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 Sphalerite at Martha Washington Group (Martha Washington Prospect; King James; Brooklyn Group), Silver City, Tintic District, East Tintic Mts, Juab Co., Utah, USA

The cyan highlights indicate which age entries were selected as the "best" for assigning the mineral an age of 32Ma - 32Ma at this locality

Locality age (remote)

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
sedznpb-00496	32	32				4192	Tintic District, East Tintic Mts, Juab Co., Utah, USA	Singer et al. (2009)	USGSOFR2009-1252