Montana · Beaverhead County
Past Producer
Keystone Mine
Beaverhead County, Montana, United States
Gold
Silver
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USGS source ↗
Commodities
Primary
Gold, Silver
Commodity type
M
Deposit
Deposit type
Vein
Deposit size
S
Ore control
Bedding-Planes
Materials
Ore minerals
Tetrahedrite
Gangue
Barite, Quartz
Geology
Host rock
Dolomite · Jefferson Formation
Economic & production
Development status
Past Producer
Identification
Deposit ID
10019887
MRDS ID
DC11808
Region
NA
Data score
C
Coordinates
45.75128, -112.91201
References
MBMG BULL 85, P. 137.CROWLEY, F.A., 1961, DIRECTORY OF MINING ENTERPRISES, 1960: MT. BUREAU OF MINES AND GEOL., BULL. 20, P. 5.1972 COMPILE M.B.M.G. BULL. 85