The Silver Coin Mine is a silver mine located in Lewis and Clark county, Montana.
About the MRDS Data:
All mine locations were obtained from the USGS Mineral Resources Data System. The locations and other information in this database have not been verified for accuracy. It should be assumed that all mines are on private property.
Mine Info
Satelite View
MRDS mine locations are often very general, and in some cases are incorrect. Some mine remains have been covered or removed by modern industrial activity or by development of things like housing. The satellite view offers a quick glimpse as to whether the MRDS location corresponds to visible mine remains.
Silver Coin Mine MRDS details
Site Name
Primary: Silver Coin Mine
Commodity
Primary: Silver
Secondary: Lead
Secondary: Gold
Secondary: Copper
Secondary: Zinc
Tertiary: Arsenic
Tertiary: Antimony
Tertiary: Vanadium
Location
State: Montana
County: Lewis and Clark
District: Blue Cloud District
Land Status
Not available
Holdings
Not available
Workings
Type: Underground
Ownership
Owner Name: Owen Byrnes And Others
Owner Name: Louis Peura
Home Office: 1124 6th Ave., Helena, Mt.
Production
Not available
Deposit
Record Type: Site
Operation Category: Past Producer
Operation Type: Unknown
Year Last Production: 1958
Years of Production:
Organization:
Significant: N
Deposit Size: S
Physiography
General Physiographic Area: Rocky Mountain System
Physiographic Province: Northern Rocky Mountains
Mineral Deposit Model
Not available
Orebody
Form: ORE BODIES IRREGULAR AND INDEFINITELY BOUNDED
Structure
Type: R
Description: Boulder Batholith
Alterations
Alteration Type: L
Alteration Text: Oxidation
Rocks
Name: Quartz Monzonite
Role: Associated
Age Type: Associated Rock
Age Young: Late Cretaceous
Name: Quartz Monzonite
Role: Associated
Age Type: Host Rock Unit
Age Young: Neoproterozoic
Name: Quartz Monzonite
Role: Associated
Age Type: Associated Rock Unit
Age Young: Late Cretaceous
Name: Quartz Monzonite
Role: Associated
Age Type: Host Rock
Age Young: Neoproterozoic
Analytical Data
Analytical Data: ASSAY SAMPLES REPORTEDLY RUN AS HIGH AS 1,000 OZ/TON AG
Materials
Ore: Cerargyrite
Ore: Argentite
Ore: Gold
Ore: Stibiconite
Ore: Cuprodescloizite
Gangue: Quartz
Gangue: Nontronite
Gangue: Calcite
Comments
Comment (Workings): 2 TUNNELS, DRIFTS, AND CROSSCUTS
Comment (Location): 1.5 KM S OF STEMWINDER HILL.
References
Reference (Deposit): USGS BULL 842, P. 58, 40.
Reference (Deposit): MBMG BULL 10, P. 35
Principal Gold Districts of Montana
In Montana, 54 mining districts have each have produced more than 10,000 ounces of gold. The largest producers are Butte, Helena, Marysville, and Virginia City, each having produced more than one million ounces. Twenty seven other districts are each credited with between 100,000 and one million ounces of gold production. Read more: Principal Gold Districts of Montana.
