Oro Rico Penon Blanco

The Oro Rico Penon Blanco 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: Oro Rico Penon Blanco

State:  California

County:  Mariposa

Elevation:

Commodity: Gold

Lat, Long: 37.74722, -120.23611

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 Oro Rico Penon Blanco

Oro Rico Penon Blanco MRDS details

Site Name

Primary: Oro Rico Penon Blanco


Commodity

Primary: Gold


Location

State: California
County: Mariposa


Land Status

Not available


Holdings

Not available


Workings

Not available


Ownership

Owner Name: Oro Rico Mines Co.
Home Office: C/O A. D. Vencile


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): ONE OF THE EARLIEST WORKED CLAIMS IN THE COUNTY. CONSIDERABLE DEVELOPMENT HAD BEEN MADE BY 1868 AND SEVERAL ORE SHOOTS 2-4 FT. THICK HAD BEEN DISCOVERED AND ORE AVERAGED $10 - $12 PER TON. WORKED INTERMITTENTLY UNTIL 1912; LITTLE OR NO WORK DONE UNTIL AFTER 1928 DUE TO LITIGATION; SOME EXPLORATION AND DEVELOPMENT DONE IN 1934; LITTLE OR NO WORK DONE SINCE. TOTAL PRODUCTION, ALTHOUGH INCOMPLETELY RECORDED, IS SMALL.

Comment (Workings): ADITS, SHAFTS, TUNNELS, DRIFTING; IN 1954 TWO WORKINGS WERE STILL RECOGNIZABLE ON THE PENON BLANCO CLAIM BUT NONE ARE ACCESSIBLE WITHOUT SOME CLEANING OUT.

Comment (Deposit): CONSISTS OF THE PATENTED CLAIMS OLD JUDGE, SO. JUDGE, LITTLE JUDGE, PENON BLANCO AND NO. PENON BLANCO, AND UNPATENTED STAR AND STEVENSON, TOTALING MORE THAN 100 ACRES. COPPER PRODUCTION LESS THAN 100,000 LBS - DOM BULL. 144, PT. 3 1948, P. 269. LOCATION MAY OR NOT BE THE PROSPECTS SHOWN IN THE NE1/4 OF SEC. 19, SW1/4 SEC. 20, NW1/4 SEC. 29, U.S. GEOL. SURVEY QUAD. COULTERVILLE, CALIF., 1949


References

Reference (Deposit): CALIF. JOUR. MINES & GEOLOGY, V. 53, NOS. 1 & 2, JAN.-APRIL, 1957, PP. 147-148, 294; V. 53, NOS. 3 & 4, JULY-OCT., 1957, P. 551

Reference (Deposit): DOM BULL. 108, 1934, P. 185-6


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.