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 Quartz at Copper Shield Mine (Effie Fay Group), Contact District, Elko Co., Nevada, USA

The cyan highlights indicate which age entries were selected as the "best" for assigning the mineral an age of 150Ma - 150Ma 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
PorphCu-00684	150	150		Actinolite, Bornite, Chalcocite, Chalcopyrite, Chrysocolla, Cuprite, Hematite, Pyrite	Cu	36659	Contact District, Elko Co., Nevada, USA	Singer et al. (2008)	USGSOFR2008_1155