Mineral Evolution Database
Created and maintained by the Mineral Evolution Project in partnership with RRUFF and mindat.
Mineral locality data provided by mindat.org

Ages for Columbite-(Fe) at Colorado, USA

The cyan highlights indicate which age entries were selected as the "best" for assigning the mineral an age of 1490Ma - 1007.21Ma at this locality

Age range from children

Excel ID	Max Age (Ma)	Min Age (Ma)	Dated Mineral	Minerals explicitely stated as having this age	Age applies to these Elements	Dated Locality ID	Dated Locality	Ref	Ref ID
Bradley_2012_146	1490	1350				5902	Brown Derby Mine, Quartz Creek Pegmatite District, Gunnison Co., Colorado, USA	McCauley and Bradley (2014)	CM52_183
USGS-Rb-Sr-00213	1107.21	1007.21				3668	Pikes Peak, El Paso Co., Colorado, USA	USGS-Rb-Sr	USGS-Rb-Sr

Mineralization age

Excel ID	Max Age (Ma)	Min Age (Ma)	Dated Mineral	Minerals explicitely stated as having this age	Age applies to these Elements	Dated Locality ID	Dated Locality	Ref	Ref ID
Jen_0000011	1770	1760	Zircon		Si,Ti,Al,Fe,Mg,Ca,Na,K	113882	Gunnison District Occurrence (W.C. Dillon; MS 10715), Gunnison District, Gunnison Co., Colorado, USA	Černý (1991)	PR51_429

Locality age

Excel ID	Max Age (Ma)	Min Age (Ma)	Dated Mineral	Minerals explicitely stated as having this age	Age applies to these Elements	Dated Locality ID	Dated Locality	Ref	Ref ID
AJES44_373-00014	32	31			Au	3611	Cripple Creek District, Teller Co., Colorado, USA	Sillitoe (1997)	AJES44_373
Alexandra-0274	336	330	Zircon			195542	Globe Hill, Cripple Creek District, Teller Co., Colorado, USA	Montero et al. (2000)	T317_93
Alexandra-0309	1450	1250				5902	Brown Derby Mine, Quartz Creek Pegmatite District, Gunnison Co., Colorado, USA	Aldrich et al. (1956)	JGR61_215
Alexandra-0394	570	570		Diopside, Fluorapatite, Ilmenite, Magnetite, Phlogopite, Titanite		3632	Iron Hill (Iron Hill Carbonatite Complex), White Earth District (Powderhorn District), Gunnison Co., Colorado, USA	Van Gosen (2009)	USGSOFR2009_1005
Alexandra-0395	510	510				3632	Iron Hill (Iron Hill Carbonatite Complex), White Earth District (Powderhorn District), Gunnison Co., Colorado, USA	Van Gosen (2009)	USGSOFR2009_1005
Bradley_2012_029	1610	1570				3600	Trout Creek Pass Pegmatite District, Chaffee Co., Colorado, USA	McCauley and Bradley (2014)	CM52_183
Bradley_2012_075	1773	1757	Zircon			118350	Buffalo Pass Occurrence, Fish Creek District, Routt Co., Colorado, USA	McCauley and Bradley (2014)	CM52_183
Bradley_2012_101	1435	1425	Zircon			224613	Five Points Gulch, Wet Mountains Area, Fremont Co., Colorado, USA	McCauley and Bradley (2014)	CM52_183
Bradley_2012_116	1713	1709	Zircon			113764	Black Canyon Beryl Prospect, Curecanti Needle Area, Gunnison Co., Colorado, USA	McCauley and Bradley (2014)	CM52_183
Bradley_2012_117	1415	1411	Zircon			113764	Black Canyon Beryl Prospect, Curecanti Needle Area, Gunnison Co., Colorado, USA	McCauley and Bradley (2014)	CM52_183
Bradley_2012_132	1079	1075				3668	Pikes Peak, El Paso Co., Colorado, USA	McCauley and Bradley (2014)	CM52_183
Bradley_2012_141	26	26				3690	Sweet Home Mine (Home Sweet Home Mine; Sweet Home Lode And Pulaski Lode [Patents 106 And 107]), Mount Bross, Alma District, Park Co., Colorado, USA	McCauley and Bradley (2014)	CM52_183
Bradley_2012_146	1490	1350				5902	Brown Derby Mine, Quartz Creek Pegmatite District, Gunnison Co., Colorado, USA	McCauley and Bradley (2014)	CM52_183
Cr-00017	1020	980		Crocoite	Cr	114064	Seventy-Six Shaft, Willow Creek District, Gunnison Co., Colorado, USA	Gastil (1960)	AJS258_1
EG71_1006	24.9	24.3				25833	Creede District, Mineral Co., Colorado, USA	Bethke et al. (1976)	EG71_1006
Giersdorf_00000265	1114	1075	Zircon			71514	Ray Ziegler Pegmatite Pocket, Crystal Peak, Teller Co., Colorado, USA	Blasi et al. (1984)	BM107_411
Giersdorf_00000266	1021	995				71514	Ray Ziegler Pegmatite Pocket, Crystal Peak, Teller Co., Colorado, USA	Blasi et al. (1984)	BM107_411
Giersdorf_00000267	1073	1009	Microcline			71514	Ray Ziegler Pegmatite Pocket, Crystal Peak, Teller Co., Colorado, USA	Blasi et al. (1984)	BM107_411
Giersdorf_00000608	80	80	Coffinite	Coffinite		115884	Matchless Mine, Calamity Mesa, Uravan District, Mesa Co., Colorado, USA	Miller et al. (1963)	GSAB74_609
Giersdorf_00000609	96	96	Coffinite	Coffinite		115884	Matchless Mine, Calamity Mesa, Uravan District, Mesa Co., Colorado, USA	Miller et al. (1963)	GSAB74_609
Giersdorf_00000611	70	70	Coffinite	Coffinite, Uraninite		5934	La Sal No. 2 Mine, Beaver Mesa, Mesa Co., Colorado, USA	Miller et al. (1963)	GSAB74_609
Giersdorf_00000612	87	87	Coffinite	Coffinite, Uraninite		5934	La Sal No. 2 Mine, Beaver Mesa, Mesa Co., Colorado, USA	Miller et al. (1963)	GSAB74_609
Giersdorf_00000614	80	80	Coffinite	Coffinite, Uraninite		5934	La Sal No. 2 Mine, Beaver Mesa, Mesa Co., Colorado, USA	Miller et al. (1963)	GSAB74_609
Giersdorf_00000615	93	93	Coffinite	Coffinite, Uraninite		5934	La Sal No. 2 Mine, Beaver Mesa, Mesa Co., Colorado, USA	Miller et al. (1963)	GSAB74_609
Giersdorf_00000617	90	90	Coffinite	Coffinite, Uraninite		5934	La Sal No. 2 Mine, Beaver Mesa, Mesa Co., Colorado, USA	Miller et al. (1963)	GSAB74_609
Giersdorf_00000618	110	110	Coffinite	Coffinite, Uraninite		5934	La Sal No. 2 Mine, Beaver Mesa, Mesa Co., Colorado, USA	Miller et al. (1963)	GSAB74_609
Giersdorf_00000620	90	90	Coffinite	Coffinite		115736	Black Mama (Peaches Black Mama), Tenderfoot Mesa, Uravan District, Mesa Co., Colorado, USA	Miller et al. (1963)	GSAB74_609
Giersdorf_00000621	106	106	Coffinite	Coffinite		115736	Black Mama (Peaches Black Mama), Tenderfoot Mesa, Uravan District, Mesa Co., Colorado, USA	Miller et al. (1963)	GSAB74_609
Giersdorf_00000794	94	94	Uraninite	Autunite, Boltwoodite, Chalcocite, Chalcopyrite, Covellite, Galena, Ianthinite, Marcasite, Metazeunerite, Pyrite, Schoepite, Soddyite, Sphalerite, Uraninite, Zeunerite	U	30136	Lookout No. 22 Claim, Marshall Pass District, Saguache Co., Colorado, USA	Gross (1965)	AM50_909
Giersdorf_00000795	99	99	Uraninite	Autunite, Boltwoodite, Chalcocite, Chalcopyrite, Covellite, Galena, Ianthinite, Marcasite, Metazeunerite, Pyrite, Schoepite, Soddyite, Sphalerite, Uraninite, Zeunerite	U	30136	Lookout No. 22 Claim, Marshall Pass District, Saguache Co., Colorado, USA	Gross (1965)	AM50_909
Giersdorf_00000796	203	203	Uraninite	Autunite, Boltwoodite, Chalcocite, Chalcopyrite, Covellite, Galena, Ianthinite, Marcasite, Metazeunerite, Pyrite, Schoepite, Soddyite, Sphalerite, Uraninite, Zeunerite	U	30136	Lookout No. 22 Claim, Marshall Pass District, Saguache Co., Colorado, USA	Gross (1965)	AM50_909
Giersdorf_00000809	23.03	5.3		Autunite, Becquerelite, Carnotite, Coffinite, Liebigite, Schoepite, Torbernite, Tyuyamunite, Uraninite, Zeunerite	U	133365	Maybell District, Moffat Co., Colorado, USA	Chenoweth (1986)	NINCG_289
Giersdorf_00000883	67.9	63.1				6282	Schwartzwalder Mine (Ralston Creek Mine), Ralston Buttes District, Jefferson Co., Colorado, USA	Ludwig et al. (1985)	EG80_1858
Giersdorf_00000884	73.9	65.3				6282	Schwartzwalder Mine (Ralston Creek Mine), Ralston Buttes District, Jefferson Co., Colorado, USA	Ludwig et al. (1985)	EG80_1858
Giersdorf_00000885	94	70				6282	Schwartzwalder Mine (Ralston Creek Mine), Ralston Buttes District, Jefferson Co., Colorado, USA	Ludwig et al. (1985)	EG80_1858
Giersdorf_00000886	78	52				6282	Schwartzwalder Mine (Ralston Creek Mine), Ralston Buttes District, Jefferson Co., Colorado, USA	Ludwig et al. (1985)	EG80_1858
Giersdorf_00000887	92	52				6282	Schwartzwalder Mine (Ralston Creek Mine), Ralston Buttes District, Jefferson Co., Colorado, USA	Ludwig et al. (1985)	EG80_1858
Giersdorf_00000888	81	59				6282	Schwartzwalder Mine (Ralston Creek Mine), Ralston Buttes District, Jefferson Co., Colorado, USA	Ludwig et al. (1985)	EG80_1858
Giersdorf_00000889	98	48				6282	Schwartzwalder Mine (Ralston Creek Mine), Ralston Buttes District, Jefferson Co., Colorado, USA	Ludwig et al. (1985)	EG80_1858
Giersdorf_00000890	70.4	68.2			U	6282	Schwartzwalder Mine (Ralston Creek Mine), Ralston Buttes District, Jefferson Co., Colorado, USA	Ludwig et al. (1985)	EG80_1858
Giersdorf_00000891	72.2	67.6				6282	Schwartzwalder Mine (Ralston Creek Mine), Ralston Buttes District, Jefferson Co., Colorado, USA	Ludwig et al. (1985)	EG80_1858
Giersdorf_00000892	1860	1600				6282	Schwartzwalder Mine (Ralston Creek Mine), Ralston Buttes District, Jefferson Co., Colorado, USA	Ludwig et al. (1985)	EG80_1858
Hg-00080	65.5	0		Calomel, Coloradoite, Magnolite, Mercury	Hg	24262	Magnolia District, Boulder Co., Colorado, USA	Kelly and Goddard (1969)	GSAM109_237
Hg-00100	27.82	23.03		Mazzettiite	Hg	50124	Bonanza District (Kerber Creek District), Saguache Co., Colorado, USA	Pride and Hasenohr (1983)	JGE19_405
Hg-00100a	27.8	27.8		Mazzettiite	Hg,Au,Ag,Pb,Zn	50124	Bonanza District (Kerber Creek District), Saguache Co., Colorado, USA	Rose and Pride (2010)	GSAAP42_54
Jen_0000008	1015	1015				65416	Pikes Peak Batholith Miarolitic Cavities, Pikes Peak, El Paso Co., Colorado, USA	Černý (1991)	PR51_429
Jen_0000010	1440	1440				113770	Black Wonder Occurrence, Quartz Creek Pegmatite District, Gunnison Co., Colorado, USA	Černý (1991)	PR51_429
Jen_0000012	1740	1730		Andalusite, Cordierite, Staurolite	Ni,Sr,Zr	118476	Cochetopa Creek Occurrence, Cochetopa District (Cochetopa Creek District), Saguache Co., Colorado, USA	Černý (1991)	PR51_429
Jen_0000100	1390.015	1389.985				158735	Curecanti Needle Area, Gunnison Co., Colorado, USA	Anderson (1983)	GSAM161_133
Jen_0000148	1030.013	1029.987				65416	Pikes Peak Batholith Miarolitic Cavities, Pikes Peak, El Paso Co., Colorado, USA	Anderson (1983)	GSAM161_133
Jen_0000886	511	511				159375	Democrat Creek Alkalic Complex, Fremont Co., Colorado, USA	Woolley and Kjarsgaard (2008)	GSCOF5796
