Bear River Chrome Mine

The Bear River Chrome Mine is a chromium mine located in Placer county, California.

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: Bear River Chrome Mine

State:  California

County:  Placer

Elevation:

Commodity: Chromium

Lat, Long: 39.24306, -120.78611

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 Bear River Chrome Mine

Bear River Chrome Mine MRDS details

Site Name

Primary: Bear River Chrome Mine
Secondary: Sullivan Chrome Mine
Secondary: Sullivan-Hemphill-Nobel Mine 1917-22
Secondary: Becky Mine ?
Secondary: Central Pacific Lease
Secondary: Black Nugget Mine World War Ii


Commodity

Primary: Chromium


Location

State: California
County: Placer
District: Dutch Flat Area


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: Pacific Gas And Electric Co.
Years: 1949 -


Production

Not available


Deposit

Record Type: Site
Operation Category: Past Producer
Operation Type: Unknown
Year First Production: 1885
Year Last Production: 1920
Discovery Year: 1885
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: LENSE


Structure

Not available


Alterations

Not available


Rocks

Not available


Analytical Data

Not available


Materials

Ore: Chromite


Comments

Comment (Location): MINE LOCATED NEAR THE CENTER OF THE NORTH EDGE OF NE OF NW, SECT. 19

Comment (Deposit): DEPOSIT CONSISTED OF A SERIES OF LENSES AND BOULDER FLOAT

Comment (Workings): WORKINGS CONSISTED OF TWO ADITS, A CROSSCUT, A SHORT RAISE AND NUMEROUS OPEN CUTS AND PITS

Comment (Geology): DEPOSIT OCCURS IN THE EASTERNMOST OF 3 SUBPARALLEL BELTS OF ULTRAMAFIC ROCKS THAT TREND NORTHWARD ACROSS PLACER CO.

Comment (Deposit): Discovery Year: 1880'S


References

Reference (Production): CDMG BULL 134, PT. 3, CHAPT. 5, P. 200, 204

Reference (Deposit): RYNEARSON, G.A., 1953, CDMG BULL 134, PT. 3, CHAPT. 5, P. 199, 200, 204, 306


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.