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

Crown Uranium Prospect

Past Producer in Imperial county in California, United States with commodities Talc-Soapstone, Uranium
Map
XML
JSON
KML
C
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. Mining district
  12. Links to other databases
  13. Bibliographic references
  14. General comments
  15. Reporter information

Geologic information

Identification information

Deposit ID 10064350
MRDS ID TC38696
Record type Site
Current site name Crown Uranium Prospect

Geographic coordinates

Geographic coordinates: -114.93636, 33.08646 (WGS84)
Relative position 10 MI SW OF MIDWAY WELL.

Site location context

Political divisions (FIPS codes)

Imperial(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Ninemile Wash(quadrangle 1:24,000 scale)

Trigo Mountains(quadrangle 1:100,000 scale)

Salton Sea(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 Imperial

Public Land Survey System information

Meridian Township Range Section Fraction State
San Bernardino 12S 19E 36 NW California

Commodities

Commodity Importance
Talc-Soapstone Primary
Uranium Tertiary

Materials information

Materials Type of material
Torbernite Ore
Fluorite Gangue
Gypsum Gangue
Iron Gangue
Pyrophyllite Unknown

Analytical data

Result ATOMIC ENERGY COMMISSION SAMPLES PLACE U CONTENT AT 0.293%.

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock
  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock > Quartzite

Nearby scientific data

(1) -114.93636, 33.08646
ListMap

Economic information

Comments on the geologic information

  • CONTACT OF QUARTZITE AND SERICITE SCHIST IS A EW VERTICAL FAULT; BASIC DIKE IS ADJACENT TO CONTACT AND MOSTLY IN QUARTZITE AT SURFACE.

Economic information about the deposit and operations

Development status Past Producer
Commodity type Both
Significant No

Mining district

District name Paymaster

Comments on the production information

  • 1000 TONS OF MATERIAL (PYROPHYLLITE FOR USE IN INSECTICIDE CARRIER).

Comments on the workings information

  • BENCH CUT 80 FT LONG, 30 FT WIDE, 10-15 FT HIGH AND SEVERAL SMALLER CUTS; VERTICAL SHAFT CONNECTING WITH A W DRIVEN DRIFT-ADIT.

Reference information

Bibliographic references

  • Deposit

    MORTON, P.K., 1977, GEOLOGY AND MINERAL RESOURCES OF IMPERIAL COUNTY, CALIFORNIA: CAL. DIV. MINES AND GEOLOGY, COUNTY REPORT NO. 7, P. 97

  • Other Database

    CIMRI

General comments

Subject category Comment text
Deposit URANIUM OCCURS IN PYROPHYLLITE RICH ZONE WITHIN A QUARTZITE 50-100 FT E OF A BASIC DIKE AND 50-100 FT N OF A QUARTZITE-SCHIST CONTACT.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUN-1993 Unkefer, Jason 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.