Montana · Granite County
Occurrence
Johnson Claim
Granite County, Montana, United States
Gold
Copper
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USGS source ↗
Commodities
Primary
Gold, Copper
Commodity type
M
Deposit
Deposit size
N
Materials
Ore minerals
Copper, Gold
Gangue
Iron, Quartz
Geology
Host rock
Quartzite · Missoula Group
Structure
Philipsburg Anticline, Philipsburg Batholith
Economic & production
Development status
Occurrence
Identification
Deposit ID
10019280
MRDS ID
DC09372
Region
NA
Data score
C
Coordinates
46.46656, -113.25453
References
USGS PP 78, P. 260, PL. 1