Chaix Mine

Past Producer in El Dorado county in California, United States with commodity Chromium
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. Ownership information
  16. Production statistics
  17. Workings at the site
  18. Links to other databases
  19. Bibliographic references
  20. Reporter information

Geologic information

Identification information

Deposit ID 10043720
MRDS ID M100631
Record type Site
Current site name Chaix Mine

Geographic coordinates

Geographic coordinates: -120.94935, 38.54518 (WGS84)
Relative position 15.5 MI SW OF PLACERVILLE, CA.

Site location context

Political divisions (FIPS codes)

El Dorado(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Latrobe(quadrangle 1:24,000 scale)

Placerville(quadrangle 1:100,000 scale)

Sacramento(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper Cosumnes(hydrologic unit)

San Joaquin(hydrologic accounting unit)

San Joaquin(hydrologic subregion)

California(hydrologic region)

Geographic areas

Country State County
United States California El Dorado

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 008N 009E 14 S2 OF NE California

Commodities

Commodity Importance
Chromium Critical Primary

Comments on the commodity information

  • ORE FROM NEARBY MURPHY DEPOSIT WAS 14% CR2O3, CR: FE RATIO 2.7.

Materials information

Materials Type of material
Uvarovite Ore

Alteration

  • (Local) Serpentinization

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Ultramafic Intrusive Rock > Pyroxenite
  • Host or associated Host
    Rock type Plutonic Rock > Ultramafic Intrusive Rock > Peridotite > Dunite
  • Host or associated Host
    Rock type Plutonic Rock > Ultramafic Intrusive Rock > Peridotite > Harzburgite
  • Host or associated Host
    Rock type Metamorphic Rock > Serpentinite

Nearby scientific data

(1) -120.94935, 38.54518

Economic information

Geologic structures

Type of structure Local
Structure description Small Faults In Ore Zone Displace Layers Of Ore Up To 3 Ft.

Ore body information

  • Strike N 15 E
    Dip 45 SE

Economic information about the deposit and operations

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

Mining district

District name Latrobe Area

Ownership information

  • Type Operator
    Owner David Chalmers And Thomas Davidson Under Contract From El Dorado Chrome Co.
    First year 1953
  • Type Owner
    Owner Egloff, Willard And Laura
    Home office Folsom, Ca

Production statistics

  • Year 1918
    Period 1915?-1918
    Material ORE
    Accuracy Estimate
    Description Cp_Grade: ^35% Cr2o3
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Cr2O3 Chromium Chromium 35wt-pct

Workings at the site

  • Type of workings Surface
    Overall depth 9.14M
    Overall length 91.44M
    Overall width 60.96M

Comments on the workings information

  • WORKINGS CONSIST OF AN OPEN PIT. (1953)

Reference information

Bibliographic references

  • Deposit

    STINSON, M.C., 1976, MINERAL PROPERTY REPORT, CDMG UNPUBLISHED REPORT.

  • Deposit

    CDMG BULL 134, PT. 3, CHPT. 4, P. 124

  • Deposit

    CJMG V. 52, NO. 4, PP. 385, 467

  • Production

    STINSON, 1976, CDMG UNPUBLISHED REPORT.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUL-1980 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.

Authoritative California resources

These are landing pages for further research — the state agencies don't currently expose per-mine deep links.