Logan Mine

The Logan Mine is a silver, lead, and copper mine located in Beaverhead county, Montana at an elevation of 7,080 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

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.

Site Name

Primary: Logan Mine
Secondary: Lone Star
Secondary: Silver Star
Secondary: Skeets No. 1

Commodity

Primary: Silver
Primary: Lead
Primary: Copper
Secondary: Zinc

Location

State: Montana
County: Beaverhead
District: Blue Wing District

Land Status

Land ownership: Private
Note: the land ownership field only identifies whether the area the mine is in is generally on public lands like Forest Service or BLM land, or if it is in an area that is generally private property. It does not definitively identify property status, nor does it indicate claim status or whether an area is open to prospecting. Always respect private property.

Holdings

Not available

Workings

Not available

Ownership

Owner Name: Monroe Mann (Estate)
Years: 1931 -

Production

Not available

Deposit

Record Type: Site
Operation Category: Past Producer
Operation Type: 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

Type: L
Description: Limestone Trends N-S, 15e. Thrust Fault Strikes North And Dips West.

Alterations

Alteration Type: L
Alteration Text: Oxidation

Rocks

Name: Diorite
Role: Associated
Age Type: Host Rock
Age Young: Mississippian

Name: Diorite
Role: Associated
Age Type: Associated Rock
Age Young: Pliocene

Name: Diorite
Role: Associated
Age Type: Host Rock Unit
Age Young: Mississippian

Analytical Data

Not available

Materials

Gangue: Quartz
Gangue: Calcite

Comments

Not available

References

Reference (Deposit): MBMG BULL 6, P. 38.

Reference (Deposit): BERGER, B.R., AND OTHERS, 1979, GEOCHEM. RECON. OF MINING DISTRICTS, MONT: U.S.G.S. OPEN-FILE REPORT 79-1426

Reference (Deposit): USGS MGI I-433

Reference (Deposit): MBMG BULL 85, 1970, P. 103.

Reference (Deposit): 1965 GEOLMAP W.R. LOWELL, U.S.G.S. MISC. GEOL. INV. MAP I-433

Reference (Deposit): 1979 RECON B.R. BERGER, U.S.G.S. OPEN-FILE REPORT 79-1426

Reference (Deposit): 1931 GEOLMAP M.B.M.G. BULL. 6

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.