3	in	in	IN
43297	1062	4	spite	spite	NN
43297	1062	5	of	of	IN
43297	1062	6	the	the	DT
43297	1062	7	difference	difference	NN
43297	1062	8	in	in	IN
43297	1062	9	origin	origin	NN
43297	1062	10	between	between	IN
43297	1062	11	many	many	JJ
43297	1062	12	German	german	JJ
43297	1062	13	and	and	CC
43297	1062	14	French	french	JJ
43297	1062	15	kaolins	kaolin	NNS
43297	1062	16	and	and	CC
43297	1062	17	the	the	DT
43297	1062	18	china	china	NNP
43297	1062	19	clays	clay	NNS
43297	1062	20	of	of	IN
43297	1062	21	Cornwall	Cornwall	NNP
43297	1062	22	,	,	,
43297	1062	23	it	-PRON-	PRP
43297	1062	24	is	be	VBZ
43297	1062	25	the	the	DT
43297	1062	26	custom	custom	NN
43297	1062	27	in	in	IN
43297	1062	28	Europe	Europe	NNP
43297	1062	29	generally	generally	RB
43297	1062	30	to	to	IN
43297	1062	31	term	term	VB
43297	1062	32	all	all	PDT
43297	1062	33	these	these	DT
43297	1062	34	materials	material	NNS
43297	1062	35	'	'	POS
43297	1062	36	kaolin	kaolin	NN
43297	1062	37	.	.	.
43297	1062	38	'	'	''
43297	1063	1	Yet	yet	CC
43297	1063	2	they	-PRON-	PRP
43297	1063	3	are	be	VBP
43297	1063	4	very	very	RB
43297	1063	5	different	different	JJ
43297	1063	6	in	in	IN
43297	1063	7	many	many	JJ
43297	1063	8	respects	respect	NNS
43297	1063	9	from	from	IN
43297	1063	10	the	the	DT
43297	1063	11	material	material	NN
43297	1063	12	originally	originally	RB
43297	1063	13	imported	import	VBN
43297	1063	14	from	from	IN
43297	1063	15	China	China	NNP
43297	1063	16	.	.	.
43297	1064	1	[	[	-LRB-
43297	1064	2	Footnote	Footnote	NNP
43297	1064	3	13	13	CD
43297	1064	4	:	:	:
43297	1064	5	_	_	NNP
43297	1064	6	Kao	Kao	NNP
43297	1064	7	-	-	HYPH
43297	1064	8	ling	ling	NNP
43297	1064	9	_	_	NNP
43297	1064	10	is	be	VBZ
43297	1064	11	Chinese	chinese	JJ
43297	1064	12	for	for	IN
43297	1064	13	a	a	DT
43297	1064	14	high	high	JJ
43297	1064	15	ridge	ridge	NN
43297	1064	16	or	or	CC
43297	1064	17	hill	hill	NN
43297	1064	18	.	.	.
43297	1064	19	]	]	-RRB-
43297	1065	1	As	as	IN
43297	1065	2	the	the	DT
43297	1065	3	essential	essential	JJ
43297	1065	4	clay	clay	NN
43297	1065	5	substance	substance	NN
43297	1065	6	has	have	VBZ
43297	1065	7	not	not	RB
43297	1065	8	yet	yet	RB
43297	1065	9	been	be	VBN
43297	1065	10	isolated	isolate	VBN
43297	1065	11	in	in	IN
43297	1065	12	a	a	DT
43297	1065	13	pure	pure	JJ
43297	1065	14	form	form	NN
43297	1065	15	from	from	IN
43297	1065	16	the	the	DT
43297	1065	17	most	most	RBS
43297	1065	18	widely	widely	RB
43297	1065	19	spread	spread	VBN
43297	1065	20	plastic	plastic	JJ
43297	1065	21	clays	clay	NNS
43297	1065	22	,	,	,
43297	1065	23	but	but	CC
43297	1065	24	is	be	VBZ
43297	1065	25	largely	largely	RB
43297	1065	26	hypothetical	hypothetical	JJ
43297	1065	27	as	as	RB
43297	1065	28	far	far	RB
43297	1065	29	as	as	IN
43297	1065	30	they	-PRON-	PRP
43297	1065	31	are	be	VBP
43297	1065	32	concerned	concern	VBN
43297	1065	33	,	,	,
43297	1065	34	the	the	DT
43297	1065	35	author	author	NN
43297	1065	36	prefers	prefer	VBZ
43297	1065	37	the	the	DT
43297	1065	38	term	term	NN
43297	1065	39	_	_	NNP
43297	1065	40	pelinite_[14	pelinite_[14	NNP
43297	1065	41	]	]	-RRB-
43297	1065	42	when	when	WRB
43297	1065	43	referring	refer	VBG
43297	1065	44	to	to	IN
43297	1065	45	that	that	DT
43297	1065	46	portion	portion	NN
43297	1065	47	of	of	IN
43297	1065	48	any	any	DT
43297	1065	49	plastic	plastic	JJ
43297	1065	50	clays	clay	NNS
43297	1065	51	or	or	CC
43297	1065	52	mixtures	mixture	NNS
43297	1065	53	of	of	IN
43297	1065	54	clays	clay	NNS
43297	1065	55	with	with	IN
43297	1065	56	other	other	JJ
43297	1065	57	minerals	mineral	NNS
43297	1065	58	which	which	WDT
43297	1065	59	may	may	MD
43297	1065	60	be	be	VB
43297	1065	61	regarded	regard	VBN
43297	1065	62	as	as	IN
43297	1065	63	being	be	VBG
43297	1065	64	the	the	DT
43297	1065	65	constituent	constituent	NN
43297	1065	66	to	to	TO
43297	1065	67	which	which	WDT
43297	1065	68	the	the	DT
43297	1065	69	argillaceous	argillaceous	JJ
43297	1065	70	portion	portion	NN
43297	1065	71	of	of	IN
43297	1065	72	the	the	DT
43297	1065	73	material	material	NN
43297	1065	74	owes	owe	VBZ
43297	1065	75	its	-PRON-	PRP$
43297	1065	76	chief	chief	JJ
43297	1065	77	properties	property	NNS
43297	1065	78	.	.	.
43297	1066	1	In	in	IN
43297	1066	2	china	china	NNP
43297	1066	3	clay	clay	NNP
43297	1066	4	and	and	CC
43297	1066	5	kaolin	kaolin	NNP
43297	1066	6	the	the	DT
43297	1066	7	'	'	``
43297	1066	8	true	true	JJ
43297	1066	9	clay	clay	NN
43297	1066	10	'	'	''
43297	1066	11	is	be	VBZ
43297	1066	12	identical	identical	JJ
43297	1066	13	with	with	IN
43297	1066	14	clayite	clayite	NN
43297	1066	15	--	--	:
43297	1066	16	or	or	CC
43297	1066	17	even	even	RB
43297	1066	18	with	with	IN
43297	1066	19	kaolinite	kaolinite	NNP
43297	1066	20	(	(	-LRB-
43297	1066	21	p.	p.	NN
43297	1066	22	108)--and	108)--and	CD
43297	1066	23	there	there	EX
43297	1066	24	is	be	VBZ
43297	1066	25	great	great	JJ
43297	1066	26	probability	probability	NN
43297	1066	27	that	that	IN
43297	1066	28	this	this	DT
43297	1066	29	identity	identity	NN
43297	1066	30	also	also	RB
43297	1066	31	holds	hold	VBZ
43297	1066	32	in	in	IN
43297	1066	33	the	the	DT
43297	1066	34	case	case	NN
43297	1066	35	of	of	IN
43297	1066	36	the	the	DT
43297	1066	37	more	more	RBR
43297	1066	38	plastic	plastic	JJ
43297	1066	39	clays	clay	NNS
43297	1066	40	of	of	IN
43297	1066	41	other	other	JJ
43297	1066	42	geological	geological	JJ
43297	1066	43	formations	formation	NNS
43297	1066	44	,	,	,
43297	1066	45	but	but	CC
43297	1066	46	until	until	IN
43297	1066	47	it	-PRON-	PRP
43297	1066	48	is	be	VBZ
43297	1066	49	established	establish	VBN
43297	1066	50	it	-PRON-	PRP
43297	1066	51	appears	appear	VBZ
43297	1066	52	wisest	wise	JJS
43297	1066	53	to	to	TO
43297	1066	54	distinguish	distinguish	VB
43297	1066	55	the	the	DT
43297	1066	56	hypothetical	hypothetical	JJ
43297	1066	57	or	or	CC
43297	1066	58	ideal	ideal	JJ
43297	1066	59	clay	clay	NN
43297	1066	60	common	common	JJ
43297	1066	61	to	to	IN
43297	1066	62	all	all	DT
43297	1066	63	clays	clay	NNS
43297	1066	64	(	(	-LRB-
43297	1066	65	if	if	IN
43297	1066	66	there	there	EX
43297	1066	67	is	be	VBZ
43297	1066	68	such	such	PDT
43297	1066	69	a	a	DT
43297	1066	70	substance	substance	NN
43297	1066	71	)	)	-RRB-
43297	1066	72	by	by	IN
43297	1066	73	different	different	JJ
43297	1066	74	terms	term	NNS
43297	1066	75	according	accord	VBG
43297	1066	76	to	to	IN
43297	1066	77	the	the	DT
43297	1066	78	extent	extent	NN
43297	1066	79	to	to	TO
43297	1066	80	which	which	WDT
43297	1066	81	its	-PRON-	PRP$
43297	1066	82	composition	composition	NN
43297	1066	83	and	and	CC
43297	1066	84	characters	character	NNS
43297	1066	85	of	of	IN
43297	1066	86	the	the	DT
43297	1066	87	materials	material	NNS
43297	1066	88	most	most	RBS
43297	1066	89	closely	closely	RB
43297	1066	90	resembling	resemble	VBG
43297	1066	91	it	-PRON-	PRP
43297	1066	92	are	be	VBP
43297	1066	93	experimentally	experimentally	RB
43297	1066	94	known	know	VBN
43297	1066	95	.	.	.
43297	1067	1	[	[	-LRB-
43297	1067	2	Footnote	footnote	NN
43297	1067	3	14	14	CD
43297	1067	4	:	:	:
43297	1067	5	From	from	IN
43297	1067	6	the	the	DT
43297	1067	7	[	[	-LRB-
43297	1067	8	Greek	Greek	NNP
43297	1067	9	:	:	:
43297	1067	10	pêlinos	pêlinos	NNP
43297	1067	11	]	]	-RRB-
43297	1067	12	=	=	CC
43297	1067	13	made	make	VBN
43297	1067	14	of	of	IN
43297	1067	15	clay	clay	NN
43297	1067	16	.	.	.
43297	1067	17	]	]	-RRB-
43297	1068	1	The	the	DT
43297	1068	2	substances	substance	NNS
43297	1068	3	most	most	RBS
43297	1068	4	resembling	resemble	VBG
43297	1068	5	this	this	DT
43297	1068	6	'	'	``
43297	1068	7	ideal	ideal	JJ
43297	1068	8	clay	clay	NN
43297	1068	9	'	'	''
43297	1068	10	which	which	WDT
43297	1068	11	have	have	VBP
43297	1068	12	,	,	,
43297	1068	13	up	up	RB
43297	1068	14	to	to	IN
43297	1068	15	the	the	DT
43297	1068	16	present	present	NN
43297	1068	17	been	be	VBN
43297	1068	18	isolated	isolate	VBN
43297	1068	19	,	,	,
43297	1068	20	are	be	VBP
43297	1068	21	:	:	:
43297	1068	22	(	(	-LRB-
43297	1068	23	_	_	NNP
43297	1068	24	a	a	DT
43297	1068	25	_	_	NNP
43297	1068	26	)	)	-RRB-
43297	1068	27	_	_	NNP
43297	1068	28	Kaolinite	Kaolinite	NNP
43297	1068	29	.	.	.
43297	1068	30	_	_	NNP
43297	1068	31	Found	Found	NNP
43297	1068	32	in	in	IN
43297	1068	33	a	a	DT
43297	1068	34	crystalline	crystalline	NN
43297	1068	35	form	form	NN
43297	1068	36	in	in	IN
43297	1068	37	china	china	NNP
43297	1068	38	clays	clay	NNS
43297	1068	39	and	and	CC
43297	1068	40	kaolins	kaolins	NNP
43297	1068	41	(	(	-LRB-
43297	1068	42	p.	p.	NN
43297	1068	43	107	107	CD
43297	1068	44	)	)	-RRB-
43297	1068	45	.	.	.
43297	1069	1	(	(	-LRB-
43297	1069	2	_	_	NNP
43297	1069	3	b	b	NNP
43297	1069	4	_	_	NNP
43297	1069	5	)	)	-RRB-
43297	1069	6	_	_	NNP
43297	1069	7	Clayite	Clayite	NNP
43297	1069	8	.	.	.
43297	1069	9	_	_	NNP
43297	1069	10	A	a	DT
43297	1069	11	material	material	NN
43297	1069	12	of	of	IN
43297	1069	13	the	the	DT
43297	1069	14	same	same	JJ
43297	1069	15	chemical	chemical	JJ
43297	1069	16	composition	composition	NN
43297	1069	17	as	as	IN
43297	1069	18	kaolinite	kaolinite	NNP
43297	1069	19	,	,	,
43297	1069	20	but	but	CC
43297	1069	21	whose	whose	WP$
43297	1069	22	crystalline	crystalline	JJ
43297	1069	23	nature	nature	NN
43297	1069	24	(	(	-LRB-
43297	1069	25	if	if	IN
43297	1069	26	it	-PRON-	PRP
43297	1069	27	be	be	VBP
43297	1069	28	crystalline	crystalline	JJ
43297	1069	29	)	)	-RRB-
43297	1069	30	has	have	VBZ
43297	1069	31	not	not	RB
43297	1069	32	been	be	VBN
43297	1069	33	identified	identify	VBN
43297	1069	34	--	--	:
43297	1069	35	chiefly	chiefly	RB
43297	1069	36	obtained	obtain	VBN
43297	1069	37	from	from	IN
43297	1069	38	china	china	NNP
43297	1069	39	clays	clay	NNS
43297	1069	40	and	and	CC
43297	1069	41	kaolins	kaolins	NNP
43297	1069	42	.	.	.
43297	1070	1	(	(	-LRB-
43297	1070	2	_	_	NNP
43297	1070	3	c	c	NNP
43297	1070	4	_	_	NNP
43297	1070	5	)	)	-RRB-
43297	1070	6	_	_	NNP
43297	1070	7	Pelinite	Pelinite	NNP
43297	1070	8	.	.	.
43297	1070	9	_	_	NNP
43297	1070	10	A	a	DT
43297	1070	11	material	material	NN
43297	1070	12	similar	similar	JJ
43297	1070	13	to	to	TO
43297	1070	14	clayite	clayite	VB
43297	1070	15	,	,	,
43297	1070	16	but	but	CC
43297	1070	17	differing	differ	VBG
43297	1070	18	from	from	IN
43297	1070	19	it	-PRON-	PRP
43297	1070	20	in	in	IN
43297	1070	21	being	be	VBG
43297	1070	22	highly	highly	RB
43297	1070	23	plastic	plastic	JJ
43297	1070	24	and	and	CC
43297	1070	25	,	,	,
43297	1070	26	to	to	IN
43297	1070	27	some	some	DT
43297	1070	28	extent	extent	NN
43297	1070	29	,	,	,
43297	1070	30	of	of	IN
43297	1070	31	a	a	DT
43297	1070	32	colloidal	colloidal	JJ
43297	1070	33	nature	nature	NN
43297	1070	34	--	--	:
43297	1070	35	obtained	obtain	VBN
43297	1070	36	from	from	IN
43297	1070	37	plastic	plastic	JJ
43297	1070	38	clays	clay	NNS
43297	1070	39	.	.	.
43297	1071	1	(	(	-LRB-
43297	1071	2	_	_	NNP
43297	1071	3	d	d	NNP
43297	1071	4	_	_	NNP
43297	1071	5	)	)	-RRB-
43297	1071	6	_	_	NNP
43297	1071	7	Laterite	Laterite	NNP
43297	1071	8	.	.	.
43297	1071	9	_	_	NNP
43297	1071	10	A	a	DT
43297	1071	11	material	material	NN
43297	1071	12	resembling	resemble	VBG
43297	1071	13	clayite	clayite	NN
43297	1071	14	in	in	IN
43297	1071	15	physical	physical	JJ
43297	1071	16	appearance	appearance	NN
43297	1071	17	,	,	,
43297	1071	18	but	but	CC
43297	1071	19	containing	contain	VBG
43297	1071	20	free	free	JJ
43297	1071	21	alumina	alumina	NNP
43297	1071	22	and	and	CC
43297	1071	23	free	free	NNP
43297	1071	24	silica	silica	NNP
43297	1071	25	(	(	-LRB-
43297	1071	26	p.	p.	NN
43297	1071	27	80	80	CD
43297	1071	28	)	)	-RRB-
43297	1071	29	.	.	.
43297	1072	1	(	(	-LRB-
43297	1072	2	_	_	NNP
43297	1072	3	e	e	NNP
43297	1072	4	_	_	NNP
43297	1072	5	)	)	-RRB-
43297	1072	6	_	_	NNP
43297	1072	7	Clay	Clay	NNP
43297	1072	8	Substance	Substance	NNP
43297	1072	9	.	.	.
43297	1072	10	_	_	NNP
43297	1072	11	A	a	DT
43297	1072	12	general	general	JJ
43297	1072	13	term	term	NN
43297	1072	14	indicating	indicate	VBG
43297	1072	15	any	any	DT
43297	1072	16	of	of	IN
43297	1072	17	the	the	DT
43297	1072	18	foregoing	foregoing	NN
43297	1072	19	or	or	CC
43297	1072	20	a	a	DT
43297	1072	21	mixture	mixture	NN
43297	1072	22	of	of	IN
43297	1072	23	them	-PRON-	PRP
43297	1072	24	;	;	:
43297	1072	25	it	-PRON-	PRP
43297	1072	26	is	be	VBZ
43297	1072	27	also	also	RB
43297	1072	28	applied	apply	VBN
43297	1072	29	(	(	-LRB-
43297	1072	30	unwisely	unwisely	RB
43297	1072	31	)	)	-RRB-
43297	1072	32	to	to	IN
43297	1072	33	the	the	DT
43297	1072	34	material	material	NN
43297	1072	35	obtained	obtain	VBN
43297	1072	36	when	when	WRB
43297	1072	37	a	a	DT
43297	1072	38	natural	natural	JJ
43297	1072	39	clay	clay	NN
43297	1072	40	is	be	VBZ
43297	1072	41	freed	free	VBN
43297	1072	42	from	from	IN
43297	1072	43	its	-PRON-	PRP$
43297	1072	44	coarser	coarser	NN
43297	1072	45	impurities	impurity	NNS
43297	1072	46	by	by	IN
43297	1072	47	elutriation	elutriation	NN
43297	1072	48	(	(	-LRB-
43297	1072	49	p.	p.	NN
43297	1072	50	7	7	CD
43297	1072	51	)	)	-RRB-
43297	1072	52	.	.	.
43297	1073	1	The	the	DT
43297	1073	2	Chief	Chief	NNP
43297	1073	3	Characteristics	Characteristics	NNPS
43297	1073	4	of	of	IN
43297	1073	5	'	'	``
43297	1073	6	True	True	NNP
43297	1073	7	Clay	Clay	NNP
43297	1073	8	'	'	''
43297	1073	9	from	from	IN
43297	1073	10	Different	Different	NNP
43297	1073	11	Sources	Sources	NNPS
43297	1073	12	.	.	.
43297	1074	1	In	in	IN
43297	1074	2	so	so	RB
43297	1074	3	far	far	RB
43297	1074	4	as	as	IN
43297	1074	5	it	-PRON-	PRP
43297	1074	6	can	can	MD
43297	1074	7	be	be	VB
43297	1074	8	isolated	isolate	VBN
43297	1074	9	_	_	NNP
43297	1074	10	true	true	JJ
43297	1074	11	clay	clay	NN
43297	1074	12	_	_	NNP
43297	1074	13	appears	appear	VBZ
43297	1074	14	to	to	TO
43297	1074	15	be	be	VB
43297	1074	16	an	an	DT
43297	1074	17	amorphous	amorphous	JJ
43297	1074	18	,	,	,
43297	1074	19	or	or	CC
43297	1074	20	practically	practically	RB
43297	1074	21	amorphous	amorphous	JJ
43297	1074	22	,	,	,
43297	1074	23	material	material	NN
43297	1074	24	which	which	WDT
43297	1074	25	may	may	MD
43297	1074	26	under	under	IN
43297	1074	27	suitable	suitable	JJ
43297	1074	28	conditions	condition	NNS
43297	1074	29	crystallize	crystallize	VBP
43297	1074	30	into	into	IN
43297	1074	31	rhombic	rhombic	JJ
43297	1074	32	plates	plate	NNS
43297	1074	33	of	of	IN
43297	1074	34	kaolinite	kaolinite	NNP
43297	1074	35	.	.	.
43297	1075	1	The	the	DT
43297	1075	2	particles	particle	NNS
43297	1075	3	of	of	IN
43297	1075	4	which	which	WDT
43297	1075	5	it	-PRON-	PRP
43297	1075	6	is	be	VBZ
43297	1075	7	composed	compose	VBN
43297	1075	8	are	be	VBP
43297	1075	9	extremely	extremely	RB
43297	1075	10	small	small	JJ
43297	1075	11	,	,	,
43297	1075	12	being	be	VBG
43297	1075	13	always	always	RB
43297	1075	14	less	less	JJR
43297	1075	15	than	than	IN
43297	1075	16	0·0004	0·0004	NNS
43297	1075	17	in	in	RB
43297	1075	18	.	.	.
43297	1076	1	in	in	IN
43297	1076	2	diameter	diameter	NN
43297	1076	3	.	.	.
43297	1077	1	They	-PRON-	PRP
43297	1077	2	adsorb	adsorb	VBP
43297	1077	3	dyes	dye	NNS
43297	1077	4	from	from	IN
43297	1077	5	solutions	solution	NNS
43297	1077	6	and	and	CC
43297	1077	7	show	show	VBP
43297	1077	8	other	other	JJ
43297	1077	9	properties	property	NNS
43297	1077	10	characteristic	characteristic	JJ
43297	1077	11	of	of	IN
43297	1077	12	colloid	colloid	JJ
43297	1077	13	substances	substance	NNS
43297	1077	14	though	though	IN
43297	1077	15	in	in	IN
43297	1077	16	a	a	DT
43297	1077	17	very	very	RB
43297	1077	18	variable	variable	JJ
43297	1077	19	degree	degree	NN
43297	1077	20	,	,	,
43297	1077	21	some	some	DT
43297	1077	22	clays	clay	NNS
43297	1077	23	appearing	appear	VBG
43297	1077	24	to	to	TO
43297	1077	25	contain	contain	VB
43297	1077	26	a	a	DT
43297	1077	27	much	much	RB
43297	1077	28	larger	large	JJR
43297	1077	29	proportion	proportion	NN
43297	1077	30	of	of	IN
43297	1077	31	colloidal	colloidal	JJ
43297	1077	32	matter	matter	NN
43297	1077	33	than	than	IN
43297	1077	34	do	do	VBP
43297	1077	35	others	other	NNS
43297	1077	36	.	.	.
43297	1078	1	To	to	IN
43297	1078	2	some	some	DT
43297	1078	3	extent	extent	NN
43297	1078	4	the	the	DT
43297	1078	5	power	power	NN
43297	1078	6	of	of	IN
43297	1078	7	adsorption	adsorption	NN
43297	1078	8	of	of	IN
43297	1078	9	salts	salt	NNS
43297	1078	10	and	and	CC
43297	1078	11	colouring	colouring	NN
43297	1078	12	matters	matter	NNS
43297	1078	13	appears	appear	VBZ
43297	1078	14	to	to	TO
43297	1078	15	be	be	VB
43297	1078	16	connected	connect	VBN
43297	1078	17	with	with	IN
43297	1078	18	the	the	DT
43297	1078	19	plasticity	plasticity	NN
43297	1078	20	(	(	-LRB-
43297	1078	21	p.	p.	NN
43297	1078	22	41	41	CD
43297	1078	23	)	)	-RRB-
43297	1078	24	of	of	IN
43297	1078	25	the	the	DT
43297	1078	26	material	material	NN
43297	1078	27	,	,	,
43297	1078	28	but	but	CC
43297	1078	29	this	this	DT
43297	1078	30	latter	latter	JJ
43297	1078	31	property	property	NN
43297	1078	32	varies	varie	NNS
43297	1078	33	so	so	RB
43297	1078	34	greatly	greatly	RB
43297	1078	35	in	in	IN
43297	1078	36	clayite	clayite	NN
43297	1078	37	or	or	CC
43297	1078	38	pelinite	pelinite	NN
43297	1078	39	from	from	IN
43297	1078	40	different	different	JJ
43297	1078	41	sources	source	NNS
43297	1078	42	as	as	IN
43297	1078	43	to	to	TO
43297	1078	44	make	make	VB
43297	1078	45	any	any	DT
43297	1078	46	generalization	generalization	NN
43297	1078	47	impossible	impossible	JJ
43297	1078	48	.	.	.
43297	1079	1	True	true	JJ
43297	1079	2	clay	clay	NN
43297	1079	3	substance	substance	NN
43297	1079	4	appears	appear	VBZ
43297	1079	5	to	to	TO
43297	1079	6	be	be	VB
43297	1079	7	quite	quite	RB
43297	1079	8	white	white	JJ
43297	1079	9	,	,	,
43297	1079	10	any	any	DT
43297	1079	11	colour	colour	NN
43297	1079	12	present	present	NN
43297	1079	13	being	be	VBG
43297	1079	14	almost	almost	RB
43297	1079	15	invariably	invariably	RB
43297	1079	16	traceable	traceable	JJ
43297	1079	17	to	to	IN
43297	1079	18	ferric	ferric	JJ
43297	1079	19	compounds	compound	NNS
43297	1079	20	or	or	CC
43297	1079	21	to	to	IN
43297	1079	22	carbonaceous	carbonaceous	JJ
43297	1079	23	matter	matter	NN
43297	1079	24	.	.	.
43297	1080	1	The	the	DT
43297	1080	2	latter	latter	JJ
43297	1080	3	is	be	VBZ
43297	1080	4	of	of	IN
43297	1080	5	small	small	JJ
43297	1080	6	importance	importance	NN
43297	1080	7	to	to	IN
43297	1080	8	potters	potter	NNS
43297	1080	9	as	as	IN
43297	1080	10	it	-PRON-	PRP
43297	1080	11	burns	burn	VBZ
43297	1080	12	away	away	RB
43297	1080	13	in	in	IN
43297	1080	14	the	the	DT
43297	1080	15	kiln	kiln	NN
43297	1080	16	.	.	.
43297	1081	1	The	the	DT
43297	1081	2	specific	specific	JJ
43297	1081	3	gravity	gravity	NN
43297	1081	4	of	of	IN
43297	1081	5	clay	clay	NN
43297	1081	6	substance	substance	NN
43297	1081	7	is	be	VBZ
43297	1081	8	2·65	2·65	CD
43297	1081	9	according	accord	VBG
43297	1081	10	to	to	IN
43297	1081	11	Hecht	Hecht	NNP
43297	1081	12	,	,	,
43297	1081	13	the	the	DT
43297	1081	14	lower	low	JJR
43297	1081	15	figures	figure	NNS
43297	1081	16	sometimes	sometimes	RB
43297	1081	17	reported	report	VBD
43297	1081	18	being	be	VBG
43297	1081	19	too	too	RB
43297	1081	20	low	low	JJ
43297	1081	21	.	.	.
43297	1082	1	Its	-PRON-	PRP$
43297	1082	2	hardness	hardness	NN
43297	1082	3	is	be	VBZ
43297	1082	4	usually	usually	RB
43297	1082	5	less	less	JJR
43297	1082	6	than	than	IN
43297	1082	7	that	that	DT
43297	1082	8	of	of	IN
43297	1082	9	talc	talc	NN
43297	1082	10	--	--	:
43297	1082	11	the	the	DT
43297	1082	12	softest	soft	JJS
43297	1082	13	substance	substance	NN
43297	1082	14	on	on	IN
43297	1082	15	Mohs	Mohs	NNP
43297	1082	16	'	'	POS
43297	1082	17	scale	scale	NN
43297	1082	18	--	--	:
43297	1082	19	but	but	CC
43297	1082	20	some	some	DT
43297	1082	21	shales	shale	NNS
43297	1082	22	are	be	VBP
43297	1082	23	so	so	RB
43297	1082	24	indurated	indurated	JJ
43297	1082	25	as	as	IN
43297	1082	26	to	to	TO
43297	1082	27	scratch	scratch	VB
43297	1082	28	quartz	quartz	NN
43297	1082	29	.	.	.
43297	1083	1	It	-PRON-	PRP
43297	1083	2	is	be	VBZ
43297	1083	3	quite	quite	RB
43297	1083	4	insoluble	insoluble	JJ
43297	1083	5	in	in	IN
43297	1083	6	water	water	NN
43297	1083	7	and	and	CC
43297	1083	8	in	in	IN
43297	1083	9	dilute	dilute	JJ
43297	1083	10	solutions	solution	NNS
43297	1083	11	of	of	IN
43297	1083	12	acids	acid	NNS
43297	1083	13	or	or	CC
43297	1083	14	alkalies	alkali	NNS
43297	1083	15	,	,	,
43297	1083	16	but	but	CC
43297	1083	17	is	be	VBZ
43297	1083	18	decomposed	decompose	VBN
43297	1083	19	by	by	IN
43297	1083	20	hydrofluoric	hydrofluoric	NN
43297	1083	21	acid	acid	NN
43297	1083	22	and	and	CC
43297	1083	23	by	by	IN
43297	1083	24	concentrated	concentrated	JJ
43297	1083	25	sulphuric	sulphuric	JJ
43297	1083	26	acid	acid	NN
43297	1083	27	when	when	WRB
43297	1083	28	heated	heat	VBN
43297	1083	29	,	,	,
43297	1083	30	alumina	alumina	NNP
43297	1083	31	entering	enter	VBG
43297	1083	32	into	into	IN
43297	1083	33	solution	solution	NN
43297	1083	34	and	and	CC
43297	1083	35	silica	silica	NN
43297	1083	36	being	be	VBG
43297	1083	37	precipitated	precipitate	VBN
43297	1083	38	in	in	IN
43297	1083	39	a	a	DT
43297	1083	40	colloidal	colloidal	JJ
43297	1083	41	condition	condition	NN
43297	1083	42	.	.	.
43297	1084	1	It	-PRON-	PRP
43297	1084	2	absorbs	absorb	VBZ
43297	1084	3	water	water	NN
43297	1084	4	easily	easily	RB
43297	1084	5	until	until	IN
43297	1084	6	a	a	DT
43297	1084	7	definite	definite	JJ
43297	1084	8	state	state	NN
43297	1084	9	of	of	IN
43297	1084	10	saturation	saturation	NN
43297	1084	11	has	have	VBZ
43297	1084	12	been	be	VBN
43297	1084	13	reached	reach	VBN
43297	1084	14	,	,	,
43297	1084	15	after	after	IN
43297	1084	16	which	which	WDT
43297	1084	17	it	-PRON-	PRP
43297	1084	18	becomes	become	VBZ
43297	1084	19	impervious	impervious	JJ
43297	1084	20	unless	unless	IN
43297	1084	21	the	the	DT
43297	1084	22	proportion	proportion	NN
43297	1084	23	of	of	IN
43297	1084	24	water	water	NN
43297	1084	25	is	be	VBZ
43297	1084	26	so	so	RB
43297	1084	27	large	large	JJ
43297	1084	28	and	and	CC
43297	1084	29	the	the	DT
43297	1084	30	time	time	NN
43297	1084	31	of	of	IN
43297	1084	32	exposure	exposure	NN
43297	1084	33	so	so	RB
43297	1084	34	great	great	JJ
43297	1084	35	that	that	IN
43297	1084	36	the	the	DT
43297	1084	37	material	material	NN
43297	1084	38	falls	fall	VBZ
43297	1084	39	to	to	IN
43297	1084	40	an	an	DT
43297	1084	41	irregular	irregular	JJ
43297	1084	42	mass	mass	NN
43297	1084	43	which	which	WDT
43297	1084	44	may	may	MD
43297	1084	45	be	be	VB
43297	1084	46	converted	convert	VBN
43297	1084	47	into	into	IN
43297	1084	48	a	a	DT
43297	1084	49	slurry	slurry	NN
43297	1084	50	of	of	IN
43297	1084	51	uniform	uniform	JJ
43297	1084	52	consistency	consistency	NN
43297	1084	53	by	by	IN
43297	1084	54	gently	gently	RB
43297	1084	55	stirring	stir	VBG
43297	1084	56	it	-PRON-	PRP
43297	1084	57	.	.	.
43297	1085	1	With	with	IN
43297	1085	2	a	a	DT
43297	1085	3	moderate	moderate	JJ
43297	1085	4	amount	amount	NN
43297	1085	5	of	of	IN
43297	1085	6	water	water	NN
43297	1085	7	,	,	,
43297	1085	8	pelinite	pelinite	NNP
43297	1085	9	develops	develop	VBZ
43297	1085	10	sufficient	sufficient	JJ
43297	1085	11	plasticity	plasticity	NN
43297	1085	12	to	to	TO
43297	1085	13	enable	enable	VB
43297	1085	14	it	-PRON-	PRP
43297	1085	15	to	to	TO
43297	1085	16	be	be	VB
43297	1085	17	modelled	model	VBN
43297	1085	18	with	with	IN
43297	1085	19	facility	facility	NN
43297	1085	20	,	,	,
43297	1085	21	but	but	CC
43297	1085	22	clayite	clayite	NN
43297	1085	23	and	and	CC
43297	1085	24	some	some	DT
43297	1085	25	specimens	specimen	NNS
43297	1085	26	of	of	IN
43297	1085	27	pelinite	pelinite	NN
43297	1085	28	are	be	VBP
43297	1085	29	somewhat	somewhat	RB
43297	1085	30	deficient	deficient	JJ
43297	1085	31	in	in	IN
43297	1085	32	this	this	DT
43297	1085	33	respect	respect	NN
43297	1085	34	.	.	.
43297	1086	1	The	the	DT
43297	1086	2	pelinitic	pelinitic	JJ
43297	1086	3	particles	particle	NNS
43297	1086	4	usually	usually	RB
43297	1086	5	possess	possess	VBP
43297	1086	6	the	the	DT
43297	1086	7	capacity	capacity	NN
43297	1086	8	to	to	TO
43297	1086	9	retain	retain	VB
43297	1086	10	their	-PRON-	PRP$
43297	1086	11	plasticity	plasticity	NN
43297	1086	12	after	after	IN
43297	1086	13	being	be	VBG
43297	1086	14	mixed	mix	VBN
43297	1086	15	with	with	IN
43297	1086	16	considerable	considerable	JJ
43297	1086	17	proportions	proportion	NNS
43297	1086	18	of	of	IN
43297	1086	19	sand	sand	NN
43297	1086	20	or	or	CC
43297	1086	21	other	other	JJ
43297	1086	22	non	non	JJ
43297	1086	23	-	-	JJ
43297	1086	24	plastic	plastic	JJ
43297	1086	25	material	material	NN
43297	1086	26	and	and	CC
43297	1086	27	are	be	VBP
43297	1086	28	then	then	RB
43297	1086	29	said	say	VBN
43297	1086	30	to	to	TO
43297	1086	31	possess	possess	VB
43297	1086	32	a	a	DT
43297	1086	33	high	high	JJ
43297	1086	34	binding	bind	VBG
43297	1086	35	power	power	NN
43297	1086	36	(	(	-LRB-
43297	1086	37	p.	p.	NN
43297	1086	38	28	28	CD
43297	1086	39	)	)	-RRB-
43297	1086	40	.	.	.
43297	1087	1	If	if	IN
43297	1087	2	a	a	DT
43297	1087	3	large	large	JJ
43297	1087	4	proportion	proportion	NN
43297	1087	5	of	of	IN
43297	1087	6	water	water	NN
43297	1087	7	is	be	VBZ
43297	1087	8	added	add	VBN
43297	1087	9	to	to	IN
43297	1087	10	a	a	DT
43297	1087	11	sample	sample	NN
43297	1087	12	of	of	IN
43297	1087	13	clayite	clayite	NN
43297	1087	14	or	or	CC
43297	1087	15	pelinite	pelinite	NN
43297	1087	16	and	and	CC
43297	1087	17	the	the	DT
43297	1087	18	mixture	mixture	NN
43297	1087	19	is	be	VBZ
43297	1087	20	stirred	stir	VBN
43297	1087	21	into	into	IN
43297	1087	22	a	a	DT
43297	1087	23	slurry	slurry	NN
43297	1087	24	it	-PRON-	PRP
43297	1087	25	will	will	MD
43297	1087	26	be	be	VB
43297	1087	27	found	find	VBN
43297	1087	28	to	to	TO
43297	1087	29	remain	remain	VB
43297	1087	30	turbid	turbid	JJ
43297	1087	31	for	for	IN
43297	1087	32	a	a	DT
43297	1087	33	considerable	considerable	JJ
43297	1087	34	time	time	NN
43297	1087	35	and	and	CC
43297	1087	36	will	will	MD
43297	1087	37	not	not	RB
43297	1087	38	become	become	VB
43297	1087	39	perfectly	perfectly	RB
43297	1087	40	clear	clear	JJ
43297	1087	41	even	even	RB
43297	1087	42	after	after	IN
43297	1087	43	the	the	DT
43297	1087	44	lapse	lapse	NN
43297	1087	45	of	of	IN
43297	1087	46	several	several	JJ
43297	1087	47	days	day	NNS
43297	1087	48	.	.	.
43297	1088	1	Its	-PRON-	PRP$
43297	1088	2	power	power	NN
43297	1088	3	of	of	IN
43297	1088	4	remaining	remain	VBG
43297	1088	5	in	in	IN
43297	1088	6	suspension	suspension	NN
43297	1088	7	is	be	VBZ
43297	1088	8	much	much	RB
43297	1088	9	influenced	influence	VBN
43297	1088	10	by	by	IN
43297	1088	11	the	the	DT
43297	1088	12	presence	presence	NN
43297	1088	13	of	of	IN
43297	1088	14	even	even	RB
43297	1088	15	small	small	JJ
43297	1088	16	amounts	amount	NNS
43297	1088	17	of	of	IN
43297	1088	18	soluble	soluble	JJ
43297	1088	19	salts	salt	NNS
43297	1088	20	in	in	IN
43297	1088	21	either	either	CC
43297	1088	22	the	the	DT
43297	1088	23	water	water	NN
43297	1088	24	or	or	CC
43297	1088	25	the	the	DT
43297	1088	26	clay	clay	NN
43297	1088	27	substance	substance	NN
43297	1088	28	,	,	,
43297	1088	29	its	-PRON-	PRP$
43297	1088	30	precipitation	precipitation	NN
43297	1088	31	being	be	VBG
43297	1088	32	hastened	hasten	VBN
43297	1088	33	by	by	IN
43297	1088	34	the	the	DT
43297	1088	35	addition	addition	NN
43297	1088	36	of	of	IN
43297	1088	37	such	such	JJ
43297	1088	38	salts	salt	NNS
43297	1088	39	as	as	IN
43297	1088	40	cause	cause	VB
43297	1088	41	a	a	DT
43297	1088	42	partial	partial	JJ
43297	1088	43	coagulation	coagulation	NN
43297	1088	44	of	of	IN
43297	1088	45	the	the	DT
43297	1088	46	colloidal	colloidal	JJ
43297	1088	47	matter	matter	NN
43297	1088	48	present	present	JJ
43297	1088	49	.	.	.
43297	1089	1	Some	some	DT
43297	1089	2	specimens	specimen	NNS
43297	1089	3	of	of	IN
43297	1089	4	clayite	clayite	NN
43297	1089	5	and	and	CC
43297	1089	6	pelinite	pelinite	NNP
43297	1089	7	retain	retain	VBP
43297	1089	8	their	-PRON-	PRP$
43297	1089	9	suspensibility	suspensibility	NN
43297	1089	10	even	even	RB
43297	1089	11	in	in	IN
43297	1089	12	the	the	DT
43297	1089	13	presence	presence	NN
43297	1089	14	of	of	IN
43297	1089	15	salts	salt	NNS
43297	1089	16	,	,	,
43297	1089	17	but	but	CC
43297	1089	18	this	this	DT
43297	1089	19	is	be	VBZ
43297	1089	20	only	only	RB
43297	1089	21	true	true	JJ
43297	1089	22	of	of	IN
43297	1089	23	a	a	DT
43297	1089	24	very	very	RB
43297	1089	25	limited	limited	JJ
43297	1089	26	proportion	proportion	NN
43297	1089	27	of	of	IN
43297	1089	28	the	the	DT
43297	1089	29	substance	substance	NN
43297	1089	30	.	.	.
43297	1090	1	In	in	IN
43297	1090	2	most	most	JJS
43297	1090	3	cases	case	NNS
43297	1090	4	the	the	DT
43297	1090	5	presence	presence	NN
43297	1090	6	of	of	IN
43297	1090	7	soluble	soluble	JJ
43297	1090	8	salts	salt	NNS
43297	1090	9	causes	cause	VBZ
43297	1090	10	the	the	DT
43297	1090	11	larger	large	JJR
43297	1090	12	particles	particle	NNS
43297	1090	13	to	to	TO
43297	1090	14	sink	sink	VB
43297	1090	15	somewhat	somewhat	RB
43297	1090	16	rapidly	rapidly	RB
43297	1090	17	and	and	CC
43297	1090	18	to	to	TO
43297	1090	19	carry	carry	VB
43297	1090	20	the	the	DT
43297	1090	21	finer	fine	JJR
43297	1090	22	particles	particle	NNS
43297	1090	23	with	with	IN
43297	1090	24	them	-PRON-	PRP
43297	1090	25	.	.	.
43297	1091	1	The	the	DT
43297	1091	2	rate	rate	NN
43297	1091	3	at	at	IN
43297	1091	4	which	which	WDT
43297	1091	5	a	a	DT
43297	1091	6	slip	slip	NN
43297	1091	7	or	or	CC
43297	1091	8	'	'	``
43297	1091	9	cream	cream	NN
43297	1091	10	'	'	''
43297	1091	11	made	make	VBN
43297	1091	12	of	of	IN
43297	1091	13	elutriated	elutriate	VBN
43297	1091	14	clay	clay	NN
43297	1091	15	and	and	CC
43297	1091	16	water	water	NN
43297	1091	17	will	will	MD
43297	1091	18	flow	flow	VB
43297	1091	19	through	through	IN
43297	1091	20	a	a	DT
43297	1091	21	small	small	JJ
43297	1091	22	orifice	orifice	NN
43297	1091	23	is	be	VBZ
43297	1091	24	dependent	dependent	JJ
43297	1091	25	on	on	IN
43297	1091	26	the	the	DT
43297	1091	27	viscosity	viscosity	NN
43297	1091	28	of	of	IN
43297	1091	29	the	the	DT
43297	1091	30	liquid	liquid	NN
43297	1091	31	and	and	CC
43297	1091	32	this	this	DT
43297	1091	33	in	in	IN
43297	1091	34	turn	turn	NN
43297	1091	35	depends	depend	VBZ
43297	1091	36	on	on	IN
43297	1091	37	the	the	DT
43297	1091	38	amount	amount	NN
43297	1091	39	of	of	IN
43297	1091	40	colloidal	colloidal	JJ
43297	1091	41	material	material	NN
43297	1091	42	present	present	NN
43297	1091	43	,	,	,
43297	1091	44	_	_	NNP
43297	1091	45	i.e.	i.e.	FW
43297	1091	46	_	_	NNP
43297	1091	47	on	on	IN
43297	1091	48	how	how	WRB
43297	1091	49	much	much	JJ
43297	1091	50	of	of	IN
43297	1091	51	the	the	DT
43297	1091	52	clay	clay	NN
43297	1091	53	(	(	-LRB-
43297	1091	54	pelinite	pelinite	NNP
43297	1091	55	)	)	-RRB-
43297	1091	56	is	be	VBZ
43297	1091	57	in	in	IN
43297	1091	58	a	a	DT
43297	1091	59	colloidal	colloidal	JJ
43297	1091	60	form	form	NN
43297	1091	61	.	.	.
43297	1092	1	Its	-PRON-	PRP$
43297	1092	2	viscosity	viscosity	NN
43297	1092	3	is	be	VBZ
43297	1092	4	greatly	greatly	RB
43297	1092	5	affected	affect	VBN
43297	1092	6	by	by	IN
43297	1092	7	the	the	DT
43297	1092	8	addition	addition	NN
43297	1092	9	or	or	CC
43297	1092	10	presence	presence	NN
43297	1092	11	of	of	IN
43297	1092	12	small	small	JJ
43297	1092	13	quantities	quantity	NNS
43297	1092	14	of	of	IN
43297	1092	15	acid	acid	NN
43297	1092	16	or	or	CC
43297	1092	17	alkali	alkali	JJ
43297	1092	18	or	or	CC
43297	1092	19	of	of	IN
43297	1092	20	acidic	acidic	JJ
43297	1092	21	or	or	CC
43297	1092	22	basic	basic	JJ
43297	1092	23	salts	salt	NNS
43297	1092	24	.	.	.
