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El Extrano, Mina

Producer in Ancash, Peru with commodities Silver, Lead, Zinc
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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. Land status
  13. Ownership information
  14. Production statistics
  15. Reserves and resources
  16. Links to other databases
  17. Bibliographic references
  18. General comments
  19. Reporter information

Geologic information

Identification information

Deposit ID 10003990
MRDS ID ANC0074
Record type Site
Current site name El Extrano, Mina
Related records 10206614

Geographic coordinates

Geographic coordinates: -77.91644, -9.26465 (WGS84)
Elevation 4000
Relative position A 30 KM. DEL PUEBLO DE QUILLO., Est . Tomado De La Hoja De Carhuaz 19-H, Esc. 1/100000

Site location context

Political divisions (FIPS codes)

Ancash(province)

Peru(country)

South America(continent)

Land(continent)

Geographic areas

Country State
Peru Ancash
Peru Ancash

Comments on the location information

  • EL YACIMIENTO SE UBICA EN LA FALDA ORIENTAL DEL CERRO PUMA-HUILLCA, DISTRITO QUILLO. EL ACCESO SE REALIZA DESDE HUARAZ SIGUIENDO LA RUTA: HUARAZ-YUNGAY-MINA, TOTALIZANDO 89 KM.

Commodities

Commodity Importance
Silver Primary
Lead Primary
Zinc Critical Primary

Comments on the commodity information

  • LA GALENA Y ESFALERITA ESTAN FINAMENTE CRISTALIZADA A MASIVOS.

Materials information

Materials Type of material
Galena Ore

Analytical data

Result 2.038 OZ/TC AG, 10% PB, 16.74% ZN

Host and associated rocks

  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Intermediate Volcanic Rock > Andesite
  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Limestone

Nearby scientific data

(1) -77.91644, -9.26465
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Economic information

Ore body information

  • Strike N45W
    Dip 60-80SW

Controls for ore emplacement

  • Fracturas

Comments on the geologic information

  • LA FORMACION LITOLOGICA PREDOMINANTE EN EL AREA DE LA MINA ESTA CONSTITUIDA POR CALIZAS GRISES Y CUARCITAS SUBYACENTES. AFLORAN TAMBIEN VOLCANICOS ANDESITICOS

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Deposit size Small
Significant No

Land status

Ownership category Private

Ownership information

  • Type Operator
    Owner Cia. Minera Cochas S.A.
  • Type Owner
    Owner Daniel Alvarado Balarezo

Production statistics

  • Year 1971
    Accuracy Accurate
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Silver Silver 347g/mt
    Major Ore Lead Lead 40wt-pct

Comments on the production information

  • EN LAS CANCHAS SE HA ESTIMADO 200 T.M. DE MINERAL CON LEYES DEL ORDEN 4.20 OZ/TC AG, 14.49% PB Y 29.30% ZN.

Reserves and resources

  • Type In-situ
    Estimate year 1976
    Total resources 133720000mt ore
    Commodity Subtype Grade units Group Importance Year
    Silver Ag 59.096 g/mt Silver Major 1976
    Lead Pb 2.9 wt-pct Lead Major 1976
    Zinc Zn 10.6 wt-pct Zinc Major 1976

Comments on the reserve resource information

  • ESTAS RESERVAS SE HAN GENERADO MEDIANTE EL DESARROLLO DE 470 M. DE LABORES, LO CUAL DA UN INDICE POR METRO DE AVANCE DEL ORDEN DE 328 TM. SIN EMBARGO HACIA LA PARTE INFERIOR DEL NIVEL MAS BAJO SOLO SE PODRIA ESPERAR UN INDICE EQUIVALENTE A AL 25% DEL VALOR ANTERIOR PORQUE LOS CUERPO MENCIONADOS TIENDEN A EMPOBRECERSE EN PROFUNDIDAD.

Comments on the workings information

  • EXISTEN EVIDENCIAS DE TRABAJOS EN EPOCAS PASADAS (LABORES MINERAS DERRUMBADAS Y/O AHOGADAS Y CANCHAS DE MINERAL), EFECTUADAS POR PROPIETARIOS ANTERIORES.

Comments on development

  • EXISTEN 49.50 M. DE LABORES DESARROLLADAS SOBRE SEIS DE LAS OCHO ESTRUCTURAS DEL SISTEMA PRINCIPAL, Y 13 M. SOBRE LA ESTRUCTURA TRANSVERSAL. ; ECON.COM: LA MINA EL EXTRANO PRESENTA BUENAS POSIBILIDADES ECONOMICAS

Reference information

Bibliographic references

  • Deposit

    MEDINA, OSCAR; INFORME TECNICO MINA EL EXTRANO, B.M.P. ENERO 1972, COD. B2229

  • Deposit

    ARAUZO B., ELMER; INFORME DE LA MINA EL EXTRANO, B.M.P. ABRIL 1981, COD. B3252

  • Deposit

    DIAZ, HECTOR; INFORME DE LA MINA EL EXTRANO, B.M.P. ENERO 1976, COD. B3303.

  • Production

    BANCO MINERO DEL PERU

  • Reserve-Resource

    BANCO MINERO

General comments

Subject category Comment text
Deposit SE TRATA DE UN SISTEMA DE OCHO ESTRUCTURAS MINERALIZADAS DENTRO DE UN HORIZONTE CALCAREO, CUYA MINERALIZACION ESTA CONSTITUIDA POR GALLENA Y ESFALERITA FINAMENTE CRISTALIZADA A MASIVAS.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-FEB-1994 Delgado Valladares, Javier E. Instituto Geologico Minero Y Metalurgico, Peru
Updater 01-MAR-1994 Gonzales, Rosa Instituto Geologico Minero Y Metalurgico, Peru

Beyond USGS

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

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