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North End 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. Geologic structures
  12. Ore body information
  13. Economic information about the deposit and operations
  14. Mining district
  15. Land status
  16. Ownership information
  17. Links to other databases
  18. Bibliographic references
  19. General comments
  20. Reporter information

Geologic information

Identification information

Deposit ID 10043704
MRDS ID M100609
Record type Site
Current site name North End Claim, Ziehlke Claims Group 1948
Alternate or previous names Grassely Claims 1918

Geographic coordinates

Geographic coordinates: -120.50294, 37.90853 (WGS84)
Elevation 320
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 SW California

Comments on the location information

  • 1:24000 QUADRANGLE MAP IS A 1962 EDITION

Commodities

Commodity Importance
Chromium Critical Primary

Materials information

Materials Type of material
Chromite Ore

Alteration

  • (Local) Partial To Complete Serpentinization Of Host Rock

Analytical data

Result ORE AVERAGED 45% CR2O3

Host and associated rocks

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

Nearby scientific data

(1) -120.50294, 37.90853
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description Nw Trending Bear Mountain Fault Zone
Type of structure Local
Structure description Ore Zone Cut Off By A Fault At Its Nw End.

Ore body information

  • General form PODS
    Strike N 40 W
    Dip 80 S
    Thickness 1.5M
    Length 75M
    Width 12M

Comments on the geologic information

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

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Year of first production 1917
Year of last production 1943

Mining district

District name Peoria Flat Area

Land status

Ownership category Private

Ownership information

  • Type Owner
    Owner Martha L. Price And Melvin M. Laughlin,
    Home office 2939 Wallace Ave. Stockton, Ca. 95204

Comments on the production information

  • ABOVE PRODUCTION IS FROM THE NORTH END, WEST END AND SPOTTED FAWN CLAIMS IN THE ZIEHLKE GROUP.

Comments on the reserve resource information

  • CDMG BULL 134, PT. 3, CHAPT. 1, P. 26

Comments on the workings information

  • WORKINGS CONSISTED OF A TUNNEL, 72 M LONG, ARAISE FROM THE TUNNEL TO THE SURFACE AND A SHALLOW TRENCH.

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. 25, 26.

  • Production

    STINSON, 1975, CDMG PIOPERTY REPORT UNPUBLISHED

General comments

Subject category Comment text
Deposit PODS CONTAINING CHROMITE ARE ALIGNED APPROX. PARALLEL TO THE TREND OF THE SERPENTINE BELT.

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.