Cottontail Mine

The Cottontail Mine is a copper, lead, gold, and silver mine located in Beaverhead county, Montana at an elevation of 6,601 feet.

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

Name: Cottontail Mine

State:  Montana

County:  Beaverhead

Elevation: 6,601 Feet (2,012 Meters)

Commodity: Copper, Lead, Gold, Silver

Lat, Long: 45.19028, -112.95222

Map: View on Google Maps

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.


Satelite image of the Cottontail Mine

Cottontail Mine MRDS details

Site Name

Primary: Cottontail Mine
Secondary: Huron Mine


Commodity

Primary: Copper
Primary: Lead
Primary: Gold
Primary: Silver
Secondary: Zinc
Tertiary: Manganese


Location

State: Montana
County: Beaverhead
District: Blue Wing District


Land Status

Not available


Holdings

Not available


Workings

Type: Underground


Ownership

Owner Name: Spokane National Mines, Inc.
Home Office: 424 Hutton Bldg. Spokane, WA 99204


Production

Not available


Deposit

Record Type: Site
Operation Category: Past Producer
Operation Type: Unknown
Discovery Year: 1865
Discovery Method: Unknown
Years of Production:
Organization:
Significant: N
Deposit Size: S


Physiography

General Physiographic Area: Rocky Mountain System
Physiographic Province: Northern Rocky Mountains
Physiographic Detail: Pioneer Mountains


Mineral Deposit Model

Not available


Orebody

Not available


Structure

Not available


Alterations

Not available


Rocks

Name: Limestone
Role: Host
Age Type: Host Rock Unit
Age Young: Mississippian

Name: Limestone
Role: Host
Age Type: Host Rock
Age Young: Mississippian


Analytical Data

Not available


Materials

Ore: Cerargyrite
Ore: Galena
Ore: Chalcopyrite
Ore: Sphalerite
Ore: Pyrargyrite
Ore: Silver
Ore: Gold
Gangue: Calcite
Gangue: Rhodochrosite
Gangue: Quartz


Comments

Comment (Development): SEVEN UNPATENTED CLAIMS

Comment (Deposit): TWO NARROW FISSURE VEINS. ONE STRIKES N80E, THE OTHER STRIKES N65E. BOTH DIP STEEPLY SOUTH.

Comment (Workings): ADIT 700 FT. LONG, BEING EXTENDED IN 1940. VEINS ARE DEVELOPED OVER A LENGTH OF ABOUT 500 FT. BY SHALLOW SHAFTS, TRENCHES, AND SHORT ADITS.

Comment (Geology): BOTH VEINS OF DEPOSIT CUT THROUGH WHITE RECRYSTALLIZED LS & BLUE-GRAY LS OF MADISON FM.

Comment (Deposit): Discovery Year: 1860'S


References

Reference (Deposit): MBMG BULL 6.

Reference (Deposit): MBMG BULL 85.

Reference (Deposit): MBMG BULL 92

Reference (Deposit): MBMG MEM 20, P. 5

Reference (Deposit): 1931 COMPILE M.B.M.G., BULL. 6, SHENON, P.J.

Reference (Deposit): 1972 COMPILE M.B.M.G., BULL. 85, GEACH, R.D.

Reference (Production): GEACH, R.D., 1972, M.B.M.G. BULL. 85.


Principal Gold Districts of Montana

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.