North Keg Mountain Prospect

Occurrence in Juab county in Utah, United States with commodity Iron
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 10088985
MRDS ID RE00194
Record type Site
Current site name North Keg Mountain Prospect

Geographic coordinates

Geographic coordinates: -112.92442, 39.83244 (WGS84)
Elevation 1603
Relative position 10,800 FEET N55E OF FLINT 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 010W 25 SW OF NE OF SW Utah

Commodities

Commodity Importance
Iron Primary

Comments on the commodity information

  • ANALYSIS OF GOSSAN SHOWED LITTLE MORE THAN FE PRESENT.

Materials information

Materials Type of material
Goethite Unknown
Limonite Unknown

Alteration

  • (Local) Oxidation

Analytical data

Result A SAMPLE OF GOSSAN YIELDED THE FOLLOWING RESULTS: 17 PPB AU, 1.1 PPM SB, 4 PPM AS, <100 PPM BA, <50 PPM CR, 16 PPM CO, 74.3 % FE, 12 PPM MO, 52 PPM NI, 13 PPM AG, <2 PPM W, 21.0 PPM U, <200 PPM ZN, 55 PPM CU, 170 PPM PB, <1 PPM BI.

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
    Rock unit name Granodiorite Porphyry;Andesite & Latite Flow (Host);
    Rock description Granodiorite Porphyry;Andesite & Latite Flow (Host);
    Stratigraphic age (youngest) Late Cambrian
  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock > Quartzite
    Rock unit name Prospect Mountain Quartzite;Undivided Middle Cambrian Limestone;
    Rock description Prospect Mountain Quartzite;Undivided Middle Cambrian Limestone;

Nearby scientific data

(1) -112.92442, 39.83244

Economic information

Geologic structures

Type of structure Regional
Structure description Deep Creek-Tintic District Mineral Belt
Type of structure Local
Structure description Thrust Fault, Nearly Flat Lying

Ore body information

  • General form TABULAR

Controls for ore emplacement

  • Thrust Fault

Comments on the geologic information

  • NEAREST EXPOSURE OF GRANODIORITE IS 2000 FEET SW OF PROSPECT

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Keg Mountain Area

Ownership information

  • Type Owner
    Owner Prospect Lies Within The Holdings Of Robert And Terry Steele

Comments on the workings information

  • WORKINGS CONSIST OF ONE SMALL PIT.

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 GOSSAN THAT REPLACED LIMESTONE IMMEDIATELY BENEATH A THRUST FAULT. NO PRIMARY MINERALS REMAIN., BUT ANALYSIS SHOWED THAT THE GOSSAN IS FE-RICH AND NOT ANOMALOUS IN BASE OR PRECIOUS METALS.

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.