The Ohio Diggings is a copper 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
Elevation: 1,299 Feet (396 Meters)
Commodity: Copper
Lat, Long: 37.91861, -120.44028
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.
Ohio Diggings MRDS details
Site Name
Primary: Ohio Diggings
Secondary: Mackey Ranch
Commodity
Primary: Copper
Location
State: California
County: Tuolumne
Land Status
Not available
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: S
Physiography
General Physiographic Area: Pacific Mountain System
Physiographic Province: Cascade-Sierra Mountains
Physiographic Section: Sierra Nevada
Mineral Deposit Model
Not available
Orebody
Form: LENTICULAR
Structure
Not available
Alterations
Not available
Rocks
Not available
Analytical Data
Not available
Materials
Ore: Chalcopyrite
Comments
Comment (Production): 1915 ; 12 TONS WERE SHIPPED FROM A VEIN ONE FT. WIDE, IT ASSAYED 9 % CU, AND $2.50/TON IN AU AND AG.
Comment (Deposit): OXIDES AND SULFIDES OF COPPER
Comment (Workings): ONE SHAFT
References
Reference (Deposit): LOGAN, C. A., 1928 , SACRAMENTO FIELD DIVISION, 24TH REPT. STATE MINERALOGIST; CALIF. MIN. BUR., P. 7
Reference (Deposit): TUCKER, W. B., 1914 , TUOLUMNE COUNTY, 14TH REPT. STATE MINERALOGIST; CALIF. MIN. BUR., P. 135
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.
