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  3. Mineral Resource Data System (MRDS)

La Rosario

Occurrence in San Juan, Argentina with commodities Lead, Copper, Zinc, Gold, 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. Mining district
  15. Land status
  16. Ownership information
  17. Workings at the site
  18. Links to other databases
  19. Bibliographic references
  20. General comments
  21. Reporter information

Geologic information

Identification information

Deposit ID 10004179
MRDS ID AR00323
Record type Site
Current site name La Rosario

Geographic coordinates

Geographic coordinates: -69.57727, -31.20579 (WGS84)
Relative position CALINGASTA 30 KM AL SUR. SAN JUAN CAPITAL 165 KM AL SE

Site location context

Political divisions (FIPS codes)

San Juan(province)

Argentina(country)

South America(continent)

Land(continent)

Geographic areas

Country State
Argentina San Juan

Commodities

Commodity Importance
Lead Primary
Copper Primary
Zinc Critical Primary
Gold Tertiary
Silver Tertiary

Comments on the commodity information

  • TEXTURAS DE REEMPLAZO, EN CONTACTO CON BLENDA, GALENA Y PIRITA, INTERCRECIMIENTOS DE COVELLINA POR SUSTITUCION. PARAGENESIS: PRIMERO DEPOSICION : PIRITA Y CUARZO; SEGUNDO DEPOSICION GALENA, BLENDA Y CALCOPIRITA; TERCERO FORMACION DE COVELLINA A EXPENSAS DE SULFUROS, DEPOSICION DE CUARZO

Materials information

Materials Type of material
Galena Ore

Alteration

  • (Local) Propilitizacion

Analytical data

Result PB 7.1%, CU 5%, ZN 2.2%

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
    Rock unit name Grupo Choiyoi
    Rock description Grupo Choiyoi
    Stratigraphic age (youngest) Late Triassic
    Stratigraphic age (youngest) Pennsylvanian
    Stratigraphic age (youngest) Late Triassic
    Stratigraphic age (youngest) Pennsylvanian

Nearby scientific data

(1) -69.57727, -31.20579
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description Complejo Sedimentario Plutonico Plegado Y Fallado
Type of structure Local
Structure description Anticlinal Fallado N-S, Buzando 30-45w. Fallamiento N-Nw, Buzamiento 65w A Subvertical

Ore body information

  • General form VETIFORME, RELLENO DE FISURAS
    Strike N 10-25W
    Dip 65-90 W

Controls for ore emplacement

  • Estructural Y Litologico

Comments on the geologic information

  • METAMORFISMO REGIONAL DE BAJO A MEDIANO GRADO EN LAS SEDIMENTITAS, DE CONTACTO EN LAS PLUTONITAS

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1967
Discoverer Lorenza Aguilera De Fernandez
Year of first production 1967
Year of last production 1978
Production years 11 ANOS EN FORMA INTERMITENTE

Mining district

District name No. 6 Castano

Land status

Ownership category Private

Ownership information

  • Type Owner
    Owner Lorenza Aguilera De Fernandez

Comments on the production information

  • INTERMITENTE

Comments on the reserve resource information

  • RESERVAS: 750 TN
  • RECURSOS: 8900 TN
  • RESERVAS TOTALES: 9500 TN

Workings at the site

  • Type of workings Surface/Underground
    Area 12HA

Comments on the workings information

  • 17 LABORES SUBTERRANEAS Y A CIELO ABIERTO. EN LA VETA 1 SE HAN REALIZADO 5 LABORES, LA MAS IMPORTANTE ES LA LABOR 1 CON 50M, 30 DE LOS CUALES SON A CIELO ABIERTO. LA LABOR 2 TIENE 32M A CIELO ABIERTO. EL RESTO DE LAS LABORES SON SUPERFICIALES EN FORMA DE RAJOS CORTOS.

Comments on development

  • ECON.COM: EL YACIMIENTO NO TIENE POSIBILIDADES ECONOMICAS

Reference information

Bibliographic references

  • Deposit

    EVALUACION PREVIA FONEM 1986. CARPETA J0005-00. DIR. NAC. MINERIA. INEDITO

  • Reserve-Resource

    EVALUACION FONEM 1986 CARPETA J0005-00

General comments

Subject category Comment text
Deposit VETA NO. 1: 250*0.3*20M; VETA 2 50*0.3*20M; VETA 3 200*0.3*20M; VETA 4 70*0.3*20M

Reporter information

Type Date Name Affiliation Comment
Reporter 01-DEC-1986 Rojo, Carlos A. Direccion Nacional de Mineria, Argentina
Updater 01-AUG-1993 Martinez, Hector (Nieto, Diego Silva) Direccion Nacional de Servicio Geologico, Argentina

Beyond USGS

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

Maps centered on this site