43297	1093	1	Acids	acid	NNS
43297	1093	2	increase	increase	VBP
43297	1093	3	the	the	DT
43297	1093	4	viscosity	viscosity	NN
43297	1093	5	;	;	:
43297	1093	6	alkalies	alkali	NNS
43297	1093	7	and	and	CC
43297	1093	8	basic	basic	JJ
43297	1093	9	salts	salt	NNS
43297	1093	10	,	,	,
43297	1093	11	on	on	IN
43297	1093	12	the	the	DT
43297	1093	13	contrary	contrary	NN
43297	1093	14	,	,	,
43297	1093	15	make	make	VB
43297	1093	16	the	the	DT
43297	1093	17	slip	slip	NN
43297	1093	18	more	more	RBR
43297	1093	19	fluid	fluid	JJ
43297	1093	20	.	.	.
43297	1094	1	Neutral	neutral	JJ
43297	1094	2	salts	salt	NNS
43297	1094	3	behave	behave	VBP
43297	1094	4	in	in	IN
43297	1094	5	different	different	JJ
43297	1094	6	ways	way	NNS
43297	1094	7	according	accord	VBG
43297	1094	8	to	to	IN
43297	1094	9	the	the	DT
43297	1094	10	concentration	concentration	NN
43297	1094	11	of	of	IN
43297	1094	12	the	the	DT
43297	1094	13	solution	solution	NN
43297	1094	14	and	and	CC
43297	1094	15	to	to	IN
43297	1094	16	the	the	DT
43297	1094	17	amount	amount	NN
43297	1094	18	of	of	IN
43297	1094	19	clay	clay	NN
43297	1094	20	(	(	-LRB-
43297	1094	21	pelinite	pelinite	NNP
43297	1094	22	)	)	-RRB-
43297	1094	23	present	present	JJ
43297	1094	24	in	in	IN
43297	1094	25	the	the	DT
43297	1094	26	slip	slip	NN
43297	1094	27	.	.	.
43297	1095	1	If	if	IN
43297	1095	2	the	the	DT
43297	1095	3	slip	slip	NN
43297	1095	4	contains	contain	VBZ
43297	1095	5	so	so	RB
43297	1095	6	little	little	JJ
43297	1095	7	water	water	NN
43297	1095	8	as	as	IN
43297	1095	9	to	to	TO
43297	1095	10	be	be	VB
43297	1095	11	in	in	IN
43297	1095	12	the	the	DT
43297	1095	13	form	form	NN
43297	1095	14	of	of	IN
43297	1095	15	a	a	DT
43297	1095	16	thin	thin	JJ
43297	1095	17	paste	paste	NN
43297	1095	18	,	,	,
43297	1095	19	neutral	neutral	JJ
43297	1095	20	salts	salt	NNS
43297	1095	21	usually	usually	RB
43297	1095	22	have	have	VBP
43297	1095	23	but	but	CC
43297	1095	24	a	a	DT
43297	1095	25	small	small	JJ
43297	1095	26	action	action	NN
43297	1095	27	,	,	,
43297	1095	28	but	but	CC
43297	1095	29	when	when	WRB
43297	1095	30	the	the	DT
43297	1095	31	slip	slip	NN
43297	1095	32	contains	contain	VBZ
43297	1095	33	only	only	RB
43297	1095	34	a	a	DT
43297	1095	35	small	small	JJ
43297	1095	36	proportion	proportion	NN
43297	1095	37	of	of	IN
43297	1095	38	clay	clay	NN
43297	1095	39	(	(	-LRB-
43297	1095	40	pelinite	pelinite	NNP
43297	1095	41	)	)	-RRB-
43297	1095	42	the	the	DT
43297	1095	43	presence	presence	NN
43297	1095	44	of	of	IN
43297	1095	45	neutral	neutral	JJ
43297	1095	46	salts	salt	NNS
43297	1095	47	will	will	MD
43297	1095	48	tend	tend	VB
43297	1095	49	to	to	TO
43297	1095	50	cause	cause	VB
43297	1095	51	the	the	DT
43297	1095	52	precipitation	precipitation	NN
43297	1095	53	of	of	IN
43297	1095	54	the	the	DT
43297	1095	55	clay	clay	NN
43297	1095	56	.	.	.
43297	1096	1	In	in	IN
43297	1096	2	this	this	DT
43297	1096	3	way	way	NN
43297	1096	4	salts	salt	VBZ
43297	1096	5	act	act	NN
43297	1096	6	in	in	IN
43297	1096	7	two	two	CD
43297	1096	8	quite	quite	RB
43297	1096	9	different	different	JJ
43297	1096	10	directions	direction	NNS
43297	1096	11	according	accord	VBG
43297	1096	12	to	to	IN
43297	1096	13	the	the	DT
43297	1096	14	concentration	concentration	NN
43297	1096	15	of	of	IN
43297	1096	16	the	the	DT
43297	1096	17	slip	slip	NN
43297	1096	18	.	.	.
43297	1097	1	On	on	IN
43297	1097	2	drying	dry	VBG
43297	1097	3	a	a	DT
43297	1097	4	paste	paste	NN
43297	1097	5	made	make	VBN
43297	1097	6	of	of	IN
43297	1097	7	clay	clay	NN
43297	1097	8	and	and	CC
43297	1097	9	water	water	NN
43297	1097	10	the	the	DT
43297	1097	11	volume	volume	NN
43297	1097	12	gradually	gradually	RB
43297	1097	13	diminishes	diminish	VBZ
43297	1097	14	until	until	IN
43297	1097	15	the	the	DT
43297	1097	16	greater	great	JJR
43297	1097	17	part	part	NN
43297	1097	18	of	of	IN
43297	1097	19	the	the	DT
43297	1097	20	water	water	NN
43297	1097	21	has	have	VBZ
43297	1097	22	been	be	VBN
43297	1097	23	removed	remove	VBN
43297	1097	24	;	;	:
43297	1097	25	after	after	IN
43297	1097	26	this	this	DT
43297	1097	27	the	the	DT
43297	1097	28	remainder	remainder	NN
43297	1097	29	of	of	IN
43297	1097	30	the	the	DT
43297	1097	31	water	water	NN
43297	1097	32	may	may	MD
43297	1097	33	be	be	VB
43297	1097	34	driven	drive	VBN
43297	1097	35	off	off	RP
43297	1097	36	without	without	IN
43297	1097	37	any	any	DT
43297	1097	38	further	further	JJ
43297	1097	39	reduction	reduction	NN
43297	1097	40	in	in	IN
43297	1097	41	volume	volume	NN
43297	1097	42	of	of	IN
43297	1097	43	the	the	DT
43297	1097	44	material	material	NN
43297	1097	45	.	.	.
43297	1098	1	This	this	DT
43297	1098	2	is	be	VBZ
43297	1098	3	another	another	DT
43297	1098	4	characteristic	characteristic	JJ
43297	1098	5	common	common	NN
43297	1098	6	to	to	IN
43297	1098	7	colloidal	colloidal	JJ
43297	1098	8	substances	substance	NNS
43297	1098	9	such	such	JJ
43297	1098	10	as	as	IN
43297	1098	11	gelatin	gelatin	NN
43297	1098	12	.	.	.
43297	1099	1	The	the	DT
43297	1099	2	material	material	NN
43297	1099	3	when	when	WRB
43297	1099	4	drying	drying	NN
43297	1099	5	attains	attain	VBZ
43297	1099	6	a	a	DT
43297	1099	7	leathery	leathery	NN
43297	1099	8	consistency	consistency	NN
43297	1099	9	which	which	WDT
43297	1099	10	is	be	VBZ
43297	1099	11	at	at	IN
43297	1099	12	a	a	DT
43297	1099	13	maximum	maximum	NN
43297	1099	14	at	at	IN
43297	1099	15	the	the	DT
43297	1099	16	moment	moment	NN
43297	1099	17	when	when	WRB
43297	1099	18	the	the	DT
43297	1099	19	shrinkage	shrinkage	NN
43297	1099	20	is	be	VBZ
43297	1099	21	about	about	JJ
43297	1099	22	to	to	TO
43297	1099	23	cease	cease	VB
43297	1099	24	;	;	:
43297	1099	25	on	on	IN
43297	1099	26	further	further	RB
43297	1099	27	drying	dry	VBG
43297	1099	28	the	the	DT
43297	1099	29	material	material	NN
43297	1099	30	becomes	become	VBZ
43297	1099	31	harder	hard	JJR
43297	1099	32	and	and	CC
43297	1099	33	more	more	RBR
43297	1099	34	closely	closely	RB
43297	1099	35	resembles	resemble	VBZ
43297	1099	36	stone	stone	NN
43297	1099	37	.	.	.
43297	1100	1	Providing	provide	VBG
43297	1100	2	that	that	IN
43297	1100	3	wet	wet	JJ
43297	1100	4	clay	clay	NN
43297	1100	5	is	be	VBZ
43297	1100	6	not	not	RB
43297	1100	7	heated	heated	JJ
43297	1100	8	to	to	IN
43297	1100	9	a	a	DT
43297	1100	10	temperature	temperature	NN
43297	1100	11	higher	high	JJR
43297	1100	12	than	than	IN
43297	1100	13	that	that	DT
43297	1100	14	of	of	IN
43297	1100	15	boiling	boil	VBG
43297	1100	16	water	water	NN
43297	1100	17	it	-PRON-	PRP
43297	1100	18	appears	appear	VBZ
43297	1100	19	to	to	TO
43297	1100	20	undergo	undergo	VB
43297	1100	21	no	no	DT
43297	1100	22	chemical	chemical	NN
43297	1100	23	change	change	NN
43297	1100	24	and	and	CC
43297	1100	25	on	on	IN
43297	1100	26	cooling	cool	VBG
43297	1100	27	it	-PRON-	PRP
43297	1100	28	will	will	MD
43297	1100	29	again	again	RB
43297	1100	30	take	take	VB
43297	1100	31	up	up	RP
43297	1100	32	water[15	water[15	NNP
43297	1100	33	]	]	-RRB-
43297	1100	34	and	and	CC
43297	1100	35	be	be	VB
43297	1100	36	restored	restore	VBN
43297	1100	37	to	to	IN
43297	1100	38	its	-PRON-	PRP$
43297	1100	39	original	original	JJ
43297	1100	40	condition	condition	NN
43297	1100	41	except	except	IN
43297	1100	42	in	in	IN
43297	1100	43	so	so	RB
43297	1100	44	far	far	RB
43297	1100	45	as	as	IN
43297	1100	46	its	-PRON-	PRP$
43297	1100	47	colloidal	colloidal	JJ
43297	1100	48	nature	nature	NN
43297	1100	49	may	may	MD
43297	1100	50	have	have	VB
43297	1100	51	been	be	VBN
43297	1100	52	affected	affect	VBN
43297	1100	53	by	by	IN
43297	1100	54	the	the	DT
43297	1100	55	heating	heating	NN
43297	1100	56	.	.	.
43297	1101	1	If	if	IN
43297	1101	2	,	,	,
43297	1101	3	however	however	RB
43297	1101	4	,	,	,
43297	1101	5	the	the	DT
43297	1101	6	temperature	temperature	NN
43297	1101	7	is	be	VBZ
43297	1101	8	raised	raise	VBN
43297	1101	9	to	to	IN
43297	1101	10	about	about	IN
43297	1101	11	500	500	CD
43297	1101	12	°	°	NNS
43297	1101	13	C.	C.	NNP
43297	1101	14	a	a	DT
43297	1101	15	decomposition	decomposition	NN
43297	1101	16	of	of	IN
43297	1101	17	the	the	DT
43297	1101	18	material	material	NN
43297	1101	19	commences	commence	NNS
43297	1101	20	and	and	CC
43297	1101	21	water	water	NN
43297	1101	22	is	be	VBZ
43297	1101	23	evolved	evolve	VBN
43297	1101	24	.	.	.
43297	1102	1	This	this	DT
43297	1102	2	water	water	NN
43297	1102	3	--	--	:
43297	1102	4	which	which	WDT
43297	1102	5	is	be	VBZ
43297	1102	6	commonly	commonly	RB
43297	1102	7	termed	term	VBN
43297	1102	8	'	'	''
43297	1102	9	combined	combine	VBN
43297	1102	10	water'--is	water'--is	NNP
43297	1102	11	apparently	apparently	RB
43297	1102	12	an	an	DT
43297	1102	13	essential	essential	JJ
43297	1102	14	part	part	NN
43297	1102	15	of	of	IN
43297	1102	16	the	the	DT
43297	1102	17	clay	clay	NN
43297	1102	18	-	-	HYPH
43297	1102	19	molecule	molecule	NN
43297	1102	20	and	and	CC
43297	1102	21	when	when	WRB
43297	1102	22	once	once	IN
43297	1102	23	it	-PRON-	PRP
43297	1102	24	has	have	VBZ
43297	1102	25	been	be	VBN
43297	1102	26	removed	remove	VBN
43297	1102	27	the	the	DT
43297	1102	28	most	most	RBS
43297	1102	29	important	important	JJ
43297	1102	30	characteristics	characteristic	NNS
43297	1102	31	of	of	IN
43297	1102	32	the	the	DT
43297	1102	33	clay	clay	NN
43297	1102	34	are	be	VBP
43297	1102	35	destroyed	destroy	VBN
43297	1102	36	and	and	CC
43297	1102	37	can	can	MD
43297	1102	38	not	not	RB
43297	1102	39	be	be	VB
43297	1102	40	restored	restore	VBN
43297	1102	41	.	.	.
43297	1103	1	The	the	DT
43297	1103	2	reactions	reaction	NNS
43297	1103	3	which	which	WDT
43297	1103	4	occur	occur	VBP
43297	1103	5	when	when	WRB
43297	1103	6	clay	clay	NN
43297	1103	7	is	be	VBZ
43297	1103	8	heated	heated	JJ
43297	1103	9	are	be	VBP
43297	1103	10	complex	complex	JJ
43297	1103	11	and	and	CC
43297	1103	12	are	be	VBP
43297	1103	13	rendered	render	VBN
43297	1103	14	still	still	RB
43297	1103	15	more	more	RBR
43297	1103	16	difficult	difficult	JJ
43297	1103	17	to	to	TO
43297	1103	18	study	study	VB
43297	1103	19	by	by	IN
43297	1103	20	the	the	DT
43297	1103	21	apparent	apparent	JJ
43297	1103	22	polymerization	polymerization	NN
43297	1103	23	of	of	IN
43297	1103	24	the	the	DT
43297	1103	25	alumina	alumina	NNP
43297	1103	26	formed	form	VBN
43297	1103	27	.	.	.
43297	1104	1	Mellor	Mellor	NNP
43297	1104	2	and	and	CC
43297	1104	3	Holdcroft	Holdcroft	NNP
43297	1104	4	(	(	-LRB-
43297	1104	5	29	29	CD
43297	1104	6	)	)	-RRB-
43297	1104	7	have	have	VBP
43297	1104	8	recently	recently	RB
43297	1104	9	investigated	investigate	VBN
43297	1104	10	the	the	DT
43297	1104	11	heat	heat	NN
43297	1104	12	reactions	reaction	NNS
43297	1104	13	of	of	IN
43297	1104	14	the	the	DT
43297	1104	15	purest	pure	JJS
43297	1104	16	china	china	NNP
43297	1104	17	clay	clay	NNP
43297	1104	18	obtainable	obtainable	JJ
43297	1104	19	and	and	CC
43297	1104	20	confirm	confirm	VB
43297	1104	21	Le	Le	NNP
43297	1104	22	Chatelier	Chatelier	NNP
43297	1104	23	's	's	POS
43297	1104	24	view	view	NN
43297	1104	25	(	(	-LRB-
43297	1104	26	10	10	CD
43297	1104	27	)	)	-RRB-
43297	1104	28	that	that	WDT
43297	1104	29	on	on	IN
43297	1104	30	heating	heating	NN
43297	1104	31	to	to	IN
43297	1104	32	temperatures	temperature	NNS
43297	1104	33	above	above	IN
43297	1104	34	500	500	CD
43297	1104	35	°	°	NNS
43297	1104	36	C.	C.	NNP
43297	1104	37	clay	clay	NN
43297	1104	38	substance	substance	NN
43297	1104	39	decomposes	decompose	VBZ
43297	1104	40	into	into	IN
43297	1104	41	free	free	JJ
43297	1104	42	silica	silica	NN
43297	1104	43	,	,	,
43297	1104	44	free	free	JJ
43297	1104	45	alumina	alumina	NNP
43297	1104	46	and	and	CC
43297	1104	47	water	water	NN
43297	1104	48	,	,	,
43297	1104	49	the	the	DT
43297	1104	50	two	two	CD
43297	1104	51	former	former	JJ
43297	1104	52	undergoing	undergo	VBG
43297	1104	53	a	a	DT
43297	1104	54	partial	partial	JJ
43297	1104	55	re	re	NN
43297	1104	56	-	-	NN
43297	1104	57	combination	combination	NN
43297	1104	58	with	with	IN
43297	1104	59	formation	formation	NN
43297	1104	60	of	of	IN
43297	1104	61	sillimanite	sillimanite	NN
43297	1104	62	(	(	-LRB-
43297	1104	63	Al2O3SiO2	Al2O3SiO2	NNP
43297	1104	64	)	)	-RRB-
43297	1104	65	if	if	IN
43297	1104	66	a	a	DT
43297	1104	67	temperature	temperature	NN
43297	1104	68	of	of	IN
43297	1104	69	1200	1200	CD
43297	1104	70	°	°	,
43297	1104	71	C.	C.	NNP
43297	1104	72	is	be	VBZ
43297	1104	73	reached	reach	VBN
43297	1104	74	.	.	.
43297	1105	1	Mellor	Mellor	NNP
43297	1105	2	and	and	CC
43297	1105	3	Holdcroft	Holdcroft	NNP
43297	1105	4	point	point	VBP
43297	1105	5	out	out	RP
43297	1105	6	that	that	IN
43297	1105	7	there	there	EX
43297	1105	8	is	be	VBZ
43297	1105	9	no	no	DT
43297	1105	10	critical	critical	JJ
43297	1105	11	point	point	NN
43297	1105	12	of	of	IN
43297	1105	13	decomposition	decomposition	NN
43297	1105	14	for	for	IN
43297	1105	15	clay	clay	NN
43297	1105	16	substance	substance	NN
43297	1105	17	obtained	obtain	VBN
43297	1105	18	from	from	IN
43297	1105	19	china	china	NNP
43297	1105	20	clay	clay	NNP
43297	1105	21	,	,	,
43297	1105	22	as	as	IN
43297	1105	23	it	-PRON-	PRP
43297	1105	24	appears	appear	VBZ
43297	1105	25	to	to	TO
43297	1105	26	lose	lose	VB
43297	1105	27	water	water	NN
43297	1105	28	at	at	IN
43297	1105	29	all	all	DT
43297	1105	30	temperatures	temperature	NNS
43297	1105	31	,	,	,
43297	1105	32	though	though	IN
43297	1105	33	its	-PRON-	PRP$
43297	1105	34	decomposition	decomposition	NN
43297	1105	35	proceeds	proceed	VBZ
43297	1105	36	at	at	IN
43297	1105	37	so	so	RB
43297	1105	38	slow	slow	VB
43297	1105	39	a	a	DT
43297	1105	40	rate	rate	NN
43297	1105	41	below	below	IN
43297	1105	42	400	400	CD
43297	1105	43	°	°	NNS
43297	1105	44	C.	C.	NNP
43297	1105	45	as	as	IN
43297	1105	46	to	to	TO
43297	1105	47	be	be	VB
43297	1105	48	scarcely	scarcely	RB
43297	1105	49	appreciable	appreciable	JJ
43297	1105	50	.	.	.
43297	1106	1	[	[	-LRB-
43297	1106	2	Footnote	Footnote	NNP
43297	1106	3	15	15	CD
43297	1106	4	:	:	:
43297	1106	5	Some	some	DT
43297	1106	6	clays	clay	NNS
43297	1106	7	are	be	VBP
43297	1106	8	highly	highly	RB
43297	1106	9	hygroscopic	hygroscopic	JJ
43297	1106	10	and	and	CC
43297	1106	11	absorb	absorb	VB
43297	1106	12	moisture	moisture	NN
43297	1106	13	readily	readily	RB
43297	1106	14	from	from	IN
43297	1106	15	the	the	DT
43297	1106	16	atmosphere	atmosphere	NN
43297	1106	17	.	.	.
43297	1107	1	According	accord	VBG
43297	1107	2	to	to	IN
43297	1107	3	Seger	Seger	NNP
43297	1107	4	(	(	-LRB-
43297	1107	5	7	7	LS
43297	1107	6	)	)	-RRB-
43297	1107	7	this	this	DT
43297	1107	8	hygroscopicity	hygroscopicity	NN
43297	1107	9	distinguishes	distinguish	VBZ
43297	1107	10	true	true	JJ
43297	1107	11	clay	clay	NN
43297	1107	12	from	from	IN
43297	1107	13	silt	silt	NN
43297	1107	14	and	and	CC
43297	1107	15	dust	dust	NN
43297	1107	16	.	.	.
43297	1107	17	]	]	-RRB-
43297	1108	1	After	after	IN
43297	1108	2	the	the	DT
43297	1108	3	whole	whole	NN
43297	1108	4	of	of	IN
43297	1108	5	the	the	DT
43297	1108	6	'	'	``
43297	1108	7	combined	combined	JJ
43297	1108	8	water	water	NN
43297	1108	9	'	'	''
43297	1108	10	has	have	VBZ
43297	1108	11	been	be	VBN
43297	1108	12	driven	drive	VBN
43297	1108	13	off	off	RP
43297	1108	14	,	,	,
43297	1108	15	if	if	IN
43297	1108	16	the	the	DT
43297	1108	17	temperature	temperature	NN
43297	1108	18	continues	continue	VBZ
43297	1108	19	to	to	TO
43297	1108	20	rise	rise	VB
43297	1108	21	,	,	,
43297	1108	22	it	-PRON-	PRP
43297	1108	23	is	be	VBZ
43297	1108	24	found	find	VBN
43297	1108	25	that	that	IN
43297	1108	26	at	at	IN
43297	1108	27	a	a	DT
43297	1108	28	temperature	temperature	NN
43297	1108	29	of	of	IN
43297	1108	30	900	900	CD
43297	1108	31	°	°	NNS
43297	1108	32	C.	C.	NNP
43297	1108	33	an	an	DT
43297	1108	34	evolution	evolution	NN
43297	1108	35	of	of	IN
43297	1108	36	heat	heat	NN
43297	1108	37	occurs	occur	VBZ
43297	1108	38	.	.	.
43297	1109	1	This	this	DT
43297	1109	2	exothermal	exothermal	JJ
43297	1109	3	point	point	NN
43297	1109	4	,	,	,
43297	1109	5	together	together	RB
43297	1109	6	with	with	IN
43297	1109	7	the	the	DT
43297	1109	8	endothermal	endothermal	JJ
43297	1109	9	one	one	CD
43297	1109	10	occurring	occur	VBG
43297	1109	11	at	at	IN
43297	1109	12	the	the	DT
43297	1109	13	temperature	temperature	NN
43297	1109	14	at	at	IN
43297	1109	15	which	which	WDT
43297	1109	16	the	the	DT
43297	1109	17	decomposition	decomposition	NN
43297	1109	18	of	of	IN
43297	1109	19	the	the	DT
43297	1109	20	clay	clay	NN
43297	1109	21	seems	seem	VBZ
43297	1109	22	to	to	TO
43297	1109	23	be	be	VB
43297	1109	24	most	most	RBS
43297	1109	25	rapid	rapid	JJ
43297	1109	26	,	,	,
43297	1109	27	has	have	VBZ
43297	1109	28	been	be	VBN
43297	1109	29	found	find	VBN
43297	1109	30	by	by	IN
43297	1109	31	Le	Le	NNP
43297	1109	32	Chatelier	Chatelier	NNP
43297	1109	33	,	,	,
43297	1109	34	confirmed	confirm	VBN
43297	1109	35	by	by	IN
43297	1109	36	Mellor	Mellor	NNP
43297	1109	37	and	and	CC
43297	1109	38	Holdcroft	Holdcroft	NNP
43297	1109	39	,	,	,
43297	1109	40	to	to	TO
43297	1109	41	be	be	VB
43297	1109	42	characteristic	characteristic	JJ
43297	1109	43	of	of	IN
43297	1109	44	clay	clay	NN
43297	1109	45	substance	substance	NN
43297	1109	46	derived	derive	VBN
43297	1109	47	from	from	IN
43297	1109	48	kaolin	kaolin	NNP
43297	1109	49	and	and	CC
43297	1109	50	china	china	NNP
43297	1109	51	clay	clay	NNP
43297	1109	52	,	,	,
43297	1109	53	and	and	CC
43297	1109	54	the	the	DT
43297	1109	55	two	two	CD
43297	1109	56	last	last	JJ
43297	1109	57	-	-	HYPH
43297	1109	58	named	name	VBN
43297	1109	59	investigators	investigator	NNS
43297	1109	60	state	state	VBP
43297	1109	61	that	that	IN
43297	1109	62	it	-PRON-	PRP
43297	1109	63	serves	serve	VBZ
43297	1109	64	as	as	IN
43297	1109	65	a	a	DT
43297	1109	66	means	means	NN
43297	1109	67	of	of	IN
43297	1109	68	distinguishing	distinguish	VBG
43297	1109	69	kaolinite	kaolinite	NN
43297	1109	70	or	or	CC
43297	1109	71	clayite	clayite	NN
43297	1109	72	from	from	IN
43297	1109	73	other	other	JJ
43297	1109	74	alumino	alumino	JJ
43297	1109	75	-	-	HYPH
43297	1109	76	silicates	silicate	NNS
43297	1109	77	of	of	IN
43297	1109	78	similar	similar	JJ
43297	1109	79	composition	composition	NN
43297	1109	80	.	.	.
43297	1110	1	These	these	DT
43297	1110	2	thermal	thermal	JJ
43297	1110	3	reactions	reaction	NNS
43297	1110	4	have	have	VBP
43297	1110	5	not	not	RB
43297	1110	6	,	,	,
43297	1110	7	as	as	RB
43297	1110	8	yet	yet	RB
43297	1110	9	,	,	,
43297	1110	10	been	be	VBN
43297	1110	11	fully	fully	RB
43297	1110	12	studied	study	VBN
43297	1110	13	in	in	IN
43297	1110	14	connection	connection	NN
43297	1110	15	with	with	IN
43297	1110	16	plastic	plastic	JJ
43297	1110	17	clays	clay	NNS
43297	1110	18	;	;	,
43297	1110	19	with	with	IN
43297	1110	20	china	china	NNP
43297	1110	21	clay	clay	NNP
43297	1110	22	,	,	,
43297	1110	23	as	as	IN
43297	1110	24	already	already	RB
43297	1110	25	noted	note	VBN
43297	1110	26	,	,	,
43297	1110	27	they	-PRON-	PRP
43297	1110	28	probably	probably	RB
43297	1110	29	indicate	indicate	VBP
43297	1110	30	a	a	DT
43297	1110	31	polymerization	polymerization	NN
43297	1110	32	of	of	IN
43297	1110	33	the	the	DT
43297	1110	34	alumina	alumina	NNP
43297	1110	35	set	set	VBN
43297	1110	36	free	free	JJ
43297	1110	37	by	by	IN
43297	1110	38	the	the	DT
43297	1110	39	decomposition	decomposition	NN
43297	1110	40	of	of	IN
43297	1110	41	the	the	DT
43297	1110	42	clay	clay	NN
43297	1110	43	substance	substance	NN
43297	1110	44	,	,	,
43297	1110	45	as	as	IN
43297	1110	46	pure	pure	JJ
43297	1110	47	alumina	alumina	NNP
43297	1110	48	from	from	IN
43297	1110	49	a	a	DT
43297	1110	50	variety	variety	NN
43297	1110	51	of	of	IN
43297	1110	52	sources	source	NNS
43297	1110	53	has	have	VBZ
43297	1110	54	been	be	VBN
43297	1110	55	found	find	VBN
43297	1110	56	by	by	IN
43297	1110	57	Mellor	Mellor	NNP
43297	1110	58	and	and	CC
43297	1110	59	Holdcroft	Holdcroft	NNP
43297	1110	60	to	to	TO
43297	1110	61	behave	behave	VB
43297	1110	62	similarly	similarly	RB
43297	1110	63	.	.	.
43297	1111	1	On	on	IN
43297	1111	2	still	still	RB
43297	1111	3	further	further	RB
43297	1111	4	raising	raise	VBG
43297	1111	5	the	the	DT
43297	1111	6	temperature	temperature	NN
43297	1111	7	of	of	IN
43297	1111	8	pure	pure	JJ
43297	1111	9	clay	clay	NN
43297	1111	10	(	(	-LRB-
43297	1111	11	pelinite	pelinite	NNP
43297	1111	12	or	or	CC
43297	1111	13	clayite	clayite	NN
43297	1111	14	)	)	-RRB-
43297	1111	15	no	no	DT
43297	1111	16	further	further	JJ
43297	1111	17	reactions	reaction	NNS
43297	1111	18	of	of	IN
43297	1111	19	importance	importance	NN
43297	1111	20	occur	occur	VBP
43297	1111	21	,	,	,
43297	1111	22	the	the	DT
43297	1111	23	material	material	NN
43297	1111	24	being	be	VBG
43297	1111	25	practically	practically	RB
43297	1111	26	infusible	infusible	JJ
43297	1111	27	.	.	.
43297	1112	1	If	if	IN
43297	1112	2	,	,	,
43297	1112	3	however	however	RB
43297	1112	4	,	,	,
43297	1112	5	any	any	DT
43297	1112	6	silica	silica	NN
43297	1112	7	,	,	,
43297	1112	8	lime	lime	NN
43297	1112	9	,	,	,
43297	1112	10	magnesia	magnesia	NNP
43297	1112	11	,	,	,
43297	1112	12	alkalies	alkali	NNS
43297	1112	13	,	,	,
43297	1112	14	iron	iron	NN
43297	1112	15	oxide	oxide	NN
43297	1112	16	or	or	CC
43297	1112	17	other	other	JJ
43297	1112	18	material	material	NN
43297	1112	19	capable	capable	JJ
43297	1112	20	of	of	IN
43297	1112	21	combining	combine	VBG
43297	1112	22	with	with	IN
43297	1112	23	the	the	DT
43297	1112	24	alumina	alumina	NNP
43297	1112	25	and	and	CC
43297	1112	26	silica	silica	NNP
43297	1112	27	is	be	VBZ
43297	1112	28	present	present	JJ
43297	1112	29	as	as	IN
43297	1112	30	impurities	impurity	NNS
43297	1112	31	in	in	IN
43297	1112	32	the	the	DT
43297	1112	33	clay	clay	NN
43297	1112	34	substance	substance	NN
43297	1112	35	,	,	,
43297	1112	36	combination	combination	NN
43297	1112	37	begins	begin	VBZ
43297	1112	38	at	at	IN
43297	1112	39	temperatures	temperature	NNS
43297	1112	40	above	above	IN
43297	1112	41	900	900	CD
43297	1112	42	°	°	NNS
43297	1112	43	C.	C.	NNP
43297	1112	44	This	this	DT
43297	1112	45	causes	cause	VBZ
43297	1112	46	a	a	DT
43297	1112	47	reduction	reduction	NN
43297	1112	48	of	of	IN
43297	1112	49	the	the	DT
43297	1112	50	heat	heat	NN
43297	1112	51	-	-	HYPH
43297	1112	52	resisting	resist	VBG
43297	1112	53	power	power	NN
43297	1112	54	of	of	IN
43297	1112	55	the	the	DT
43297	1112	56	material	material	NN
43297	1112	57	;	;	:
43297	1112	58	the	the	DT
43297	1112	59	silicates	silicate	NNS
43297	1112	60	and	and	CC
43297	1112	61	alumino	alumino	NNP
43297	1112	62	-	-	HYPH
43297	1112	63	silicates	silicate	NNS
43297	1112	64	produced	produce	VBD
43297	1112	65	fuse	fuse	NN
43297	1112	66	and	and	CC
43297	1112	67	begin	begin	VB
43297	1112	68	to	to	TO
43297	1112	69	react	react	VB
43297	1112	70	on	on	IN
43297	1112	71	the	the	DT
43297	1112	72	remaining	remain	VBG
43297	1112	73	silica	silica	NNP
43297	1112	74	and	and	CC
43297	1112	75	alumina	alumina	NNP
43297	1112	76	,	,	,
43297	1112	77	first	first	RB
43297	1112	78	forming	form	VBG
43297	1112	79	an	an	DT
43297	1112	80	impermeable	impermeable	JJ
43297	1112	81	mass	mass	NN
43297	1112	82	in	in	IN
43297	1112	83	place	place	NN
43297	1112	84	of	of	IN
43297	1112	85	the	the	DT
43297	1112	86	porous	porous	JJ
43297	1112	87	one	one	NN
43297	1112	88	produced	produce	VBN
43297	1112	89	with	with	IN
43297	1112	90	pure	pure	JJ
43297	1112	91	clay	clay	NN
43297	1112	92	substance	substance	NN
43297	1112	93	,	,	,
43297	1112	94	and	and	CC
43297	1112	95	gradually	gradually	RB
43297	1112	96	,	,	,
43297	1112	97	as	as	IN
43297	1112	98	the	the	DT
43297	1112	99	material	material	NN
43297	1112	100	loses	lose	VBZ
43297	1112	101	its	-PRON-	PRP$
43297	1112	102	shape	shape	NN
43297	1112	103	,	,	,
43297	1112	104	producing	produce	VBG
43297	1112	105	a	a	DT
43297	1112	106	molten	molten	JJ
43297	1112	107	slag	slag	NN
43297	1112	108	if	if	IN
43297	1112	109	the	the	DT
43297	1112	110	'	'	``
43297	1112	111	clay	clay	NN
43297	1112	112	'	'	''
43297	1112	113	is	be	VBZ
43297	1112	114	sufficiently	sufficiently	RB
43297	1112	115	impure	impure	NN
43297	1112	116	.	.	.
43297	1113	1	As	as	IN
43297	1113	2	ordinary	ordinary	JJ
43297	1113	3	clays	clay	NNS
43297	1113	4	are	be	VBP
43297	1113	5	never	never	RB
43297	1113	6	quite	quite	RB
43297	1113	7	free	free	JJ
43297	1113	8	from	from	IN
43297	1113	9	metallic	metallic	JJ
43297	1113	10	compounds	compound	NNS
43297	1113	11	other	other	JJ
43297	1113	12	than	than	IN
43297	1113	13	alumina	alumina	NNP
43297	1113	14	,	,	,
43297	1113	15	this	this	DT
43297	1113	16	formation	formation	NN
43297	1113	17	of	of	IN
43297	1113	18	a	a	DT
43297	1113	19	fused	fuse	VBN
43297	1113	20	portion	portion	NN
43297	1113	21	--	--	:
43297	1113	22	technically	technically	RB
43297	1113	23	known	know	VBN
43297	1113	24	as	as	IN
43297	1113	25	_	_	NNP
43297	1113	26	vitrification	vitrification	NN
43297	1113	27	_	_	NNP
43297	1113	28	(	(	-LRB-
43297	1113	29	p.	p.	NN
43297	1113	30	37)--occurs	37)--occurs	CD
43297	1113	31	at	at	IN
43297	1113	32	temperatures	temperature	NNS
43297	1113	33	depending	depend	VBG
43297	1113	34	on	on	IN
43297	1113	35	the	the	DT
43297	1113	36	nature	nature	NN
43297	1113	37	of	of	IN
43297	1113	38	the	the	DT
43297	1113	39	materials	material	NNS
43297	1113	40	present	present	JJ
43297	1113	41	,	,	,
43297	1113	42	so	so	IN
43297	1113	43	that	that	IN
43297	1113	44	a	a	DT
43297	1113	45	wide	wide	JJ
43297	1113	46	range	range	NN
43297	1113	47	of	of	IN
43297	1113	48	products	product	NNS
43297	1113	49	is	be	VBZ
43297	1113	50	obtained	obtain	VBN
43297	1113	51	,	,	,
43297	1113	52	the	the	DT
43297	1113	53	series	series	NN
43297	1113	54	commencing	commence	VBG
43297	1113	55	with	with	IN
43297	1113	56	the	the	DT
43297	1113	57	entirely	entirely	RB
43297	1113	58	unfused	unfused	JJ
43297	1113	59	pure	pure	JJ
43297	1113	60	clay	clay	NN
43297	1113	61	(	(	-LRB-
43297	1113	62	china	china	NNP
43297	1113	63	clay	clay	NNP
43297	1113	64	)	)	-RRB-
43297	1113	65	,	,	,
43297	1113	66	passing	pass	VBG
43297	1113	67	through	through	IN
43297	1113	68	the	the	DT
43297	1113	69	slightly	slightly	RB
43297	1113	70	vitrified	vitrified	JJ
43297	1113	71	fireclays	fireclay	NNS
43297	1113	72	,	,	,
43297	1113	73	the	the	DT
43297	1113	74	more	more	RBR
43297	1113	75	completely	completely	RB
43297	1113	76	vitrified	vitrified	JJ
43297	1113	77	ball	ball	NN
43297	1113	78	clays	clay	NNS
43297	1113	79	to	to	IN
43297	1113	80	the	the	DT
43297	1113	81	vitrifiable	vitrifiable	JJ
43297	1113	82	stoneware	stoneware	NN
43297	1113	83	clays	clay	NNS
43297	1113	84	and	and	CC
43297	1113	85	ending	end	VBG
43297	1113	86	with	with	IN
43297	1113	87	materials	material	NNS
43297	1113	88	so	so	RB
43297	1113	89	rich	rich	JJ
43297	1113	90	in	in	IN
43297	1113	91	easily	easily	RB
43297	1113	92	fusible	fusible	JJ
43297	1113	93	matter	matter	NN
43297	1113	94	as	as	IN
43297	1113	95	scarcely	scarcely	RB
43297	1113	96	to	to	TO
43297	1113	97	be	be	VB
43297	1113	98	worthy	worthy	JJ
43297	1113	99	of	of	IN
43297	1113	100	the	the	DT
43297	1113	101	name	name	NN
43297	1113	102	of	of	IN
43297	1113	103	clays	clay	NNS
43297	1113	104	.	.	.
43297	1114	1	The	the	DT
43297	1114	2	constitution	constitution	NN
43297	1114	3	of	of	IN
43297	1114	4	the	the	DT
43297	1114	5	clay	clay	NN
43297	1114	6	molecule	molecule	NN
43297	1114	7	is	be	VBZ
43297	1114	8	a	a	DT
43297	1114	9	subject	subject	NN
43297	1114	10	which	which	WDT
43297	1114	11	has	have	VBZ
43297	1114	12	attracted	attract	VBN
43297	1114	13	the	the	DT
43297	1114	14	attention	attention	NN
43297	1114	15	of	of	IN
43297	1114	16	many	many	JJ
43297	1114	17	investigators	investigator	NNS
43297	1114	18	and	and	CC
43297	1114	19	is	be	VBZ
43297	1114	20	being	be	VBG
43297	1114	21	closely	closely	RB
43297	1114	22	studied	study	VBN
43297	1114	23	at	at	IN
43297	1114	24	the	the	DT
43297	1114	25	present	present	JJ
43297	1114	26	time	time	NN
43297	1114	27	.	.	.
43297	1115	1	It	-PRON-	PRP
43297	1115	2	is	be	VBZ
43297	1115	3	a	a	DT
43297	1115	4	subject	subject	NN
43297	1115	5	of	of	IN
43297	1115	6	peculiar	peculiar	JJ
43297	1115	7	difficulty	difficulty	NN
43297	1115	8	owing	owe	VBG
43297	1115	9	to	to	IN
43297	1115	10	the	the	DT
43297	1115	11	inertness	inertness	NN
43297	1115	12	of	of	IN
43297	1115	13	clay	clay	NN
43297	1115	14	substance	substance	NN
43297	1115	15	at	at	RB
43297	1115	16	all	all	RB
43297	1115	17	but	but	CC
43297	1115	18	high	high	JJ
43297	1115	19	temperatures	temperature	NNS
43297	1115	20	,	,	,
43297	1115	21	and	and	CC
43297	1115	22	to	to	IN
43297	1115	23	the	the	DT
43297	1115	24	complexity	complexity	NN
43297	1115	25	of	of	IN
43297	1115	26	reactions	reaction	NNS
43297	1115	27	which	which	WDT
43297	1115	28	take	take	VBP
43297	1115	29	place	place	NN
43297	1115	30	as	as	RB
43297	1115	31	soon	soon	RB
43297	1115	32	as	as	IN
43297	1115	33	any	any	DT
43297	1115	34	reagent	reagent	NN
43297	1115	35	is	be	VBZ
43297	1115	36	brought	bring	VBN
43297	1115	37	into	into	IN
43297	1115	38	active	active	JJ
43297	1115	39	connection	connection	NN
43297	1115	40	with	with	IN
43297	1115	41	it	-PRON-	PRP
43297	1115	42	.	.	.
43297	1116	1	Without	without	IN
43297	1116	2	entering	enter	VBG
43297	1116	3	into	into	IN
43297	1116	4	details	detail	NNS
43297	1116	5	regarding	regard	VBG
43297	1116	6	the	the	DT
43297	1116	7	various	various	JJ
43297	1116	8	graphic	graphic	JJ
43297	1116	9	formulae	formula	NNS
43297	1116	10	which	which	WDT
43297	1116	11	have	have	VBP
43297	1116	12	been	be	VBN
43297	1116	13	suggested	suggest	VBN
43297	1116	14	,	,	,
43297	1116	15	it	-PRON-	PRP
43297	1116	16	is	be	VBZ
43297	1116	17	sufficient	sufficient	JJ
43297	1116	18	to	to	TO
43297	1116	19	state	state	VB
43297	1116	20	that	that	IN
43297	1116	21	the	the	DT
43297	1116	22	one	one	NN
43297	1116	23	which	which	WDT
43297	1116	24	is	be	VBZ
43297	1116	25	most	most	RBS
43297	1116	26	probably	probably	RB
43297	1116	27	correct	correct	JJ
43297	1116	28	,	,	,
43297	1116	29	as	as	RB
43297	1116	30	far	far	RB
43297	1116	31	as	as	IN
43297	1116	32	present	present	JJ
43297	1116	33	knowledge	knowledge	NN
43297	1116	34	goes	go	VBZ
43297	1116	35	,	,	,
43297	1116	36	is	be	VBZ
43297	1116	37	Mellor	Mellor	NNP
43297	1116	38	's	's	POS
43297	1116	39	and	and	CC
43297	1116	40	Holdcroft	Holdcroft	NNP
43297	1116	41	's	's	POS
43297	1116	42	re	re	NN
43297	1116	43	-	-	NN
43297	1116	44	arrangement	arrangement	NN
43297	1116	45	of	of	IN
43297	1116	46	Groth	Groth	NNP
43297	1116	47	's	's	POS
43297	1116	48	formula	formula	NN
43297	1116	49	(	(	-LRB-
43297	1116	50	30	30	CD
43297	1116	51	)	)	-RRB-
43297	1116	52	HO\	HO\	NNP
43297	1116	53	/OSiO\	/OSiO\	,
43297	1116	54	\Al2/	\Al2/	NNP
43297	1116	55	\O	\O	NNP
43297	1116	56	/	/	SYM
43297	1116	57	\	\	NNP
43297	1116	58	/	/	SYM
43297	1116	59	HO/	HO/	NNP
43297	1116	60	/\	/\	SYM
43297	1116	61	\OSiO/	\OSiO/	NNP
43297	1116	62	/	/	SYM
43297	1116	63	\	\	NN
43297	1116	64	HO	HO	NNP
43297	1116	65	OH	OH	NNP
43297	1116	66	which	which	WDT
43297	1116	67	on	on	IN
43297	1116	68	removal	removal	NN
43297	1116	69	of	of	IN
43297	1116	70	the	the	DT
43297	1116	71	hydroxyl	hydroxyl	NN
43297	1116	72	groups	group	NNS
43297	1116	73	might	may	MD
43297	1116	74	be	be	VB
43297	1116	75	expected	expect	VBN
43297	1116	76	to	to	TO
43297	1116	77	give	give	VB
43297	1116	78	the	the	DT
43297	1116	79	anhydride	anhydride	NN
43297	1116	80	O\\	O\\	NNP
43297	1116	81	/OSiO\	/OSiO\	.
43297	1116	82	\\Al2/	\\Al2/	NNP
43297	1116	83	\	\	NN
43297	1116	84	//	//	SYM
43297	1116	85	\	\	NN
43297	1116	86	/	/	SYM
43297	1116	87	O//	O//	NNP
43297	1116	88	\OSiO/	\OSiO/	NNP
43297	1116	89	though	though	IN
43297	1116	90	in	in	IN
43297	1116	91	practice	practice	NN
43297	1116	92	this	this	DT
43297	1116	93	substance	substance	NN
43297	1116	94	--	--	:
43297	1116	95	if	if	IN
43297	1116	96	formed	form	VBN
43297	1116	97	at	at	RB
43297	1116	98	all	all	RB
43297	1116	99	--	--	:
43297	1116	100	appears	appear	VBZ
43297	1116	101	to	to	TO
43297	1116	102	be	be	VB
43297	1116	103	instantly	instantly	RB
43297	1116	104	split	split	VBN
43297	1116	105	up	up	RP
43297	1116	106	into	into	IN
43297	1116	107	Al2O3	Al2O3	NNP
43297	1116	108	and	and	CC
43297	1116	109	SiO2	SiO2	NNS
43297	1116	110	.	.	.
