Montana · Lewis and Clark County
Past Producer
Red Mountain Tunnel
Lewis and Clark County, Montana, United States
Lead
Silver
Zinc
Gold
Copper
Arsenic
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USGS source ↗
Commodities
Primary
Lead, Silver
Secondary
Zinc, Gold, Copper
Tertiary
Arsenic
Commodity type
M
Deposit
Deposit size
S
Workings
Unknown
Materials
Ore minerals
Chalcopyrite, Galena, Gold, Sphalerite
Gangue
Pyrite, Quartz
Geology
Host rock
Quartz Monzonite
Associated rock
Quartz Monzonite,Granite · Aplite Dyke;Butte Quartz Monzonite
Structure
Boulder Batholith, Red Mountain Fault
Alteration
Sericitization
Economic & production
Development status
Past Producer
Identification
Deposit ID
10102035
MRDS ID
DC11448
Alternate names
Montana Lead Crosscut Tunnel No. 1.
Region
NA
Data score
B
Coordinates
46.48046, -112.24533
References
USGS PP 428, PL. 1, P. 33, 54, 56.USGS BULL 842, P. 249, PL. 41USGS BULL 842, P. 249-54.USGS PP 428, P. 56.