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  3. Mineral Resource Data System (MRDS)

Sommer's Prospect

Occurrence 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. Host and associated rocks
  8. Nearby scientific data
  9. Controls for ore emplacement
  10. Economic information about the deposit and operations
  11. Mining district
  12. Ownership information
  13. Links to other databases
  14. Bibliographic references
  15. Reporter information

Geologic information

Identification information

Deposit ID 10040678
MRDS ID M055535
Record type Site
Current site name Sommer's Prospect
Alternate or previous names S & S
Related records 10140157

Geographic coordinates

Geographic coordinates: -120.43514, 35.96163 (WGS84)
Elevation 902
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)

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

  • NW/4 SEC. 2

Commodities

Commodity Importance
Mercury Tertiary

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Serpentinite
  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate

Nearby scientific data

(1) -120.43514, 35.96163
ListMap

Economic information

Controls for ore emplacement

  • Weakly Mineralized Fault

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Parkfield (Patriquin Area)

Ownership information

  • Type Owner
    Owner L. J. Sommer
    First year 1942

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

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.

External references

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.