43297	1117	1	By	by	IN
43297	1117	2	regarding	regard	VBG
43297	1117	3	the	the	DT
43297	1117	4	aluminium	aluminium	NN
43297	1117	5	as	as	IN
43297	1117	6	a	a	DT
43297	1117	7	nucleus	nucleus	NN
43297	1117	8	,	,	,
43297	1117	9	as	as	IN
43297	1117	10	above	above	RB
43297	1117	11	,	,	,
43297	1117	12	and	and	CC
43297	1117	13	some	some	DT
43297	1117	14	aluminium	aluminium	NN
43297	1117	15	silicates	silicate	NNS
43297	1117	16	as	as	IN
43297	1117	17	hypothetical	hypothetical	JJ
43297	1117	18	alumino	alumino	JJ
43297	1117	19	-	-	HYPH
43297	1117	20	silicic	silicic	NN
43297	1117	21	acids	acid	NNS
43297	1117	22	,	,	,
43297	1117	23	as	as	IN
43297	1117	24	suggested	suggest	VBN
43297	1117	25	by	by	IN
43297	1117	26	Ulffers	Ulffers	NNP
43297	1117	27	,	,	,
43297	1117	28	Scharizer	Scharizer	NNP
43297	1117	29	,	,	,
43297	1117	30	Morozewicz	Morozewicz	NNP
43297	1117	31	(	(	-LRB-
43297	1117	32	29	29	CD
43297	1117	33	)	)	-RRB-
43297	1117	34	and	and	CC
43297	1117	35	others	other	NNS
43297	1117	36	,	,	,
43297	1117	37	clay	clay	NN
43297	1117	38	substance	substance	NN
43297	1117	39	may	may	MD
43297	1117	40	be	be	VB
43297	1117	41	conveniently	conveniently	RB
43297	1117	42	considered	consider	VBN
43297	1117	43	,	,	,
43297	1117	44	along	along	IN
43297	1117	45	with	with	IN
43297	1117	46	analogous	analogous	JJ
43297	1117	47	substances	substance	NNS
43297	1117	48	,	,	,
43297	1117	49	as	as	IN
43297	1117	50	forming	form	VBG
43297	1117	51	a	a	DT
43297	1117	52	special	special	JJ
43297	1117	53	group	group	NN
43297	1117	54	quite	quite	RB
43297	1117	55	distinct	distinct	JJ
43297	1117	56	from	from	IN
43297	1117	57	the	the	DT
43297	1117	58	ordinary	ordinary	JJ
43297	1117	59	silicates	silicate	NNS
43297	1117	60	.	.	.
43297	1118	1	In	in	IN
43297	1118	2	this	this	DT
43297	1118	3	way	way	NN
43297	1118	4	Mellor	Mellor	NNP
43297	1118	5	and	and	CC
43297	1118	6	Holdcroft	Holdcroft	NNP
43297	1118	7	(	(	-LRB-
43297	1118	8	29	29	CD
43297	1118	9	)	)	-RRB-
43297	1118	10	consider	consider	VB
43297	1118	11	that	that	DT
43297	1118	12	clay	clay	NN
43297	1118	13	substance	substance	NN
43297	1118	14	is	be	VBZ
43297	1118	15	not	not	RB
43297	1118	16	a	a	DT
43297	1118	17	hydrated	hydrated	JJ
43297	1118	18	aluminium	aluminium	NN
43297	1118	19	silicate	silicate	NN
43297	1118	20	--	--	:
43297	1118	21	as	as	IN
43297	1118	22	is	be	VBZ
43297	1118	23	usually	usually	RB
43297	1118	24	stated	state	VBN
43297	1118	25	in	in	IN
43297	1118	26	the	the	DT
43297	1118	27	text	text	NN
43297	1118	28	-	-	HYPH
43297	1118	29	books	book	NNS
43297	1118	30	--	--	:
43297	1118	31	but	but	CC
43297	1118	32	an	an	DT
43297	1118	33	alumino	alumino	JJ
43297	1118	34	-	-	HYPH
43297	1118	35	silicic	silicic	NN
43297	1118	36	acid	acid	NN
43297	1118	37	,	,	,
43297	1118	38	the	the	DT
43297	1118	39	salts	salt	NNS
43297	1118	40	of	of	IN
43297	1118	41	which	which	WDT
43297	1118	42	are	be	VBP
43297	1118	43	the	the	DT
43297	1118	44	zeolites	zeolite	NNS
43297	1118	45	and	and	CC
43297	1118	46	related	related	JJ
43297	1118	47	compounds	compound	NNS
43297	1118	48	.	.	.
43297	1119	1	From	from	IN
43297	1119	2	this	this	DT
43297	1119	3	hypothesis	hypothesis	NN
43297	1119	4	it	-PRON-	PRP
43297	1119	5	naturally	naturally	RB
43297	1119	6	follows	follow	VBZ
43297	1119	7	that	that	IN
43297	1119	8	clay	clay	NN
43297	1119	9	substance	substance	NN
43297	1119	10	is	be	VBZ
43297	1119	11	analogous	analogous	JJ
43297	1119	12	to	to	IN
43297	1119	13	colloidal	colloidal	JJ
43297	1119	14	silica	silica	NN
43297	1119	15	which	which	WDT
43297	1119	16	has	have	VBZ
43297	1119	17	been	be	VBN
43297	1119	18	formed	form	VBN
43297	1119	19	by	by	IN
43297	1119	20	the	the	DT
43297	1119	21	decomposition	decomposition	NN
43297	1119	22	of	of	IN
43297	1119	23	a	a	DT
43297	1119	24	silicate	silicate	NN
43297	1119	25	by	by	IN
43297	1119	26	means	mean	NNS
43297	1119	27	of	of	IN
43297	1119	28	water	water	NN
43297	1119	29	and	and	CC
43297	1119	30	an	an	DT
43297	1119	31	acid	acid	NN
43297	1119	32	.	.	.
43297	1120	1	If	if	IN
43297	1120	2	this	this	DT
43297	1120	3	view	view	NN
43297	1120	4	be	be	VB
43297	1120	5	correct	correct	JJ
43297	1120	6	,	,	,
43297	1120	7	pure	pure	JJ
43297	1120	8	clay	clay	NN
43297	1120	9	substance	substance	NN
43297	1120	10	or	or	CC
43297	1120	11	true	true	JJ
43297	1120	12	clay	clay	NN
43297	1120	13	is	be	VBZ
43297	1120	14	a	a	DT
43297	1120	15	tetra	tetra	JJ
43297	1120	16	-	-	HYPH
43297	1120	17	basic	basic	JJ
43297	1120	18	alumino	alumino	JJ
43297	1120	19	-	-	HYPH
43297	1120	20	silicic	silicic	NN
43297	1120	21	acid	acid	NN
43297	1120	22	H4Al2SiO9	H4Al2SiO9	NNP
43297	1120	23	or	or	CC
43297	1120	24	Al2Si2O5(0H4	Al2Si2O5(0H4	NNP
43297	1120	25	)	)	-RRB-
43297	1120	26	.	.	.
43297	1121	1	That	that	IN
43297	1121	2	its	-PRON-	PRP$
43297	1121	3	acid	acid	NN
43297	1121	4	properties	property	NNS
43297	1121	5	are	be	VBP
43297	1121	6	not	not	RB
43297	1121	7	readily	readily	RB
43297	1121	8	recognizable	recognizable	JJ
43297	1121	9	at	at	IN
43297	1121	10	ordinary	ordinary	JJ
43297	1121	11	temperatures	temperature	NNS
43297	1121	12	is	be	VBZ
43297	1121	13	due	due	JJ
43297	1121	14	to	to	IN
43297	1121	15	its	-PRON-	PRP$
43297	1121	16	inertness	inertness	NN
43297	1121	17	;	;	:
43297	1121	18	at	at	IN
43297	1121	19	higher	high	JJR
43297	1121	20	temperatures	temperature	NNS
43297	1121	21	its	-PRON-	PRP$
43297	1121	22	power	power	NN
43297	1121	23	of	of	IN
43297	1121	24	combination	combination	NN
43297	1121	25	with	with	IN
43297	1121	26	lime	lime	NN
43297	1121	27	,	,	,
43297	1121	28	soda	soda	NNP
43297	1121	29	potash	potash	NN
43297	1121	30	and	and	CC
43297	1121	31	other	other	JJ
43297	1121	32	bases	basis	NNS
43297	1121	33	is	be	VBZ
43297	1121	34	well	well	RB
43297	1121	35	recognized	recognize	VBN
43297	1121	36	,	,	,
43297	1121	37	though	though	IN
43297	1121	38	the	the	DT
43297	1121	39	reactions	reaction	NNS
43297	1121	40	which	which	WDT
43297	1121	41	occur	occur	VBP
43297	1121	42	are	be	VBP
43297	1121	43	often	often	RB
43297	1121	44	complicated	complicate	VBN
43297	1121	45	by	by	IN
43297	1121	46	decompositions	decomposition	NNS
43297	1121	47	and	and	CC
43297	1121	48	molecular	molecular	JJ
43297	1121	49	re	re	NNS
43297	1121	50	-	-	NNS
43297	1121	51	arrangements	arrangement	NNS
43297	1121	52	which	which	WDT
43297	1121	53	occur	occur	VBP
43297	1121	54	in	in	IN
43297	1121	55	consequence	consequence	NN
43297	1121	56	of	of	IN
43297	1121	57	the	the	DT
43297	1121	58	elevated	elevated	JJ
43297	1121	59	temperature	temperature	NN
43297	1121	60	.	.	.
43297	1122	1	There	there	EX
43297	1122	2	are	be	VBP
43297	1122	3	a	a	DT
43297	1122	4	number	number	NN
43297	1122	5	of	of	IN
43297	1122	6	minerals	mineral	NNS
43297	1122	7	which	which	WDT
43297	1122	8	closely	closely	RB
43297	1122	9	resemble	resemble	VBP
43297	1122	10	clayite	clayite	NN
43297	1122	11	or	or	CC
43297	1122	12	pure	pure	JJ
43297	1122	13	clay	clay	NN
43297	1122	14	substance	substance	NN
43297	1122	15	in	in	IN
43297	1122	16	composition	composition	NN
43297	1122	17	,	,	,
43297	1122	18	the	the	DT
43297	1122	19	chief	chief	JJ
43297	1122	20	difference	difference	NN
43297	1122	21	being	be	VBG
43297	1122	22	in	in	IN
43297	1122	23	the	the	DT
43297	1122	24	proportion	proportion	NN
43297	1122	25	of	of	IN
43297	1122	26	water	water	NN
43297	1122	27	they	-PRON-	PRP
43297	1122	28	evolve	evolve	VBP
43297	1122	29	on	on	IN
43297	1122	30	being	be	VBG
43297	1122	31	heated	heat	VBN
43297	1122	32	.	.	.
43297	1123	1	Thus	thus	RB
43297	1123	2	_	_	NNP
43297	1123	3	Rectorite	Rectorite	NNP
43297	1123	4	_	_	NNP
43297	1123	5	H2Al2Si2O8	H2Al2Si2O8	NNP
43297	1123	6	,	,	,
43297	1123	7	_	_	NNP
43297	1123	8	Kaolinite	Kaolinite	NNP
43297	1123	9	_	_	NNP
43297	1123	10	H4Al2Si2O9	H4Al2Si2O9	NNP
43297	1123	11	,	,	,
43297	1123	12	_	_	NNP
43297	1123	13	Halloysite	Halloysite	NNP
43297	1123	14	_	_	NNP
43297	1123	15	H6Al2Si2O10	H6Al2Si2O10	NNP
43297	1123	16	and	and	CC
43297	1123	17	_	_	NNP
43297	1123	18	Newtonite	Newtonite	NNP
43297	1123	19	_	_	NNP
43297	1123	20	H10Al2Si2O12	H10Al2Si2O12	NNP
43297	1123	21	.	.	.
43297	1124	1	In	in	IN
43297	1124	2	the	the	DT
43297	1124	3	crystalline	crystalline	NN
43297	1124	4	form	form	NN
43297	1124	5	these	these	DT
43297	1124	6	minerals	mineral	NNS
43297	1124	7	may	may	MD
43297	1124	8	be	be	VB
43297	1124	9	distinguished	distinguish	VBN
43297	1124	10	from	from	IN
43297	1124	11	each	each	DT
43297	1124	12	other	other	JJ
43297	1124	13	by	by	IN
43297	1124	14	means	mean	NNS
43297	1124	15	of	of	IN
43297	1124	16	the	the	DT
43297	1124	17	microscope	microscope	NN
43297	1124	18	,	,	,
43297	1124	19	but	but	CC
43297	1124	20	as	as	IN
43297	1124	21	the	the	DT
43297	1124	22	chief	chief	JJ
43297	1124	23	materials	material	NNS
43297	1124	24	of	of	IN
43297	1124	25	which	which	WDT
43297	1124	26	clays	clay	NNS
43297	1124	27	are	be	VBP
43297	1124	28	composed	compose	VBN
43297	1124	29	appears	appear	VBZ
43297	1124	30	to	to	TO
43297	1124	31	be	be	VB
43297	1124	32	amorphous	amorphous	JJ
43297	1124	33	it	-PRON-	PRP
43297	1124	34	is	be	VBZ
43297	1124	35	impossible	impossible	JJ
43297	1124	36	to	to	TO
43297	1124	37	ascertain	ascertain	VB
43297	1124	38	with	with	IN
43297	1124	39	certainty	certainty	NN
43297	1124	40	whether	whether	IN
43297	1124	41	a	a	DT
43297	1124	42	given	give	VBN
43297	1124	43	specimen	speciman	NNS
43297	1124	44	of	of	IN
43297	1124	45	clay	clay	NN
43297	1124	46	substance	substance	NN
43297	1124	47	is	be	VBZ
43297	1124	48	composed	compose	VBN
43297	1124	49	of	of	IN
43297	1124	50	a	a	DT
43297	1124	51	mixture	mixture	NN
43297	1124	52	of	of	IN
43297	1124	53	these	these	DT
43297	1124	54	analogous	analogous	JJ
43297	1124	55	minerals	mineral	NNS
43297	1124	56	in	in	IN
43297	1124	57	an	an	DT
43297	1124	58	amorphous	amorphous	JJ
43297	1124	59	form	form	NN
43297	1124	60	or	or	CC
43297	1124	61	whether	whether	IN
43297	1124	62	it	-PRON-	PRP
43297	1124	63	consists	consist	VBZ
43297	1124	64	entirely	entirely	RB
43297	1124	65	of	of	IN
43297	1124	66	clayite	clayite	NN
43297	1124	67	,	,	,
43297	1124	68	_	_	NNP
43297	1124	69	i.e.	i.e.	FW
43297	1124	70	_	_	NNP
43297	1124	71	the	the	DT
43297	1124	72	clay	clay	NN
43297	1124	73	substance	substance	NN
43297	1124	74	obtained	obtain	VBN
43297	1124	75	from	from	IN
43297	1124	76	china	china	NNP
43297	1124	77	clay	clay	NNP
43297	1124	78	.	.	.
43297	1125	1	As	as	IN
43297	1125	2	already	already	RB
43297	1125	3	stated	state	VBN
43297	1125	4	,	,	,
43297	1125	5	the	the	DT
43297	1125	6	thermal	thermal	JJ
43297	1125	7	reactions	reaction	NNS
43297	1125	8	which	which	WDT
43297	1125	9	occur	occur	VBP
43297	1125	10	on	on	IN
43297	1125	11	heating	heating	NN
43297	1125	12	clayite	clayite	NN
43297	1125	13	appear	appear	VB
43297	1125	14	to	to	TO
43297	1125	15	be	be	VB
43297	1125	16	characteristic	characteristic	JJ
43297	1125	17	of	of	IN
43297	1125	18	kaolinite	kaolinite	NNP
43297	1125	19	whilst	whilst	IN
43297	1125	20	halloysite	halloysite	NNP
43297	1125	21	is	be	VBZ
43297	1125	22	completely	completely	RB
43297	1125	23	decomposed	decompose	VBN
43297	1125	24	at	at	IN
43297	1125	25	a	a	DT
43297	1125	26	temperature	temperature	NN
43297	1125	27	somewhat	somewhat	RB
43297	1125	28	below	below	IN
43297	1125	29	200	200	CD
43297	1125	30	°	°	,
43297	1125	31	C.	C.	NNP
43297	1125	32	;	;	:
43297	1125	33	but	but	CC
43297	1125	34	the	the	DT
43297	1125	35	not	not	RB
43297	1125	36	improbable	improbable	JJ
43297	1125	37	presence	presence	NN
43297	1125	38	of	of	IN
43297	1125	39	two	two	CD
43297	1125	40	or	or	CC
43297	1125	41	more	more	JJR
43297	1125	42	of	of	IN
43297	1125	43	these	these	DT
43297	1125	44	alumino	alumino	JJ
43297	1125	45	-	-	HYPH
43297	1125	46	silicic	silicic	NN
43297	1125	47	acids	acid	NNS
43297	1125	48	in	in	IN
43297	1125	49	clays	clay	NNS
43297	1125	50	of	of	IN
43297	1125	51	secondary	secondary	JJ
43297	1125	52	or	or	CC
43297	1125	53	multary	multary	JJ
43297	1125	54	origin	origin	NN
43297	1125	55	makes	make	VBZ
43297	1125	56	it	-PRON-	PRP
43297	1125	57	almost	almost	RB
43297	1125	58	impossible	impossible	JJ
43297	1125	59	to	to	TO
43297	1125	60	determine	determine	VB
43297	1125	61	whether	whether	IN
43297	1125	62	clayite	clayite	NN
43297	1125	63	is	be	VBZ
43297	1125	64	an	an	DT
43297	1125	65	essential	essential	JJ
43297	1125	66	constituent	constituent	NN
43297	1125	67	of	of	IN
43297	1125	68	all	all	DT
43297	1125	69	clays	clay	NNS
43297	1125	70	or	or	CC
43297	1125	71	whether	whether	IN
43297	1125	72	the	the	DT
43297	1125	73	purest	pure	JJS
43297	1125	74	clay	clay	NN
43297	1125	75	substance	substance	NN
43297	1125	76	(	(	-LRB-
43297	1125	77	pelinite	pelinite	NNP
43297	1125	78	)	)	-RRB-
43297	1125	79	obtained	obtain	VBN
43297	1125	80	from	from	IN
43297	1125	81	some	some	DT
43297	1125	82	of	of	IN
43297	1125	83	the	the	DT
43297	1125	84	more	more	RBR
43297	1125	85	plastic	plastic	JJ
43297	1125	86	clays	clay	NNS
43297	1125	87	does	do	VBZ
43297	1125	88	not	not	RB
43297	1125	89	possess	possess	VB
43297	1125	90	a	a	DT
43297	1125	91	different	different	JJ
43297	1125	92	chemical	chemical	JJ
43297	1125	93	composition	composition	NN
43297	1125	94	as	as	RB
43297	1125	95	well	well	RB
43297	1125	96	as	as	IN
43297	1125	97	different	different	JJ
43297	1125	98	physical	physical	JJ
43297	1125	99	properties	property	NNS
43297	1125	100	.	.	.
43297	1126	1	The	the	DT
43297	1126	2	view	view	NN
43297	1126	3	that	that	IN
43297	1126	4	clays	clay	NNS
43297	1126	5	may	may	MD
43297	1126	6	be	be	VB
43297	1126	7	regarded	regard	VBN
43297	1126	8	as	as	IN
43297	1126	9	impure	impure	NN
43297	1126	10	varieties	variety	NNS
43297	1126	11	of	of	IN
43297	1126	12	clayite	clayite	NNP
43297	1126	13	is	be	VBZ
43297	1126	14	considered	consider	VBN
43297	1126	15	erroneous	erroneous	JJ
43297	1126	16	by	by	IN
43297	1126	17	several	several	JJ
43297	1126	18	investigators	investigator	NNS
43297	1126	19	for	for	IN
43297	1126	20	various	various	JJ
43297	1126	21	reasons	reason	NNS
43297	1126	22	.	.	.
43297	1127	1	For	for	IN
43297	1127	2	instance	instance	NN
43297	1127	3	,	,	,
43297	1127	4	felspar	felspar	NN
43297	1127	5	is	be	VBZ
43297	1127	6	rarely	rarely	RB
43297	1127	7	found	find	VBN
43297	1127	8	in	in	IN
43297	1127	9	china	china	NNP
43297	1127	10	clays	clay	NNS
43297	1127	11	,	,	,
43297	1127	12	but	but	CC
43297	1127	13	is	be	VBZ
43297	1127	14	a	a	DT
43297	1127	15	common	common	JJ
43297	1127	16	constituent	constituent	NN
43297	1127	17	of	of	IN
43297	1127	18	secondary	secondary	JJ
43297	1127	19	(	(	-LRB-
43297	1127	20	plastic	plastic	NN
43297	1127	21	)	)	-RRB-
43297	1127	22	clays	clay	NNS
43297	1127	23	.	.	.
43297	1128	1	J.	J.	NNP
43297	1128	2	M.	M.	NNP
43297	1128	3	van	van	NNP
43297	1128	4	Bemmelen	Bemmelen	NNP
43297	1128	5	(	(	-LRB-
43297	1128	6	26	26	CD
43297	1128	7	)	)	-RRB-
43297	1128	8	,	,	,
43297	1128	9	who	who	WP
43297	1128	10	has	have	VBZ
43297	1128	11	found	find	VBN
43297	1128	12	that	that	IN
43297	1128	13	the	the	DT
43297	1128	14	alumina	alumina	NNP
43297	1128	15	-	-	HYPH
43297	1128	16	silica	silica	NNP
43297	1128	17	ratio	ratio	NN
43297	1128	18	of	of	IN
43297	1128	19	clays	clay	NNS
43297	1128	20	produced	produce	VBN
43297	1128	21	by	by	IN
43297	1128	22	weathering	weather	VBG
43297	1128	23	is	be	VBZ
43297	1128	24	always	always	RB
43297	1128	25	higher	high	JJR
43297	1128	26	than	than	IN
43297	1128	27	that	that	DT
43297	1128	28	in	in	IN
43297	1128	29	clays	clay	NNS
43297	1128	30	of	of	IN
43297	1128	31	the	the	DT
43297	1128	32	china	china	NNP
43297	1128	33	clay	clay	NN
43297	1128	34	type	type	NN
43297	1128	35	produced	produce	VBN
43297	1128	36	by	by	IN
43297	1128	37	hypogenic	hypogenic	JJ
43297	1128	38	action	action	NN
43297	1128	39	.	.	.
43297	1129	1	In	in	IN
43297	1129	2	a	a	DT
43297	1129	3	number	number	NN
43297	1129	4	of	of	IN
43297	1129	5	clays	clay	NNS
43297	1129	6	examined	examine	VBN
43297	1129	7	he	-PRON-	PRP
43297	1129	8	found	find	VBD
43297	1129	9	that	that	IN
43297	1129	10	a	a	DT
43297	1129	11	portion	portion	NN
43297	1129	12	was	be	VBD
43297	1129	13	soluble	soluble	JJ
43297	1129	14	in	in	IN
43297	1129	15	boiling	boil	VBG
43297	1129	16	hydrochloric	hydrochloric	JJ
43297	1129	17	acid	acid	NN
43297	1129	18	whereas	whereas	IN
43297	1129	19	clayite	clayite	NNP
43297	1129	20	is	be	VBZ
43297	1129	21	scarcely	scarcely	RB
43297	1129	22	affected	affect	VBN
43297	1129	23	by	by	IN
43297	1129	24	this	this	DT
43297	1129	25	treatment	treatment	NN
43297	1129	26	.	.	.
43297	1130	1	He	-PRON-	PRP
43297	1130	2	also	also	RB
43297	1130	3	found	find	VBD
43297	1130	4	a	a	DT
43297	1130	5	varying	varying	JJ
43297	1130	6	proportion	proportion	NN
43297	1130	7	of	of	IN
43297	1130	8	alumino	alumino	JJ
43297	1130	9	-	-	HYPH
43297	1130	10	silicate	silicate	NN
43297	1130	11	insoluble	insoluble	NN
43297	1130	12	in	in	IN
43297	1130	13	hydrochloric	hydrochloric	JJ
43297	1130	14	acid	acid	NN
43297	1130	15	but	but	CC
43297	1130	16	dissolved	dissolve	VBN
43297	1130	17	on	on	IN
43297	1130	18	treatment	treatment	NN
43297	1130	19	with	with	IN
43297	1130	20	boiling	boil	VBG
43297	1130	21	sulphuric	sulphuric	JJ
43297	1130	22	acid	acid	NN
43297	1130	23	and	and	CC
43297	1130	24	subsequently	subsequently	RB
43297	1130	25	with	with	IN
43297	1130	26	caustic	caustic	JJ
43297	1130	27	soda	soda	NN
43297	1130	28	solution	solution	NN
43297	1130	29	;	;	:
43297	1130	30	this	this	DT
43297	1130	31	latter	latter	NN
43297	1130	32	he	-PRON-	PRP
43297	1130	33	considers	consider	VBZ
43297	1130	34	to	to	TO
43297	1130	35	be	be	VB
43297	1130	36	true	true	JJ
43297	1130	37	clayite	clayite	NN
43297	1130	38	.	.	.
43297	1131	1	Unfortunately	unfortunately	RB
43297	1131	2	,	,	,
43297	1131	3	his	-PRON-	PRP$
43297	1131	4	results	result	NNS
43297	1131	5	were	be	VBD
43297	1131	6	obtained	obtain	VBN
43297	1131	7	by	by	IN
43297	1131	8	treating	treat	VBG
43297	1131	9	the	the	DT
43297	1131	10	crude	crude	JJ
43297	1131	11	clay	clay	NN
43297	1131	12	with	with	IN
43297	1131	13	acid	acid	NN
43297	1131	14	,	,	,
43297	1131	15	instead	instead	RB
43297	1131	16	of	of	IN
43297	1131	17	first	first	RB
43297	1131	18	removing	remove	VBG
43297	1131	19	such	such	JJ
43297	1131	20	non	non	JJ
43297	1131	21	-	-	JJ
43297	1131	22	plastic	plastic	JJ
43297	1131	23	materials	material	NNS
43297	1131	24	as	as	IN
43297	1131	25	can	can	MD
43297	1131	26	be	be	VB
43297	1131	27	separated	separate	VBN
43297	1131	28	by	by	IN
43297	1131	29	washing	wash	VBG
43297	1131	30	,	,	,
43297	1131	31	so	so	IN
43297	1131	32	that	that	IN
43297	1131	33	all	all	DT
43297	1131	34	that	that	WDT
43297	1131	35	they	-PRON-	PRP
43297	1131	36	show	show	VBP
43297	1131	37	is	be	VBZ
43297	1131	38	that	that	IN
43297	1131	39	some	some	DT
43297	1131	40	clays	clay	NNS
43297	1131	41	contain	contain	VBP
43297	1131	42	alumino	alumino	JJ
43297	1131	43	-	-	HYPH
43297	1131	44	silicates	silicate	NNS
43297	1131	45	of	of	IN
43297	1131	46	a	a	DT
43297	1131	47	nature	nature	NN
43297	1131	48	distinct	distinct	JJ
43297	1131	49	from	from	IN
43297	1131	50	clayite	clayite	NNP
43297	1131	51	in	in	IN
43297	1131	52	addition	addition	NN
43297	1131	53	to	to	IN
43297	1131	54	any	any	DT
43297	1131	55	clayite	clayite	NN
43297	1131	56	which	which	WDT
43297	1131	57	may	may	MD
43297	1131	58	be	be	VB
43297	1131	59	found	find	VBN
43297	1131	60	in	in	IN
43297	1131	61	them	-PRON-	PRP
43297	1131	62	.	.	.
43297	1132	1	The	the	DT
43297	1132	2	fact	fact	NN
43297	1132	3	that	that	IN
43297	1132	4	all	all	DT
43297	1132	5	clays	clay	NNS
43297	1132	6	when	when	WRB
43297	1132	7	heated	heat	VBN
43297	1132	8	to	to	IN
43297	1132	9	700	700	CD
43297	1132	10	or	or	CC
43297	1132	11	800	800	CD
43297	1132	12	°	°	NNS
43297	1132	13	C.	C.	NNP
43297	1132	14	readily	readily	RB
43297	1132	15	react	react	VBP
43297	1132	16	with	with	IN
43297	1132	17	lime	lime	NN
43297	1132	18	-	-	HYPH
43297	1132	19	water	water	NN
43297	1132	20	to	to	TO
43297	1132	21	form	form	VB
43297	1132	22	the	the	DT
43297	1132	23	same	same	JJ
43297	1132	24	calcium	calcium	NN
43297	1132	25	silicates	silicate	NNS
43297	1132	26	and	and	CC
43297	1132	27	aluminates	aluminate	NNS
43297	1132	28	indicates	indicate	VBZ
43297	1132	29	so	so	RB
43297	1132	30	close	close	JJ
43297	1132	31	a	a	DT
43297	1132	32	resemblance	resemblance	NN
43297	1132	33	between	between	IN
43297	1132	34	the	the	DT
43297	1132	35	clay	clay	NN
43297	1132	36	substance	substance	NN
43297	1132	37	obtainable	obtainable	JJ
43297	1132	38	from	from	IN
43297	1132	39	different	different	JJ
43297	1132	40	sources	source	NNS
43297	1132	41	as	as	IN
43297	1132	42	to	to	TO
43297	1132	43	constitute	constitute	VB
43297	1132	44	strong	strong	JJ
43297	1132	45	evidence	evidence	NN
43297	1132	46	of	of	IN
43297	1132	47	the	the	DT
43297	1132	48	identity	identity	NN
43297	1132	49	of	of	IN
43297	1132	50	this	this	DT
43297	1132	51	substance	substance	NN
43297	1132	52	with	with	IN
43297	1132	53	clayite	clayite	NN
43297	1132	54	or	or	CC
43297	1132	55	with	with	IN
43297	1132	56	materials	material	NNS
43297	1132	57	so	so	RB
43297	1132	58	analogous	analogous	JJ
43297	1132	59	to	to	IN
43297	1132	60	it	-PRON-	PRP
43297	1132	61	as	as	IN
43297	1132	62	to	to	TO
43297	1132	63	be	be	VB
43297	1132	64	indistinguishable	indistinguishable	JJ
43297	1132	65	from	from	IN
43297	1132	66	it	-PRON-	PRP
43297	1132	67	under	under	IN
43297	1132	68	present	present	JJ
43297	1132	69	conditions	condition	NNS
43297	1132	70	.	.	.
43297	1133	1	In	in	IN
43297	1133	2	all	all	DT
43297	1133	3	probability	probability	NN
43297	1133	4	,	,	,
43297	1133	5	the	the	DT
43297	1133	6	plastic	plastic	NN
43297	1133	7	clays	clay	NNS
43297	1133	8	have	have	VBP
43297	1133	9	been	be	VBN
43297	1133	10	derived	derive	VBN
43297	1133	11	from	from	IN
43297	1133	12	a	a	DT
43297	1133	13	somewhat	somewhat	RB
43297	1133	14	greater	great	JJR
43297	1133	15	variety	variety	NN
43297	1133	16	of	of	IN
43297	1133	17	minerals	mineral	NNS
43297	1133	18	than	than	IN
43297	1133	19	the	the	DT
43297	1133	20	primary	primary	JJ
43297	1133	21	clays	clay	NNS
43297	1133	22	(	(	-LRB-
43297	1133	23	p.	p.	NN
43297	1133	24	71	71	CD
43297	1133	25	)	)	-RRB-
43297	1133	26	and	and	CC
43297	1133	27	under	under	IN
43297	1133	28	conditions	condition	NNS
43297	1133	29	of	of	IN
43297	1133	30	decomposition	decomposition	NN
43297	1133	31	which	which	WDT
43297	1133	32	differ	differ	VBP
43297	1133	33	in	in	IN
43297	1133	34	details	detail	NNS
43297	1133	35	,	,	,
43297	1133	36	though	though	IN
43297	1133	37	broadly	broadly	RB
43297	1133	38	of	of	IN
43297	1133	39	the	the	DT
43297	1133	40	same	same	JJ
43297	1133	41	nature	nature	NN
43297	1133	42	as	as	IN
43297	1133	43	those	those	DT
43297	1133	44	producing	produce	VBG
43297	1133	45	china	china	NNP
43297	1133	46	clays	clay	NNS
43297	1133	47	.	.	.
43297	1134	1	The	the	DT
43297	1134	2	presence	presence	NN
43297	1134	3	of	of	IN
43297	1134	4	colloidal	colloidal	JJ
43297	1134	5	matter	matter	NN
43297	1134	6	suggests	suggest	VBZ
43297	1134	7	a	a	DT
43297	1134	8	more	more	RBR
43297	1134	9	vigorous	vigorous	JJ
43297	1134	10	action	action	NN
43297	1134	11	--	--	:
43297	1134	12	or	or	CC
43297	1134	13	even	even	RB
43297	1134	14	a	a	DT
43297	1134	15	precipitation	precipitation	NN
43297	1134	16	from	from	IN
43297	1134	17	solution	solution	NN
43297	1134	18	--	--	:
43297	1134	19	instead	instead	RB
43297	1134	20	of	of	IN
43297	1134	21	the	the	DT
43297	1134	22	slower	slow	JJR
43297	1134	23	reactions	reaction	NNS
43297	1134	24	which	which	WDT
43297	1134	25	result	result	VBP
43297	1134	26	in	in	IN
43297	1134	27	the	the	DT
43297	1134	28	formation	formation	NN
43297	1134	29	of	of	IN
43297	1134	30	the	the	DT
43297	1134	31	kaolinite	kaolinite	NNP
43297	1134	32	crystals	crystal	NNS
43297	1134	33	.	.	.
43297	1135	1	The	the	DT
43297	1135	2	much	much	RB
43297	1135	3	smaller	small	JJR
43297	1135	4	particles	particle	NNS
43297	1135	5	present	present	JJ
43297	1135	6	in	in	IN
43297	1135	7	plastic	plastic	JJ
43297	1135	8	clays	clay	NNS
43297	1135	9	also	also	RB
43297	1135	10	indicate	indicate	VBP
43297	1135	11	a	a	DT
43297	1135	12	more	more	RBR
43297	1135	13	complete	complete	JJ
43297	1135	14	grinding	grinding	NN
43297	1135	15	during	during	IN
43297	1135	16	the	the	DT
43297	1135	17	transportation	transportation	NN
43297	1135	18	of	of	IN
43297	1135	19	the	the	DT
43297	1135	20	material	material	NN
43297	1135	21	or	or	CC
43297	1135	22	some	some	DT
43297	1135	23	form	form	NN
43297	1135	24	of	of	IN
43297	1135	25	precipitation	precipitation	NN
43297	1135	26	.	.	.
43297	1136	1	If	if	IN
43297	1136	2	,	,	,
43297	1136	3	as	as	IN
43297	1136	4	Hickling	Hickling	NNP
43297	1136	5	suggests	suggest	VBZ
43297	1136	6	,	,	,
43297	1136	7	all	all	DT
43297	1136	8	clays	clay	NNS
43297	1136	9	are	be	VBP
43297	1136	10	direct	direct	JJ
43297	1136	11	products	product	NNS
43297	1136	12	of	of	IN
43297	1136	13	the	the	DT
43297	1136	14	decomposition	decomposition	NN
43297	1136	15	of	of	IN
43297	1136	16	_	_	NNP
43297	1136	17	mica	mica	NNP
43297	1136	18	_	_	NNP
43297	1136	19	,	,	,
43297	1136	20	the	the	DT
43297	1136	21	fact	fact	NN
43297	1136	22	that	that	IN
43297	1136	23	several	several	JJ
43297	1136	24	varieties	variety	NNS
43297	1136	25	of	of	IN
43297	1136	26	mica	mica	NNP
43297	1136	27	are	be	VBP
43297	1136	28	known	know	VBN
43297	1136	29	and	and	CC
43297	1136	30	that	that	IN
43297	1136	31	the	the	DT
43297	1136	32	conditions	condition	NNS
43297	1136	33	under	under	IN
43297	1136	34	which	which	WDT
43297	1136	35	these	these	DT
43297	1136	36	decompose	decompose	NN
43297	1136	37	must	must	MD
43297	1136	38	vary	vary	VB
43297	1136	39	considerably	considerably	RB
43297	1136	40	,	,	,
43297	1136	41	afford	afford	VB
43297	1136	42	a	a	DT
43297	1136	43	good	good	JJ
43297	1136	44	,	,	,
43297	1136	45	if	if	IN
43297	1136	46	incomplete	incomplete	JJ
43297	1136	47	,	,	,
43297	1136	48	explanation	explanation	NN
43297	1136	49	of	of	IN
43297	1136	50	some	some	DT
43297	1136	51	of	of	IN
43297	1136	52	the	the	DT
43297	1136	53	widely	widely	RB
43297	1136	54	diverse	diverse	JJ
43297	1136	55	characteristics	characteristic	NNS
43297	1136	56	observed	observe	VBN
43297	1136	57	in	in	IN
43297	1136	58	different	different	JJ
43297	1136	59	clays	clay	NNS
43297	1136	60	.	.	.
43297	1137	1	Notwithstanding	notwithstanding	IN
43297	1137	2	the	the	DT
43297	1137	3	great	great	JJ
43297	1137	4	complexities	complexity	NNS
43297	1137	5	of	of	IN
43297	1137	6	the	the	DT
43297	1137	7	whole	whole	JJ
43297	1137	8	subject	subject	NN
43297	1137	9	and	and	CC
43297	1137	10	the	the	DT
43297	1137	11	apparently	apparently	RB
43297	1137	12	contradictory	contradictory	JJ
43297	1137	13	evidence	evidence	NN
43297	1137	14	concerning	concern	VBG
43297	1137	15	some	some	DT
43297	1137	16	clays	clay	NNS
43297	1137	17	,	,	,
43297	1137	18	there	there	EX
43297	1137	19	is	be	VBZ
43297	1137	20	a	a	DT
43297	1137	21	wide	wide	JJ
43297	1137	22	-	-	HYPH
43297	1137	23	spread	spread	NN
43297	1137	24	feeling	feeling	NN
43297	1137	25	that	that	IN
43297	1137	26	whatever	whatever	WDT
43297	1137	27	may	may	MD
43297	1137	28	be	be	VB
43297	1137	29	the	the	DT
43297	1137	30	mineral	mineral	NN
43297	1137	31	from	from	IN
43297	1137	32	which	which	WDT
43297	1137	33	a	a	DT
43297	1137	34	given	give	VBN
43297	1137	35	clay	clay	NN
43297	1137	36	has	have	VBZ
43297	1137	37	been	be	VBN
43297	1137	38	derived	derive	VBN
43297	1137	39	,	,	,
43297	1137	40	the	the	DT
43297	1137	41	_	_	NNP
43297	1137	42	true	true	JJ
43297	1137	43	clay	clay	NN
43297	1137	44	substance	substance	NN
43297	1137	45	_	_	NNP
43297	1137	46	,	,	,
43297	1137	47	which	which	WDT
43297	1137	48	is	be	VBZ
43297	1137	49	its	-PRON-	PRP$
43297	1137	50	essential	essential	JJ
43297	1137	51	constituent	constituent	NN
43297	1137	52	,	,	,
43297	1137	53	would	would	MD
43297	1137	54	(	(	-LRB-
43297	1137	55	if	if	IN
43297	1137	56	it	-PRON-	PRP
43297	1137	57	could	could	MD
43297	1137	58	be	be	VB
43297	1137	59	isolated	isolate	VBN
43297	1137	60	in	in	IN
43297	1137	61	a	a	DT
43297	1137	62	pure	pure	JJ
43297	1137	63	state	state	NN
43297	1137	64	)	)	-RRB-
43297	1137	65	prove	prove	VBP
43297	1137	66	to	to	TO
43297	1137	67	be	be	VB
43297	1137	68	of	of	IN
43297	1137	69	the	the	DT
43297	1137	70	same	same	JJ
43297	1137	71	composition	composition	NN
43297	1137	72	as	as	IN
43297	1137	73	kaolinite	kaolinite	NNP
43297	1137	74	obtainable	obtainable	JJ
43297	1137	75	from	from	IN
43297	1137	76	china	china	NNP
43297	1137	77	clay	clay	NN
43297	1137	78	of	of	IN
43297	1137	79	exceptional	exceptional	JJ
43297	1137	80	purity	purity	NN
43297	1137	81	.	.	.
43297	1138	1	The	the	DT
43297	1138	2	purest	pure	JJS
43297	1138	3	clay	clay	NN
43297	1138	4	substances	substance	NNS
43297	1138	5	(	(	-LRB-
43297	1138	6	pelinite	pelinite	NNP
43297	1138	7	)	)	-RRB-
43297	1138	8	yet	yet	CC
43297	1138	9	obtained	obtain	VBN
43297	1138	10	from	from	IN
43297	1138	11	some	some	DT
43297	1138	12	of	of	IN
43297	1138	13	the	the	DT
43297	1138	14	most	most	RBS
43297	1138	15	plastic	plastic	JJ
43297	1138	16	clays	clay	NNS
43297	1138	17	are	be	VBP
43297	1138	18	,	,	,
43297	1138	19	however	however	RB
43297	1138	20	,	,	,
43297	1138	21	so	so	CC
43297	1138	22	impure	impure	VB
43297	1138	23	as	as	IN
43297	1138	24	to	to	TO
43297	1138	25	make	make	VB
43297	1138	26	any	any	DT
43297	1138	27	detailed	detailed	JJ
43297	1138	28	investigation	investigation	NN
43297	1138	29	of	of	IN
43297	1138	30	their	-PRON-	PRP$
43297	1138	31	composition	composition	NN
43297	1138	32	by	by	IN
43297	1138	33	present	present	JJ
43297	1138	34	methods	method	NNS
43297	1138	35	abortive	abortive	JJ
43297	1138	36	.	.	.
43297	1139	1	The	the	DT
43297	1139	2	methods	method	NNS
43297	1139	3	of	of	IN
43297	1139	4	synthesis	synthesis	NN
43297	1139	5	which	which	WDT
43297	1139	6	have	have	VBP
43297	1139	7	proved	prove	VBN
43297	1139	8	so	so	RB
43297	1139	9	successful	successful	JJ
43297	1139	10	in	in	IN
43297	1139	11	organic	organic	JJ
43297	1139	12	chemistry	chemistry	NN
43297	1139	13	have	have	VBP
43297	1139	14	hitherto	hitherto	VBN
43297	1139	15	yielded	yield	VBN
43297	1139	16	few	few	JJ
43297	1139	17	intelligible	intelligible	JJ
43297	1139	18	results	result	NNS
43297	1139	19	with	with	IN
43297	1139	20	clays	clay	NNS
43297	1139	21	,	,	,
43297	1139	22	on	on	IN
43297	1139	23	account	account	NN
43297	1139	24	of	of	IN
43297	1139	25	the	the	DT
43297	1139	26	complexity	complexity	NN
43297	1139	27	of	of	IN
43297	1139	28	the	the	DT
43297	1139	29	accessory	accessory	JJ
43297	1139	30	reactions	reaction	NNS
43297	1139	31	which	which	WDT
43297	1139	32	occur	occur	VBP
43297	1139	33	.	.	.
43297	1140	1	The	the	DT
43297	1140	2	Difference	Difference	NNP
43297	1140	3	between	between	IN
43297	1140	4	Pure	Pure	NNP
43297	1140	5	Clay	Clay	NNP
43297	1140	6	Substance	Substance	NNP
43297	1140	7	and	and	CC
43297	1140	8	Ordinary	Ordinary	NNP
43297	1140	9	Clays	clay	NNS
43297	1140	10	.	.	.
43297	1141	1	The	the	DT
43297	1141	2	properties	property	NNS
43297	1141	3	and	and	CC
43297	1141	4	characteristics	characteristic	NNS
43297	1141	5	of	of	IN
43297	1141	6	_	_	NNP
43297	1141	7	true	true	JJ
43297	1141	8	clay	clay	NN
43297	1141	9	_	_	NNP
43297	1141	10	are	be	VBP
43297	1141	11	very	very	RB
43297	1141	12	seriously	seriously	RB
43297	1141	13	modified	modify	VBN
43297	1141	14	by	by	IN
43297	1141	15	other	other	JJ
43297	1141	16	materials	material	NNS
43297	1141	17	which	which	WDT
43297	1141	18	may	may	MD
43297	1141	19	be	be	VB
43297	1141	20	associated	associate	VBN
43297	1141	21	with	with	IN
43297	1141	22	it	-PRON-	PRP
43297	1141	23	.	.	.
