Montana · Lewis and Clark County
Past Producer
Mammoth Claim
Lewis and Clark County, Montana, United States
Gold
Copper
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USGS source ↗
Commodities
Primary
Gold, Copper
Commodity type
M
Deposit
Deposit size
S
Materials
Ore minerals
Chalcopyrite, Gold
Geology
Host rock
Shale · Empire Shale
Structure
Boulder Batholith, Marysville Stock
Economic & production
Development status
Past Producer
Identification
Deposit ID
10019363
MRDS ID
DC09682
Region
NA
Data score
C
Coordinates
46.73823, -112.3695
References
USGS BULL 842, P. 75.USGS-USBM MINERAL YEARBOOK