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 Bournonite at Tucson Mts, Pima Co., Arizona, USA

The cyan highlights indicate which age entries were selected as the "best" for assigning the mineral an age of 925Ma - 57.2Ma 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_00000335	925	865		Muscovite		45005	Busterville Mine, Avra, Amole District, Tucson Mts, Pima Co., Arizona, USA	Shafiqullah et al. (1980)	AGSD12_201
Giersdorf_00000364	60	57.2				45005	Busterville Mine, Avra, Amole District, Tucson Mts, Pima 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_00000335	925	865		Muscovite		45005	Busterville Mine, Avra, Amole District, Tucson Mts, Pima Co., Arizona, USA	Shafiqullah et al. (1980)	AGSD12_201
Giersdorf_00000342	160	150				31283	Amole District, Tucson Mts, Pima Co., Arizona, USA	Shafiqullah et al. (1980)	AGSD12_201
Giersdorf_00000352	72.2	68.8				31283	Amole District, Tucson Mts, Pima Co., Arizona, USA	Shafiqullah et al. (1980)	AGSD12_201
Giersdorf_00000364	60	57.2				45005	Busterville Mine, Avra, Amole District, Tucson Mts, Pima Co., Arizona, USA	Shafiqullah et al. (1980)	AGSD12_201