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 Coffinite at Sheila I Prospect, Texas Creek Area, Fremont Co., Colorado, USA

The cyan highlights indicate which age entries were selected as the "best" for assigning the mineral an age of 1693.1Ma - 1169.1Ma at this locality

Locality age

Excel ID	Max Age (Ma)	Min Age (Ma)	Dated Mineral	Dated Locality ID	Dated Locality	Ref	Ref ID
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