Jen_0000887	512	512				159375	Democrat Creek Alkalic Complex, Fremont Co., Colorado, USA	Woolley and Kjarsgaard (2008)	GSCOF5796
Jen_0000888	534	534				159375	Democrat Creek Alkalic Complex, Fremont Co., Colorado, USA	Woolley and Kjarsgaard (2008)	GSCOF5796
Jen_0000893	528	528				122863	McClure Gulch Carbonatite Dike, McClure Mountain, Iron Mountain Complex, Fremont Co., Colorado, USA	Woolley and Kjarsgaard (2008)	GSCOF5796
Jen_0000894	520	520				122863	McClure Gulch Carbonatite Dike, McClure Mountain, Iron Mountain Complex, Fremont Co., Colorado, USA	Woolley and Kjarsgaard (2008)	GSCOF5796
Jen_0000895	508	508				122863	McClure Gulch Carbonatite Dike, McClure Mountain, Iron Mountain Complex, Fremont Co., Colorado, USA	Woolley and Kjarsgaard (2008)	GSCOF5796
Jen_0000896	521	521				122863	McClure Gulch Carbonatite Dike, McClure Mountain, Iron Mountain Complex, Fremont Co., Colorado, USA	Woolley and Kjarsgaard (2008)	GSCOF5796
Jen_0000897	540	530				122863	McClure Gulch Carbonatite Dike, McClure Mountain, Iron Mountain Complex, Fremont Co., Colorado, USA	Woolley and Kjarsgaard (2008)	GSCOF5796
Jen_0000898	506	506	Titanite			122863	McClure Gulch Carbonatite Dike, McClure Mountain, Iron Mountain Complex, Fremont Co., Colorado, USA	Woolley and Kjarsgaard (2008)	GSCOF5796
Jen_0000904	551	551	Riebeckite			24296	Gem Park Complex, Fremont Co., Colorado, USA	Woolley and Kjarsgaard (2008)	GSCOF5796
Jen_0000931	589	569				3632	Iron Hill (Iron Hill Carbonatite Complex), White Earth District (Powderhorn District), Gunnison Co., Colorado, USA	Woolley and Kjarsgaard (2008)	GSCOF5796
Jen_0000932	570	570				3632	Iron Hill (Iron Hill Carbonatite Complex), White Earth District (Powderhorn District), Gunnison Co., Colorado, USA	Woolley and Kjarsgaard (2008)	GSCOF5796
Jen_0000933	550	550	Titanite			3632	Iron Hill (Iron Hill Carbonatite Complex), White Earth District (Powderhorn District), Gunnison Co., Colorado, USA	Woolley and Kjarsgaard (2008)	GSCOF5796
Jen_0001438	16.6	13	Scheelite			3663	Silverton, Animas District, San Juan Co., Colorado, USA	Poulin et al. (2016)	CM54_1147
Kristen001580	32.6	32.4	Sanidine			24222	Cripple Creek, Cripple Creek District, Teller Co., Colorado, USA	Kelley et al. (1998)	EG93_981
Kristen001593	32.4	32.22				24222	Cripple Creek, Cripple Creek District, Teller Co., Colorado, USA	Kelley et al. (1998)	EG93_981
Kristen001605	32	31.6	Sanidine			24222	Cripple Creek, Cripple Creek District, Teller Co., Colorado, USA	Kelley et al. (1998)	EG93_981
Kristen001617	31.8	31.4	Sanidine			24222	Cripple Creek, Cripple Creek District, Teller Co., Colorado, USA	Kelley et al. (1998)	EG93_981
Kristen001633	31.8	31.4				24222	Cripple Creek, Cripple Creek District, Teller Co., Colorado, USA	Kelley et al. (1998)	EG93_981
Kristen001645	31	30.8	Sanidine			24222	Cripple Creek, Cripple Creek District, Teller Co., Colorado, USA	Kelley et al. (1998)	EG93_981
Kristen001658	31.4	31.2		Pyrite	Au,Te	24222	Cripple Creek, Cripple Creek District, Teller Co., Colorado, USA	Kelley et al. (1998)	EG93_981
Kristen001669	30	29.8		Pyrite, Quartz		16465	Molly Kathleen Mine, Cripple Creek, Cripple Creek District, Teller Co., Colorado, USA	Kelley et al. (1998)	EG93_981
Kristen001682	29.88	29.64				67776	Cresson Open Pit, Cripple Creek, Cripple Creek District, Teller Co., Colorado, USA	Kelley et al. (1998)	EG93_981
Kristen001693	29.67	29.55		Quartz		159260	Gold Star Pit, Altman, Teller Co., Colorado, USA	Kelley et al. (1998)	EG93_981
Kristen001706	28.7	28.7				134571	Isabella Phonotephrite Dike, Cripple Creek District, Teller Co., Colorado, USA	Kelley et al. (1998)	EG93_981
Kristen001718	28.9	28.7				159260	Gold Star Pit, Altman, Teller Co., Colorado, USA	Kelley et al. (1998)	EG93_981
Kristen001734	28.3	28.1				159260	Gold Star Pit, Altman, Teller Co., Colorado, USA	Kelley et al. (1998)	EG93_981
Kristen001957	23.1	23.1				5591	Lake City District (Lake District), Hinsdale Co., Colorado, USA	Hon et al. (1985)	EG80_410
Kristen001958	29	29				5591	Lake City District (Lake District), Hinsdale Co., Colorado, USA	Hon et al. (1985)	EG80_410
Kristen001959	30.5	27.5				5591	Lake City District (Lake District), Hinsdale Co., Colorado, USA	Hon et al. (1985)	EG80_410
Kristen001960	29.5	27.5				5591	Lake City District (Lake District), Hinsdale Co., Colorado, USA	Hon et al. (1985)	EG80_410
Kristen001961	24.1	22.1				5591	Lake City District (Lake District), Hinsdale Co., Colorado, USA	Hon et al. (1985)	EG80_410
Kristen001962	19.8	17.8				5591	Lake City District (Lake District), Hinsdale Co., Colorado, USA	Hon et al. (1985)	EG80_410
Kristen001963	28	27				3642	Golden Fleece Mine, Lake City, Lake City District (Lake District), Hinsdale Co., Colorado, USA	Hon et al. (1985)	EG80_410
Kristen001964	30.1	27.5				3642	Golden Fleece Mine, Lake City, Lake City District (Lake District), Hinsdale Co., Colorado, USA	Hon et al. (1985)	EG80_410
Kristen001965	28.5	27.1				5591	Lake City District (Lake District), Hinsdale Co., Colorado, USA	Hon et al. (1985)	EG80_410
Kristen001966	21.2	20.4				7754	Oulay Mine (Ulay Mine; Ute-Ulay Mine), Lake City, Lake City District (Lake District), Hinsdale Co., Colorado, USA	Hon et al. (1985)	EG80_410
Michelle_0016	56	33.9		Abelsonite		118255	Piceance Creek Basin Saline Deposits (Piceance Creek Basin Nahcolite And Dawsonite Deposits), Piceance Creek Basin, Rio Blanco Co., Colorado, USA	Mason et al. (1989)	OG14_585
Mo-00082	30	10		Jordisite, Sidwillite	Mo	5984	Lake Como, San Juan Co., Colorado, USA	Lipman et al. (1976)	EG71_571
Mo-00103	33	24		Koechlinite, Molybdenite, Molybdite	Mo	7745	Climax Mine (Climax Open Pit Mine), Climax, Climax District, Lake Co., Colorado, USA	Bookstrom (1989)	EG27_543
Mo-00104	28.4	24.8	Molybdenite	Koechlinite, Molybdenite, Molybdite	Mo	7745	Climax Mine (Climax Open Pit Mine), Climax, Climax District, Lake Co., Colorado, USA	Suzuki et al. (1993)	GCA57_1625
Mo-00187	65.5	0		Molybdenite	Mo	24262	Magnolia District, Boulder Co., Colorado, USA	Kelly and Goddard (1969)	GSAM109_237
Mo-00256	27.82	23.03		Molybdenite	Mo	50124	Bonanza District (Kerber Creek District), Saguache Co., Colorado, USA	Pride and Hasenohr (1983)	JGE19_405
Mo-00256a	27.8	27.8		Molybdenite	Mo,Au,Ag,Pb,Zn	50124	Bonanza District (Kerber Creek District), Saguache Co., Colorado, USA	Rose and Pride (2010)	GSAAP42_54
NAVDAT-128174	56	46				110360	Phillips (Meadow Lark; Lee S.; Sur No. 209; Storm Occurrence), Sugarloaf District, Boulder Co., Colorado, USA	NAVDAT	NAVDAT
NAVDAT-128194	70	60				111404	Hidden Treasure, Upper Union District (Empire District), Clear Creek Co., Colorado, USA	NAVDAT	NAVDAT
NAVDAT-128206	65	55				110350	Pandora No. 1 & 4 Lode Claims, Magnolia District, Boulder Co., Colorado, USA	NAVDAT	NAVDAT
NAVDAT-128208	65	55				110453	Snowy Range Mine, Lake Albion, Boulder Co., Colorado, USA	NAVDAT	NAVDAT
NAVDAT-128220	63	53				113318	Big Bertha, Michigan Hill, Apex District, Gilpin Co., Colorado, USA	NAVDAT	NAVDAT
NAVDAT-1341	26.3	26.22				282543	Wagon Wheel Gap, Mineral Co., Colorado, USA	NAVDAT	NAVDAT
NAVDAT-1347	27.5	26				116068	Captive Inca Mine, Creede District, Mineral Co., Colorado, USA	NAVDAT	NAVDAT
NAVDAT-1349	35	28				116068	Captive Inca Mine, Creede District, Mineral Co., Colorado, USA	NAVDAT	NAVDAT
NAVDAT-1402	23.3	21.3				145248	Mount Mestas, La Veta Pass Area, Huerfano Co., Colorado, USA	NAVDAT	NAVDAT
NAVDAT-1410	27.2	21.3				114566	Wayatoya Creek Placer, La Veta District, Huerfano Co., Colorado, USA	NAVDAT	NAVDAT
NAVDAT-1412	23.5	21.5				159180	Copper Bull Mine, La Veta Pass Area, Huerfano Co., Colorado, USA	NAVDAT	NAVDAT
NAVDAT-1415	23.5	21.5				145249	Aguilar-Apishapa Pass, Las Animas Co., Colorado, USA	NAVDAT	NAVDAT
NAVDAT-1648	72.3	67.7				118131	Single Jack Group, Aspen District (Roaring Fork District), Pitkin Co., Colorado, USA	NAVDAT	NAVDAT
NAVDAT-1649	69.6	65.2				118131	Single Jack Group, Aspen District (Roaring Fork District), Pitkin Co., Colorado, USA	NAVDAT	NAVDAT
NAVDAT-16628	65	55				110280	Modoc, Ward District, Boulder Co., Colorado, USA	NAVDAT	NAVDAT
NAVDAT-16987	27.45	27.25				116124	Outlet Tunnel, Creede District, Mineral Co., Colorado, USA	NAVDAT	NAVDAT
NAVDAT-16989	27.45	27.25				116124	Outlet Tunnel, Creede District, Mineral Co., Colorado, USA	NAVDAT	NAVDAT
NAVDAT-19671	73	63				111404	Hidden Treasure, Upper Union District (Empire District), Clear Creek Co., Colorado, USA	NAVDAT	NAVDAT
NAVDAT-19685	39	29				110823	Middle Mountain Prospect, La Plata District (Winfield District), Chaffee Co., Colorado, USA	NAVDAT	NAVDAT
NAVDAT-19687	45	35				110794	Lehigh, Monarch District, Chaffee Co., Colorado, USA	NAVDAT	NAVDAT
NAVDAT-19700	34	24				114021	Paradise Pass Occurrence, Gunnison Co., Colorado, USA	NAVDAT	NAVDAT
NAVDAT-19701	34	24				114021	Paradise Pass Occurrence, Gunnison Co., Colorado, USA	NAVDAT	NAVDAT
NAVDAT-19705	29	19				114074	Silver Spruce Mine, Elk Mountain District, Gunnison Co., Colorado, USA	NAVDAT	NAVDAT
NAVDAT-19711	1805	1795				120285	King Soloman, Summit Co., Colorado, USA	NAVDAT	NAVDAT
NAVDAT-19712	1805	1795				120285	King Soloman, Summit Co., Colorado, USA	NAVDAT	NAVDAT
NAVDAT-19713	1805	1795				120439	Unknown Mine (MRDS - 10167370), Summit Co., Colorado, USA	NAVDAT	NAVDAT
NAVDAT-19714	1805	1795				120439	Unknown Mine (MRDS - 10167370), Summit Co., Colorado, USA	NAVDAT	NAVDAT
NAVDAT-2631	67.4	65.2				110453	Snowy Range Mine, Lake Albion, Boulder Co., Colorado, USA	NAVDAT	NAVDAT
NAVDAT-2632	67.4	65.2				110453	Snowy Range Mine, Lake Albion, Boulder Co., Colorado, USA	NAVDAT	NAVDAT
NAVDAT-2633	67.4	65.2				110453	Snowy Range Mine, Lake Albion, Boulder Co., Colorado, USA	NAVDAT	NAVDAT
NAVDAT-2634	67.4	65.2				110453	Snowy Range Mine, Lake Albion, Boulder Co., Colorado, USA	NAVDAT	NAVDAT
