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 Xenotime-(Y) at Cottonwood 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-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