1. Mineral Resources
  2. Online Spatial Data
  3. Mineral Resource Data System (MRDS)

North Star

Occurrence in Imperial county in California, United States with commodities Gold, Tungsten
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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. Economic information about the deposit and operations
  12. Links to other databases
  13. Bibliographic references
  14. General comments
  15. Reporter information

Geologic information

Identification information

Deposit ID 10062397
MRDS ID TC35782
Record type Site
Current site name North Star
Related records 10163511

Geographic coordinates

Geographic coordinates: -115.95999, 32.6584 (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 JACUMBA WILDERNESS.

Commodities

Commodity Importance
Gold Tertiary
Tungsten Critical Tertiary

Materials information

Materials Type of material
Calcite Gangue
Diopside Gangue
Quartz Gangue

Analytical data

Result ANALYSIS OF 12 SAMPLES: 9 HAD NO MINERAL VALUE, 1 HAD 0.02 OZ/TON AU, 1.6% WO3. ANOTHER CHIP HAD 0.01% 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

Nearby scientific data

(1) -115.95999, 32.6584
ListMap

Economic information

Ore body information

  • General form LENSE
    Strike N20-55W
    Dip 20-75SW
    Thickness 2.13M
    Length 18.29M

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Significant No

Comments on the workings information

  • TEN PROSPECT PITS; 52 FT LONG ADIT IN BIOTITE SCHIST.

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 IRREGULAR ZONES

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.