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El Dorado Copper 59

Producer in Ancash, Peru with commodities Copper, Silver
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Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Commodities
  6. Materials information
  7. Host and associated rocks
  8. Nearby scientific data
  9. Ore body information
  10. Controls for ore emplacement
  11. Economic information about the deposit and operations
  12. Ownership information
  13. Production statistics
  14. Links to other databases
  15. Bibliographic references
  16. General comments
  17. Reporter information

Geologic information

Identification information

Deposit ID 10068913
MRDS ID W002186
Record type Site
Current site name El Dorado Copper 59
Alternate or previous names Mina El Dorado

Geographic coordinates

Geographic coordinates: -77.37475, -10.54793 (WGS84)
Elevation 2500
Relative position ABOUT 50 KM NE OF BARRANCA.

Site location context

Political divisions (FIPS codes)

Ancash(province)

Peru(country)

South America(continent)

Land(continent)

Geographic areas

Country State
Peru Ancash

Comments on the location information

  • NO. 59 ON METALLOGENIC MAPS OF PERU, 1969. EL DORADO MINE IS ON THE DIVIDE BETWEEN THE RIO PATIVILCA AND THE QUEBRADA CHILCAS-RIO HUANCHAY DRAINAGE. IT MAY BE REACHED FROM BARRANCA OVER 80 KM OF ROAD.

Commodities

Commodity Importance
Copper Primary
Silver Primary

Materials information

Materials Type of material
Chalcocite Ore
Chalcopyrite Ore
Cuprite Ore
Malachite Ore
Pyrite Ore
Quartz Gangue

Host and associated rocks

  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Intermediate Volcanic Rock > Andesite
    Stratigraphic age (youngest) Pliocene
  • Host or associated Host
    Rock type Plutonic Rock > Granitoid > Granite

Nearby scientific data

(1) -77.37475, -10.54793
ListMap

Economic information

Ore body information

  • Strike N80-90E
    Dip 75N
    Thickness 0.5M
    Length 700M
    Width 100M
    Depth to bottom 300M

Controls for ore emplacement

  • The Mine Area Is Underlain By Andesitic And Dacitic Volcanic Rocks, Intruded By Granitic Stocks Near The Veins. Veins Strike N80-90e, Dip 75-90 Deg, El Dorado Vein Contains 30-50 Cm Of Quartz With Streaks And Dissemination Of Chalcopyrite And A Little Chalcocite. Oxidation Is Shallow. The Ore Averages 7-8% Copper, 100-120 Grams Silver And Less Than 1 Gram Gold Per Ton... The San Hilarion Vein Similar To El Dorado Vein Except Ore Grade Is Lower.

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Significant No
Discovery year 1938
Production years 1954-1955

Ownership information

  • Type Operator
    Owner Compania Minera El Dorado

Production statistics

  • Year 1943
    Period 1938 - 1943
    Material ORE
    Accuracy Accurate
    Description Cp_Grade: ^20 % Cu, 150 G Ag/T, 0.5 G Au/T
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Gold Gold 1g/mt
    Major Ore Silver Silver 150g/mt
    Major Ore Copper Copper 20wt-pct
  • Year 1955
    Material CU
    Accuracy Accurate
    Description Ap_Grade: ^3 - 6 % Cu, 100 - 120 G Ag/T
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Silver Silver 110g/mt
    Major Copper Copper 5wt-pct

Reference information

Bibliographic references

  • Deposit

    SIMONS, FRANK, 1960, UNPUBLISHED REPORT, P. 578

  • Deposit

    PERU-MAPA METALOGENETICO, 1969, AND, GUIA PARA EL MAPA METALOGENETICO DEL PERU, SOCIEDAD NACIONAL DE MINERIA Y PETROLEO, LIMA, PERU, NOV. 1969

  • Deposit

    DEL SOLAR B., C., 1944, INFORME SOBRE LA PROPIEDAD MINERA EL DORADO: BANCO MINERO DEL PERU, MARCH, COD B4050.

  • Deposit

    1960 COMPILE FRANK SIMONS, UNPUB. REP

  • Production

    F. SIMONS, 1960, UNPUB. REP. SIMONS (1960).

  • Reserve-Resource

    METALLOGENIC MAPS OF PERU. 1969, 1972

General comments

Subject category Comment text
Deposit SEE RECORD NUMBER ANC0192.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-DEC-1973 Shaffer, Glenn L. U.S. Geological Survey
Updater 01-JUN-1994 Page, Norman J. U.S. Geological Survey

Beyond USGS

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

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