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 Cummingtonite at 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 Ma - Ma 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