1. Mineral Resources
  2. Online Spatial Data
  3. Mineral Resource Data System (MRDS)

El Cojo, Mina

Producer in Ancash, Peru with commodities Silver, Lead, Zinc
Map
XML
JSON
KML
B
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. Ore body information
  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 10086803
MRDS ID ANC0168
Record type Site
Current site name El Cojo, Mina

Geographic coordinates

Geographic coordinates: -77.42475, -10.03128 (WGS84)
Elevation 4500
Location accuracy 1000(meters)
Relative position A 10 KM DE LA LOCALIDAD DE CASA BLANCA., Est . Tomado De La Hoja De Chiquian 21-I, 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 SUR DEL CERRO MIINAS PARAJE ACOCANCHA DISTRITO DE AQUIA. EL ACCESO SE REALIZA DE LA SIGUIENTE FORMA: HUARAZ-CONOCOCHA (82 KM); CONOCOCHA-CASA BLANCA(10 KM); CASA BLANCA-MINA (10 KM) TOTALIZANDO UN TOTAL DE 102 KM. DISTA APROXIMADAMENTE 65 KM DE LA PLANTA CATAC.

Commodities

Commodity Importance
Silver Primary
Lead Primary
Zinc Critical Primary

Comments on the commodity information

  • LA MINERALIZACION SE PRESENTA EN FORMA DE CLAVOS O LENTES CUYO RELLENO ESTA CONSTITUIDO POR MINERALES POLIMETALICOS.

Materials information

Materials Type of material
Galena Ore

Alteration

  • (Local) Caolinizacion, Sericitizacion.

Analytical data

Result 5.29 OZ/TC AG, 5.83% PB, 6.45% ZN.

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Dacite
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Dacite

Nearby scientific data

(1) -77.42475, -10.03128
ListMap

Economic information

Ore body information

  • General form ISOMETRICO
    Strike N55E
    Dip SUBVERTICAL

Comments on the geologic information

  • EN EL AREA DEL YACIMIENTO AFLORAN ROCAS INTRUSIVAS COMO DIORITAS Y DACITAS DE TEXTURA PORFIRITICA CAOLINIZADA Y CERITIZADA POR ACCION HIDROTERMAL QUE OCUPAN LAS PARTES ALTAS DEL CERRO MINAS.

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 Owner-Operator
    Owner Teofilo Huerta Andrade

Production statistics

  • Year 1975
    Material AG, PB, ZN
    Accuracy Accurate
    Description Ap_Grade: ^5.29 Oz/Tc Ag, 5.83% Pb, 6.45% Zn.
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Silver Silver 149g/mt
    Major Lead Lead 6wt-pct
    Major Zinc Zinc 6wt-pct

Comments on the production information

  • LA CANTIDAD CORRESPONDE A LOTES DE MINERAL VENDIDO AL BANCO MINERO EN LOS MESES DE ENERO, MMARZO, SETIEMBRE Y AGOSTO DE 1975, LOS CUALES DIERON UN IMPORTE NETO DE S/605,774.45.

Reserves and resources

  • Type In-situ
    Estimate year 1975
    Total resources 1048000mt ore
    Commodity Subtype Grade units Group Importance Year
    Zinc Zn 6.45 wt-pct Zinc Major 1975
    Silver Ag 164.536 g/mt Silver Major 1975
    Lead Pb 5.83 wt-pct Lead Major 1975

Comments on the reserve resource information

  • LAS RESERVAS HAN SIDO CUBICADAS EN LA GALERIA DE LA LABOR 2.

Comments on the workings information

  • LOS TRABAJOS DE EXPLOTACION SE ESTAN REALIZANDO A PULSO CON EL CONCURSO DE 5 OBREROS ENTRE BARRETEROS Y CARRILEROS Y 5 OBREROS EN LA ZONA DE MATACOCHA.

Comments on development

  • LAS ESTRUCTURAS MINERALIZADAS HAN SIDO RECONOCIDAS POR MEDIO DE GALERIAS, CORTADAS, REBAJES DE PISO, PIQUES Y CHIMENEAS. ; ECON.COM: LA MINA PRESENTA BUENAS POSIBILIDADES ECONOMICAS DEBIDO A LAS LEYES INTERESANTES QUE PRESENTA.

Reference information

Bibliographic references

  • Deposit

    JUSTINO GUEVARA, LUIS; INFORME DE LA MINA EL COJO, B.M.P. OCTUBRE 1975, COD. B3298

  • Production

    BANCO MINERO

General comments

Subject category Comment text
Deposit SE TRATA DE TRES ESTRUCTURAS DENOMINADAS: A, B, Y C. LA ESTRUCTURA A, ES LA PRINCIPAL Y LA MEJOR RECONOCIDA. EL RELLENO MINERALIZADO TIENE UNA POTENCIA DE 0.05 M. A 0.50 M.
Deposit EL DENUNCIO EL COJO, OCUPA UN AREA DE 50 HAS. REQUIERE DE UNA INVERSION DE S/130,000.00 SOLES QUE SERAN INVERTIDOS EN LA REHABILITACION DE 142 METROS DE GALERIA EN LA LABOR 1. ; INFO.SRC : 2 UNPUB REPT

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAR-94 Delgado Valladares, Javier E. Instituto Geologico Minero Y Metalurgico, Peru
Updater 01-APR-94 Gonzales, Rosa Instituto Geologico Minero Y Metalurgico, Peru

Beyond USGS

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

Maps centered on this site