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 Copper at Backbone District, West Shasta Copper - Zinc District, Klamath Mts, Shasta Co., California, USA

The cyan highlights indicate which age entries were selected as the "best" for assigning the mineral an age of 390Ma - 390Ma 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
vms-01035	390	390			S	8166	Mammoth Mine (Mammoth Copper Company; Anderson Mine; Mayflower Mine; Sheridan Mine; Gillispie Mine), Copper Crest Group, Mammoth Butte, Backbone District, West Shasta Copper - Zinc District, Klamath Mts, Shasta Co., California, USA	Moiser et al. (2009)	USGSOFR2009_1034

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
vms-01035	390	390			S	8166	Mammoth Mine (Mammoth Copper Company; Anderson Mine; Mayflower Mine; Sheridan Mine; Gillispie Mine), Copper Crest Group, Mammoth Butte, Backbone District, West Shasta Copper - Zinc District, Klamath Mts, Shasta Co., California, USA	Moiser et al. (2009)	USGSOFR2009_1034
vms-01041	390	390			S	92921	Shasta King Mine (Lost Desert Mine; Trinity Mine), Mammoth Butte, Backbone District, West Shasta Copper - Zinc District, Klamath Mts, Shasta Co., California, USA	Moiser et al. (2009)	USGSOFR2009_1034
vms-01044	390	390			S	92963	Sutro Mine, Bohemotash Mountain, Backbone District, West Shasta Copper - Zinc District, Klamath Mts, Shasta Co., California, USA	Moiser et al. (2009)	USGSOFR2009_1034