The Cedar Mountain Mine is a mine located in Alameda county, California at an elevation of 3,510 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: 3,510 Feet (1,070 Meters)
Commodity:
Lat, Long: 37.5575, -121.61190
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.
Cedar Mountain Mine MRDS details
Site Name
Primary: Cedar Mountain Mine
Secondary: Mendenhall Chrome Mines
Secondary: Mendenhall No. 1
Secondary: Newman Mine
Secondary: Mendenhall Mine
Commodity
Tertiary: Iron
Tertiary: Chromium
Location
State: California
County: Alameda
District: Cedar Mountain District
Land Status
Land ownership: Private
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
Type: Fee Ownership
Workings
Type: Surface
Ownership
Owner Name: Gerard M. And Marie T. Lafon May Own portion Of Mine Area
Home Office: California
Info Year: 1976
Owner Name: Vernon E. And Dorothy Rose
Percent: 100.0
Home Office: California
Info Year: 1976
Production
Not available
Deposit
Record Type: Site
Operation Category: Past Producer
Operation Type: Surface-Underground
Mining Method: Unknown
Year First Production: 1885
Discovery Year: 1882
Years of Production:
Organization:
Significant: N
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
Not available
Materials
Unknown: Chrysotile
Unknown: Chromite
Unknown: Chlorite
Unknown: Antigorite
Unknown: Uvarovite
Comments
Comment (Deposit): SIGNIFICANT PRODUCTION FROM THIS MINE 1953-1956 ALTHOUGH NO DATA ON RESERVES IS AVAILABLE RESERVES PROBABLY CONCENTRATES 1953-1956 RAN 43.3 TO 51.3 PERCENT CR2O3 11.7 T PERCENT FE AND 2.5 TO 3.0 CR TO FE RATIO: INSUFFICIENT DATA MATRIX CALCULATIONS ANALYSIS BY CDMG IN 1976 GAVE FOLLOWING PERCENTAGES-MASSIVE 2 18.50,CR2O3 36.54,FEO 09.62,TOTAL FE 12.87,AL203 05.80,MGO CR/FE 2.50.
References
Reference (Deposit): USGS BULL 430 1910 CHROMITE IN CALIFORNIA PP 173-174
Reference (Deposit): CDMG 17TH REPT OF STATE MINEROLOGIST 1920 P 21
Reference (Deposit): CDMG 11TH REPT OF STATE MINERALOGIST 1893 P.122
Reference (Deposit): CDMG BULL 134 PT 2 CHAP 2 1953,ALAMEDA COUNTY P.52
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.
