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 Turquoise at Vaca Hills, Silver Bell District, Silver Bell Mts, Pima Co., Arizona, USA

The cyan highlights indicate which age entries were selected as the "best" for assigning the mineral an age of 69Ma - 66Ma 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-00087	69	66		Actinolite, Chalcanthite, Chalcocite, Chalcopyrite, Chrysocolla, Copper, Cuprite, Diopside, Epidote, Jarosite, Malachite, Molybdenite, Pyrite, Tenorite, Wollastonite	Cu	31299	Silver Bell District, Silver Bell Mts, Pima Co., Arizona, USA	Singer et al. (2008)	USGSOFR2008_1155

Mineralization 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-00087	69	66		Actinolite, Chalcanthite, Chalcocite, Chalcopyrite, Chrysocolla, Copper, Cuprite, Diopside, Epidote, Jarosite, Malachite, Molybdenite, Pyrite, Tenorite, Wollastonite	Cu	31299	Silver Bell District, Silver Bell Mts, Pima Co., Arizona, USA	Singer et al. (2008)	USGSOFR2008_1155