The Ortega is a gold mine located in Mariposa county, California at an elevation of 2,300 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: 2,300 Feet (701 Meters)
Commodity: Gold
Lat, Long: 37.48806, -120.04917
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.
Ortega MRDS details
Site Name
Primary: Ortega
Commodity
Primary: Gold
Secondary: Zinc
Secondary: Copper
Secondary: Lead
Location
State: California
County: Mariposa
Land Status
Not available
Holdings
Not available
Workings
Type: Surface/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
Analytical Data: CONCENTRATES ASSAYED $171.54/TON
Materials
Ore: Sphalerite
Ore: Pyrite
Ore: Gold
Gangue: Quartz
Comments
Comment (Production): EARLY PRODUCTION NOT RECORDED
Comment (Deposit): VEINS, 2 , AVG 3 FT THICK
Comment (Workings): TEN OR MORE SHAFTS OVER DISTANCE OF 1485 FT, DRIFTS, STOPES
References
Reference (Production): BOWEN & GRAY 1957
Reference (Deposit): BOWEN, O. E., JR., GRAY, C. H., JR., 1957 , MINES AND MINERAL DEPOSITS OF MARIPOSA COUNTY, CALIFORNIA: CALIF. JOUR. MINES AND GEOLOGY, V. 53 , NOS. 1 AND 2 , P. 148 - 149 , 294
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.
