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 Calcite at Lakeshore Mine (Casa Grande Mine; Trans Arizona Res. Inc. Mine; Treasure State Mine; Cyprus Casa Grande Mine; Tohono Mine; Cyprus Tohono Mine), North Komelik Area, Casa Grande District, Slate Mts, Tohono O'odham Indian Reservation, Pinal Co., Arizona, USA

The cyan highlights indicate which age entries were selected as the "best" for assigning the mineral an age of 66Ma - 66Ma 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
PorphCu-00111	66	66		Brochantite, Chalcocite, Chalcopyrite, Covellite, Cuprite, Diopside, Magnetite, Pyrite, Tenorite, Tremolite	Cu	51058	Lakeshore Mine (Casa Grande Mine; Trans Arizona Res. Inc. Mine; Treasure State Mine; Cyprus Casa Grande Mine; Tohono Mine; Cyprus Tohono Mine), North Komelik Area, Casa Grande District, Slate Mts, Tohono O'odham Indian Reservation, Pinal Co., Arizona, USA	Singer et al. (2008)	USGSOFR2008_1155