Copper Apex Tunnel

Producer in Salt Lake county in Utah, United States with commodities Lead, Silver, Copper, Gold, Zinc
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. Production statistics
  19. Workings at the site
  20. Links to other databases
  21. Bibliographic references
  22. General comments
  23. Reporter information

Geologic information

Identification information

Deposit ID 10100693
MRDS ID D011925
Record type Site
Current site name Copper Apex Tunnel
Alternate or previous names Silver King Western, Crystal-Elgin, Kennelly Ground, Scott, Silver King Coalition Mines Co.

Geographic coordinates

Geographic coordinates: -111.5605, 40.61938 (WGS84)
Elevation 2957
Relative position 2600 FT S51E FROM SCOTT HILL

Site location context

Political divisions (FIPS codes)

Salt Lake(county)

Utah(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Brighton(quadrangle 1:24,000 scale)

Salt Lake City(quadrangle 1:100,000 scale)

Salt Lake City(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Jordan(hydrologic unit)

Jordan(hydrologic accounting unit)

Great Salt Lake(hydrologic subregion)

Great Basin(hydrologic region)

Geographic areas

Country State County
United States Utah Salt Lake

Public Land Survey System information

Meridian Township Range Section Fraction State
Salt Lake 002S 003E 25 SW OF NW OF NE Utah

Comments on the location information

  • LOCATED JUST BELOW CRYSTAL-ELGIN INCLINES ; INFO FROM LAND.ST :1983

Commodities

Commodity Importance
Lead Primary
Silver Primary
Copper Primary
Gold Secondary
Zinc Critical Tertiary

Materials information

Materials Type of material
Anglesite Ore
Argentite Ore
Bornite Ore
Chalcopyrite Ore
Covellite Ore
Galena Ore
Gold Ore
Malachite Ore
Sphalerite Ore
Hematite Gangue
Limonite Gangue
Quartz Gangue

Alteration

  • (Local) Bleaching, Silicification, Iron Staining, Calc-Silicate Formation At Dike Margins, Oxidation

Analytical data

Result OVERALL ORE GRADES GIVEN IN PRODUCTION SECTION

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
    Rock unit name Diorite Porphyry
    Rock description Diorite Porphyry
    Stratigraphic age (youngest) Late Triassic
    Stratigraphic age (youngest) Late Triassic
    Stratigraphic age (youngest) Pliocene
    Stratigraphic age (youngest) Pliocene
  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Shale
    Rock unit name Woodside Shale
    Rock description Woodside Shale
  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Limestone

Nearby scientific data

(1) -111.5605, 40.61938

Economic information

Geologic structures

Type of structure Regional
Structure description Uinta-Cottonwood Arch, Sevier Overthrust Belt, Cordilleran Hingeline
Type of structure Local
Structure description Northeast Striking Fissures, North Striking Dike

Ore body information

  • General form TABULAR
    Strike N25E TO N45E
    Dip 80 SE
    Depth to top 0M
  • General form TABULAR
    Dip 80 SE

Controls for ore emplacement

  • Northeast Striking Fissures, Favorable Beds Adjacent To Fissures And Dike

Comments on the geologic information

  • ENTIRE ADIT SUPPOSEDLY IN WOODSIDE SHALE

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1875
Year of first production 1906
Year of last production 1908

Mining district

District name Big Cottonwood District

Land status

Ownership category Private

Ownership information

  • Type Owner
    Owner Silver King Western Manufacturing Co.
    Home office Salt Lake City, UT

Production statistics

  • Year 1908
    Period 1906-1908
    Material ORE
    Accuracy Estimate
    Description Cp_Grade: ^12.9% Cu, 1.5% Cu, 11.9 Oz/Ton Ag, .018 Oz/Ton Au
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Ore Gold Gold 5g/mt
    Ore Silver Silver 336g/mt
    Ore Copper Copper 13wt-pct

Workings at the site

  • Type of workings Underground
    Length 335.28M

Comments on the workings information

  • COPPER APEX TUNNEL DRIVEN IN A N30E DIRECTION

Comments on development

  • SILVER KING WESTERN COMPANY IS CURRENTLY EXPLORING FOR PB-AG ORE. THEY BELIEVE THAT THERE MAY BE AN OREBODY ON THE PROPERTY

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit TUNNEL PROBABLY FOLLOWS ONE MAJOR FISSURE DEPOSIT WITH LOCAL PODS OF REPLACEMENT MINERALIZATION. PROBABLY SOME CALC-SILICATE HOSTED MINERALIZATION TOO
Deposit Discovery Year: 1870'S

Reporter information

Type Date Name Affiliation Comment
Reporter 01-APR-1984 Shubat, Michael A. Utah Geological and Mineral Survey

Beyond USGS

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