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 Gold at St. Joseph Mine (Gold Prince; Golden Dream Mine; Gold Princess; Gold Queen; Oriental; Oro Blanco; Ponce De Leon; Alfonso; Gold Crown; Alcyon; Gold Hill; White Gold Basin Mine; Jita), Picacho, Picacho District, Chocolate Mts, Imperial Co., California, USA

The cyan highlights indicate which age entries were selected as the "best" for assigning the mineral an age of 27.4Ma - 23.9Ma 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
Giersdorf_00000390	27.4	24.2				216264	Picacho, Picacho District, Chocolate Mts, Imperial Co., California, USA	Shafiqullah et al. (1980)	AGSD12_201
Giersdorf_00000391	26.9	23.9				216264	Picacho, Picacho District, Chocolate Mts, Imperial Co., California, USA	Shafiqullah et al. (1980)	AGSD12_201