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  3. Mineral Resource Data System (MRDS)

Unnamed Prospect

Past Producer in Imperial county in California, United States with commodities Tungsten, Garnet
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Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Commodities
  6. Materials information
  7. Mineral occurrence model information
  8. Host and associated rocks
  9. Nearby scientific data
  10. Ore body information
  11. Controls for ore emplacement
  12. Economic information about the deposit and operations
  13. Workings at the site
  14. Links to other databases
  15. Bibliographic references
  16. General comments
  17. Reporter information

Geologic information

Identification information

Deposit ID 10062394
MRDS ID TC35778
Record type Site
Current site name Unnamed Prospect

Geographic coordinates

Geographic coordinates: -115.98554, 32.65479 (WGS84)

Site location context

Political divisions (FIPS codes)

Imperial(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Coyote Wells(quadrangle 1:24,000 scale)

El Centro(quadrangle 1:100,000 scale)

El Centro(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 Imperial

Comments on the location information

  • IN THE JACUMBA WILDERNESS.

Commodities

Commodity Importance
Tungsten Critical Primary
Garnet Tertiary

Materials information

Materials Type of material
Garnet Ore
Scheelite Ore
Tremolite Ore

Analytical data

Result TWO SAMPLES OF SKARN: 0.43% WO3, 1.46% WO3. FOUR OTHER SAMPLES HAD <0.1% WO3.

Mineral occurrence model information

Model code 42
USGS model code 14a
Deposit model name W skarn

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Tonalite
    Stratigraphic age (youngest) Late Cretaceous
  • Host or associated Host
    Rock type Metamorphic Rock > Schist
  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Limestone

Nearby scientific data

(1) -115.98554, 32.65479
ListMap

Economic information

Ore body information

  • General form LENSE
    Length 19.81M
    Width 1.22M

Controls for ore emplacement

  • Contact Zone

Economic information about the deposit and operations

Development status Past Producer
Commodity type Both
Significant No

Workings at the site

  • Type of workings Surface
    Overall depth 2.44M
    Overall length 18.59M
  • Type of workings Surface
    Overall length 7.62M

Comments on the workings information

  • 1) TRENCH, 2) INCLINE S80W

Reference information

Bibliographic references

  • Deposit

    TODD, V.R., KILBURN, J.E., DETRA, D.E., GRISCOM, ANDREW, KRUSE, F.A., AND MCHUGH, E.L., 1987, MINERAL RESOURCES OF THE JACUMBA (IN-KO-PAH) WILDERNESS STUDY AREA, IMPERIAL COUNTY, CALFORNIA: U.S. GEOLOGICAL SURVEY BULL. 1711-D, 15 P

  • Other Database

    CIMRI

General comments

Subject category Comment text
Deposit FINE TO MEDIUM GRAINED DIOPSIDE-TREMOLITE-GARNET SKARN ALONG CONTACT BETWEEN TONALITE AND BIOTITE SCHIST. SCHEELITE DISSEMINATED IN BLOCKS 0.5 INCHES ACROSS AND IN STRINGERS 0.25 INCHES THICK AND 3 INCHES LONG.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-FEB-1993 Gray, Floyd U.S. Geological Survey
Updater 01-JUL-1993 Orris, Greta J. 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.