Montana · Granite County
Past Producer
Shamrock Mine
Granite County, Montana, United States
Lead
Zinc
Copper
Gold
Silver
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USGS source ↗
Commodities
Primary
Lead, Zinc
Secondary
Copper, Gold, Silver
Commodity type
M
Deposit
Deposit size
S
Materials
Ore minerals
Chalcopyrite, Galena, Sphalerite
Gangue
Pyrite
Geology
Host rock
Limestone · Kootenai Formation
Structure
Wasa-Shamrock Fault, Dunkleberg Anticline, Wasa-Shamrock Fault, Royal Stock
Economic & production
Development status
Past Producer
Identification
Deposit ID
10013350
MRDS ID
D009589
Region
NA
Data score
C
Coordinates
46.49572, -113.09535
References
USBM RI 5014,P. 10, 12, FIG. 3, 10