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Adobe Canyon Group Deposits

Past Producer in Stanislaus 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. Controls for ore emplacement
  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 10043420
MRDS ID M100174
Record type Site
Current site name Adobe Canyon Group Deposits
Alternate or previous names Mcguire Et Al. Deposits, Claims: Mountain View and Gray Fox

Geographic coordinates

Geographic coordinates: -121.40491, 37.40686 (WGS84)
Elevation 488

Site location context

Political divisions (FIPS codes)

Stanislaus(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Mount Boardman(quadrangle 1:24,000 scale)

San Jose(quadrangle 1:100,000 scale)

San Jose(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Panoche-San Luis Reservoir(hydrologic unit)

San Joaquin(hydrologic accounting unit)

San Joaquin(hydrologic subregion)

California(hydrologic region)

Geographic areas

Country State County
United States California Stanislaus

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 006S;006S;006S 005E;005E;005E 14;15;22 SW (14); SE (15); NE (22) California

Comments on the location information

  • LOCATED ON THE NE SIDE OF ADOBE CREEK.

Commodities

Commodity Importance
Chromium Critical Primary

Materials information

Materials Type of material
Chromite Ore

Alteration

  • (Local) Serpentinzation Of Dunite

Analytical data

Result LOW GRADE ORE CONTAINS 25 TO 40% CR2O3

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Ultramafic Intrusive Rock > Peridotite > Dunite
    Stratigraphic age (youngest) Late Jurassic
  • Host or associated Host
    Rock type Plutonic Rock > Ultramafic Intrusive Rock > Peridotite > Dunite
    Rock unit name Franciscan
    Rock description Franciscan

Nearby scientific data

(1) -121.40491, 37.40686
ListMap

Economic information

Ore body information

  • General form LENSE, IRREGULAR

Controls for ore emplacement

  • Shear Zone

Comments on the geologic information

  • CHROMITE DEPOSITS OCCUR IN AN ULTRAMAFIC BODY THAT TRENDS N70W, IS 8 MILES LONG AND 1.5 MILES WIDE.

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Year of first production 1918

Mining district

District name Del Puerto Area

Land status

Ownership category Private

Ownership information

  • Type Operator
    Owner West Coast Chrome Co.

Comments on the workings information

  • WORKINGS CONSISTED (1940) OF A NUMBER OF SHORT ADITS AND OPEN CUTS, NOW CAVED.

Reference information

Bibliographic references

  • Deposit

    WALKER, G.W. AND GRIGGS, A.B., 1953, GEOL. INVESTIGATIONS OF CHROMITE IN CALIF. : CALIF. DIVISION OF MINES BULLETIN 134, PART II, CHAPT. 2, P. 74, 75, 88.

  • Deposit

    STINSON, M.C., 1975, CALIF. DIVION OF MINES AND GEOLOGY MINERAL PROPERTY REPORT, UNPUBLISHED.

  • Production

    CDMG BULL 134, PT. 2, CHAPT. 2, P. 88

General comments

Subject category Comment text
Deposit DEPOSIT CONSISTS MOSTLY OF LOW GRADE ORE WITH SOME IRREGULAR MASSES OF HIGH GRADE ORE.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUL-1981 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.