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Newman Mine

Past 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. Host and associated rocks
  9. Nearby scientific data
  10. Ore body information
  11. Economic information about the deposit and operations
  12. Mining district
  13. Ownership information
  14. Workings at the site
  15. Links to other databases
  16. Bibliographic references
  17. General comments
  18. Reporter information

Geologic information

Identification information

Deposit ID 10048014
MRDS ID M700411
Record type Site
Current site name Newman Mine
Alternate or previous names Douglas

Geographic coordinates

Geographic coordinates: -120.62239, 37.55798 (WGS84)
Elevation 1036
Relative position APPROXIMATELY 13 MILES SE OF LIVERMORE, CA.

Site location context

Political divisions (FIPS codes)

Stanislaus(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Turlock Lake(quadrangle 1:24,000 scale)

Oakdale(quadrangle 1:100,000 scale)

San Jose(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Lower San Joaquin River(hydrologic unit)

San Joaquin(hydrologic accounting unit)

San Joaquin(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;004S;004S 003E;003E;003E 26;26;26 SE OF SW OF NW California

Comments on the location information

  • WORKINGS ON E-W RIDGE ABOUT 1 MILE WEST OF CEDAR MTN. PEAK.

Commodities

Commodity Importance
Chromium Critical Primary

Comments on the commodity information

  • CONCENTRATES SHIPPED 1954

Materials information

Materials Type of material
Chromite Ore

Analytical data

Result CONCENTRATES AVERAGED 49.8% CR2O3
Result 13.5% FE
Result CR/FE 2.5.

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Serpentinite

Nearby scientific data

(1) -120.62239, 37.55798
ListMap

Economic information

Ore body information

  • General form IRREGULAR

Comments on the geologic information

  • A NEARLY CIRCULAR MASS OF SERPENTINIZED ULTRAMAFIC ROCK, ABOUT A MILE IN DIAMETER, OCCUR ON CEDAR MOUNTAIN.

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1885
Year of first production 1885
Year of last production 1954

Mining district

District name Cedar Mountain Area

Ownership information

  • Type Operator
    Owner Palo Alto Mining Corp., Campbell, Ca.
    First year 1954
  • Type Owner
    Owner Woodsworth, F.
    Home office P. O. Box 2165, Redwood City, Ca 94064

Workings at the site

  • Type of workings Surface
    Overall length 91.44M
    Overall width 60.96M

Comments on the workings information

  • WORKINGS CONSISTED OF A LARGE OPEN PIT. (1975)

Reference information

Bibliographic references

  • Deposit

    WALKER, G.W. AND GRIGGS, A.B., 1953, GEOL. INVESTIGATIONS OF CHROMITE IN CALIF.: CDMG BULL. 134, PART II, CHAPT. 2, P. 52.

  • Deposit

    STINSON, M.C., 1975, CDMG MINERAL PROPERTY REPORT, UNPUBLISHED.

  • Production

    CDMG MINERAL PROPERTY REPORT, UNPUBLISHED.

General comments

Subject category Comment text
Deposit ORE OCCURS IN IRREGULAR LENTICULAR POCKETS AND STRINGERS.
Deposit Discovery Year: 1880'S
Deposit TOTAL PRODUCTION RANGED FROM 2000 TO 5000 TONS. ; INFO.SRC : 1 PUB LIT; 2 UNPUB REPT

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JAN-1982 Oster, Karel L. (Albers, John P.) 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.