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Otoca Mina

Producer in Ayacucho, Peru with commodities Copper, Silver, Lead, Zinc, Gold
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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. Land status
  15. Ownership information
  16. Production statistics
  17. Reserves and resources
  18. Workings at the site
  19. Links to other databases
  20. Bibliographic references
  21. General comments
  22. Reporter information

Geologic information

Identification information

Deposit ID 10005734
MRDS ID AYA0016
Record type Site
Current site name Otoca Mina

Geographic coordinates

Geographic coordinates: -74.68357, -14.48499 (WGS84)
Elevation 1850
Location accuracy 1000(meters)
Relative position PUEBLO DE OTOCA, CAPITAL DEL DISTRITO DEL MISMO NOMBRE., Est (Las Coordenadas Corresponden Al Pueblo De Otoca, Capital Del Distrito Del Mismo Nombre, Carta Nacional De Laramate)

Site location context

Political divisions (FIPS codes)

Ayacucho(province)

Peru(country)

South America(continent)

Land(continent)

Geographic areas

Country State
Peru Ayacucho
Peru Ayacucho

Comments on the location information

  • LA MINA SE ENCUENTRA UBICADA EN EL DISTRITO DE OTOCA, PROV. DE LUCANAS, DPTO. DE AYACUCHO. HAY RECURSOS HIDRICOS.

Commodities

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

Comments on the commodity information

  • LA MINERALIZACION ESTA REPRESENTADA PRINCIPALMENTE POR CHALCOPIRITA, CON OJOS ESPORADICOS DE GALENA Y ESFALERITA CON ABUNDANTE GANGA DE PIRITA Y CUARZO DENTRO DE UN MATERIAL DE BRECHAS, CON UNA POTENCIA QUE SUPERAN AL METRO. EN LA ZONA DE OTOCA SE PRESENTAN DOS ESTRUCTURAS PRINCIPALES LLAMADAS VETA SIMON Y VETA VIGUNA, LA PRIMERA CON DOS RAMALES.

Materials information

Materials Type of material
Galena Ore

Alteration

  • (Local) Posiblemente Alteracion Hidrotermal.

Analytical data

Result LAS LEYES VARIAN DE 0.28 %CU. A 14.82 %CU.
Result Y LAS POTENCIAS OSCILAN ENTRE 1.10 M. A 3.80 M.
Result EL REPORTE DE PLANTA ARROJA LO SGTE.: MINERAL DE CABEZA ES 2.34 % DE CU. Y 0.7 OZ/TC DE AG.
Result CONCENTRADO: 23.49 % DE CU. Y 7.9 OZ/TC DE AG. , SIENDO EL RATIO DE 11.37.

Host and associated rocks

  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Dacite
    Stratigraphic age (youngest) Oligocene
    Stratigraphic age (youngest) Oligocene
    Stratigraphic age (youngest) Oligocene
  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Intermediate Volcanic Rock > Andesite
    Rock unit name Volcanico Huaylillas
    Rock description Volcanico Huaylillas
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Dacite
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Intermediate Volcanic Rock > Andesite
    Rock unit name Grupo Yura;Volcanico Huaylillas
    Rock description Grupo Yura;Volcanico Huaylillas

Nearby scientific data

(1) -74.68357, -14.48499
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description Sistema De Fallas
Type of structure Local
Structure description Dos Estructuras Emplazadas En Intrusivo Volcanico, Sinclinal.

Ore body information

  • General form TABULAR
    Thickness 0.38M
    Length 235M
    Width 20M
    Depth to top 30M
    Depth to bottom 43M

Controls for ore emplacement

  • Dos Estructuras

Comments on the geologic information

  • EL YACIMIENTO ESTA EMPLAZADO EN ROCAS VOLCANICAS DE NATURALEZA ANDESITICA Y DACITICA. PRESENCIA DE UN SINCLINAL EN LA ZONA, Y DOS FALLAS, QUE TIENDEN A JUNTARSE (CON RUMBOS QUE TIENDEN A IGUALARSE).

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 Velasquez Vizcarra, Victor

Production statistics

  • Year 1981
    Accuracy Estimate
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Copper Copper 3wt-pct
  • Year 1982
    Accuracy Estimate
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Silver Silver 20g/mt
    Major Ore Copper Copper 2wt-pct

Comments on the production information

  • LA PRODUCCION DEL ANO 1982, CORRESPONDE DE ENERO-JUNIO.

Reserves and resources

  • Type In-situ
    Estimate year 1982
    Total resources 29200000mt ore
    Commodity Subtype Grade units Group Importance Year
    Gold Au 0.933 g/mt Gold Trace 1982
    Silver Ag 46.65 g/mt Silver Major 1982
    Copper Cu 3.28 wt-pct Copper Major 1982

Comments on the reserve resource information

  • TOTAL DE RESERVAS PROBADO PROBABLES ES IGUAL A 28,000 TM, Y RESERVAS PROSPECTIVAS ES IGUAL A 1200 TM.

Workings at the site

  • Type of workings Underground
    Area 1.539HA
    Overall depth 116M
    Overall length 246.89M
    Overall width 57M

Comments on the workings information

  • EQUIPOS UTILIZADOS EN MINERIA CONVENCIONAL (PERFORADORAS, STOPER, LINEA DE CAUVILLE,...), FUNCIONANDO NORMALMENTE. LA EXTRACCION POSIBLEMENTE ES POR EL METODO CORTE (CON O SIN) RELLENO.

Comments on development

  • NO SE HAN DESARROLLADO, O SE HA HECHO MUY POCA, LABORES DE EXPLORACION Y DESARROLLO.

Reference information

Bibliographic references

  • Deposit

    DIAZ AGUILAR JULIO, GONZALES TORRES ALBERTO; MINA "OTOCA"; BMP.; 1981; COD B2677.

  • Deposit

    RUIZ SILVA, RODOLFO; MINA "OTOCA"; BMP.; 1981; B6886.

  • Deposit

    VALENCIA RONALD, GONZALES T. ALBERTO; MINA "OTOCA"; BMP.; 1982; B4163, B6191, B6882.

  • Deposit

    FLORES T. RAFAEL; MINA "OTOCA"; BMP.; 1982; COD. B4508.

  • Deposit

    CALLER F. ANA M.; MINA "OTOCA"; BMP.; 1982; COD. B4509.

  • Production

    INSPECTOR DEL BMP.

General comments

Subject category Comment text
Deposit YACIMIENTO EMPLAZADO EN ROCAS VOLCANICAS DE NATURALEZA ANDESITICA Y DACITICA. EN LA ZONA SE PRESENTAN DOS ESTRUCTURAS PRINCIPALES LLAMADAS VETA SIMON Y VETA VIGUNA; LA PRIMERA CON DOS RAMALES LLAMADOS RAMAL 1 Y RAMAL 2. LA MINERALIZACION ESTA REPRESENTADA PRINCIPALMENTE POR CHALCOPIRITA, CON OJOS ESPORADICOS DE GALENA Y ESFALERITA CON ABUNDANTE GANGA DE PIRITA Y CUARZO DENTRO DE UN MATERIAL DE BRECHAS, CON UNA POTENCIA QUE SUPERAN EL METRO.
Deposit YACIMIENTO CON POSIBILIDADES DE DESARROLLARSE, OFRECE BUENAS PERPECTIVAS ECONOMICAS. VEA RECORD NUMBER W002177. ; INFO.SRC : 1 PUB LIT

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JAN-94 Egocheaga Diaz, Cesar H. Instituto Geologico Minero Y Metalurgico, Peru
Updater 01-AUG-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.

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