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 Papago Chief Mine (Napoleon Mine), Baboquivari District, Baboquivari Mts, Pima Co., Arizona, USA

The cyan highlights indicate which age entries were selected as the "best" for assigning the mineral an age of 145Ma - 29.7Ma 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_00000381	30.9	29.7		Muscovite		35365	Baboquivari District, Baboquivari Mts, Pima Co., Arizona, USA	Shafiqullah et al. (1980)	AGSD12_201
Giersdorf_00000382	145	201.3				35365	Baboquivari District, Baboquivari Mts, Pima Co., Arizona, USA	Shafiqullah et al. (1980)	AGSD12_201