Montana · Madison County
Occurrence
Bonanza 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
N
Materials
Ore minerals
Gold
Gangue
Pyrite, Quartz
Geology
Host rock
Gneiss
Economic & production
Development status
Occurrence
Identification
Deposit ID
10014513
MRDS ID
D011321
Region
NA
Data score
C
Coordinates
45.66268, -112.03365
References
USGS MF 1590-C, 1983, TABLE 1, FIG.