Chanchamina, Mina

Past Producer in Junin, Peru with commodities Gold, Silver, Lead, Zinc
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. Links to other databases
  18. Bibliographic references
  19. Reporter information

Geologic information

Identification information

Deposit ID 10025030
MRDS ID JUN0007
Record type Site
Current site name Chanchamina, Mina

Geographic coordinates

Geographic coordinates: -75.78304, -11.38122 (WGS84)
Elevation 4000
Relative position TARMA, ESTA MUY CERCANO, TAL VES A UNOS 12 KM.

Site location context

Political divisions (FIPS codes)

Junin(province)

Peru(country)

South America(continent)

Land(continent)

Geographic areas

Country State
Peru Junin

Commodities

Commodity Importance
Gold Primary
Silver Primary
Lead Primary
Zinc Critical Primary

Materials information

Materials Type of material
Galena Ore

Alteration

  • (Local) Caolinizacion, Silicificacion.

Analytical data

Result LEY PROMEDIO AU: 0.3 OZ/TC, AG: 7.5 OZ/TC, PB:3 %, ZN: 2.5 % PUEDEN SER ACTUALMENTE EXTRAIDOS DE CHANCHAMINA.

Host and associated rocks

  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Dacite
    Rock unit name Puy Puy;6
    Rock description Puy Puy;6
    Stratigraphic age (youngest) Late Jurassic
  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Limestone

Nearby scientific data

(1) -75.78304, -11.38122

Economic information

Geologic structures

Type of structure Regional
Structure description En La Region De Chancha La Estructura Geologica Que Forma El Limite Sur-Occidental Del Bloque Que Corresponde Al Citado Complejo Anticlinal, Es Una Falla Regional Que Ha Levantado El Bloque N.E. En Relacion A Las Formaciones Mesozoicas Al Suroeste. Paralelo A La Falla Y En Parte Controlado Por La Misma, Aflora Un Intrusivo Hipohabisal (Puy Puy) De Composicion Dacitica, El Cual Intruye Tanto Las Rocas Mesozoicas Al Sur Este Como Las Del Paleozoico Al Noroeste.
Type of structure Local
Structure description La Localizacion De Los Diques Y Sills Parece Haber Sido Controlada Por Fracturas De Rumbo Ne-Sw Y Por Horizontes Favorables.

Ore body information

  • General form IRREGULAR

Controls for ore emplacement

  • Chimenea De Breca

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Medium
Significant No
Discovery year 1924

Mining district

District name La Union

Land status

Ownership category Private

Ownership information

  • Type Owner-Operator
    Owner Cia. Minera Chanchamina S.A.

Reference information

Bibliographic references

  • Deposit

    FERNANDO DE LAS CASAS MINA CHANCHAMINA BMP 1961 INGEMMET B4368

Reporter information

Type Date Name Affiliation Comment
Reporter 01-FEB-1994 Alva Ruiz, Jose L. Instituto Geologico Minero Y Metalurgico, Peru
Updater 01-MAR-1994 Paz Maidana, Manuel Instituto Geologico Minero Y Metalurgico, Peru

Beyond USGS

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