NAVDAT-2635	67.4	65.2				110453	Snowy Range Mine, Lake Albion, Boulder Co., Colorado, USA	NAVDAT	NAVDAT
NAVDAT-2694	70.7	57.9				110453	Snowy Range Mine, Lake Albion, Boulder Co., Colorado, USA	NAVDAT	NAVDAT
NAVDAT-30117	26.3	26.22				282543	Wagon Wheel Gap, Mineral Co., Colorado, USA	NAVDAT	NAVDAT
NAVDAT-30118	26.3	26.22				282543	Wagon Wheel Gap, Mineral Co., Colorado, USA	NAVDAT	NAVDAT
NAVDAT-30119	26.3	26.22				282543	Wagon Wheel Gap, Mineral Co., Colorado, USA	NAVDAT	NAVDAT
NAVDAT-31452	10	7.5				113785	Brush Creek Group, Elk Mountain District, Gunnison Co., Colorado, USA	NAVDAT	NAVDAT
NAVDAT-31453	10	7.5				113785	Brush Creek Group, Elk Mountain District, Gunnison Co., Colorado, USA	NAVDAT	NAVDAT
NAVDAT-31454	10	7.5				113785	Brush Creek Group, Elk Mountain District, Gunnison Co., Colorado, USA	NAVDAT	NAVDAT
NAVDAT-32600	69.3	56.7				110572	Unknown Silver Occurrence (MRDS - 10017330), Caribou District, Boulder Co., Colorado, USA	NAVDAT	NAVDAT
NAVDAT-32602	69.3	56.7				110569	Unknown Silver - Gold Occurrence (MRDS - 10091285), Nederland District, Boulder Co., Colorado, USA	NAVDAT	NAVDAT
NAVDAT-32607	69.3	56.7				110572	Unknown Silver Occurrence (MRDS - 10017330), Caribou District, Boulder Co., Colorado, USA	NAVDAT	NAVDAT
NAVDAT-32608	69.3	56.7				110572	Unknown Silver Occurrence (MRDS - 10017330), Caribou District, Boulder Co., Colorado, USA	NAVDAT	NAVDAT
NAVDAT-32622	69.3	56.7				110569	Unknown Silver - Gold Occurrence (MRDS - 10091285), Nederland District, Boulder Co., Colorado, USA	NAVDAT	NAVDAT
NAVDAT-32623	69.3	56.7				278552	Grand Island, Caribou District, Boulder Co., Colorado, USA	NAVDAT	NAVDAT
NAVDAT-32624	69.3	56.7				278552	Grand Island, Caribou District, Boulder Co., Colorado, USA	NAVDAT	NAVDAT
NAVDAT-32630	68	58				110601	Virginia Shaft, Nederland District, Boulder Co., Colorado, USA	NAVDAT	NAVDAT
NAVDAT-32648	69.3	56.7				110572	Unknown Silver Occurrence (MRDS - 10017330), Caribou District, Boulder Co., Colorado, USA	NAVDAT	NAVDAT
NAVDAT-32649	69.3	56.7				110572	Unknown Silver Occurrence (MRDS - 10017330), Caribou District, Boulder Co., Colorado, USA	NAVDAT	NAVDAT
NAVDAT-32650	68	58				110167	Jasper Tunnel Occurrence, Nederland District, Boulder Co., Colorado, USA	NAVDAT	NAVDAT
NAVDAT-32680	68	58				113553	Rooks County Occurrence, Apex District, Gilpin Co., Colorado, USA	NAVDAT	NAVDAT
NAVDAT-32692	67.8	50.2				110572	Unknown Silver Occurrence (MRDS - 10017330), Caribou District, Boulder Co., Colorado, USA	NAVDAT	NAVDAT
NAVDAT-32694	67.8	50.2				110569	Unknown Silver - Gold Occurrence (MRDS - 10091285), Nederland District, Boulder Co., Colorado, USA	NAVDAT	NAVDAT
NAVDAT-32698	67.8	50.2				110167	Jasper Tunnel Occurrence, Nederland District, Boulder Co., Colorado, USA	NAVDAT	NAVDAT
NAVDAT-32701	69.3	56.7				110569	Unknown Silver - Gold Occurrence (MRDS - 10091285), Nederland District, Boulder Co., Colorado, USA	NAVDAT	NAVDAT
NAVDAT-32702	69.3	56.7				110569	Unknown Silver - Gold Occurrence (MRDS - 10091285), Nederland District, Boulder Co., Colorado, USA	NAVDAT	NAVDAT
NAVDAT-32719	61	57				110316	New Rival - Black Rose, Ward District, Boulder Co., Colorado, USA	NAVDAT	NAVDAT
NAVDAT-32731	63	45				109822	Albion (Comanche; Maine; Washington; Penobscot; Monarch Occurrence), Lake Albion, Boulder Co., Colorado, USA	NAVDAT	NAVDAT
NAVDAT-32734	74.8	61.2				109822	Albion (Comanche; Maine; Washington; Penobscot; Monarch Occurrence), Lake Albion, Boulder Co., Colorado, USA	NAVDAT	NAVDAT
NAVDAT-32740	59	49				110618	White Rock, Gold Hill District, Boulder Co., Colorado, USA	NAVDAT	NAVDAT
NAVDAT-32752	60	50				110540	Unknown Gold Occurrence (MRDS - 10017618), Gold Hill District, Boulder Co., Colorado, USA	NAVDAT	NAVDAT
NAVDAT-32755	68	58				113456	Jess Lode, Apex District, Gilpin Co., Colorado, USA	NAVDAT	NAVDAT
NAVDAT-32758	68	58				113456	Jess Lode, Apex District, Gilpin Co., Colorado, USA	NAVDAT	NAVDAT
NAVDAT-32764	73.7	60.3				113553	Rooks County Occurrence, Apex District, Gilpin Co., Colorado, USA	NAVDAT	NAVDAT
NAVDAT-32771	68	58				113487	Manchester, Nederland District, Gilpin Co., Colorado, USA	NAVDAT	NAVDAT
NAVDAT-32776	68	58				113575	Star, Boulder Co. Tungsten District, Gilpin Co., Colorado, USA	NAVDAT	NAVDAT
NAVDAT-32780	68	58				110569	Unknown Silver - Gold Occurrence (MRDS - 10091285), Nederland District, Boulder Co., Colorado, USA	NAVDAT	NAVDAT
NAVDAT-32790	68	58				113553	Rooks County Occurrence, Apex District, Gilpin Co., Colorado, USA	NAVDAT	NAVDAT
NAVDAT-33452	75	66				158769	Windy Gap, Grand Co., Colorado, USA	NAVDAT	NAVDAT
NAVDAT-33453	75	66				158769	Windy Gap, Grand Co., Colorado, USA	NAVDAT	NAVDAT
NAVDAT-33454	75	66				158769	Windy Gap, Grand Co., Colorado, USA	NAVDAT	NAVDAT
NAVDAT-33455	75	66				158769	Windy Gap, Grand Co., Colorado, USA	NAVDAT	NAVDAT
NAVDAT-33456	75	66				158769	Windy Gap, Grand Co., Colorado, USA	NAVDAT	NAVDAT
NAVDAT-33457	75	66				158769	Windy Gap, Grand Co., Colorado, USA	NAVDAT	NAVDAT
NAVDAT-33458	75	66				158769	Windy Gap, Grand Co., Colorado, USA	NAVDAT	NAVDAT
NAVDAT-33459	71.4	61.4				158769	Windy Gap, Grand Co., Colorado, USA	NAVDAT	NAVDAT
NAVDAT-35547	35	25				134249	Bald Mountain, Chaffee Co., Colorado, USA	NAVDAT	NAVDAT
NAVDAT-35548	40	30				117937	Unknown Gold Occurrence (MRDS - 10018101), Park Co., Colorado, USA	NAVDAT	NAVDAT
NAVDAT-35549	39	29				134325	Buffalo Peaks, Chaffee Co., Colorado, USA	NAVDAT	NAVDAT
NAVDAT-35557	34	25				117931	Unknown Gold Occurrence (MRDS - 10016037), Park Co., Colorado, USA	NAVDAT	NAVDAT
NAVDAT-35558	41	31				214497	Little Orphan Annie Mine, Monarch District, Chaffee Co., Colorado, USA	NAVDAT	NAVDAT
NAVDAT-35559	40	30				117728	Famous Lode Mica Prospect (Famous Lodge Pegmatites; Little Joe From Kokomo Claim Adjoining), Micanite District, Park Co., Colorado, USA	NAVDAT	NAVDAT
NAVDAT-35586	15	5				133337	South Park Basalt (2), South Park, Park Co., Colorado, USA	NAVDAT	NAVDAT
NAVDAT-35587	15	5				133337	South Park Basalt (2), South Park, Park Co., Colorado, USA	NAVDAT	NAVDAT
NAVDAT-35590	40	30				112169	Green Mountain Deposit, Silver Cliff District, Custer Co., Colorado, USA	NAVDAT	NAVDAT
NAVDAT-35593	32.8	22.8				113142	Triangle V (Trinagle V), Fremont Co., Colorado, USA	NAVDAT	NAVDAT
NAVDAT-35612	35	25				112283	Strip Mine (MRDS - 10107946), Wet Mountains Area, Custer Co., Colorado, USA	NAVDAT	NAVDAT
NAVDAT-35627	15	5				110817	Marvel Occurrence, Cleora District, Chaffee Co., Colorado, USA	NAVDAT	NAVDAT
NAVDAT-35628	40	30				115392	Unknown Gold Occurrence (MRDS - 10016299), Twin Lakes District, Lake Co., Colorado, USA	NAVDAT	NAVDAT
NAVDAT-35635	40	30				117884	Rose Dawn Mine (Rose Dawn Mica Mine; North Mine), Micanite District, Park Co., Colorado, USA	NAVDAT	NAVDAT
NAVDAT-35649	39	29				113025	Knob Hill Mine (Knob Hill Ore Body; Knob Hill Os; Dipper Mine; Nob Hill Mine), Tallahassee Creek District, Fremont Co., Colorado, USA	NAVDAT	NAVDAT
NAVDAT-35653	77	67				5572	Calumet Mine (Calumet; Calumet No. 2; Hecla; Hecla No. 2; Calumet Iron Mine; Calumet-Hecla-Smithville Magnetite Deposit; Patented Placer Claims: Calumet; Hecla-Williamson; Smithville No. 2; CF&I Company Mine), Turret District, Chaffee Co., Colorado, USA	NAVDAT	NAVDAT
NAVDAT-35680	41.7	31.7				110791	Last Chance Mine (Lower Adit; Kramer Mine; Adit No. 1; Adit No. 2), Browns Canyon District, Chaffee Co., Colorado, USA	NAVDAT	NAVDAT
NAVDAT-35681	42	32				110791	Last Chance Mine (Lower Adit; Kramer Mine; Adit No. 1; Adit No. 2), Browns Canyon District, Chaffee Co., Colorado, USA	NAVDAT	NAVDAT
NAVDAT-36553	40	26				159276	Tomichi Dome, Tomichi District, Gunnison Co., Colorado, USA	NAVDAT	NAVDAT
NAVDAT-36554	40	26				3597	Mt Antero, Chaffee Co., Colorado, USA	NAVDAT	NAVDAT
NAVDAT-36801	37.5	36.3				118171	Two Buttes Vanadium Occurrence, Prowers Co., Colorado, USA	NAVDAT	NAVDAT
NAVDAT-36802	37.2	36				118171	Two Buttes Vanadium Occurrence, Prowers Co., Colorado, USA	NAVDAT	NAVDAT
NAVDAT-36803	37.2	36.4				118171	Two Buttes Vanadium Occurrence, Prowers Co., Colorado, USA	NAVDAT	NAVDAT
NAVDAT-36806	37.2	36.4				118171	Two Buttes Vanadium Occurrence, Prowers Co., Colorado, USA	NAVDAT	NAVDAT
NAVDAT-36807	37.2	36.4				118171	Two Buttes Vanadium Occurrence, Prowers Co., Colorado, USA	NAVDAT	NAVDAT
NAVDAT-3774	27.5	26.5	Sanidine			115510	Iron Mountain, Larimer Co., Colorado, USA	NAVDAT	NAVDAT
NAVDAT-3782	28.5	27				113699	Unknown Pumice (MRDS - 10190909), Grand Co., Colorado, USA	NAVDAT	NAVDAT
NAVDAT-3783	28.5	27				113699	Unknown Pumice (MRDS - 10190909), Grand Co., Colorado, USA	NAVDAT	NAVDAT
NAVDAT-3784	28.5	27				113699	Unknown Pumice (MRDS - 10190909), Grand Co., Colorado, USA	NAVDAT	NAVDAT
NAVDAT-3785	28.5	27				113699	Unknown Pumice (MRDS - 10190909), Grand Co., Colorado, USA	NAVDAT	NAVDAT
NAVDAT-3786	28.5	27				113699	Unknown Pumice (MRDS - 10190909), Grand Co., Colorado, USA	NAVDAT	NAVDAT
NAVDAT-3787	28.5	27				113699	Unknown Pumice (MRDS - 10190909), Grand Co., Colorado, USA	NAVDAT	NAVDAT
NAVDAT-44106	22.45	22.19	Sanidine			159342	Stonewall, Las Animas Co., Colorado, USA	NAVDAT	NAVDAT
NAVDAT-44108	21.95	21.89				115637	Gravel Pit (MRDS - 10142781), Las Animas Co., Colorado, USA	NAVDAT	NAVDAT
NAVDAT-44118	20.95	20.89				159342	Stonewall, Las Animas Co., Colorado, USA	NAVDAT	NAVDAT
NAVDAT-4466	35.6	23.8				118496	Del Norte Bog Iron Deposits (Del Norte Limonite), Summer Coon Area, Saguache Co., Colorado, USA	NAVDAT	NAVDAT
NAVDAT-4496	28.6	28.4				116095	Gormax Mine (Gormax Mine No. 1; Gormax Tunnel), Creede District, Mineral Co., Colorado, USA	NAVDAT	NAVDAT
NAVDAT-45691	26.3	26.22				282543	Wagon Wheel Gap, Mineral Co., Colorado, USA	NAVDAT	NAVDAT
NAVDAT-45749	26.9	26.1				116089	Equity Mine, Creede District, Mineral Co., Colorado, USA	NAVDAT	NAVDAT
NAVDAT-45750	26.9	26.1				116089	Equity Mine, Creede District, Mineral Co., Colorado, USA	NAVDAT	NAVDAT
