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 Malachite at Picacho District, Pinal Co., Arizona, USA

The cyan highlights indicate which age entries were selected as the "best" for assigning the mineral an age of 25.08Ma - 23.62Ma 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
Giersdorf_00000395	25.08	23.62				130537	Unnamed Copper Prospect (39), Granite Hills Area, Picacho Mts, Picacho District, Pinal Co., Arizona, USA	Shafiqullah et al. (1980)	AGSD12_201

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
Giersdorf_00000395	25.08	23.62				130537	Unnamed Copper Prospect (39), Granite Hills Area, Picacho Mts, Picacho District, Pinal Co., Arizona, USA	Shafiqullah et al. (1980)	AGSD12_201
USGS-Rb-Sr-04831	1275	1275				107033	Picacho Basin Gypsum-Salt Occurrence, Picacho Area, Picacho Basin, Picacho District, Pinal Co., Arizona, USA	USGS-Rb-Sr	USGS-Rb-Sr
USGS-Rb-Sr-04832	1540	1540				107033	Picacho Basin Gypsum-Salt Occurrence, Picacho Area, Picacho Basin, Picacho District, Pinal Co., Arizona, USA	USGS-Rb-Sr	USGS-Rb-Sr