Red Ledge Mine

The Red Ledge Mine is a chromium mine located in Nevada county, California at an elevation of 3,540 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: Red Ledge Mine  

State:  California

County:  Nevada

Elevation: 3,540 Feet (1,079 Meters)

Primary Mineral: Chromium

Lat, Long: 39.34444, -120.80056

Map: View on Google Maps


Satelite image of the Red Ledge Mine

Red Ledge Mine MRDS details

Site Name

Primary: Red Ledge Mine
Secondary: Claims: Red Ledge
Secondary: Red Ledge Extension


Commodity

Primary: Chromium


Location

State: California
County: Nevada
District: Washington Area


Land Status

Land ownership: National Forest
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 indicate a claim status and does not necessarily indicate an area is open to prospecting.


Holdings

Not available


Workings

Not available


Ownership

Owner Name: Sam Tracy
Home Office: Washington, Ca.

Owner Name: T. B. Williamson, C. M. Cole, E. A. Langford


Production

Not available


Deposit

Record Type: Site
Operation Category: Past Producer
Operation Type: Unknown
Year First Production: 1916
Year Last Production: 1943
Years of Production:
Organization:
Significant: N
Deposit Size: S


Physiography

General Physiographic Area: Pacific Mountain System
Physiographic Province: Cascade-Sierra Mountains
Physiographic Section: Sierra Nevada


Mineral Deposit Model

Not available


Orebody

Form: POD


Structure

Not available


Alterations

Not available


Rocks

Name: Dunite
Role: Host
Age Type: Host Rock
Age Young: Late Cretaceous


Analytical Data

Not available


Materials

Ore: Chromite
Gangue: Uvarovite


Comments

Comment (Geology): THE MINE IS LOCATED NEAR THE S END OF A NARROW, NS TRENDING ULTRAMAFIC MASS, THAT IS EXPOSED FOR ALMOST 6 MILES.

Comment (Production): WILLIAMSON BROTHERS AND COLE REPORTED PRODUCTION OF 402 LONG TONS OF ORE IN 1916, 384 TONS IN 1917, 230 TONS IN 1918 AND 359 TONS IN 1919, TOTAL OF 1,375 LONG TONS; OF THIS TOTAL 1,250 TONS APPROX. CAME FROM THIS LOCATION, REMAINDER FROM OTHER DEPOSITS OPERATED BY THE PARTNERSHIP. 5 TONS WERE MINED FROM A STRINGER AND A POD IN 1943.

Comment (Deposit): DEPOSIT CONSISTS OF A NUMBER OF PODS OF VARYING SIZES AND ORIENTATIONS. THE MINERALIZED ZONE HAS THE ABOVE STRIKE AND DIP.

Comment (Workings): WORKINGS CONSISTED OF TWO OPEN CUTS UNDERNEATH WHICHSEVERAL DRIFTS AND STOPES HAD BEEN CUT.

Comment (Location): LOCATED AT THE HEAD OF A NW FACING GULLY.

Comment (Deposit): COMPRISES CLAIMS AGGREGATING 150 ACRES (MAY INCLUDE THE RAPID FIRE IN SEC. 12). ORE LARGELY OF MASSIVE CHROMITE MUCH OF WHICH WAS SHATTERED AND BROKEN, THE PIECES BEING COATED WITH TALC AND KAMMERERITE AND A LITTLE UVAROVITE. AN UNEXPLORED BLOCK OF GROUND AT LEAST 100 FT. LONG BETWEEN THE TWO PRINCIPAL ORE BODIES COULD EASILY CONTAIN ONE OR MORE ORE BODIES OF APPRECIABLE SIZE.


References

Reference (Deposit): STINSON, M.C., 1976, CDMG MINERAL PROPERTY REPORT, UNPUBLISHED.

Reference (Deposit): D.O.M. BULL. 134, PT. III, CHAP. 5, PP. 237-239, PL. 13

Reference (Deposit): CALIF. JOUR. MINES & GEOLOGY, V. 37, NO. 3, JULY 1941, P. 462

Reference (Deposit): SOUTHERN PACIFIC CO., MINERALS FOR INDUSTRY, NORTHERN CALIF., V. 2, P. 17