1. Mineral Resources
  2. Online Spatial Data
  3. Mineral Resource Data System (MRDS)

Walker Mine

Unknown in Calaveras county in California, United States with commodities Chromium, Iron
Map
XML
JSON
KML
C
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. Land status
  13. Links to other databases
  14. Bibliographic references
  15. General comments
  16. Reporter information

Geologic information

Identification information

Deposit ID 10283932
MRDS ID M005999
MAS/MILS ID 0060090407
Record type Site
Current site name Walker Mine
Alternate or previous names Chaparral, Brushy Hill
Related records 10028797

Geographic coordinates

Point of reference Main Entrance
Geographic coordinates: -120.64161, 38.02461 (WGS84)
Elevation 488
Location accuracy 1000(meters)

Site location context

Political divisions (FIPS codes)

Calaveras(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Salt Spring Valley(quadrangle 1:24,000 scale)

San Andreas(quadrangle 1:100,000 scale)

Sacramento(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 Calaveras

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 002 N 012 E 15 E2 California

Commodities

Commodity Importance
Chromium Critical Primary
Iron Tertiary

Materials information

Materials Type of material
Chromite Unknown

Nearby scientific data

Main Entrance (1) -120.64161, 38.02461
ListMap

Economic information

Ore body information

  • Strike S00E
    Dip 00W
    Field Value
    Type of Orebody #1 DISSEMINATED
    Type of Orebody #2 OTHER
    Primary mode of Origin MAGMATIC DIFFER
    Primary Ore Control LITHOLOGY
    Degree of Wallrock Alter. INTENSE
    Type of Wallrock Alter. #1 CARBONITIZATION
    Strike And Dip S00E:00W
    Date of Last Modification 820823

Economic information about the deposit and operations

Operation type Underground
Commodity type Metallic
Significant No
Discovery year 1917

Mining district

District name Black Creek Area

Land status

Ownership category Unknown

Reference information

Bibliographic references

  • Deposit

    CATER F.W.JR, 1948, CDM AND G BULL 134, PT 3, CHAP 2, P47

  • Deposit

    AND PLATE 5.

  • Deposit

    BRADELY, W., ET AL, 1918, CAL STATE MINING BULL 76, P123.

  • Deposit

    CALAVERAS COUNTY REPORT NO.2, P22, 130 AND PL D.

  • Deposit

    USGS MAP GQ-222.

General comments

Subject category Comment text
Deposit THE RECORDED PRODUCTION FOR THIS MINE IS 71 LONG TONS OF CHROMITE. INSUFFICIENT DATA FOR MATRIX CALCULATIONS.

Reporter information

Type Date Name Affiliation Comment
Reporter 22-MAY-1986 Hayashi U.S. Bureau of Mines

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.