id	sid	tid	token	lemma	pos
hm50tq60n4g	1	1	this	this	DET
hm50tq60n4g	1	2	thesis	thesis	NOUN
hm50tq60n4g	1	3	examines	examine	VERB
hm50tq60n4g	1	4	nuclear	nuclear	ADJ
hm50tq60n4g	1	5	forensic	forensic	ADJ
hm50tq60n4g	1	6	signatures	signature	NOUN
hm50tq60n4g	1	7	of	of	ADP
hm50tq60n4g	1	8	several	several	ADJ
hm50tq60n4g	1	9	uraninite	uraninite	ADJ
hm50tq60n4g	1	10	samples	sample	NOUN
hm50tq60n4g	1	11	from	from	ADP
hm50tq60n4g	1	12	north	north	PROPN
hm50tq60n4g	1	13	america	america	PROPN
hm50tq60n4g	1	14	(	(	PUNCT
hm50tq60n4g	1	15	n=14	n=14	PROPN
hm50tq60n4g	1	16	)	)	PUNCT
hm50tq60n4g	1	17	and	and	CCONJ
hm50tq60n4g	1	18	the	the	DET
hm50tq60n4g	1	19	democratic	democratic	PROPN
hm50tq60n4g	1	20	republic	republic	PROPN
hm50tq60n4g	1	21	of	of	ADP
hm50tq60n4g	1	22	congo	congo	PROPN
hm50tq60n4g	1	23	(	(	PUNCT
hm50tq60n4g	1	24	n=1	n=1	PROPN
hm50tq60n4g	1	25	)	)	PUNCT
hm50tq60n4g	1	26	for	for	ADP
hm50tq60n4g	1	27	enhancing	enhance	VERB
hm50tq60n4g	1	28	and	and	CCONJ
hm50tq60n4g	1	29	improving	improve	VERB
hm50tq60n4g	1	30	provenance	provenance	NOUN
hm50tq60n4g	1	31	determination	determination	NOUN
hm50tq60n4g	1	32	methods	method	NOUN
hm50tq60n4g	1	33	.	.	PUNCT
hm50tq60n4g	2	1	focused	focused	ADJ
hm50tq60n4g	2	2	ion	ion	NOUN
hm50tq60n4g	2	3	beam	beam	NOUN
hm50tq60n4g	2	4	(	(	PUNCT
hm50tq60n4g	2	5	fib	fib	NOUN
hm50tq60n4g	2	6	)	)	PUNCT
hm50tq60n4g	2	7	coupled	couple	VERB
hm50tq60n4g	2	8	with	with	ADP
hm50tq60n4g	2	9	scanning	scan	VERB
hm50tq60n4g	2	10	electron	electron	NOUN
hm50tq60n4g	2	11	microscopy	microscopy	NOUN
hm50tq60n4g	2	12	(	(	PUNCT
hm50tq60n4g	2	13	sem	sem	PROPN
hm50tq60n4g	2	14	)	)	PUNCT
hm50tq60n4g	2	15	analyses	analysis	NOUN
hm50tq60n4g	2	16	were	be	AUX
hm50tq60n4g	2	17	conducted	conduct	VERB
hm50tq60n4g	2	18	on	on	ADP
hm50tq60n4g	2	19	both	both	CCONJ
hm50tq60n4g	2	20	pristine	pristine	ADJ
hm50tq60n4g	2	21	and	and	CCONJ
hm50tq60n4g	2	22	altered	altered	ADJ
hm50tq60n4g	2	23	sections	section	NOUN
hm50tq60n4g	2	24	of	of	ADP
hm50tq60n4g	2	25	uraninite	uraninite	NOUN
hm50tq60n4g	2	26	in	in	ADP
hm50tq60n4g	2	27	order	order	NOUN
hm50tq60n4g	2	28	to	to	PART
