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Spotted Fawn Claim, Ziehlke Claims Group 1948

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

Geologic information

Identification information

Deposit ID 10077870
MRDS ID W025934
Record type Site
Current site name Spotted Fawn Claim, Ziehlke Claims Group 1948
Alternate or previous names U.S.A. Mine 1918
Related records 10165998

Geographic coordinates

Geographic coordinates: -120.50544, 37.90686 (WGS84)
Elevation 305
Relative position APPROX. 14 M SW OF SONORA, CA.

Site location context

Political divisions (FIPS codes)

Tuolumne(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

New Melones Dam(quadrangle 1:24,000 scale)

Oakdale(quadrangle 1:100,000 scale)

San Jose(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper Stanislaus(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 001N 013E 25 California

Comments on the location information

  • CLAIM LIES ABOUT 100 FT E OF A FORK OF PEORIA CREEK.; PREVIOUS QUAD DESIGNATION = SAN JOSE 1:250000

Commodities

Commodity Importance
Chromium Critical Primary

Materials information

Materials Type of material
Chromite Ore

Alteration

  • (Local) Serpentinization Of Host Rock.

Analytical data

Result ORE CONTAINS APPROX. 65 % CR2O3

Host and associated rocks

  • Host or associated Host
    Rock type Plutonic Rock > Ultramafic Intrusive Rock > Peridotite > Dunite
    Stratigraphic age (youngest) Late Jurassic

Nearby scientific data

(1) -120.50544, 37.90686
ListMap

Economic information

Ore body information

  • General form LENSE
    Strike N70E
    Dip 70 SW
    Length 33.53M
    Width 1.22M

Comments on the geologic information

  • THE DEPOSIT OCCURS IN THE NORTHERN PART OF THE WESTERNMOST OF TWO SERPENTINE BELTS THAT TREND NW ACROSS THE COUNTY. THE BELT IS EXPOSED OVER AN AREA OF 30KM BY 6KM.

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Peoria Flat Area

Land status

Ownership category Private

Ownership information

  • Type Owner
    Owner J. Zielke
    First year 1948

Comments on the production information

  • FOR PRODUCTION, SEE RECORD NO. M100609.

Comments on the workings information

  • WORKINGS CONSIST OF AN OPEN CUT 120 FT BY 10 FT BY 5FT, AND A TUNNEL 20 FT LONG AT THE EAST END OF THE CUT.

Reference information

Bibliographic references

  • Deposit

    CATER, F.W.JR., 1948, CDMG BULL 134, PART 3, CHAPT.1P.25, 26

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.