NAVDAT-45769	26.9	26.1				114513	Unknown Lead Occurrence (MRDS - 10264218), Hinsdale Co., Colorado, USA	NAVDAT	NAVDAT
NAVDAT-45770	26.9	26.1				114513	Unknown Lead Occurrence (MRDS - 10264218), Hinsdale Co., Colorado, USA	NAVDAT	NAVDAT
NAVDAT-45771	26.9	26.1				114513	Unknown Lead Occurrence (MRDS - 10264218), Hinsdale Co., Colorado, USA	NAVDAT	NAVDAT
NAVDAT-45772	26.9	26.1				114513	Unknown Lead Occurrence (MRDS - 10264218), Hinsdale Co., Colorado, USA	NAVDAT	NAVDAT
NAVDAT-45778	26.9	26.1				114513	Unknown Lead Occurrence (MRDS - 10264218), Hinsdale Co., Colorado, USA	NAVDAT	NAVDAT
NAVDAT-45779	26.9	26.1				118803	Unnamed Silver - Gold Prospects (MRDS - 10013058), Bondholder District, Saguache Co., Colorado, USA	NAVDAT	NAVDAT
NAVDAT-45812	27.5	26				118770	Unnamed Gold - Silver - Lead Prospect (MRDS - 10013057), Bondholder District, Saguache Co., Colorado, USA	NAVDAT	NAVDAT
NAVDAT-45858	27.1	26				116159	Unnamed Gold Occurrence (MRDS - 10014053), Wheeler Geologic Area, Mineral Co., Colorado, USA	NAVDAT	NAVDAT
NAVDAT-45935	27.1	26.9				116131	Piedra Peak - Red Mountain Alunite Deposits (Colorado Tunnel), Piedra Peak-South River Peak-Red Mountain Area, Mineral Co., Colorado, USA	NAVDAT	NAVDAT
NAVDAT-45936	27.1	26.9				116131	Piedra Peak - Red Mountain Alunite Deposits (Colorado Tunnel), Piedra Peak-South River Peak-Red Mountain Area, Mineral Co., Colorado, USA	NAVDAT	NAVDAT
NAVDAT-45937	27.1	26.9				116131	Piedra Peak - Red Mountain Alunite Deposits (Colorado Tunnel), Piedra Peak-South River Peak-Red Mountain Area, Mineral Co., Colorado, USA	NAVDAT	NAVDAT
NAVDAT-45945	27.1	26.9				116131	Piedra Peak - Red Mountain Alunite Deposits (Colorado Tunnel), Piedra Peak-South River Peak-Red Mountain Area, Mineral Co., Colorado, USA	NAVDAT	NAVDAT
NAVDAT-45946	27.1	26.9				116131	Piedra Peak - Red Mountain Alunite Deposits (Colorado Tunnel), Piedra Peak-South River Peak-Red Mountain Area, Mineral Co., Colorado, USA	NAVDAT	NAVDAT
NAVDAT-45979	27.2	27				116068	Captive Inca Mine, Creede District, Mineral Co., Colorado, USA	NAVDAT	NAVDAT
NAVDAT-46125	36	30				133855	Unnamed Prospect, Cochetopa District (Cochetopa Creek District), Saguache Co., Colorado, USA	NAVDAT	NAVDAT
NAVDAT-46178	33	29.5				134139	Razor Creek Dome, Saguache Co., Colorado, USA	NAVDAT	NAVDAT
NAVDAT-46179	33	29.5				134139	Razor Creek Dome, Saguache Co., Colorado, USA	NAVDAT	NAVDAT
NAVDAT-46180	33	29.5				118636	Smith Mercury Mine, Saguache Co., Colorado, USA	NAVDAT	NAVDAT
NAVDAT-46185	36.78	36.6	Sanidine			118553	La Rue Claims (La Rue No. 2; La Rue No. 22), Cochetopa District (Cochetopa Creek District), Saguache Co., Colorado, USA	NAVDAT	NAVDAT
NAVDAT-51497	28.05	27.99	Sanidine			113699	Unknown Pumice (MRDS - 10190909), Grand Co., Colorado, USA	NAVDAT	NAVDAT
NAVDAT-66795	80	60				116365	McElmo Creek Area (McElmo Field; Ute Mountains Area), McElmo Creek (Ute Mountains) Area, Montezuma Co., Colorado, USA	NAVDAT	NAVDAT
NAVDAT-66796	80	60				116365	McElmo Creek Area (McElmo Field; Ute Mountains Area), McElmo Creek (Ute Mountains) Area, Montezuma Co., Colorado, USA	NAVDAT	NAVDAT
NAVDAT-67112	33.7	23.8				115287	Mountain Boy, Lincoln District (Lincoln Gulch District; Ruby District), Lake Co., Colorado, USA	NAVDAT	NAVDAT
NAVDAT-67113	33.7	23.8				115287	Mountain Boy, Lincoln District (Lincoln Gulch District; Ruby District), Lake Co., Colorado, USA	NAVDAT	NAVDAT
NAVDAT-67118	33.7	23.8				118064	Independence Mine (Gatton; MS 1422; Claims: Independence; MS 1421; Mammoth; MS 1424; Dolly Varden; MS 1423), Lincoln District (Lincoln Gulch District; Ruby District), Pitkin Co., Colorado, USA	NAVDAT	NAVDAT
NAVDAT-67124	33.7	23.8				158688	Grizzly Gulch, Lincoln District (Lincoln Gulch District; Ruby District), Pitkin Co., Colorado, USA	NAVDAT	NAVDAT
NAVDAT-67127	33.7	23.8				158688	Grizzly Gulch, Lincoln District (Lincoln Gulch District; Ruby District), Pitkin Co., Colorado, USA	NAVDAT	NAVDAT
NAVDAT-67128	33.7	23.8				158688	Grizzly Gulch, Lincoln District (Lincoln Gulch District; Ruby District), Pitkin Co., Colorado, USA	NAVDAT	NAVDAT
NAVDAT-67156	33.7	23.8				118064	Independence Mine (Gatton; MS 1422; Claims: Independence; MS 1421; Mammoth; MS 1424; Dolly Varden; MS 1423), Lincoln District (Lincoln Gulch District; Ruby District), Pitkin Co., Colorado, USA	NAVDAT	NAVDAT
NAVDAT-67157	33.7	23.8				118064	Independence Mine (Gatton; MS 1422; Claims: Independence; MS 1421; Mammoth; MS 1424; Dolly Varden; MS 1423), Lincoln District (Lincoln Gulch District; Ruby District), Pitkin Co., Colorado, USA	NAVDAT	NAVDAT
NAVDAT-67158	33.7	23.8				118064	Independence Mine (Gatton; MS 1422; Claims: Independence; MS 1421; Mammoth; MS 1424; Dolly Varden; MS 1423), Lincoln District (Lincoln Gulch District; Ruby District), Pitkin Co., Colorado, USA	NAVDAT	NAVDAT
NAVDAT-67159	33.7	23.8				118064	Independence Mine (Gatton; MS 1422; Claims: Independence; MS 1421; Mammoth; MS 1424; Dolly Varden; MS 1423), Lincoln District (Lincoln Gulch District; Ruby District), Pitkin Co., Colorado, USA	NAVDAT	NAVDAT
NAVDAT-67160	36.3	29.7				118064	Independence Mine (Gatton; MS 1422; Claims: Independence; MS 1421; Mammoth; MS 1424; Dolly Varden; MS 1423), Lincoln District (Lincoln Gulch District; Ruby District), Pitkin Co., Colorado, USA	NAVDAT	NAVDAT
NAVDAT-67171	34.4	32.3				115123	Cerlew Placer, Hope, Lake Co., Colorado, USA	NAVDAT	NAVDAT
NAVDAT-67173	36.3	29.7				122702	Mount Princeton, Chaffee Co., Colorado, USA	NAVDAT	NAVDAT
NAVDAT-67174	36.3	29.7				122702	Mount Princeton, Chaffee Co., Colorado, USA	NAVDAT	NAVDAT
NAVDAT-67175	36.3	29.7				122702	Mount Princeton, Chaffee Co., Colorado, USA	NAVDAT	NAVDAT
NAVDAT-67176	36.3	29.7				113028	Lantz Stone Quarry, Fremont Co., Colorado, USA	NAVDAT	NAVDAT
NAVDAT-67177	36.3	29.7				113028	Lantz Stone Quarry, Fremont Co., Colorado, USA	NAVDAT	NAVDAT
NAVDAT-67181	36.3	29.7				113028	Lantz Stone Quarry, Fremont Co., Colorado, USA	NAVDAT	NAVDAT
PorphCu-00139	70	65		Arsenopyrite, Bornite, Calcite, Chalcocite, Chalcopyrite, Enargite, Fluorite, Galena, Hematite, Kaolinite, Magnetite, Marcasite, Pyrite, Sphalerite, Domeykite	Cu	114858	Allard Tunnel Occurrence (Audrey Nos. 1-2; Protection; Ruby Nos. 1-95; Shorty Nos. 1-4; Jane Nos. 1-4; Minnie), La Plata District (California District), La Plata Co., Colorado, USA	Singer et al. (2008)	USGSOFR2008_1155
ree-00657	551	551				112157	Gem Park Complex Prospect (Wet Mountains), Wet Mountains Area, Custer Co., Colorado, USA	Orris and Grauch (2002)	USGSOFR02_189
ree-00659	570	570				113911	Iron Hill Area (Big Iron Hill; Du Pont Adit), White Earth District (Powderhorn District), Gunnison Co., Colorado, USA	Orris and Grauch (2002)	USGSOFR02_189
ree-00665	541	495				114567	Wet Mountains Prospect, Huerfano Co., Colorado, USA	Orris and Grauch (2002)	USGSOFR02_189
ree-00688	1010	1010				66693	South Platte Pegmatite District, Jefferson Co., Colorado, USA	Orris and Grauch (2002)	USGSOFR02_189
sedcu-00683	100	100			Cu	116583	Copper King Mine, Uravan District, Montrose Co., Colorado, USA	Cox et al. (2003)	USGSOFR03_107
sedcu-00685	220	220			Cu	22531	Cashin Mine (Red Chief Claim; Titon Claim; Angell Claim; Horse Shoe Claim; Bennie Claim; Maud Claim; Humboldt Claim), La Sal District (Paradox Valley District), Montrose Co., Colorado, USA	Cox et al. (2003)	USGSOFR03_107
sedexmvt-00230	2500	1600				133832	Cummins City, North Park, Jackson Co., Colorado, USA	Taylor et al. (2009)	USGSOFR2009_1297
sedexmvt-00235	290	254				5991	Sherman Mine (Sherman Tunnel; Leadville Corporation Mine; Day Mines; Hilltop Mine), Upper Iowa Gulch, Leadville District, Lake Co., Colorado, USA	Taylor et al. (2009)	USGSOFR2009_1297
sedznpb-00444	52	52				30152	Aspen District (Roaring Fork District), Pitkin Co., Colorado, USA	Singer et al. (2009)	USGSOFR2009-1252
sedznpb-00463	37.8	33.8				3616	Gilman District (Battle Mountain District; Red Cliff District), Eagle Co., Colorado, USA	Singer et al. (2009)	USGSOFR2009-1252
sedznpb-00472	41.3	37.9				3652	Leadville, Leadville District, Lake Co., Colorado, USA	Singer et al. (2009)	USGSOFR2009-1252
sedznpb-00486	100	33.9				116370	Rico District (Pioneer District), Montezuma Co., Colorado, USA	Singer et al. (2009)	USGSOFR2009-1252
sedznpb-00489	45.1	39.9				5991	Sherman Mine (Sherman Tunnel; Leadville Corporation Mine; Day Mines; Hilltop Mine), Upper Iowa Gulch, Leadville District, Lake Co., Colorado, USA	Singer et al. (2009)	USGSOFR2009-1252
sedznpb-00495	66	2.6				50133	Kokomo-Tenmile Area, Summit Co., Colorado, USA	Singer et al. (2009)	USGSOFR2009-1252
USGS-Rb-Sr-00213	1107.21	1007.21				3668	Pikes Peak, El Paso Co., Colorado, USA	USGS-Rb-Sr	USGS-Rb-Sr
USGS-Rb-Sr-01297	1488.77	1408.77				65675	Nancy Hanks Mine (Nancy Hanks Claim), Nancy Hanks Gulch, Unaweep Canyon, Unaweep District, Mesa Co., Colorado, USA	USGS-Rb-Sr	USGS-Rb-Sr
USGS-Rb-Sr-03999	1371.3	1291.3	Microcline			113937	Last Chance Mine (Unpatented Claim: Peifer; Peifer Quarry), Curecanti Needle Area, Gunnison Co., Colorado, USA	USGS-Rb-Sr	USGS-Rb-Sr
USGS-Rb-Sr-04009	1734.13	1594.13				113764	Black Canyon Beryl Prospect, Curecanti Needle Area, Gunnison Co., Colorado, USA	USGS-Rb-Sr	USGS-Rb-Sr
USGS-Rb-Sr-04012	1734.13	1594.13				113764	Black Canyon Beryl Prospect, Curecanti Needle Area, Gunnison Co., Colorado, USA	USGS-Rb-Sr	USGS-Rb-Sr
USGS-Rb-Sr-04013	1734.13	1594.13				113764	Black Canyon Beryl Prospect, Curecanti Needle Area, Gunnison Co., Colorado, USA	USGS-Rb-Sr	USGS-Rb-Sr
USGS-Rb-Sr-04041	54	54				110360	Phillips (Meadow Lark; Lee S.; Sur No. 209; Storm Occurrence), Sugarloaf District, Boulder Co., Colorado, USA	USGS-Rb-Sr	USGS-Rb-Sr
USGS-Rb-Sr-04116	1440.04	1340.04				115500	H E & M No. 9 Occurrence, Crystal Mountain Pegmatite District (Storm Mountain District), Larimer Co., Colorado, USA	USGS-Rb-Sr	USGS-Rb-Sr
