Montana · Lewis and Clark County
Past Producer
Last Chance Mine
Lewis and Clark County, Montana, United States
Silver
Gold
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USGS source ↗
Commodities
Primary
Silver, Gold
Commodity type
M
Deposit
Deposit size
S
Workings
Underground
Ore control
Shear Zone 1-3 Ft In Width
Materials
Ore minerals
Gold
Gangue
Pyrite, Quartz
Geology
Host rock
Andesite
Associated rock
Andesite · Elkhorn Mountain Volcanics
Alteration
Oxidation
Economic & production
Development status
Past Producer
Identification
Deposit ID
10019722
MRDS ID
DC11228
Region
NA
Data score
C
Coordinates
46.94101, -112.52507
References
USGS BULL 842, P. 118