Western Utah Extension Mine

Past Producer in Tooele county in Utah, United States with commodities Silver, Copper, Gold, Iron, Arsenic
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. Workings at the site
  19. Links to other databases
  20. Bibliographic references
  21. Reporter information

Geologic information

Identification information

Deposit ID 10021180
MRDS ID DC15162
Record type Site
Current site name Western Utah Extension Mine
Alternate or previous names Helmet Claim

Geographic coordinates

Geographic coordinates: -113.80945, 40.15687 (WGS84)
Elevation 1753
Relative position 1800 FT S60E OF THE SUMMIT OF GOLD HILL

Site location context

Political divisions (FIPS codes)

Tooele(county)

Utah(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Gold Hill(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)

Geographic areas

Country State County
United States Utah Tooele

Public Land Survey System information

Meridian Township Range Section Fraction State
Salt Lake 008S 017W 06 SW OF NE OF SW Utah

Commodities

Commodity Importance
Silver Primary
Copper Primary
Gold Secondary
Iron Tertiary
Arsenic Critical Tertiary

Materials information

Materials Type of material
Chrysocolla Ore
Olivenite Ore
Pyrite Ore
Sphalerite Ore
Tenorite Ore

Alteration

  • (Local) Sevier Orogenic Belt

Analytical data

Result .026 OZ/TON AU, 5.4 OZ/TON AG, 4.08% CU

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
    Rock unit name Gold Hill Stock
    Rock description Gold Hill Stock
    Stratigraphic age (youngest) Late Jurassic
    Stratigraphic age (youngest) Late Jurassic
    Stratigraphic age (youngest) Middle Cambrian

Nearby scientific data

(1) -113.80945, 40.15687

Economic information

Geologic structures

Type of structure Regional
Structure description Basin And Range
Type of structure Local
Structure description Fault (N20w, W) With About 40 Ft Of Throw

Ore body information

  • General form TABULAR
    Strike N2W
    Dip 65W
    Thickness 1.22M
    Length 213.36M
    Width 30M

Controls for ore emplacement

  • Fissures

Economic information about the deposit and operations

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

Mining district

District name Clifton (Gold Hill) District

Land status

Ownership category Private

Ownership information

  • Type Owner
    Owner Asarco (American Smelting And Refining Co.)

Workings at the site

  • Type of workings Surface/Underground
    Length 426.72M
    Overall depth 76.2M
    Overall length 152.4M

Comments on the workings information

  • SEVERAL CUTS AND PITS AT SOUTH END OF AREA, ALSO SOME SHORT ADITS

Reference information

Bibliographic references

  • Analytical Data

    SRC.REF: NOLAN, T.B., 1935, THE GOLD HILL MINING DISTRICT, UTAH, USGS PP 117, P. 146

  • Deposit

    NOLAN, T.B., 1935, THE GOLD HILL MINING DISTRICT, UTAH, USGS PP 177, P. 146-147

  • Deposit

    USBM, 1976, MINERALS AVAILABILITY SYSTEMS REPORT

  • Deposit

    1935 GEOLMAP NOLAN PROF. PAPER 177, PL. 2

  • Deposit

    1935 MINEMAP NOLAN, T.B., PROF. PAPER 177, P. 146

  • Production

    NOLAN, T.B., 1935, THE GOLD HILL MINING DISTRICT UTAH, USGS PP 177, P.146-147

  • Reserve-Resource

    MESSENGER, H.M. III, 1981, ON SITE INVESTIGATION: UTAH GEOL. AND MINERAL SURVEY

Reporter information

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

Beyond USGS

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

Operator history (post-MRDS)

MRDS records operators as of each record's last update (≤ 2019). Some of the operators listed here have since changed hands or dissolved:

Curated by qvyshift.com from publicly-reported M&A activity (SEC filings, press releases, USGS Mineral Yearbooks). Not authoritative — verify against primary sources before relying on it. The MSHA panel above is the current authoritative source for actively-permitted mines.