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Cercana Mina Nivel 1

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

Geologic information

Identification information

Deposit ID 10056300
MRDS ID TAC0048
Record type Site
Current site name Cercana Mina Nivel 1

Geographic coordinates

Geographic coordinates: -70.03984, -17.84072 (WGS84)
Elevation 2000
Relative position PACHIA A 13 KM AL SW (LINEA RECTA)

Site location context

Political divisions (FIPS codes)

Tacna(province)

Peru(country)

South America(continent)

Land(continent)

Geographic areas

Country State
Peru Tacna
Peru Tacna

Comments on the location information

  • POR CARRETERA DE TACNA A PACHIS (KM 35) LUEGO UN DESVIO DE 200 MTS HACIA LA MINA. 2 KMS AL NE DE MINA LA CERCANITA. PARAJE QUEBRADA PALCA MARGEN IZQIUERDA

Commodities

Commodity Importance
Copper Primary
Silver Primary

Comments on the commodity information

  • EN LOS NIVELES SUPERIORES ESTAN LOS MINERALES OXIDADOS DE COBRE(ZONA SUPERGENA)Y EN LOS NIVELES INFERIORES SE PRESENTAN LOS SULFUROS PRIMARIOS(ZONA HIPOGENA)

Materials information

Materials Type of material
Malachite Ore
Calcite Gangue

Alteration

  • (Local) Hidrotermal (Caolinizacion Y Algo Silicificacion)

Host and associated rocks

  • Host or associated Host
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
    Rock unit name Moquegua
    Rock description Moquegua
    Stratigraphic age (youngest) Paleocene
    Stratigraphic age (youngest) Pliocene
    Stratigraphic age (youngest) Paleocene

Nearby scientific data

(1) -70.03984, -17.84072
ListMap

Economic information

Geologic structures

Type of structure Local
Structure description Fracturas De Rumbo N-S
Type of structure Regional
Structure description Fallas

Ore body information

  • General form IRREGULAR
    Strike N 14 W
    Dip 76 E
    Length 700M
    Width 2M

Controls for ore emplacement

  • Estructurales

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Lluta

Land status

Ownership category Private

Ownership information

  • Type Owner
    Owner Cia. Minera Cercana S. A. (Jose Casaretto E Hijos)

Production statistics

  • Year 1956
    Material CU AG
    Accuracy Accurate
    Description Ap_Grade: ^%Cu 2.94, Oz Ag 2.60
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Silver Silver 73g/mt
    Major Copper Copper 3wt-pct
  • Year 1956
    Material CU AG
    Accuracy Accurate
    Description Ap_Grade: ^%Cu 4.31, Oz Ag 3.20
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Silver Silver 90g/mt
    Major Copper Copper 4wt-pct
  • Year 1956
    Material CU AG
    Accuracy Accurate
    Description Ap_Grade: ^%Cu 13.76, Oz Ag 3.36
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Silver Silver 95g/mt
    Major Copper Copper 14wt-pct

Comments on the production information

  • SOLO DE MINERALES OXIDADOS EN CANCHA SE TIENE 12,680 T.M. SOLO SE EXTRAE MINERAL DE LOS PILARES QUE AUN QUEDAN. ACTUALMENTE PRODUCEN DE 5 A 10 T.M. DE MINERAL ESCOGIDO AL MES (1974)

Reserves and resources

  • Type In-situ
    Estimate year 1960
    Total resources 1500000mt ore
    Commodity Subtype Grade units Group Importance Year
    Copper Cu 3.7 wt-pct Copper Major 1960
    Silver Ag 101.086 g/mt Silver Major 1960

Comments on the reserve resource information

  • RESERVAS DE MINERAL SULFURADO. EN 1974 SOLO SE DAN RESERVAS PROSPECTIVAS 1,000 T.M.SE INFORMA QUE LAS RESERVAS ESTAN AGOTADAS Y SON SUB-MARGINADAS. LOS SULFUROS PRIMARIOS EN PPROFUNDIDAD TIENEN ALTA PROPORCION DE ARSENICO(3.86%)

Workings at the site

  • Type of workings Underground
    Length 300M
    Overall depth 37M

Comments on the workings information

  • EL NIVEL 1 SE ENCUENTRA A 70 M VERTICAL MAS BAJO QUE EL NIVEL 2, EXISTEN 6 NIVELES Y 4 PIQUES PRINCIPALES TODOS SOBRE VETA. HA SIDO TRABAJADA DESDE HACE 35 ANOS SIN CRITERIO TECNICO. EL PIQUE MAS PROFUNDO 100 MTS (INFORMACION VERBAL).LAS DEMAS LABORES ESTAN INACCESIBLES. SE TRABAJA CON PERFORACION NEUMATICA. EL METODO USADO FUE EL DE CORTE Y RELLENO CON ZIRCADO O

Comments on development

  • SE TIENE UN PRTOMEDIO DE LAS MUESTRAS DEL NIVEL 1 QUE DAN 8.77%CU,0240 AG OZ/TC PARA UNA POTENCIA DE 0.30 M.EL NIVEL 2 DE UN PROMEDIO DE 7 MUESTRAS DIO 6.4%CU,2.6 OZ/TC AG PARA UNA POTENCIA DE 0.23 M

Reference information

Bibliographic references

  • Deposit

    PAREDES, ANGEL; INFORME TECNICO SOBRE LA MINA "CERCANA", BANCO MINERO, 1956.COD. B 5603

  • Deposit

    ESCUDERO RATTO, JULIO; INFORME GEOLOGICO DE LOS DEPOSITOS DEL DEPARTAMENTO DE TACNA AREA DE LLUTA; I.N.I.F.M 1,962.COD.B 0021

  • Deposit

    VARGAS, ARCADIO Y PAZ MAIDANA, MANUEL; GEOLOGIA Y MINERIA DE LAS UNIDADES DE ILABRA Y CERCANA (DPTO DE TACNA); SERVICIO DE GEOLOGIA Y MINERIA, 1974.COD. B7278

  • Deposit

    FERNANDEZ,HORACIO INFORME ESTUDIO ZONAL DE LA ZONA PACHIA-PALCA 1,972.COD.B 6352

General comments

Subject category Comment text
Deposit EL DENUNCIO COMPRENDE 20 HECTAREAS ; INFO.SRC : 2 UNPUB REPT

Reporter information

Type Date Name Affiliation Comment
Reporter 01-NOV-1993 Quispe Aranda, Luis Alberto 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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