USGS-Rb-Sr-04119	1704.13	1624.13				115455	Ball Scheelite Mine, Horsetooth Mountain Area, Larimer Co., Colorado, USA	USGS-Rb-Sr	USGS-Rb-Sr
USGS-Rb-Sr-04130	1704.13	1624.13				110054	G. W. Horton Mill Site Occurrence (Church Placer; Clear Water Placer; Ravens View; Horseshoe Placer; Hubbard Placer), Sugarloaf District, Boulder Co., Colorado, USA	USGS-Rb-Sr	USGS-Rb-Sr
USGS-Rb-Sr-04137	1410.67	1310.67				115536	Mint Quarry, Masonville District, Larimer Co., Colorado, USA	USGS-Rb-Sr	USGS-Rb-Sr
USGS-Rb-Sr-04144	1410.25	1350.25				115482	Davis Nickel Prospect, Larimer Co., Colorado, USA	USGS-Rb-Sr	USGS-Rb-Sr
USGS-Rb-Sr-04162	1449.41	1389.41				110284	Mona No. 9 Claim, Crystal Mountain, Boulder Co., Colorado, USA	USGS-Rb-Sr	USGS-Rb-Sr
USGS-Rb-Sr-04170	1439.41	1399.41				134587	Highway 34 Roadcut, Estes Park, Larimer Co., Colorado, USA	USGS-Rb-Sr	USGS-Rb-Sr
USGS-Rb-Sr-04180	1312.15	1272.15				115491	Giant Crystal Mine, Crystal Mountain Pegmatite District (Storm Mountain District), Larimer Co., Colorado, USA	USGS-Rb-Sr	USGS-Rb-Sr
USGS-Rb-Sr-04181	1312.15	1272.15				115491	Giant Crystal Mine, Crystal Mountain Pegmatite District (Storm Mountain District), Larimer Co., Colorado, USA	USGS-Rb-Sr	USGS-Rb-Sr
USGS-Rb-Sr-04182	1386.46	1346.46	Muscovite			115491	Giant Crystal Mine, Crystal Mountain Pegmatite District (Storm Mountain District), Larimer Co., Colorado, USA	USGS-Rb-Sr	USGS-Rb-Sr
USGS-Rb-Sr-04183	1386.46	1346.46	Microcline			115491	Giant Crystal Mine, Crystal Mountain Pegmatite District (Storm Mountain District), Larimer Co., Colorado, USA	USGS-Rb-Sr	USGS-Rb-Sr
USGS-Rb-Sr-04184	1386.46	1346.46				115491	Giant Crystal Mine, Crystal Mountain Pegmatite District (Storm Mountain District), Larimer Co., Colorado, USA	USGS-Rb-Sr	USGS-Rb-Sr
USGS-Rb-Sr-04185	1380.67	1340.67				115491	Giant Crystal Mine, Crystal Mountain Pegmatite District (Storm Mountain District), Larimer Co., Colorado, USA	USGS-Rb-Sr	USGS-Rb-Sr
USGS-Rb-Sr-04186	1380.67	1340.67	Microcline			115491	Giant Crystal Mine, Crystal Mountain Pegmatite District (Storm Mountain District), Larimer Co., Colorado, USA	USGS-Rb-Sr	USGS-Rb-Sr
USGS-Rb-Sr-04187	1458.93	1418.93	Muscovite			115491	Giant Crystal Mine, Crystal Mountain Pegmatite District (Storm Mountain District), Larimer Co., Colorado, USA	USGS-Rb-Sr	USGS-Rb-Sr
USGS-Rb-Sr-04188	1458.93	1418.93				115491	Giant Crystal Mine, Crystal Mountain Pegmatite District (Storm Mountain District), Larimer Co., Colorado, USA	USGS-Rb-Sr	USGS-Rb-Sr
USGS-Rb-Sr-04308	1743.92	1603.92				6280	Roscoe Beryl Mine (Roscoe Pegmatite), Clear Creek Pegmatite Province, Jefferson Co., Colorado, USA	USGS-Rb-Sr	USGS-Rb-Sr
USGS-Rb-Sr-04311	1743.92	1603.92				112638	Saddle Rock Ranch, Kassler Area, Douglas Co., Colorado, USA	USGS-Rb-Sr	USGS-Rb-Sr
USGS-Rb-Sr-04312	1743.92	1603.92				112638	Saddle Rock Ranch, Kassler Area, Douglas Co., Colorado, USA	USGS-Rb-Sr	USGS-Rb-Sr
USGS-Rb-Sr-04313	1743.92	1603.92				112638	Saddle Rock Ranch, Kassler Area, Douglas Co., Colorado, USA	USGS-Rb-Sr	USGS-Rb-Sr
USGS-Rb-Sr-04321	1802.86	1642.86	Microcline			115540	Mt. Olympus Mine (Mt. Olympus No. 2), Poudre Park Area, Larimer Co., Colorado, USA	USGS-Rb-Sr	USGS-Rb-Sr
USGS-Rb-Sr-04322	1802.86	1642.86				115540	Mt. Olympus Mine (Mt. Olympus No. 2), Poudre Park Area, Larimer Co., Colorado, USA	USGS-Rb-Sr	USGS-Rb-Sr
USGS-Rb-Sr-05809	1905	1645				110601	Virginia Shaft, Nederland District, Boulder Co., Colorado, USA	USGS-Rb-Sr	USGS-Rb-Sr
USGS-Rb-Sr-05810	1881.16	1704.4				110601	Virginia Shaft, Nederland District, Boulder Co., Colorado, USA	USGS-Rb-Sr	USGS-Rb-Sr
USGS-Rb-Sr-05812	1905	1645				110601	Virginia Shaft, Nederland District, Boulder Co., Colorado, USA	USGS-Rb-Sr	USGS-Rb-Sr
USGS-Rb-Sr-05813	1881.16	1704.4				110601	Virginia Shaft, Nederland District, Boulder Co., Colorado, USA	USGS-Rb-Sr	USGS-Rb-Sr
USGS-Rb-Sr-05814	1514.98	1460.54				110601	Virginia Shaft, Nederland District, Boulder Co., Colorado, USA	USGS-Rb-Sr	USGS-Rb-Sr
USGS-Rb-Sr-05815	1514.98	1460.54				110601	Virginia Shaft, Nederland District, Boulder Co., Colorado, USA	USGS-Rb-Sr	USGS-Rb-Sr
USGS-Rb-Sr-05816	1514.98	1460.54				110601	Virginia Shaft, Nederland District, Boulder Co., Colorado, USA	USGS-Rb-Sr	USGS-Rb-Sr
USGS-Rb-Sr-05817	1514.98	1460.54				110601	Virginia Shaft, Nederland District, Boulder Co., Colorado, USA	USGS-Rb-Sr	USGS-Rb-Sr
USGS-Rb-Sr-05819	1514.98	1460.54				110601	Virginia Shaft, Nederland District, Boulder Co., Colorado, USA	USGS-Rb-Sr	USGS-Rb-Sr
USGS-Rb-Sr-07118	1730	1690				114624	Unknown Fluorine - Fluorite Occurrence (MRDS - 10288530), Northgate District, Jackson Co., Colorado, USA	USGS-Rb-Sr	USGS-Rb-Sr
USGS-U-Th-Pb-01615_206_238	1685.2	1685.2	Zircon			112293	Twenty Grand Claim, McKinley Mountain Area, Wet Mountains Area, Custer Co., Colorado, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-01615_207_206	1693	1693	Zircon			112293	Twenty Grand Claim, McKinley Mountain Area, Wet Mountains Area, Custer Co., Colorado, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-01615_207_235	1688.7	1688.7	Zircon			112293	Twenty Grand Claim, McKinley Mountain Area, Wet Mountains Area, Custer Co., Colorado, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-01616_206_238	1680.8	1680.8	Zircon			112293	Twenty Grand Claim, McKinley Mountain Area, Wet Mountains Area, Custer Co., Colorado, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-01616_207_206	1693.8	1693.8	Zircon			112293	Twenty Grand Claim, McKinley Mountain Area, Wet Mountains Area, Custer Co., Colorado, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-01616_207_235	1686.5	1686.5	Zircon			112293	Twenty Grand Claim, McKinley Mountain Area, Wet Mountains Area, Custer Co., Colorado, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-01617_206_238	1675.4	1675.4	Zircon			112293	Twenty Grand Claim, McKinley Mountain Area, Wet Mountains Area, Custer Co., Colorado, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-01617_207_206	1693	1693	Zircon			112293	Twenty Grand Claim, McKinley Mountain Area, Wet Mountains Area, Custer Co., Colorado, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-01617_207_235	1683.2	1683.2	Zircon			112293	Twenty Grand Claim, McKinley Mountain Area, Wet Mountains Area, Custer Co., Colorado, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-01618_206_238	1668.9	1668.9	Zircon			112293	Twenty Grand Claim, McKinley Mountain Area, Wet Mountains Area, Custer Co., Colorado, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-01618_207_206	1687.5	1687.5	Zircon			112293	Twenty Grand Claim, McKinley Mountain Area, Wet Mountains Area, Custer Co., Colorado, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-01618_207_235	1677.1	1677.1	Zircon			112293	Twenty Grand Claim, McKinley Mountain Area, Wet Mountains Area, Custer Co., Colorado, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-01619_206_238	1442.6	1442.6	Zircon			113115	Sheila I Prospect, Texas Creek Area, Fremont Co., Colorado, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-01619_207_206	1656.1	1656.1	Zircon			113115	Sheila I Prospect, Texas Creek Area, Fremont Co., Colorado, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-01619_207_235	1531.3	1531.3	Zircon			113115	Sheila I Prospect, Texas Creek Area, Fremont Co., Colorado, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-01620_206_238	1366.9	1366.9	Zircon			113115	Sheila I Prospect, Texas Creek Area, Fremont Co., Colorado, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-01620_207_206	1645.7	1645.7	Zircon			113115	Sheila I Prospect, Texas Creek Area, Fremont Co., Colorado, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-01620_207_235	1479.9	1479.9	Zircon			113115	Sheila I Prospect, Texas Creek Area, Fremont Co., Colorado, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-01621_206_238	1279.8	1279.8	Zircon			113115	Sheila I Prospect, Texas Creek Area, Fremont Co., Colorado, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-01621_207_206	1693.1	1693.1	Zircon			113115	Sheila I Prospect, Texas Creek Area, Fremont Co., Colorado, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-01621_207_235	1420.8	1420.8	Zircon			113115	Sheila I Prospect, Texas Creek Area, Fremont Co., Colorado, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-01622_206_238	1169.1	1169.1	Zircon			113115	Sheila I Prospect, Texas Creek Area, Fremont Co., Colorado, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-01622_207_206	1633.6	1633.6	Zircon			113115	Sheila I Prospect, Texas Creek Area, Fremont Co., Colorado, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-01622_207_235	1343.6	1343.6	Zircon			113115	Sheila I Prospect, Texas Creek Area, Fremont Co., Colorado, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-01623_206_238	1327.1	1327.1	Zircon			112960	Dirty Gulch Mine (Copper Prince Mine?), Red Gulch District, Fremont Co., Colorado, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-01623_207_206	1625.4	1625.4	Zircon			112960	Dirty Gulch Mine (Copper Prince Mine?), Red Gulch District, Fremont Co., Colorado, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-01623_207_235	1445.9	1445.9	Zircon			112960	Dirty Gulch Mine (Copper Prince Mine?), Red Gulch District, Fremont Co., Colorado, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-01624_206_238	1019.6	1019.6	Zircon			112960	Dirty Gulch Mine (Copper Prince Mine?), Red Gulch District, Fremont Co., Colorado, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-01624_207_206	1563.3	1563.3	Zircon			112960	Dirty Gulch Mine (Copper Prince Mine?), Red Gulch District, Fremont Co., Colorado, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-01624_207_235	1208.3	1208.3	Zircon			112960	Dirty Gulch Mine (Copper Prince Mine?), Red Gulch District, Fremont Co., Colorado, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-01625_206_238	811.9	811.9	Zircon			112960	Dirty Gulch Mine (Copper Prince Mine?), Red Gulch District, Fremont Co., Colorado, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-01625_207_206	1494.5	1494.5	Zircon			112960	Dirty Gulch Mine (Copper Prince Mine?), Red Gulch District, Fremont Co., Colorado, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-01625_207_235	1018.7	1018.7	Zircon			112960	Dirty Gulch Mine (Copper Prince Mine?), Red Gulch District, Fremont Co., Colorado, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-01626_206_238	578.4	578.4	Zircon			112960	Dirty Gulch Mine (Copper Prince Mine?), Red Gulch District, Fremont Co., Colorado, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-01626_207_206	1351.2	1351.2	Zircon			112960	Dirty Gulch Mine (Copper Prince Mine?), Red Gulch District, Fremont Co., Colorado, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-01626_207_235	763.2	763.2	Zircon			112960	Dirty Gulch Mine (Copper Prince Mine?), Red Gulch District, Fremont Co., Colorado, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-01650_206_238	1116.2	1116.2	Zircon			112903	Blue Jay (Blue Spar), Cottonwood Creek Area, Fremont Co., Colorado, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-01650_207_206	1425.8	1425.8	Zircon			112903	Blue Jay (Blue Spar), Cottonwood Creek Area, Fremont Co., Colorado, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-01650_207_235	1226.4	1226.4	Zircon			112903	Blue Jay (Blue Spar), Cottonwood Creek Area, Fremont Co., Colorado, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-01651_206_238	1039.7	1039.7	Zircon			112903	Blue Jay (Blue Spar), Cottonwood Creek Area, Fremont Co., Colorado, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-01651_207_206	1409.4	1409.4	Zircon			112903	Blue Jay (Blue Spar), Cottonwood Creek Area, Fremont Co., Colorado, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-01651_207_235	1166.1	1166.1	Zircon			112903	Blue Jay (Blue Spar), Cottonwood Creek Area, Fremont Co., Colorado, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-01652_206_238	1032.5	1032.5	Zircon			112903	Blue Jay (Blue Spar), Cottonwood Creek Area, Fremont Co., Colorado, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-01652_207_206	1407.8	1407.8	Zircon			112903	Blue Jay (Blue Spar), Cottonwood Creek Area, Fremont Co., Colorado, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-01652_207_235	1160.5	1160.5	Zircon			112903	Blue Jay (Blue Spar), Cottonwood Creek Area, Fremont Co., Colorado, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-01653_206_238	1031.5	1031.5	Zircon			112903	Blue Jay (Blue Spar), Cottonwood Creek Area, Fremont Co., Colorado, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-01653_207_206	1407.8	1407.8	Zircon			112903	Blue Jay (Blue Spar), Cottonwood Creek Area, Fremont Co., Colorado, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-01653_207_235	1159.8	1159.8	Zircon			112903	Blue Jay (Blue Spar), Cottonwood Creek Area, Fremont Co., Colorado, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-01654_206_238	970.5	970.5	Zircon			112903	Blue Jay (Blue Spar), Cottonwood Creek Area, Fremont Co., Colorado, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-01654_207_206	1394.1	1394.1	Zircon			112903	Blue Jay (Blue Spar), Cottonwood Creek Area, Fremont Co., Colorado, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-01654_207_235	1109.8	1109.8	Zircon			112903	Blue Jay (Blue Spar), Cottonwood Creek Area, Fremont Co., Colorado, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-01655_206_238	904.7	904.7	Zircon			112903	Blue Jay (Blue Spar), Cottonwood Creek Area, Fremont Co., Colorado, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-01655_207_206	1389.5	1389.5	Zircon			112903	Blue Jay (Blue Spar), Cottonwood Creek Area, Fremont Co., Colorado, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-01655_207_235	1058	1058	Zircon			112903	Blue Jay (Blue Spar), Cottonwood Creek Area, Fremont Co., Colorado, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-01760_206_238	1325.4	1275.4	Zircon			118025	Cunningham Tunnel Prospect, Pitkin Co., Colorado, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-01760_207_206	1419.6	1389.6	Zircon			118025	Cunningham Tunnel Prospect, Pitkin Co., Colorado, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-01760_207_235	1380.3	1300.3	Zircon			118025	Cunningham Tunnel Prospect, Pitkin Co., Colorado, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-01761_206_238	1355.2	1305.2	Zircon			118025	Cunningham Tunnel Prospect, Pitkin Co., Colorado, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-01761_207_206	1381.8	1351.8	Zircon			118025	Cunningham Tunnel Prospect, Pitkin Co., Colorado, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-01761_207_235	1384.3	1304.3	Zircon			118025	Cunningham Tunnel Prospect, Pitkin Co., Colorado, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-02102_206_238	1414	1414	Zircon			110604	Walker Ranch, Boulder County Tungsten District, Boulder Co., Colorado, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-02102_207_206	1653	1653	Zircon			110604	Walker Ranch, Boulder County Tungsten District, Boulder Co., Colorado, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-02102_207_235	1512	1512	Zircon			110604	Walker Ranch, Boulder County Tungsten District, Boulder Co., Colorado, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-02103_206_238	1353	1353	Zircon			110604	Walker Ranch, Boulder County Tungsten District, Boulder Co., Colorado, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-02103_207_206	1646	1646	Zircon			110604	Walker Ranch, Boulder County Tungsten District, Boulder Co., Colorado, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-02103_207_235	1471	1471	Zircon			110604	Walker Ranch, Boulder County Tungsten District, Boulder Co., Colorado, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-02104_206_238	1179	1179	Zircon			110604	Walker Ranch, Boulder County Tungsten District, Boulder Co., Colorado, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-02104_207_206	1629	1629	Zircon			110604	Walker Ranch, Boulder County Tungsten District, Boulder Co., Colorado, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-02104_207_235	1349	1349	Zircon			110604	Walker Ranch, Boulder County Tungsten District, Boulder Co., Colorado, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-02105_206_238	935	935	Zircon			110604	Walker Ranch, Boulder County Tungsten District, Boulder Co., Colorado, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-02105_207_206	1591	1591	Zircon			110604	Walker Ranch, Boulder County Tungsten District, Boulder Co., Colorado, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-02105_207_235	1154	1154	Zircon			110604	Walker Ranch, Boulder County Tungsten District, Boulder Co., Colorado, USA	USGS-U-Th-Pb	USGS-U-Th-Pb

Locality age (remote)

Excel ID	Max Age (Ma)	Min Age (Ma)	Dated Mineral	Minerals explicitely stated as having this age	Age applies to these Elements	Dated Locality ID	Dated Locality	Ref	Ref ID
Giersdorf_00000596	24	20	Uraninite	Uraninite	U	4142	Happy Jack Mine (Blue Dike Mine), White Canyon, White Canyon District, San Juan Co., Utah, USA	Miller et al. (1963)	GSAB74_609
Giersdorf_00000597	26	22	Uraninite	Uraninite	U	4142	Happy Jack Mine (Blue Dike Mine), White Canyon, White Canyon District, San Juan Co., Utah, USA	Miller et al. (1963)	GSAB74_609

Locality age (deprioritized)

Excel ID	Max Age (Ma)	Min Age (Ma)	Dated Mineral	Minerals explicitely stated as having this age	Dated Locality ID	Dated Locality	Ref	Ref ID
Giersdorf_00000610	500	500	Coffinite	Coffinite	115884	Matchless Mine, Calamity Mesa, Uravan District, Mesa Co., Colorado, USA	Miller et al. (1963)	GSAB74_609
Giersdorf_00000613	650	650	Coffinite	Coffinite, Uraninite	5934	La Sal No. 2 Mine, Beaver Mesa, Mesa Co., Colorado, USA	Miller et al. (1963)	GSAB74_609
Giersdorf_00000616	420	420	Coffinite	Coffinite, Uraninite	5934	La Sal No. 2 Mine, Beaver Mesa, Mesa Co., Colorado, USA	Miller et al. (1963)	GSAB74_609
Giersdorf_00000619	500	500	Coffinite	Coffinite, Uraninite	5934	La Sal No. 2 Mine, Beaver Mesa, Mesa Co., Colorado, USA	Miller et al. (1963)	GSAB74_609
Giersdorf_00000622	450	450	Coffinite	Coffinite	115736	Black Mama (Peaches Black Mama), Tenderfoot Mesa, Uravan District, Mesa Co., Colorado, USA	Miller et al. (1963)	GSAB74_609
Kristen001581	42.48	39.7	Sanidine		24222	Cripple Creek, Cripple Creek District, Teller Co., Colorado, USA	Kelley et al. (1998)	EG93_981
Kristen001582	34.09	33.65	Sanidine		24222	Cripple Creek, Cripple Creek District, Teller Co., Colorado, USA	Kelley et al. (1998)	EG93_981
Kristen001583	32.71	32.39	Sanidine		24222	Cripple Creek, Cripple Creek District, Teller Co., Colorado, USA	Kelley et al. (1998)	EG93_981
Kristen001584	32.31	32.11	Sanidine		24222	Cripple Creek, Cripple Creek District, Teller Co., Colorado, USA	Kelley et al. (1998)	EG93_981
Kristen001585	32.23	32.01	Sanidine		24222	Cripple Creek, Cripple Creek District, Teller Co., Colorado, USA	Kelley et al. (1998)	EG93_981
Kristen001586	32.59	32.41	Sanidine		24222	Cripple Creek, Cripple Creek District, Teller Co., Colorado, USA	Kelley et al. (1998)	EG93_981
Kristen001587	32.5	32.4	Sanidine		24222	Cripple Creek, Cripple Creek District, Teller Co., Colorado, USA	Kelley et al. (1998)	EG93_981
Kristen001588	32.48	32.38	Sanidine		24222	Cripple Creek, Cripple Creek District, Teller Co., Colorado, USA	Kelley et al. (1998)	EG93_981
Kristen001589	32.7	32.6	Sanidine		24222	Cripple Creek, Cripple Creek District, Teller Co., Colorado, USA	Kelley et al. (1998)	EG93_981
