Specimen, Pershing, and Specimen Ext.

The Specimen, Pershing, and Specimen Ext. is a gold mine located in Mariposa 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: Specimen, Pershing, and Specimen Ext.  

State:  California

County:  Mariposa

Elevation:

Commodity: Gold

Lat, Long: 37.625, -120.14722

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 Specimen, Pershing, and Specimen Ext.

Specimen, Pershing, and Specimen Ext. MRDS details

Site Name

Primary: Specimen, Pershing, and Specimen Ext.


Commodity

Primary: Gold


Location

State: California
County: Mariposa


Land Status

Not available


Holdings

Not available


Workings

Not available


Ownership

Owner Name: Helmuth H. Lane


Production

Not available


Deposit

Record Type: Site
Operation Category: Producer
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

Not available


Comments

Comment (Production): ACTIVE IN 1952 UNDER E. J. MARIAH OF MT. BULLION AND J. E. COSTA OF BEAR VALLEY, PRODUCING A SMALL TONNAGE OF 3-OZ. PER TON ORE. TEMPORARILY IDLE IN SEPT.1955;A SMALL QUANTITY OF GOLD RECOVERED BY LANE IN 1954. TOTAL PRODUCTION 1905-52 IS ABOUT $12,000 REALIZED FROM APPROX. 894 TONS OF ORE, AVE. OF ABOUT 13.42 PER TON.

Comment (Workings): A 60-FT. SHAFT WITH 40 FT. OF DRIFTS.


References

Reference (Deposit): CALIF. JOUR. MINES & GEOLOGY, V. 53, NOS. 1 & 2, JAN.- APRIL, 1957, P. 306

Reference (Deposit): U.S. BUREAU OF MINES - PREPRINT FROM MIN. YEARBOOK, 1954, MIN. INDUSTRY OF CALIF., P. 64


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.