Montana · Jefferson County
Past Producer
Van Armin Mine
Jefferson County, Montana, United States
Silver
Lead
Copper
Zinc
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USGS source ↗
Commodities
Primary
Silver, Lead
Secondary
Copper, Zinc
Commodity type
M
Deposit
Deposit size
S
Workings
Underground
Ore control
Bismark-Van Armin Shear Zone
Materials
Ore minerals
Chalcopyrite, Galena, Sphalerite
Gangue
Quartz
Geology
Host rock
Quartz Monzonite
Associated rock
Quartz Monzonite · Butte Quartz Monzonite (Boulder Batholith)
Structure
Boulder Batholith, Bismark-Vanarmin Shear Zone
Alteration
Sericitization, Argillic Alteration
Economic & production
Development status
Past Producer
Last production
1896
Identification
Deposit ID
10015929
MRDS ID
DB02224
Region
NA
Data score
B
Coordinates
46.30962, -112.13255
References
USGS PP 428, P. 53, 91USGS PP 428, P. 91.