Kristen001590	33.5	31.66	Sanidine		24222	Cripple Creek, Cripple Creek District, Teller Co., Colorado, USA	Kelley et al. (1998)	EG93_981
Kristen001591	35.01	30.63	Sanidine		24222	Cripple Creek, Cripple Creek District, Teller Co., Colorado, USA	Kelley et al. (1998)	EG93_981
Kristen001592	32.8	32.6	Sanidine		24222	Cripple Creek, Cripple Creek District, Teller Co., Colorado, USA	Kelley et al. (1998)	EG93_981
Kristen001594	31.35	30.35			24222	Cripple Creek, Cripple Creek District, Teller Co., Colorado, USA	Kelley et al. (1998)	EG93_981
Kristen001595	33.34	33.04			24222	Cripple Creek, Cripple Creek District, Teller Co., Colorado, USA	Kelley et al. (1998)	EG93_981
Kristen001596	32.92	32.66			24222	Cripple Creek, Cripple Creek District, Teller Co., Colorado, USA	Kelley et al. (1998)	EG93_981
Kristen001597	32.41	32.07			24222	Cripple Creek, Cripple Creek District, Teller Co., Colorado, USA	Kelley et al. (1998)	EG93_981
Kristen001598	32.58	32.26			24222	Cripple Creek, Cripple Creek District, Teller Co., Colorado, USA	Kelley et al. (1998)	EG93_981
Kristen001599	32.22	32.02			24222	Cripple Creek, Cripple Creek District, Teller Co., Colorado, USA	Kelley et al. (1998)	EG93_981
Kristen001600	32.35	32.25			24222	Cripple Creek, Cripple Creek District, Teller Co., Colorado, USA	Kelley et al. (1998)	EG93_981
Kristen001601	32.23	32.13			24222	Cripple Creek, Cripple Creek District, Teller Co., Colorado, USA	Kelley et al. (1998)	EG93_981
Kristen001602	32.54	32.38			24222	Cripple Creek, Cripple Creek District, Teller Co., Colorado, USA	Kelley et al. (1998)	EG93_981
Kristen001603	32.37	32.27			24222	Cripple Creek, Cripple Creek District, Teller Co., Colorado, USA	Kelley et al. (1998)	EG93_981
Kristen001604	32.42	32.26			24222	Cripple Creek, Cripple Creek District, Teller Co., Colorado, USA	Kelley et al. (1998)	EG93_981
Kristen001607	32.47	31.85	Sanidine		24222	Cripple Creek, Cripple Creek District, Teller Co., Colorado, USA	Kelley et al. (1998)	EG93_981
Kristen001608	31.62	31.48	Sanidine		24222	Cripple Creek, Cripple Creek District, Teller Co., Colorado, USA	Kelley et al. (1998)	EG93_981
Kristen001609	31.97	31.73	Sanidine		24222	Cripple Creek, Cripple Creek District, Teller Co., Colorado, USA	Kelley et al. (1998)	EG93_981
Kristen001610	31.58	31.46	Sanidine		24222	Cripple Creek, Cripple Creek District, Teller Co., Colorado, USA	Kelley et al. (1998)	EG93_981
Kristen001611	32.16	31.84	Sanidine		24222	Cripple Creek, Cripple Creek District, Teller Co., Colorado, USA	Kelley et al. (1998)	EG93_981
Kristen001612	31.95	31.51	Sanidine		24222	Cripple Creek, Cripple Creek District, Teller Co., Colorado, USA	Kelley et al. (1998)	EG93_981
Kristen001613	31.9	31.68	Sanidine		24222	Cripple Creek, Cripple Creek District, Teller Co., Colorado, USA	Kelley et al. (1998)	EG93_981
Kristen001614	31.94	31.7	Sanidine		24222	Cripple Creek, Cripple Creek District, Teller Co., Colorado, USA	Kelley et al. (1998)	EG93_981
Kristen001615	32.96	30.66	Sanidine		24222	Cripple Creek, Cripple Creek District, Teller Co., Colorado, USA	Kelley et al. (1998)	EG93_981
Kristen001616	31.9	31.7	Sanidine		24222	Cripple Creek, Cripple Creek District, Teller Co., Colorado, USA	Kelley et al. (1998)	EG93_981
Kristen001618	32.1	31.7	Sanidine		24222	Cripple Creek, Cripple Creek District, Teller Co., Colorado, USA	Kelley et al. (1998)	EG93_981
Kristen001619	46.6	46.4	Sanidine		24222	Cripple Creek, Cripple Creek District, Teller Co., Colorado, USA	Kelley et al. (1998)	EG93_981
Kristen001620	99.23	98.55	Sanidine		24222	Cripple Creek, Cripple Creek District, Teller Co., Colorado, USA	Kelley et al. (1998)	EG93_981
Kristen001621	35.23	35.13	Sanidine		24222	Cripple Creek, Cripple Creek District, Teller Co., Colorado, USA	Kelley et al. (1998)	EG93_981
Kristen001622	31.75	31.61	Sanidine		24222	Cripple Creek, Cripple Creek District, Teller Co., Colorado, USA	Kelley et al. (1998)	EG93_981
Kristen001623	31.67	31.39	Sanidine		24222	Cripple Creek, Cripple Creek District, Teller Co., Colorado, USA	Kelley et al. (1998)	EG93_981
Kristen001624	32.66	32.42	Sanidine		24222	Cripple Creek, Cripple Creek District, Teller Co., Colorado, USA	Kelley et al. (1998)	EG93_981
Kristen001625	40.24	40.12	Sanidine		24222	Cripple Creek, Cripple Creek District, Teller Co., Colorado, USA	Kelley et al. (1998)	EG93_981
Kristen001626	41.02	40.9	Sanidine		24222	Cripple Creek, Cripple Creek District, Teller Co., Colorado, USA	Kelley et al. (1998)	EG93_981
Kristen001627	54.7	54.48	Sanidine		24222	Cripple Creek, Cripple Creek District, Teller Co., Colorado, USA	Kelley et al. (1998)	EG93_981
Kristen001628	59.4	59.22	Sanidine		24222	Cripple Creek, Cripple Creek District, Teller Co., Colorado, USA	Kelley et al. (1998)	EG93_981
Kristen001629	56.52	56.2	Sanidine		24222	Cripple Creek, Cripple Creek District, Teller Co., Colorado, USA	Kelley et al. (1998)	EG93_981
Kristen001630	61.27	60.97	Sanidine		24222	Cripple Creek, Cripple Creek District, Teller Co., Colorado, USA	Kelley et al. (1998)	EG93_981
Kristen001631	94.72	93.72	Sanidine		24222	Cripple Creek, Cripple Creek District, Teller Co., Colorado, USA	Kelley et al. (1998)	EG93_981
Kristen001632	63.89	60.91	Sanidine		24222	Cripple Creek, Cripple Creek District, Teller Co., Colorado, USA	Kelley et al. (1998)	EG93_981
Kristen001634	32.7	32.3			24222	Cripple Creek, Cripple Creek District, Teller Co., Colorado, USA	Kelley et al. (1998)	EG93_981
Kristen001635	35.4	29.76			24222	Cripple Creek, Cripple Creek District, Teller Co., Colorado, USA	Kelley et al. (1998)	EG93_981
Kristen001636	36.17	27.73			24222	Cripple Creek, Cripple Creek District, Teller Co., Colorado, USA	Kelley et al. (1998)	EG93_981
Kristen001637	37.08	36.02			24222	Cripple Creek, Cripple Creek District, Teller Co., Colorado, USA	Kelley et al. (1998)	EG93_981
Kristen001638	36.35	35.59			24222	Cripple Creek, Cripple Creek District, Teller Co., Colorado, USA	Kelley et al. (1998)	EG93_981
Kristen001639	35.97	35.13			24222	Cripple Creek, Cripple Creek District, Teller Co., Colorado, USA	Kelley et al. (1998)	EG93_981
Kristen001640	34.14	33.44			24222	Cripple Creek, Cripple Creek District, Teller Co., Colorado, USA	Kelley et al. (1998)	EG93_981
Kristen001641	32.08	31.98			24222	Cripple Creek, Cripple Creek District, Teller Co., Colorado, USA	Kelley et al. (1998)	EG93_981
Kristen001642	32.22	31.98			24222	Cripple Creek, Cripple Creek District, Teller Co., Colorado, USA	Kelley et al. (1998)	EG93_981
Kristen001643	31.84	31.7			24222	Cripple Creek, Cripple Creek District, Teller Co., Colorado, USA	Kelley et al. (1998)	EG93_981
Kristen001644	31.55	31.39			24222	Cripple Creek, Cripple Creek District, Teller Co., Colorado, USA	Kelley et al. (1998)	EG93_981
Kristen001646	31.3	31.1	Sanidine		24222	Cripple Creek, Cripple Creek District, Teller Co., Colorado, USA	Kelley et al. (1998)	EG93_981
Kristen001647	32.4	31.98	Sanidine		24222	Cripple Creek, Cripple Creek District, Teller Co., Colorado, USA	Kelley et al. (1998)	EG93_981
Kristen001648	31.87	31.47	Sanidine		24222	Cripple Creek, Cripple Creek District, Teller Co., Colorado, USA	Kelley et al. (1998)	EG93_981
Kristen001649	31.02	30.82	Sanidine		24222	Cripple Creek, Cripple Creek District, Teller Co., Colorado, USA	Kelley et al. (1998)	EG93_981
Kristen001650	31.2	30.9	Sanidine		24222	Cripple Creek, Cripple Creek District, Teller Co., Colorado, USA	Kelley et al. (1998)	EG93_981
Kristen001651	30.89	30.73	Sanidine		24222	Cripple Creek, Cripple Creek District, Teller Co., Colorado, USA	Kelley et al. (1998)	EG93_981
Kristen001652	30.91	30.59	Sanidine		24222	Cripple Creek, Cripple Creek District, Teller Co., Colorado, USA	Kelley et al. (1998)	EG93_981
Kristen001653	30.99	30.89	Sanidine		24222	Cripple Creek, Cripple Creek District, Teller Co., Colorado, USA	Kelley et al. (1998)	EG93_981
Kristen001654	31.51	31.41	Sanidine		24222	Cripple Creek, Cripple Creek District, Teller Co., Colorado, USA	Kelley et al. (1998)	EG93_981
Kristen001655	34.46	33.42	Sanidine		24222	Cripple Creek, Cripple Creek District, Teller Co., Colorado, USA	Kelley et al. (1998)	EG93_981
Kristen001656	30.16	29.64	Sanidine		24222	Cripple Creek, Cripple Creek District, Teller Co., Colorado, USA	Kelley et al. (1998)	EG93_981
Kristen001657	30.24	27.54	Sanidine		24222	Cripple Creek, Cripple Creek District, Teller Co., Colorado, USA	Kelley et al. (1998)	EG93_981
Kristen001659	31.38	31.18			44524	Ocean Wave Mine, Cripple Creek District, Teller Co., Colorado, USA	Kelley et al. (1998)	EG93_981
Kristen001660	45.63	44.77			44524	Ocean Wave Mine, Cripple Creek District, Teller Co., Colorado, USA	Kelley et al. (1998)	EG93_981
Kristen001661	33.01	32.91			44524	Ocean Wave Mine, Cripple Creek District, Teller Co., Colorado, USA	Kelley et al. (1998)	EG93_981
Kristen001662	24.95	23.13			44524	Ocean Wave Mine, Cripple Creek District, Teller Co., Colorado, USA	Kelley et al. (1998)	EG93_981
Kristen001663	31.22	30.04			44524	Ocean Wave Mine, Cripple Creek District, Teller Co., Colorado, USA	Kelley et al. (1998)	EG93_981
Kristen001664	31.7	31.6			44524	Ocean Wave Mine, Cripple Creek District, Teller Co., Colorado, USA	Kelley et al. (1998)	EG93_981
Kristen001665	30.88	30.56			44524	Ocean Wave Mine, Cripple Creek District, Teller Co., Colorado, USA	Kelley et al. (1998)	EG93_981
Kristen001666	31.34	31.18			44524	Ocean Wave Mine, Cripple Creek District, Teller Co., Colorado, USA	Kelley et al. (1998)	EG93_981
Kristen001667	31.25	31.15			44524	Ocean Wave Mine, Cripple Creek District, Teller Co., Colorado, USA	Kelley et al. (1998)	EG93_981
Kristen001668	31.31	31.21			44524	Ocean Wave Mine, Cripple Creek District, Teller Co., Colorado, USA	Kelley et al. (1998)	EG93_981
Kristen001670	30	29.8			16465	Molly Kathleen Mine, Cripple Creek, Cripple Creek District, Teller Co., Colorado, USA	Kelley et al. (1998)	EG93_981
