O'Connell Mine

The O'Connell Mine is a chromium mine located in Santa Clara county, California at an elevation of 659 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: O'Connell Mine  

State:  California

County:  Santa Clara

Elevation: 659 Feet (201 Meters)

Commodity: Chromium

Lat, Long: 37.19694, -121.68806

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 O'Connell Mine

O'Connell Mine MRDS details

Site Name

Primary: O'Connell Mine


Commodity

Primary: Chromium


Location

State: California
County: Santa Clara


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: Lake Anderson Corp., 777 N. First St., San Jose, Ca.
Years: 1976 -

Owner Name: Palo Alto Mining Co.
Years: 1953 - 1955


Production

Not available


Deposit

Record Type: Site
Operation Category: Past Producer
Operation Type: Unknown
Year First Production: 1953
Years of Production:
Organization:
Significant: N
Deposit Size: S


Physiography

General Physiographic Area: Pacific Mountain System
Physiographic Province: Pacific Border Province
Physiographic Section: California Coast Ranges
Physiographic Detail: Diablo Range


Mineral Deposit Model

Not available


Orebody

Form: TABULAR


Structure

Not available


Alterations

Alteration Type: L
Alteration Text: Serpentinization Of Peridotites


Rocks

Not available


Analytical Data

Analytical Data: ORE AVERAGED 44.67% CR2O3, 12.89% FE WITH CR/FE RATIO 2.37.


Materials

Ore: Chromite
Gangue: Opal
Gangue: Uvarovite


Comments

Comment (Location): MINE IS APPROX. 2.8 MILES BY ROAD FROM U.S. 101

Comment (Workings): WORKINGS CONSIST OF A BULLDOZER PIT 200 FT LONG, 50 FT. WIDE AND 20-30 FT. DEEP. 2000 FT SOUTH OF THIS PIT; ARE A SERIES OF BENCH CUTS IN THE HILLSIDE. OVERALL DIMENSION OF THESE CUTS IS 150 FT. LONG, 100 FT. WIDE AND 100 FT OF ELEVATION DIFFERENCE BETWEEN THE LOWEST AND HIGHEST BENCH.

Comment (Geology): DEPOSIT OCCURS IN A NARROW ELONGATE UTRAMAFIC BODY, THAT FORMS A LOW RIDGE TRENDING NW AND FORMING THE EAST SLOPE OF THE SANTA CLARA VALLEY. THE BODY IS FAULT BOUND TO THE WEST AND EAST.

Comment (Production): MILLING-GRADE ORE. RESERVES LIMITED TO SOME OUTCROPS NEAR WORKINGS.


References

Reference (Deposit): STINSON, M.C., 1976, CALIF. DIVISION OF MINES AND GEOLOGY MINERAL PROPERTY REPORT, UNPUBLISHED


California Gold

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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.