hm50tq60n4g	2	29	understand	understand	VERB
hm50tq60n4g	2	30	its	its	PRON
hm50tq60n4g	2	31	3	3	NUM
hm50tq60n4g	2	32	-	-	PUNCT
hm50tq60n4g	2	33	dimensional	dimensional	ADJ
hm50tq60n4g	2	34	chemical	chemical	ADJ
hm50tq60n4g	2	35	and	and	CCONJ
hm50tq60n4g	2	36	mineralogical	mineralogical	ADJ
hm50tq60n4g	2	37	nature	nature	NOUN
hm50tq60n4g	2	38	.	.	PUNCT
hm50tq60n4g	3	1	the	the	DET
hm50tq60n4g	3	2	latter	latter	ADJ
hm50tq60n4g	3	3	results	result	NOUN
hm50tq60n4g	3	4	were	be	AUX
hm50tq60n4g	3	5	then	then	ADV
hm50tq60n4g	3	6	used	use	VERB
hm50tq60n4g	3	7	to	to	PART
hm50tq60n4g	3	8	establish	establish	VERB
hm50tq60n4g	3	9	pb	pb	PROPN
hm50tq60n4g	3	10	as	as	ADP
hm50tq60n4g	3	11	an	an	DET
hm50tq60n4g	3	12	ideal	ideal	ADJ
hm50tq60n4g	3	13	internal	internal	ADJ
hm50tq60n4g	3	14	standard	standard	NOUN
hm50tq60n4g	3	15	for	for	ADP
hm50tq60n4g	3	16	laser	laser	NOUN
hm50tq60n4g	3	17	ablation	ablation	NOUN
hm50tq60n4g	3	18	inductively	inductively	ADV
hm50tq60n4g	3	19	coupled	couple	VERB
hm50tq60n4g	3	20	plasma	plasma	NOUN
hm50tq60n4g	3	21	mass	mass	NOUN
hm50tq60n4g	3	22	spectrometry	spectrometry	NOUN
hm50tq60n4g	3	23	(	(	PUNCT
hm50tq60n4g	3	24	la	la	ADJ
hm50tq60n4g	3	25	-	-	PUNCT
hm50tq60n4g	3	26	icp	icp	PROPN
hm50tq60n4g	3	27	-	-	PUNCT
hm50tq60n4g	3	28	ms	ms	PROPN
hm50tq60n4g	3	29	)	)	PUNCT
hm50tq60n4g	3	30	analyses	analysis	NOUN
hm50tq60n4g	3	31	of	of	ADP
hm50tq60n4g	3	32	uraninite	uraninite	NOUN
hm50tq60n4g	3	33	.	.	PUNCT
hm50tq60n4g	4	1	trace	trace	NOUN
hm50tq60n4g	4	2	element	element	NOUN
hm50tq60n4g	4	3	abundances	abundance	NOUN
hm50tq60n4g	4	4	and	and	CCONJ
hm50tq60n4g	4	5	isotopic	isotopic	ADJ
hm50tq60n4g	4	6	ratios	ratio	NOUN
hm50tq60n4g	4	7	(	(	PUNCT
hm50tq60n4g	4	8	e.g.	e.g.	X
hm50tq60n4g	4	9	,	,	PUNCT
hm50tq60n4g	4	10	pb	pb	PROPN
hm50tq60n4g	4	11	,	,	PUNCT
hm50tq60n4g	4	12	sr	sr	PROPN
hm50tq60n4g	4	13	,	,	PUNCT
hm50tq60n4g	4	14	and	and	CCONJ
hm50tq60n4g	4	15	u	u	PROPN
hm50tq60n4g	4	16	)	)	PUNCT
hm50tq60n4g	4	17	were	be	AUX
hm50tq60n4g	4	18	determined	determine	VERB
hm50tq60n4g	4	19	by	by	ADP
hm50tq60n4g	4	20	utilizing	utilize	VERB
hm50tq60n4g	4	21	both	both	DET
