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Cochasayhuas

Producer in Apurimac, Peru with commodities Gold, Silver, Copper, Zinc, Lead
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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. Alteration
  8. Host and associated rocks
  9. Nearby scientific data
  10. Geologic structures
  11. Ore body information
  12. Controls for ore emplacement
  13. Economic information about the deposit and operations
  14. Ownership information
  15. Production statistics
  16. Links to other databases
  17. Bibliographic references
  18. General comments
  19. Reporter information

Geologic information

Identification information

Deposit ID 10068899
MRDS ID W002171
Record type Site
Current site name Cochasayhuas
Alternate or previous names Ccochasayhuas

Geographic coordinates

Geographic coordinates: -72.46629, -14.14778 (WGS84)
Elevation 4700
Relative position 4.5 KM SOUTH OF PROGRESSO AND 70 KM SE OF ABANCAY, IN THE PROVINCIA DE GRAU (COTABAMBAS SHEET). THE REGION IS REACHED ONLY BY TRAIL OR BY AIR VIA AN UNIMPROVED AIRSTRIP 1800 M LONG BUILT BY THE FORMED OPERATING COMPANY AT HUANACOPAMPA, 15 KM TO THE ESE.

Site location context

Political divisions (FIPS codes)

Apurimac(province)

Peru(country)

South America(continent)

Land(continent)

Geographic areas

Country State
Peru Apurimac

Comments on the location information

  • NO. 44 ON METALLOGENIC MAPS OF PERU, 1969

Commodities

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

Materials information

Materials Type of material
Argentite Ore
Chalcopyrite Ore
Galena Ore
Gold Ore
Polybasite Ore
Pyrite Ore
Silver Ore
Sphalerite Ore
Calcite Gangue
Chalcedony Gangue
Quartz Gangue
Rhodonite Gangue

Alteration

  • (Local) Rhodonite Altered To Rhodochrosite, Limestone Marbleized At Granodiorite Contacts

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock > Quartzite
    Rock unit name Machay Group;
    Rock description Machay Group;
  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Shale

Nearby scientific data

(1) -72.46629, -14.14778
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description See Comments

Ore body information

  • General form LENTICULAR AND IRREGULAR
    Strike N
    Dip 55W
    Length 5000M
    Width 0.8M
    Depth to bottom 500M

Controls for ore emplacement

  • See Comments

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Significant No
Discovery year 1000
Year of first production 1000

Ownership information

  • Type Operator
    Owner Compania Explotadora Cotabambas.

Production statistics

  • Year 1952
    Period 1906 - 1952
    Material AU
    Accuracy Accurate
    Description Cp_Grade: ^7 - 100 G Au/T
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Gold Gold 104g/mt

Comments on the production information

  • PRODUCTION YEARS: ITEM 8 - 1906 - 1922 , 1924 - 1929 , 1932 - 1934 , 1936 - 1952 ; ITEM 9 - 1908 - 1909 , 1911 - 1913 , 1915 - 1922 , 1924 - 1929 , 1932 - 1934 , 1937 - 1943 , 1948 - 1949 , 1952. INTERMITTENT PRODUCER.

Comments on the reserve resource information

  • INSUFFICIENT DATA 3/74 TO MAKE ESTIMATE. METALLOGENIC MAPS OF PERU INDICATE A SMALL DEPOSIT OF LITTLE ECONOMIC SIGNIFICANCE.

Reference information

Bibliographic references

  • Deposit

    SIMONS, FRANK, 1960, UNPUBLISHED REPORT, P. 510

  • Deposit

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

  • Deposit

    DE LUCIO, FELIPE, 1904, EL MINERAL DE CCOHASAYHUAS: SOC. ING. PERU BOL., V. 6, P. 91-102, 109-116.

  • Deposit

    TORRES BELON, ENRIQUE, 1918, INFORME SOBRE LAS MINAS DE CCOCHASAYJUAS: LIMA, LIBRERIA E IMPRENTA GIL, 26 P.

  • Deposit

    FORT MICHEL, 1926, LA INDUSTRIA MINERA DEL PERU EN EL ANO DEL CENTENARIO 1921: BOL. MINAS. IND. Y CONSTR., SER. 2, V. 15, P. 37.

  • Deposit

    AGUILAR, REVORADO, J.F., 1941, CURSO GEOLOGIA ECONOMICA DE YACIMIENTOS MINERALES: ESCUELA NAC. ING., INST. NAC. POLITECNICO SUPERIOR, P. 65-67.

  • Deposit

    ZEVALLOS, GERMAN D., 1922B, EL YACIMIENTO AURIFERO DE CCOCHASAYHUAS EN EL DEPARTAMENTO DE APURIMAC: ASSOC. PERUANA PARA EL PROGRESO DE LA CIENCIA ARCHIVOS, V. 2, P. 121-129.

  • Deposit

    YEPEZ, ELOY, 1949, MINA CCOCHASAYHUAS: MINING ENGINEER THESIS NO. 1051, ESCUELA NACIONAL DE INGENIEROS.

  • Deposit

    FUCHS, FERNANDO C., 1895, INFORME SOBRE EL MINERAL DE CCOCHASAYHUAS, PROVINCIA DE COTABAMBAS: LIMA, IMPRENTA DE LA ESCUELA NACIONAL DE INGENIEROS.

  • Deposit

    NOBLE, D.C. AND VIDAL, C.E., 1994, GOLD IN PERU: SEG NEWSLETTER, APRIL 1994, NO. 17, P. 1, 6-13.

  • Deposit

    1960 COMPILE FRANK SIMONS, UNPUB. REP

  • Other Database

    CIMRI

  • Production

    F. SIMONS, 1960, UNPUB. REP.

  • Reserve-Resource

    METALLOGENIC MAPS OF PERU. 1969, 1972

General comments

Subject category Comment text
Deposit AVERAGE WIDTH 250-300 CM. SHOOTS WITH LENGTH 700 M
Deposit First Production Year: INCAS PERHAPS MINED HERE; COLONIAL PERIOD SAW WORKING OF DEPOSITS.
Deposit Discovery Year: MAY HAVE BEEN KNOWN TO THE INCAS.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-DEC-1973 Shaffer, Glenn L. U.S. Geological Survey
Updater 01-MAY-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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