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  3. Mineral Resource Data System (MRDS)

Little Randsburg Prospect

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. Economic information about the deposit and operations
  11. Workings at the site
  12. Links to other databases
  13. Bibliographic references
  14. Reporter information

Geologic information

Identification information

Deposit ID 10035214
MRDS ID M022393
Record type Site
Current site name Little Randsburg Prospect

Geographic coordinates

Geographic coordinates: -116.11944, 32.65785 (WGS84)
Relative position 5 MILES NE OF JACUMBA

Site location context

Political divisions (FIPS codes)

San Diego(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

In-Ko-Pah Gorge(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

ST(Federal land areas administered by ST)

Geographic areas

Country State County
United States California San Diego

Public Land Survey System information

Meridian Township Range Section Fraction State
San Bernardino 017S 008E 25 California

Comments on the location information

  • SW 1/4, UTM ACC.

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 Plutonic Rock > Granitoid > Granite

Nearby scientific data

(1) -116.11944, 32.65785
ListMap

Economic information

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No

Comments on the production information

  • PRODUCTION REPORTED BY J. H. HUBBLE (PRESENT OWNER)

Workings at the site

  • Type of workings Surface/Underground
    Overall depth 3.05M

Comments on the workings information

  • 10 FT. SHAFT AND SHALLOW CUT

Reference information

Bibliographic references

  • Deposit

    WEBER, H.F., 1963; GEOLOGY AND MINERAL RESOURCES, SAN DIEGO, CA.; COUNTY REPT. 3; CA. DIV. OF MINES AND GEOLOGY, P. 277

  • Production

    WEBER, H.F.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JAN-1980 Fraticelli, L. A. (Albers, J.) 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.