The Rocky Ridge is a gold mine located in Placer county, California at an elevation of 781 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: 781 Feet (238 Meters)
Commodity: Gold
Lat, Long: 38.8925, -121.11139
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.
Rocky Ridge MRDS details
Site Name
Primary: Rocky Ridge
Commodity
Primary: Gold
Location
State: California
County: Placer
District: Ophir
Land Status
Not available
Holdings
Not available
Workings
Not available
Ownership
Owner Name: R. L. Mooney
Years: 1935 -
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
Gangue: Quartz
Comments
Comment (Deposit): ADJOINS MORNING STAR CLAIM TO WEST. BOTH COMPOSE 35 ACRES. ; INFO.SRC : 1 PUB LIT
Comment (Location): UTM ACC NW 1/4 , SE 1/4 , NW 1/4
Comment (Deposit): VEINS
Comment (Workings): SHAFTS
References
Reference (Deposit): LINDGREN, W., 1894 , THE GOLD-SILVER VEINS OF OPHIR, CALIFORNIA: 14TH ANNUAL REPORT OF THE UNITED STATES GEOLOGICAL SURVEY, PART 2 , P. 26 .
Reference (Deposit): WARING, CLARENCE A., 1917 , PLACER COUNTY: REPORT 15 OF THE STATE MINERALOGIST, CALIFORNIA STATE MINING BUREAU, PL. FACING P. 318 .
Reference (Deposit): LOGAN, C. A., 1936 , GOLD MINES OF PLACER COUNTY, CALIFORNIA: CALIFORNIA JOURNAL OF MINES AND GEOLOGY, V. 32 , NO. 1 , P. 46 .
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.