Lead Pit Prospect

Prospect in Juab county in Utah, United States with commodities Lead, Silver
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. Ownership information
  17. Links to other databases
  18. Bibliographic references
  19. General comments
  20. Reporter information

Geologic information

Identification information

Deposit ID 10055193
MRDS ID RE00259
Record type Site
Current site name Lead Pit Prospect

Geographic coordinates

Geographic coordinates: -112.90803, 39.82716 (WGS84)
Elevation 1618
Relative position 12,000 FEET N20W OF KEG SPRING

Site location context

Political divisions (FIPS codes)

Juab(county)

Utah(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Keg Pass(quadrangle 1:24,000 scale)

Lynndyl(quadrangle 1:100,000 scale)

Delta(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

Bureau of Land Management(Bureau of Land Management UT)

Bureau of Land Management UT BLM(Type of land area)

BLM(Federal land areas administered by BLM)

Geographic areas

Country State County
United States Utah Juab

Public Land Survey System information

Meridian Township Range Section Fraction State
Salt Lake 011S 009W 31 NE OF NW OF NW Utah

Commodities

Commodity Importance
Lead Primary
Silver Primary

Comments on the commodity information

  • A POLISHED SLAB SHOWED ONLY GALENA AND A TRACE PYRITE PRESENT, SUGGESTING THAT AG IS IN GALENA.

Materials information

Materials Type of material
Galena Ore
Calcite Gangue
Pyrite Gangue
Quartz Gangue

Alteration

  • (Local) Intense Propylitic Alteration Of Granodiorite Dike, Bleaching Of Limestone

Analytical data

Result A SAMPLE OF NEARLY MASSIVE GALENA SURROUNDED BY BLEACHED LIMESTONE CONTAINED <60 PPB AU, 1790 PPM SB, 324 PPM AS, >30,000 PPM BA, 370 PPM CR, <22 PPM CO, 1.3 % FE, <13 PPM MO, <100 PPM NI, 190 PPM AG, 18 PPM W, <3.4 PPM U, 390 PPM ZN, 2950 PPM CU, 24.4 % PB, <1 PPM BI.

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
    Rock unit name Granodiorite;Andesite & Latite Flow (Host);
    Rock description Granodiorite;Andesite & Latite Flow (Host);
    Stratigraphic age (youngest) Late Cambrian
  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Limestone
    Rock unit name Undivided Middle Cambrian Limestone;5;
    Rock description Undivided Middle Cambrian Limestone;5;

Nearby scientific data

(1) -112.90803, 39.82716

Economic information

Geologic structures

Type of structure Regional
Structure description Deep Creek-Tintic District Mineral Belt
Type of structure Local
Structure description Wnw-Striking Fault

Ore body information

  • General form TABULAR
    Depth to top 0M

Controls for ore emplacement

  • Wnw-Striking Granodiorite Dike And Fault

Comments on the geologic information

  • GRANODIORITE DIKE IS PRESUMABLY RELATED TO NEARBY STOCKS OF GRANODIORITE THAT HAVE BEEN DATED.

Economic information about the deposit and operations

Development status Prospect
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1978
Discoverer Robaert And Terry Steele, Nephi, Utah

Mining district

District name Keg Mountain Area

Ownership information

  • Type Operator
    Owner Western Mining Co.
  • Type Owner
    Owner Steele, Robert And Terry

Comments on the workings information

  • WORKINGS CONSIST OF ONE DOZER CUT, ABOUT 50 FEET LONG, AND A SMALL PIT.

Comments on development

  • WESTERN MINING CURRENTLY HOLDS THE LEASE.

Reference information

Bibliographic references

  • Deposit

    SHUBAT, M.A., 1987, GEOLOGY AND MINERAL OCCURRENCES OF NORTHERN KEG MOUNTAIN, JUAB COUNTY, UTAH, IN KOPP, R.S., AND COHENOUR, R.E., EDS., CENOZOIC GEOLOGY OF WESTERN UTAH: UTAH GEOLOGICAL ASSOCIATION PUBLICATION 16, P. 451-462.

  • Deposit

    MORRIS, H.T., 1978, UNPROSPECTED ZONE OF PYRITIC ALTERATION IN WEST-CENTRAL UTAH: U.S. GEOLOGICAL SURVEY OPEN-FILE REPORT 78-791.

  • Deposit

    MORRIS, H.T., 1987, PRELIMINARY GEOLOGIC MAP OF THE DELTA 2 DEGREE QUADRANGLE, TOOELE, JUAB, MILLARD, AND UTAH COUNTIES, UTAH: U.S. GEOLOGICAL SURVEY OPEN-FILE REPORT 87-185.

General comments

Subject category Comment text
Deposit DEPOSIT CONSISTS OF NEARLY MASSIVE PODS OF ARGENTIFEROUS GALENA REPLACING LIMESTONE. REPLACEMENT IS LOCALIZED ALONG A GRANODIORITE DIKE THAT WAS INJECTED ALONG A FAULT, BOTH STRIKING WNW. MINERALOGY CONSISTS OF GALENA WITH TRACE AMOUNTS OF PYRITE INCLUSIONS

Reporter information

Type Date Name Affiliation Comment
Reporter 01-OCT-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.