Montana · Lewis and Clark County
Occurrence
Black Sand Placer
Lewis and Clark County, Montana, United States
Gold
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USGS source ↗
Commodities
Primary
Gold
Commodity type
M
Deposit
Deposit type
Placer
Deposit size
N
Workings
Surface
Materials
Ore minerals
Gold
Geology
Host rock
Clastic Sedimentary Rock · Belt Series
Associated rock
Diorite
Economic & production
Development status
Occurrence
Discovery year
1934
Identification
Deposit ID
10022884
MRDS ID
FS00389
Region
NA
Data score
D
Coordinates
46.89657, -112.42784
References
FS FILES1935 DIREXPL USF