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  3. Mineral Resource Data System (MRDS)

Mason Valley Mine

Prospect in San Diego county in California, United States with commodity Tungsten
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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. Nearby scientific data
  8. Economic information about the deposit and operations
  9. Land status
  10. Links to other databases
  11. Bibliographic references
  12. Reporter information

Geologic information

Identification information

Deposit ID 10116991
MAS/MILS ID 0060730842
Record type Site
Current site name Mason Valley Mine
Alternate or previous names Mason Valley Prospect, Two Bills Prospect

Geographic coordinates

Point of reference Pit
Geographic coordinates: -116.47834, 32.98786 (WGS84)
Location accuracy 5000(meters)

Site location context

Political divisions (FIPS codes)

San Diego(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Monument Peak(quadrangle 1:24,000 scale)

El Cajon(quadrangle 1:100,000 scale)

San Diego(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Salton Sea(hydrologic accounting unit)

Southern Mojave-Salton Sea(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 San Diego

Public Land Survey System information

Meridian Township Range Section Fraction State
San Bernardino 014 S 005 E 04 California

Comments on the location information

  • NOTE: THE NARRATIVE DESCRIPTION PLACES THIS PROSPECT IN T. 14 S., RATHER THAN IN T. 13 S., AS REPORTED. THE LOCATION OF THIS RECORD IS PLOTTED AT THE END OF A JEEP ROAD IN SEC. 4, T. 14 S., R. 5 E.

Commodities

Commodity Importance
Tungsten Critical Primary

Nearby scientific data

Pit (1) -116.47834, 32.98786
ListMap

Economic information

Economic information about the deposit and operations

Operation type Surface
Development status Prospect
Commodity type Metallic
Significant No

Land status

Ownership category State Park

Reference information

Bibliographic references

  • Deposit

    U.S. BUREAU OF MINES FILES (WFOC).

Reporter information

Type Date Name Affiliation Comment
Reporter 01-FEB-1994 Ridenour, James 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.