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 Topaz at Unaweep Canyon, Unaweep District, Mesa 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	Minerals explicitely stated as having this age	Age applies to these Elements	Dated Locality ID	Dated Locality	Ref	Ref ID
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