Leiter Mine

The Leiter Mine is a gold and silver mine located in Madison county, Montana at an elevation of 8,301 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: Leiter Mine

Commodity

Primary: Gold
Primary: Silver

Location

State: Montana
County: Madison
District: Sheridan (Wisconsin Creek) 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

Type: Underground

Ownership

Owner Name: L. Z. Leiter (Estate)
Home Office: Sheridan
Years: 1933 -

Production

Not available

Deposit

Record Type: Site
Operation Category: Past Producer
Deposit Type: Vein
Operation Type: Unknown
Discovery Year: 1875
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: Tobacco Root Mountains

Mineral Deposit Model

Not available

Orebody

Not available

Structure

Type: R
Description: Tobacco Root Batholith

Type: L
Description: Ritney Synform, Fracture Systems Trend N 25 E And N 70 E

Alterations

Alteration Type: L
Alteration Text: Oxidation

Rocks

Name: Gneiss
Role: Host
Age Type: Host Rock Unit
Age Young: Neoarchean

Name: Gneiss
Role: Host
Age Type: Host Rock
Age Young: Neoarchean

Analytical Data

Not available

Materials

Gangue: Quartz
Gangue: Pyrite

Comments

Comment (Development): 20-STAMP MILL CONNECTED TO MINE BY AERIAL TRAMWAY. POWER PLANT, CYANITE PLANT.

Comment (Deposit): TWO VEINS, THE GREY EAGLE, STRIKING N 70 E, AND THE SHERIDAN, STRIKING N 25 E. DIPS ARE VERTICAL. IMPORTANT PRODUCTION WAS FROM THE SHERIDAN VEIN.

Comment (Workings): 600 FOOT SHAFT, 1,200 FEET OF DRIFTS.

Comment (Geology): STRUCTURE AND FLOAT IMPLY PRESENCE OF MARBLE. (BURGER, 1967) ; GEOL.DESC: SULFIDES IN SHERIDAN, GREY EAGLE VEINS; RICHEST ORE NEAR INTERSECTION OF VEINS.

Comment (Deposit): MINE WORKED OXIDIZED ORE IN LATE 1890'S. COMMERCIAL SULPHIDE ORE IS REPORTEDLY PRESENT IN DEEPEST SHAFT. (MBMG MEMOIR 9). AN ATTEMPT TO REOPEN PROPERTY IN 30'S WAS NOT COMPLETED. ; INFO.SRC : 1 PUB LIT

Comment (Deposit): Discovery Year: 1870'S

References

Reference (Deposit): 1914 RECON WINCHELL, A.N., U.S.G.S. BULL. 57

Reference (Deposit): USGS BULL 574, P. 137.

Reference (Deposit): MBMG MEM 9, P. 42.

Reference (Deposit): MBMG MEM 41, P. 18.

Reference (Deposit): CONSV. DIV. COMP. DATE, 05-28-1963

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.