Mackey Mine

The Mackey Mine is a mine located in Tuolumne county, California at an elevation of 1,299 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: Mackey Mine

State:  California

County:  Tuolumne

Elevation: 1,299 Feet (396 Meters)

Commodity:

Lat, Long: 37.9289, -120.43890

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 Mackey Mine

Mackey Mine MRDS details

Site Name

Primary: Mackey Mine


Commodity

Tertiary: Chromium
Tertiary: Iron


Location

State: California
County: Tuolumne
District: Jamestown 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

Type: Fee Ownership


Workings

Type: Underground


Ownership

Owner Name: W. A. Fitzgerald-Last Operator,1918
Home Office: California
Info Year: 1976

Owner Name: Gradella, John
Home Office: California
Info Year: 1976


Production

Not available


Deposit

Record Type: Site
Operation Category: Past Producer
Operation Type: Underground
Mining Method: Unknown
Year First Production: 1908
Discovery Year: 1860
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

Unknown: Antigorite
Unknown: Asbestos
Unknown: Chromite
Unknown: Olivine
Unknown: Pyroxene


Comments

Comment (Deposit): LITTLE IF ANY ORE RESERVE-CITED FROM 701 ORIGINAL MACKEY MINE NOW SITE OF ASBESTOS QUARRY,CLOSED 1975 THE AVERAGE MINEABLE GRADE OF OREOF CHROMITE IS 38.0 PERCENT IS 13.0 PERCENT. INSUFFICIENT DATA FOR MATRIX CALCULATION. ANALYSIS BY CDMG IN 1976 GAVE FOLLOWING PERCENTAGES-MASSIVE 2 08.83,CR2O3 32.89,FEO 08.18,TOTAL FE 11.58,AL203 20.78,MGO CR/FE 2.50.


References

Reference (Deposit): C.D.M AND G BULL 134,PT.3,SIERRA NEVADA CHAP 1,P.14,1948

Reference (Deposit): COOPERATIVE WAR MINERALS INVEST IN CAL.TUOLUMNE CO.#25,UNPU

Reference (Deposit): 18 CALIFORNIA STATE MINING BUR BULL NO.76,PP.213-214,BRADL


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.