Ages for Chalcopyrite at Shasta King Mine (Lost Desert Mine; Trinity Mine), Mammoth Butte, 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

• 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
  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