Montana · Granite County
Past Producer
Idaho Mine
Granite County, Montana, United States
Gold
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USGS source ↗
Commodities
Primary
Gold
Commodity type
M
Deposit
Deposit size
S
Workings
Underground
Materials
Ore minerals
Gold
Gangue
Pyrite, Quartz
Geology
Host rock
Diorite
Associated rock
Diorite · Garnet Stock
Structure
Bearmouth Overthrust, Garnet Stock
Alteration
Oxidation
Economic & production
Development status
Past Producer
Identification
Deposit ID
10019086
MRDS ID
DC08551
Region
NA
Data score
B
Coordinates
46.81795, -113.31204
References
USGS BULL 660, P. 201-4MBMG BULL 8, P 13, 24, 25.