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 Galena at Pioneer Mine (Great Republic Mine; Old Pioneer; White Metal; White Metal Mining Co. Claims; Great Republic Patent MS 370; Devine Property; Pioneer South Patent MS 374), Pioneer Mountain, Pinal Mountains District, Pinal Mts, Gila Co., Arizona, USA

The cyan highlights indicate which age entries were selected as the "best" for assigning the mineral an age of 1660Ma - 1360Ma 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
Giersdorf_00000315	1440	1360		Muscovite		48641	Pioneer Mine (Great Republic Mine; Old Pioneer; White Metal; White Metal Mining Co. Claims; Great Republic Patent MS 370; Devine Property; Pioneer South Patent MS 374), Pioneer Mountain, Pinal Mountains District, Pinal Mts, Gila Co., Arizona, USA	Shafiqullah et al. (1980)	AGSD12_201
Giersdorf_00000316	1660	1580		Muscovite		48641	Pioneer Mine (Great Republic Mine; Old Pioneer; White Metal; White Metal Mining Co. Claims; Great Republic Patent MS 370; Devine Property; Pioneer South Patent MS 374), Pioneer Mountain, Pinal Mountains District, Pinal Mts, Gila Co., Arizona, USA	Shafiqullah et al. (1980)	AGSD12_201