Montana · Granite County
Occurrence
Last Chance Mine
Granite County, Montana, United States
Copper
Silver
Gold
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USGS source ↗
Commodities
Primary
Copper
Secondary
Silver, Gold
Commodity type
M
Deposit
Deposit type
Vein
Deposit size
N
Workings
Underground
Materials
Ore minerals
Chalcopyrite, Copper, Gold
Gangue
Pyrite, Quartz
Geology
Host rock
Limestone · Belt Series
Structure
Boulder Batholith
Economic & production
Development status
Occurrence
Identification
Deposit ID
10019282
MRDS ID
DC09374
Region
NA
Data score
C
Coordinates
46.47489, -113.27036
References
USGS PP 78, P. 260.MBMG GEOLOGIC MAP OF THE NW FLANK OF THE FLINT CREEK RANGE