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
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.
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" 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.
