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  3. Mineral Resource Data System (MRDS)

La Sanjuanina, Mina

Occurrence in San Juan, Argentina with commodities Gold, Silver, 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. 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. Links to other databases
  18. Bibliographic references
  19. General comments
  20. Reporter information

Geologic information

Identification information

Deposit ID 10004168
MRDS ID AR00308
Record type Site
Current site name La Sanjuanina, Mina
Alternate or previous names Minas De Huachi Sector Oriental, Vetas Asociadas: Sentazon, Los Andes, Capacha, La Chilena, Paredes, Quiroga, Ramirez, Carmen, Agua Dulce, La Plata, Amelia, Lidia, Oro, Rico, Picaflor, Santa Elena, Los Berros, Oro Negro, Santa Rita.

Geographic coordinates

Geographic coordinates: -68.8717, -29.91413 (WGS84)
Elevation 2200
Relative position SAN JOSE DE JACHAL A 105 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

Comments on the location information

  • ACCESO REGULAR, ALTA TENSION EN RODEO 65KM AL S (33KW), AGUA EN EL CARRIZAL A 31 KM POR HUELLA, MANO DE OBRA SEMIESPECIALIZADA EN RODEO, JACHAL Y ANGUALASTO. FOTOGRAFIA AEREA 7-8 Y 9 (ESC. 1:25.000) FAJA 118 - MISION ESPARTAN, ANO 1966.

Commodities

Commodity Importance
Gold Primary
Silver Primary
Copper Secondary

Comments on the commodity information

  • PARAGENESIS SUPUESTA: CUARZO I, PIRITA, CUARZO II, CALCOPIRITA, PIRITA AURIFERA, GALENA, BLENDA

Materials information

Materials Type of material
Calcite Gangue

Alteration

  • (Local) Caolinitizacion Y Silicificacion

Analytical data

Result VARIOS ANALISIS: AU 20.80 G/T, 2.40 G/T
Result AG 109 G/T, 2.40 G/T
Result CU 0.17%, 0.14%

Host and associated rocks

  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Dacite
    Rock unit name Formation El Aspero;
    Rock description Formation El Aspero;
    Stratigraphic age (youngest) Late Triassic
    Stratigraphic age (youngest) Pliocene
  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Intermediate Volcanic Rock > Andesite
  • Host or associated Host
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Pyroclastic Rock > Volcanic Breccia (Agglomerate)
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Intermediate Volcanic Rock > Andesite

Nearby scientific data

(1) -68.8717, -29.91413
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Economic information

Geologic structures

Type of structure Regional
Structure description Intenso Plegamiento Meridional, Fallados En Los Flancos Orientales.
Type of structure Local
Structure description Fracturas De Alivio Radiales

Ore body information

  • General form VETIFORME, RELLENO DE FRACTURAS
    Strike N60-100
    Dip 70S A 90

Controls for ore emplacement

  • Estructural, Fallas De Alivio.

Comments on the geologic information

  • CUERPOS DIORITICOS PERMICOS?, INTIMAMENTE RELACIONADOS CON UNA COBERTURA VOLCANICA TRIASICA, INTRUIDA Y LEVANTADA POR LAS ANDESITAS TERCIARIAS PORTADORAS DE LA MINERALIZACION.

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1925
Discoverer Pedro Antonio Bet

Mining district

District name No. 5

Land status

Ownership category Private

Ownership information

  • Type Owner
    Owner Pedro Antonio Bet - Entre Rios 277 (N). San Juan

Comments on the reserve resource information

  • RECURSOS: 7650 TON

Comments on development

  • ESCASOS LABOREOS: DESTAPES SUPERFICIALES Y CORTOS SOCAVONES SOBRE VETA. ; EXPL$: 0.25 ; ECON.YEAR: 86 ; MILL.CAP : 3250 TON

Reference information

Bibliographic references

  • Deposit

    EVALUACION PREVIA FONEM, 1986. CARPETA J0015-00. DIR. NAC. MIN. (INEDITO)

  • Deposit

    RODRIGUEZ MURILLO, MANUEL, 1980. INFORME GEOLOGICO-MINERO DEL SECTOR OCCIDENTAL DE HUACHI, DPTO. JACHAL. PCIA. DE SAN JUAN. DEPARTAMENTO MINERIA DE AL PCIA. DE SAN JUAN

General comments

Subject category Comment text
Deposit VETA SANJUANINA 3: 100*0.28*0.5M - VETA SANJUANINA 4: 60*0.38*0.3M - VETA SANJUANINA 6; 70*0.5*0.25M
Deposit Discovery Year: PRINCIPIOS DE SIGLO

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUN-1986 Borelli, Emore - Segal, Susana Direccion Nacional de Servicio Geologico, Argentina
Updater 01-AUG-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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