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Gas Canyon Claim, Farmer Property

Past Producer in Placer 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. Nearby scientific data
  9. Ore body information
  10. Economic information about the deposit and operations
  11. Mining district
  12. Ownership information
  13. Production statistics
  14. Links to other databases
  15. Bibliographic references
  16. General comments
  17. Reporter information

Geologic information

Identification information

Deposit ID 10032078
MRDS ID M012252
Record type Site
Current site name Gas Canyon Claim, Farmer Property
Related records 10115583

Geographic coordinates

Geographic coordinates: -120.91936, 38.97628 (WGS84)
Elevation 533

Site location context

Political divisions (FIPS codes)

Placer(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Greenwood(quadrangle 1:24,000 scale)

Placerville(quadrangle 1:100,000 scale)

Sacramento(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

North Fork American(hydrologic unit)

Lower Sacramento(hydrologic accounting unit)

Sacramento(hydrologic subregion)

California(hydrologic region)

Federal lands

USBR(Federal land areas administered by USBR)

Geographic areas

Country State County
United States California Placer

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 013N 009E 13 E2 OF NW California

Commodities

Commodity Importance
Chromium Critical Primary

Materials information

Materials Type of material
Chromite Ore
Uvarovite Gangue

Analytical data

Result AVG. 34 % CR2O3

Nearby scientific data

(1) -120.91936, 38.97628
ListMap

Economic information

Ore body information

  • General form POD

Comments on the geologic information

  • GEOL.DESC: NEARLY VERTICAL, CHIMNEYLIKE ORE BODY. AT THE 10-FT. LEVEL IN THE SHAFT THE ORE BODY HAD A CROSS SECTION MEASURING 4 FT. BY 6 FT., WITH THE LONGER AXIS OF THE SECTION ORIENTED ALMOST DUE EAST. A LITTLE UVAROVITE WAS PRESENT IN THE ORE.

Economic information about the deposit and operations

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

Mining district

District name Gas Canyon Area

Ownership information

  • Type Operator
    Owner R. H. Farmer
    First year 1918
  • Type Owner
    Owner Walsh And Hall ; R. H. Farmer
    First year 1918
    Last year 1918

Production statistics

  • Year 1918
    Period 1917-1918
    Material ORE CR
    Accuracy Estimate
    Description Cp_Grade: ^Avg. 34% Cr2o3
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Cr2O3 Chromium Chromium 34wt-pct

Comments on the workings information

  • WORKINGS CONSISTED OF A SHAFT 10 FT DEEP.

Reference information

Bibliographic references

  • Deposit

    DOM BULL. 134, PT. 3, CHAP. 5, P. 230, PL. 13

  • Deposit

    DOM BULL. 76, P. 160-161

  • Deposit

    SOUTHERN PACIFIC CO., MINERALS FOR INDUSTRY, NORTHERN CALIFORNIA, V. 2, P. 13-15

  • Production

    CDMG BULL 134, PT. 3, CHAPT. 5, P. 201

General comments

Subject category Comment text
Deposit DEPOSIT CONSISTED OF A VERTICAL, CHIMNEY SHAPED ORE BODY WITH A CROSS SECTION MEASURING 4 FT BY 6 FT AT THE 10 FT LEVEL IN THE SHAFT, AND THE LONGER AXIS OF THE SECTION ORIENTED ALMOST DUE EAST.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUN-1973 Gere, W. U.S. Geological Survey
Updater 01-JAN-1983 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.