Montana · Lewis and Clark County
Occurrence
S.P. Bassett
Lewis and Clark County, Montana, United States
Lead
Silver
Zinc
Copper
Arsenic
Antimony
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USGS source ↗
Commodities
Primary
Lead, Silver
Secondary
Zinc, Copper
Tertiary
Arsenic, Antimony
Commodity type
M
Deposit
Deposit size
N
Materials
Ore minerals
Boulangerite, Chalcopyrite, Galena, Sphalerite
Gangue
Quartz, Tourmaline
Geology
Host rock
Quartz Monzonite
Associated rock
Quartz Monzonite · Butte Quartz Monzonite (Boulder Batholith)
Structure
Boulder Batholith
Economic & production
Development status
Occurrence
Identification
Deposit ID
10012447
MRDS ID
D008086
Region
NA
Data score
C
Coordinates
46.46657, -112.24672
References
USGS BULL 842, P. 248, 254.USGS PP 428, PL. 1.