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Newman Cedar Mtn. Claim Or Mendenhall Mine

Producer in Alameda county in California, United States with commodity Chromium
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Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Public Land Survey System information
  6. Commodities
  7. Materials information
  8. Nearby scientific data
  9. Economic information about the deposit and operations
  10. Ownership information
  11. Links to other databases
  12. Bibliographic references
  13. General comments
  14. Reporter information

Geologic information

Identification information

Deposit ID 10109089
MRDS ID M004718
Record type Site
Current site name Newman Cedar Mtn. Claim Or Mendenhall Mine

Geographic coordinates

Geographic coordinates: -121.6252, 37.5538 (WGS84)
Elevation 1061
Relative position SW 1/4 SE 1/4 NEAR SUMMIT CEDAR MTN.

Site location context

Political divisions (FIPS codes)

Alameda(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Mendenhall Springs(quadrangle 1:24,000 scale)

Stockton(quadrangle 1:100,000 scale)

San Jose(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

San Francisco Bay(hydrologic unit)

San Francisco Bay(hydrologic accounting unit)

San Francisco Bay(hydrologic subregion)

California(hydrologic region)

Geographic areas

Country State County
United States California Alameda

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 004S 003E 26 California

Commodities

Commodity Importance
Chromium Critical Primary

Materials information

Materials Type of material
Chromite Ore

Nearby scientific data

(1) -121.6252, 37.5538
ListMap

Economic information

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Significant No
Discovery year 1882

Ownership information

  • Type Owner
    Owner S. V. Newman; Ralph F. Newman
    First year 1950

Comments on the production information

  • 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

Comments on the workings information

  • NUMEROUS OPEN CUTS AND ADITS

Reference information

Bibliographic references

  • Deposit

    CALIF JOUR. MINES & GEOL. V. 46, NO. 2, APRIL 1950, P. 287, 339, PL. 58

  • Deposit

    DOM BULL. 134, PT. 2, CHAP. 2, P. 52, P.79, PL. 1

  • Deposit

    DOM BULL 140, P.59, PL.1

General comments

Subject category Comment text
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

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUN-1972 Gere, W. U.S. Geological Survey

Beyond USGS

Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.

Maps centered on this site

Authoritative California resources

These are landing pages for further research — the state agencies don't currently expose per-mine deep links.