Montana · Lewis and Clark County
Past Producer
Silver Coin Mine
Lewis and Clark County, Montana, United States
Silver
Lead
Gold
Copper
Zinc
Arsenic
Antimony
Vanadium
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USGS source ↗
Commodities
Primary
Silver
Secondary
Lead, Gold, Copper, Zinc
Tertiary
Arsenic, Antimony, Vanadium
Commodity type
M
Deposit
Deposit size
S
Workings
Underground
Orebody form
ORE BODIES IRREGULAR AND INDEFINITELY BOUNDED
Ore control
Near Intrusive Contact With Quartz Monzonite
Materials
Ore minerals
Argentite, Cerargyrite, Cuprodescloizite, Gold, Stibiconite
Gangue
Calcite, Nontronite, Quartz
Geology
Host rock
Limestone · Helena Limestone
Associated rock
Quartz Monzonite · Butte Quartz Monzonite (Boulder Batholith)
Structure
Boulder Batholith
Alteration
Oxidation
Economic & production
Development status
Past Producer
Last production
1958
Identification
Deposit ID
10015855
MRDS ID
DB02116
Region
NA
Data score
B
Coordinates
46.61323, -112.14394
References
USGS BULL 842, P. 58, 40.MBMG BULL 10, P. 35