Magruder Prospects

The Magruder Prospects is a chromium mine located in Yuba county, California at an elevation of 4,121 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: Magruder Prospects

State:  California

County:  Yuba

Elevation: 4,121 Feet (1,256 Meters)

Commodity: Chromium

Lat, Long: 39.59083, -121.07500

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 Magruder Prospects

Magruder Prospects MRDS details

Site Name

Primary: Magruder Prospects


Commodity

Primary: Chromium


Location

State: California
County: Yuba
District: Strawberry Valley 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 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: Soper-Wheeler Timber Co.
Years: 1943 -

Owner Name: Magruder, E. C.
Home Office: Strawberry Valley, Ca.
Years: 1943 -


Production

Not available


Deposit

Record Type: Site
Operation Category: Occurrence
Operation Type: Unknown
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: IRREG


Structure

Not available


Alterations

Not available


Rocks

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


Analytical Data

Analytical Data: ORE AVERAGED 28-30% CR2O3


Materials

Ore: Chromite


Comments

Comment (Workings): SECT. 15 DEPOSIT WORKINGS CONSIST OF A SMALL OPEN CUT. SECT. 22 DEPOSIT WORKINGS CONSIST OF SEVERAL SHALLOW PITS SCATTERED OVER AN AREA ABOUT 300 FT LONG AND 100 FT WIDE.

Comment (Location): DEPOSIT IN SECT. 15 LOCATED ABOUT 20 YARDS W OF THE COUNTY ROAD BETWEEN STRAWBERRY VALLEY AND LA PORTE, CA. THE DEPOSIT IN SECT. 22 IS LOCATED IN THE CENTER OF THAT SECTION NEAR A TIMBER ROAD ABOUT 3/8 OF A MILE SE OF THE COUNTY ROAD.

Comment (Development): ORE WAS MINED BUT NOT SHIPPED FROM THESE PROSPECTS.


References

Reference (Deposit): RYNEARSON, G.A., 1953, CDMG BULL 134, PART 3, CHAPT. 5, P. 261, 317


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"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.