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Copper Crest group, Mammoth Butte, Backbone District, West Shasta Copper - Zinc District, Klamath Mts, Shasta Co., California, USA



Detailed Mineral List:
Arsenopyrite
Formula: FeAsS
Locality: 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
Bornite
Formula: Cu5FeS4
Locality: 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
Calcite
Formula: CaCO3
Locality: 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
Chalcocite
Formula: Cu2S
Locality: 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
Chalcopyrite
Formula: CuFeS2
Locality: 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
'Chlorite Group'
Locality: 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
Copper
Formula: Cu
Locality: 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
Covellite
Formula: CuS
Locality: 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
Digenite
Formula: Cu9S5
Locality: 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
Galena
Formula: PbS
Locality: 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
Gold
Formula: Au
Locality: 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
Greenockite
Formula: CdS
Locality: 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
Idaite
Formula: Cu5FeS6
Locality: 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
Muscovite var: Sericite
Locality: 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
Pyrite
Formula: FeS2
Locality: 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
Quartz
Formula: SiO2
Locality: 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
Silver
Formula: Ag
Locality: 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
Sphalerite
Formula: ZnS
Locality: 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
Tennantite
Formula: (Cu,Ag,Fe,Zn)12As4S13
Locality: 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
Tetrahedrite
Formula: (Cu,Fe,Ag,Zn)12Sb4S13
Locality: 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


20 entries listed. 18 valid minerals.

References

Eric, J.C. (1948), Copper in California: California Division of Mines Bulletin 144: 32.

USGS (2005), Mineral Resources Data System (MRDS): U.S. Geological Survey, Reston, Virginia, loc. file ID #10033814.

U.S. Bureau of Mines, Minerals Availability System (MAS) file ID #0060890

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