Don Pedro Mine

The Don Pedro Mine is a chromium mine located in Tuolumne county, California at an elevation of 899 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: Don Pedro Mine

State:  California

County:  Tuolumne

Elevation: 899 Feet (274 Meters)

Commodity: Chromium

Lat, Long: 37.77917, -120.41972

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 Don Pedro Mine

Don Pedro Mine MRDS details

Site Name

Primary: Don Pedro Mine


Commodity

Primary: Chromium


Location

State: California
County: Tuolumne
District: Marsh'S 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: Edyth R. Banta And Nino Chalemor, And The Turlock And Modes To Irrigation District
Home Office: 40 Lane Ct., Oakland, Ca. 94611


Production

Year: 1918
Time Period: 1916-1918
Material type: ORE
Description: Cp_Grade: ^Ore Varied Bet. 36-44% Cr2o3


Deposit

Record Type: Site
Operation Category: Past Producer
Operation Type: Unknown
Years of Production:
Organization:
Significant: N
Deposit Size: S


Physiography

General Physiographic Area: Pacific Mountain System
Physiographic Province: Pacific Border Province
Physiographic Section: California Trough
Physiographic Detail: Sierra Nevada Foothills


Mineral Deposit Model

Not available


Orebody

Form: POD

Form: POD


Structure

Not available


Alterations

Not available


Rocks

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


Analytical Data

Analytical Data: ORE AVERAGED 40% CR2O3.


Materials

Ore: Chromite


Comments

Comment (Location): WORKINGS LOCATED ON THE TOP OF A GENTLE SWELL ABOUT 100 M NE OF A SMALL, INTER MITTENT STREAM IN THE NW 1/4, SECT. 10.

Comment (Deposit): FROM THE SIZE AND DISTRIBUTION OF WORKINGS, THE ORE ZONE HAS THE ABOVE DIMENSIONS

Comment (Workings): WORKINGS CONSIST OF 8-9 SMALL OPEN CUTS AND CAVED SHAFTS WHICH STRIKE N15W OVER A DISTANCE OF 120 M. THE SHAFTS ARE USUALLY 8-15 M DEEP. (1975).

Comment (Geology): THE MINE OCCURS IN A SMALL SILL-LIKE BODY THAT LIES TO THE SOUTH AND ALONG THE TREND OF THE MAJOR NW TRENDING PERIDOTITE MASSES OF TUOLUMNE COUNTY. THE SILL-LIKE BODY IS EXPOSED OVER AN AREA 90 M BY 1000 M.


References

Reference (Deposit): STINSON, M.C., 1975, CDMG MINERAL PROPERTY REPORT, UNPUBLISHED

Reference (Deposit): CATER, F.W. JR., 1948, CDMG BULL 134, PART 3, CHAPT. 1, P. 17, 18.

Reference (Production): STINSON, 1975, CDMG MINERAL PROPERTY REPORT, UNPUBLISHED


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.