Hoff Mine

The Hoff Mine is a mine located in El Dorado county, California at an elevation of 8,609 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: Hoff Mine

State:  California

County:  El Dorado

Elevation: 8,609 Feet (2,624 Meters)

Commodity:

Lat, Long: 38.5228, -120.92140

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 Hoff Mine

Hoff Mine MRDS details

Site Name

Primary: Hoff Mine
Secondary: Trio Chrome Company Lease
Secondary: Trio Chrome Company Leases


Commodity

Tertiary: Chromium
Tertiary: Iron


Location

State: California
County: El Dorado
District: Latrobe 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: Robert Haddock And R. H. Chaix
Home Office: California
Info Year: 1976

Owner Name: Trio Chrome Co.-Lease From Haddock And Chaix
Home Office: California
Info Year: 1976


Production

Not available


Deposit

Record Type: Site
Operation Category: Past Producer
Operation Type: Surface
Mining Method: 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

Unknown: Chromite
Unknown: Penninite
Unknown: Serpentine


Comments

Comment (Production): ACCORDING TO TALIAFERRO AND BRADLEY,ABOUT 200 LONG TONS WERE PRODUCED DURING W.W.1,BUT FEDERAL RECORDS LIST ONLY 107 LONG TONS. THE AVERAGE MINEABLE GRADE OF CHROMITE IS 28 TO 33 PERCENT. INSUFFICIENT DATA FOR MATRIX CALCULATIONS.


References

Reference (Deposit): P.120-121,1951

Reference (Deposit): BRADLEY,W.W. ET AL,1918 CAL. STATE MINING BUR BULL 76,P.135-

Reference (Deposit): MINERAL PROPERTY FILE NO.15.96

Reference (Deposit): CATER,F.W. ET AL,CAL.DIV MINES CHROMITE INVEST,BULL 134,PT.3


California Gold

Where to Find Gold in California

"Where to Find Gold in California" looks at the density of modern placer mining claims along with historical gold mining locations and mining district descriptions to determine areas of high gold discovery potential in California. Read more: Where to Find Gold in California.