Montana · Granite County
Occurrence
Upper Granite Prospect
Granite County, Montana, United States
Silver
Lead
Copper
Tungsten
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USGS source ↗
Commodities
Primary
Silver
Secondary
Lead, Copper, Tungsten
Commodity type
M
Deposit
Deposit size
N
Materials
Ore minerals
Malachite
Gangue
Quartz
Geology
Host rock
Diorite,Pegmatite
Associated rock
Diorite,Pegmatite · Royal Stock
Structure
Royal Stock, Mount Powell Batholith
Economic & production
Development status
Occurrence
Discovery year
1975
Identification
Deposit ID
10094610
MRDS ID
D010012
Region
NA
Data score
D
Coordinates
46.39072, -113.08785
References
USGS OPEN FILE REP 81-1095, P. 206, FIG. 21, 6