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  3. Mineral Resource Data System (MRDS)

Cerro Atajo

Occurrence in Catamarca, Argentina with commodities Tungsten, 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. Alteration
  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. Mining district
  14. Ownership information
  15. Reserves and resources
  16. Workings at the site
  17. Links to other databases
  18. Bibliographic references
  19. General comments
  20. Reporter information

Geologic information

Identification information

Deposit ID 10004197
MRDS ID AR00343
Record type Site
Current site name Cerro Atajo

Geographic coordinates

Geographic coordinates: -66.48276, -27.36413 (WGS84)
Elevation 3000
Relative position ANDALGALA A 85 KM.

Site location context

Political divisions (FIPS codes)

Catamarca(province)

Argentina(country)

South America(continent)

Land(continent)

Geographic areas

Country State
Argentina Catamarca

Comments on the location information

  • ANDALGALA-AGUA DE PASTA:CONSOLIDADO. ALTA TENSION, CATAMARCA 300 KM. AGUA 100 A 150 M3/DIA. LLUVIAS: 200 A 250 MM/ANO.

Commodities

Commodity Importance
Tungsten Critical Primary
Gold Primary

Comments on the commodity information

  • ORO NATIVO Y PIRITA AURIFERA ACOMPANAN A WOLFRAMITA EN CONCENTRACIONES IRREGULARES.

Alteration

  • (Local) Argilica, Piritica Y Silico-Alunitica.

Analytical data

Result ORO:23.03 GR/T
Result PLATA:42.7 GR/T
Result PLOMO:645 PPM
Result CU:941 PPM.

Host and associated rocks

  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Dacite
    Rock unit name Porfido Dacitico
    Rock description Porfido Dacitico
    Stratigraphic age (youngest) Miocene
  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Intermediate Volcanic Rock > Andesite
  • 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

Nearby scientific data

(1) -66.48276, -27.36413
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description Fallamientos. Bloques Basculados. Pliegues.
Type of structure Local
Structure description Nucleos De Sinclinales.

Ore body information

  • General form LENTICULAR
    Strike N 60 W
    Dip 60 SW
    Thickness 200M
    Length 500M
    Width 0.5M
    Depth to top 0M
    Depth to bottom 100M

Controls for ore emplacement

  • Estructural.

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No
Year of last production 1931

Mining district

District name Cerro Atajo

Ownership information

  • Type Owner
    Owner Dir. Prov. Mineria De Catamarca - Chacabuco 619 - Primero Piso

Reserves and resources

  • Type In-situ
    Estimate year 1986
    Commodity Subtype Grade units Group Importance Year
    Gold Au 10 g/mt Gold Major 1986

Workings at the site

  • Type of workings Surface/Underground
    Overall depth 30M

Comments on the workings information

  • CORTAVETAS EXPLORATORIAS: 130 M. TRABAJOS GEOFISICOS REVELAN ESTRUCTURAS A 200 M.

Comments on development

  • SE EXPLOTO ZONA DE OXIDACION EN RAJOS SUPERFICIALES Y SUBTERRANEOS. LABOREO SUBTERRANEO: 300 M. . PIQUE: 90 M. CAMPAMENTO PRECARIO. ; ECON.COM: GTZ 1986. (EVALUACION PREVIA)

Reference information

Bibliographic references

  • Deposit

    PERALTA Y MARTOS (1987) - PROYECTO CERRO ATAJO - EV. PREVIA CE.N.O.A. TUCUMAN - SEC. DE MINERIA

General comments

Subject category Comment text
Deposit VETIFORME, POLIMETALICO, HIDROTERMAL SUBVOLCANICO.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-DEC-1986 Albornoz, Horacio Guillermo Direccion Nacional de Mineria, Argentina
Updater 01-SEP-1993 Diego Silva Nieto Direccion Nacional de Mineria, Argentina

Beyond USGS

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

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