Montana · Silver Bow County
Past Producer
Snowdrift Mine
Silver Bow County, Montana, United States
Silver
Manganese
Gold
Antimony
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USGS source ↗
Commodities
Primary
Silver, Manganese
Secondary
Gold
Tertiary
Antimony
Commodity type
M
Deposit
Deposit size
S
Materials
Ore minerals
Galena, Gold, Rhodonite, Sphalerite, Tetrahedrite
Gangue
Calcite, Limonite, Pyrite, Quartz
Geology
Host rock
Quartz Monzonite
Associated rock
Quartz Monzonite · Butte Quartz Monzonite (Boulder Batholith)
Structure
Boulder Batholith
Economic & production
Development status
Past Producer
Identification
Deposit ID
10019565
MRDS ID
DC10832
Region
NA
Data score
B
Coordinates
46.03879, -112.54533
References
USGS PP 74, PL. 248-49, PL. X.MBMG BULL 10, P. 67.USGS-USBM MINERAL YEARBOOK, 1922