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Esperancita, Mina

Past Producer in Ancash, Peru with commodities Silver, Lead, Zinc, Copper
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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. Geologic structures
  10. Ore body information
  11. Controls for ore emplacement
  12. Economic information about the deposit and operations
  13. Land status
  14. Ownership information
  15. Links to other databases
  16. Bibliographic references
  17. General comments
  18. Reporter information

Geologic information

Identification information

Deposit ID 10003986
MRDS ID ANC0067
Record type Site
Current site name Esperancita, Mina

Geographic coordinates

Geographic coordinates: -77.04974, -10.03128 (WGS84)
Elevation 4800
Location accuracy 1000(meters)
Relative position A 13 KM DE LA CIUDAD DE AQUIA., Est . Tomado Del Mapa Geografico Nacional

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

  • LA MINA SE UBICA AL SE, EN EL CACERIO DE TANCAN, DISTRITO DE AQUIA. SE LLEGA A LA ZONA POR EL ITINERARIO SIGUIENTE: HUARAZ-AQUIA-TANCAN-MINA.

Commodities

Commodity Importance
Silver Primary
Lead Primary
Zinc Critical Primary
Copper Primary

Materials information

Materials Type of material
Galena Ore

Analytical data

Result 3.35 OZ/TC AG, 0.64% PB, 0.034% CU, 3.48% ZN

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock > Quartzite
    Stratigraphic age (youngest) Late Cretaceous
    Stratigraphic age (youngest) Late Cretaceous
  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Shale
  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Limestone
    Rock unit name Formacion Santa
    Rock description Formacion Santa

Nearby scientific data

(1) -77.04974, -10.03128
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description Existe Un Anticlinal Cuyo Flanco Este Esta Formado Por Calizas, Cuarcitas Y Lutitas Negras.

Ore body information

  • General form IRREGULAR
    Strike N56-60W
    Dip 35NE

Controls for ore emplacement

  • Fracturas

Comments on the geologic information

  • EN LA ZONA DOMINAN ROCAS CALCAREAS (CALIZAS GRISES) DEL CRETACICO, INTERESTRATIFICADAS CON PAQUETES DE CUARCITAS Y LUTITAS NEGRAS PIZARROSAS CON UNA POTENCIA DE 2 Y 1 M. APROXIMADAMENTE.

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No

Land status

Ownership category Private

Ownership information

  • Type Owner-Operator
    Owner Aquiles Bottger Chipana

Comments on the production information

  • NO SE HA EXTRAIDO NINGUN TONELAJE DE VALOR COMERCIAL.

Comments on the reserve resource information

  • NO HAY EVIDENCIAS ESTRUCTURALES FAVORABLES QUE PERMITAN SUGERIR UNA MINERALIZACION INTERESANTE VERTICAL NI LONGITUDINALMENTE.

Comments on the workings information

  • EN LA MINA SE TRABAJO EN FORMA MECANIZADA (COMPRESORA Y MARTILLOS).

Comments on development

  • EXISTE UN SOCAVON DE CORTADA DESARROLLADO PERPENDICULARMENTE AL ESTRATO. DICHO SOCAVON CORTA CALIZAS DE COLOR GRIS LAS CUALES CONTIENEN DEBILES DISEMINACIONES DE MINERAL CONTENIENDO LEYES SUB-MARGINALES.

Reference information

Bibliographic references

  • Deposit

    GALVAN, MIGUEL; INFORME TECNICO DE LA MINA ESPERANCITA, B.M.P. ENERO 1971, COD. B2228

General comments

Subject category Comment text
Deposit SE TRATA DE FRACTURAS IRREGULARES LAS CUALES PRESENTAN DISEMINACIONES DE MARMATITA Y GALENA, Y ESTAN CONTENIDAS EN ROCA CALIZA DE TONALIDAD LIGERAMENTE MARRON DEBIDO AL ALTO CONTENIDO DE HEMATITA Y LIMONITA. LA MINERALIZACION ES PROBABELEMENTE SINGENETICA CON LA FORMACION DE CALIZAS.

Reporter information

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