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Eggling and Williams Mines

Past Producer in Tuolumne 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. Links to other databases
  15. Bibliographic references
  16. Reporter information

Geologic information

Identification information

Deposit ID 10043700
MRDS ID M100603
Record type Site
Current site name Eggling and Williams Mines

Geographic coordinates

Geographic coordinates: -120.45017, 37.87492 (WGS84)
Elevation 344
Relative position APPROX 1.5 K W OF CHINESE CAMP, CA.

Site location context

Political divisions (FIPS codes)

Tuolumne(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Chinese Camp(quadrangle 1:24,000 scale)

Oakdale(quadrangle 1:100,000 scale)

San Jose(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper Tuolumne(hydrologic unit)

San Joaquin(hydrologic accounting unit)

San Joaquin(hydrologic subregion)

California(hydrologic region)

Geographic areas

Country State County
United States California Tuolumne

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 001S 014E 04, 05, 08, 09 SW (04); SE (05); NW (08); NW (09) California

Comments on the location information

  • THE MINES ARE SCIHERED ALONG A LOWHILL AND THE BANKS OF A SMALL, INTERMITTENT STREAM.

Commodities

Commodity Importance
Chromium Critical Primary

Materials information

Materials Type of material
Chromite Ore

Analytical data

Result ORE AVERAGED 39% CR2O3

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
    Stratigraphic age (youngest) Late Cretaceous
    Stratigraphic age (youngest) Late Jurassic
  • Host or associated Host
    Rock type Metamorphic Rock > Serpentinite

Nearby scientific data

(1) -120.45017, 37.87492
ListMap

Economic information

Ore body information

  • General form POD
  • General form POD

Comments on the geologic information

  • THE MINES ARE LOCATED IN THE WESTERN MOST OF TWO SERPONTINE BELTS THAT TREND NW ACROSS THE COUNTY AND INTRUDE PRE-CRETACEOUS METAVOLC. ROCKS OF THE AMADOS GROUP.

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Year of first production 1900
Year of last production 1917

Mining district

District name Chinese Camp Area

Ownership information

  • Type Owner
    Owner Eichelberger, William V.
    Home office P.O. Box 88, Jamestown, Ca. 95327.

Comments on the workings information

  • WORKINGS CONSISTED OF A 12 M SHAFT WITH A 5 M DRIFT AT ITS FOOT, 2 SHAFTS WITH DEPTHS OF APPROX. 19M, A DRIFT OF UNKNOWN LENGTH AND AT LEAST 4 OPEN CUTS.

Comments on development

  • DEPOSIT PROBABLY MINED OUT.

Reference information

Bibliographic references

  • Deposit

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

  • Deposit

    CATER, F.W. JR., 1948, CDMG BULL 134, PART 3, CHAPT. 1, P. 18, 19

  • Production

    STINSON, 1975, CDMG MINERAL PROPORTY REPORT, UNPUBLISHED

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUL-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.