hm50tq60n4g	4	22	laand	laand	NOUN
hm50tq60n4g	4	23	solution	solution	NOUN
hm50tq60n4g	4	24	mode	mode	NOUN
hm50tq60n4g	4	25	(	(	PUNCT
hm50tq60n4g	4	26	sm)-icp	sm)-icp	PROPN
hm50tq60n4g	4	27	-	-	PUNCT
hm50tq60n4g	4	28	ms	ms	NOUN
hm50tq60n4g	4	29	and	and	CCONJ
hm50tq60n4g	4	30	multicollector	multicollector	NOUN
hm50tq60n4g	4	31	(	(	PUNCT
hm50tq60n4g	4	32	mc)-icp	mc)-icp	PROPN
hm50tq60n4g	4	33	-	-	PUNCT
hm50tq60n4g	4	34	ms	ms	PROPN
hm50tq60n4g	4	35	methods	method	NOUN
hm50tq60n4g	4	36	.	.	PUNCT
hm50tq60n4g	5	1	trace	trace	NOUN
hm50tq60n4g	5	2	element	element	NOUN
hm50tq60n4g	5	3	abundances	abundance	NOUN
hm50tq60n4g	5	4	are	be	AUX
hm50tq60n4g	5	5	attributed	attribute	VERB
hm50tq60n4g	5	6	to	to	ADP
hm50tq60n4g	5	7	both	both	DET
hm50tq60n4g	5	8	crystallographic	crystallographic	NOUN
hm50tq60n4g	5	9	-	-	PUNCT
hm50tq60n4g	5	10	controlled	control	VERB
hm50tq60n4g	5	11	substitution	substitution	NOUN
hm50tq60n4g	5	12	mechanisms	mechanism	NOUN
hm50tq60n4g	5	13	and	and	CCONJ
hm50tq60n4g	5	14	crustal	crustal	NOUN
hm50tq60n4g	5	15	source(s	source(s	NOUN
hm50tq60n4g	5	16	)	)	PUNCT
hm50tq60n4g	5	17	involved	involve	VERB
hm50tq60n4g	5	18	in	in	ADP
hm50tq60n4g	5	19	the	the	DET
hm50tq60n4g	5	20	formation	formation	NOUN
hm50tq60n4g	5	21	of	of	ADP
hm50tq60n4g	5	22	uraninite	uraninite	NOUN
hm50tq60n4g	5	23	.	.	PUNCT
hm50tq60n4g	6	1	secondary	secondary	ADJ
hm50tq60n4g	6	2	207pb-206pb	207pb-206pb	NUM
hm50tq60n4g	6	3	isochron	isochron	ADJ
hm50tq60n4g	6	4	ages	age	NOUN
hm50tq60n4g	6	5	obtained	obtain	VERB
hm50tq60n4g	6	6	by	by	ADP
hm50tq60n4g	6	7	la	la	PROPN
hm50tq60n4g	6	8	-	-	PUNCT
hm50tq60n4g	6	9	mc	mc	NOUN
hm50tq60n4g	6	10	-	-	PUNCT
hm50tq60n4g	6	11	icp	icp	PROPN
hm50tq60n4g	6	12	-	-	PUNCT
hm50tq60n4g	6	13	ms	ms	PROPN
hm50tq60n4g	6	14	are	be	AUX
hm50tq60n4g	6	15	equivalent	equivalent	ADJ
hm50tq60n4g	6	16	to	to	ADP
hm50tq60n4g	6	17	those	those	PRON
hm50tq60n4g	6	18	both	both	PRON
hm50tq60n4g	6	19	derived	derive	VERB
hm50tq60n4g	6	20	by	by	ADP
hm50tq60n4g	6	21	sm	sm	PROPN
hm50tq60n4g	6	22	-	-	PUNCT
hm50tq60n4g	6	23	mc	mc	PROPN
hm50tq60n4g	6	24	-	-	PUNCT
hm50tq60n4g	6	25	icp	icp	PROPN
