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Monocco Mine

Past Producer in Tooele county in Utah, United States with commodities Copper, Lead, Silver, Gold, Iron, Zinc, Arsenic
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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. Ownership information
  17. Production statistics
  18. Links to other databases
  19. Bibliographic references
  20. Reporter information

Geologic information

Identification information

Deposit ID 10021209
MRDS ID DC15200
Record type Site
Current site name Monocco Mine

Geographic coordinates

Geographic coordinates: -113.81723, 40.09215 (WGS84)
Elevation 2103
Relative position WEST SLOPE OF MONTEZUMA PEAK

Site location context

Political divisions (FIPS codes)

Tooele(county)

Utah(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Clifton(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 018W 36 Utah

Comments on the location information

  • 12 CLAIMS: DANDY, PAD NO. 1 , MONOCCO NO. 2 , JULIAN, SILVER KING, HERCULES, LION, SHEBA, FORTUNE, JEMINE, AND CENTUARY.

Commodities

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

Comments on the commodity information

  • COPPER ORE IS FOUND IN THE VEINS, AND THE LEAD - SILVER ORE IS FOUND IN THE REPLACEMENT DEPOSITS

Materials information

Materials Type of material
Chalcopyrite Ore
Galena Ore
Hematite Ore
Limonite Ore
Malachite Ore
Plumbojarosite Ore

Alteration

  • (Local) Ls Bleached White To Light Cream In An Irregular Pattern. Fspr And Biot In The Qtz Monz Has Been Altered To Sericite, Kaolinite And Chlorite.

Analytical data

Result 1917 - 1920 : AVG. 0.002 OZ/TON AU, 3.52 OZ/TON AG, 10.17 % CU, 0.88 % PB. 1935 : 0.01 OZ/TON AU, 3.6 OZ/TON AG, 11.1 % CU, 15.9 % FE FOR COPPER ORE. IN THE LEAD - SILVER ORE - 0.045 OZ/TON AU, 11.4 OZ/TON AG, 8.8 % PB, 1.0 % CU, 2 % ZN, 3.5 % AS, 0.5 % SB, 3.0 % S, 25.6 % FE

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Quartz Monzonite
    Stratigraphic age (youngest) Eocene
    Stratigraphic age (youngest) Late Permian
  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Limestone

Nearby scientific data

(1) -113.81723, 40.09215
ListMap

Economic information

Geologic structures

Type of structure Local
Structure description Three Fissures Striking Ne And Dipping 75 W. Several Faults Strike Nw, Dip Ne.

Ore body information

  • Strike N 45 E
    Dip 60-90 NW
    Length 365.76M
    Width 1.83M

Controls for ore emplacement

  • Veins Are Located Along Fissures. Replacement Bodies Are Located Near The Sedimentary-Intrusive Contact.

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Significant No

Mining district

District name Clifton (Gold Hill) District

Ownership information

  • Type Owner
    Owner Floyd Meyers

Production statistics

  • Year 1920
    Period 1917-20
    Accuracy Estimate
    Description Cp_Grade: ^Ave. 10.17 % Cu, 3.52 Oz/Ton Ag, 0.002 Oz/Ton Au, 0.88 % Pb.
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Ore Lead Lead 1wt-pct
    Major Ore Gold Gold 0g/mt
    Major Ore Silver Silver 99g/mt
    Major Ore Copper Copper 10wt-pct

Comments on the production information

  • PROD. 1926; 1929; 1930; 1931; 1934; 1937; 1951

Comments on the workings information

  • MONOCCO MINE, MONOCCO INCLINE SHAFT; 13 SMALL PROSPECT PITS AND SEVEN SHAFTS FROM 20 - 25 DEEP ARE SCATTERED AROUND THE PROPERTY.

Reference information

Bibliographic references

  • Deposit

    NOLAN,T.B., 1935, THE GOLD HILL MINING DISTRICT: USGS PROF. PAPER 177, P. 162-163.

  • Deposit

    USGS MINERAL RESOURCE YEARBOOK 1918-20; USBM MINERAL RESOURCE YEARBOOK 1926, 1929, 1930, 1934, 1951

  • Deposit

    PERRY,L.I. & MCCARTHY,B.M., 1977, LEAD AND ZINC IN UTAH: UTAH GEOL. & MIN. SURV., ECON. GEOL. SECT., OPEN-FILE REPT. NO. 22, P. 419.

  • Deposit

    CONSV. COMP. DATE, 02-18-1965

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUN-1975 Mc Coy, Gail U.S. Geological Survey
Updater 01-AUG-1978 Wong, George (Tooker, Ed) 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