Montana · Madison County
Past Producer
Union Mine
Madison County, Montana, United States
Gold
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USGS source ↗
Commodities
Primary
Gold
Commodity type
M
Deposit
Deposit type
Vein
Deposit size
S
Materials
Ore minerals
Gold
Geology
Host rock
Gneiss · Pre Belt
Economic & production
Development status
Past Producer
First production
1933
Discovery year
1933
Identification
Deposit ID
10097866
MRDS ID
D010029
Region
NA
Data score
D
Coordinates
45.51879, -112.19809
References
MIN RES US, 1933