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  3. Mineral Resource Data System (MRDS)

San Francisco, Mina

Past Producer in La Rioja, Argentina with commodities Selenium, 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. 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 10097605
MRDS ID AR00276
Record type Site
Current site name San Francisco, Mina

Geographic coordinates

Geographic coordinates: -67.89946, -29.36412 (WGS84)
Relative position CHILECITO, 90KM AL NE

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

  • RELIEVE: ABRUPTO, CLIMA: CONTINENTAL SEMIDESERTICO, LINEA DE ALTA TENSION MAS PROXIMA: VILLA UNION (33KM), FUENTE DE AGUA MAS PROXIMA: RIO DEL PUERTO A 2KM POR SENDA. FOTOGRAFIA AEREA: MOSAICO D48, PLAN 1809, FOTO 22

Commodities

Commodity Importance
Selenium Primary
Copper Primary
Silver Primary

Comments on the commodity information

  • LA MINERALIZACION PRESENTA UNA TEXTURA BANDEADA, CON GANGA EN DISPOSICION "DIENTE DE PERRO".

Materials information

Materials Type of material
Malachite Ore
Calcite Gangue

Alteration

  • (Local) Propilitica (Escasa)

Analytical data

Result MUESTRA COMUN: SE 1.05%, CU 4.5%, AG 120G/T.

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Granite
    Rock unit name Formacion Famatina
    Rock description Formacion Famatina
    Stratigraphic age (youngest) Late Devonian
    Stratigraphic age (youngest) Late Ordovician
    Stratigraphic age (youngest) Late Ordovician
    Stratigraphic age (youngest) Late Devonian
  • Host or associated Host
    Rock type Metamorphic Rock > Schist
    Rock unit name Negro Peinado
    Rock description Negro Peinado

Nearby scientific data

(1) -67.89946, -29.36412
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description Bloques Limitados Por Fallas Rumbo Ns
Type of structure Local
Structure description Fallamiento Ew

Ore body information

  • General form VETIFORME, RELLENO DE FISURAS
    Dip 65-85N

Controls for ore emplacement

  • Estructural, Fallas.

Comments on the geologic information

  • LA MINERALIZACION ES POSTERIOR AL GRANITO FAMATINA, POSIBLEMENTE RELACIONADA CON LOS DIQUES DE LAMPROFIRO

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1956
Discoverer Ramon R. Paez
Year of last production 1981
Production years 1

Land status

Ownership category State

Ownership information

  • Type Operator
    Owner Vacante
  • Type Owner
    Owner Grunblat Alejandro L. Hasta El Ano 1984

Comments on the reserve resource information

  • RECURSOS 7500 TON.

Workings at the site

  • Type of workings Underground
    Area 18HA

Comments on the workings information

  • GALERIA CHIFLONADA DE 10M, TRICHERA DE 100M3 EN CINCO LABORES, DOS SOCAVONES DE 5M.

Comments on development

  • SISTEMA DE EXTRACCION MANUAL, SIN ENERGIA ELECTRICA NI AGUA EN MINA.

Reference information

Bibliographic references

  • Deposit

    EVALUACION PREVIA FONEM (1986), CARPETA F-0020-00. DIR.NAC.MINERIA, INEDITO

General comments

Subject category Comment text
Deposit VETAS: ALEJANDRO-GRACIELA 20 X 0.8 X 15M, DON ANDRES 5 X 0.1X 5M, ULTIMA ESPERANZA 5 X 0.1 X 5M, NICO 4 X 0.5 X 4M, BETO 5 X 0.5 X 5M.
Deposit LA ESCASA RESERVA NO LE ASIGNA IMPORTANCIA ECONOMICA. SOLO SE CONSIDERARIA UNA OBTENCION DE MODO ARTESANAL CON ESCASA INVERSION. ; INFO.SRC : 2 UNPUB REPT

Reporter information

Type Date Name Affiliation Comment
Reporter 01-DEC-1986 Guerrero, Miguel A. Direccion Nacional de Mineria, Argentina
Updater 01-MAR-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.

Maps centered on this site