Montana · Granite County
Past Producer
International Mine
Granite County, Montana, United States
Gold
Silver
Copper
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USGS source ↗
Commodities
Primary
Gold
Secondary
Silver, Copper
Commodity type
M
Deposit
Deposit size
S
Workings
Unknown
Materials
Ore minerals
Gold
Gangue
Limonite, Pyrite, Quartz
Geology
Host rock
Diorite
Associated rock
Diorite · Garnet Stock
Structure
Bearmouth Overthrust, Deep Creek Anticline, Garnet Stock
Alteration
Oxidation
Economic & production
Development status
Past Producer
Production years
1910-1914
Identification
Deposit ID
10019706
MRDS ID
DC11189
Region
NA
Data score
B
Coordinates
46.82656, -113.33982
References
USGS BULL 660, P. 173-178,186-7