43297	1142	1	This	this	DT
43297	1142	2	may	may	MD
43297	1142	3	be	be	VB
43297	1142	4	perceived	perceive	VBN
43297	1142	5	by	by	IN
43297	1142	6	comparing	compare	VBG
43297	1142	7	the	the	DT
43297	1142	8	properties	property	NNS
43297	1142	9	of	of	IN
43297	1142	10	clays	clay	NNS
43297	1142	11	mentioned	mention	VBN
43297	1142	12	in	in	IN
43297	1142	13	Chapter	chapter	NN
43297	1142	14	I	-PRON-	PRP
43297	1142	15	with	with	IN
43297	1142	16	those	those	DT
43297	1142	17	of	of	IN
43297	1142	18	various	various	JJ
43297	1142	19	forms	form	NNS
43297	1142	20	of	of	IN
43297	1142	21	true	true	JJ
43297	1142	22	clay	clay	NN
43297	1142	23	just	just	RB
43297	1142	24	given	give	VBN
43297	1142	25	.	.	.
43297	1143	1	Moreover	moreover	RB
43297	1143	2	,	,	,
43297	1143	3	as	as	IN
43297	1143	4	true	true	JJ
43297	1143	5	clay	clay	NN
43297	1143	6	never	never	RB
43297	1143	7	occurs	occur	VBZ
43297	1143	8	in	in	IN
43297	1143	9	a	a	DT
43297	1143	10	perfectly	perfectly	RB
43297	1143	11	pure	pure	JJ
43297	1143	12	state	state	NN
43297	1143	13	in	in	IN
43297	1143	14	nature	nature	NN
43297	1143	15	,	,	,
43297	1143	16	the	the	DT
43297	1143	17	properties	property	NNS
43297	1143	18	of	of	IN
43297	1143	19	clays	clay	NNS
43297	1143	20	must	must	MD
43297	1143	21	be	be	VB
43297	1143	22	largely	largely	RB
43297	1143	23	dependent	dependent	JJ
43297	1143	24	on	on	IN
43297	1143	25	the	the	DT
43297	1143	26	accessory	accessory	JJ
43297	1143	27	ingredients	ingredient	NNS
43297	1143	28	.	.	.
43297	1144	1	Silica	Silica	NNP
43297	1144	2	,	,	,
43297	1144	3	for	for	IN
43297	1144	4	example	example	NN
43297	1144	5	,	,	,
43297	1144	6	when	when	WRB
43297	1144	7	alone	alone	RB
43297	1144	8	is	be	VBZ
43297	1144	9	a	a	DT
43297	1144	10	highly	highly	RB
43297	1144	11	refractory	refractory	JJ
43297	1144	12	material	material	NN
43297	1144	13	,	,	,
43297	1144	14	but	but	CC
43297	1144	15	in	in	IN
43297	1144	16	the	the	DT
43297	1144	17	presence	presence	NN
43297	1144	18	of	of	IN
43297	1144	19	true	true	JJ
43297	1144	20	clay	clay	NN
43297	1144	21	it	-PRON-	PRP
43297	1144	22	reduces	reduce	VBZ
43297	1144	23	the	the	DT
43297	1144	24	refractoriness	refractoriness	NN
43297	1144	25	of	of	IN
43297	1144	26	the	the	DT
43297	1144	27	latter	latter	JJ
43297	1144	28	.	.	.
43297	1145	1	Lime	Lime	NNP
43297	1145	2	has	have	VBZ
43297	1145	3	a	a	DT
43297	1145	4	similar	similar	JJ
43297	1145	5	effect	effect	NN
43297	1145	6	though	though	IN
43297	1145	7	its	-PRON-	PRP$
43297	1145	8	chemical	chemical	NN
43297	1145	9	action	action	NN
43297	1145	10	on	on	IN
43297	1145	11	the	the	DT
43297	1145	12	clay	clay	NN
43297	1145	13	is	be	VBZ
43297	1145	14	entirely	entirely	RB
43297	1145	15	different	different	JJ
43297	1145	16	.	.	.
43297	1146	1	A	a	DT
43297	1146	2	very	very	RB
43297	1146	3	small	small	JJ
43297	1146	4	proportion	proportion	NN
43297	1146	5	of	of	IN
43297	1146	6	some	some	DT
43297	1146	7	substances	substance	NNS
43297	1146	8	--	--	:
43297	1146	9	notably	notably	RB
43297	1146	10	the	the	DT
43297	1146	11	oxides	oxide	NNS
43297	1146	12	of	of	IN
43297	1146	13	sodium	sodium	NN
43297	1146	14	and	and	CC
43297	1146	15	potassium	potassium	NN
43297	1146	16	--	--	:
43297	1146	17	will	will	MD
43297	1146	18	greatly	greatly	RB
43297	1146	19	alter	alter	VB
43297	1146	20	the	the	DT
43297	1146	21	behaviour	behaviour	NN
43297	1146	22	of	of	IN
43297	1146	23	true	true	JJ
43297	1146	24	clay	clay	NN
43297	1146	25	when	when	WRB
43297	1146	26	heated	heat	VBN
43297	1146	27	and	and	CC
43297	1146	28	will	will	MD
43297	1146	29	produce	produce	VB
43297	1146	30	an	an	DT
43297	1146	31	impervious	impervious	JJ
43297	1146	32	mass	mass	NN
43297	1146	33	in	in	IN
43297	1146	34	place	place	NN
43297	1146	35	of	of	IN
43297	1146	36	a	a	DT
43297	1146	37	porous	porous	JJ
43297	1146	38	one	one	NN
43297	1146	39	.	.	.
43297	1147	1	For	for	IN
43297	1147	2	these	these	DT
43297	1147	3	reasons	reason	NNS
43297	1147	4	,	,	,
43297	1147	5	it	-PRON-	PRP
43297	1147	6	is	be	VBZ
43297	1147	7	necessary	necessary	JJ
43297	1147	8	in	in	IN
43297	1147	9	studying	study	VBG
43297	1147	10	clays	clay	NNS
43297	1147	11	to	to	TO
43297	1147	12	pay	pay	VB
43297	1147	13	attention	attention	NN
43297	1147	14	to	to	IN
43297	1147	15	both	both	CC
43297	1147	16	their	-PRON-	PRP$
43297	1147	17	physical	physical	JJ
43297	1147	18	and	and	CC
43297	1147	19	chemical	chemical	NN
43297	1147	20	properties	property	NNS
43297	1147	21	and	and	CC
43297	1147	22	to	to	TO
43297	1147	23	separate	separate	VB
43297	1147	24	the	the	DT
43297	1147	25	material	material	NN
43297	1147	26	into	into	IN
43297	1147	27	fractions	fraction	NNS
43297	1147	28	so	so	IN
43297	1147	29	that	that	IN
43297	1147	30	each	each	DT
43297	1147	31	of	of	IN
43297	1147	32	these	these	DT
43297	1147	33	may	may	MD
43297	1147	34	be	be	VB
43297	1147	35	studied	study	VBN
43297	1147	36	separately	separately	RB
43297	1147	37	and	and	CC
43297	1147	38	their	-PRON-	PRP$
43297	1147	39	individual	individual	NN
43297	1147	40	as	as	RB
43297	1147	41	well	well	RB
43297	1147	42	as	as	IN
43297	1147	43	their	-PRON-	PRP$
43297	1147	44	collective	collective	JJ
43297	1147	45	characteristics	characteristic	NNS
43297	1147	46	ascertained	ascertain	VBN
43297	1147	47	.	.	.
43297	1148	1	Failure	failure	NN
43297	1148	2	to	to	TO
43297	1148	3	do	do	VB
43297	1148	4	this	this	DT
43297	1148	5	has	have	VBZ
43297	1148	6	been	be	VBN
43297	1148	7	the	the	DT
43297	1148	8	cause	cause	NN
43297	1148	9	of	of	IN
43297	1148	10	much	much	JJ
43297	1148	11	obscurity	obscurity	NN
43297	1148	12	and	and	CC
43297	1148	13	confusion	confusion	NN
43297	1148	14	in	in	IN
43297	1148	15	investigations	investigation	NNS
43297	1148	16	on	on	IN
43297	1148	17	certain	certain	JJ
43297	1148	18	clays	clay	NNS
43297	1148	19	composed	compose	VBN
43297	1148	20	of	of	IN
43297	1148	21	a	a	DT
43297	1148	22	considerable	considerable	JJ
43297	1148	23	proportion	proportion	NN
43297	1148	24	of	of	IN
43297	1148	25	non	non	JJ
43297	1148	26	-	-	JJ
43297	1148	27	argillaceous	argillaceous	JJ
43297	1148	28	material	material	NN
43297	1148	29	which	which	WDT
43297	1148	30	ought	ought	MD
43297	1148	31	to	to	TO
43297	1148	32	have	have	VB
43297	1148	33	been	be	VBN
43297	1148	34	separated	separate	VBN
43297	1148	35	before	before	IN
43297	1148	36	any	any	DT
43297	1148	37	attempt	attempt	NN
43297	1148	38	was	be	VBD
43297	1148	39	made	make	VBN
43297	1148	40	to	to	TO
43297	1148	41	study	study	VB
43297	1148	42	the	the	DT
43297	1148	43	true	true	JJ
43297	1148	44	clay	clay	NN
43297	1148	45	present	present	NN
43297	1148	46	.	.	.
43297	1149	1	There	there	EX
43297	1149	2	is	be	VBZ
43297	1149	3	,	,	,
43297	1149	4	therefore	therefore	RB
43297	1149	5	,	,	,
43297	1149	6	a	a	DT
43297	1149	7	considerable	considerable	JJ
43297	1149	8	difference	difference	NN
43297	1149	9	between	between	IN
43297	1149	10	a	a	DT
43297	1149	11	natural	natural	JJ
43297	1149	12	clay	clay	NN
43297	1149	13	and	and	CC
43297	1149	14	the	the	DT
43297	1149	15	pure	pure	JJ
43297	1149	16	clay	clay	NN
43297	1149	17	substance	substance	NN
43297	1149	18	theoretically	theoretically	RB
43297	1149	19	obtainable	obtainable	JJ
43297	1149	20	from	from	IN
43297	1149	21	it	-PRON-	PRP
43297	1149	22	;	;	:
43297	1149	23	this	this	DT
43297	1149	24	difference	difference	NN
43297	1149	25	being	be	VBG
43297	1149	26	most	most	RBS
43297	1149	27	marked	mark	VBN
43297	1149	28	in	in	IN
43297	1149	29	the	the	DT
43297	1149	30	case	case	NN
43297	1149	31	of	of	IN
43297	1149	32	low	low	JJ
43297	1149	33	-	-	HYPH
43297	1149	34	grade	grade	NN
43297	1149	35	brick	brick	NN
43297	1149	36	clays	clay	NNS
43297	1149	37	of	of	IN
43297	1149	38	glacial	glacial	JJ
43297	1149	39	origin	origin	NN
43297	1149	40	,	,	,
43297	1149	41	which	which	WDT
43297	1149	42	may	may	MD
43297	1149	43	contain	contain	VB
43297	1149	44	50	50	CD
43297	1149	45	per	per	IN
43297	1149	46	cent	cent	NN
43297	1149	47	.	.	.
43297	1150	1	or	or	CC
43297	1150	2	more	more	JJR
43297	1150	3	of	of	IN
43297	1150	4	adventitious	adventitious	JJ
43297	1150	5	materials	material	NNS
43297	1150	6	.	.	.
43297	1151	1	If	if	IN
43297	1151	2	used	use	VBN
43297	1151	3	in	in	IN
43297	1151	4	a	a	DT
43297	1151	5	natural	natural	JJ
43297	1151	6	state	state	NN
43297	1151	7	they	-PRON-	PRP
43297	1151	8	would	would	MD
43297	1151	9	be	be	VB
43297	1151	10	found	find	VBN
43297	1151	11	to	to	TO
43297	1151	12	be	be	VB
43297	1151	13	valueless	valueless	JJ
43297	1151	14	on	on	IN
43297	1151	15	account	account	NN
43297	1151	16	of	of	IN
43297	1151	17	their	-PRON-	PRP$
43297	1151	18	impurities	impurity	NNS
43297	1151	19	giving	give	VBG
43297	1151	20	them	-PRON-	PRP
43297	1151	21	characteristics	characteristic	NNS
43297	1151	22	of	of	IN
43297	1151	23	a	a	DT
43297	1151	24	highly	highly	RB
43297	1151	25	undesirable	undesirable	JJ
43297	1151	26	character	character	NN
43297	1151	27	,	,	,
43297	1151	28	whereas	whereas	IN
43297	1151	29	the	the	DT
43297	1151	30	true	true	JJ
43297	1151	31	clay	clay	NN
43297	1151	32	in	in	IN
43297	1151	33	them	-PRON-	PRP
43297	1151	34	is	be	VBZ
43297	1151	35	found	find	VBN
43297	1151	36	--	--	:
43297	1151	37	in	in	IN
43297	1151	38	so	so	RB
43297	1151	39	far	far	RB
43297	1151	40	as	as	IN
43297	1151	41	it	-PRON-	PRP
43297	1151	42	can	can	MD
43297	1151	43	be	be	VB
43297	1151	44	separated	separate	VBN
43297	1151	45	--	--	:
43297	1151	46	to	to	TO
43297	1151	47	bear	bear	VB
43297	1151	48	a	a	DT
43297	1151	49	close	close	JJ
43297	1151	50	resemblance	resemblance	NN
43297	1151	51	to	to	IN
43297	1151	52	that	that	DT
43297	1151	53	obtained	obtain	VBD
43297	1151	54	from	from	IN
43297	1151	55	a	a	DT
43297	1151	56	high	high	JJ
43297	1151	57	grade	grade	NN
43297	1151	58	,	,	,
43297	1151	59	plastic	plastic	NN
43297	1151	60	,	,	,
43297	1151	61	pottery	pottery	NN
43297	1151	62	clay	clay	NN
43297	1151	63	.	.	.
43297	1152	1	Unfortunately	unfortunately	RB
43297	1152	2	,	,	,
43297	1152	3	it	-PRON-	PRP
43297	1152	4	is	be	VBZ
43297	1152	5	,	,	,
43297	1152	6	at	at	IN
43297	1152	7	present	present	JJ
43297	1152	8	,	,	,
43297	1152	9	impossible	impossible	JJ
43297	1152	10	to	to	TO
43297	1152	11	isolate	isolate	VB
43297	1152	12	this	this	DT
43297	1152	13	clay	clay	NN
43297	1152	14	substance	substance	NN
43297	1152	15	in	in	IN
43297	1152	16	anything	anything	NN
43297	1152	17	approaching	approach	VBG
43297	1152	18	a	a	DT
43297	1152	19	pure	pure	JJ
43297	1152	20	form	form	NN
43297	1152	21	,	,	,
43297	1152	22	and	and	CC
43297	1152	23	many	many	JJ
43297	1152	24	clays	clay	NNS
43297	1152	25	are	be	VBP
43297	1152	26	without	without	IN
43297	1152	27	commercial	commercial	JJ
43297	1152	28	value	value	NN
43297	1152	29	because	because	IN
43297	1152	30	of	of	IN
43297	1152	31	comparatively	comparatively	RB
43297	1152	32	small	small	JJ
43297	1152	33	proportions	proportion	NNS
43297	1152	34	of	of	IN
43297	1152	35	impurities	impurity	NNS
43297	1152	36	which	which	WDT
43297	1152	37	can	can	MD
43297	1152	38	not	not	RB
43297	1152	39	be	be	VB
43297	1152	40	separated	separate	VBN
43297	1152	41	from	from	IN
43297	1152	42	the	the	DT
43297	1152	43	clay	clay	NN
43297	1152	44	substance	substance	NN
43297	1152	45	without	without	IN
43297	1152	46	destroying	destroy	VBG
43297	1152	47	the	the	DT
43297	1152	48	latter	latter	JJ
43297	1152	49	.	.	.
43297	1153	1	Classification	classification	NN
43297	1153	2	of	of	IN
43297	1153	3	Clays	clay	NNS
43297	1153	4	.	.	.
43297	1154	1	Owing	owe	VBG
43297	1154	2	to	to	IN
43297	1154	3	the	the	DT
43297	1154	4	widely	widely	RB
43297	1154	5	differing	differing	JJ
43297	1154	6	substances	substance	NNS
43297	1154	7	from	from	IN
43297	1154	8	which	which	WDT
43297	1154	9	clays	clay	NNS
43297	1154	10	can	can	MD
43297	1154	11	,	,	,
43297	1154	12	apparently	apparently	RB
43297	1154	13	,	,	,
43297	1154	14	be	be	VB
43297	1154	15	formed	form	VBN
43297	1154	16	and	and	CC
43297	1154	17	the	the	DT
43297	1154	18	peculiar	peculiar	JJ
43297	1154	19	difficulties	difficulty	NNS
43297	1154	20	which	which	WDT
43297	1154	21	are	be	VBP
43297	1154	22	experienced	experience	VBN
43297	1154	23	in	in	IN
43297	1154	24	investigating	investigate	VBG
43297	1154	25	the	the	DT
43297	1154	26	nature	nature	NN
43297	1154	27	of	of	IN
43297	1154	28	clay	clay	NN
43297	1154	29	substance	substance	NN
43297	1154	30	from	from	IN
43297	1154	31	different	different	JJ
43297	1154	32	sources	source	NNS
43297	1154	33	,	,	,
43297	1154	34	it	-PRON-	PRP
43297	1154	35	is	be	VBZ
43297	1154	36	by	by	IN
43297	1154	37	no	no	DT
43297	1154	38	means	means	NN
43297	1154	39	easy	easy	JJ
43297	1154	40	to	to	TO
43297	1154	41	devise	devise	VB
43297	1154	42	a	a	DT
43297	1154	43	scheme	scheme	NN
43297	1154	44	of	of	IN
43297	1154	45	classification	classification	NN
43297	1154	46	of	of	IN
43297	1154	47	clays	clay	NNS
43297	1154	48	,	,	,
43297	1154	49	though	though	IN
43297	1154	50	many	many	JJ
43297	1154	51	of	of	IN
43297	1154	52	these	these	DT
43297	1154	53	have	have	VBP
43297	1154	54	been	be	VBN
43297	1154	55	attempted	attempt	VBN
43297	1154	56	by	by	IN
43297	1154	57	different	different	JJ
43297	1154	58	scientists	scientist	NNS
43297	1154	59	.	.	.
43297	1155	1	The	the	DT
43297	1155	2	classification	classification	NN
43297	1155	3	adopted	adopt	VBN
43297	1155	4	by	by	IN
43297	1155	5	geologists	geologist	NNS
43297	1155	6	is	be	VBZ
43297	1155	7	based	base	VBN
43297	1155	8	on	on	IN
43297	1155	9	the	the	DT
43297	1155	10	fossil	fossil	NN
43297	1155	11	remains	remain	NNS
43297	1155	12	and	and	CC
43297	1155	13	on	on	IN
43297	1155	14	the	the	DT
43297	1155	15	stratigraphical	stratigraphical	JJ
43297	1155	16	position	position	NN
43297	1155	17	of	of	IN
43297	1155	18	clays	clay	NNS
43297	1155	19	relative	relative	JJ
43297	1155	20	to	to	IN
43297	1155	21	other	other	JJ
43297	1155	22	rocks	rock	NNS
43297	1155	23	,	,	,
43297	1155	24	as	as	IN
43297	1155	25	described	describe	VBN
43297	1155	26	in	in	IN
43297	1155	27	Chapter	Chapter	NNP
43297	1155	28	II	II	NNP
43297	1155	29	.	.	.
43297	1156	1	This	this	DT
43297	1156	2	is	be	VBZ
43297	1156	3	of	of	IN
43297	1156	4	great	great	JJ
43297	1156	5	value	value	NN
43297	1156	6	for	for	IN
43297	1156	7	some	some	DT
43297	1156	8	purposes	purpose	NNS
43297	1156	9	,	,	,
43297	1156	10	but	but	CC
43297	1156	11	the	the	DT
43297	1156	12	composition	composition	NN
43297	1156	13	of	of	IN
43297	1156	14	the	the	DT
43297	1156	15	substances	substance	NNS
43297	1156	16	termed	term	VBN
43297	1156	17	'	'	``
43297	1156	18	clay	clay	NN
43297	1156	19	'	'	''
43297	1156	20	by	by	IN
43297	1156	21	geologists	geologist	NNS
43297	1156	22	differs	differ	NNS
43297	1156	23	so	so	RB
43297	1156	24	greatly	greatly	RB
43297	1156	25	,	,	,
43297	1156	26	even	even	RB
43297	1156	27	when	when	WRB
43297	1156	28	only	only	RB
43297	1156	29	one	one	CD
43297	1156	30	formation	formation	NN
43297	1156	31	is	be	VBZ
43297	1156	32	considered	consider	VBN
43297	1156	33	,	,	,
43297	1156	34	as	as	IN
43297	1156	35	to	to	TO
43297	1156	36	make	make	VB
43297	1156	37	their	-PRON-	PRP$
43297	1156	38	classification	classification	NN
43297	1156	39	of	of	IN
43297	1156	40	little	little	JJ
43297	1156	41	or	or	CC
43297	1156	42	no	no	DT
43297	1156	43	use	use	NN
43297	1156	44	where	where	WRB
43297	1156	45	the	the	DT
43297	1156	46	value	value	NN
43297	1156	47	or	or	CC
43297	1156	48	worthlessness	worthlessness	NN
43297	1156	49	of	of	IN
43297	1156	50	the	the	DT
43297	1156	51	material	material	NN
43297	1156	52	depends	depend	VBZ
43297	1156	53	upon	upon	IN
43297	1156	54	its	-PRON-	PRP$
43297	1156	55	composition	composition	NN
43297	1156	56	.	.	.
43297	1157	1	Thus	thus	RB
43297	1157	2	the	the	DT
43297	1157	3	so	so	RB
43297	1157	4	-	-	HYPH
43297	1157	5	called	call	VBN
43297	1157	6	Oxford	Oxford	NNP
43297	1157	7	clay	clay	NN
43297	1157	8	ranges	range	NNS
43297	1157	9	from	from	IN
43297	1157	10	a	a	DT
43297	1157	11	hard	hard	JJ
43297	1157	12	silicious	silicious	JJ
43297	1157	13	shale	shale	NN
43297	1157	14	to	to	IN
43297	1157	15	a	a	DT
43297	1157	16	comparatively	comparatively	RB
43297	1157	17	pure	pure	JJ
43297	1157	18	clay	clay	NN
43297	1157	19	;	;	:
43297	1157	20	some	some	DT
43297	1157	21	portions	portion	NNS
43297	1157	22	of	of	IN
43297	1157	23	it	-PRON-	PRP
43297	1157	24	are	be	VBP
43297	1157	25	so	so	RB
43297	1157	26	contaminated	contaminate	VBN
43297	1157	27	with	with	IN
43297	1157	28	calcareous	calcareous	JJ
43297	1157	29	and	and	CC
43297	1157	30	ferruginous	ferruginous	JJ
43297	1157	31	matter	matter	NN
43297	1157	32	as	as	IN
43297	1157	33	to	to	TO
43297	1157	34	make	make	VB
43297	1157	35	the	the	DT
43297	1157	36	material	material	NN
43297	1157	37	quite	quite	RB
43297	1157	38	useless	useless	JJ
43297	1157	39	for	for	IN
43297	1157	40	the	the	DT
43297	1157	41	potter	potter	NN
43297	1157	42	or	or	CC
43297	1157	43	clayworker	clayworker	NN
43297	1157	44	.	.	.
43297	1158	1	A	a	DT
43297	1158	2	geological	geological	JJ
43297	1158	3	classification	classification	NN
43297	1158	4	of	of	IN
43297	1158	5	clays	clay	NNS
43297	1158	6	is	be	VBZ
43297	1158	7	chiefly	chiefly	RB
43297	1158	8	of	of	IN
43297	1158	9	value	value	NN
43297	1158	10	as	as	IN
43297	1158	11	indicating	indicate	VBG
43297	1158	12	probable	probable	JJ
43297	1158	13	origins	origin	NNS
43297	1158	14	,	,	,
43297	1158	15	impurities	impurity	NNS
43297	1158	16	and	and	CC
43297	1158	17	certain	certain	JJ
43297	1158	18	physical	physical	JJ
43297	1158	19	properties	property	NNS
43297	1158	20	;	;	:
43297	1158	21	but	but	CC
43297	1158	22	the	the	DT
43297	1158	23	limits	limit	NNS
43297	1158	24	of	of	IN
43297	1158	25	composition	composition	NN
43297	1158	26	and	and	CC
43297	1158	27	general	general	JJ
43297	1158	28	characteristics	characteristic	NNS
43297	1158	29	are	be	VBP
43297	1158	30	so	so	RB
43297	1158	31	wide	wide	JJ
43297	1158	32	as	as	IN
43297	1158	33	to	to	TO
43297	1158	34	make	make	VB
43297	1158	35	it	-PRON-	PRP
43297	1158	36	of	of	IN
43297	1158	37	very	very	RB
43297	1158	38	limited	limited	JJ
43297	1158	39	usefulness	usefulness	NN
43297	1158	40	.	.	.
43297	1159	1	The	the	DT
43297	1159	2	classification	classification	NN
43297	1159	3	of	of	IN
43297	1159	4	clays	clay	NNS
43297	1159	5	on	on	IN
43297	1159	6	a	a	DT
43297	1159	7	basis	basis	NN
43297	1159	8	of	of	IN
43297	1159	9	chemical	chemical	JJ
43297	1159	10	composition	composition	NN
43297	1159	11	is	be	VBZ
43297	1159	12	rendered	render	VBN
43297	1159	13	of	of	IN
43297	1159	14	comparatively	comparatively	RB
43297	1159	15	little	little	JJ
43297	1159	16	value	value	NN
43297	1159	17	by	by	IN
43297	1159	18	the	the	DT
43297	1159	19	large	large	JJ
43297	1159	20	number	number	NN
43297	1159	21	of	of	IN
43297	1159	22	clays	clay	NNS
43297	1159	23	which	which	WDT
43297	1159	24	occupy	occupy	VBP
43297	1159	25	ill	ill	RB
43297	1159	26	-	-	HYPH
43297	1159	27	defined	define	VBN
43297	1159	28	borders	border	NNS
43297	1159	29	between	between	IN
43297	1159	30	the	the	DT
43297	1159	31	more	more	RBR
43297	1159	32	clearly	clearly	RB
43297	1159	33	marked	mark	VBN
43297	1159	34	classes	class	NNS
43297	1159	35	.	.	.
43297	1160	1	Moreover	moreover	RB
43297	1160	2	,	,	,
43297	1160	3	attempts	attempt	VBZ
43297	1160	4	to	to	TO
43297	1160	5	predict	predict	VB
43297	1160	6	the	the	DT
43297	1160	7	value	value	NN
43297	1160	8	and	and	CC
43297	1160	9	uses	use	NNS
43297	1160	10	of	of	IN
43297	1160	11	clays	clay	NNS
43297	1160	12	from	from	IN
43297	1160	13	their	-PRON-	PRP$
43297	1160	14	chemical	chemical	NN
43297	1160	15	composition	composition	NN
43297	1160	16	are	be	VBP
43297	1160	17	generally	generally	RB
43297	1160	18	so	so	RB
43297	1160	19	misleading	misleading	JJ
43297	1160	20	as	as	IN
43297	1160	21	to	to	TO
43297	1160	22	be	be	VB
43297	1160	23	worse	bad	JJR
43297	1160	24	than	than	IN
43297	1160	25	useless	useless	JJ
43297	1160	26	,	,	,
43297	1160	27	unless	unless	IN
43297	1160	28	a	a	DT
43297	1160	29	knowledge	knowledge	NN
43297	1160	30	of	of	IN
43297	1160	31	some	some	DT
43297	1160	32	of	of	IN
43297	1160	33	the	the	DT
43297	1160	34	physical	physical	JJ
43297	1160	35	characters	character	NNS
43297	1160	36	of	of	IN
43297	1160	37	the	the	DT
43297	1160	38	clays	clay	NNS
43297	1160	39	is	be	VBZ
43297	1160	40	available	available	JJ
43297	1160	41	.	.	.
43297	1161	1	It	-PRON-	PRP
43297	1161	2	is	be	VBZ
43297	1161	3	,	,	,
43297	1161	4	of	of	IN
43297	1161	5	course	course	NN
43297	1161	6	,	,	,
43297	1161	7	possible	possible	JJ
43297	1161	8	to	to	TO
43297	1161	9	differentiate	differentiate	VB
43297	1161	10	some	some	DT
43297	1161	11	clays	clay	NNS
43297	1161	12	from	from	IN
43297	1161	13	others	other	NNS
43297	1161	14	by	by	IN
43297	1161	15	their	-PRON-	PRP$
43297	1161	16	composition	composition	NN
43297	1161	17	,	,	,
43297	1161	18	but	but	CC
43297	1161	19	not	not	RB
43297	1161	20	with	with	IN
43297	1161	21	sufficient	sufficient	JJ
43297	1161	22	accuracy	accuracy	NN
43297	1161	23	to	to	TO
43297	1161	24	permit	permit	NN
43297	1161	25	of	of	IN
43297	1161	26	definite	definite	JJ
43297	1161	27	and	and	CC
43297	1161	28	accurate	accurate	JJ
43297	1161	29	classification	classification	NN
43297	1161	30	.	.	.
43297	1162	1	A	a	DT
43297	1162	2	classification	classification	NN
43297	1162	3	based	base	VBN
43297	1162	4	exclusively	exclusively	RB
43297	1162	5	on	on	IN
43297	1162	6	the	the	DT
43297	1162	7	composition	composition	NN
43297	1162	8	of	of	IN
43297	1162	9	clays	clay	NNS
43297	1162	10	is	be	VBZ
43297	1162	11	equally	equally	RB
43297	1162	12	unsatisfactory	unsatisfactory	JJ
43297	1162	13	for	for	IN
43297	1162	14	other	other	JJ
43297	1162	15	reasons	reason	NNS
43297	1162	16	,	,	,
43297	1162	17	the	the	DT
43297	1162	18	chief	chief	NN
43297	1162	19	of	of	IN
43297	1162	20	which	which	WDT
43297	1162	21	is	be	VBZ
43297	1162	22	the	the	DT
43297	1162	23	placing	place	VBG
43297	1162	24	together	together	RB
43297	1162	25	of	of	IN
43297	1162	26	clays	clay	NNS
43297	1162	27	of	of	IN
43297	1162	28	widely	widely	RB
43297	1162	29	differing	differ	VBG
43297	1162	30	physical	physical	JJ
43297	1162	31	character	character	NN
43297	1162	32	,	,	,
43297	1162	33	and	and	CC
43297	1162	34	the	the	DT
43297	1162	35	separation	separation	NN
43297	1162	36	of	of	IN
43297	1162	37	clays	clay	NNS
43297	1162	38	capable	capable	JJ
43297	1162	39	of	of	IN
43297	1162	40	being	be	VBG
43297	1162	41	used	use	VBN
43297	1162	42	for	for	IN
43297	1162	43	a	a	DT
43297	1162	44	particular	particular	JJ
43297	1162	45	purpose	purpose	NN
43297	1162	46	.	.	.
43297	1163	1	To	to	IN
43297	1163	2	some	some	DT
43297	1163	3	extent	extent	NN
43297	1163	4	the	the	DT
43297	1163	5	latter	latter	JJ
43297	1163	6	objection	objection	NN
43297	1163	7	may	may	MD
43297	1163	8	be	be	VB
43297	1163	9	disregarded	disregard	VBN
43297	1163	10	,	,	,
43297	1163	11	though	though	IN
43297	1163	12	it	-PRON-	PRP
43297	1163	13	is	be	VBZ
43297	1163	14	of	of	IN
43297	1163	15	great	great	JJ
43297	1163	16	importance	importance	NN
43297	1163	17	in	in	IN
43297	1163	18	considering	consider	VBG
43297	1163	19	the	the	DT
43297	1163	20	commercial	commercial	JJ
43297	1163	21	value	value	NN
43297	1163	22	of	of	IN
43297	1163	23	a	a	DT
43297	1163	24	clay	clay	NN
43297	1163	25	.	.	.
43297	1164	1	Classification	classification	NN
43297	1164	2	based	base	VBN
43297	1164	3	on	on	IN
43297	1164	4	the	the	DT
43297	1164	5	uses	use	NNS
43297	1164	6	of	of	IN
43297	1164	7	clays	clay	NNS
43297	1164	8	of	of	IN
43297	1164	9	different	different	JJ
43297	1164	10	kinds	kind	NNS
43297	1164	11	has	have	VBZ
43297	1164	12	been	be	VBN
43297	1164	13	suggested	suggest	VBN
43297	1164	14	by	by	IN
43297	1164	15	several	several	JJ
43297	1164	16	eminent	eminent	JJ
43297	1164	17	ceramists	ceramist	NNS
43297	1164	18	,	,	,
43297	1164	19	but	but	CC
43297	1164	20	is	be	VBZ
43297	1164	21	obviously	obviously	RB
43297	1164	22	unsatisfactory	unsatisfactory	JJ
43297	1164	23	,	,	,
43297	1164	24	particularly	particularly	RB
43297	1164	25	as	as	IN
43297	1164	26	it	-PRON-	PRP
43297	1164	27	is	be	VBZ
43297	1164	28	by	by	IN
43297	1164	29	no	no	DT
43297	1164	30	means	means	NN
43297	1164	31	uncommon	uncommon	JJ
43297	1164	32	to	to	TO
43297	1164	33	use	use	VB
43297	1164	34	mixtures	mixture	NNS
43297	1164	35	of	of	IN
43297	1164	36	clays	clay	NNS
43297	1164	37	and	and	CC
43297	1164	38	other	other	JJ
43297	1164	39	minerals	mineral	NNS
43297	1164	40	for	for	IN
43297	1164	41	some	some	DT
43297	1164	42	purposes	purpose	NNS
43297	1164	43	.	.	.
43297	1165	1	Thus	thus	RB
43297	1165	2	stoneware	stoneware	NN
43297	1165	3	clays	clay	NNS
43297	1165	4	must	must	MD
43297	1165	5	be	be	VB
43297	1165	6	vitrifiable	vitrifiable	JJ
43297	1165	7	under	under	IN
43297	1165	8	conditions	condition	NNS
43297	1165	9	which	which	WDT
43297	1165	10	may	may	MD
43297	1165	11	be	be	VB
43297	1165	12	defined	define	VBN
43297	1165	13	with	with	IN
43297	1165	14	sufficient	sufficient	JJ
43297	1165	15	accuracy	accuracy	NN
43297	1165	16	,	,	,
43297	1165	17	but	but	CC
43297	1165	18	many	many	JJ
43297	1165	19	manufacturers	manufacturer	NNS
43297	1165	20	of	of	IN
43297	1165	21	stoneware	stoneware	NN
43297	1165	22	do	do	VBP
43297	1165	23	not	not	RB
43297	1165	24	use	use	VB
43297	1165	25	clays	clay	NNS
43297	1165	26	which	which	WDT
43297	1165	27	are	be	VBP
43297	1165	28	naturally	naturally	RB
43297	1165	29	vitrifiable	vitrifiable	JJ
43297	1165	30	;	;	:
43297	1165	31	they	-PRON-	PRP
43297	1165	32	employ	employ	VBP
43297	1165	33	a	a	DT
43297	1165	34	mixture	mixture	NN
43297	1165	35	of	of	IN
43297	1165	36	refractory	refractory	JJ
43297	1165	37	clay	clay	NN
43297	1165	38	and	and	CC
43297	1165	39	other	other	JJ
43297	1165	40	minerals	mineral	NNS
43297	1165	41	to	to	TO
43297	1165	42	obtain	obtain	VB
43297	1165	43	the	the	DT
43297	1165	44	material	material	NN
43297	1165	45	they	-PRON-	PRP
43297	1165	46	require	require	VBP
43297	1165	47	.	.	.
43297	1166	1	A	a	DT
43297	1166	2	classification	classification	NN
43297	1166	3	based	base	VBN
43297	1166	4	on	on	IN
43297	1166	5	the	the	DT
43297	1166	6	origin	origin	NN
43297	1166	7	of	of	IN
43297	1166	8	clays	clay	NNS
43297	1166	9	regarded	regard	VBN
43297	1166	10	from	from	IN
43297	1166	11	the	the	DT
43297	1166	12	petrological	petrological	JJ
43297	1166	13	point	point	NN
43297	1166	14	of	of	IN
43297	1166	15	view	view	NN
43297	1166	16	offers	offer	VBZ
43297	1166	17	some	some	DT
43297	1166	18	advantages	advantage	NNS
43297	1166	19	,	,	,
43297	1166	20	but	but	CC
43297	1166	21	is	be	VBZ
43297	1166	22	too	too	RB
43297	1166	23	cumbersome	cumbersome	JJ
43297	1166	24	for	for	IN
43297	1166	25	ordinary	ordinary	JJ
43297	1166	26	purposes	purpose	NNS
43297	1166	27	and	and	CC
43297	1166	28	suffers	suffer	NNS
43297	1166	29	from	from	IN
43297	1166	30	the	the	DT
43297	1166	31	disadvantage	disadvantage	NN
43297	1166	32	that	that	WDT
43297	1166	33	the	the	DT
43297	1166	34	origin	origin	NN
43297	1166	35	of	of	IN
43297	1166	36	some	some	DT
43297	1166	37	important	important	JJ
43297	1166	38	clays	clay	NNS
43297	1166	39	is	be	VBZ
43297	1166	40	by	by	IN
43297	1166	41	no	no	DT
43297	1166	42	means	means	NN
43297	1166	43	clearly	clearly	RB
43297	1166	44	known	know	VBN
43297	1166	45	.	.	.
43297	1167	1	The	the	DT
43297	1167	2	author	author	NN
43297	1167	3	prefers	prefer	VBZ
43297	1167	4	a	a	DT
43297	1167	5	modification	modification	NN
43297	1167	6	of	of	IN
43297	1167	7	Grimsley	Grimsley	NNP
43297	1167	8	's	's	POS
43297	1167	9	and	and	CC
43297	1167	10	Grout	Grout	NNP
43297	1167	11	's	's	POS
43297	1167	12	classification	classification	NN
43297	1167	13	(	(	-LRB-
43297	1167	14	31	31	CD
43297	1167	15	)	)	-RRB-
43297	1167	16	as	as	IN
43297	1167	17	follows	follow	VBZ
43297	1167	18	:	:	:
43297	1167	19	I.	i.	NN
43297	1168	1	Primary	primary	JJ
43297	1168	2	clays	clay	NNS
43297	1168	3	.	.	.
43297	1169	1	(	(	-LRB-
43297	1169	2	_	_	NNP
43297	1169	3	a	a	DT
43297	1169	4	_	_	NNP
43297	1169	5	)	)	-RRB-
43297	1169	6	Clays	clay	NNS
43297	1169	7	produced	produce	VBN
43297	1169	8	by	by	IN
43297	1169	9	'	'	``
43297	1169	10	weathering	weather	VBG
43297	1169	11	'	'	''
43297	1169	12	silicates	silicate	NNS
43297	1169	13	--	--	:
43297	1169	14	as	as	IN
43297	1169	15	some	some	DT
43297	1169	16	kaolins	kaolin	NNS
43297	1169	17	.	.	.
43297	1170	1	(	(	-LRB-
43297	1170	2	_	_	NNP
43297	1170	3	b	b	NNP
43297	1170	4	_	_	NNP
43297	1170	5	)	)	-RRB-
43297	1170	6	Clays	clay	NNS
43297	1170	7	produced	produce	VBN
43297	1170	8	by	by	IN
43297	1170	9	lateritic	lateritic	JJ
43297	1170	10	action	action	NN
43297	1170	11	--	--	:
43297	1170	12	very	very	RB
43297	1170	13	rich	rich	JJ
43297	1170	14	in	in	IN
43297	1170	15	alumina	alumina	NNP
43297	1170	16	,	,	,
43297	1170	17	some	some	DT
43297	1170	18	of	of	IN
43297	1170	19	which	which	WDT
43297	1170	20	is	be	VBZ
43297	1170	21	apparently	apparently	RB
43297	1170	22	in	in	IN
43297	1170	23	a	a	DT
43297	1170	24	free	free	JJ
43297	1170	25	state	state	NN
43297	1170	26	.	.	.
43297	1171	1	(	(	-LRB-
43297	1171	2	_	_	NNP
43297	1171	3	c	c	NNP
43297	1171	4	_	_	NNP
43297	1171	5	)	)	-RRB-
43297	1171	6	Clays	clay	NNS
43297	1171	7	produced	produce	VBN
43297	1171	8	by	by	IN
43297	1171	9	telluric	telluric	NN
43297	1171	10	water	water	NN
43297	1171	11	containing	contain	VBG
43297	1171	12	active	active	JJ
43297	1171	13	gases	gas	NNS
43297	1171	14	(	(	-LRB-
43297	1171	15	hypogenically	hypogenically	RB
43297	1171	16	formed	form	VBN
43297	1171	17	clays)--as	clays)--as	NNP
43297	1171	18	Cornish	Cornish	NNP
43297	1171	19	china	china	NNP
43297	1171	20	clay	clay	NN
43297	1171	21	.	.	.
43297	1172	1	II	ii	CD
43297	1172	2	.	.	.
43297	1173	1	Secondary	secondary	JJ
43297	1173	2	clays	clay	NNS
43297	1173	3	.	.	.
43297	1174	1	(	(	-LRB-
43297	1174	2	_	_	NNP
43297	1174	3	d	d	NNP
43297	1174	4	_	_	NNP
43297	1174	5	)	)	-RRB-
43297	1174	6	Refractory[16	Refractory[16	,
43297	1174	7	]	]	-RRB-
43297	1174	8	secondary	secondary	JJ
43297	1174	9	clays	clay	NNS
43297	1174	10	--	--	:
43297	1174	11	as	as	IN
43297	1174	12	fireclays	fireclay	NNS
43297	1174	13	and	and	CC
43297	1174	14	some	some	DT
43297	1174	15	pipe	pipe	NN
43297	1174	16	clays	clay	NNS
43297	1174	17	.	.	.
43297	1175	1	(	(	-LRB-
43297	1175	2	_	_	NNP
43297	1175	3	e	e	NNP
43297	1175	4	_	_	NNP
43297	1175	5	)	)	-RRB-
43297	1175	6	Pale	pale	NN
43297	1175	7	-	-	HYPH
43297	1175	8	burning	burn	VBG
43297	1175	9	non	non	JJ
43297	1175	10	-	-	JJ
43297	1175	11	refractory	refractory	JJ
43297	1175	12	clays	clay	NNS
43297	1175	13	--	--	:
43297	1175	14	as	as	IN
43297	1175	15	pottery	pottery	NN
43297	1175	16	clays	clay	NNS
43297	1175	17	,	,	,
43297	1175	18	ball	ball	NN
43297	1175	19	clays	clay	NNS
43297	1175	20	and	and	CC
43297	1175	21	some	some	DT
43297	1175	22	shales	shale	NNS
43297	1175	23	.	.	.
43297	1176	1	(	(	-LRB-
43297	1176	2	_	_	NNP
43297	1176	3	f	f	NNP
43297	1176	4	_	_	NNP
43297	1176	5	)	)	-RRB-
43297	1176	6	Vitrifiable	vitrifiable	JJ
43297	1176	7	clays	clay	NNS
43297	1176	8	--	--	:
43297	1176	9	as	as	IN
43297	1176	10	stoneware	stoneware	NN
43297	1176	11	clays	clay	NNS
43297	1176	12	,	,	,
43297	1176	13	paving	pave	VBG
43297	1176	14	brick	brick	NN
43297	1176	15	clays	clay	NNS
43297	1176	16	.	.	.
43297	1177	1	(	(	-LRB-
43297	1177	2	_	_	NNP
43297	1177	3	g	g	NNP
43297	1177	4	_	_	NNP
43297	1177	5	)	)	-RRB-
43297	1177	6	Red	Red	NNP
43297	1177	7	-	-	HYPH
43297	1177	8	burning	burning	NN
43297	1177	9	and	and	CC
43297	1177	10	non	non	JJ
43297	1177	11	-	-	JJ
43297	1177	12	refractory	refractory	JJ
43297	1177	13	clays	clay	NNS
43297	1177	14	--	--	:
43297	1177	15	as	as	IN
43297	1177	16	brick	brick	NN
43297	1177	17	and	and	CC
43297	1177	18	terra	terra	NN
43297	1177	19	-	-	HYPH
43297	1177	20	cotta	cotta	NNP
43297	1177	21	clays	clay	NNS
43297	1177	22	and	and	CC
43297	1177	23	shales	shale	NNS
43297	1177	24	.	.	.
43297	1178	1	(	(	-LRB-
43297	1178	2	_	_	NNP
43297	1178	3	h	h	NNP
43297	1178	4	_	_	NNP
43297	1178	5	)	)	-RRB-
43297	1178	6	Calcareous	calcareous	JJ
43297	1178	7	clays	clay	NNS
43297	1178	8	or	or	CC
43297	1178	9	marls	marl	NNS
43297	1178	10	,	,	,
43297	1178	11	including	include	VBG
43297	1178	12	all	all	DT
43297	1178	13	clays	clay	NNS
43297	1178	14	containing	contain	VBG
43297	1178	15	more	more	JJR
43297	1178	16	than	than	IN
43297	1178	17	5	5	CD
43297	1178	18	per	per	NN
43297	1178	19	cent	cent	NN
43297	1178	20	.	.	.
