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Copper Ranch Mine

Past Producer in Beaver county in Utah, United States with commodities Copper, Tungsten, Molybdenum
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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. Mineral occurrence model information
  10. Host and associated rocks
  11. Nearby scientific data
  12. Geologic structures
  13. Ore body information
  14. Controls for ore emplacement
  15. Economic information about the deposit and operations
  16. Mining district
  17. Land status
  18. Ownership information
  19. Reserves and resources
  20. Workings at the site
  21. Links to other databases
  22. Bibliographic references
  23. General comments
  24. Reporter information

Geologic information

Identification information

Deposit ID 10011265
MRDS ID D005831
Record type Site
Current site name Copper Ranch Mine
Alternate or previous names Marguerite Mine #15, Jewel Mine
Included sites OK Mine

Geographic coordinates

Geographic coordinates: -113.10636, 38.46218 (WGS84)
Elevation 1594
Relative position 7 MILES NW OF MILFORD, ON THE SOUTH SIDE OF PORCUPINE HILL.

Site location context

Political divisions (FIPS codes)

Beaver(county)

Utah(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Milford(quadrangle 1:24,000 scale)

Wah Wah Mountains South(quadrangle 1:100,000 scale)

Richfield(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Beaver Bottoms-Upper Beaver(hydrologic unit)

Escalante Desert-Sevier Lake(hydrologic accounting unit)

Escalante Desert-Sevier Lake(hydrologic subregion)

Great Basin(hydrologic region)

Geographic areas

Country State County
United States Utah Beaver

Public Land Survey System information

Meridian Township Range Section Fraction State
Salt Lake 027S 011W 17 Utah

Comments on the location information

  • SE 1/4, NW 1/4, SE 1/4, SECTION 17.

Commodities

Commodity Importance
Copper Primary
Tungsten Critical Secondary
Molybdenum Tertiary

Comments on the commodity information

  • ORIGINALLY WORKED FOR COPPER, SCHEELITE; DISCOVERED IN 1941.

Materials information

Materials Type of material
Malachite Ore
Powellite Ore
Scheelite Ore
Diopside Gangue
Magnetite Gangue
Muscovite Gangue

Alteration

  • (Local) Thermal Metamorphism, Chlorite And Talc

Mineral occurrence model information

Model code 59
USGS model code 18b
Deposit model name Skarn Cu
Mark3 model number 8

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Quartz Monzonite
    Rock unit name Quartz Monzonite Undifferientiated;Diorite Undiff;Granodiorite Porphyry
    Rock description Quartz Monzonite Undifferientiated;Diorite Undiff;Granodiorite Porphyry
    Stratigraphic age (youngest) Pliocene
    Stratigraphic age (youngest) Pliocene
  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic)
    Rock unit name Toroweap Formation;Diorite Undiff;Undifferientiated Volcanics
    Rock description Toroweap Formation;Diorite Undiff;Undifferientiated Volcanics
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Intermediate Volcanic Rock > Andesite

Nearby scientific data

(1) -113.10636, 38.46218
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description Basin And Range, Cordillerain Thrust Belt
Type of structure Local
Structure description Rocky Range

Ore body information

  • General form POD/LENS
    Strike N75W
    Dip 30NE
    Thickness 0.91M

Controls for ore emplacement

  • Where Limestones Have Been Invaded By Quartz Monzonite, Controled By Bedding & Contact.

Comments on the geologic information

  • ALL MINERALIZATION WAS SECONDARY CARBONATE MINERALS, WITH SCHEELITE A NOTABLE EXCEPTION. SCHEELITE IS MORE CLOSELY ASSOCIATED WITH THE QUARTZ MONZONITE.

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant Yes
Discovery year 1899
Year of first production 1912

Mining district

District name Rocky

Land status

Ownership category Private

Ownership information

  • Type Operator
    Owner Essex International

Reserves and resources

  • Type In-situ
    Estimate year 1998
    Indicated 322000mt ore
    Remarks at .4% cutoff grade\nMDA estimate, 1998
    Commodity Subtype Grade units Group Importance Year
    Copper 1.13 wt-pct Copper Primary 1998
  • Type In-situ
    Estimate year 1998
    Indicated 293000mt ore
    Remarks at .6% cutoff grade\nMDA estimate, 1998
    Commodity Subtype Grade units Group Importance Year
    Copper 1.2 wt-pct Copper Primary 1998
  • Type In-situ
    Estimate year 1998
    Indicated 195000mt ore
    Remarks at 1% cutoff grade\nMDA estimate, 1998
  • Type In-situ
    Estimate year 1945
    Commodity Subtype Grade units Group Importance Year
    Tungsten Wo3 0.25 wt-pct Tungsten Minor 1945

Workings at the site

  • Type of workings Underground
    Length 129.54M
    Overall depth 96.01M

Comments on the workings information

  • INCLINE SHAFT, DRIFTS, STOPES

Comments on development

  • ******SEE OK Mine: Deposit ID 10101379 for detailed info

Reference information

Bibliographic references

  • Development

    MDA-Western States Engineering, 1998 OK Mine Profect Feasibility Study, Vol. 1 Nevada Star Resource Corp. private report, Dec. 1998

  • Deposit

    SALT LAKE MINING REVIEW, V 1, APRIL 29, 1899, P 14, ALSO FEB 15, 1913, P 29.

  • Deposit

    HOBBS, S W, 1945, TUNGSTEN DEPOSITS OF BEAVER CO, UTAH, USGS BULL 945-D

  • Deposit

    WHELAN, J A, GEOLOGY AND ORE DEPOSITS OF THE ROCKY RANGE: UGMS IN PRESS.

  • Production

    EVERTS, M L, 1979, ON-SITE INVESTIGATION: UTAH GEOLOGICAL AND MINERAL SURVEY

General comments

Subject category Comment text
Deposit SINCE 1918 ESSEX INTERNATIONAL DID DRILLING IN 1973-74

Reporter information

Type Date Name Affiliation Comment
Reporter 01-APR-1979 Everts, Michael L. Bureau of Land Management
Updater 01-JUL-1985 Shubat, Michael A. U.S. Geological Survey

Beyond USGS

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

External references

Maps centered on this site