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 Epidote at Pitkin Co., Colorado, USA

The cyan highlights indicate which age entries were selected as the "best" for assigning the mineral an age of 36.3Ma - 23.8Ma 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
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-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

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
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-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
sedznpb-00444	52	52				30152	Aspen District (Roaring Fork District), Pitkin Co., Colorado, USA	Singer et al. (2009)	USGSOFR2009-1252
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