43297	1179	1	of	of	IN
43297	1179	2	calcium	calcium	NN
43297	1179	3	carbonate	carbonate	NN
43297	1179	4	.	.	.
43297	1180	1	III	iii	CD
43297	1180	2	.	.	.
43297	1181	1	Residual	residual	JJ
43297	1181	2	clays	clay	NNS
43297	1181	3	.	.	.
43297	1182	1	(	(	-LRB-
43297	1182	2	_	_	NNP
43297	1182	3	i	i	PRP
43297	1182	4	_	_	NNP
43297	1182	5	)	)	-RRB-
43297	1182	6	Clays	clay	NNS
43297	1182	7	which	which	WDT
43297	1182	8	have	have	VBP
43297	1182	9	been	be	VBN
43297	1182	10	formed	form	VBN
43297	1182	11	by	by	IN
43297	1182	12	one	one	CD
43297	1182	13	of	of	IN
43297	1182	14	the	the	DT
43297	1182	15	foregoing	foregoing	JJ
43297	1182	16	actions	action	NNS
43297	1182	17	and	and	CC
43297	1182	18	have	have	VBP
43297	1182	19	been	be	VBN
43297	1182	20	deposited	deposit	VBN
43297	1182	21	along	along	IN
43297	1182	22	with	with	IN
43297	1182	23	calcareous	calcareous	JJ
43297	1182	24	or	or	CC
43297	1182	25	other	other	JJ
43297	1182	26	matter	matter	NN
43297	1182	27	but	but	CC
43297	1182	28	,	,	,
43297	1182	29	on	on	IN
43297	1182	30	the	the	DT
43297	1182	31	latter	latter	JJ
43297	1182	32	being	be	VBG
43297	1182	33	removed	remove	VBN
43297	1182	34	by	by	IN
43297	1182	35	subsequent	subsequent	JJ
43297	1182	36	solution	solution	NN
43297	1182	37	,	,	,
43297	1182	38	the	the	DT
43297	1182	39	clay	clay	NN
43297	1182	40	has	have	VBZ
43297	1182	41	remained	remain	VBN
43297	1182	42	behind	behind	RB
43297	1182	43	--	--	:
43297	1182	44	as	as	IN
43297	1182	45	the	the	DT
43297	1182	46	white	white	JJ
43297	1182	47	clays	clay	NNS
43297	1182	48	of	of	IN
43297	1182	49	the	the	DT
43297	1182	50	Derbyshire	Derbyshire	NNP
43297	1182	51	hills	hill	NNS
43297	1182	52	.	.	.
43297	1183	1	[	[	-LRB-
43297	1183	2	Footnote	Footnote	NNP
43297	1183	3	16	16	CD
43297	1183	4	:	:	:
43297	1183	5	A	a	DT
43297	1183	6	refractory	refractory	JJ
43297	1183	7	clay	clay	NN
43297	1183	8	is	be	VBZ
43297	1183	9	one	one	CD
43297	1183	10	which	which	WDT
43297	1183	11	does	do	VBZ
43297	1183	12	not	not	RB
43297	1183	13	soften	soften	VB
43297	1183	14	sufficiently	sufficiently	RB
43297	1183	15	to	to	TO
43297	1183	16	commence	commence	VB
43297	1183	17	losing	lose	VBG
43297	1183	18	its	-PRON-	PRP$
43297	1183	19	shape	shape	NN
43297	1183	20	at	at	IN
43297	1183	21	any	any	DT
43297	1183	22	temperature	temperature	NN
43297	1183	23	below	below	IN
43297	1183	24	that	that	DT
43297	1183	25	needed	need	VBD
43297	1183	26	to	to	TO
43297	1183	27	bend	bend	VB
43297	1183	28	Seger	Seger	NNP
43297	1183	29	Cone	Cone	NNP
43297	1183	30	26	26	CD
43297	1183	31	(	(	-LRB-
43297	1183	32	approximately	approximately	RB
43297	1183	33	1600	1600	CD
43297	1183	34	°	°	,
43297	1183	35	C	C	NNP
43297	1183	36	.	.	.
43297	1183	37	)	)	-RRB-
43297	1184	1	(	(	-LRB-
43297	1184	2	see	see	VB
43297	1184	3	p.	p.	NN
43297	1185	1	116	116	CD
43297	1185	2	)	)	-RRB-
43297	1185	3	.	.	.
43297	1185	4	]	]	-RRB-
43297	1186	1	Some	some	DT
43297	1186	2	further	further	JJ
43297	1186	3	sub	sub	NN
43297	1186	4	-	-	NN
43297	1186	5	division	division	NN
43297	1186	6	is	be	VBZ
43297	1186	7	necessary	necessary	JJ
43297	1186	8	for	for	IN
43297	1186	9	special	special	JJ
43297	1186	10	purposes	purpose	NNS
43297	1186	11	,	,	,
43297	1186	12	particularly	particularly	RB
43297	1186	13	in	in	IN
43297	1186	14	sections	section	NNS
43297	1186	15	_	_	NNP
43297	1186	16	e	e	NNP
43297	1186	17	_	_	NNP
43297	1186	18	,	,	,
43297	1186	19	_	_	NNP
43297	1186	20	f	f	NNP
43297	1186	21	_	_	NNP
43297	1186	22	and	and	CC
43297	1186	23	_	_	NNP
43297	1186	24	h	h	NNP
43297	1186	25	_	_	NNP
43297	1186	26	,	,	,
43297	1186	27	but	but	CC
43297	1186	28	to	to	TO
43297	1186	29	include	include	VB
43297	1186	30	further	further	JJ
43297	1186	31	details	detail	NNS
43297	1186	32	would	would	MD
43297	1186	33	only	only	RB
43297	1186	34	obscure	obscure	VB
43297	1186	35	the	the	DT
43297	1186	36	general	general	JJ
43297	1186	37	scheme	scheme	NN
43297	1186	38	.	.	.
43297	1187	1	Some	some	DT
43297	1187	2	clays	clay	NNS
43297	1187	3	will	will	MD
43297	1187	4	,	,	,
43297	1187	5	apparently	apparently	RB
43297	1187	6	,	,	,
43297	1187	7	be	be	VB
43297	1187	8	capable	capable	JJ
43297	1187	9	of	of	IN
43297	1187	10	classification	classification	NN
43297	1187	11	in	in	IN
43297	1187	12	more	more	JJR
43297	1187	13	than	than	IN
43297	1187	14	one	one	CD
43297	1187	15	section	section	NN
43297	1187	16	,	,	,
43297	1187	17	thus	thus	RB
43297	1187	18	a	a	DT
43297	1187	19	vitrifiable	vitrifiable	JJ
43297	1187	20	clay	clay	NN
43297	1187	21	may	may	MD
43297	1187	22	owe	owe	VB
43297	1187	23	its	-PRON-	PRP$
43297	1187	24	characteristic	characteristic	NN
43297	1187	25	to	to	IN
43297	1187	26	a	a	DT
43297	1187	27	high	high	JJ
43297	1187	28	proportion	proportion	NN
43297	1187	29	of	of	IN
43297	1187	30	calcium	calcium	NN
43297	1187	31	carbonate	carbonate	NN
43297	1187	32	and	and	CC
43297	1187	33	so	so	RB
43297	1187	34	be	be	VB
43297	1187	35	capable	capable	JJ
43297	1187	36	of	of	IN
43297	1187	37	inclusion	inclusion	NN
43297	1187	38	as	as	IN
43297	1187	39	a	a	DT
43297	1187	40	calcareous	calcareous	JJ
43297	1187	41	clay	clay	NN
43297	1187	42	.	.	.
43297	1188	1	Broadly	broadly	RB
43297	1188	2	speaking	speak	VBG
43297	1188	3	,	,	,
43297	1188	4	however	however	RB
43297	1188	5	,	,	,
43297	1188	6	if	if	IN
43297	1188	7	the	the	DT
43297	1188	8	clay	clay	NN
43297	1188	9	is	be	VBZ
43297	1188	10	tested	test	VBN
43297	1188	11	as	as	IN
43297	1188	12	to	to	IN
43297	1188	13	its	-PRON-	PRP$
43297	1188	14	inclusion	inclusion	NN
43297	1188	15	in	in	IN
43297	1188	16	each	each	DT
43297	1188	17	section	section	NN
43297	1188	18	of	of	IN
43297	1188	19	the	the	DT
43297	1188	20	scheme	scheme	NN
43297	1188	21	in	in	IN
43297	1188	22	turn	turn	NN
43297	1188	23	it	-PRON-	PRP
43297	1188	24	will	will	MD
43297	1188	25	be	be	VB
43297	1188	26	found	find	VBN
43297	1188	27	that	that	IN
43297	1188	28	its	-PRON-	PRP$
43297	1188	29	highest	high	JJS
43297	1188	30	value	value	NN
43297	1188	31	will	will	MD
43297	1188	32	be	be	VB
43297	1188	33	in	in	IN
43297	1188	34	the	the	DT
43297	1188	35	section	section	NN
43297	1188	36	which	which	WDT
43297	1188	37	is	be	VBZ
43297	1188	38	nearest	near	JJS
43297	1188	39	to	to	IN
43297	1188	40	the	the	DT
43297	1188	41	first	first	JJ
43297	1188	42	in	in	IN
43297	1188	43	which	which	WDT
43297	1188	44	the	the	DT
43297	1188	45	clay	clay	NN
43297	1188	46	can	can	MD
43297	1188	47	legitimately	legitimately	RB
43297	1188	48	be	be	VB
43297	1188	49	placed	place	VBN
43297	1188	50	.	.	.
43297	1189	1	From	from	IN
43297	1189	2	a	a	DT
43297	1189	3	consideration	consideration	NN
43297	1189	4	of	of	IN
43297	1189	5	a	a	DT
43297	1189	6	classification	classification	NN
43297	1189	7	such	such	JJ
43297	1189	8	as	as	IN
43297	1189	9	the	the	DT
43297	1189	10	foregoing	foregoing	NN
43297	1189	11	,	,	,
43297	1189	12	together	together	RB
43297	1189	13	with	with	IN
43297	1189	14	a	a	DT
43297	1189	15	detailed	detailed	JJ
43297	1189	16	study	study	NN
43297	1189	17	of	of	IN
43297	1189	18	the	the	DT
43297	1189	19	physical	physical	JJ
43297	1189	20	and	and	CC
43297	1189	21	chemical	chemical	NN
43297	1189	22	properties	property	NNS
43297	1189	23	of	of	IN
43297	1189	24	the	the	DT
43297	1189	25	material	material	NN
43297	1189	26	as	as	IN
43297	1189	27	a	a	DT
43297	1189	28	whole	whole	NN
43297	1189	29	,	,	,
43297	1189	30	and	and	CC
43297	1189	31	also	also	RB
43297	1189	32	of	of	IN
43297	1189	33	the	the	DT
43297	1189	34	various	various	JJ
43297	1189	35	portions	portion	NNS
43297	1189	36	into	into	IN
43297	1189	37	which	which	WDT
43297	1189	38	it	-PRON-	PRP
43297	1189	39	may	may	MD
43297	1189	40	be	be	VB
43297	1189	41	divided	divide	VBN
43297	1189	42	--	--	:
43297	1189	43	particularly	particularly	RB
43297	1189	44	that	that	DT
43297	1189	45	which	which	WDT
43297	1189	46	has	have	VBZ
43297	1189	47	been	be	VBN
43297	1189	48	isolated	isolate	VBN
43297	1189	49	by	by	IN
43297	1189	50	mechanical	mechanical	JJ
43297	1189	51	methods	method	NNS
43297	1189	52	of	of	IN
43297	1189	53	purification	purification	NN
43297	1189	54	and	and	CC
43297	1189	55	separation	separation	NN
43297	1189	56	--	--	:
43297	1189	57	it	-PRON-	PRP
43297	1189	58	is	be	VBZ
43297	1189	59	not	not	RB
43297	1189	60	difficult	difficult	JJ
43297	1189	61	to	to	TO
43297	1189	62	gain	gain	VB
43297	1189	63	a	a	DT
43297	1189	64	fairly	fairly	RB
43297	1189	65	accurate	accurate	JJ
43297	1189	66	idea	idea	NN
43297	1189	67	of	of	IN
43297	1189	68	the	the	DT
43297	1189	69	nature	nature	NN
43297	1189	70	of	of	IN
43297	1189	71	any	any	DT
43297	1189	72	clay	clay	NN
43297	1189	73	.	.	.
43297	1190	1	Although	although	IN
43297	1190	2	the	the	DT
43297	1190	3	present	present	JJ
43297	1190	4	state	state	NN
43297	1190	5	of	of	IN
43297	1190	6	knowledge	knowledge	NN
43297	1190	7	does	do	VBZ
43297	1190	8	not	not	RB
43297	1190	9	permit	permit	VB
43297	1190	10	them	-PRON-	PRP
43297	1190	11	to	to	TO
43297	1190	12	be	be	VB
43297	1190	13	classified	classify	VBN
43297	1190	14	with	with	IN
43297	1190	15	such	such	JJ
43297	1190	16	detail	detail	NN
43297	1190	17	as	as	IN
43297	1190	18	is	be	VBZ
43297	1190	19	the	the	DT
43297	1190	20	case	case	NN
43297	1190	21	with	with	IN
43297	1190	22	plants	plant	NNS
43297	1190	23	,	,	,
43297	1190	24	animals	animal	NNS
43297	1190	25	,	,	,
43297	1190	26	or	or	CC
43297	1190	27	simple	simple	JJ
43297	1190	28	chemical	chemical	JJ
43297	1190	29	compounds	compound	NNS
43297	1190	30	,	,	,
43297	1190	31	the	the	DT
43297	1190	32	study	study	NN
43297	1190	33	of	of	IN
43297	1190	34	clays	clay	NNS
43297	1190	35	and	and	CC
43297	1190	36	the	the	DT
43297	1190	37	allied	ally	VBN
43297	1190	38	materials	material	NNS
43297	1190	39	has	have	VBZ
43297	1190	40	a	a	DT
43297	1190	41	fascination	fascination	NN
43297	1190	42	peculiarly	peculiarly	RB
43297	1190	43	its	-PRON-	PRP$
43297	1190	44	own	own	JJ
43297	1190	45	,	,	,
43297	1190	46	not	not	RB
43297	1190	47	the	the	DT
43297	1190	48	least	least	JJS
43297	1190	49	interesting	interesting	JJ
43297	1190	50	features	feature	NNS
43297	1190	51	of	of	IN
43297	1190	52	which	which	WDT
43297	1190	53	are	be	VBP
43297	1190	54	those	those	DT
43297	1190	55	properties	property	NNS
43297	1190	56	of	of	IN
43297	1190	57	the	the	DT
43297	1190	58	clay	clay	NN
43297	1190	59	after	after	IN
43297	1190	60	it	-PRON-	PRP
43297	1190	61	has	have	VBZ
43297	1190	62	been	be	VBN
43297	1190	63	made	make	VBN
43297	1190	64	into	into	IN
43297	1190	65	articles	article	NNS
43297	1190	66	of	of	IN
43297	1190	67	use	use	NN
43297	1190	68	or	or	CC
43297	1190	69	ornament	ornament	NN
43297	1190	70	.	.	.
43297	1191	1	These	these	DT
43297	1191	2	are	be	VBP
43297	1191	3	,	,	,
43297	1191	4	however	however	RB
43297	1191	5	,	,	,
43297	1191	6	beyond	beyond	IN
43297	1191	7	the	the	DT
43297	1191	8	scope	scope	NN
43297	1191	9	of	of	IN
43297	1191	10	what	what	WP
43297	1191	11	is	be	VBZ
43297	1191	12	commonly	commonly	RB
43297	1191	13	understood	understand	VBN
43297	1191	14	by	by	IN
43297	1191	15	the	the	DT
43297	1191	16	term	term	NN
43297	1191	17	'	'	''
43297	1191	18	the	the	DT
43297	1191	19	natural	natural	JJ
43297	1191	20	history	history	NN
43297	1191	21	of	of	IN
43297	1191	22	clay	clay	NN
43297	1191	23	.	.	.
43297	1191	24	'	'	''
43297	1192	1	BIBLIOGRAPHY	BIBLIOGRAPHY	NNP
43297	1192	2	A	a	DT
43297	1192	3	complete	complete	JJ
43297	1192	4	bibliography	bibliography	NN
43297	1192	5	of	of	IN
43297	1192	6	clay	clay	NN
43297	1192	7	would	would	MD
43297	1192	8	occupy	occupy	VB
43297	1192	9	several	several	JJ
43297	1192	10	volumes	volume	NNS
43297	1192	11	.	.	.
43297	1193	1	The	the	DT
43297	1193	2	following	following	JJ
43297	1193	3	list	list	NN
43297	1193	4	only	only	RB
43297	1193	5	includes	include	VBZ
43297	1193	6	the	the	DT
43297	1193	7	more	more	RBR
43297	1193	8	accessible	accessible	JJ
43297	1193	9	of	of	IN
43297	1193	10	the	the	DT
43297	1193	11	works	work	NNS
43297	1193	12	quoted	quote	VBN
43297	1193	13	in	in	IN
43297	1193	14	the	the	DT
43297	1193	15	text	text	NN
43297	1193	16	.	.	.
43297	1194	1	1	1	LS
43297	1194	2	.	.	.
43297	1195	1	"	"	``
43297	1195	2	Second	Second	NNP
43297	1195	3	Report	Report	NNP
43297	1195	4	of	of	IN
43297	1195	5	the	the	DT
43297	1195	6	Committee	Committee	NNP
43297	1195	7	on	on	IN
43297	1195	8	Technical	Technical	NNP
43297	1195	9	Investigation	Investigation	NNP
43297	1195	10	--	--	:
43297	1195	11	Rôle	rôle	JJ
43297	1195	12	of	of	IN
43297	1195	13	Iron	Iron	NNP
43297	1195	14	in	in	IN
43297	1195	15	Burning	burn	VBG
43297	1195	16	Clays	clay	NNS
43297	1195	17	.	.	.
43297	1195	18	"	"	''
43297	1196	1	Orton	Orton	NNP
43297	1196	2	and	and	CC
43297	1196	3	Griffith	Griffith	NNP
43297	1196	4	.	.	.
43297	1197	1	Indianapolis	Indianapolis	NNP
43297	1197	2	.	.	.
43297	1198	1	1905	1905	CD
43297	1198	2	.	.	.
43297	1199	1	2	2	LS
43297	1199	2	.	.	.
43297	1200	1	"	"	``
43297	1200	2	British	british	JJ
43297	1200	3	Clays	clay	NNS
43297	1200	4	,	,	,
43297	1200	5	Shales	Shales	NNPS
43297	1200	6	and	and	CC
43297	1200	7	Sands	Sands	NNPS
43297	1200	8	.	.	.
43297	1200	9	"	"	''
43297	1201	1	Alfred	Alfred	NNP
43297	1201	2	B.	B.	NNP
43297	1201	3	Searle	Searle	NNP
43297	1201	4	.	.	.
43297	1202	1	Charles	Charles	NNP
43297	1202	2	Griffin	Griffin	NNP
43297	1202	3	and	and	CC
43297	1202	4	Co.	Co.	NNP
43297	1202	5	Ltd.	Ltd.	NNP
43297	1202	6	London	London	NNP
43297	1202	7	.	.	.
43297	1203	1	1911	1911	CD
43297	1203	2	.	.	.
43297	1204	1	3	3	LS
43297	1204	2	.	.	.
43297	1205	1	"	"	``
43297	1205	2	Transactions	transaction	NNS
43297	1205	3	of	of	IN
43297	1205	4	the	the	DT
43297	1205	5	English	English	NNP
43297	1205	6	Ceramic	Ceramic	NNP
43297	1205	7	Society	Society	NNP
43297	1205	8	.	.	.
43297	1205	9	"	"	''
43297	1206	1	v.	v.	NNP
43297	1206	2	p.	p.	NNP
43297	1206	3	72	72	CD
43297	1206	4	.	.	.
43297	1207	1	Hughes	Hughes	NNP
43297	1207	2	and	and	CC
43297	1207	3	Harber	Harber	NNP
43297	1207	4	.	.	.
43297	1208	1	Longton	Longton	NNP
43297	1208	2	,	,	,
43297	1208	3	Staffs	Staffs	NNP
43297	1208	4	.	.	.
43297	1209	1	1905	1905	CD
43297	1209	2	.	.	.
43297	1210	1	4	4	LS
43297	1210	2	.	.	.
43297	1211	1	"	"	``
43297	1211	2	Royal	Royal	NNP
43297	1211	3	Agricultural	Agricultural	NNP
43297	1211	4	Society	Society	NNP
43297	1211	5	's	's	POS
43297	1211	6	Journal	Journal	NNP
43297	1211	7	.	.	.
43297	1211	8	"	"	''
43297	1212	1	XI	XI	NNP
43297	1212	2	.	.	.
43297	1213	1	5	5	CD
43297	1213	2	.	.	.
43297	1214	1	"	"	``
43297	1214	2	Die	die	VB
43297	1214	3	Tone	tone	NN
43297	1214	4	.	.	.
43297	1214	5	"	"	''
43297	1215	1	P.	P.	NNP
43297	1215	2	Rohland	Rohland	NNP
43297	1215	3	.	.	.
43297	1216	1	Hartleben	Hartleben	NNP
43297	1216	2	's	's	POS
43297	1216	3	Verlag	Verlag	NNP
43297	1216	4	.	.	.
43297	1217	1	Vienna	Vienna	NNP
43297	1217	2	.	.	.
43297	1218	1	1909	1909	CD
43297	1218	2	.	.	.
43297	1219	1	6	6	CD
43297	1219	2	.	.	.
43297	1220	1	"	"	``
43297	1220	2	Clays	clay	NNS
43297	1220	3	:	:	:
43297	1220	4	their	-PRON-	PRP$
43297	1220	5	Occurrence	occurrence	NN
43297	1220	6	,	,	,
43297	1220	7	Properties	Properties	NNPS
43297	1220	8	and	and	CC
43297	1220	9	Uses	Uses	NNPS
43297	1220	10	.	.	.
43297	1220	11	"	"	''
43297	1221	1	H.	H.	NNP
43297	1221	2	Ries	Ries	NNP
43297	1221	3	.	.	.
43297	1222	1	Chapman	Chapman	NNP
43297	1222	2	and	and	CC
43297	1222	3	Hall	Hall	NNP
43297	1222	4	.	.	.
43297	1223	1	London	London	NNP
43297	1223	2	.	.	.
43297	1224	1	1908	1908	CD
43297	1224	2	.	.	.
43297	1225	1	7	7	LS
43297	1225	2	.	.	.
43297	1226	1	"	"	``
43297	1226	2	Gesammelte	Gesammelte	NNP
43297	1226	3	Schriften	Schriften	NNP
43297	1226	4	.	.	.
43297	1226	5	"	"	''
43297	1227	1	H.	H.	NNP
43297	1227	2	Seger	Seger	NNP
43297	1227	3	.	.	.
43297	1228	1	Tonindustrie	Tonindustrie	NNP
43297	1228	2	Zeitung	Zeitung	NNP
43297	1228	3	Verlag	Verlag	NNP
43297	1228	4	.	.	.
43297	1229	1	Berlin	Berlin	NNP
43297	1229	2	.	.	.
43297	1230	1	1908	1908	CD
43297	1230	2	.	.	.
43297	1231	1	8	8	LS
43297	1231	2	.	.	.
43297	1232	1	"	"	``
43297	1232	2	Tonindustrie	Tonindustrie	NNP
43297	1232	3	Zeitung	Zeitung	NNP
43297	1232	4	.	.	.
43297	1232	5	"	"	''
43297	1233	1	1902	1902	CD
43297	1233	2	.	.	.
43297	1233	3	p.	p.	NN
43297	1233	4	1064	1064	CD
43297	1233	5	.	.	.
43297	1234	1	9	9	CD
43297	1234	2	.	.	.
43297	1235	1	"	"	``
43297	1235	2	Tonindustrie	Tonindustrie	NNP
43297	1235	3	Zeitung	Zeitung	NNP
43297	1235	4	.	.	.
43297	1235	5	"	"	''
43297	1236	1	1904	1904	CD
43297	1236	2	.	.	.
43297	1236	3	p.	p.	NN
43297	1236	4	773	773	CD
43297	1236	5	.	.	.
43297	1237	1	10	10	CD
43297	1237	2	.	.	.
43297	1238	1	"	"	``
43297	1238	2	Treatise	treatise	VB
43297	1238	3	on	on	IN
43297	1238	4	Ceramic	Ceramic	NNP
43297	1238	5	Industries	Industries	NNPS
43297	1238	6	.	.	.
43297	1238	7	"	"	''
43297	1239	1	E.	E.	NNP
43297	1239	2	Bourry	Bourry	NNP
43297	1239	3	(	(	-LRB-
43297	1239	4	Revised	revise	VBN
43297	1239	5	translation	translation	NN
43297	1239	6	by	by	IN
43297	1239	7	A.	a.	NN
43297	1240	1	B.	B.	NNP
43297	1240	2	Searle	Searle	NNP
43297	1240	3	)	)	-RRB-
43297	1240	4	.	.	.
43297	1241	1	Scott	Scott	NNP
43297	1241	2	,	,	,
43297	1241	3	Greenwood	Greenwood	NNP
43297	1241	4	and	and	CC
43297	1241	5	Son	Son	NNP
43297	1241	6	.	.	.
43297	1242	1	London	London	NNP
43297	1242	2	.	.	.
43297	1243	1	1911	1911	CD
43297	1243	2	.	.	.
43297	1244	1	11	11	CD
43297	1244	2	.	.	.
43297	1245	1	"	"	``
43297	1245	2	The	the	DT
43297	1245	3	Colloid	Colloid	NNP
43297	1245	4	Matter	Matter	NNP
43297	1245	5	of	of	IN
43297	1245	6	Clay	Clay	NNP
43297	1245	7	.	.	.
43297	1245	8	"	"	''
43297	1246	1	H.	H.	NNP
43297	1246	2	E.	E.	NNP
43297	1246	3	Ashley	Ashley	NNP
43297	1246	4	.	.	.
43297	1247	1	U.S.A.	U.S.A.	NNP
43297	1247	2	Geological	Geological	NNP
43297	1247	3	Survey	Survey	NNP
43297	1247	4	Bulletin	Bulletin	NNP
43297	1247	5	388	388	CD
43297	1247	6	.	.	.
43297	1248	1	Washington	Washington	NNP
43297	1248	2	.	.	.
43297	1249	1	1909	1909	CD
43297	1249	2	.	.	.
43297	1250	1	12	12	CD
43297	1250	2	.	.	.
43297	1251	1	"	"	``
43297	1251	2	Sprechsaal	Sprechsaal	NNP
43297	1251	3	.	.	.
43297	1251	4	"	"	''
43297	1252	1	1905	1905	CD
43297	1252	2	.	.	.
43297	1252	3	p.	p.	NN
43297	1252	4	123	123	CD
43297	1252	5	.	.	.
43297	1253	1	13	13	CD
43297	1253	2	.	.	.
43297	1254	1	"	"	``
43297	1254	2	Action	Action	NNP
43297	1254	3	of	of	IN
43297	1254	4	Heat	Heat	NNP
43297	1254	5	on	on	IN
43297	1254	6	Refractory	Refractory	NNP
43297	1254	7	Materials	material	NNS
43297	1254	8	.	.	.
43297	1254	9	"	"	''
43297	1255	1	J.	J.	NNP
43297	1255	2	W.	W.	NNP
43297	1255	3	Mellor	Mellor	NNP
43297	1255	4	and	and	CC
43297	1255	5	F.	F.	NNP
43297	1255	6	J.	J.	NNP
43297	1255	7	Austen	Austen	NNP
43297	1255	8	.	.	.
43297	1256	1	Trans	tran	NNS
43297	1256	2	.	.	.
43297	1257	1	Eng	Eng	NNP
43297	1257	2	.	.	.
43297	1258	1	Cer	cer	VB
43297	1258	2	.	.	.
43297	1259	1	Soc	Soc	NNP
43297	1259	2	.	.	.
43297	1260	1	VI	VI	NNP
43297	1260	2	.	.	.
43297	1261	1	Hughes	Hughes	NNP
43297	1261	2	and	and	CC
43297	1261	3	Harber	Harber	NNP
43297	1261	4	.	.	.
43297	1262	1	Longton	Longton	NNP
43297	1262	2	,	,	,
43297	1262	3	Staffs	Staffs	NNP
43297	1262	4	.	.	.
43297	1263	1	1906	1906	CD
43297	1263	2	.	.	.
43297	1264	1	14	14	CD
43297	1264	2	.	.	.
43297	1265	1	"	"	``
43297	1265	2	Wiedermann	Wiedermann	NNP
43297	1265	3	's	's	POS
43297	1265	4	Annalen	Annalen	NNP
43297	1265	5	.	.	.
43297	1265	6	"	"	''
43297	1266	1	VII	VII	NNP
43297	1266	2	.	.	.
43297	1267	1	p.	p.	NN
43297	1267	2	337	337	CD
43297	1267	3	.	.	.
43297	1268	1	15	15	CD
43297	1268	2	.	.	.
43297	1269	1	"	"	``
43297	1269	2	Geological	Geological	NNP
43297	1269	3	Contemporaneity	Contemporaneity	NNP
43297	1269	4	.	.	.
43297	1269	5	"	"	''
43297	1270	1	1862	1862	CD
43297	1270	2	.	.	.
43297	1271	1	16	16	CD
43297	1271	2	.	.	.
43297	1272	1	"	"	``
43297	1272	2	Geological	Geological	NNP
43297	1272	3	Magazine	Magazine	NNP
43297	1272	4	.	.	.
43297	1272	5	"	"	''
43297	1273	1	IV	IV	NNP
43297	1273	2	.	.	.
43297	1274	1	pp	pp	NNP
43297	1274	2	.	.	.
43297	1275	1	241	241	CD
43297	1275	2	,	,	,
43297	1275	3	299	299	CD
43297	1275	4	.	.	.
43297	1276	1	17	17	CD
43297	1276	2	.	.	.
43297	1277	1	"	"	``
43297	1277	2	La	La	NNP
43297	1277	3	Céramique	Céramique	NNP
43297	1277	4	industrielle	industrielle	NNP
43297	1277	5	.	.	.
43297	1277	6	"	"	''
43297	1278	1	A.	A.	NNP
43297	1278	2	Granger	Granger	NNP
43297	1278	3	.	.	.
43297	1279	1	Gauthier	Gauthier	NNP
43297	1279	2	Frères	Frères	NNP
43297	1279	3	.	.	.
43297	1280	1	Paris	Paris	NNP
43297	1280	2	.	.	.
43297	1281	1	1905	1905	CD
43297	1281	2	.	.	.
43297	1282	1	18	18	CD
43297	1282	2	.	.	.
43297	1283	1	"	"	``
43297	1283	2	American	American	NNP
43297	1283	3	Journal	Journal	NNP
43297	1283	4	of	of	IN
43297	1283	5	Science	Science	NNP
43297	1283	6	.	.	.
43297	1283	7	"	"	''
43297	1284	1	1871	1871	CD
43297	1284	2	.	.	.
43297	1284	3	p.	p.	NN
43297	1284	4	180	180	CD
43297	1284	5	.	.	.
43297	1285	1	19	19	CD
43297	1285	2	.	.	.
43297	1286	1	"	"	``
43297	1286	2	The	the	DT
43297	1286	3	Hensbarrow	Hensbarrow	NNP
43297	1286	4	District	District	NNP
43297	1286	5	.	.	.
43297	1286	6	"	"	''
43297	1287	1	J.	J.	NNP
43297	1287	2	H.	H.	NNP
43297	1287	3	Collins	Collins	NNP
43297	1287	4	.	.	.
43297	1288	1	Geological	Geological	NNP
43297	1288	2	Survey	Survey	NNP
43297	1288	3	.	.	.
43297	1289	1	1878	1878	CD
43297	1289	2	.	.	.
43297	1290	1	20	20	CD
43297	1290	2	.	.	.
43297	1291	1	"	"	``
43297	1291	2	Monographs	Monographs	NNP
43297	1291	3	of	of	IN
43297	1291	4	the	the	DT
43297	1291	5	U.S.A.	U.S.A.	NNP
43297	1291	6	Geological	Geological	NNP
43297	1291	7	Survey	Survey	NNP
43297	1291	8	.	.	.
43297	1291	9	"	"	''
43297	1292	1	XXVIII	XXVIII	NNP
43297	1292	2	.	.	.
43297	1293	1	C.	C.	NNP
43297	1293	2	R.	R.	NNP
43297	1293	3	van	van	NNP
43297	1293	4	Hise	Hise	NNP
43297	1293	5	.	.	.
43297	1294	1	1897	1897	CD
43297	1294	2	.	.	.
43297	1295	1	21	21	CD
43297	1295	2	.	.	.
43297	1296	1	"	"	``
43297	1296	2	On	on	IN
43297	1296	3	Kaolinite	Kaolinite	NNP
43297	1296	4	and	and	CC
43297	1296	5	Pholerite	Pholerite	NNP
43297	1296	6	.	.	.
43297	1296	7	"	"	''
43297	1297	1	American	American	NNP
43297	1297	2	Journal	Journal	NNP
43297	1297	3	of	of	IN
43297	1297	4	Science	Science	NNP
43297	1297	5	.	.	.
43297	1298	1	XLIII	XLIII	NNP
43297	1298	2	.	.	.
43297	1299	1	1867	1867	CD
43297	1299	2	.	.	.
43297	1300	1	22	22	CD
43297	1300	2	.	.	.
43297	1301	1	"	"	``
43297	1301	2	The	the	DT
43297	1301	3	Nomenclature	Nomenclature	NNP
43297	1301	4	of	of	IN
43297	1301	5	Clays	clay	NNS
43297	1301	6	.	.	.
43297	1301	7	"	"	''
43297	1302	1	J.	J.	NNP
43297	1302	2	W.	W.	NNP
43297	1302	3	Mellor	Mellor	NNP
43297	1302	4	.	.	.
43297	1303	1	Eng	Eng	NNP
43297	1303	2	.	.	.
43297	1304	1	Cer	cer	VB
43297	1304	2	.	.	.
43297	1305	1	Soc	Soc	NNP
43297	1305	2	.	.	.
43297	1306	1	VIII	VIII	NNP
43297	1306	2	.	.	.
43297	1307	1	Hughes	Hughes	NNP
43297	1307	2	and	and	CC
43297	1307	3	Harber	Harber	NNP
43297	1307	4	.	.	.
43297	1308	1	Longton	Longton	NNP
43297	1308	2	,	,	,
43297	1308	3	Staffs	Staffs	NNP
43297	1308	4	.	.	.
43297	1309	1	1908	1908	CD
43297	1309	2	.	.	.
43297	1310	1	23	23	CD
43297	1310	2	.	.	.
43297	1311	1	"	"	``
43297	1311	2	On	on	IN
43297	1311	3	the	the	DT
43297	1311	4	present	present	JJ
43297	1311	5	distribution	distribution	NN
43297	1311	6	of	of	IN
43297	1311	7	Coal	Coal	NNP
43297	1311	8	Balls	Balls	NNPS
43297	1311	9	.	.	.
43297	1311	10	"	"	''
43297	1312	1	M.	M.	NNP
43297	1312	2	C.	C.	NNP
43297	1312	3	Stopes	Stopes	NNP
43297	1312	4	and	and	CC
43297	1312	5	D.	D.	NNP
43297	1312	6	M.	M.	NNP
43297	1312	7	S.	S.	NNP
43297	1312	8	Watson	Watson	NNP
43297	1312	9	.	.	.
43297	1313	1	Phil	Phil	NNP
43297	1313	2	.	.	.
43297	1314	1	Trans	tran	NNS
43297	1314	2	.	.	.
43297	1315	1	Royal	Royal	NNP
43297	1315	2	Society	Society	NNP
43297	1315	3	.	.	.
43297	1316	1	B.	B.	NNP
43297	1316	2	Vol	Vol	NNP
43297	1316	3	.	.	.
43297	1317	1	CC	cc	NN
43297	1317	2	.	.	.
43297	1318	1	1908	1908	CD
43297	1318	2	.	.	.
43297	1319	1	24	24	CD
43297	1319	2	.	.	.
43297	1320	1	"	"	``
43297	1320	2	Natural	natural	JJ
43297	1320	3	History	history	NN
43297	1320	4	of	of	IN
43297	1320	5	Coal	Coal	NNP
43297	1320	6	.	.	.
43297	1320	7	"	"	''
43297	1321	1	E.	E.	NNP
43297	1321	2	A.	A.	NNP
43297	1321	3	N.	N.	NNP
43297	1321	4	Arber	Arber	NNP
43297	1321	5	.	.	.
43297	1322	1	Cambridge	Cambridge	NNP
43297	1322	2	University	University	NNP
43297	1322	3	Press	Press	NNP
43297	1322	4	.	.	.
43297	1323	1	1911	1911	CD
43297	1323	2	.	.	.
43297	1324	1	25	25	CD
43297	1324	2	.	.	.
43297	1325	1	"	"	``
43297	1325	2	Modern	modern	JJ
43297	1325	3	Brickmaking	brickmaking	NN
43297	1325	4	.	.	.
43297	1325	5	"	"	''
43297	1326	1	A.	A.	NNP
43297	1327	1	B.	B.	NNP
43297	1327	2	Searle	Searle	NNP
43297	1327	3	.	.	.
43297	1328	1	Scott	Scott	NNP
43297	1328	2	,	,	,
43297	1328	3	Greenwood	Greenwood	NNP
43297	1328	4	and	and	CC
43297	1328	5	Son	Son	NNP
43297	1328	6	.	.	.
43297	1329	1	London	London	NNP
43297	1329	2	.	.	.
43297	1330	1	1911	1911	CD
43297	1330	2	.	.	.
43297	1331	1	26	26	CD
43297	1331	2	.	.	.
43297	1332	1	"	"	``
43297	1332	2	Die	die	VB
43297	1332	3	verschiedene	verschiedene	NN
43297	1332	4	Arten	Arten	NNP
43297	1332	5	der	der	VBP
43297	1332	6	Verwitterung	Verwitterung	NNP
43297	1332	7	.	.	.
43297	1332	8	"	"	''
43297	1333	1	J.	J.	NNP
43297	1333	2	M.	M.	NNP
43297	1333	3	van	van	NNP
43297	1333	4	Bemmelen	Bemmelen	NNP
43297	1333	5	.	.	.
43297	1334	1	Zeits	Zeits	NNP
43297	1334	2	.	.	.
43297	1335	1	angewandte	angewandte	NNP
43297	1335	2	Chemie	Chemie	NNP
43297	1335	3	.	.	.
43297	1336	1	LXVI	LXVI	NNP
43297	1336	2	.	.	.
43297	1337	1	Leopold	Leopold	NNP
43297	1337	2	Voss	Voss	NNP
43297	1337	3	Verlag	Verlag	NNP
43297	1337	4	.	.	.
43297	1338	1	Hamburg	Hamburg	NNP
43297	1338	2	.	.	.
43297	1339	1	1910	1910	CD
43297	1339	2	.	.	.
43297	1340	1	27	27	CD
43297	1340	2	.	.	.
43297	1341	1	"	"	``
43297	1341	2	Pyrometrische	Pyrometrische	NNP
43297	1341	3	Beleuchtung	Beleuchtung	NNP
43297	1341	4	.	.	.
43297	1341	5	"	"	''
43297	1342	1	Carl	Carl	NNP
43297	1342	2	Bischof	Bischof	NNP
43297	1342	3	.	.	.
43297	1343	1	Tonindustrie	Tonindustrie	NNP
43297	1343	2	Zeitung	Zeitung	NNP
43297	1343	3	.	.	.
43297	1344	1	1877	1877	CD
43297	1344	2	.	.	.
43297	1345	1	28	28	CD
43297	1345	2	.	.	.
43297	1346	1	"	"	``
43297	1346	2	Die	die	VB
43297	1346	3	feuerfeste	feuerfeste	NN
43297	1346	4	Tone	tone	NN
43297	1346	5	.	.	.
43297	1346	6	"	"	''
43297	1347	1	Carl	Carl	NNP
43297	1347	2	Bischof	Bischof	NNP
43297	1347	3	.	.	.
43297	1348	1	Quandt	Quandt	NNP
43297	1348	2	and	and	CC
43297	1348	3	Haendler	Haendler	NNP
43297	1348	4	.	.	.
43297	1349	1	Leipzig	Leipzig	NNP
43297	1349	2	.	.	.
43297	1350	1	1904	1904	CD
43297	1350	2	.	.	.
43297	1351	1	29	29	CD
43297	1351	2	.	.	.
43297	1352	1	"	"	``
43297	1352	2	The	the	DT
43297	1352	3	Chemical	Chemical	NNP
43297	1352	4	Constitution	Constitution	NNP
43297	1352	5	of	of	IN
43297	1352	6	the	the	DT
43297	1352	7	Kaolinite	Kaolinite	NNP
43297	1352	8	Molecule	Molecule	NNP
43297	1352	9	.	.	.
43297	1352	10	"	"	''
43297	1353	1	Trans	tran	NNS
43297	1353	2	.	.	.
43297	1354	1	Eng	Eng	NNP
43297	1354	2	.	.	.
43297	1355	1	Cer	cer	VB
43297	1355	2	.	.	.
43297	1356	1	Soc	Soc	NNP
43297	1356	2	.	.	.
43297	1357	1	X.	X.	NNP
43297	1357	2	Hughes	Hughes	NNP
43297	1357	3	and	and	CC
43297	1357	4	Harber	Harber	NNP
43297	1357	5	.	.	.
43297	1358	1	Longton	Longton	NNP
43297	1358	2	,	,	,
43297	1358	3	Staffs	Staffs	NNP
43297	1358	4	.	.	.
43297	1359	1	1911	1911	CD
43297	1359	2	.	.	.
43297	1360	1	30	30	CD
43297	1360	2	.	.	.
43297	1361	1	"	"	``
43297	1361	2	Tabellarische	Tabellarische	NNP
43297	1361	3	Uebersicht	Uebersicht	NNP
43297	1361	4	der	der	VBP
43297	1361	5	Mineralien	Mineralien	NNP
43297	1361	6	.	.	.
43297	1361	7	"	"	''
43297	1362	1	P.	P.	NNP
43297	1362	2	Groth	Groth	NNP
43297	1362	3	.	.	.
43297	1363	1	Brunswick	Brunswick	NNP
43297	1363	2	.	.	.
43297	1364	1	1898	1898	CD
43297	1364	2	.	.	.
43297	1365	1	31	31	CD
43297	1365	2	.	.	.
43297	1366	1	"	"	``
43297	1366	2	West	West	NNP
43297	1366	3	Virginia	Virginia	NNP
43297	1366	4	Geological	Geological	NNP
43297	1366	5	Survey	Survey	NNP
43297	1366	6	.	.	.
43297	1366	7	"	"	''
43297	1367	1	III	iii	CD
43297	1367	2	.	.	.
43297	1368	1	1906	1906	CD
43297	1368	2	.	.	.
43297	1369	1	32	32	CD
43297	1369	2	.	.	.
43297	1370	1	"	"	``
43297	1370	2	Memoirs	memoir	NNS
43297	1370	3	of	of	IN
43297	1370	4	the	the	DT
43297	1370	5	Geological	Geological	NNP
43297	1370	6	Survey	Survey	NNP
43297	1370	7	.	.	.
43297	1370	8	"	"	''
43297	1371	1	London	London	NNP
43297	1371	2	.	.	.
43297	1372	1	33	33	CD
43297	1372	2	.	.	.
43297	1373	1	"	"	``
43297	1373	2	The	the	DT
43297	1373	3	Publications	Publications	NNPS
43297	1373	4	of	of	IN
43297	1373	5	Stanford	Stanford	NNP
43297	1373	6	's	's	POS
43297	1373	7	Geographical	Geographical	NNP
43297	1373	8	Institute	Institute	NNP
43297	1373	9	.	.	.
43297	1373	10	"	"	''
43297	1374	1	London	London	NNP
43297	1374	2	.	.	.
43297	1375	1	34	34	CD
43297	1375	2	.	.	.
43297	1376	1	"	"	``
43297	1376	2	Handbuch	handbuch	NN
43297	1376	3	der	der	NN
43297	1376	4	gesam	gesam	NN
43297	1376	5	.	.	.
43297	1377	1	Tonwarenindustrie	Tonwarenindustrie	NNP
43297	1377	2	.	.	.
43297	1377	3	"	"	''
43297	1378	1	B.	B.	NNP
43297	1378	2	Kerl	Kerl	NNP
43297	1378	3	.	.	.
43297	1379	1	Verlag	Verlag	NNP
43297	1379	2	der	der	NNP
43297	1379	3	Tonindustrie	Tonindustrie	NNP
43297	1379	4	Zeitung	Zeitung	NNP
43297	1379	5	.	.	.
43297	1380	1	1910	1910	CD
43297	1380	2	.	.	.
43297	1381	1	35	35	CD
43297	1381	2	.	.	.
43297	1382	1	"	"	``
43297	1382	2	Causal	Causal	NNP
43297	1382	3	Geology	geology	NN
43297	1382	4	.	.	.