Kristen001671	23.26	22.92			16465	Molly Kathleen Mine, Cripple Creek, Cripple Creek District, Teller Co., Colorado, USA	Kelley et al. (1998)	EG93_981
Kristen001672	31.46	31.36			16465	Molly Kathleen Mine, Cripple Creek, Cripple Creek District, Teller Co., Colorado, USA	Kelley et al. (1998)	EG93_981
Kristen001673	30.57	30.23			16465	Molly Kathleen Mine, Cripple Creek, Cripple Creek District, Teller Co., Colorado, USA	Kelley et al. (1998)	EG93_981
Kristen001674	30.28	30.08			16465	Molly Kathleen Mine, Cripple Creek, Cripple Creek District, Teller Co., Colorado, USA	Kelley et al. (1998)	EG93_981
Kristen001675	29.97	29.85			16465	Molly Kathleen Mine, Cripple Creek, Cripple Creek District, Teller Co., Colorado, USA	Kelley et al. (1998)	EG93_981
Kristen001676	30.02	29.92			16465	Molly Kathleen Mine, Cripple Creek, Cripple Creek District, Teller Co., Colorado, USA	Kelley et al. (1998)	EG93_981
Kristen001677	30.26	29.92			16465	Molly Kathleen Mine, Cripple Creek, Cripple Creek District, Teller Co., Colorado, USA	Kelley et al. (1998)	EG93_981
Kristen001678	30.2	29.94			16465	Molly Kathleen Mine, Cripple Creek, Cripple Creek District, Teller Co., Colorado, USA	Kelley et al. (1998)	EG93_981
Kristen001679	30.02	29.92			16465	Molly Kathleen Mine, Cripple Creek, Cripple Creek District, Teller Co., Colorado, USA	Kelley et al. (1998)	EG93_981
Kristen001680	29.95	29.85			16465	Molly Kathleen Mine, Cripple Creek, Cripple Creek District, Teller Co., Colorado, USA	Kelley et al. (1998)	EG93_981
Kristen001681	30.11	29.99			16465	Molly Kathleen Mine, Cripple Creek, Cripple Creek District, Teller Co., Colorado, USA	Kelley et al. (1998)	EG93_981
Kristen001683	31.01	30.85			67776	Cresson Open Pit, Cripple Creek, Cripple Creek District, Teller Co., Colorado, USA	Kelley et al. (1998)	EG93_981
Kristen001684	51.61	49.93			67776	Cresson Open Pit, Cripple Creek, Cripple Creek District, Teller Co., Colorado, USA	Kelley et al. (1998)	EG93_981
Kristen001685	31.15	30.89			67776	Cresson Open Pit, Cripple Creek, Cripple Creek District, Teller Co., Colorado, USA	Kelley et al. (1998)	EG93_981
Kristen001686	29.87	29.77			67776	Cresson Open Pit, Cripple Creek, Cripple Creek District, Teller Co., Colorado, USA	Kelley et al. (1998)	EG93_981
Kristen001687	29.84	29.74			67776	Cresson Open Pit, Cripple Creek, Cripple Creek District, Teller Co., Colorado, USA	Kelley et al. (1998)	EG93_981
Kristen001688	29.83	29.31			67776	Cresson Open Pit, Cripple Creek, Cripple Creek District, Teller Co., Colorado, USA	Kelley et al. (1998)	EG93_981
Kristen001689	30.11	29.99			67776	Cresson Open Pit, Cripple Creek, Cripple Creek District, Teller Co., Colorado, USA	Kelley et al. (1998)	EG93_981
Kristen001690	31.31	31.17			67776	Cresson Open Pit, Cripple Creek, Cripple Creek District, Teller Co., Colorado, USA	Kelley et al. (1998)	EG93_981
Kristen001691	33	32.9			67776	Cresson Open Pit, Cripple Creek, Cripple Creek District, Teller Co., Colorado, USA	Kelley et al. (1998)	EG93_981
Kristen001692	33.54	33.44			67776	Cresson Open Pit, Cripple Creek, Cripple Creek District, Teller Co., Colorado, USA	Kelley et al. (1998)	EG93_981
Kristen001694	29.78	29.66			159260	Gold Star Pit, Altman, Teller Co., Colorado, USA	Kelley et al. (1998)	EG93_981
Kristen001695	44.46	43.7			159260	Gold Star Pit, Altman, Teller Co., Colorado, USA	Kelley et al. (1998)	EG93_981
Kristen001696	31	30.9			159260	Gold Star Pit, Altman, Teller Co., Colorado, USA	Kelley et al. (1998)	EG93_981
Kristen001697	30.02	29.92			159260	Gold Star Pit, Altman, Teller Co., Colorado, USA	Kelley et al. (1998)	EG93_981
Kristen001698	29.76	29.66			159260	Gold Star Pit, Altman, Teller Co., Colorado, USA	Kelley et al. (1998)	EG93_981
Kristen001699	29.6	29.44			159260	Gold Star Pit, Altman, Teller Co., Colorado, USA	Kelley et al. (1998)	EG93_981
Kristen001700	29.62	29.5			159260	Gold Star Pit, Altman, Teller Co., Colorado, USA	Kelley et al. (1998)	EG93_981
Kristen001701	29.64	29.48			159260	Gold Star Pit, Altman, Teller Co., Colorado, USA	Kelley et al. (1998)	EG93_981
Kristen001702	29.75	29.65			159260	Gold Star Pit, Altman, Teller Co., Colorado, USA	Kelley et al. (1998)	EG93_981
Kristen001703	29.7	29.6			159260	Gold Star Pit, Altman, Teller Co., Colorado, USA	Kelley et al. (1998)	EG93_981
Kristen001704	29.3	28.9			134571	Isabella Phonotephrite Dike, Cripple Creek District, Teller Co., Colorado, USA	Kelley et al. (1998)	EG93_981
Kristen001705	29.9	29.7			134571	Isabella Phonotephrite Dike, Cripple Creek District, Teller Co., Colorado, USA	Kelley et al. (1998)	EG93_981
Kristen001707	30.59	29.61			134571	Isabella Phonotephrite Dike, Cripple Creek District, Teller Co., Colorado, USA	Kelley et al. (1998)	EG93_981
Kristen001708	29.06	28.62			134571	Isabella Phonotephrite Dike, Cripple Creek District, Teller Co., Colorado, USA	Kelley et al. (1998)	EG93_981
Kristen001709	29.8	29.66			134571	Isabella Phonotephrite Dike, Cripple Creek District, Teller Co., Colorado, USA	Kelley et al. (1998)	EG93_981
Kristen001710	31.62	31.52			134571	Isabella Phonotephrite Dike, Cripple Creek District, Teller Co., Colorado, USA	Kelley et al. (1998)	EG93_981
Kristen001711	30.88	30.78			134571	Isabella Phonotephrite Dike, Cripple Creek District, Teller Co., Colorado, USA	Kelley et al. (1998)	EG93_981
Kristen001712	30.89	30.77			134571	Isabella Phonotephrite Dike, Cripple Creek District, Teller Co., Colorado, USA	Kelley et al. (1998)	EG93_981
Kristen001713	29.71	29.57			134571	Isabella Phonotephrite Dike, Cripple Creek District, Teller Co., Colorado, USA	Kelley et al. (1998)	EG93_981
Kristen001714	28.71	28.63			134571	Isabella Phonotephrite Dike, Cripple Creek District, Teller Co., Colorado, USA	Kelley et al. (1998)	EG93_981
Kristen001715	29.67	29.57			134571	Isabella Phonotephrite Dike, Cripple Creek District, Teller Co., Colorado, USA	Kelley et al. (1998)	EG93_981
Kristen001716	31.08	30.66			134571	Isabella Phonotephrite Dike, Cripple Creek District, Teller Co., Colorado, USA	Kelley et al. (1998)	EG93_981
Kristen001717	29.98	28.42			134571	Isabella Phonotephrite Dike, Cripple Creek District, Teller Co., Colorado, USA	Kelley et al. (1998)	EG93_981
Kristen001719	29.3	29.1			159260	Gold Star Pit, Altman, Teller Co., Colorado, USA	Kelley et al. (1998)	EG93_981
Kristen001720	31.75	31.51			159260	Gold Star Pit, Altman, Teller Co., Colorado, USA	Kelley et al. (1998)	EG93_981
Kristen001721	29.48	29.38			159260	Gold Star Pit, Altman, Teller Co., Colorado, USA	Kelley et al. (1998)	EG93_981
Kristen001722	29.6	29.5			159260	Gold Star Pit, Altman, Teller Co., Colorado, USA	Kelley et al. (1998)	EG93_981
Kristen001723	29.29	29.13			159260	Gold Star Pit, Altman, Teller Co., Colorado, USA	Kelley et al. (1998)	EG93_981
Kristen001724	29.15	28.97			159260	Gold Star Pit, Altman, Teller Co., Colorado, USA	Kelley et al. (1998)	EG93_981
Kristen001725	29.13	29.03			159260	Gold Star Pit, Altman, Teller Co., Colorado, USA	Kelley et al. (1998)	EG93_981
Kristen001726	29.18	29.04			159260	Gold Star Pit, Altman, Teller Co., Colorado, USA	Kelley et al. (1998)	EG93_981
Kristen001727	28.92	28.76			159260	Gold Star Pit, Altman, Teller Co., Colorado, USA	Kelley et al. (1998)	EG93_981
Kristen001728	28.83	28.73			159260	Gold Star Pit, Altman, Teller Co., Colorado, USA	Kelley et al. (1998)	EG93_981
Kristen001729	28.96	28.88			159260	Gold Star Pit, Altman, Teller Co., Colorado, USA	Kelley et al. (1998)	EG93_981
Kristen001730	29.05	28.97			159260	Gold Star Pit, Altman, Teller Co., Colorado, USA	Kelley et al. (1998)	EG93_981
Kristen001731	29.28	29.18			159260	Gold Star Pit, Altman, Teller Co., Colorado, USA	Kelley et al. (1998)	EG93_981
Kristen001732	29.66	29.5			159260	Gold Star Pit, Altman, Teller Co., Colorado, USA	Kelley et al. (1998)	EG93_981
Kristen001733	30.39	29.95			159260	Gold Star Pit, Altman, Teller Co., Colorado, USA	Kelley et al. (1998)	EG93_981
Kristen001735	28.5	28.3			159260	Gold Star Pit, Altman, Teller Co., Colorado, USA	Kelley et al. (1998)	EG93_981
Kristen001736	30.39	30.27			159260	Gold Star Pit, Altman, Teller Co., Colorado, USA	Kelley et al. (1998)	EG93_981
Kristen001737	28.69	28.59			159260	Gold Star Pit, Altman, Teller Co., Colorado, USA	Kelley et al. (1998)	EG93_981
Kristen001738	28.79	28.61			159260	Gold Star Pit, Altman, Teller Co., Colorado, USA	Kelley et al. (1998)	EG93_981
Kristen001739	28.49	28.31			159260	Gold Star Pit, Altman, Teller Co., Colorado, USA	Kelley et al. (1998)	EG93_981
Kristen001740	28.55	28.45			159260	Gold Star Pit, Altman, Teller Co., Colorado, USA	Kelley et al. (1998)	EG93_981
Kristen001741	28.28	28.16			159260	Gold Star Pit, Altman, Teller Co., Colorado, USA	Kelley et al. (1998)	EG93_981
Kristen001742	28.52	28.3			159260	Gold Star Pit, Altman, Teller Co., Colorado, USA	Kelley et al. (1998)	EG93_981
Kristen001743	28.46	28.36			159260	Gold Star Pit, Altman, Teller Co., Colorado, USA	Kelley et al. (1998)	EG93_981
Kristen001744	28.46	28.38			159260	Gold Star Pit, Altman, Teller Co., Colorado, USA	Kelley et al. (1998)	EG93_981
Kristen001745	28.73	28.63			159260	Gold Star Pit, Altman, Teller Co., Colorado, USA	Kelley et al. (1998)	EG93_981
Kristen001746	29.45	29.13			159260	Gold Star Pit, Altman, Teller Co., Colorado, USA	Kelley et al. (1998)	EG93_981
Kristen001747	30.35	29.65			159260	Gold Star Pit, Altman, Teller Co., Colorado, USA	Kelley et al. (1998)	EG93_981

Locality age (deprioritized) (remote)

Excel ID	Max Age (Ma)	Min Age (Ma)	Dated Mineral	Minerals explicitely stated as having this age	Age applies to these Elements	Dated Locality ID	Dated Locality	Ref	Ref ID
Giersdorf_00000598	380	280	Uraninite	Uraninite	U	4142	Happy Jack Mine (Blue Dike Mine), White Canyon, White Canyon District, San Juan Co., Utah, USA	Miller et al. (1963)	GSAB74_609