The San Ramon is a copper mine located in San Luis Obispo county, California at an elevation of 1,499 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: 1,499 Feet (457 Meters)
Commodity: Copper
Lat, Long: 35.43194, -120.78472
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.
San Ramon MRDS details
Site Name
Primary: San Ramon
Commodity
Primary: Copper
Secondary: Gold
Secondary: Silver
Location
State: California
County: San Luis Obispo
Land Status
Land ownership: National Forest
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
Not available
Production
Not available
Deposit
Record Type: Site
Operation Category: Past Producer
Deposit Type: Vein
Operation Type: Unknown
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
Mineral Deposit Model
Not available
Orebody
Not available
Structure
Not available
Alterations
Not available
Rocks
Not available
Analytical Data
Analytical Data: $3.60 AU, 38? AG
Materials
Not available
Comments
Comment (Production): SOME PRODUCTION IN 1860'S
Comment (Deposit): VEIN 5 - 11 FT.
Comment (Geology): GEOL.DESC: SANDSTONE, HANGING WALL, PORPHYRY FOOTWALL CLAIMS LIE IN A SERPENTINE BELT.
Comment (Deposit): NO OTHER INFORMATION AVAILABLE.
Comment (Workings): ADIT 140 FT.; SHAFT 50 FT.
References
Reference (Deposit): ERIC, J. H., 1948 ; COPPER IN CALIFORNIA BULL. 144 ; DIV. OF MINES, P. 322
Reference (Deposit): FRANKE, H. A., 1935 ; MINES AND MINERAL RESOURCES OF SAN LUIS OBISPO COUNTY; CALIF. JOUR. MINES AND GEOLOGY, VOL. 31 , NO. 4 ; DIV. OF MINES, P. 418
Reference (Production): ERIC, J. H., 1948
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.