43297	1382	5	"	"	''
43297	1383	1	E.	E.	NNP
43297	1383	2	H.	H.	NNP
43297	1383	3	L.	L.	NNP
43297	1383	4	Schwarz	Schwarz	NNP
43297	1383	5	.	.	.
43297	1384	1	Blackie	Blackie	NNP
43297	1384	2	and	and	CC
43297	1384	3	Sons	Sons	NNPS
43297	1384	4	,	,	,
43297	1384	5	Ltd.	Ltd.	NNP
43297	1384	6	1910	1910	CD
43297	1384	7	.	.	.
43297	1385	1	36	36	CD
43297	1385	2	.	.	.
43297	1386	1	"	"	``
43297	1386	2	China	China	NNP
43297	1386	3	Clay	Clay	NNP
43297	1386	4	:	:	:
43297	1386	5	its	-PRON-	PRP$
43297	1386	6	nature	nature	NN
43297	1386	7	and	and	CC
43297	1386	8	origin	origin	NN
43297	1386	9	.	.	.
43297	1386	10	"	"	''
43297	1387	1	G.	G.	NNP
43297	1387	2	Hickling	Hickling	NNP
43297	1387	3	.	.	.
43297	1388	1	Trans	tran	NNS
43297	1388	2	.	.	.
43297	1389	1	Inst	inst	RB
43297	1389	2	.	.	.
43297	1390	1	Mining	Mining	NNP
43297	1390	2	Engineers	Engineers	NNPS
43297	1390	3	.	.	.
43297	1391	1	1908	1908	CD
43297	1391	2	.	.	.
43297	1392	1	INDEX	INDEX	NNP
43297	1392	2	Absorption	Absorption	NNP
43297	1392	3	,	,	,
43297	1392	4	40	40	CD
43297	1392	5	,	,	,
43297	1392	6	151	151	CD
43297	1392	7	Absorptive	absorptive	JJ
43297	1392	8	power	power	NN
43297	1392	9	of	of	IN
43297	1392	10	clays	clay	NNS
43297	1392	11	,	,	,
43297	1392	12	40	40	CD
43297	1392	13	Accumulation	accumulation	NN
43297	1392	14	of	of	IN
43297	1392	15	clays	clay	NNS
43297	1392	16	,	,	,
43297	1392	17	84	84	CD
43297	1392	18	Acid	acid	NN
43297	1392	19	-	-	HYPH
43297	1392	20	proof	proof	NN
43297	1392	21	ware	ware	NN
43297	1392	22	,	,	,
43297	1392	23	113	113	CD
43297	1392	24	Acids	Acids	NNPS
43297	1392	25	,	,	,
43297	1392	26	effect	effect	NN
43297	1392	27	of	of	IN
43297	1392	28	,	,	,
43297	1392	29	106	106	CD
43297	1392	30	,	,	,
43297	1392	31	151	151	CD
43297	1392	32	,	,	,
43297	1392	33	152	152	CD
43297	1392	34	Adsorption	Adsorption	NNP
43297	1392	35	,	,	,
43297	1392	36	40	40	CD
43297	1392	37	,	,	,
43297	1392	38	150	150	CD
43297	1392	39	Agriculture	Agriculture	NNP
43297	1392	40	,	,	,
43297	1392	41	clays	clay	NNS
43297	1392	42	in	in	IN
43297	1392	43	,	,	,
43297	1392	44	5	5	CD
43297	1392	45	,	,	,
43297	1392	46	56	56	CD
43297	1392	47	,	,	,
43297	1392	48	57	57	CD
43297	1392	49	,	,	,
43297	1392	50	59	59	CD
43297	1392	51	,	,	,
43297	1392	52	61	61	CD
43297	1392	53	,	,	,
43297	1392	54	62	62	CD
43297	1392	55	,	,	,
43297	1392	56	63	63	CD
43297	1392	57	,	,	,
43297	1392	58	67	67	CD
43297	1392	59	Air	air	NN
43297	1392	60	,	,	,
43297	1392	61	43	43	CD
43297	1392	62	,	,	,
43297	1392	63	85	85	CD
43297	1392	64	Alkalies	alkali	NNS
43297	1392	65	in	in	IN
43297	1392	66	clay	clay	NN
43297	1392	67	,	,	,
43297	1392	68	38	38	CD
43297	1392	69	,	,	,
43297	1392	70	115	115	CD
43297	1392	71	,	,	,
43297	1392	72	133	133	CD
43297	1392	73	,	,	,
43297	1392	74	142	142	CD
43297	1392	75	,	,	,
43297	1392	76	143	143	CD
43297	1392	77	,	,	,
43297	1392	78	155	155	CD
43297	1392	79	Alluvial	alluvial	JJ
43297	1392	80	deposits	deposit	NNS
43297	1392	81	,	,	,
43297	1392	82	68	68	CD
43297	1392	83	,	,	,
43297	1392	84	87	87	CD
43297	1392	85	,	,	,
43297	1392	86	112	112	CD
43297	1392	87	,	,	,
43297	1392	88	132	132	CD
43297	1392	89	Alum	Alum	NNP
43297	1392	90	clays	clay	NNS
43297	1392	91	and	and	CC
43297	1392	92	shales	shale	NNS
43297	1392	93	,	,	,
43297	1392	94	57	57	CD
43297	1392	95	,	,	,
43297	1392	96	123	123	CD
43297	1392	97	,	,	,
43297	1392	98	124	124	CD
43297	1392	99	Alum	Alum	NNP
43297	1392	100	manufacture	manufacture	NN
43297	1392	101	,	,	,
43297	1392	102	clays	clay	NNS
43297	1392	103	for	for	IN
43297	1392	104	,	,	,
43297	1392	105	124	124	CD
43297	1392	106	Alumina	Alumina	NNP
43297	1392	107	,	,	,
43297	1392	108	6	6	CD
43297	1392	109	Alumina	Alumina	NNP
43297	1392	110	,	,	,
43297	1392	111	free	free	JJ
43297	1392	112	,	,	,
43297	1392	113	80	80	CD
43297	1392	114	,	,	,
43297	1392	115	82	82	CD
43297	1392	116	,	,	,
43297	1392	117	154	154	CD
43297	1392	118	Alumina	Alumina	NNP
43297	1392	119	-	-	HYPH
43297	1392	120	silica	silica	NN
43297	1392	121	ratio	ratio	NN
43297	1392	122	,	,	,
43297	1392	123	133	133	CD
43297	1392	124	,	,	,
43297	1392	125	159	159	CD
43297	1392	126	Alumino	Alumino	NNP
43297	1392	127	-	-	HYPH
43297	1392	128	silicic	silicic	NN
43297	1392	129	acid	acid	NN
43297	1392	130	,	,	,
43297	1392	131	6	6	CD
43297	1392	132	,	,	,
43297	1392	133	76	76	CD
43297	1392	134	,	,	,
43297	1392	135	81	81	CD
43297	1392	136	,	,	,
43297	1392	137	118	118	CD
43297	1392	138	,	,	,
43297	1392	139	155	155	CD
43297	1392	140	,	,	,
43297	1392	141	157	157	CD
43297	1392	142	Aluminous	aluminous	JJ
43297	1392	143	clays	clay	NNS
43297	1392	144	,	,	,
43297	1392	145	82	82	CD
43297	1392	146	,	,	,
43297	1392	147	117	117	CD
43297	1392	148	'	'	``
43297	1392	149	Amorphous	amorphous	JJ
43297	1392	150	'	'	''
43297	1392	151	clay	clay	NN
43297	1392	152	,	,	,
43297	1392	153	107	107	CD
43297	1392	154	,	,	,
43297	1392	155	146	146	CD
43297	1392	156	Analyses	analysis	NNS
43297	1392	157	of	of	IN
43297	1392	158	clays	clay	NNS
43297	1392	159	,	,	,
43297	1392	160	16	16	CD
43297	1392	161	,	,	,
43297	1392	162	141	141	CD
43297	1392	163	,	,	,
43297	1392	164	144	144	CD
43297	1392	165	Anauxite	anauxite	JJ
43297	1392	166	,	,	,
43297	1392	167	134	134	CD
43297	1392	168	Architectural	Architectural	NNP
43297	1392	169	ware	ware	NN
43297	1392	170	,	,	,
43297	1392	171	129	129	CD
43297	1392	172	,	,	,
43297	1392	173	130	130	CD
43297	1392	174	Argillaceous	argillaceous	JJ
43297	1392	175	earths	earth	NNS
43297	1392	176	,	,	,
43297	1392	177	1	1	CD
43297	1392	178	Argillaceous	argillaceous	JJ
43297	1392	179	limestone	limestone	NN
43297	1392	180	,	,	,
43297	1392	181	88	88	CD
43297	1392	182	,	,	,
43297	1392	183	132	132	CD
43297	1392	184	Associated	Associated	NNP
43297	1392	185	rocks	rock	NNS
43297	1392	186	,	,	,
43297	1392	187	48	48	CD
43297	1392	188	Bagshot	bagshot	JJ
43297	1392	189	clays	clay	NNS
43297	1392	190	and	and	CC
43297	1392	191	sands	sand	NNS
43297	1392	192	,	,	,
43297	1392	193	64	64	CD
43297	1392	194	,	,	,
43297	1392	195	125	125	CD
43297	1392	196	Ball	Ball	NNP
43297	1392	197	clays	clay	NNS
43297	1392	198	,	,	,
43297	1392	199	6	6	CD
43297	1392	200	,	,	,
43297	1392	201	19	19	CD
43297	1392	202	,	,	,
43297	1392	203	28	28	CD
43297	1392	204	,	,	,
43297	1392	205	62	62	CD
43297	1392	206	,	,	,
43297	1392	207	64	64	CD
43297	1392	208	,	,	,
43297	1392	209	82	82	CD
43297	1392	210	,	,	,
43297	1392	211	110	110	CD
43297	1392	212	,	,	,
43297	1392	213	115	115	CD
43297	1392	214	,	,	,
43297	1392	215	119	119	CD
43297	1392	216	,	,	,
43297	1392	217	125	125	CD
43297	1392	218	,	,	,
43297	1392	219	138	138	CD
43297	1392	220	,	,	,
43297	1392	221	141	141	CD
43297	1392	222	,	,	,
43297	1392	223	156	156	CD
43297	1392	224	,	,	,
43297	1392	225	166	166	CD
43297	1392	226	Bending	bending	NN
43297	1392	227	of	of	IN
43297	1392	228	clay	clay	NN
43297	1392	229	,	,	,
43297	1392	230	33	33	CD
43297	1392	231	Bibliography	Bibliography	NNP
43297	1392	232	,	,	,
43297	1392	233	168	168	CD
43297	1392	234	Binding	bind	VBG
43297	1392	235	power	power	NN
43297	1392	236	,	,	,
43297	1392	237	28	28	CD
43297	1392	238	,	,	,
43297	1392	239	151	151	CD
43297	1392	240	Binds	Binds	NNPS
43297	1392	241	,	,	,
43297	1392	242	53	53	CD
43297	1392	243	Bituminous	bituminous	JJ
43297	1392	244	shales	shale	NNS
43297	1392	245	,	,	,
43297	1392	246	57	57	CD
43297	1392	247	,	,	,
43297	1392	248	59	59	CD
43297	1392	249	Black	black	JJ
43297	1392	250	spots	spot	NNS
43297	1392	251	,	,	,
43297	1392	252	14	14	CD
43297	1392	253	,	,	,
43297	1392	254	128	128	CD
43297	1392	255	Black	black	JJ
43297	1392	256	ware	ware	NN
43297	1392	257	,	,	,
43297	1392	258	113	113	CD
43297	1392	259	Bleaching	Bleaching	NNP
43297	1392	260	oil	oil	NN
43297	1392	261	,	,	,
43297	1392	262	134	134	CD
43297	1392	263	Blue	Blue	NNP
43297	1392	264	bricks	brick	NNS
43297	1392	265	,	,	,
43297	1392	266	13	13	CD
43297	1392	267	,	,	,
43297	1392	268	56	56	CD
43297	1392	269	Bone	Bone	NNP
43297	1392	270	-	-	HYPH
43297	1392	271	ash	ash	NNP
43297	1392	272	,	,	,
43297	1392	273	110	110	CD
43297	1392	274	Boulder	Boulder	NNP
43297	1392	275	clays	clay	NNS
43297	1392	276	,	,	,
43297	1392	277	3	3	CD
43297	1392	278	,	,	,
43297	1392	279	7	7	CD
43297	1392	280	,	,	,
43297	1392	281	10	10	CD
43297	1392	282	,	,	,
43297	1392	283	65	65	CD
43297	1392	284	,	,	,
43297	1392	285	101	101	CD
43297	1392	286	Bovey	Bovey	NNP
43297	1392	287	Tracey	Tracey	NNP
43297	1392	288	clay	clay	NN
43297	1392	289	,	,	,
43297	1392	290	62	62	CD
43297	1392	291	Brick	Brick	NNP
43297	1392	292	clays	clay	NNS
43297	1392	293	,	,	,
43297	1392	294	earths	earth	NNS
43297	1392	295	and	and	CC
43297	1392	296	shales	shale	NNS
43297	1392	297	,	,	,
43297	1392	298	1	1	CD
43297	1392	299	,	,	,
43297	1392	300	2	2	CD
43297	1392	301	,	,	,
43297	1392	302	5	5	CD
43297	1392	303	,	,	,
43297	1392	304	10	10	CD
43297	1392	305	,	,	,
43297	1392	306	11	11	CD
43297	1392	307	,	,	,
43297	1392	308	12	12	CD
43297	1392	309	,	,	,
43297	1392	310	13	13	CD
43297	1392	311	,	,	,
43297	1392	312	31	31	CD
43297	1392	313	,	,	,
43297	1392	314	37	37	CD
43297	1392	315	,	,	,
43297	1392	316	40	40	CD
43297	1392	317	,	,	,
43297	1392	318	46	46	CD
43297	1392	319	,	,	,
43297	1392	320	56	56	CD
43297	1392	321	,	,	,
43297	1392	322	57	57	CD
43297	1392	323	,	,	,
43297	1392	324	59	59	CD
43297	1392	325	,	,	,
43297	1392	326	61	61	CD
43297	1392	327	,	,	,
43297	1392	328	63	63	CD
43297	1392	329	,	,	,
43297	1392	330	65	65	CD
43297	1392	331	,	,	,
43297	1392	332	67	67	CD
43297	1392	333	,	,	,
43297	1392	334	68	68	CD
43297	1392	335	,	,	,
43297	1392	336	91	91	CD
43297	1392	337	,	,	,
43297	1392	338	100	100	CD
43297	1392	339	,	,	,
43297	1392	340	101	101	CD
43297	1392	341	,	,	,
43297	1392	342	104	104	CD
43297	1392	343	,	,	,
43297	1392	344	112	112	CD
43297	1392	345	,	,	,
43297	1392	346	117	117	CD
43297	1392	347	,	,	,
43297	1392	348	123	123	CD
43297	1392	349	,	,	,
43297	1392	350	125	125	CD
43297	1392	351	,	,	,
43297	1392	352	129	129	CD
43297	1392	353	,	,	,
43297	1392	354	138	138	CD
43297	1392	355	,	,	,
43297	1392	356	162	162	CD
43297	1392	357	,	,	,
43297	1392	358	166	166	CD
43297	1392	359	Brittleness	Brittleness	NNP
43297	1392	360	,	,	,
43297	1392	361	46	46	CD
43297	1392	362	Brown	brown	JJ
43297	1392	363	ware	ware	NN
43297	1392	364	,	,	,
43297	1392	365	113	113	CD
43297	1392	366	Buff	Buff	NNP
43297	1392	367	bricks	brick	NNS
43297	1392	368	,	,	,
43297	1392	369	128	128	CD
43297	1392	370	Burned	burn	VBN
43297	1392	371	clay	clay	NN
43297	1392	372	,	,	,
43297	1392	373	28	28	CD
43297	1392	374	,	,	,
43297	1392	375	31	31	CD
43297	1392	376	,	,	,
43297	1392	377	41	41	CD
43297	1392	378	,	,	,
43297	1392	379	119	119	CD
43297	1392	380	,	,	,
43297	1392	381	121	121	CD
43297	1392	382	Calcareous	calcareous	JJ
43297	1392	383	clays	clay	NNS
43297	1392	384	,	,	,
43297	1392	385	38	38	CD
43297	1392	386	,	,	,
43297	1392	387	61	61	CD
43297	1392	388	,	,	,
43297	1392	389	68	68	CD
43297	1392	390	,	,	,
43297	1392	391	88	88	CD
43297	1392	392	,	,	,
43297	1392	393	133	133	CD
43297	1392	394	,	,	,
43297	1392	395	139	139	CD
43297	1392	396	,	,	,
43297	1392	397	166	166	CD
43297	1392	398	Calcareous	calcareous	JJ
43297	1392	399	sands	sand	NNS
43297	1392	400	,	,	,
43297	1392	401	88	88	CD
43297	1392	402	Calcium	Calcium	NNP
43297	1392	403	,	,	,
43297	1392	404	see	see	VB
43297	1392	405	_	_	NNP
43297	1392	406	Lime	Lime	NNP
43297	1392	407	compounds	compound	NNS
43297	1392	408	_	_	NNP
43297	1392	409	Cambrian	cambrian	JJ
43297	1392	410	clays	clay	NNS
43297	1392	411	,	,	,
43297	1392	412	51	51	CD
43297	1392	413	Carbon	carbon	NN
43297	1392	414	in	in	IN
43297	1392	415	clay	clay	NN
43297	1392	416	,	,	,
43297	1392	417	15	15	CD
43297	1392	418	,	,	,
43297	1392	419	119	119	CD
43297	1392	420	,	,	,
43297	1392	421	144	144	CD
43297	1392	422	Carbonates	Carbonates	NNPS
43297	1392	423	in	in	IN
43297	1392	424	clay	clay	NN
43297	1392	425	,	,	,
43297	1392	426	10	10	CD
43297	1392	427	,	,	,
43297	1392	428	82	82	CD
43297	1392	429	Carboniferous	carboniferous	JJ
43297	1392	430	clays	clay	NNS
43297	1392	431	and	and	CC
43297	1392	432	shales	shale	NNS
43297	1392	433	,	,	,
43297	1392	434	52	52	CD
43297	1392	435	,	,	,
43297	1392	436	124	124	CD
43297	1392	437	Carboniferous	carboniferous	JJ
43297	1392	438	limestone	limestone	NN
43297	1392	439	,	,	,
43297	1392	440	52	52	CD
43297	1392	441	,	,	,
43297	1392	442	108	108	CD
43297	1392	443	Carclazite	Carclazite	NNP
43297	1392	444	,	,	,
43297	1392	445	78	78	CD
43297	1392	446	,	,	,
43297	1392	447	106	106	CD
43297	1392	448	Cellulose	cellulose	NN
43297	1392	449	in	in	IN
43297	1392	450	clays	clay	NNS
43297	1392	451	,	,	,
43297	1392	452	27	27	CD
43297	1392	453	Cement	cement	NN
43297	1392	454	clays	clay	NNS
43297	1392	455	,	,	,
43297	1392	456	57	57	CD
43297	1392	457	,	,	,
43297	1392	458	104	104	CD
43297	1392	459	,	,	,
43297	1392	460	131	131	CD
43297	1392	461	Chalcopyrite	Chalcopyrite	NNP
43297	1392	462	,	,	,
43297	1392	463	14	14	CD
43297	1392	464	Chalk	Chalk	NNP
43297	1392	465	,	,	,
43297	1392	466	10	10	CD
43297	1392	467	,	,	,
43297	1392	468	11	11	CD
43297	1392	469	,	,	,
43297	1392	470	61	61	CD
43297	1392	471	,	,	,
43297	1392	472	67	67	CD
43297	1392	473	,	,	,
43297	1392	474	68	68	CD
43297	1392	475	,	,	,
43297	1392	476	88	88	CD
43297	1392	477	,	,	,
43297	1392	478	116	116	CD
43297	1392	479	,	,	,
43297	1392	480	127	127	CD
43297	1392	481	,	,	,
43297	1392	482	128	128	CD
43297	1392	483	,	,	,
43297	1392	484	132	132	CD
43297	1392	485	,	,	,
43297	1392	486	134	134	CD
43297	1392	487	,	,	,
43297	1392	488	139	139	CD
43297	1392	489	Chamotte	Chamotte	NNP
43297	1392	490	,	,	,
43297	1392	491	121	121	CD
43297	1392	492	Chemical	Chemical	NNP
43297	1392	493	properties	property	NNS
43297	1392	494	of	of	IN
43297	1392	495	clay	clay	NN
43297	1392	496	,	,	,
43297	1392	497	6	6	CD
43297	1392	498	China	China	NNP
43297	1392	499	clay	clay	NN
43297	1392	500	rock	rock	NN
43297	1392	501	,	,	,
43297	1392	502	78	78	CD
43297	1392	503	,	,	,
43297	1392	504	106	106	CD
43297	1392	505	,	,	,
43297	1392	506	116	116	CD
43297	1392	507	China	China	NNP
43297	1392	508	clays	clay	NNS
43297	1392	509	,	,	,
43297	1392	510	2	2	CD
43297	1392	511	,	,	,
43297	1392	512	5	5	CD
43297	1392	513	,	,	,
43297	1392	514	6	6	CD
43297	1392	515	,	,	,
43297	1392	516	7	7	CD
43297	1392	517	,	,	,
43297	1392	518	9	9	CD
43297	1392	519	,	,	,
43297	1392	520	22	22	CD
43297	1392	521	,	,	,
43297	1392	522	27	27	CD
43297	1392	523	,	,	,
43297	1392	524	40	40	CD
43297	1392	525	,	,	,
43297	1392	526	49	49	CD
43297	1392	527	,	,	,
43297	1392	528	64	64	CD
43297	1392	529	,	,	,
43297	1392	530	71	71	CD
43297	1392	531	,	,	,
43297	1392	532	75	75	CD
43297	1392	533	,	,	,
43297	1392	534	78	78	CD
43297	1392	535	,	,	,
43297	1392	536	82	82	CD
43297	1392	537	,	,	,
43297	1392	538	84	84	CD
43297	1392	539	,	,	,
43297	1392	540	104	104	CD
43297	1392	541	,	,	,
43297	1392	542	110	110	CD
43297	1392	543	,	,	,
43297	1392	544	116	116	CD
43297	1392	545	,	,	,
43297	1392	546	141	141	CD
43297	1392	547	,	,	,
43297	1392	548	146	146	CD
43297	1392	549	,	,	,
43297	1392	550	147	147	CD
43297	1392	551	,	,	,
43297	1392	552	148	148	CD
43297	1392	553	,	,	,
43297	1392	554	156	156	CD
43297	1392	555	,	,	,
43297	1392	556	165	165	CD
43297	1392	557	China	China	NNP
43297	1392	558	-	-	HYPH
43297	1392	559	ware	ware	NNP
43297	1392	560	,	,	,
43297	1392	561	109	109	CD
43297	1392	562	,	,	,
43297	1392	563	110	110	CD
43297	1392	564	Chinese	chinese	JJ
43297	1392	565	clay	clay	NN
43297	1392	566	,	,	,
43297	1392	567	73	73	CD
43297	1392	568	Classification	classification	NN
43297	1392	569	of	of	IN
43297	1392	570	clays	clay	NNS
43297	1392	571	,	,	,
43297	1392	572	163	163	CD
43297	1392	573	Clay	clay	NN
43297	1392	574	molecule	molecule	NN
43297	1392	575	,	,	,
43297	1392	576	156	156	CD
43297	1392	577	Clay	clay	NN
43297	1392	578	-	-	HYPH
43297	1392	579	shales	shale	NNS
43297	1392	580	,	,	,
43297	1392	581	122	122	CD
43297	1392	582	Clay	clay	NN
43297	1392	583	substance	substance	NN
43297	1392	584	,	,	,
43297	1392	585	135	135	CD
43297	1392	586	_	_	NNP
43297	1392	587	et	et	NNP
43297	1392	588	seq	seq	NN
43297	1392	589	.	.	.
43297	1392	590	_	_	NNP
43297	1392	591	Clay	Clay	NNP
43297	1392	592	substance	substance	NN
43297	1392	593	,	,	,
43297	1392	594	defined	define	VBN
43297	1392	595	,	,	,
43297	1392	596	150	150	CD
43297	1392	597	Clayite	Clayite	NNP
43297	1392	598	,	,	,
43297	1392	599	83	83	CD
43297	1392	600	,	,	,
43297	1392	601	107	107	CD
43297	1392	602	,	,	,
43297	1392	603	147	147	CD
43297	1392	604	,	,	,
43297	1392	605	149	149	CD
43297	1392	606	Clinker	Clinker	NNP
43297	1392	607	,	,	,
43297	1392	608	132	132	CD
43297	1392	609	Clunches	clunch	NNS
43297	1392	610	,	,	,
43297	1392	611	118	118	CD
43297	1392	612	Coagulated	coagulate	VBN
43297	1392	613	clays	clay	NNS
43297	1392	614	,	,	,
43297	1392	615	97	97	CD
43297	1392	616	Coagulation	coagulation	NN
43297	1392	617	,	,	,
43297	1392	618	43	43	CD
43297	1392	619	,	,	,
43297	1392	620	152	152	CD
43297	1392	621	Coal	Coal	NNP
43297	1392	622	Measure	Measure	NNP
43297	1392	623	clays	clay	NNS
43297	1392	624	and	and	CC
43297	1392	625	shales	shale	NNS
43297	1392	626	,	,	,
43297	1392	627	53	53	CD
43297	1392	628	,	,	,
43297	1392	629	96	96	CD
43297	1392	630	,	,	,
43297	1392	631	103	103	CD
43297	1392	632	,	,	,
43297	1392	633	117	117	CD
43297	1392	634	,	,	,
43297	1392	635	124	124	CD
43297	1392	636	,	,	,
43297	1392	637	130	130	CD
43297	1392	638	Coarse	coarse	JJ
43297	1392	639	pottery	pottery	NN
43297	1392	640	,	,	,
43297	1392	641	112	112	CD
43297	1392	642	Cobalt	Cobalt	NNP
43297	1392	643	,	,	,
43297	1392	644	110	110	CD
43297	1392	645	Colloid	colloid	NN
43297	1392	646	theory	theory	NN
43297	1392	647	,	,	,
43297	1392	648	97	97	CD
43297	1392	649	Colloidal	colloidal	JJ
43297	1392	650	properties	property	NNS
43297	1392	651	of	of	IN
43297	1392	652	clay	clay	NN
43297	1392	653	,	,	,
43297	1392	654	25	25	CD
43297	1392	655	,	,	,
43297	1392	656	81	81	CD
43297	1392	657	,	,	,
43297	1392	658	82	82	CD
43297	1392	659	,	,	,
43297	1392	660	97	97	CD
43297	1392	661	,	,	,
43297	1392	662	106	106	CD
43297	1392	663	,	,	,
43297	1392	664	147	147	CD
43297	1392	665	,	,	,
43297	1392	666	150	150	CD
43297	1392	667	,	,	,
43297	1392	668	152	152	CD
43297	1392	669	Colloidal	Colloidal	NNP
43297	1392	670	silica	silica	NN
43297	1392	671	,	,	,
43297	1392	672	81	81	CD
43297	1392	673	,	,	,
43297	1392	674	134	134	CD
43297	1392	675	,	,	,
43297	1392	676	157	157	CD
43297	1392	677	Colloids	colloid	NNS
43297	1392	678	,	,	,
43297	1392	679	24	24	CD
43297	1392	680	,	,	,
43297	1392	681	41	41	CD
43297	1392	682	,	,	,
43297	1392	683	43	43	CD
43297	1392	684	,	,	,
43297	1392	685	76	76	CD
43297	1392	686	,	,	,
43297	1392	687	160	160	CD
43297	1392	688	Colluvial	colluvial	JJ
43297	1392	689	clays	clay	NNS
43297	1392	690	,	,	,
43297	1392	691	99	99	CD
43297	1392	692	Colours	colour	NNS
43297	1392	693	of	of	IN
43297	1392	694	burned	burn	VBN
43297	1392	695	ware	ware	NN
43297	1392	696	,	,	,
43297	1392	697	19	19	CD
43297	1392	698	,	,	,
43297	1392	699	123	123	CD
43297	1392	700	,	,	,
43297	1392	701	131	131	CD
43297	1392	702	Colours	colour	NNS
43297	1392	703	of	of	IN
43297	1392	704	clays	clay	NNS
43297	1392	705	and	and	CC
43297	1392	706	shales	shale	NNS
43297	1392	707	,	,	,
43297	1392	708	19	19	CD
43297	1392	709	,	,	,
43297	1392	710	59	59	CD
43297	1392	711	,	,	,
43297	1392	712	115	115	CD
43297	1392	713	,	,	,
43297	1392	714	119	119	CD
43297	1392	715	,	,	,
43297	1392	716	124	124	CD
43297	1392	717	,	,	,
43297	1392	718	126	126	CD
43297	1392	719	Combined	combined	JJ
43297	1392	720	water	water	NN
43297	1392	721	,	,	,
43297	1392	722	45	45	CD
43297	1392	723	,	,	,
43297	1392	724	154	154	CD
43297	1392	725	Common	common	JJ
43297	1392	726	clays	clay	NNS
43297	1392	727	,	,	,
43297	1392	728	3	3	CD
43297	1392	729	Composition	composition	NN
43297	1392	730	of	of	IN
43297	1392	731	clays	clay	NNS
43297	1392	732	,	,	,
43297	1392	733	4	4	CD
43297	1392	734	,	,	,
43297	1392	735	6	6	CD
43297	1392	736	,	,	,
43297	1392	737	16	16	CD
43297	1392	738	,	,	,
43297	1392	739	23	23	CD
43297	1392	740	,	,	,
43297	1392	741	35	35	CD
43297	1392	742	,	,	,
43297	1392	743	44	44	CD
43297	1392	744	,	,	,
43297	1392	745	107	107	CD
43297	1392	746	,	,	,
43297	1392	747	117	117	CD
43297	1392	748	,	,	,
43297	1392	749	118	118	CD
43297	1392	750	,	,	,
43297	1392	751	133	133	CD
43297	1392	752	,	,	,
43297	1392	753	134	134	CD
43297	1392	754	,	,	,
43297	1392	755	144	144	CD
43297	1392	756	,	,	,
43297	1392	757	156	156	CD
43297	1392	758	,	,	,
43297	1392	759	164	164	CD
43297	1392	760	Composition	composition	NN
43297	1392	761	of	of	IN
43297	1392	762	clays	clay	NNS
43297	1392	763	(	(	-LRB-
43297	1392	764	burned	burn	VBN
43297	1392	765	)	)	-RRB-
43297	1392	766	,	,	,
43297	1392	767	46	46	CD
43297	1392	768	Cornish	cornish	JJ
43297	1392	769	stone	stone	NN
43297	1392	770	,	,	,
43297	1392	771	110	110	CD
43297	1392	772	,	,	,
43297	1392	773	116	116	CD
43297	1392	774	Cracked	crack	VBN
43297	1392	775	ware	ware	NN
43297	1392	776	,	,	,
43297	1392	777	46	46	CD
43297	1392	778	,	,	,
43297	1392	779	127	127	CD
43297	1392	780	,	,	,
43297	1392	781	130	130	CD
43297	1392	782	,	,	,
43297	1392	783	131	131	CD
43297	1392	784	'	'	''
43297	1392	785	Cream	Cream	NNP
43297	1392	786	,	,	,
43297	1392	787	'	'	''
43297	1392	788	39	39	CD
43297	1392	789	,	,	,
43297	1392	790	43	43	CD
43297	1392	791	,	,	,
43297	1392	792	152	152	CD
43297	1392	793	Cretaceous	cretaceous	JJ
43297	1392	794	clays	clay	NNS
43297	1392	795	,	,	,
43297	1392	796	61	61	CD
43297	1392	797	'	'	``
43297	1392	798	Crumb	crumb	JJ
43297	1392	799	'	'	''
43297	1392	800	of	of	IN
43297	1392	801	clay	clay	NN
43297	1392	802	,	,	,
43297	1392	803	24	24	CD
43297	1392	804	Crushing	crushing	NN
43297	1392	805	clay	clay	NN
43297	1392	806	,	,	,
43297	1392	807	45	45	CD
43297	1392	808	'	'	``
43297	1392	809	Crystalline	crystalline	JJ
43297	1392	810	'	'	''
43297	1392	811	clay	clay	NN
43297	1392	812	,	,	,
43297	1392	813	107	107	CD
43297	1392	814	,	,	,
43297	1392	815	146	146	CD
43297	1392	816	,	,	,
43297	1392	817	148	148	CD
43297	1392	818	Crystals	Crystals	NNPS
43297	1392	819	in	in	IN
43297	1392	820	clay	clay	NN
43297	1392	821	-	-	HYPH
43297	1392	822	ware	ware	NN
43297	1392	823	,	,	,
43297	1392	824	46	46	CD
43297	1392	825	Decantation	Decantation	NNP
43297	1392	826	,	,	,
43297	1392	827	139	139	CD
43297	1392	828	Decomposition	decomposition	NN
43297	1392	829	of	of	IN
43297	1392	830	clay	clay	NN
43297	1392	831	,	,	,
43297	1392	832	154	154	CD
43297	1392	833	Definitions	definition	NNS
43297	1392	834	of	of	IN
43297	1392	835	clay	clay	NN
43297	1392	836	,	,	,
43297	1392	837	2	2	CD
43297	1392	838	-	-	SYM
43297	1392	839	5	5	CD
43297	1392	840	,	,	,
43297	1392	841	120	120	CD
43297	1392	842	,	,	,
43297	1392	843	135	135	CD
43297	1392	844	,	,	,
43297	1392	845	149	149	CD
43297	1392	846	,	,	,
43297	1392	847	150	150	CD
43297	1392	848	De	de	JJ
43297	1392	849	-	-	HYPH
43297	1392	850	greasing	greasing	JJ
43297	1392	851	wool	wool	NN
43297	1392	852	,	,	,
43297	1392	853	134	134	CD
43297	1392	854	Deposition	Deposition	NNP
43297	1392	855	of	of	IN
43297	1392	856	clays	clay	NNS
43297	1392	857	,	,	,
43297	1392	858	49	49	CD
43297	1392	859	,	,	,
43297	1392	860	51	51	CD
43297	1392	861	,	,	,
43297	1392	862	90	90	CD
43297	1392	863	,	,	,
43297	1392	864	99	99	CD
43297	1392	865	Devonian	devonian	JJ
43297	1392	866	clays	clay	NNS
43297	1392	867	,	,	,
43297	1392	868	51	51	CD
43297	1392	869	Diluvial	diluvial	JJ
43297	1392	870	clays	clay	NNS
43297	1392	871	,	,	,
43297	1392	872	99	99	CD
43297	1392	873	Dinas	Dinas	NNP
43297	1392	874	rock	rock	NN
43297	1392	875	,	,	,
43297	1392	876	54	54	CD
43297	1392	877	Disintegration	Disintegration	NNP
43297	1392	878	,	,	,
43297	1392	879	102	102	CD
43297	1392	880	Distribution	distribution	NN
43297	1392	881	of	of	IN
43297	1392	882	clays	clay	NNS
43297	1392	883	,	,	,
43297	1392	884	1	1	CD
43297	1392	885	Drain	drain	NN
43297	1392	886	-	-	HYPH
43297	1392	887	pipe	pipe	NN
43297	1392	888	clays	clay	NNS
43297	1392	889	,	,	,
43297	1392	890	112	112	CD
43297	1392	891	,	,	,
43297	1392	892	113	113	CD
43297	1392	893	Drift	Drift	NNP
43297	1392	894	,	,	,
43297	1392	895	65	65	CD
43297	1392	896	,	,	,
43297	1392	897	101	101	CD
43297	1392	898	Drift	Drift	NNP
43297	1392	899	clays	clay	NNS
43297	1392	900	,	,	,
43297	1392	901	101	101	CD
43297	1392	902	Drying	Drying	NNP
43297	1392	903	clays	clay	NNS
43297	1392	904	,	,	,
43297	1392	905	27	27	CD
43297	1392	906	,	,	,
43297	1392	907	127	127	CD
43297	1392	908	,	,	,
43297	1392	909	153	153	CD
43297	1392	910	Durability	Durability	NNP
43297	1392	911	,	,	,
43297	1392	912	131	131	CD
43297	1392	913	Dyes	dye	NNS
43297	1392	914	,	,	,
43297	1392	915	41	41	CD
43297	1392	916	,	,	,
43297	1392	917	150	150	CD
43297	1392	918	Earth	Earth	NNP
43297	1392	919	movements	movement	NNS
43297	1392	920	,	,	,
43297	1392	921	85	85	CD
43297	1392	922	,	,	,
43297	1392	923	96	96	CD
43297	1392	924	Earthenware	Earthenware	NNP
43297	1392	925	,	,	,
43297	1392	926	37	37	CD
43297	1392	927	,	,	,
43297	1392	928	112	112	CD
43297	1392	929	Earths	earth	NNS
43297	1392	930	for	for	IN
43297	1392	931	bricks	brick	NNS
43297	1392	932	,	,	,
43297	1392	933	see	see	VB
43297	1392	934	_	_	NNP
43297	1392	935	Brick	Brick	NNP
43297	1392	936	clays	clay	NNS
43297	1392	937	_	_	NNP
43297	1392	938	Electrolytes	Electrolytes	NNP
43297	1392	939	,	,	,
43297	1392	940	43	43	CD
43297	1392	941	Elutriation	Elutriation	NNP
43297	1392	942	,	,	,
43297	1392	943	8	8	CD
43297	1392	944	,	,	,
43297	1392	945	137	137	CD
43297	1392	946	,	,	,
43297	1392	947	140	140	CD
43297	1392	948	Eocene	Eocene	NNP
43297	1392	949	clays	clay	NNS
43297	1392	950	,	,	,
43297	1392	951	63	63	CD
43297	1392	952	Epigenic	epigenic	JJ
43297	1392	953	clays	clay	NNS
43297	1392	954	,	,	,
43297	1392	955	82	82	CD
43297	1392	956	Erosion	erosion	NN
43297	1392	957	,	,	,
43297	1392	958	89	89	CD
43297	1392	959	,	,	,
43297	1392	960	99	99	CD
43297	1392	961	,	,	,
43297	1392	962	100	100	CD
43297	1392	963	Estuarine	estuarine	JJ
43297	1392	964	clays	clay	NNS
43297	1392	965	,	,	,
43297	1392	966	90	90	CD
43297	1392	967	,	,	,
43297	1392	968	93	93	CD
43297	1392	969	,	,	,
43297	1392	970	118	118	CD
43297	1392	971	Etruria	Etruria	NNP
43297	1392	972	marls	marl	NNS
43297	1392	973	,	,	,
43297	1392	974	55	55	CD
43297	1392	975	,	,	,
43297	1392	976	130	130	CD
43297	1392	977	Expansion	expansion	NN
43297	1392	978	,	,	,
43297	1392	979	32	32	CD
43297	1392	980	Exposure	exposure	NN
43297	1392	981	,	,	,
43297	1392	982	43	43	CD
43297	1392	983	Faience	faience	NN
43297	1392	984	,	,	,
43297	1392	985	129	129	CD
43297	1392	986	Farewell	Farewell	NNP
43297	1392	987	Rock	Rock	NNP
43297	1392	988	,	,	,
43297	1392	989	54	54	CD
43297	1392	990	Fat	fat	JJ
43297	1392	991	clays	clay	NNS
43297	1392	992	,	,	,
43297	1392	993	29	29	CD
43297	1392	994	Felspar	Felspar	NNS
43297	1392	995	,	,	,
43297	1392	996	7	7	CD
43297	1392	997	,	,	,
43297	1392	998	8	8	CD
43297	1392	999	,	,	,
43297	1392	1000	41	41	CD
43297	1392	1001	,	,	,
43297	1392	1002	74	74	CD
43297	1392	1003	,	,	,
43297	1392	1004	104	104	CD
43297	1392	1005	,	,	,
43297	1392	1006	110	110	CD
43297	1392	1007	,	,	,
43297	1392	1008	116	116	CD
43297	1392	1009	,	,	,
43297	1392	1010	141	141	CD
43297	1392	1011	,	,	,
43297	1392	1012	144	144	CD
43297	1392	1013	,	,	,
43297	1392	1014	159	159	CD
43297	1392	1015	Ferric	ferric	JJ
43297	1392	1016	and	and	CC
43297	1392	1017	Ferrous	ferrous	JJ
43297	1392	1018	compounds	compound	NNS
43297	1392	1019	,	,	,
43297	1392	1020	12	12	CD
43297	1392	1021	,	,	,
43297	1392	1022	121	121	CD
43297	1392	1023	,	,	,
43297	1392	1024	see	see	VB
43297	1392	1025	_	_	NNP
43297	1392	1026	Iron	Iron	NNP
43297	1392	1027	_	_	NNP
43297	1392	1028	Fine	Fine	NNP
43297	1392	1029	clays	clay	NNS
43297	1392	1030	,	,	,
43297	1392	1031	112	112	CD
43297	1392	1032	Fineness	Fineness	NNP
43297	1392	1033	,	,	,
43297	1392	1034	see	see	VB
43297	1392	1035	_	_	NNP
43297	1392	1036	Texture	Texture	NNP
43297	1392	1037	_	_	NNP
43297	1392	1038	Firebricks	Firebricks	NNP
43297	1392	1039	,	,	,
43297	1392	1040	14	14	CD
43297	1392	1041	,	,	,
43297	1392	1042	54	54	CD
43297	1392	1043	,	,	,
43297	1392	1044	61	61	CD
43297	1392	1045	,	,	,
43297	1392	1046	116	116	CD
43297	1392	1047	Fireclay	Fireclay	NNP
43297	1392	1048	,	,	,
43297	1392	1049	33	33	CD
43297	1392	1050	,	,	,
43297	1392	1051	35	35	CD
43297	1392	1052	,	,	,
43297	1392	1053	52	52	CD
43297	1392	1054	,	,	,
43297	1392	1055	54	54	CD
43297	1392	1056	,	,	,
43297	1392	1057	82	82	CD
43297	1392	1058	,	,	,
43297	1392	1059	104	104	CD
43297	1392	1060	,	,	,
43297	1392	1061	108	108	CD
43297	1392	1062	,	,	,
43297	1392	1063	116	116	CD
43297	1392	1064	,	,	,
43297	1392	1065	123	123	CD
43297	1392	1066	,	,	,
43297	1392	1067	156	156	CD
43297	1392	1068	,	,	,
43297	1392	1069	166	166	CD
43297	1392	1070	Fissile	fissile	JJ
43297	1392	1071	clays	clay	NNS
43297	1392	1072	,	,	,
43297	1392	1073	117	117	CD
43297	1392	1074	Flint	Flint	NNP
43297	1392	1075	,	,	,
43297	1392	1076	110	110	CD
43297	1392	1077	,	,	,
43297	1392	1078	116	116	CD
43297	1392	1079	Flint	Flint	NNP
43297	1392	1080	clays	clay	NNS
43297	1392	1081	,	,	,
43297	1392	1082	117	117	CD
43297	1392	1083	Floods	flood	NNS
43297	1392	1084	,	,	,
43297	1392	1085	85	85	CD
43297	1392	1086	,	,	,
43297	1392	1087	87	87	CD
43297	1392	1088	,	,	,
43297	1392	1089	99	99	CD
43297	1392	1090	Flower	flower	NN
43297	1392	1091	-	-	HYPH
43297	1392	1092	pot	pot	NN
43297	1392	1093	clays	clay	NNS
43297	1392	1094	,	,	,
43297	1392	1095	57	57	CD
43297	1392	1096	,	,	,
43297	1392	1097	110	110	CD
43297	1392	1098	Fluoric	fluoric	JJ
43297	1392	1099	vapours	vapour	NNS
43297	1392	1100	,	,	,
43297	1392	1101	75	75	CD
43297	1392	1102	,	,	,
43297	1392	1103	77	77	CD
43297	1392	1104	,	,	,
43297	1392	1105	165	165	CD
43297	1392	1106	Fluviatile	Fluviatile	NNP
43297	1392	1107	clays	clay	NNS
43297	1392	1108	,	,	,
43297	1392	1109	88	88	CD
43297	1392	1110	,	,	,
43297	1392	1111	92	92	CD
43297	1392	1112	Fluxes	Fluxes	NNP
43297	1392	1113	,	,	,
43297	1392	1114	8	8	CD
43297	1392	1115	,	,	,
43297	1392	1116	11	11	CD
43297	1392	1117	,	,	,
43297	1392	1118	38	38	CD
43297	1392	1119	,	,	,
43297	1392	1120	39	39	CD
43297	1392	1121	,	,	,
43297	1392	1122	115	115	CD
43297	1392	1123	,	,	,
43297	1392	1124	116	116	CD
43297	1392	1125	,	,	,
43297	1392	1126	131	131	CD