hm50tq60n4g	6	26	-	-	PUNCT
hm50tq60n4g	6	27	ms	ms	PROPN
hm50tq60n4g	6	28	and	and	CCONJ
hm50tq60n4g	6	29	available	available	ADJ
hm50tq60n4g	6	30	in	in	ADP
hm50tq60n4g	6	31	literature	literature	NOUN
hm50tq60n4g	6	32	for	for	ADP
hm50tq60n4g	6	33	the	the	DET
hm50tq60n4g	6	34	u	u	PROPN
hm50tq60n4g	6	35	ore	ore	NOUN
hm50tq60n4g	6	36	deposits	deposit	NOUN
hm50tq60n4g	6	37	investigated	investigate	VERB
hm50tq60n4g	6	38	here	here	ADV
hm50tq60n4g	6	39	;	;	PUNCT
hm50tq60n4g	6	40	this	this	DET
hm50tq60n4g	6	41	feature	feature	NOUN
hm50tq60n4g	6	42	confirms	confirm	VERB
hm50tq60n4g	6	43	the	the	DET
hm50tq60n4g	6	44	use	use	NOUN
hm50tq60n4g	6	45	of	of	ADP
hm50tq60n4g	6	46	pb	pb	PROPN
hm50tq60n4g	6	47	-	-	PUNCT
hm50tq60n4g	6	48	pb	pb	PROPN
hm50tq60n4g	6	49	secondary	secondary	ADJ
hm50tq60n4g	6	50	isochron	isochron	ADJ
hm50tq60n4g	6	51	ages	age	NOUN
hm50tq60n4g	6	52	as	as	ADP
hm50tq60n4g	6	53	a	a	DET
hm50tq60n4g	6	54	new	new	ADJ
hm50tq60n4g	6	55	and	and	CCONJ
hm50tq60n4g	6	56	viable	viable	ADJ
hm50tq60n4g	6	57	tool	tool	NOUN
hm50tq60n4g	6	58	in	in	ADP
hm50tq60n4g	6	59	nuclear	nuclear	ADJ
hm50tq60n4g	6	60	forensic	forensic	ADJ
hm50tq60n4g	6	61	investigations	investigation	NOUN
hm50tq60n4g	6	62	.	.	PUNCT
hm50tq60n4g	7	1	207pb-206pb	207pb-206pb	NUM
hm50tq60n4g	7	2	isochron	isochron	ADJ
hm50tq60n4g	7	3	ages	age	NOUN
hm50tq60n4g	7	4	also	also	ADV
hm50tq60n4g	7	5	indicate	indicate	VERB
hm50tq60n4g	7	6	alteration	alteration	NOUN
hm50tq60n4g	7	7	of	of	ADP
hm50tq60n4g	7	8	uraninite	uraninite	NOUN
hm50tq60n4g	7	9	occurs	occur	VERB
hm50tq60n4g	7	10	relatively	relatively	ADV
hm50tq60n4g	7	11	soon	soon	ADV
hm50tq60n4g	7	12	(	(	PUNCT
hm50tq60n4g	7	13	within	within	ADP
hm50tq60n4g	7	14	a	a	DET
hm50tq60n4g	7	15	few	few	ADJ
hm50tq60n4g	7	16	million	million	NUM
hm50tq60n4g	7	17	years	year	NOUN
hm50tq60n4g	7	18	)	)	PUNCT
hm50tq60n4g	7	19	after	after	ADP
hm50tq60n4g	7	20	mineralization	mineralization	NOUN
hm50tq60n4g	7	21	.	.	PUNCT
hm50tq60n4g	8	1	correlation	correlation	NOUN
hm50tq60n4g	8	2	between	between	ADP
hm50tq60n4g	8	3	initial	initial	ADJ
hm50tq60n4g	8	4	87sr/86sr	87sr/86sr	NUM
