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Mountain Lake Mine

Past Producer in Salt Lake county in Utah, United States with commodities Copper, Iron, Gold, Silver, Lead, Tungsten
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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. 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. General comments
  22. Reporter information

Geologic information

Identification information

Deposit ID 10014866
MRDS ID D011934
Record type Site
Current site name Mountain Lake Mine
Alternate or previous names Mountain Lake Group, Great Western Mines, Great Western Adit, Great Western Tunnel

Geographic coordinates

Geographic coordinates: -111.5855, 40.58355 (WGS84)
Elevation 2926
Relative position 3400 FT N44E FROM SUNSET PEAK

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)

Federal lands

Uinta-Wasatch-Cache National Forest(National Forest)

National Forest FS(Type of land area)

FS(Federal land areas administered by FS)

Geographic areas

Country State County
United States Utah Salt Lake

Public Land Survey System information

Meridian Township Range Section Fraction State
Salt Lake 003S 003E 02 SW OF NW OF SW Utah

Comments on the location information

  • TOWNSHIP IS UNSURVEYED ; INFO FROM LAND.ST :1983

Commodities

Commodity Importance
Copper Primary
Iron Primary
Gold Secondary
Silver Secondary
Lead Secondary
Tungsten Critical Tertiary

Materials information

Materials Type of material
Argentite Ore
Bornite Ore
Chalcopyrite Ore
Galena Ore
Gold Ore
Magnetite Ore
Malachite Ore
Pyrite Ore
Scheelite Ore
Actinolite Gangue
Chlorite Gangue
Epidote Gangue
Forsterite Gangue
Garnet Gangue
Phlogopite Gangue
Serpentine Gangue
Talc Gangue
Tremolite Gangue

Alteration

  • (Local) Calc-Silicate Zone Of Skarn Environment, Oxidation

Analytical data

Result 5% CU, MINOR AU AND AG, .25-.30% WO3. SAMPLE OF MASSIVE MAGNETITE CONTAINS 7.78 PPM AG, 0.031 PPM AU, 2250 PPM CU, 2 PPM MO, 15 PPM PB, 250 PPM ZN, 65 PPM CO, AND 70 PPM NI.

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
    Rock unit name Clayton Peak Stock;Alta Stock
    Rock description Clayton Peak Stock;Alta Stock
    Stratigraphic age (youngest) Mississippian
    Stratigraphic age (youngest) Oligocene
  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Limestone
    Rock unit name Gardison Limestone;Deseret Limestone
    Rock description Gardison Limestone;Deseret Limestone
  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Dolomite

Nearby scientific data

(1) -111.5855, 40.58355
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description Uinta-Cottonwood Arch, Sevier Overthrust Belt, Cordilleran Hingeline
Type of structure Local
Structure description Grizzly Thrust Fault

Ore body information

  • General form IRREGULAR
    Length 30.48M
    Width 15.24M
    Depth to top 0M

Controls for ore emplacement

  • Contact Zone Between Intrusive And Sediments

Comments on the geologic information

  • CARBONATES FORM A ROOF PENDANT SUSPENDED BETWEEN THE ALTA STOCK TO THE NORTHWEST AND THE CLAYTON PEAK STOCK TO THE SOUTHEAST. SOME UNUSUAL BORATES, LUDWIGITE AND MAGNESIO LUDWIGITE ARE ABUNDANT. OTHER UNUSUAL MINERALS SUCH AS EPHESITE, SUSSEXITE, XANTHOPHYLLITE AND HYDROMAGNESITE MAY ALSO BE PRESENT. THE SKARN ZONE IS ABOUT 50 FT. THICK.

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1875
Year of first production 1907
Year of last production 1908

Mining district

District name Big Cottonwood District

Land status

Ownership category Private

Ownership information

  • Type Owner
    Owner Great Western Mines Co.
    Home office Ogden, Ut.

Comments on the production information

  • SEVERAL RAILROAD CAR LOADS OF ORE SHIPPED IN 1907 OR 1908. ORE WAS CARBONATE-HOSTED, CU AND FE RICH MATERIAL

Workings at the site

  • Type of workings Surface
    Length 274.32M

Comments on the workings information

  • WORKINGS CONSIST OF A MAIN INCLINE AND SEVERAL SIDE DRIFTS AND STOPES. MAIN INCLINE FOLLOWED ORE DOWN TO A DEPTH OF 300 FT.

Comments on development

  • WASATCH NATIONAL FOREST OWNS THE SURFACE RIGHTS

Reference information

Bibliographic references

  • Deposit

    JAMES. L.P., 1979, GEOLOGY, ORE DEPOSITS, AND HISTORY OF THE BIG COTTONWOOD MINING DISTRICT, SALT LAKE COUNTY, UTAH: U.G.M.S. BULL. NO. 114.

  • Deposit

    CALKINS, F.C., AND BUTLER, B.S., 1943, GEOLOGY AND ORE DEPOSITS OF THE COTTONWOOD-AMERICAN FORK AREA, UTAH: U.S. GEOLOGICAL SURVEY PROF. PAPER, NO. 201.

  • Deposit

    BUTLER, B.S., LOUGHLIN, G.F., HEIKES, V.C., AND OTHERS, 1920, THE ORE DEPOSITS OF UTAH: U.S. GEOLOGICAL SURVEY PROF. PAPER, NO. 111.

  • Deposit

    BAKER, A.A., CALKINS, F.C., CRITTENDEN, M.D., JR., AND BROMFIELD, C.S., 1966, GEOLOGIC MAP OF THE BRIGHTON QUADRANGLE, UTAH: U.S. GEOLOGICAL SURVEY GEOL. QUAD. MAP GQ-534.

  • Deposit

    CRAWFORD, A.L., AND BURANEK, A.M., 1957, TUNGSTEN RESERVES DISCOVERED IN THE COTTONWOOD-AMERICAN FORK MINING DISTRICTS, UTAH: UTAH GEOL. AND MIN. SURVEY REPRINT NO. 55.

  • Production

    JAMES, L.P., 1979

General comments

Subject category Comment text
Deposit DEPOSIT OCCURS ALONG CONTACT BETWEEN MISSISSIPPIAN LIMESTONE AND THE CLAYTON PEAK STOCK. THE METASOMATIC-REPLACEMENT MINERALIZATION IS MAGNETITE RICH WITH UP TO 5%
Deposit Discovery Year: LATE 1800'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.

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