43297	1392	1127	Food	food	NN
43297	1392	1128	-	-	HYPH
43297	1392	1129	clays	clay	NNS
43297	1392	1130	,	,	,
43297	1392	1131	1	1	CD
43297	1392	1132	Formation	formation	NN
43297	1392	1133	of	of	IN
43297	1392	1134	clays	clay	NNS
43297	1392	1135	,	,	,
43297	1392	1136	48	48	CD
43297	1392	1137	,	,	,
43297	1392	1138	70	70	CD
43297	1392	1139	Formula	formula	NN
43297	1392	1140	of	of	IN
43297	1392	1141	clay	clay	NN
43297	1392	1142	,	,	,
43297	1392	1143	156	156	CD
43297	1392	1144	Free	free	JJ
43297	1392	1145	alumina	alumina	NN
43297	1392	1146	,	,	,
43297	1392	1147	80	80	CD
43297	1392	1148	,	,	,
43297	1392	1149	154	154	CD
43297	1392	1150	Free	free	JJ
43297	1392	1151	silica	silica	NN
43297	1392	1152	,	,	,
43297	1392	1153	7	7	CD
43297	1392	1154	,	,	,
43297	1392	1155	80	80	CD
43297	1392	1156	,	,	,
43297	1392	1157	154	154	CD
43297	1392	1158	,	,	,
43297	1392	1159	161	161	CD
43297	1392	1160	Frost	frost	NN
43297	1392	1161	,	,	,
43297	1392	1162	43	43	CD
43297	1392	1163	,	,	,
43297	1392	1164	86	86	CD
43297	1392	1165	Fuller	Fuller	NNP
43297	1392	1166	's	's	POS
43297	1392	1167	earth	earth	NN
43297	1392	1168	,	,	,
43297	1392	1169	59	59	CD
43297	1392	1170	,	,	,
43297	1392	1171	133	133	CD
43297	1392	1172	Fulling	Fulling	NNP
43297	1392	1173	cloth	cloth	NN
43297	1392	1174	,	,	,
43297	1392	1175	1	1	CD
43297	1392	1176	,	,	,
43297	1392	1177	133	133	CD
43297	1392	1178	Fusibility	Fusibility	NNP
43297	1392	1179	,	,	,
43297	1392	1180	32	32	CD
43297	1392	1181	,	,	,
43297	1392	1182	58	58	CD
43297	1392	1183	,	,	,
43297	1392	1184	113	113	CD
43297	1392	1185	,	,	,
43297	1392	1186	116	116	CD
43297	1392	1187	Fusible	fusible	JJ
43297	1392	1188	clays	clay	NNS
43297	1392	1189	,	,	,
43297	1392	1190	116	116	CD
43297	1392	1191	Fusing	fusing	NN
43297	1392	1192	point	point	NN
43297	1392	1193	,	,	,
43297	1392	1194	32	32	CD
43297	1392	1195	Fusion	Fusion	NNP
43297	1392	1196	,	,	,
43297	1392	1197	47	47	CD
43297	1392	1198	,	,	,
43297	1392	1199	113	113	CD
43297	1392	1200	,	,	,
43297	1392	1201	120	120	CD
43297	1392	1202	,	,	,
43297	1392	1203	132	132	CD
43297	1392	1204	,	,	,
43297	1392	1205	155	155	CD
43297	1392	1206	Ganister	Ganister	NNP
43297	1392	1207	,	,	,
43297	1392	1208	52	52	CD
43297	1392	1209	,	,	,
43297	1392	1210	54	54	CD
43297	1392	1211	,	,	,
43297	1392	1212	118	118	CD
43297	1392	1213	Gault	Gault	NNP
43297	1392	1214	,	,	,
43297	1392	1215	61	61	CD
43297	1392	1216	,	,	,
43297	1392	1217	132	132	CD
43297	1392	1218	Geological	Geological	NNP
43297	1392	1219	classification	classification	NN
43297	1392	1220	,	,	,
43297	1392	1221	163	163	CD
43297	1392	1222	Geological	geological	JJ
43297	1392	1223	nature	nature	NN
43297	1392	1224	of	of	IN
43297	1392	1225	clay	clay	NN
43297	1392	1226	,	,	,
43297	1392	1227	4	4	CD
43297	1392	1228	,	,	,
43297	1392	1229	50	50	CD
43297	1392	1230	Glacial	glacial	JJ
43297	1392	1231	clays	clay	NNS
43297	1392	1232	,	,	,
43297	1392	1233	65	65	CD
43297	1392	1234	,	,	,
43297	1392	1235	100	100	CD
43297	1392	1236	,	,	,
43297	1392	1237	162	162	CD
43297	1392	1238	Glaciers	Glaciers	NNPS
43297	1392	1239	,	,	,
43297	1392	1240	85	85	CD
43297	1392	1241	,	,	,
43297	1392	1242	89	89	CD
43297	1392	1243	,	,	,
43297	1392	1244	100	100	CD
43297	1392	1245	Glass	Glass	NNP
43297	1392	1246	,	,	,
43297	1392	1247	116	116	CD
43297	1392	1248	Glassy	Glassy	NNP
43297	1392	1249	structure	structure	NN
43297	1392	1250	,	,	,
43297	1392	1251	47	47	CD
43297	1392	1252	Glazed	Glazed	NNP
43297	1392	1253	bricks	brick	NNS
43297	1392	1254	,	,	,
43297	1392	1255	119	119	CD
43297	1392	1256	Glazed	glazed	JJ
43297	1392	1257	pottery	pottery	NN
43297	1392	1258	,	,	,
43297	1392	1259	129	129	CD
43297	1392	1260	Glazed	Glazed	NNP
43297	1392	1261	terra	terra	NNP
43297	1392	1262	-	-	HYPH
43297	1392	1263	cotta	cotta	NNP
43297	1392	1264	,	,	,
43297	1392	1265	56	56	CD
43297	1392	1266	,	,	,
43297	1392	1267	129	129	CD
43297	1392	1268	Grades	grade	NNS
43297	1392	1269	of	of	IN
43297	1392	1270	fireclay	fireclay	NN
43297	1392	1271	,	,	,
43297	1392	1272	120	120	CD
43297	1392	1273	Gravel	Gravel	NNP
43297	1392	1274	,	,	,
43297	1392	1275	7	7	CD
43297	1392	1276	,	,	,
43297	1392	1277	62	62	CD
43297	1392	1278	,	,	,
43297	1392	1279	65	65	CD
43297	1392	1280	,	,	,
43297	1392	1281	89	89	CD
43297	1392	1282	,	,	,
43297	1392	1283	100	100	CD
43297	1392	1284	,	,	,
43297	1392	1285	101	101	CD
43297	1392	1286	,	,	,
43297	1392	1287	102	102	CD
43297	1392	1288	,	,	,
43297	1392	1289	138	138	CD
43297	1392	1290	,	,	,
43297	1392	1291	144	144	CD
43297	1392	1292	Green	green	JJ
43297	1392	1293	colour	colour	NN
43297	1392	1294	,	,	,
43297	1392	1295	14	14	CD
43297	1392	1296	Greensand	greensand	CD
43297	1392	1297	,	,	,
43297	1392	1298	133	133	CD
43297	1392	1299	Grinding	Grinding	NNP
43297	1392	1300	,	,	,
43297	1392	1301	80	80	CD
43297	1392	1302	,	,	,
43297	1392	1303	121	121	CD
43297	1392	1304	Grit	Grit	NNP
43297	1392	1305	,	,	,
43297	1392	1306	112	112	CD
43297	1392	1307	,	,	,
43297	1392	1308	see	see	VB
43297	1392	1309	also	also	RB
43297	1392	1310	_	_	NNP
43297	1392	1311	Millstone	Millstone	NNP
43297	1392	1312	Grit	Grit	NNP
43297	1392	1313	_	_	NNP
43297	1392	1314	Grog	Grog	NNP
43297	1392	1315	,	,	,
43297	1392	1316	28	28	CD
43297	1392	1317	,	,	,
43297	1392	1318	31	31	CD
43297	1392	1319	,	,	,
43297	1392	1320	41	41	CD
43297	1392	1321	,	,	,
43297	1392	1322	119	119	CD
43297	1392	1323	,	,	,
43297	1392	1324	121	121	CD
43297	1392	1325	Growan	Growan	NNP
43297	1392	1326	,	,	,
43297	1392	1327	78	78	CD
43297	1392	1328	Gypsum	Gypsum	NNP
43297	1392	1329	,	,	,
43297	1392	1330	10	10	CD
43297	1392	1331	,	,	,
43297	1392	1332	12	12	CD
43297	1392	1333	,	,	,
43297	1392	1334	62	62	CD
43297	1392	1335	Halloysite	Halloysite	NNP
43297	1392	1336	,	,	,
43297	1392	1337	118	118	CD
43297	1392	1338	,	,	,
43297	1392	1339	158	158	CD
43297	1392	1340	Hardness	Hardness	NNP
43297	1392	1341	,	,	,
43297	1392	1342	45	45	CD
43297	1392	1343	Heat	heat	NN
43297	1392	1344	,	,	,
43297	1392	1345	effects	effect	NNS
43297	1392	1346	of	of	IN
43297	1392	1347	,	,	,
43297	1392	1348	28	28	CD
43297	1392	1349	,	,	,
43297	1392	1350	37	37	CD
43297	1392	1351	,	,	,
43297	1392	1352	39	39	CD
43297	1392	1353	,	,	,
43297	1392	1354	45	45	CD
43297	1392	1355	,	,	,
43297	1392	1356	80	80	CD
43297	1392	1357	,	,	,
43297	1392	1358	122	122	CD
43297	1392	1359	,	,	,
43297	1392	1360	146	146	CD
43297	1392	1361	,	,	,
43297	1392	1362	153	153	CD
43297	1392	1363	,	,	,
43297	1392	1364	154	154	CD
43297	1392	1365	,	,	,
43297	1392	1366	158	158	CD
43297	1392	1367	,	,	,
43297	1392	1368	159	159	CD
43297	1392	1369	Hydrargillite	Hydrargillite	NNP
43297	1392	1370	,	,	,
43297	1392	1371	80	80	CD
43297	1392	1372	Hydro	Hydro	NNP
43297	1392	1373	-	-	HYPH
43297	1392	1374	alumino	alumino	NNP
43297	1392	1375	-	-	HYPH
43297	1392	1376	silicates	silicate	NNS
43297	1392	1377	,	,	,
43297	1392	1378	6	6	CD
43297	1392	1379	Hydrocarbons	Hydrocarbons	NNPS
43297	1392	1380	in	in	IN
43297	1392	1381	clay	clay	NN
43297	1392	1382	,	,	,
43297	1392	1383	15	15	CD
43297	1392	1384	Hydrolysis	Hydrolysis	NNP
43297	1392	1385	,	,	,
43297	1392	1386	78	78	CD
43297	1392	1387	,	,	,
43297	1392	1388	97	97	CD
43297	1392	1389	Hygroscopic	hygroscopic	JJ
43297	1392	1390	clays	clay	NNS
43297	1392	1391	,	,	,
43297	1392	1392	153	153	CD
43297	1392	1393	Hypogenic	hypogenic	JJ
43297	1392	1394	clays	clay	NNS
43297	1392	1395	,	,	,
43297	1392	1396	165	165	CD
43297	1392	1397	Ice	ice	NN
43297	1392	1398	-	-	HYPH
43297	1392	1399	action	action	NN
43297	1392	1400	,	,	,
43297	1392	1401	85	85	CD
43297	1392	1402	,	,	,
43297	1392	1403	100	100	CD
43297	1392	1404	Ideal	ideal	NN
43297	1392	1405	clay	clay	NN
43297	1392	1406	,	,	,
43297	1392	1407	146	146	CD
43297	1392	1408	Impermeability	Impermeability	NNP
43297	1392	1409	,	,	,
43297	1392	1410	40	40	CD
43297	1392	1411	,	,	,
43297	1392	1412	113	113	CD
43297	1392	1413	Impervious	impervious	JJ
43297	1392	1414	articles	article	NNS
43297	1392	1415	,	,	,
43297	1392	1416	113	113	CD
43297	1392	1417	,	,	,
43297	1392	1418	155	155	CD
43297	1392	1419	Impurities	Impurities	NNPS
43297	1392	1420	in	in	IN
43297	1392	1421	clays	clay	NNS
43297	1392	1422	,	,	,
43297	1392	1423	7	7	CD
43297	1392	1424	,	,	,
43297	1392	1425	49	49	CD
43297	1392	1426	,	,	,
43297	1392	1427	82	82	CD
43297	1392	1428	,	,	,
43297	1392	1429	102	102	CD
43297	1392	1430	,	,	,
43297	1392	1431	104	104	CD
43297	1392	1432	,	,	,
43297	1392	1433	109	109	CD
43297	1392	1434	,	,	,
43297	1392	1435	121	121	CD
43297	1392	1436	,	,	,
43297	1392	1437	126	126	CD
43297	1392	1438	,	,	,
43297	1392	1439	142	142	CD
43297	1392	1440	,	,	,
43297	1392	1441	143	143	CD
43297	1392	1442	,	,	,
43297	1392	1443	155	155	CD
43297	1392	1444	,	,	,
43297	1392	1445	162	162	CD
43297	1392	1446	,	,	,
43297	1392	1447	163	163	CD
43297	1392	1448	Ions	ion	NNS
43297	1392	1449	,	,	,
43297	1392	1450	43	43	CD
43297	1392	1451	Indurated	indurated	JJ
43297	1392	1452	clays	clay	NNS
43297	1392	1453	,	,	,
43297	1392	1454	18	18	CD
43297	1392	1455	Infusibility	Infusibility	NNP
43297	1392	1456	,	,	,
43297	1392	1457	106	106	CD
43297	1392	1458	,	,	,
43297	1392	1459	119	119	CD
43297	1392	1460	,	,	,
43297	1392	1461	see	see	VB
43297	1392	1462	_	_	NNP
43297	1392	1463	Refractoriness	Refractoriness	NNP
43297	1392	1464	_	_	NNP
43297	1392	1465	Iron	Iron	NNP
43297	1392	1466	compounds	compound	NNS
43297	1392	1467	,	,	,
43297	1392	1468	7	7	CD
43297	1392	1469	,	,	,
43297	1392	1470	10	10	CD
43297	1392	1471	,	,	,
43297	1392	1472	12	12	CD
43297	1392	1473	,	,	,
43297	1392	1474	13	13	CD
43297	1392	1475	,	,	,
43297	1392	1476	20	20	CD
43297	1392	1477	,	,	,
43297	1392	1478	62	62	CD
43297	1392	1479	,	,	,
43297	1392	1480	112	112	CD
43297	1392	1481	,	,	,
43297	1392	1482	119	119	CD
43297	1392	1483	,	,	,
43297	1392	1484	121	121	CD
43297	1392	1485	,	,	,
43297	1392	1486	128	128	CD
43297	1392	1487	,	,	,
43297	1392	1488	133	133	CD
43297	1392	1489	,	,	,
43297	1392	1490	141	141	CD
43297	1392	1491	,	,	,
43297	1392	1492	145	145	CD
43297	1392	1493	,	,	,
43297	1392	1494	164	164	CD
43297	1392	1495	Ironstone	ironstone	NN
43297	1392	1496	,	,	,
43297	1392	1497	62	62	CD
43297	1392	1498	Irregularity	irregularity	NN
43297	1392	1499	in	in	IN
43297	1392	1500	shape	shape	NN
43297	1392	1501	,	,	,
43297	1392	1502	131	131	CD
43297	1392	1503	Jurassic	Jurassic	NNP
43297	1392	1504	clays	clay	NNS
43297	1392	1505	and	and	CC
43297	1392	1506	shales	shale	NNS
43297	1392	1507	,	,	,
43297	1392	1508	57	57	CD
43297	1392	1509	,	,	,
43297	1392	1510	124	124	CD
43297	1392	1511	Kao	Kao	NNP
43297	1392	1512	-	-	HYPH
43297	1392	1513	ling	ling	NNP
43297	1392	1514	,	,	,
43297	1392	1515	148	148	CD
43297	1392	1516	Kaolinite	Kaolinite	NNP
43297	1392	1517	,	,	,
43297	1392	1518	19	19	CD
43297	1392	1519	,	,	,
43297	1392	1520	80	80	CD
43297	1392	1521	,	,	,
43297	1392	1522	105	105	CD
43297	1392	1523	,	,	,
43297	1392	1524	107	107	CD
43297	1392	1525	,	,	,
43297	1392	1526	146	146	CD
43297	1392	1527	,	,	,
43297	1392	1528	149	149	CD
43297	1392	1529	,	,	,
43297	1392	1530	158	158	CD
43297	1392	1531	Kaolinization	Kaolinization	NNP
43297	1392	1532	,	,	,
43297	1392	1533	76	76	CD
43297	1392	1534	,	,	,
43297	1392	1535	77	77	CD
43297	1392	1536	,	,	,
43297	1392	1537	79	79	CD
43297	1392	1538	Kaolins	Kaolins	NNP
43297	1392	1539	,	,	,
43297	1392	1540	9	9	CD
43297	1392	1541	,	,	,
43297	1392	1542	21	21	CD
43297	1392	1543	,	,	,
43297	1392	1544	49	49	CD
43297	1392	1545	,	,	,
43297	1392	1546	64	64	CD
43297	1392	1547	,	,	,
43297	1392	1548	71	71	CD
43297	1392	1549	,	,	,
43297	1392	1550	73	73	CD
43297	1392	1551	,	,	,
43297	1392	1552	76	76	CD
43297	1392	1553	,	,	,
43297	1392	1554	79	79	CD
43297	1392	1555	,	,	,
43297	1392	1556	82	82	CD
43297	1392	1557	,	,	,
43297	1392	1558	84	84	CD
43297	1392	1559	,	,	,
43297	1392	1560	104	104	CD
43297	1392	1561	,	,	,
43297	1392	1562	116	116	CD
43297	1392	1563	,	,	,
43297	1392	1564	141	141	CD
43297	1392	1565	,	,	,
43297	1392	1566	146	146	CD
43297	1392	1567	,	,	,
43297	1392	1568	147	147	CD
43297	1392	1569	,	,	,
43297	1392	1570	148	148	CD
43297	1392	1571	,	,	,
43297	1392	1572	165	165	CD
43297	1392	1573	Keele	Keele	NNP
43297	1392	1574	series	series	NN
43297	1392	1575	,	,	,
43297	1392	1576	55	55	CD
43297	1392	1577	Kellaways	kellaway	NNS
43297	1392	1578	clay	clay	NN
43297	1392	1579	,	,	,
43297	1392	1580	59	59	CD
43297	1392	1581	,	,	,
43297	1392	1582	61	61	CD
43297	1392	1583	Keuper	Keuper	NNP
43297	1392	1584	marls	marl	NNS
43297	1392	1585	,	,	,
43297	1392	1586	57	57	CD
43297	1392	1587	Kiln	Kiln	NNP
43297	1392	1588	shrinkage	shrinkage	NN
43297	1392	1589	,	,	,
43297	1392	1590	30	30	CD
43297	1392	1591	Kimeridge	Kimeridge	NNP
43297	1392	1592	clays	clay	NNS
43297	1392	1593	,	,	,
43297	1392	1594	59	59	CD
43297	1392	1595	Knotts	Knotts	NNP
43297	1392	1596	,	,	,
43297	1392	1597	124	124	CD
43297	1392	1598	Lacustrine	Lacustrine	NNP
43297	1392	1599	clays	clay	NNS
43297	1392	1600	,	,	,
43297	1392	1601	90	90	CD
43297	1392	1602	,	,	,
43297	1392	1603	91	91	CD
43297	1392	1604	Lake	lake	NN
43297	1392	1605	-	-	HYPH
43297	1392	1606	deposited	deposit	VBN
43297	1392	1607	clays	clay	NNS
43297	1392	1608	,	,	,
43297	1392	1609	85	85	CD
43297	1392	1610	,	,	,
43297	1392	1611	88	88	CD
43297	1392	1612	,	,	,
43297	1392	1613	91	91	CD
43297	1392	1614	Lakes	Lakes	NNPS
43297	1392	1615	,	,	,
43297	1392	1616	85	85	CD
43297	1392	1617	,	,	,
43297	1392	1618	88	88	CD
43297	1392	1619	Laminated	Laminated	NNP
43297	1392	1620	clays	clay	NNS
43297	1392	1621	,	,	,
43297	1392	1622	53	53	CD
43297	1392	1623	,	,	,
43297	1392	1624	117	117	CD
43297	1392	1625	,	,	,
43297	1392	1626	122	122	CD
43297	1392	1627	Laterite	Laterite	NNP
43297	1392	1628	,	,	,
43297	1392	1629	80	80	CD
43297	1392	1630	,	,	,
43297	1392	1631	149	149	CD
43297	1392	1632	Lateritic	lateritic	JJ
43297	1392	1633	action	action	NN
43297	1392	1634	,	,	,
43297	1392	1635	80	80	CD
43297	1392	1636	,	,	,
43297	1392	1637	165	165	CD
43297	1392	1638	Lateritic	lateritic	JJ
43297	1392	1639	clays	clay	NNS
43297	1392	1640	,	,	,
43297	1392	1641	82	82	CD
43297	1392	1642	Lean	lean	JJ
43297	1392	1643	clays	clay	NNS
43297	1392	1644	,	,	,
43297	1392	1645	29	29	CD
43297	1392	1646	Liassic	liassic	JJ
43297	1392	1647	clays	clay	NNS
43297	1392	1648	and	and	CC
43297	1392	1649	shales	shale	NNS
43297	1392	1650	,	,	,
43297	1392	1651	57	57	CD
43297	1392	1652	,	,	,
43297	1392	1653	125	125	CD
43297	1392	1654	,	,	,
43297	1392	1655	132	132	CD
43297	1392	1656	Lime	Lime	NNP
43297	1392	1657	,	,	,
43297	1392	1658	7	7	CD
43297	1392	1659	,	,	,
43297	1392	1660	10	10	CD
43297	1392	1661	,	,	,
43297	1392	1662	102	102	CD
43297	1392	1663	,	,	,
43297	1392	1664	159	159	CD
43297	1392	1665	Lime	Lime	NNP
43297	1392	1666	compounds	compound	NNS
43297	1392	1667	,	,	,
43297	1392	1668	10	10	CD
43297	1392	1669	,	,	,
43297	1392	1670	11	11	CD
43297	1392	1671	,	,	,
43297	1392	1672	38	38	CD
43297	1392	1673	,	,	,
43297	1392	1674	41	41	CD
43297	1392	1675	,	,	,
43297	1392	1676	47	47	CD
43297	1392	1677	,	,	,
43297	1392	1678	113	113	CD
43297	1392	1679	,	,	,
43297	1392	1680	115	115	CD
43297	1392	1681	,	,	,
43297	1392	1682	116	116	CD
43297	1392	1683	,	,	,
43297	1392	1684	121	121	CD
43297	1392	1685	,	,	,
43297	1392	1686	127	127	CD
43297	1392	1687	,	,	,
43297	1392	1688	139	139	CD
43297	1392	1689	,	,	,
43297	1392	1690	142	142	CD
43297	1392	1691	,	,	,
43297	1392	1692	143	143	CD
43297	1392	1693	,	,	,
43297	1392	1694	145	145	CD
43297	1392	1695	,	,	,
43297	1392	1696	155	155	CD
43297	1392	1697	,	,	,
43297	1392	1698	157	157	CD
43297	1392	1699	,	,	,
43297	1392	1700	162	162	CD
43297	1392	1701	,	,	,
43297	1392	1702	164	164	CD
43297	1392	1703	Limestone	Limestone	NNP
43297	1392	1704	,	,	,
43297	1392	1705	10	10	CD
43297	1392	1706	,	,	,
43297	1392	1707	11	11	CD
43297	1392	1708	,	,	,
43297	1392	1709	52	52	CD
43297	1392	1710	,	,	,
43297	1392	1711	59	59	CD
43297	1392	1712	,	,	,
43297	1392	1713	61	61	CD
43297	1392	1714	,	,	,
43297	1392	1715	62	62	CD
43297	1392	1716	,	,	,
43297	1392	1717	88	88	CD
43297	1392	1718	,	,	,
43297	1392	1719	102	102	CD
43297	1392	1720	,	,	,
43297	1392	1721	117	117	CD
43297	1392	1722	,	,	,
43297	1392	1723	127	127	CD
43297	1392	1724	,	,	,
43297	1392	1725	132	132	CD
43297	1392	1726	,	,	,
43297	1392	1727	139	139	CD
43297	1392	1728	Lime	Lime	NNP
43297	1392	1729	troubles	trouble	NNS
43297	1392	1730	,	,	,
43297	1392	1731	11	11	CD
43297	1392	1732	Loam	Loam	NNP
43297	1392	1733	,	,	,
43297	1392	1734	57	57	CD
43297	1392	1735	,	,	,
43297	1392	1736	67	67	CD
43297	1392	1737	,	,	,
43297	1392	1738	88	88	CD
43297	1392	1739	London	London	NNP
43297	1392	1740	clay	clay	NN
43297	1392	1741	,	,	,
43297	1392	1742	62	62	CD
43297	1392	1743	,	,	,
43297	1392	1744	63	63	CD
43297	1392	1745	,	,	,
43297	1392	1746	125	125	CD
43297	1392	1747	Ludwig	Ludwig	NNP
43297	1392	1748	's	's	POS
43297	1392	1749	chart	chart	NN
43297	1392	1750	,	,	,
43297	1392	1751	35	35	CD
43297	1392	1752	Magnesium	Magnesium	NNP
43297	1392	1753	compounds	compound	NNS
43297	1392	1754	,	,	,
43297	1392	1755	7	7	CD
43297	1392	1756	,	,	,
43297	1392	1757	10	10	CD
43297	1392	1758	,	,	,
43297	1392	1759	11	11	CD
43297	1392	1760	,	,	,
43297	1392	1761	41	41	CD
43297	1392	1762	,	,	,
43297	1392	1763	47	47	CD
43297	1392	1764	,	,	,
43297	1392	1765	113	113	CD
43297	1392	1766	,	,	,
43297	1392	1767	115	115	CD
43297	1392	1768	,	,	,
43297	1392	1769	116	116	CD
43297	1392	1770	,	,	,
43297	1392	1771	121	121	CD
43297	1392	1772	,	,	,
43297	1392	1773	133	133	CD
43297	1392	1774	,	,	,
43297	1392	1775	155	155	CD
43297	1392	1776	Malm	Malm	NNP
43297	1392	1777	-	-	HYPH
43297	1392	1778	bricks	brick	NNS
43297	1392	1779	,	,	,
43297	1392	1780	11	11	CD
43297	1392	1781	Malms	malm	NNS
43297	1392	1782	,	,	,
43297	1392	1783	10	10	CD
43297	1392	1784	,	,	,
43297	1392	1785	68	68	CD
43297	1392	1786	Marcasite	Marcasite	NNP
43297	1392	1787	,	,	,
43297	1392	1788	10	10	CD
43297	1392	1789	,	,	,
43297	1392	1790	13	13	CD
43297	1392	1791	Marine	Marine	NNP
43297	1392	1792	clays	clay	NNS
43297	1392	1793	,	,	,
43297	1392	1794	61	61	CD
43297	1392	1795	,	,	,
43297	1392	1796	93	93	CD
43297	1392	1797	Marls	Marls	NNP
43297	1392	1798	,	,	,
43297	1392	1799	10	10	CD
43297	1392	1800	,	,	,
43297	1392	1801	51	51	CD
43297	1392	1802	,	,	,
43297	1392	1803	54	54	CD
43297	1392	1804	,	,	,
43297	1392	1805	55	55	CD
43297	1392	1806	,	,	,
43297	1392	1807	57	57	CD
43297	1392	1808	,	,	,
43297	1392	1809	67	67	CD
43297	1392	1810	,	,	,
43297	1392	1811	68	68	CD
43297	1392	1812	,	,	,
43297	1392	1813	88	88	CD
43297	1392	1814	,	,	,
43297	1392	1815	130	130	CD
43297	1392	1816	,	,	,
43297	1392	1817	132	132	CD
43297	1392	1818	,	,	,
43297	1392	1819	166	166	CD
43297	1392	1820	Mechanical	mechanical	JJ
43297	1392	1821	analysis	analysis	NN
43297	1392	1822	,	,	,
43297	1392	1823	137	137	CD
43297	1392	1824	Medway	Medway	NNP
43297	1392	1825	mud	mud	NN
43297	1392	1826	,	,	,
43297	1392	1827	132	132	CD
43297	1392	1828	Melting	melting	NN
43297	1392	1829	point	point	NN
43297	1392	1830	,	,	,
43297	1392	1831	31	31	CD
43297	1392	1832	,	,	,
43297	1392	1833	32	32	CD
43297	1392	1834	Mica	Mica	NNP
43297	1392	1835	,	,	,
43297	1392	1836	7	7	CD
43297	1392	1837	,	,	,
43297	1392	1838	8	8	CD
43297	1392	1839	,	,	,
43297	1392	1840	76	76	CD
43297	1392	1841	,	,	,
43297	1392	1842	104	104	CD
43297	1392	1843	,	,	,
43297	1392	1844	105	105	CD
43297	1392	1845	,	,	,
43297	1392	1846	116	116	CD
43297	1392	1847	,	,	,
43297	1392	1848	140	140	CD
43297	1392	1849	,	,	,
43297	1392	1850	141	141	CD
43297	1392	1851	,	,	,
43297	1392	1852	144	144	CD
43297	1392	1853	,	,	,
43297	1392	1854	160	160	CD
43297	1392	1855	Microscopical	microscopical	JJ
43297	1392	1856	examination	examination	NN
43297	1392	1857	,	,	,
43297	1392	1858	18	18	CD
43297	1392	1859	,	,	,
43297	1392	1860	105	105	CD
43297	1392	1861	,	,	,
43297	1392	1862	143	143	CD
43297	1392	1863	,	,	,
43297	1392	1864	158	158	CD
43297	1392	1865	Millstone	millstone	NN
43297	1392	1866	grit	grit	NN
43297	1392	1867	,	,	,
43297	1392	1868	54	54	CD
43297	1392	1869	,	,	,
43297	1392	1870	55	55	CD
43297	1392	1871	,	,	,
43297	1392	1872	117	117	CD
43297	1392	1873	Mineral	Mineral	NNP
43297	1392	1874	nature	nature	NN
43297	1392	1875	of	of	IN
43297	1392	1876	clay	clay	NN
43297	1392	1877	,	,	,
43297	1392	1878	3	3	CD
43297	1392	1879	Minerals	Minerals	NNPS
43297	1392	1880	resembling	resemble	VBG
43297	1392	1881	clay	clay	NN
43297	1392	1882	,	,	,
43297	1392	1883	158	158	CD
43297	1392	1884	Mining	mining	NN
43297	1392	1885	ball	ball	NN
43297	1392	1886	clay	clay	NN
43297	1392	1887	,	,	,
43297	1392	1888	111	111	CD
43297	1392	1889	Modelling	Modelling	NNP
43297	1392	1890	clays	clay	NNS
43297	1392	1891	,	,	,
43297	1392	1892	130	130	CD
43297	1392	1893	Moisture	Moisture	NNP
43297	1392	1894	,	,	,
43297	1392	1895	15	15	CD
43297	1392	1896	,	,	,
43297	1392	1897	144	144	CD
43297	1392	1898	Molecular	molecular	JJ
43297	1392	1899	attraction	attraction	NN
43297	1392	1900	,	,	,
43297	1392	1901	22	22	CD
43297	1392	1902	Molecular	molecular	JJ
43297	1392	1903	constitution	constitution	NN
43297	1392	1904	of	of	IN
43297	1392	1905	clay	clay	NN
43297	1392	1906	,	,	,
43297	1392	1907	21	21	CD
43297	1392	1908	,	,	,
43297	1392	1909	156	156	CD
43297	1392	1910	Montmorillonite	Montmorillonite	NNP
43297	1392	1911	,	,	,
43297	1392	1912	134	134	CD
43297	1392	1913	Mundic	Mundic	NNP
43297	1392	1914	,	,	,
43297	1392	1915	13	13	CD
43297	1392	1916	Muscovite	Muscovite	NNP
43297	1392	1917	,	,	,
43297	1392	1918	105	105	CD
43297	1392	1919	Newtonite	Newtonite	NNP
43297	1392	1920	,	,	,
43297	1392	1921	158	158	CD
43297	1392	1922	Nodules	nodule	NNS
43297	1392	1923	,	,	,
43297	1392	1924	121	121	CD
43297	1392	1925	,	,	,
43297	1392	1926	127	127	CD
43297	1392	1927	Non	non	JJ
43297	1392	1928	-	-	JJ
43297	1392	1929	plastic	plastic	JJ
43297	1392	1930	material	material	NN
43297	1392	1931	,	,	,
43297	1392	1932	43	43	CD
43297	1392	1933	,	,	,
43297	1392	1934	121	121	CD
43297	1392	1935	,	,	,
43297	1392	1936	151	151	CD
43297	1392	1937	Non	non	JJ
43297	1392	1938	-	-	JJ
43297	1392	1939	refractory	refractory	JJ
43297	1392	1940	clays	clay	NNS
43297	1392	1941	,	,	,
43297	1392	1942	166	166	CD
43297	1392	1943	Occurrence	occurrence	NN
43297	1392	1944	of	of	IN
43297	1392	1945	clays	clay	NNS
43297	1392	1946	,	,	,
43297	1392	1947	48	48	CD
43297	1392	1948	,	,	,
43297	1392	1949	116	116	CD
43297	1392	1950	Ocean	Ocean	NNP
43297	1392	1951	currents	current	NNS
43297	1392	1952	,	,	,
43297	1392	1953	action	action	NN
43297	1392	1954	of	of	IN
43297	1392	1955	,	,	,
43297	1392	1956	89	89	CD
43297	1392	1957	Odour	odour	NN
43297	1392	1958	of	of	IN
43297	1392	1959	clay	clay	NN
43297	1392	1960	,	,	,
43297	1392	1961	19	19	CD
43297	1392	1962	Oil	oil	NN
43297	1392	1963	,	,	,
43297	1392	1964	bleaching	bleach	VBG
43297	1392	1965	,	,	,
43297	1392	1966	134	134	CD
43297	1392	1967	Oil	oil	NN
43297	1392	1968	shales	shale	NNS
43297	1392	1969	,	,	,
43297	1392	1970	61	61	CD
43297	1392	1971	,	,	,
43297	1392	1972	122	122	CD
43297	1392	1973	,	,	,
43297	1392	1974	123	123	CD
43297	1392	1975	Oolite	Oolite	NNP
43297	1392	1976	clays	clay	NNS
43297	1392	1977	,	,	,
43297	1392	1978	59	59	CD
43297	1392	1979	,	,	,
43297	1392	1980	134	134	CD
43297	1392	1981	Ooze	Ooze	NNP
43297	1392	1982	,	,	,
43297	1392	1983	95	95	CD
43297	1392	1984	,	,	,
43297	1392	1985	99	99	CD
43297	1392	1986	Organic	organic	JJ
43297	1392	1987	matter	matter	NN
43297	1392	1988	,	,	,
43297	1392	1989	19	19	CD
43297	1392	1990	,	,	,
43297	1392	1991	119	119	CD
43297	1392	1992	Origins	origin	NNS
43297	1392	1993	of	of	IN
43297	1392	1994	clays	clay	NNS
43297	1392	1995	,	,	,
43297	1392	1996	48	48	CD
43297	1392	1997	,	,	,
43297	1392	1998	71	71	CD
43297	1392	1999	,	,	,
43297	1392	2000	160	160	CD
43297	1392	2001	,	,	,
43297	1392	2002	165	165	CD
43297	1392	2003	Oxford	Oxford	NNP
43297	1392	2004	clay	clay	NN
43297	1392	2005	,	,	,
43297	1392	2006	59	59	CD
43297	1392	2007	,	,	,
43297	1392	2008	95	95	CD
43297	1392	2009	,	,	,
43297	1392	2010	164	164	CD
43297	1392	2011	Oxides	oxide	NNS
43297	1392	2012	in	in	IN
43297	1392	2013	clay	clay	NN
43297	1392	2014	,	,	,
43297	1392	2015	10	10	CD
43297	1392	2016	,	,	,
43297	1392	2017	82	82	CD
43297	1392	2018	Paint	Paint	NNP
43297	1392	2019	,	,	,
43297	1392	2020	clays	clay	NNS
43297	1392	2021	for	for	IN
43297	1392	2022	,	,	,
43297	1392	2023	109	109	CD
43297	1392	2024	Paper	Paper	NNP
43297	1392	2025	,	,	,
43297	1392	2026	clays	clay	NNS
43297	1392	2027	for	for	IN
43297	1392	2028	,	,	,
43297	1392	2029	109	109	CD
43297	1392	2030	Particles	Particles	NNPS
43297	1392	2031	,	,	,
43297	1392	2032	nature	nature	NN
43297	1392	2033	of	of	IN
43297	1392	2034	,	,	,
43297	1392	2035	18	18	CD
43297	1392	2036	,	,	,
43297	1392	2037	31	31	CD
43297	1392	2038	,	,	,
43297	1392	2039	106	106	CD
43297	1392	2040	,	,	,
43297	1392	2041	107	107	CD
43297	1392	2042	,	,	,
43297	1392	2043	150	150	CD
43297	1392	2044	Paving	Paving	NNP
43297	1392	2045	brick	brick	NN
43297	1392	2046	clays	clay	NNS
43297	1392	2047	,	,	,
43297	1392	2048	166	166	CD
43297	1392	2049	Pelagic	Pelagic	NNP
43297	1392	2050	ooze	ooze	NN
43297	1392	2051	,	,	,
43297	1392	2052	95	95	CD
43297	1392	2053	,	,	,
43297	1392	2054	99	99	CD
43297	1392	2055	Pelinite	Pelinite	NNP
43297	1392	2056	,	,	,
43297	1392	2057	83	83	CD
43297	1392	2058	,	,	,
43297	1392	2059	148	148	CD
43297	1392	2060	,	,	,
43297	1392	2061	149	149	CD
43297	1392	2062	Permian	permian	JJ
43297	1392	2063	clays	clay	NNS
43297	1392	2064	and	and	CC
43297	1392	2065	shales	shale	NNS
43297	1392	2066	,	,	,
43297	1392	2067	57	57	CD
43297	1392	2068	,	,	,
43297	1392	2069	112	112	CD
43297	1392	2070	,	,	,
43297	1392	2071	124	124	CD
43297	1392	2072	Pholerite	pholerite	JJ
43297	1392	2073	,	,	,
43297	1392	2074	117	117	CD
43297	1392	2075	Physical	physical	JJ
43297	1392	2076	characters	character	NNS
43297	1392	2077	of	of	IN
43297	1392	2078	clays	clay	NNS
43297	1392	2079	,	,	,
43297	1392	2080	17	17	CD
43297	1392	2081	Picking	picking	NN
43297	1392	2082	clay	clay	NN
43297	1392	2083	,	,	,
43297	1392	2084	121	121	CD
43297	1392	2085	Pipe	pipe	NN
43297	1392	2086	clays	clay	NNS
43297	1392	2087	,	,	,
43297	1392	2088	64	64	CD
43297	1392	2089	,	,	,
43297	1392	2090	65	65	CD
43297	1392	2091	,	,	,
43297	1392	2092	82	82	CD
43297	1392	2093	,	,	,
43297	1392	2094	109	109	CD
43297	1392	2095	,	,	,
43297	1392	2096	166	166	CD
43297	1392	2097	Plant	Plant	NNP
43297	1392	2098	-	-	HYPH
43297	1392	2099	extracts	extracts	NNPS
43297	1392	2100	in	in	IN
43297	1392	2101	clays	clay	NNS
43297	1392	2102	,	,	,
43297	1392	2103	26	26	CD
43297	1392	2104	Plastic	plastic	JJ
43297	1392	2105	clays	clay	NNS
43297	1392	2106	,	,	,
43297	1392	2107	2	2	CD
43297	1392	2108	,	,	,
43297	1392	2109	43	43	CD
43297	1392	2110	,	,	,
43297	1392	2111	65	65	CD
43297	1392	2112	,	,	,
43297	1392	2113	67	67	CD
43297	1392	2114	,	,	,
43297	1392	2115	82	82	CD
43297	1392	2116	,	,	,
43297	1392	2117	88	88	CD
43297	1392	2118	,	,	,
43297	1392	2119	102	102	CD
43297	1392	2120	,	,	,
43297	1392	2121	112	112	CD
43297	1392	2122	,	,	,
43297	1392	2123	123	123	CD
43297	1392	2124	,	,	,
43297	1392	2125	147	147	CD
43297	1392	2126	,	,	,
43297	1392	2127	148	148	CD
43297	1392	2128	,	,	,
43297	1392	2129	160	160	CD
43297	1392	2130	Plasticity	Plasticity	NNP
43297	1392	2131	,	,	,
43297	1392	2132	20	20	CD
43297	1392	2133	-	-	SYM
43297	1392	2134	27	27	CD
43297	1392	2135	,	,	,
43297	1392	2136	41	41	CD
43297	1392	2137	,	,	,
43297	1392	2138	46	46	CD
43297	1392	2139	,	,	,
43297	1392	2140	97	97	CD
43297	1392	2141	,	,	,
43297	1392	2142	98	98	CD
43297	1392	2143	,	,	,
43297	1392	2144	99	99	CD
43297	1392	2145	,	,	,
43297	1392	2146	108	108	CD
43297	1392	2147	,	,	,
43297	1392	2148	109	109	CD
43297	1392	2149	,	,	,
43297	1392	2150	112	112	CD
43297	1392	2151	,	,	,
43297	1392	2152	117	117	CD
43297	1392	2153	,	,	,
43297	1392	2154	123	123	CD
43297	1392	2155	,	,	,
43297	1392	2156	125	125	CD
43297	1392	2157	,	,	,
43297	1392	2158	127	127	CD
43297	1392	2159	,	,	,
43297	1392	2160	151	151	CD
43297	1392	2161	,	,	,
43297	1392	2162	160	160	CD
43297	1392	2163	Pleistocene	Pleistocene	NNP
43297	1392	2164	clays	clay	NNS
43297	1392	2165	,	,	,
43297	1392	2166	67	67	CD
43297	1392	2167	Pockets	Pockets	NNPS
43297	1392	2168	,	,	,
43297	1392	2169	65	65	CD
43297	1392	2170	,	,	,
43297	1392	2171	85	85	CD
43297	1392	2172	,	,	,
43297	1392	2173	101	101	CD
43297	1392	2174	,	,	,
43297	1392	2175	116	116	CD
43297	1392	2176	,	,	,
43297	1392	2177	166	166	CD
43297	1392	2178	Porcelain	Porcelain	NNP
43297	1392	2179	,	,	,
43297	1392	2180	37	37	CD
43297	1392	2181	,	,	,
43297	1392	2182	46	46	CD
43297	1392	2183	,	,	,
43297	1392	2184	73	73	CD
43297	1392	2185	,	,	,
43297	1392	2186	109	109	CD
43297	1392	2187	,	,	,
43297	1392	2188	110	110	CD
43297	1392	2189	,	,	,
43297	1392	2190	125	125	CD
43297	1392	2191	,	,	,
43297	1392	2192	129	129	CD
43297	1392	2193	Pores	Pores	NNPS
43297	1392	2194	in	in	IN
43297	1392	2195	clay	clay	NN
43297	1392	2196	,	,	,
43297	1392	2197	30	30	CD
43297	1392	2198	,	,	,
43297	1392	2199	114	114	CD
43297	1392	2200	Porosity	Porosity	NNP
43297	1392	2201	,	,	,
43297	1392	2202	30	30	CD
43297	1392	2203	,	,	,
43297	1392	2204	39	39	CD
43297	1392	2205	,	,	,
43297	1392	2206	121	121	CD
43297	1392	2207	,	,	,
43297	1392	2208	131	131	CD
43297	1392	2209	,	,	,
43297	1392	2210	155	155	CD
43297	1392	2211	Portland	Portland	NNP
43297	1392	2212	cement	cement	NN
43297	1392	2213	,	,	,
43297	1392	2214	131	131	CD
43297	1392	2215	Potash	Potash	NNP
43297	1392	2216	compounds	compound	NNS
43297	1392	2217	,	,	,
43297	1392	2218	7	7	CD
43297	1392	2219	,	,	,
43297	1392	2220	10	10	CD
43297	1392	2221	,	,	,
43297	1392	2222	113	113	CD
43297	1392	2223	,	,	,
43297	1392	2224	115	115	CD
43297	1392	2225	,	,	,
43297	1392	2226	116	116	CD
43297	1392	2227	,	,	,
43297	1392	2228	121	121	CD
43297	1392	2229	,	,	,
43297	1392	2230	157	157	CD
43297	1392	2231	,	,	,
43297	1392	2232	see	see	VBP
43297	1392	2233	_	_	NNP
43297	1392	2234	Alkalies	Alkalies	NNP
43297	1392	2235	_	_	NNP
43297	1392	2236	Pottery	Pottery	NNP
43297	1392	2237	clays	clay	NNS
43297	1392	2238	,	,	,
43297	1392	2239	1	1	CD
43297	1392	2240	,	,	,
43297	1392	2241	5	5	CD
43297	1392	2242	,	,	,
43297	1392	2243	31	31	CD
43297	1392	2244	,	,	,
43297	1392	2245	46	46	CD
43297	1392	2246	,	,	,
43297	1392	2247	66	66	CD
43297	1392	2248	,	,	,
