Arizona · Cochise County
Past Producer
Keystone Mine
Cochise County, Arizona, United States
Silver
Copper
Zinc
Gold
Molybdenum
Tungsten
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USGS source ↗
Commodities
Primary
Silver, Copper, Zinc
Tertiary
Gold, Molybdenum, Tungsten
Commodity type
M
Materials
Other materials
Bornite, Chalcopyrite, Gold, Molybdenite, Pyrite, Scheelite, Silver, Sphalerite
Economic & production
Development status
Past Producer
First production
1917
Discovery year
1908
Identification
Deposit ID
10112771
MRDS ID
M050006
Alternate names
Bannon Group, Hagerman
Region
NA
Data score
B
Coordinates
32.09292, -110.05816
References
KEITH S B 1973 ARIZ BUR MINES BULL 187 P 57