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 Covellite at Casa Grande Area, Casa Grande, Casa Grande District, Pinal Co., Arizona, USA

The cyan highlights indicate which age entries were selected as the "best" for assigning the mineral an age of 71Ma - 65Ma at this locality

Age range from children

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-00116	71	65		Atacamite, Bornite, Chalcocite, Chalcopyrite, Chrysocolla, Pyrite	Cu	53925	Santa Cruz Deposit (Casa Grande Santa Cruz Deposit; Francisco Grande Deposit; Fanny-Granny Deposit; Franny-Granny Deposit; Casa Grande; Casa Grande West), Casa Grande Area, Casa Grande, Casa Grande District, Pinal Co., Arizona, USA	Singer et al. (2008)	USGSOFR2008_1155

Mineralization 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
PorphCu-00116	71	65		Atacamite, Bornite, Chalcocite, Chalcopyrite, Chrysocolla, Pyrite	Cu	53925	Santa Cruz Deposit (Casa Grande Santa Cruz Deposit; Francisco Grande Deposit; Fanny-Granny Deposit; Franny-Granny Deposit; Casa Grande; Casa Grande West), Casa Grande Area, Casa Grande, Casa Grande District, Pinal Co., Arizona, USA	Singer et al. (2008)	USGSOFR2008_1155