43297	1392	2249	100	100	CD
43297	1392	2250	,	,	,
43297	1392	2251	101	101	CD
43297	1392	2252	,	,	,
43297	1392	2253	104	104	CD
43297	1392	2254	,	,	,
43297	1392	2255	110	110	CD
43297	1392	2256	,	,	,
43297	1392	2257	112	112	CD
43297	1392	2258	,	,	,
43297	1392	2259	114	114	CD
43297	1392	2260	,	,	,
43297	1392	2261	125	125	CD
43297	1392	2262	,	,	,
43297	1392	2263	129	129	CD
43297	1392	2264	,	,	,
43297	1392	2265	162	162	CD
43297	1392	2266	,	,	,
43297	1392	2267	166	166	CD
43297	1392	2268	Precambrian	precambrian	JJ
43297	1392	2269	clays	clay	NNS
43297	1392	2270	,	,	,
43297	1392	2271	51	51	CD
43297	1392	2272	Precipitated	precipitate	VBD
43297	1392	2273	clays	clay	NNS
43297	1392	2274	,	,	,
43297	1392	2275	97	97	CD
43297	1392	2276	,	,	,
43297	1392	2277	152	152	CD
43297	1392	2278	Primary	primary	JJ
43297	1392	2279	clays	clay	NNS
43297	1392	2280	,	,	,
43297	1392	2281	70	70	CD
43297	1392	2282	,	,	,
43297	1392	2283	71	71	CD
43297	1392	2284	,	,	,
43297	1392	2285	84	84	CD
43297	1392	2286	,	,	,
43297	1392	2287	165	165	CD
43297	1392	2288	Proximate	Proximate	NNP
43297	1392	2289	analysis	analysis	NN
43297	1392	2290	,	,	,
43297	1392	2291	16	16	CD
43297	1392	2292	,	,	,
43297	1392	2293	144	144	CD
43297	1392	2294	Purbeck	Purbeck	NNP
43297	1392	2295	clays	clay	NNS
43297	1392	2296	,	,	,
43297	1392	2297	59	59	CD
43297	1392	2298	Pure	pure	JJ
43297	1392	2299	clays	clay	NNS
43297	1392	2300	,	,	,
43297	1392	2301	5	5	CD
43297	1392	2302	,	,	,
43297	1392	2303	6	6	CD
43297	1392	2304	,	,	,
43297	1392	2305	7	7	CD
43297	1392	2306	,	,	,
43297	1392	2307	142	142	CD
43297	1392	2308	,	,	,
43297	1392	2309	155	155	CD
43297	1392	2310	,	,	,
43297	1392	2311	156	156	CD
43297	1392	2312	Purification	Purification	NNP
43297	1392	2313	of	of	IN
43297	1392	2314	clay	clay	NN
43297	1392	2315	,	,	,
43297	1392	2316	7	7	CD
43297	1392	2317	,	,	,
43297	1392	2318	66	66	CD
43297	1392	2319	,	,	,
43297	1392	2320	78	78	CD
43297	1392	2321	,	,	,
43297	1392	2322	104	104	CD
43297	1392	2323	,	,	,
43297	1392	2324	113	113	CD
43297	1392	2325	,	,	,
43297	1392	2326	128	128	CD
43297	1392	2327	,	,	,
43297	1392	2328	140	140	CD
43297	1392	2329	Pyrites	Pyrites	NNPS
43297	1392	2330	,	,	,
43297	1392	2331	10	10	CD
43297	1392	2332	,	,	,
43297	1392	2333	13	13	CD
43297	1392	2334	,	,	,
43297	1392	2335	44	44	CD
43297	1392	2336	,	,	,
43297	1392	2337	56	56	CD
43297	1392	2338	,	,	,
43297	1392	2339	57	57	CD
43297	1392	2340	,	,	,
43297	1392	2341	119	119	CD
43297	1392	2342	,	,	,
43297	1392	2343	124	124	CD
43297	1392	2344	,	,	,
43297	1392	2345	128	128	CD
43297	1392	2346	Quartz	Quartz	NNP
43297	1392	2347	,	,	,
43297	1392	2348	8	8	CD
43297	1392	2349	,	,	,
43297	1392	2350	104	104	CD
43297	1392	2351	,	,	,
43297	1392	2352	110	110	CD
43297	1392	2353	,	,	,
43297	1392	2354	118	118	CD
43297	1392	2355	,	,	,
43297	1392	2356	140	140	CD
43297	1392	2357	,	,	,
43297	1392	2358	141	141	CD
43297	1392	2359	,	,	,
43297	1392	2360	143	143	CD
43297	1392	2361	Rain	rain	NN
43297	1392	2362	,	,	,
43297	1392	2363	44	44	CD
43297	1392	2364	,	,	,
43297	1392	2365	85	85	CD
43297	1392	2366	,	,	,
43297	1392	2367	86	86	CD
43297	1392	2368	Rational	rational	JJ
43297	1392	2369	analysis	analysis	NN
43297	1392	2370	,	,	,
43297	1392	2371	141	141	CD
43297	1392	2372	Reading	reading	NN
43297	1392	2373	clays	clay	NNS
43297	1392	2374	,	,	,
43297	1392	2375	63	63	CD
43297	1392	2376	Recent	recent	JJ
43297	1392	2377	clays	clay	NNS
43297	1392	2378	,	,	,
43297	1392	2379	67	67	CD
43297	1392	2380	Rectorite	Rectorite	NNP
43297	1392	2381	,	,	,
43297	1392	2382	158	158	CD
43297	1392	2383	Re	Re	NNS
43297	1392	2384	-	-	HYPH
43297	1392	2385	deposited	deposit	VBN
43297	1392	2386	clays	clay	NNS
43297	1392	2387	,	,	,
43297	1392	2388	98	98	CD
43297	1392	2389	Red	red	JJ
43297	1392	2390	bricks	brick	NNS
43297	1392	2391	,	,	,
43297	1392	2392	12	12	CD
43297	1392	2393	Red	red	JJ
43297	1392	2394	burning	burn	VBG
43297	1392	2395	clays	clay	NNS
43297	1392	2396	,	,	,
43297	1392	2397	141	141	CD
43297	1392	2398	,	,	,
43297	1392	2399	142	142	CD
43297	1392	2400	,	,	,
43297	1392	2401	166	166	CD
43297	1392	2402	Red	red	JJ
43297	1392	2403	iron	iron	NN
43297	1392	2404	oxide	oxide	NN
43297	1392	2405	,	,	,
43297	1392	2406	12	12	CD
43297	1392	2407	Red	red	JJ
43297	1392	2408	ware	ware	NN
43297	1392	2409	,	,	,
43297	1392	2410	113	113	CD
43297	1392	2411	Reduction	Reduction	NNP
43297	1392	2412	in	in	IN
43297	1392	2413	volume	volume	NN
43297	1392	2414	,	,	,
43297	1392	2415	30	30	CD
43297	1392	2416	Refractoriness	Refractoriness	NNP
43297	1392	2417	,	,	,
43297	1392	2418	34	34	CD
43297	1392	2419	,	,	,
43297	1392	2420	119	119	CD
43297	1392	2421	,	,	,
43297	1392	2422	120	120	CD
43297	1392	2423	,	,	,
43297	1392	2424	123	123	CD
43297	1392	2425	,	,	,
43297	1392	2426	155	155	CD
43297	1392	2427	Refractory	refractory	JJ
43297	1392	2428	articles	article	NNS
43297	1392	2429	,	,	,
43297	1392	2430	5	5	CD
43297	1392	2431	,	,	,
43297	1392	2432	119	119	CD
43297	1392	2433	Refractory	refractory	JJ
43297	1392	2434	clays	clay	NNS
43297	1392	2435	,	,	,
43297	1392	2436	9	9	CD
43297	1392	2437	,	,	,
43297	1392	2438	32	32	CD
43297	1392	2439	,	,	,
43297	1392	2440	33	33	CD
43297	1392	2441	,	,	,
43297	1392	2442	35	35	CD
43297	1392	2443	,	,	,
43297	1392	2444	38	38	CD
43297	1392	2445	,	,	,
43297	1392	2446	52	52	CD
43297	1392	2447	,	,	,
43297	1392	2448	65	65	CD
43297	1392	2449	,	,	,
43297	1392	2450	82	82	CD
43297	1392	2451	,	,	,
43297	1392	2452	104	104	CD
43297	1392	2453	,	,	,
43297	1392	2454	116	116	CD
43297	1392	2455	,	,	,
43297	1392	2456	165	165	CD
43297	1392	2457	,	,	,
43297	1392	2458	166	166	CD
43297	1392	2459	Residual	residual	JJ
43297	1392	2460	clays	clay	NNS
43297	1392	2461	,	,	,
43297	1392	2462	70	70	CD
43297	1392	2463	,	,	,
43297	1392	2464	84	84	CD
43297	1392	2465	,	,	,
43297	1392	2466	166	166	CD
43297	1392	2467	Resistance	resistance	NN
43297	1392	2468	to	to	IN
43297	1392	2469	abrasion	abrasion	NN
43297	1392	2470	,	,	,
43297	1392	2471	119	119	CD
43297	1392	2472	Resistance	resistance	NN
43297	1392	2473	to	to	IN
43297	1392	2474	corrosion	corrosion	NN
43297	1392	2475	,	,	,
43297	1392	2476	119	119	CD
43297	1392	2477	Resistance	resistance	NN
43297	1392	2478	to	to	IN
43297	1392	2479	crushing	crush	VBG
43297	1392	2480	,	,	,
43297	1392	2481	46	46	CD
43297	1392	2482	Resistance	resistance	NN
43297	1392	2483	to	to	IN
43297	1392	2484	cutting	cut	VBG
43297	1392	2485	,	,	,
43297	1392	2486	119	119	CD
43297	1392	2487	Resistance	resistance	NN
43297	1392	2488	to	to	IN
43297	1392	2489	temperature	temperature	NN
43297	1392	2490	,	,	,
43297	1392	2491	see	see	VB
43297	1392	2492	_	_	NNP
43297	1392	2493	Refractoriness	Refractoriness	NNP
43297	1392	2494	_	_	NNP
43297	1392	2495	Resistance	Resistance	NNP
43297	1392	2496	to	to	IN
43297	1392	2497	weathering	weather	VBG
43297	1392	2498	,	,	,
43297	1392	2499	76	76	CD
43297	1392	2500	Ringing	ring	VBG
43297	1392	2501	sound	sound	NN
43297	1392	2502	,	,	,
43297	1392	2503	110	110	CD
43297	1392	2504	River	river	NN
43297	1392	2505	-	-	HYPH
43297	1392	2506	deposited	deposit	VBN
43297	1392	2507	clays	clay	NNS
43297	1392	2508	,	,	,
43297	1392	2509	88	88	CD
43297	1392	2510	Rivers	river	NNS
43297	1392	2511	,	,	,
43297	1392	2512	85	85	CD
43297	1392	2513	,	,	,
43297	1392	2514	87	87	CD
43297	1392	2515	Rock	Rock	NNP
43297	1392	2516	binds	bind	NNS
43297	1392	2517	,	,	,
43297	1392	2518	53	53	CD
43297	1392	2519	Rockingham	Rockingham	NNP
43297	1392	2520	,	,	,
43297	1392	2521	113	113	CD
43297	1392	2522	Rock	Rock	NNP
43297	1392	2523	-	-	HYPH
43297	1392	2524	like	like	JJ
43297	1392	2525	clays	clay	NNS
43297	1392	2526	,	,	,
43297	1392	2527	2	2	CD
43297	1392	2528	Rocks	rock	NNS
43297	1392	2529	associated	associate	VBN
43297	1392	2530	with	with	IN
43297	1392	2531	clay	clay	NN
43297	1392	2532	,	,	,
43297	1392	2533	48	48	CD
43297	1392	2534	Roman	roman	JJ
43297	1392	2535	cements	cement	NNS
43297	1392	2536	,	,	,
43297	1392	2537	133	133	CD
43297	1392	2538	Roofing	roofing	NN
43297	1392	2539	tiles	tile	NNS
43297	1392	2540	,	,	,
43297	1392	2541	57	57	CD
43297	1392	2542	,	,	,
43297	1392	2543	63	63	CD
43297	1392	2544	,	,	,
43297	1392	2545	126	126	CD
43297	1392	2546	,	,	,
43297	1392	2547	128	128	CD
43297	1392	2548	Sagger	Sagger	NNP
43297	1392	2549	marls	marl	NNS
43297	1392	2550	,	,	,
43297	1392	2551	54	54	CD
43297	1392	2552	Sand	Sand	NNP
43297	1392	2553	,	,	,
43297	1392	2554	7	7	CD
43297	1392	2555	,	,	,
43297	1392	2556	31	31	CD
43297	1392	2557	,	,	,
43297	1392	2558	41	41	CD
43297	1392	2559	,	,	,
43297	1392	2560	62	62	CD
43297	1392	2561	,	,	,
43297	1392	2562	82	82	CD
43297	1392	2563	,	,	,
43297	1392	2564	89	89	CD
43297	1392	2565	,	,	,
43297	1392	2566	100	100	CD
43297	1392	2567	,	,	,
43297	1392	2568	101	101	CD
43297	1392	2569	,	,	,
43297	1392	2570	117	117	CD
43297	1392	2571	,	,	,
43297	1392	2572	133	133	CD
43297	1392	2573	,	,	,
43297	1392	2574	138	138	CD
43297	1392	2575	,	,	,
43297	1392	2576	144	144	CD
43297	1392	2577	Sandstones	sandstone	NNS
43297	1392	2578	,	,	,
43297	1392	2579	53	53	CD
43297	1392	2580	Sandy	sandy	JJ
43297	1392	2581	clays	clay	NNS
43297	1392	2582	,	,	,
43297	1392	2583	68	68	CD
43297	1392	2584	Sandy	Sandy	NNP
43297	1392	2585	loams	loam	NNS
43297	1392	2586	,	,	,
43297	1392	2587	88	88	CD
43297	1392	2588	Sandy	Sandy	NNP
43297	1392	2589	marls	marl	NNS
43297	1392	2590	,	,	,
43297	1392	2591	88	88	CD
43297	1392	2592	Sanitary	Sanitary	NNP
43297	1392	2593	articles	article	NNS
43297	1392	2594	,	,	,
43297	1392	2595	5	5	CD
43297	1392	2596	,	,	,
43297	1392	2597	113	113	CD
43297	1392	2598	Sawdust	Sawdust	NNP
43297	1392	2599	,	,	,
43297	1392	2600	40	40	CD
43297	1392	2601	Scum	Scum	NNP
43297	1392	2602	,	,	,
43297	1392	2603	10	10	CD
43297	1392	2604	Sea	Sea	NNP
43297	1392	2605	,	,	,
43297	1392	2606	action	action	NN
43297	1392	2607	of	of	IN
43297	1392	2608	,	,	,
43297	1392	2609	85	85	CD
43297	1392	2610	,	,	,
43297	1392	2611	89	89	CD
43297	1392	2612	,	,	,
43297	1392	2613	99	99	CD
43297	1392	2614	Sea	Sea	NNP
43297	1392	2615	-	-	HYPH
43297	1392	2616	deposited	deposit	VBN
43297	1392	2617	clays	clay	NNS
43297	1392	2618	,	,	,
43297	1392	2619	93	93	CD
43297	1392	2620	Secondary	secondary	JJ
43297	1392	2621	clays	clay	NNS
43297	1392	2622	,	,	,
43297	1392	2623	70	70	CD
43297	1392	2624	,	,	,
43297	1392	2625	82	82	CD
43297	1392	2626	,	,	,
43297	1392	2627	83	83	CD
43297	1392	2628	,	,	,
43297	1392	2629	166	166	CD
43297	1392	2630	Sedimentary	sedimentary	JJ
43297	1392	2631	rocks	rock	NNS
43297	1392	2632	,	,	,
43297	1392	2633	48	48	CD
43297	1392	2634	Sedimentation	sedimentation	NN
43297	1392	2635	of	of	IN
43297	1392	2636	clay	clay	NN
43297	1392	2637	,	,	,
43297	1392	2638	43	43	CD
43297	1392	2639	,	,	,
43297	1392	2640	88	88	CD
43297	1392	2641	,	,	,
43297	1392	2642	90	90	CD
43297	1392	2643	,	,	,
43297	1392	2644	104	104	CD
43297	1392	2645	Seger	Seger	NNP
43297	1392	2646	cones	cone	NNS
43297	1392	2647	,	,	,
43297	1392	2648	33	33	CD
43297	1392	2649	,	,	,
43297	1392	2650	34	34	CD
43297	1392	2651	Selection	selection	NN
43297	1392	2652	of	of	IN
43297	1392	2653	clay	clay	NN
43297	1392	2654	,	,	,
43297	1392	2655	122	122	CD
43297	1392	2656	Selenite	Selenite	NNP
43297	1392	2657	,	,	,
43297	1392	2658	10	10	CD
43297	1392	2659	Separation	separation	NN
43297	1392	2660	of	of	IN
43297	1392	2661	clays	clay	NNS
43297	1392	2662	,	,	,
43297	1392	2663	90	90	CD
43297	1392	2664	,	,	,
43297	1392	2665	145	145	CD
43297	1392	2666	Settling	settle	VBG
43297	1392	2667	,	,	,
43297	1392	2668	43	43	CD
43297	1392	2669	Sewerage	sewerage	NN
43297	1392	2670	pipes	pipe	NNS
43297	1392	2671	,	,	,
43297	1392	2672	113	113	CD
43297	1392	2673	Shale	Shale	NNP
43297	1392	2674	oil	oil	NN
43297	1392	2675	,	,	,
43297	1392	2676	15	15	CD
43297	1392	2677	,	,	,
43297	1392	2678	61	61	CD
43297	1392	2679	Shale	Shale	NNP
43297	1392	2680	tar	tar	NN
43297	1392	2681	,	,	,
43297	1392	2682	123	123	CD
43297	1392	2683	Shales	Shales	NNP
43297	1392	2684	,	,	,
43297	1392	2685	2	2	CD
43297	1392	2686	,	,	,
43297	1392	2687	5	5	CD
43297	1392	2688	,	,	,
43297	1392	2689	51	51	CD
43297	1392	2690	,	,	,
43297	1392	2691	52	52	CD
43297	1392	2692	,	,	,
43297	1392	2693	53	53	CD
43297	1392	2694	,	,	,
43297	1392	2695	57	57	CD
43297	1392	2696	,	,	,
43297	1392	2697	61	61	CD
43297	1392	2698	,	,	,
43297	1392	2699	96	96	CD
43297	1392	2700	,	,	,
43297	1392	2701	104	104	CD
43297	1392	2702	,	,	,
43297	1392	2703	122	122	CD
43297	1392	2704	,	,	,
43297	1392	2705	130	130	CD
43297	1392	2706	,	,	,
43297	1392	2707	132	132	CD
43297	1392	2708	,	,	,
43297	1392	2709	138	138	CD
43297	1392	2710	,	,	,
43297	1392	2711	151	151	CD
43297	1392	2712	,	,	,
43297	1392	2713	162	162	CD
43297	1392	2714	,	,	,
43297	1392	2715	166	166	CD
43297	1392	2716	Shrinkage	Shrinkage	NNP
43297	1392	2717	,	,	,
43297	1392	2718	11	11	CD
43297	1392	2719	,	,	,
43297	1392	2720	29	29	CD
43297	1392	2721	,	,	,
43297	1392	2722	58	58	CD
43297	1392	2723	,	,	,
43297	1392	2724	68	68	CD
43297	1392	2725	,	,	,
43297	1392	2726	102	102	CD
43297	1392	2727	,	,	,
43297	1392	2728	110	110	CD
43297	1392	2729	,	,	,
43297	1392	2730	117	117	CD
43297	1392	2731	,	,	,
43297	1392	2732	119	119	CD
43297	1392	2733	,	,	,
43297	1392	2734	121	121	CD
43297	1392	2735	,	,	,
43297	1392	2736	127	127	CD
43297	1392	2737	,	,	,
43297	1392	2738	131	131	CD
43297	1392	2739	,	,	,
43297	1392	2740	153	153	CD
43297	1392	2741	Sifting	sift	VBG
43297	1392	2742	,	,	,
43297	1392	2743	7	7	CD
43297	1392	2744	,	,	,
43297	1392	2745	138	138	CD
43297	1392	2746	Silica	Silica	NNP
43297	1392	2747	,	,	,
43297	1392	2748	6	6	CD
43297	1392	2749	,	,	,
43297	1392	2750	7	7	CD
43297	1392	2751	,	,	,
43297	1392	2752	80	80	CD
43297	1392	2753	,	,	,
43297	1392	2754	154	154	CD
43297	1392	2755	,	,	,
43297	1392	2756	155	155	CD
43297	1392	2757	,	,	,
43297	1392	2758	161	161	CD
43297	1392	2759	Silica	Silica	NNP
43297	1392	2760	rock	rock	NN
43297	1392	2761	,	,	,
43297	1392	2762	118	118	CD
43297	1392	2763	Silicates	Silicates	NNPS
43297	1392	2764	,	,	,
43297	1392	2765	8	8	CD
43297	1392	2766	,	,	,
43297	1392	2767	82	82	CD
43297	1392	2768	Siliceous	siliceous	JJ
43297	1392	2769	clays	clay	NNS
43297	1392	2770	,	,	,
43297	1392	2771	117	117	CD
43297	1392	2772	Sillimanite	Sillimanite	NNP
43297	1392	2773	,	,	,
43297	1392	2774	46	46	CD
43297	1392	2775	,	,	,
43297	1392	2776	154	154	CD
43297	1392	2777	Silt	Silt	NNP
43297	1392	2778	,	,	,
43297	1392	2779	90	90	CD
43297	1392	2780	,	,	,
43297	1392	2781	91	91	CD
43297	1392	2782	,	,	,
43297	1392	2783	99	99	CD
43297	1392	2784	,	,	,
43297	1392	2785	139	139	CD
43297	1392	2786	,	,	,
43297	1392	2787	144	144	CD
43297	1392	2788	Silurian	silurian	JJ
43297	1392	2789	clays	clay	NNS
43297	1392	2790	and	and	CC
43297	1392	2791	shales	shale	NNS
43297	1392	2792	,	,	,
43297	1392	2793	51	51	CD
43297	1392	2794	,	,	,
43297	1392	2795	124	124	CD
43297	1392	2796	Sintering	sinter	VBG
43297	1392	2797	,	,	,
43297	1392	2798	38	38	CD
43297	1392	2799	Size	size	NN
43297	1392	2800	of	of	IN
43297	1392	2801	particles	particle	NNS
43297	1392	2802	,	,	,
43297	1392	2803	18	18	CD
43297	1392	2804	,	,	,
43297	1392	2805	21	21	CD
43297	1392	2806	,	,	,
43297	1392	2807	31	31	CD
43297	1392	2808	,	,	,
43297	1392	2809	106	106	CD
43297	1392	2810	,	,	,
43297	1392	2811	107	107	CD
43297	1392	2812	,	,	,
43297	1392	2813	150	150	CD
43297	1392	2814	'	'	POS
43297	1392	2815	Skeleton	Skeleton	NNP
43297	1392	2816	,	,	,
43297	1392	2817	'	'	''
43297	1392	2818	115	115	CD
43297	1392	2819	'	'	``
43297	1392	2820	Skin	skin	NN
43297	1392	2821	'	'	''
43297	1392	2822	on	on	IN
43297	1392	2823	ware	ware	NN
43297	1392	2824	,	,	,
43297	1392	2825	131	131	CD
43297	1392	2826	Slag	Slag	NNP
43297	1392	2827	in	in	IN
43297	1392	2828	bricks	brick	NNS
43297	1392	2829	,	,	,
43297	1392	2830	etc	etc	FW
43297	1392	2831	.	.	.
43297	1392	2832	,	,	,
43297	1392	2833	11	11	CD
43297	1392	2834	,	,	,
43297	1392	2835	13	13	CD
43297	1392	2836	,	,	,
43297	1392	2837	119	119	CD
43297	1392	2838	,	,	,
43297	1392	2839	155	155	CD
43297	1392	2840	Slates	Slates	NNPS
43297	1392	2841	,	,	,
43297	1392	2842	51	51	CD
43297	1392	2843	Slurry	Slurry	NNP
43297	1392	2844	,	,	,
43297	1392	2845	39	39	CD
43297	1392	2846	,	,	,
43297	1392	2847	43	43	CD
43297	1392	2848	,	,	,
43297	1392	2849	152	152	CD
43297	1392	2850	Snow	Snow	NNP
43297	1392	2851	,	,	,
43297	1392	2852	85	85	CD
43297	1392	2853	Soda	Soda	NNP
43297	1392	2854	compounds	compound	NNS
43297	1392	2855	,	,	,
43297	1392	2856	7	7	CD
43297	1392	2857	,	,	,
43297	1392	2858	10	10	CD
43297	1392	2859	,	,	,
43297	1392	2860	113	113	CD
43297	1392	2861	,	,	,
43297	1392	2862	115	115	CD
43297	1392	2863	,	,	,
43297	1392	2864	116	116	CD
43297	1392	2865	,	,	,
43297	1392	2866	121	121	CD
43297	1392	2867	,	,	,
43297	1392	2868	157	157	CD
43297	1392	2869	,	,	,
43297	1392	2870	see	see	VBP
43297	1392	2871	_	_	NNP
43297	1392	2872	Alkalies	Alkalies	NNP
43297	1392	2873	_	_	NNP
43297	1392	2874	Softening	Softening	NNP
43297	1392	2875	point	point	NN
43297	1392	2876	,	,	,
43297	1392	2877	33	33	CD
43297	1392	2878	Soil	Soil	NNP
43297	1392	2879	,	,	,
43297	1392	2880	see	see	VB
43297	1392	2881	_	_	NNP
43297	1392	2882	Agriculture	Agriculture	NNP
43297	1392	2883	_	_	NNP
43297	1392	2884	Solubility	Solubility	NNP
43297	1392	2885	of	of	IN
43297	1392	2886	clay	clay	NN
43297	1392	2887	,	,	,
43297	1392	2888	151	151	CD
43297	1392	2889	,	,	,
43297	1392	2890	159	159	CD
43297	1392	2891	Soluble	soluble	JJ
43297	1392	2892	salts	salt	NNS
43297	1392	2893	,	,	,
43297	1392	2894	10	10	CD
43297	1392	2895	Sorting	sort	VBG
43297	1392	2896	,	,	,
43297	1392	2897	90	90	CD
43297	1392	2898	Sources	source	NNS
43297	1392	2899	of	of	IN
43297	1392	2900	clays	clay	NNS
43297	1392	2901	,	,	,
43297	1392	2902	85	85	CD
43297	1392	2903	Specification	Specification	NNP
43297	1392	2904	of	of	IN
43297	1392	2905	fire	fire	NN
43297	1392	2906	clays	clay	NNS
43297	1392	2907	,	,	,
43297	1392	2908	120	120	CD
43297	1392	2909	Specific	specific	JJ
43297	1392	2910	gravity	gravity	NN
43297	1392	2911	,	,	,
43297	1392	2912	18	18	CD
43297	1392	2913	,	,	,
43297	1392	2914	106	106	CD
43297	1392	2915	,	,	,
43297	1392	2916	151	151	CD
43297	1392	2917	Staffordshire	Staffordshire	NNP
43297	1392	2918	bricks	brick	NNS
43297	1392	2919	,	,	,
43297	1392	2920	13	13	CD
43297	1392	2921	,	,	,
43297	1392	2922	56	56	CD
43297	1392	2923	Standard	standard	JJ
43297	1392	2924	clay	clay	NN
43297	1392	2925	,	,	,
43297	1392	2926	4	4	CD
43297	1392	2927	Stone	Stone	NNP
43297	1392	2928	,	,	,
43297	1392	2929	Cornish	Cornish	NNP
43297	1392	2930	,	,	,
43297	1392	2931	110	110	CD
43297	1392	2932	,	,	,
43297	1392	2933	116	116	CD
43297	1392	2934	Stoneware	Stoneware	NNP
43297	1392	2935	clays	clay	NNS
43297	1392	2936	,	,	,
43297	1392	2937	104	104	CD
43297	1392	2938	,	,	,
43297	1392	2939	112	112	CD
43297	1392	2940	,	,	,
43297	1392	2941	113	113	CD
43297	1392	2942	,	,	,
43297	1392	2943	156	156	CD
43297	1392	2944	,	,	,
43297	1392	2945	165	165	CD
43297	1392	2946	,	,	,
43297	1392	2947	166	166	CD
43297	1392	2948	Stones	stone	NNS
43297	1392	2949	,	,	,
43297	1392	2950	7	7	CD
43297	1392	2951	,	,	,
43297	1392	2952	65	65	CD
43297	1392	2953	,	,	,
43297	1392	2954	100	100	CD
43297	1392	2955	,	,	,
43297	1392	2956	102	102	CD
43297	1392	2957	,	,	,
43297	1392	2958	128	128	CD
43297	1392	2959	,	,	,
43297	1392	2960	138	138	CD
43297	1392	2961	,	,	,
43297	1392	2962	144	144	CD
43297	1392	2963	Streams	Streams	NNP
43297	1392	2964	,	,	,
43297	1392	2965	85	85	CD
43297	1392	2966	,	,	,
43297	1392	2967	86	86	CD
43297	1392	2968	Strength	strength	NN
43297	1392	2969	,	,	,
43297	1392	2970	23	23	CD
43297	1392	2971	,	,	,
43297	1392	2972	45	45	CD
43297	1392	2973	,	,	,
43297	1392	2974	113	113	CD
43297	1392	2975	Sub	Sub	NNP
43297	1392	2976	-	-	HYPH
43297	1392	2977	surface	surface	NN
43297	1392	2978	clays	clay	NNS
43297	1392	2979	,	,	,
43297	1392	2980	5	5	CD
43297	1392	2981	Sulphates	Sulphates	NNPS
43297	1392	2982	in	in	IN
43297	1392	2983	clay	clay	NN
43297	1392	2984	,	,	,
43297	1392	2985	10	10	CD
43297	1392	2986	,	,	,
43297	1392	2987	12	12	CD
43297	1392	2988	,	,	,
43297	1392	2989	82	82	CD
43297	1392	2990	Sulphides	sulphide	NNS
43297	1392	2991	in	in	IN
43297	1392	2992	clay	clay	NN
43297	1392	2993	,	,	,
43297	1392	2994	10	10	CD
43297	1392	2995	,	,	,
43297	1392	2996	82	82	CD
43297	1392	2997	Sulphuric	Sulphuric	NNP
43297	1392	2998	acid	acid	NN
43297	1392	2999	,	,	,
43297	1392	3000	124	124	CD
43297	1392	3001	Sunlight	sunlight	NN
43297	1392	3002	,	,	,
43297	1392	3003	45	45	CD
43297	1392	3004	Surface	surface	NN
43297	1392	3005	clays	clay	NNS
43297	1392	3006	,	,	,
43297	1392	3007	2	2	CD
43297	1392	3008	,	,	,
43297	1392	3009	5	5	CD
43297	1392	3010	,	,	,
43297	1392	3011	52	52	CD
43297	1392	3012	,	,	,
43297	1392	3013	112	112	CD
43297	1392	3014	Suspension	suspension	NN
43297	1392	3015	of	of	IN
43297	1392	3016	clay	clay	NN
43297	1392	3017	,	,	,
43297	1392	3018	43	43	CD
43297	1392	3019	,	,	,
43297	1392	3020	90	90	CD
43297	1392	3021	,	,	,
43297	1392	3022	140	140	CD
43297	1392	3023	,	,	,
43297	1392	3024	152	152	CD
43297	1392	3025	Swelling	swelling	NN
43297	1392	3026	,	,	,
43297	1392	3027	15	15	CD
43297	1392	3028	,	,	,
43297	1392	3029	102	102	CD
43297	1392	3030	Tannin	Tannin	NNP
43297	1392	3031	in	in	IN
43297	1392	3032	clay	clay	NN
43297	1392	3033	,	,	,
43297	1392	3034	25	25	CD
43297	1392	3035	,	,	,
43297	1392	3036	26	26	CD
43297	1392	3037	,	,	,
43297	1392	3038	41	41	CD
43297	1392	3039	Telluric	telluric	NN
43297	1392	3040	water	water	NN
43297	1392	3041	,	,	,
43297	1392	3042	165	165	CD
43297	1392	3043	Temperature	temperature	NN
43297	1392	3044	,	,	,
43297	1392	3045	resistance	resistance	NN
43297	1392	3046	to	to	IN
43297	1392	3047	,	,	,
43297	1392	3048	119	119	CD
43297	1392	3049	,	,	,
43297	1392	3050	120	120	CD
43297	1392	3051	Tensile	tensile	NN
43297	1392	3052	strength	strength	NN
43297	1392	3053	,	,	,
43297	1392	3054	23	23	CD
43297	1392	3055	,	,	,
43297	1392	3056	45	45	CD
43297	1392	3057	Terra	Terra	NNP
43297	1392	3058	-	-	HYPH
43297	1392	3059	cotta	cotta	NNP
43297	1392	3060	clays	clay	NNS
43297	1392	3061	and	and	CC
43297	1392	3062	shales	shale	NNS
43297	1392	3063	,	,	,
43297	1392	3064	5	5	CD
43297	1392	3065	,	,	,
43297	1392	3066	10	10	CD
43297	1392	3067	,	,	,
43297	1392	3068	12	12	CD
43297	1392	3069	,	,	,
43297	1392	3070	31	31	CD
43297	1392	3071	,	,	,
43297	1392	3072	46	46	CD
43297	1392	3073	,	,	,
43297	1392	3074	56	56	CD
43297	1392	3075	,	,	,
43297	1392	3076	63	63	CD
43297	1392	3077	,	,	,
43297	1392	3078	91	91	CD
43297	1392	3079	,	,	,
43297	1392	3080	104	104	CD
43297	1392	3081	,	,	,
43297	1392	3082	123	123	CD
43297	1392	3083	,	,	,
43297	1392	3084	124	124	CD
43297	1392	3085	,	,	,
43297	1392	3086	129	129	CD
43297	1392	3087	,	,	,
43297	1392	3088	166	166	CD
43297	1392	3089	Tertiary	tertiary	JJ
43297	1392	3090	clays	clay	NNS
43297	1392	3091	,	,	,
43297	1392	3092	62	62	CD
43297	1392	3093	Texture	texture	NN
43297	1392	3094	,	,	,
43297	1392	3095	112	112	CD
43297	1392	3096	,	,	,
43297	1392	3097	130	130	CD
43297	1392	3098	Thermal	thermal	JJ
43297	1392	3099	reactions	reaction	NNS
43297	1392	3100	,	,	,
43297	1392	3101	146	146	CD
43297	1392	3102	,	,	,
43297	1392	3103	154	154	CD
43297	1392	3104	,	,	,
43297	1392	3105	158	158	CD
43297	1392	3106	Tiles	tile	NNS
43297	1392	3107	,	,	,
43297	1392	3108	1	1	CD
43297	1392	3109	,	,	,
43297	1392	3110	5	5	CD
43297	1392	3111	,	,	,
43297	1392	3112	57	57	CD
43297	1392	3113	,	,	,
43297	1392	3114	91	91	CD
43297	1392	3115	,	,	,
43297	1392	3116	101	101	CD
43297	1392	3117	,	,	,
43297	1392	3118	129	129	CD
43297	1392	3119	Titanium	Titanium	NNP
43297	1392	3120	compounds	compound	NNS
43297	1392	3121	,	,	,
43297	1392	3122	121	121	CD
43297	1392	3123	Tourmaline	Tourmaline	NNP
43297	1392	3124	,	,	,
43297	1392	3125	76	76	CD
43297	1392	3126	,	,	,
43297	1392	3127	104	104	CD
43297	1392	3128	Transportation	transportation	NN
43297	1392	3129	of	of	IN
43297	1392	3130	clays	clay	NNS
43297	1392	3131	,	,	,
43297	1392	3132	49	49	CD
43297	1392	3133	,	,	,
43297	1392	3134	86	86	CD
43297	1392	3135	,	,	,
43297	1392	3136	98	98	CD
43297	1392	3137	,	,	,
43297	1392	3138	99	99	CD
43297	1392	3139	,	,	,
43297	1392	3140	100	100	CD
43297	1392	3141	Transported	transport	VBN
43297	1392	3142	clays	clay	NNS
43297	1392	3143	,	,	,
43297	1392	3144	70	70	CD
43297	1392	3145	Triassic	Triassic	NNP
43297	1392	3146	clays	clay	NNS
43297	1392	3147	,	,	,
43297	1392	3148	57	57	CD
43297	1392	3149	,	,	,
43297	1392	3150	112	112	CD
43297	1392	3151	,	,	,
43297	1392	3152	130	130	CD
43297	1392	3153	True	true	JJ
43297	1392	3154	clay	clay	NN
43297	1392	3155	,	,	,
43297	1392	3156	144	144	CD
43297	1392	3157	,	,	,
43297	1392	3158	146	146	CD
43297	1392	3159	,	,	,
43297	1392	3160	149	149	CD
43297	1392	3161	,	,	,
43297	1392	3162	150	150	CD
43297	1392	3163	,	,	,
43297	1392	3164	160	160	CD
43297	1392	3165	Twisted	twisted	JJ
43297	1392	3166	ware	ware	NN
43297	1392	3167	,	,	,
43297	1392	3168	114	114	CD
43297	1392	3169	,	,	,
43297	1392	3170	129	129	CD
43297	1392	3171	,	,	,
43297	1392	3172	131	131	CD
43297	1392	3173	Types	type	NNS
43297	1392	3174	of	of	IN
43297	1392	3175	clay	clay	NN
43297	1392	3176	,	,	,
43297	1392	3177	82	82	CD
43297	1392	3178	Ultimate	ultimate	JJ
43297	1392	3179	analysis	analysis	NN
43297	1392	3180	,	,	,
43297	1392	3181	16	16	CD
43297	1392	3182	,	,	,
43297	1392	3183	144	144	CD
43297	1392	3184	Ultra	Ultra	NNP
43297	1392	3185	-	-	NN
43297	1392	3186	marine	marine	NN
43297	1392	3187	,	,	,
43297	1392	3188	clays	clay	NNS
43297	1392	3189	for	for	IN
43297	1392	3190	,	,	,
43297	1392	3191	109	109	CD
43297	1392	3192	Underclays	Underclays	NNPS
43297	1392	3193	,	,	,
43297	1392	3194	53	53	CD
43297	1392	3195	,	,	,
43297	1392	3196	117	117	CD
43297	1392	3197	,	,	,
43297	1392	3198	118	118	CD
43297	1392	3199	Uses	use	NNS
43297	1392	3200	of	of	IN
43297	1392	3201	clay	clay	NN
43297	1392	3202	,	,	,
43297	1392	3203	1	1	CD
43297	1392	3204	,	,	,
43297	1392	3205	165	165	CD
43297	1392	3206	Valuation	valuation	NN
43297	1392	3207	of	of	IN
43297	1392	3208	clay	clay	NN
43297	1392	3209	,	,	,
43297	1392	3210	103	103	CD
43297	1392	3211	,	,	,
43297	1392	3212	109	109	CD
43297	1392	3213	,	,	,
43297	1392	3214	123	123	CD
43297	1392	3215	,	,	,
43297	1392	3216	126	126	CD
43297	1392	3217	,	,	,
43297	1392	3218	162	162	CD
43297	1392	3219	,	,	,
43297	1392	3220	165	165	CD
43297	1392	3221	Vegetable	vegetable	NN
43297	1392	3222	matter	matter	NN
43297	1392	3223	,	,	,
43297	1392	3224	15	15	CD
43297	1392	3225	,	,	,
43297	1392	3226	119	119	CD
43297	1392	3227	Veins	vein	NNS
43297	1392	3228	,	,	,
43297	1392	3229	85	85	CD
43297	1392	3230	Viscosity	viscosity	NN
43297	1392	3231	,	,	,
43297	1392	3232	152	152	CD
43297	1392	3233	Verifiable	verifiable	JJ
43297	1392	3234	clays	clay	NNS
43297	1392	3235	,	,	,
43297	1392	3236	113	113	CD
43297	1392	3237	,	,	,
43297	1392	3238	156	156	CD
43297	1392	3239	,	,	,
43297	1392	3240	166	166	CD
43297	1392	3241	Vitrification	Vitrification	NNP
43297	1392	3242	,	,	,
43297	1392	3243	15	15	CD
43297	1392	3244	,	,	,
43297	1392	3245	20	20	CD
43297	1392	3246	,	,	,
43297	1392	3247	37	37	CD
43297	1392	3248	,	,	,
43297	1392	3249	112	112	CD
43297	1392	3250	,	,	,
43297	1392	3251	113	113	CD
43297	1392	3252	,	,	,
43297	1392	3253	114	114	CD
43297	1392	3254	,	,	,
43297	1392	3255	156	156	CD
43297	1392	3256	Vitrification	vitrification	NN
43297	1392	3257	range	range	NN
43297	1392	3258	,	,	,
43297	1392	3259	38	38	CD
43297	1392	3260	,	,	,
43297	1392	3261	114	114	CD
43297	1392	3262	,	,	,
43297	1392	3263	115	115	CD
43297	1392	3264	,	,	,
43297	1392	3265	116	116	CD
43297	1392	3266	,	,	,
43297	1392	3267	129	129	CD
43297	1392	3268	Volcanoes	Volcanoes	NNPS
43297	1392	3269	,	,	,
43297	1392	3270	85	85	CD
43297	1392	3271	Warp	warp	NN
43297	1392	3272	,	,	,
43297	1392	3273	99	99	CD
43297	1392	3274	Warped	Warped	NNP
43297	1392	3275	ware	ware	NN
43297	1392	3276	,	,	,
43297	1392	3277	114	114	CD
43297	1392	3278	,	,	,
43297	1392	3279	129	129	CD
43297	1392	3280	,	,	,
43297	1392	3281	131	131	CD
43297	1392	3282	Washing	washing	NN
43297	1392	3283	,	,	,
43297	1392	3284	7	7	CD
43297	1392	3285	,	,	,
43297	1392	3286	79	79	CD
43297	1392	3287	Water	Water	NNP
43297	1392	3288	,	,	,
43297	1392	3289	effect	effect	NN
43297	1392	3290	of	of	IN
43297	1392	3291	,	,	,
43297	1392	3292	74	74	CD
43297	1392	3293	,	,	,
43297	1392	3294	76	76	CD
43297	1392	3295	,	,	,
43297	1392	3296	81	81	CD
43297	1392	3297	,	,	,
43297	1392	3298	85	85	CD
43297	1392	3299	,	,	,
43297	1392	3300	86	86	CD
43297	1392	3301	,	,	,
43297	1392	3302	151	151	CD
43297	1392	3303	Water	Water	NNP
43297	1392	3304	in	in	IN
43297	1392	3305	clays	clay	NNS
43297	1392	3306	,	,	,
43297	1392	3307	15	15	CD
43297	1392	3308	,	,	,
43297	1392	3309	17	17	CD
43297	1392	3310	,	,	,
43297	1392	3311	29	29	CD
43297	1392	3312	,	,	,
43297	1392	3313	39	39	CD
43297	1392	3314	,	,	,
43297	1392	3315	45	45	CD
43297	1392	3316	,	,	,
43297	1392	3317	154	154	CD
43297	1392	3318	Wealden	Wealden	NNP
43297	1392	3319	clay	clay	NN
43297	1392	3320	,	,	,
43297	1392	3321	62	62	CD
43297	1392	3322	Weathering	Weathering	NNP
43297	1392	3323	,	,	,
43297	1392	3324	44	44	CD
43297	1392	3325	,	,	,
43297	1392	3326	74	74	CD
43297	1392	3327	,	,	,
43297	1392	3328	76	76	CD
43297	1392	3329	,	,	,
43297	1392	3330	79	79	CD
43297	1392	3331	,	,	,
43297	1392	3332	80	80	CD
43297	1392	3333	,	,	,
43297	1392	3334	97	97	CD
43297	1392	3335	,	,	,
43297	1392	3336	107	107	CD
43297	1392	3337	,	,	,
43297	1392	3338	165	165	CD
43297	1392	3339	White	white	JJ
43297	1392	3340	bricks	brick	NNS
43297	1392	3341	,	,	,
43297	1392	3342	68	68	CD
43297	1392	3343	,	,	,
43297	1392	3344	128	128	CD
43297	1392	3345	White	white	JJ
43297	1392	3346	clays	clay	NNS
43297	1392	3347	,	,	,
43297	1392	3348	70	70	CD
43297	1392	3349	,	,	,
43297	1392	3350	166	166	CD
43297	1392	3351	Wind	Wind	NNP
43297	1392	3352	,	,	,
43297	1392	3353	86	86	CD
43297	1392	3354	Zeolites	zeolite	NNS
43297	1392	3355	,	,	,
43297	1392	3356	157	157	CD
43297	1392	3357	CAMBRIDGE	cambridge	NN
43297	1392	3358	:	:	:
43297	1392	3359	PRINTED	print	VBN
43297	1392	3360	BY	by	IN
43297	1392	3361	JOHN	JOHN	NNP
43297	1392	3362	CLAY	CLAY	NNP
43297	1392	3363	,	,	,
43297	1392	3364	M.A.	M.A.	NNP
43297	1393	1	AT	at	IN
43297	1393	2	THE	the	DT
43297	1393	3	UNIVERSITY	UNIVERSITY	NNP
43297	1393	4	PRESS	press	NN