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  3. Mineral Resource Data System (MRDS)

Palomar

Past Producer 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. Materials information
  8. Host and associated rocks
  9. Nearby scientific data
  10. Ore body information
  11. Economic information about the deposit and operations
  12. Land status
  13. Production statistics
  14. Links to other databases
  15. Bibliographic references
  16. Reporter information

Geologic information

Identification information

Deposit ID 10101397
MRDS ID D000978
Record type Site
Current site name Palomar
Related records 10140928

Geographic coordinates

Geographic coordinates: -116.81752, 33.30005 (WGS84)
Relative position ON PROPERTY OF MENDEN HALL CATTLE CO.

Site location context

Political divisions (FIPS codes)

San Diego(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Palomar Observatory(quadrangle 1:24,000 scale)

Borrego Valley(quadrangle 1:100,000 scale)

Santa Ana(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

San Luis Rey-Escondido(hydrologic unit)

Laguna-San Diego Coastal(hydrologic accounting unit)

Southern California Coastal(hydrologic subregion)

California(hydrologic region)

Federal lands

Cleveland National Forest(National Forest)

National Forest FS(Type of land area)

FS(Federal land areas administered by FS)

Geographic areas

Country State County
United States California San Diego

Public Land Survey System information

Meridian Township Range Section Fraction State
San Bernardino 010S 002E 19 California

Comments on the location information

  • E 1/2, UTM EST.

Commodities

Commodity Importance
Tungsten Critical Primary

Materials information

Materials Type of material
Scheelite Ore

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Granite
  • Host or associated Host
    Rock type Metamorphic Rock > Schist

Nearby scientific data

(1) -116.81752, 33.30005
ListMap

Economic information

Ore body information

  • Thickness 0.91M

Comments on the geologic information

  • GEOL.DESC: SOIL AND ALLUVIUM COVER IS 3 TO 6 FT. DEEP. PLATY HORNFELS AND SCHIST NEAR GRANITE CONTACT.

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Production years 1943-1944

Land status

Ownership category National Forest

Production statistics

  • Year 1944
    Period - 1944
    Material ORE
    Accuracy Estimate
    Description Cp_Grade: ^1.5% Wo3
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    WO3 Ore Tungsten Tungsten 2wt-pct

Comments on the production information

  • FROM 250 TONS ORE

Comments on the workings information

  • 46 FT. SHAFT, TWO STUB. DRIFTS 15 FT. LONG.

Reference information

Bibliographic references

  • Deposit

    LEMMON, D.M.; TUNGSTEN DEPOSITS IN THE US; UNPUBLISHED DATA, P. 379-380.

  • Deposit

    LEMMON, D.M., AND TWETO, O.L., 1962, TUNGSTEN IN THE U.S., USGS MAP, MR-25.

  • Production

    LEMMON, D.M.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAY-1974 Elliott, James E. U.S. Geological Survey
Updater 01-JAN-1980 Fraticelli, L. A. (Albers, J.) U.S. Geological Survey PARSED HOST ROCK AND ASSOCIATED ROCK INFORMATION FROM OLD SINGLE VALUED FIELD TO NEW MULTIVALUED FIELD
Editor 09-JUN-1995 Mosier, Dan 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.