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Esperada, Mina

Producer in Ancash, Peru with commodities Silver, Lead, Copper, 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. Alteration
  7. Host and associated rocks
  8. Nearby scientific data
  9. Ore body information
  10. Economic information about the deposit and operations
  11. Land status
  12. Ownership information
  13. Production statistics
  14. Reserves and resources
  15. Links to other databases
  16. Bibliographic references
  17. General comments
  18. Reporter information

Geologic information

Identification information

Deposit ID 10003981
MRDS ID ANC0055
Record type Site
Current site name Esperada, Mina

Geographic coordinates

Geographic coordinates: -77.69976, -9.4813 (WGS84)
Elevation 4500
Relative position A 41 KM DE HUARAZ, Est . Tomado De La Hoja De Huaraz 20-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

  • SE UBICA AL N81W DE HUARAZ, A 16 KM EN LINEA RECTA EN EL CERRO PUCA-JIRCA, EN EL PARAJE MACO. SE LLEGA A LA MINA POR LA VIA HUARAZ-PALMIRA-MINA

Commodities

Commodity Importance
Silver Primary
Lead Primary
Copper Primary
Zinc Critical Primary

Alteration

  • (Local) Cloritizacion

Analytical data

Result 8.65 OZ//TC AG, 8.04% PB, 0.46% CU, 14.08% ZN

Host and associated rocks

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

Nearby scientific data

(1) -77.69976, -9.4813
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Economic information

Ore body information

  • General form IRREGULAR
    Strike S62-80W
    Dip 85NW

Comments on the geologic information

  • LA ZONA COMPRENDE UNA ESTRIBACION OCCIDENTAL DE LA CORDILLERA NEGRA. EN LAS CAJAS SE OBSERVAN FENOMENOS DE PROPILITIZACION ZONAL. LA ROCA MAS ABUNDANTE ES UN PORFIDO ANDESITICO ALTERADO.

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 Santillan, Arturo Diaz

Production statistics

  • Year 1971
    Accuracy Accurate
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Copper Copper 2wt-pct
    Major Ore Zinc Zinc 8wt-pct
    Major Ore Lead Lead 4wt-pct

Comments on the production information

  • LA PRODUCCION EN LA MINA ES INTERMITENTE. LOS MINERALES SON TRATADOS EN LA PLANTA CATAC.

Reserves and resources

  • Type In-situ
    Estimate year 1970
    Total resources 11047000mt ore
    Commodity Subtype Grade units Group Importance Year
    Silver Ag 333.739 g/mt Silver Major 1970
    Lead Pb 9.99 wt-pct Lead Major 1970
    Copper Cu 0.59 wt-pct Copper Major 1970
    Zinc Zn 17.5 wt-pct Zinc Major 1970

Comments on the reserve resource information

  • EXISTE EN CANCHA UN TOTAL DE 106 TN. (MINERAL ESCOGIDO), CON LEYES DE 2.66 OZ/TC AG, 4.61% PB, 2.03% CU, 7.15% ZN.

Comments on the workings information

  • SE HA DIVIDIDO EL AREA DE TRABAJO EN DOS ZONAS A Y B. EN LA ZONA A LA UNICA LABOR SUBTERRANEA EN ACTUAL TRABAJO, PRESENTA UNA VETA DE POTENCIA MEDIA 0.55 M. EN LA ZONA B EXISTE OTRA GALERIA QUE ACTUALMENTE ESTA INUNDADA. EN LA ACTUALIDAD LABORAN 5 OBREROS.

Comments on development

  • SOBRE LA VETA PRINCIPAL EXISTEN 35 M. DE SOCAVON Y 130 M DE GALERIA EN TRES NIVELES CON UNA DIFERENCIA VERTICAL DE 18 M. LOS CUALES RECONOCEN UNA ESTRUCTURA DE 80 M. HORIZONTALES. ; ECON.COM: EN LAS CIRCUNSTANCIAS ACTUALES SOLAMENTE LA VETA PRINCIPAL OFRECE PERSPECTIVAS ECONOMICAS FAVORABLES PARA CONTINUAR SU RECONOCIMIENTO PRINCIPALMENTE EN EL NIVEL INTERMEDIO.

Reference information

Bibliographic references

  • Deposit

    GALVAN JIMENEZ, MIGUEL; MINA ESPERADA, B.M.P. MARZO 1970, COD. B4736

  • Deposit

    VALENCIA BELLIDO RONAL; ESTUDIO ZONAL ZONA MINERA DE PIRA, B.M.P. JULIO 1972, COD. B2132

  • Deposit

    VALENCIA B., RONAL; VENEGAS, FRANCO; PROPIEDADES MINERAS DEL SR. ARTURO DIAZ SANTILLAN, B.M.P. MARZO 1972, COD. B2218

General comments

Subject category Comment text
Deposit SE TRATA DE TRES VETAS EMPLAZADAS EN LOS VOLCANICOS ANDESITICOS DEL TIPO RELLENO DE FISURA. EL RELLENO MINERAL DE LAS VETAS PRINCIPALES ESTA COMPUESTO POR GALENA, ESFALERITA Y CALCOPIRITA. DENTRO DE LA AUREOLA DEL CONTACTO INTRUSIVO Y VOLCANICOS CON CALIZAS, SE PRESENTA EL DENOMINADO CUERPO ESPERADA QUE AFLORA EN UN AREA DE 20 M.

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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