The Oak Hill is a copper mine located in Tuolumne county, California at an elevation of 840 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
Elevation: 840 Feet (256 Meters)
Commodity: Copper
Lat, Long: 37.72139, -120.45389
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.
Oak Hill MRDS details
Site Name
Primary: Oak Hill
Commodity
Primary: Copper
Secondary: Silver
Secondary: Gold
Location
State: California
County: Tuolumne
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
Type: Underground
Ownership
Not available
Production
Not available
Deposit
Record Type: Site
Operation Category: Past Producer
Operation Type: Unknown
Years of Production:
Organization:
Significant: N
Deposit Size: M
Physiography
General Physiographic Area: Pacific Mountain System
Physiographic Province: Pacific Border Province
Physiographic Section: California Trough
Mineral Deposit Model
Not available
Orebody
Not available
Structure
Type: L
Description: Quartz Dike On Eastern Wall, 30 - 40 Ft. Wide, Crops Out On Surface And Is Traced Over 350 Ft.
Alterations
Not available
Rocks
Not available
Analytical Data
Not available
Materials
Ore: Chalcocite
Ore: Chalcopyrite
Ore: Pyrite
Gangue: Quartz
Comments
Comment (Commodity): OXIDES, CARRYING A FAIR AMOUNT OF GOLD FOUND FROM SURFACE TO DEPTH OF 100 FT. BELOW THIS CHALCOCITE, PYRITE IS ENCOUNTERED. AT ABOUT 300 FT. CHALCOPYRITE IS REACHED.
Comment (Production): NO PRODUCTION RECORDED; ORE SHIPPED DURING FIRST PERIOD VARIED; (AU, .22 , .71 AND .62 OZ/TON) (AG, 2.38 , 7.11 AND 6.16 OZ/TON) (CU, 4.9 , 10.5 AND 20.9 %).
Comment (Workings): ONE PRINCIPAL SHAFT WITH THREE LEVELS.
Comment (Geology): GEOL.DESC: GANGUE ROCK CONSISTS OF CLAY SHALE, GENERALLY SHOWING A FOLIATED STRUCTURE, ALSO FORMING HOMOGENEOUS MASSES WITHOUT ANY REGULAR CLEVAGE.
Comment (Deposit): TWO ORE SHOOTS, ONE CLOSE TO EASTERN WALL, THE OTHER NEAR WESTERN BOUNDRY.
References
Reference (Deposit): AUBURY, L. E., 1908 , COPPER RESOURCES OF CALIFORNIA BULL. 50 ; CALIF. MIN. BUR., P. 250 - 251
Reference (Deposit): LOGAN, C. A., 1928 , SACRAMENTO FIELD DIVISION ; 24TH REPT. STATE MINERALOGIST; CALIF. MIN. BUR., P. 7.
Reference (Deposit): OLSEN MINE ALSO
Reference (Deposit): ALSO IN SECS 30 31
Reference (Production): LOGAN, C. A., 1928 , P. 7 (SEE REF.)
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.
