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 Torbernite at Ajo District, Pima Co., Arizona, USA

The cyan highlights indicate which age entries were selected as the "best" for assigning the mineral an age of 63Ma - 63Ma 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
PorphCu-00011	63	63		Albite, Alunite, Bornite, Brochantite, Chalcocite, Chalcopyrite, Chrysocolla, Covellite, Cuprite, Epidote, Gold, Ilmenite, Jarosite, Magnetite, Malachite, Molybdenite, Pyrite, Shattuckite, Sphalerite	Cu	3370	New Cornelia Mine (Ajo Mine), Ajo, Little Ajo Mts, Ajo District, Pima Co., Arizona, USA	Singer et al. (2008)	USGSOFR2008_1155

Mineralization 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
PorphCu-00011	63	63		Albite, Alunite, Bornite, Brochantite, Chalcocite, Chalcopyrite, Chrysocolla, Covellite, Cuprite, Epidote, Gold, Ilmenite, Jarosite, Magnetite, Malachite, Molybdenite, Pyrite, Shattuckite, Sphalerite	Cu	3370	New Cornelia Mine (Ajo Mine), Ajo, Little Ajo Mts, Ajo District, Pima Co., Arizona, USA	Singer et al. (2008)	USGSOFR2008_1155

Locality age

Excel ID	Max Age (Ma)	Min Age (Ma)	Dated Mineral	Dated Locality ID	Dated Locality	Ref	Ref ID
EG94_211-00047	63	63		3370	New Cornelia Mine (Ajo Mine), Ajo, Little Ajo Mts, Ajo District, Pima Co., Arizona, USA	Bouse et al. (1999)	EG94_211
EG94_211-00048	63	63		3370	New Cornelia Mine (Ajo Mine), Ajo, Little Ajo Mts, Ajo District, Pima Co., Arizona, USA	Bouse et al. (1999)	EG94_211
EG94_211-00049	63	63		3370	New Cornelia Mine (Ajo Mine), Ajo, Little Ajo Mts, Ajo District, Pima Co., Arizona, USA	Bouse et al. (1999)	EG94_211
Giersdorf_00000446	16.06	14.98		43662	Batamote Mts, Ajo Area, Little Ajo Mts, Ajo District, Pima Co., Arizona, USA	Shafiqullah et al. (1980)	AGSD12_201
NAVDAT-16805	67.1	54.9		64136	Camelback Mountain, Little Ajo Mts, Ajo District, Pima Co., Arizona, USA	NAVDAT	NAVDAT
NAVDAT-16806	67.1	54.9		64136	Camelback Mountain, Little Ajo Mts, Ajo District, Pima Co., Arizona, USA	NAVDAT	NAVDAT
NAVDAT-16807	67.1	54.9		64136	Camelback Mountain, Little Ajo Mts, Ajo District, Pima Co., Arizona, USA	NAVDAT	NAVDAT
NAVDAT-16808	67.1	54.9		64136	Camelback Mountain, Little Ajo Mts, Ajo District, Pima Co., Arizona, USA	NAVDAT	NAVDAT
NAVDAT-16810	27.5	22.5		189558	Old Hickles Property, Ajo District, Pima Co., Arizona, USA	NAVDAT	NAVDAT
NAVDAT-16811	27.5	22.5		189558	Old Hickles Property, Ajo District, Pima Co., Arizona, USA	NAVDAT	NAVDAT
NAVDAT-16818	27.5	22.5		64136	Camelback Mountain, Little Ajo Mts, Ajo District, Pima Co., Arizona, USA	NAVDAT	NAVDAT
NAVDAT-16822	25	0		64136	Camelback Mountain, Little Ajo Mts, Ajo District, Pima Co., Arizona, USA	NAVDAT	NAVDAT
NAVDAT-88776	27.7	22.3		67392	Eighty-Five Group, Little Ajo Mts, Ajo District, Pima Co., Arizona, USA	NAVDAT	NAVDAT
NAVDAT-88787	23.9	23.5	Zircon	64136	Camelback Mountain, Little Ajo Mts, Ajo District, Pima Co., Arizona, USA	NAVDAT	NAVDAT
NAVDAT-88792	23.9	23.5	Zircon	64136	Camelback Mountain, Little Ajo Mts, Ajo District, Pima Co., Arizona, USA	NAVDAT	NAVDAT
NAVDAT-88794	65	63		64136	Camelback Mountain, Little Ajo Mts, Ajo District, Pima Co., Arizona, USA	NAVDAT	NAVDAT
NAVDAT-88795	65	63		64136	Camelback Mountain, Little Ajo Mts, Ajo District, Pima Co., Arizona, USA	NAVDAT	NAVDAT
NAVDAT-88801	23.9	23.5	Zircon	189558	Old Hickles Property, Ajo District, Pima Co., Arizona, USA	NAVDAT	NAVDAT
NAVDAT-88803	23.9	23.5	Zircon	189558	Old Hickles Property, Ajo District, Pima Co., Arizona, USA	NAVDAT	NAVDAT
NAVDAT-88804	23.9	23.5	Zircon	189558	Old Hickles Property, Ajo District, Pima Co., Arizona, USA	NAVDAT	NAVDAT