The Newman Cedar Mtn. Claim Or Mendenhall Mine is a chromium mine located in Alameda county, California at an elevation of 3,481 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: 3,481 Feet (1,061 Meters)
Commodity: Chromium
Lat, Long: 37.55389, -121.62417
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.
Newman Cedar Mtn. Claim Or Mendenhall Mine MRDS details
Site Name
Primary: Newman Cedar Mtn. Claim Or Mendenhall Mine
Commodity
Primary: Chromium
Location
State: California
County: Alameda
Land Status
Not available
Holdings
Not available
Workings
Not available
Ownership
Owner Name: S. V. Newman; Ralph F. Newman
Years: 1950 -
Production
Not available
Deposit
Record Type: Site
Operation Category: Producer
Operation Type: Unknown
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
Ore: Chromite
Comments
Comment (Deposit): ADD. REF. NO.4. OPERATED, WITH RECORDED PRODUCTION, 1953-57 (2782 LONG TONS IN 1954) - USBM MIN. YB, V. 3, 1953, P.195; 1954, P.198; 1955, P. 206; 1957, P.212. WAS BEING OPERATED BY PALO ALTO MNG. CORP CALIF. JOUR. MINES & GEOL. V. 51, NO. 4, P.377; 55TH REPORT OF STATE MINERALOGIST, P.159
Comment (Workings): NUMEROUS OPEN CUTS AND ADITS
Comment (Production): OWNED AND OPERATED BY MEMBERS OF MENDENHALL FAMILY AND S. V. NEWMAN; LEASED BY NOBLE ELECTRIC STEEL CO. IN 1916; LEASED BY J.W. CLARK AND D. MCDONALD 1917-1919. IDLE SINCE. SOME SACKED ORE REMAINED AT THE MINE IN 1936 BUT MINE HAD BEEN ABANDONED.TOTAL PRODUCTION PROBABLY BETWEEN 1,000 AND 1,500 LONG TONS OF CHROMITE ALTHOUGH AS MUCH AS 3000 LONG TONS OF ORE HAS BEEN REPORTED.NEARLY 400 LONG TONS OF ORE AVERAGING 47-51 PERCENT CR2O3 HAD BEEN MINED THROUGH 1885. PROBABLY THE OPEN PIT MINE SHOWN IN THE NE 1/4 SE 1/4 OF THE SEC. ON USGS QUAD. CEDAR MTN., CALIF., 1956
References
Reference (Deposit): CALIF JOUR. MINES & GEOL. V. 46, NO. 2, APRIL 1950, P. 287, 339, PL. 58
Reference (Deposit): DOM BULL. 134, PT. 2, CHAP. 2, P. 52, P.79, PL. 1
Reference (Deposit): DOM BULL 140, P.59, PL.1
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.