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  3. Mineral Resource Data System (MRDS)

El Retamo, Grupo

Occurrence in La Rioja, Argentina with commodities Gold, 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. Host and associated rocks
  7. Nearby scientific data
  8. Geologic structures
  9. Ore body information
  10. Controls for ore emplacement
  11. Economic information about the deposit and operations
  12. Mining district
  13. Links to other databases
  14. Bibliographic references
  15. General comments
  16. Reporter information

Geologic information

Identification information

Deposit ID 10004152
MRDS ID AR00289
Record type Site
Current site name El Retamo, Grupo
Alternate or previous names Yacimiento La Pirca, Yacimiento El Cerco.

Geographic coordinates

Point of reference Approximate
Geographic coordinates: -67.16794, -29.67147 (WGS84)
Relative position CHEPES A 65 KM AL NW

Site location context

Political divisions (FIPS codes)

La Rioja(province)

Argentina(country)

South America(continent)

Land(continent)

Geographic areas

Country State
Argentina La Rioja

Commodities

Commodity Importance
Gold Primary
Copper Primary

Comments on the commodity information

  • MINERALIZACION EN AGREGADOS GRANULARES, CALCOPIRITA DISEMINADA.

Analytical data

Result AU 5-6 G/TON, CU 1.5%

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
    Stratigraphic age (youngest) Late Silurian
    Stratigraphic age (youngest) Late Permian
  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Granite
    Rock unit name Formation Ulapes;Formation Chepes;Formation Las Asperezas
    Rock description Formation Ulapes;Formation Chepes;Formation Las Asperezas
  • Host or associated Host
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
  • Host or associated Host
    Rock type Metamorphic Rock > Gneiss > Migmatite
    Rock unit name Grupo Paganzo
    Rock description Grupo Paganzo

Nearby scientific data

Approximate (1) -67.16794, -29.67147
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description Bloques Meridionales Escalonados Este - Oeste
Type of structure Local
Structure description Fallas N 70 E, Incl. 50-70ne

Ore body information

  • General form VETIFORME
    Strike N70E
    Dip 50-70NW

Controls for ore emplacement

  • Estructural

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name El Retamo

Reference information

Bibliographic references

  • Deposit

    RECONOCIMIENTO GEOLOGICO MINERO DEL GRUPO MINERO "EL RETAMO". 1988. CARPETA F-0019-00. DIREC.NAC.MINERIA

General comments

Subject category Comment text
Deposit LOS SECTORES MAS INTERESANTES EN CUANTO A LA LEY DE ORO SON LAS LABORES MAYORES DE LA MINA EL CERCO Y LAS CALICATAS SUR Y LOS CHILENOS EN "LA PIRCA", SE ESTIMA QUE LA MINERALIZACION NO VARIA EN PROFUNDIDAD, DEBE CONSIDERARSE UNA EXPLORACION Y EXPLOTACION EN ESCALA REDUCIDA EN UN PROYECTO GENERAL DE EXPLOTACION DEL DISTRITO AURIFERO "SIERRA DE LAS MINAS". ; INFO.SRC : 2 UNPUB REPT

Reporter information

Type Date Name Affiliation Comment
Reporter 01-DEC-1988 Marcos, Oscar R. Direccion Nacional de Mineria, Argentina
Updater 01-APR-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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