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  3. Mineral Resource Data System (MRDS)

G.W.D. Mine

Past Producer in Monterey county in California, United States with commodity Mercury
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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. Host and associated rocks
  9. Nearby scientific data
  10. Geologic structures
  11. Ore body information
  12. Economic information about the deposit and operations
  13. Mining district
  14. Production statistics
  15. Links to other databases
  16. Bibliographic references
  17. General comments
  18. Reporter information

Geologic information

Identification information

Deposit ID 10040679
MRDS ID M055536
Record type Site
Current site name G.W.D. Mine
Related records 10140185

Geographic coordinates

Geographic coordinates: -120.4268, 35.95802 (WGS84)
Elevation 823
Relative position 4 MI N OF PARKFIELD

Site location context

Political divisions (FIPS codes)

Monterey(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Parkfield(quadrangle 1:24,000 scale)

Paso Robles(quadrangle 1:100,000 scale)

San Luis Obispo(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Estrella(hydrologic unit)

Central California Coastal(hydrologic accounting unit)

Central California Coastal(hydrologic subregion)

California(hydrologic region)

Federal lands

Bureau of Land Management(Bureau of Land Management CA)

Bureau of Land Management CA BLM(Type of land area)

BLM(Federal land areas administered by BLM)

Geographic areas

Country State County
United States California Monterey

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 023S 014E 02 California

Comments on the location information

  • E 1/2 SEC. 2

Commodities

Commodity Importance
Mercury Primary

Materials information

Materials Type of material
Cinnabar Ore

Host and associated rocks

  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate

Nearby scientific data

(1) -120.4268, 35.95802
ListMap

Economic information

Geologic structures

Type of structure Local
Structure description San Andreas Fault

Ore body information

  • Length 15.24M

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Production years 1937-1941

Mining district

District name Parkfield (Patriquin Area)

Production statistics

  • Year 1960
    Period To 1960
    Material HG
    Accuracy Estimate
    Description Cp_Grade: ^15 Lb/Ton
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Mercury Mercury 6776g/mt

Comments on the workings information

  • ORE BODY WITHIN LANDSLIDE MASS, SECONDARY ORE ZONES

Reference information

Bibliographic references

  • Deposit

    HART, E. W., 1966, MINES AND MINERAL RESOURCES OF MONTEREY COUNTY, CALIFORNIA: CDMG COUNTY REPORT 6.

  • Deposit

    HOLMES, G. W. JR., 1965, MERCURY IN CALIFORNIA: IN USBM IC 8252

  • Deposit

    BAILEY, E. H., U.S.G.S. PERSONAL FILES

  • Production

    USBM DATA

General comments

Subject category Comment text
Deposit ORE BODY WITHIN LANDSLIDE MASS

Reporter information

Type Date Name Affiliation Comment
Reporter 01-DEC-1975 Gassaway, Judith S. 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.