Montana · Powell County
Past Producer
Third Term Mine
Powell County, Montana, United States
Silver
Copper
Lead
Zinc
Gold
Nickel
Antimony
Arsenic
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USGS source ↗
Commodities
Primary
Silver, Copper, Lead, Zinc
Secondary
Gold
Tertiary
Nickel, Antimony, Arsenic
Commodity type
M
Deposit
Deposit size
S
Materials
Ore minerals
Chalcopyrite, Covellite, Galena, Gold, Sphalerite, Tetrahedrite
Gangue
Ankerite, Calcite, Limonite, Millerite, Polybasite, Pyrite, Quartz, Tourmaline
Geology
Host rock
Andesite
Associated rock
Andesite · Elkhorn Mountain Volcanics
Structure
Boulder Batholith
Alteration
Sericitization, Argillization
Economic & production
Development status
Past Producer
Identification
Deposit ID
10019320
MRDS ID
DC09506
Region
NA
Data score
B
Coordinates
46.50268, -112.35311
References
MBMG BULL 30, P. 33.MBMG BULL 115, P. 14.MBMG BULL-98, P. 15, 16, 51.MBMG BULL 98, P. 51.