Montana · Powell County
Past Producer
Kirby Mine
Powell County, Montana, United States
Silver
Zinc
Lead
Gold
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USGS source ↗
Commodities
Primary
Silver
Secondary
Zinc, Lead, Gold
Commodity type
M
Deposit
Deposit size
S
Workings
Underground
Materials
Ore minerals
Galena, Sphalerite
Gangue
Pyrite
Geology
Host rock
Andesite
Associated rock
Andesite · Elkhorn Mountain Volcanics
Structure
Boulder Batholith
Alteration
Hydrothermal
Economic & production
Development status
Past Producer
Identification
Deposit ID
10098055
MRDS ID
DC09918
Region
NA
Data score
C
Coordinates
46.38046, -112.58006
References
USGS BULL 842, P. 282MBMG BULL 67, P. 35.