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El Dorado Prospect

Past Producer in Tooele county in Utah, United States with commodities Lead, Silver, Copper
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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. Alteration
  9. Host and associated rocks
  10. Nearby scientific data
  11. Geologic structures
  12. Ore body information
  13. Economic information about the deposit and operations
  14. Mining district
  15. Land status
  16. Links to other databases
  17. Bibliographic references
  18. General comments
  19. Reporter information

Geologic information

Identification information

Deposit ID 10102139
MRDS ID DC15158
Record type Site
Current site name El Dorado Prospect
Alternate or previous names Desert Mining Co. Prospect

Geographic coordinates

Geographic coordinates: -113.28222, 40.16105 (WGS84)
Elevation 1506
Relative position APPROX. 1.5 MI. SE OF GPI-2.

Site location context

Political divisions (FIPS codes)

Tooele(county)

Utah(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Granite Peak(quadrangle 1:24,000 scale)

Wildcat Mountain(quadrangle 1:100,000 scale)

Tooele(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Southern Great Salt Lake Desert(hydrologic unit)

Great Salt Lake(hydrologic accounting unit)

Great Salt Lake(hydrologic subregion)

Great Basin(hydrologic region)

Federal lands

DOD(Federal land areas administered by DOD)

Geographic areas

Country State County
United States Utah Tooele

Public Land Survey System information

Meridian Township Range Section Fraction State
Salt Lake 008S 013W 02 SE OF NW Utah

Comments on the location information

  • THE AREA INCLUDES SILVERMAN, CHLORIDE CHIEF, SILVER POINT, AND SILVERMAN NO. 2 CLAIMS.

Commodities

Commodity Importance
Lead Primary
Silver Primary
Copper Primary

Comments on the commodity information

  • CARNOTITE COAT FRACTURE SURFACES AND CARBONIZED PLANT REMAINS.

Materials information

Materials Type of material
Fluorite Gangue
Quartz Gangue

Alteration

  • (Local) Mafic Dike Near The Vein Is Altered

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock
    Rock unit name Mafic Dike;Aplite, Pegmatite Dikes;Leucogranite
    Rock description Mafic Dike;Aplite, Pegmatite Dikes;Leucogranite
    Stratigraphic age (youngest) Pliocene
    Stratigraphic age (youngest) Pliocene
  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
  • Host or associated Host
    Rock type Plutonic Rock > Granitoid > Granite

Nearby scientific data

(1) -113.28222, 40.16105
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description Swarms Of Northeast-Striking Pegmatite Dikes
Type of structure Local
Structure description Numerous Aplite And Pegmatite Dikes

Ore body information

  • Strike N-S
    Dip STEEP-E

Comments on the geologic information

  • NEAR THE DOYLE SHAFT, CARNOTITE HAS REPLACED ORTHOCLASE FELDSPAR AND A KAOLINIZED RELIC OF A FORMER FELDSPAR CRYSTAL.
  • THE MAFIC DIKE STRIKES N-S AND DIPS STEEPLY EAST. THE VEIN IS CLOSELY ASSOCIATED WITH THE DIKE.

Economic information about the deposit and operations

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

Mining district

District name Granite Peak District

Land status

Ownership category Military Reservation

Comments on the production information

  • 2 TONS OF PB-AG-CU ORE

Comments on the workings information

  • WORKINGS CONSIST OF THE DOYLE SHAFT AND TWO SHALLOW SHAFTS.
  • TWO ADITS, TWO TUNNELS. FOWKES (1964, P. 109) REPORTED A SHAFT. BUTLER (1920, P. 462) REPORTED SEVERAL HUNDRED FEET OF DRIFTING, WITH NO LARGE ORE BODIES DISCOVERED.

Reference information

Bibliographic references

  • Deposit

    BULLOCK, K.C., 1976, FLUORITE OCCURRENCES IN UTAH: UTAH GEOL. AND MINERAL SURVEY BULLETIN 110, P. 77

  • Deposit

    BUTLER, B.S., AND OTHERS, 1920, THE ORE DEPOSITS OF UTAH: U.S. GEOLOGICAL SURVEY PROF. PAPER 111.

  • Deposit

    FOWKES, E.J., 1964, PEGMATITES OF GRANITE PEAK MOUNTAIN, TOOELE COUNTY, UTAH: BYU GEOLOGY STUDIES, VOL. 11, P. 97 -123.

  • Deposit

    PARK, G.M., 1968, SOME GEOCHEMICAL AND GEOCHRANOLOGIC STUDIES OF THE BERYLLIUM DEPOSITS IN WESTERN UTAH: UNPUBL. M.S. THESIS, UNIV. OF UTAH.

  • Production

    BUTLER, B.S., AND OTHERS, 1920, ORE DEPOSITS OF UTAH: U.S.G.S. PROF. PAPER 111

General comments

Subject category Comment text
Deposit THE VEIN IS PROMINENTLY BANDED.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-APR-1981 Unknown U.S. Geological Survey
Updater 01-SEP-1995 Messenger, Harold M. III U.S. Geological Survey

Beyond USGS

Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.

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