Tomkin Lease

The Tomkin Lease is a chromium mine located in Nevada county, California at an elevation of 1,601 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: Tomkin Lease  

State:  California

County:  Nevada

Elevation: 1,601 Feet (488 Meters)

Primary Mineral: Chromium

Lat, Long: 39.07139, -121.12444

Map: View on Google Maps


Satelite image of the Tomkin Lease

Tomkin Lease MRDS details

Site Name

Primary: Tomkin Lease


Commodity

Primary: Chromium


Location

State: California
County: Nevada
District: Wolf Creek Area


Land Status

Land ownership: State 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: W. J. Tomkin


Production

Not available


Deposit

Record Type: Site
Operation Category: Occurrence
Operation Type: Unknown
Years of Production:
Organization:
Significant: N


Physiography

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


Mineral Deposit Model

Not available


Orebody

Not available


Structure

Not available


Alterations

Not available


Rocks

Not available


Analytical Data

Not available


Materials

Ore: Chromite


Comments

Comment (Production): LAND UNDER LEASE BY W. J. TOMKIN UNDER A LEASE FROM AN UNIDENTIFIED PERSON, IN 1943. TOMKIN PRODUCED 11.4 LONG TONS OF ORE CONTAINING 37.38 PERCENT CR2O3 AND 9.43 PERCENT FE WITH A CR TO FE RATIO OF 2.71.


References

Reference (Deposit): D.O.M. BULL. 134, PT. III, CHAP. 5, P. 249, PL. 13