Montana · Jefferson County
Past Producer
Bullion Mine
Jefferson County, Montana, United States
Silver
Copper
Lead
Zinc
Gold
Uranium
Antimony
Arsenic
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USGS source ↗
Commodities
Primary
Silver, Copper, Lead
Secondary
Zinc, Gold
Tertiary
Uranium, Antimony, Arsenic
Commodity type
M
Deposit
Deposit size
S
Orebody form
TABULAR, PODS
Ore control
Vein Occupies Fault Zone
Materials
Ore minerals
Chalcopyrite, Galena, Gold, Sphalerite, Tetrahedrite, Uraninite
Gangue
Pyrite, Quartz, Siderite
Geology
Host rock
Quartz Monzonite
Associated rock
Quartz Monzonite,Volcanic Rock (Aphanitic) · Boulder Batholith, Butte Quartz Monzonite;Elkhorn Mountains Volcanics
Structure
Boulder Batholith
Tectonic setting
Cordilleran Miogeosyncline
Alteration
Sericitization, Pyritization
Economic & production
Development status
Past Producer
First production
1897
Discovery year
1882
Identification
Deposit ID
10105722
MRDS ID
W014709
Region
NA
Data score
B
Coordinates
46.35601, -112.29532
References
MBMG BULL 16, P. 25-6.101MBMG BULL 100, P. 9USGS BULL 527, P. 127.USGS BULL 1151, P. 101-3.MBMG BULL 30, P. 22USGS BULL 842, P. 295MBMG BULL 16.