Little Valley Prospect

Prospect in Tooele county in Utah, United States with commodities Gold, Antimony, Thallium
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. Controls for ore emplacement
  14. Economic information about the deposit and operations
  15. Mining district
  16. Land status
  17. Ownership information
  18. Links to other databases
  19. Bibliographic references
  20. General comments
  21. Reporter information

Geologic information

Identification information

Deposit ID 10088973
MRDS ID RE00150
Record type Site
Current site name Little Valley Prospect

Geographic coordinates

Geographic coordinates: -112.60275, 40.07633 (WGS84)
Elevation 1981
Relative position 10,700 FEET N38W FROM RED PINE MOUNTAIN

Site location context

Political divisions (FIPS codes)

Tooele(county)

Utah(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Lookout Pass(quadrangle 1:24,000 scale)

Rush Valley(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

ST(Federal land areas administered by ST)

Geographic areas

Country State County
United States Utah Tooele

Public Land Survey System information

Meridian Township Range Section Fraction State
Salt Lake 008S 007W 35 NE OF NE OF SW Utah

Comments on the location information

  • LOCATION GIVEN IS THE DISCOVERY OUTCROP WHICH CONSISTS OF MINERALIZED JASPEROID ; INFO FROM LAND.ST :(1977)

Commodities

Commodity Importance
Gold Primary
Antimony Critical Primary
Thallium Primary

Comments on the commodity information

  • ANALYSIS SHOWS STRONG ENRICHMENT IN SB, TL, AND HG; TYPICAL OF A POTENTIAL AU- AND AG- BEARING EPITHERMAL SYSTEM

Materials information

Materials Type of material
Gold Ore
Parapierrotite Ore
Calcite Gangue
Hematite Gangue
Limonite Gangue
Quartz Gangue

Alteration

  • (Local) Silicification And Minor Bleaching

Analytical data

Result A SAMPLE CONTAINING PARAPIERROTITE WAS COLLECTED BY THE UGMS AND CONTAINED: 5 PPB AU, OVER 5000 PPB HG, LESS THAN 20 PPM BA, 21 PPM CU, 255 PPM PB, 186 PPM ZN, 8 PPM MO, LESS THAN 0.5 PPM AG, LESS THAN 1 PPM CO, 13 PPM NI, 166 PPM CR, 286 PPM MN, LESS THAN 10 PPM W, LESS THAN 5 PPM SE, LESS THAN 2 PPM BI, 210 PPM AS, OVER 2000 PPM SB, OVER 100 PPM TL

Host and associated rocks

  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Limestone
    Rock unit name Opex;
    Rock description Opex;
    Stratigraphic age (youngest) Late Cambrian

Economic information

Geologic structures

Type of structure Regional
Structure description Sevier Fold And Thrust Belt
Type of structure Local
Structure description North-South Striking Faults That Terminate To The South Against A Prominent Northwest-Striking Fault

Ore body information

  • General form TABULAR
    Strike NORTH-SOUTH
    Dip STEEP
    Length 1609.3M
    Depth to top 0M

Controls for ore emplacement

  • North-Trending Fractures

Economic information about the deposit and operations

Development status Prospect
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1987
Discoverer Robert And Terry Steele, Nephi, Utah

Mining district

District name Sheeprock Mountains Area

Land status

Ownership category State

Ownership information

  • Type Operator
    Owner Steele, Robert And Terry
  • Type Owner
    Owner Steele, Robert And Terry

Comments on the workings information

  • WORKINGS CONSIST OF ONE TINY DIGGING

Comments on development

  • JASPEROID OUTCROPS SEEN FROM TRUCK WHILE ON RECONNAISSANCE, ONE OUTCROP FOUND TO CONTAIN VISIBLE SULFIDE MINERALIZATION, OTHER OUTCROPS CONTAINED ANOMALOUS SB, TL, AND AU GEOCHEMICAL VALUES

Reference information

Bibliographic references

  • Deposit

    MOORE, W.J., AND SORENSEN, M.L., 1979, GEOLOGIC MAP OF THE TOOELE 1X2 QUADRANGLE, UTAH: USGS MISCELLANEOUS INVESTIGATIONS MAP I-1132, SCALE 1:250,000.

  • Deposit

    COHENOUR, R.E., 1959, SHEEPROCK MOUNTAINS, TOOELE AND JUAB COUNTIES, UTAH: UGMS BULL. 63, 201P.

  • Deposit

    EDENHARTER, A., AND PETERS, T., 1979, HYDROTHERMAL SYNTHESIS OF SULFOSALTS CONTAINING TL: Z. KRISTALLOGR., VOL. 150, NO. 1-4, PP. 169-180.

General comments

Subject category Comment text
Deposit DEPOSIT CONSISTS OF SULFIDE-BEARING JASPEROID. JASPEROID FORMED BY REPLACEMENT OF LIMESTONE ADJACENT TO NORTH STRIKING FAULTS AND FRACTURE ZONES. POD-LIKE DISTRIBUTION OF JASPEROID OVER A 1 MILE STRIKE LENGTH.
Deposit THE RARE MINERAL PARAPIERROTITE OCCURS AT THIS LOCALITY. IT WAS DISCOVERED BY X-RAY DIFFRACTION ANALYSIS BY STEVE AXON OF THE USBM, SALT LAKE CITY, UTAH. PARAPIERROTITE IS A THALLIUM-ANTIMONY SULFOSALT (TLSB5S8). ; INFO.SRC : 1 PUB LIT; 3 FIELD OBSERV

Reporter information

Type Date Name Affiliation Comment
Reporter 01-AUG-1987 Shubat, Michael A. Utah Geological and Mineral Survey

Beyond USGS

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