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Estrella, Mina

Occurrence in La Rioja, Argentina with commodities Copper, Silver, Lead, Zinc
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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. Mining district
  14. Land status
  15. Ownership information
  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 10004149
MRDS ID AR00285
Record type Site
Current site name Estrella, Mina
Alternate or previous names Estrella Alta, Estrella Baja

Geographic coordinates

Geographic coordinates: -68.24558, -28.15302 (WGS84)
Relative position VILLA UNION 178 KM

Site location context

Political divisions (FIPS codes)

La Rioja(province)

Argentina(country)

South America(continent)

Land(continent)

Geographic areas

Country State
Argentina La Rioja

Comments on the location information

  • ACCESO BUENO HASTA POTRERO GRANDE, DOBLE TRACCION HASTA LA MINA VERDIONA, MULARES HASTA MINA ESTRELLA. MANO DE OBRA DISPONIBLE. ALTA TENSION A 73 KM. FOTOS AEREAS NO. 2969-213-9

Commodities

Commodity Importance
Copper Primary
Silver Secondary
Lead Tertiary
Zinc Critical Tertiary

Comments on the commodity information

  • LOS SULFUROS APARECEN COMO CRISTALES BIEN DESARROLLADOS EN GANGA DE CUARZO EN LA PARTE CENTRAL DE LAS VETAS. NO HAY ZONACION DEFINIDA AUNQUE EN LOS BOLSONES INFERIORES SOLO HAY MINERALES DE COBRE, MIENTRAS QUE EN LOS SUPERIORES APARECEN GALENA Y BLENDA. LA MINERALIZACIOHN EXPLOTADA ESTA EN LA ZONA DE OXIDACION . LA CALCOSINA SECUNDARIA ES EL PRINCIPAL MINERAL DE COBRE

Materials information

Materials Type of material
Malachite Ore

Analytical data

Result CU 7.1%, AG 390 G/TN, ZN 0.17%, PB 0.7%

Host and associated rocks

  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Dacite
    Stratigraphic age (youngest) Pennsylvanian
  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Intermediate Volcanic Rock > Andesite
    Rock unit name Formation Cerro Chusco;Formation Rio Tendal
    Rock description Formation Cerro Chusco;Formation Rio Tendal
  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock > Quartzite

Nearby scientific data

(1) -68.24558, -28.15302
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description Bloques Alineados N-S, Escalonados E-W
Type of structure Local
Structure description Fallas Paralelas Rumbo N 50-60 Winclinadas Al Sw

Ore body information

  • General form VETIFORME
    Strike N 50-70 W
    Dip 80-85 SW

Controls for ore emplacement

  • Estructural

Comments on the geologic information

  • MINERALIZACION VINCULADA CON INTRUSIVOS DE LA FM RIO TENDAL. DOS TIPOS DE METAMORFISMOS REGIONALES: 1- DE ALTO GRADO, PRECAMBRICO EN LA FM ESPINAL, 2- DE BAJO GRADO, LEPTOMETAMORFISMO AVANZADO, PALEOZOICO INF, AFECTA FM RIO BONETE

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1870

Mining district

District name Valle Hermoso

Land status

Ownership category Private

Ownership information

  • Type Operator
    Owner Idem
  • Type Owner
    Owner Cia. De Minas Mogote De Rio Blanco. San Martin 93 - La Rioja

Comments on the reserve resource information

  • RECURSOS: 6100 TN

Workings at the site

  • Type of workings Underground
    Area 12HA

Comments on the workings information

  • LABOR 2 SOBRE VETA 1, 126M DE GALERIAS CON PIQUES Y CHIMENEAS DE COMUNICACION. LABORES EN VETA 3 SIGUEN EN IMPORTANCIA PERO ESTAN INACCESIBLES. LABOR 18 SOBRE VETA 5, 75M DE GALERIAS

Comments on development

  • NO HAY DESARROLLO DE MINA. EXPLOTACION POR PIRQUIN Y EXTRACCION MANUAL ; TOTAL$: .35

Reference information

Bibliographic references

  • Deposit

    EVALUACION PREVIA FONEM 1986. CARPWETA F-0018-00. DIREC.NAC.MINERIA INEDITO

General comments

Subject category Comment text
Deposit VETA 1:80*0.2*60M, VETA 2: 65*0.3*20M, VETA 3: 30*0.3*50M, VETA 4-7: 65*0.1*10M, VETA 5: 80*0.15*70M, VETA 8: 15*0.1*5M
Deposit EL EXIGUO TONELAGE EL ACCESO INACCESIBLE, LA MALA UBICACION GEOGRAFICA Y LA FALTA DE INFRAESTRUCTURA, HACEN EL YACIMIENTO INEXPLOTABLE. NO SE RECOMIENDAN OTROS ESTUDIOS O LABORES. SE SUGIERE DIRIGIR LA EXPLORACION A OTRAS MINAS DE DISTRITO ; INFO.SRC : 2 UNPUB REPT

Reporter information

Type Date Name Affiliation Comment
Reporter 01-DEC-1986 Cravero, Osvaldo Direccion Nacional de Mineria, Argentina
Updater 01-MAR-1993 Martinez, Hector 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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