The Duffield is a gold mine located in Tuolumne county, California at an elevation of 3,150 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: 3,150 Feet (960 Meters)
Commodity: Gold
Lat, Long: 37.99889, -120.23028
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.
Duffield MRDS details
Site Name
Primary: Duffield
Commodity
Primary: Gold
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
Not available
Structure
Not available
Alterations
Not available
Rocks
Not available
Analytical Data
Not available
Materials
Ore: Gold
Comments
Comment (Workings): ADIT 130 FT. TO N. DRIFT 325 FT.; WINZE 80 FT. ON VEIN BELOW ADIT.
Comment (Geology): GEOL.DESC: GRANODIORITE FOOTWALL, SLATE ON HANGING WALL. VEIN HAS AVERAGE THICKNESS OF 12 INCHES.
References
Reference (Deposit): CRAWFORD, J.J., 1896 , THIRTEENTH REPT. OF THE STATE MINERALOGIST: CMB REPT. 13 , P 477
Reference (Deposit): TUCKER, W.B., 1914 , TUOLUMNE COUNTY: CMB REPT. 14 , P. 144
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.