hm50tq60n4g	8	5	values	value	NOUN
hm50tq60n4g	8	6	and	and	CCONJ
hm50tq60n4g	8	7	host	host	NOUN
hm50tq60n4g	8	8	craton	craton	NOUN
hm50tq60n4g	8	9	ages	age	NOUN
hm50tq60n4g	8	10	suggest	suggest	VERB
hm50tq60n4g	8	11	uraninite	uraninite	ADJ
hm50tq60n4g	8	12	mineralization	mineralization	NOUN
hm50tq60n4g	8	13	is	be	AUX
hm50tq60n4g	8	14	influenced	influence	VERB
hm50tq60n4g	8	15	by	by	ADP
hm50tq60n4g	8	16	the	the	DET
hm50tq60n4g	8	17	host	host	NOUN
hm50tq60n4g	8	18	rock	rock	NOUN
hm50tq60n4g	8	19	geology	geology	NOUN
hm50tq60n4g	8	20	.	.	PUNCT
hm50tq60n4g	9	1	δ238u	δ238u	PUNCT
hm50tq60n4g	9	2	and	and	CCONJ
hm50tq60n4g	9	3	δ234u	δ234u	ADJ
hm50tq60n4g	9	4	values	value	NOUN
hm50tq60n4g	9	5	indicate	indicate	VERB
hm50tq60n4g	9	6	that	that	SCONJ
hm50tq60n4g	9	7	uranium	uranium	NOUN
hm50tq60n4g	9	8	fractionation	fractionation	NOUN
hm50tq60n4g	9	9	is	be	AUX
hm50tq60n4g	9	10	the	the	DET
hm50tq60n4g	9	11	result	result	NOUN
hm50tq60n4g	9	12	of	of	ADP
hm50tq60n4g	9	13	multiple	multiple	ADJ
hm50tq60n4g	9	14	mechanisms	mechanism	NOUN
hm50tq60n4g	9	15	and	and	CCONJ
hm50tq60n4g	9	16	that	that	SCONJ
hm50tq60n4g	9	17	the	the	DET
hm50tq60n4g	9	18	uraninites	uraninite	NOUN
hm50tq60n4g	9	19	investigated	investigate	VERB
hm50tq60n4g	9	20	here	here	ADV
hm50tq60n4g	9	21	have	have	AUX
hm50tq60n4g	9	22	incurred	incur	VERB
hm50tq60n4g	9	23	alteration	alteration	NOUN
hm50tq60n4g	9	24	events	event	NOUN
hm50tq60n4g	9	25	within	within	ADP
hm50tq60n4g	9	26	the	the	DET
hm50tq60n4g	9	27	last	last	ADJ
hm50tq60n4g	9	28	~2	~2	NUM
hm50tq60n4g	9	29	million	million	NUM
hm50tq60n4g	9	30	years	year	NOUN
hm50tq60n4g	9	31	,	,	PUNCT
hm50tq60n4g	9	32	respectively	respectively	ADV
hm50tq60n4g	9	33	;	;	PUNCT
hm50tq60n4g	9	34	the	the	DET
hm50tq60n4g	9	35	latter	latter	ADJ
hm50tq60n4g	9	36	did	do	AUX
hm50tq60n4g	9	37	not	not	PART
hm50tq60n4g	9	38	perturb	perturb	VERB
hm50tq60n4g	9	39	the	the	DET
hm50tq60n4g	9	40	secondary	secondary	ADJ
hm50tq60n4g	9	41	pb	pb	PROPN
hm50tq60n4g	9	42	-	-	PUNCT
hm50tq60n4g	9	43	pb	pb	PROPN
hm50tq60n4g	9	44	isochron	isochron	ADJ
hm50tq60n4g	9	45	ages	age	NOUN
hm50tq60n4g	9	46	.	.	PUNCT