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Cerro Urcuschum

Occurrence in La Rioja, Argentina with commodities Molybdenum, Uranium, Tungsten, 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. Workings at the site
  18. Links to other databases
  19. Bibliographic references
  20. General comments
  21. Reporter information

Geologic information

Identification information

Deposit ID 10090259
MRDS ID AR00286
Record type Site
Current site name Cerro Urcuschum

Geographic coordinates

Geographic coordinates: -68.72448, -29.56413 (WGS84)
Relative position GUANDACOL 33KM

Site location context

Political divisions (FIPS codes)

La Rioja(province)

Argentina(country)

South America(continent)

Land(continent)

Federal lands

Federal(land status)

Geographic areas

Country State
Argentina La Rioja

Comments on the location information

  • ACCESO REGULAR A MALO. MANO DE OBRA DISPONIBLE. ALTA TENSION A 20 KM. FOTOS AEREAS: MOSAICO 46D 1:50.000

Commodities

Commodity Importance
Molybdenum Primary
Uranium Primary
Tungsten Critical Tertiary
Copper Tertiary

Comments on the commodity information

  • MOLIBDENITA ESTRATIFORME, EN LENTES, PRINCIPALMENTE EN EL SKARN GRANATIFERO, CUYA MAXIMA POTENCIA ES DE 10CM. COMUNMENTE LA MOLIBDENITA ESTA EN LAMINILLAS DISPERSAS RECUBIERTAS POR MATERIAL TERROSO BLANCO-AMARILLENTO, MOLIBDITA.SCHELLITA EN GRANOS FINOS DISPERSOS Y MAGNETITA EN CRISTALES TABULARES

Materials information

Materials Type of material
Calcite Gangue

Alteration

  • (Local) Metasomatismo De Contacto

Analytical data

Result MO 0.6%

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
    Rock unit name Dioritas Y Monzodioritas
    Rock description Dioritas Y Monzodioritas
    Stratigraphic age (youngest) Late Ordovician
    Stratigraphic age (youngest) Late Triassic
    Stratigraphic age (youngest) Late Triassic
  • Host or associated Host
    Rock type Metamorphic Rock > Skarn (Tactite)
    Rock unit name Formation San Juan;Formation Panacan
    Rock description Formation San Juan;Formation Panacan

Nearby scientific data

(1) -68.72448, -29.56413
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Economic information

Geologic structures

Type of structure Regional
Structure description Plegamientos Intensos Meridionales, Fallados En Sus Flancos Orientales Con Corrimientos Que Provocan Inversiones Estratigraficas
Type of structure Local
Structure description Fallas Inversas N-S Incl. W

Ore body information

  • General form ESTRATIFORME, LENTICULAR
    Strike N-S A NW-SE
    Dip 20-25 W

Controls for ore emplacement

  • Litologico

Comments on the geologic information

  • LA INTRUSION PERMOTRIASICA PROVOCA EL METASOMATISMO EN LAS CALIZAS CON LA CONSECUENTE REMOVILIZACION DE LA MINERALIZACION Y SU DEPOSICION EN EL SKARN. EL STOCK DEL CERRO URCUSCHUM ES ELONGSADO E-W (1200*600M) Y OCUPA UNA POSICION DEPRIMIDA EN RELACION A LAS CALIZAS INTRUIDAS.

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Medium
Significant No
Discovery year 1964
Discoverer Comision Nacional De Energia Atomica
Year of last production 1968

Mining district

District name Cerro Urcuschum

Land status

Ownership category Federal

Ownership information

  • Type Operator
    Owner Idem
  • Type Owner
    Owner Comision Nacional De Energia Atomica, Av. Del Libertador , Capital Federal

Comments on the reserve resource information

  • RECURSOS: 450.000 TN
  • RESERVAS TOTALES: 1.100.000 TN
  • RESERVAS: 650.000 TN

Workings at the site

  • Type of workings Surface
    Area 96HA

Comments on the workings information

  • DOS SOCAVONES EXPLORATORIOS DE 18M, 25 LABORES SUPERFICIALES. TRINCHERAS DE 1M*3 A 20M.

Comments on development

  • EXPLOTACION POR CANTERAS Y TRINCHERAS CORTANDO UNO O MAS BANCOS MINERALIZADOS. SELECCION MANUAL. EXTRACCION A CIELO ABIERTO. SIN MAQUINARIA, CAMPAMENTO RUDIMENTARIO

Reference information

Bibliographic references

  • Deposit

    EVALUACION PREVIA FONEM 1986 CARPETA F-0022-00. DIREC.NAC.MINERIA INEDITO

  • Reserve-Resource

    EVALUACION FONEM 1986

General comments

Subject category Comment text
Deposit BANCO SUPERIOR:750*0.5*100M, BANCO INTERMEDIO: 750*1*4100M, BANCO INFERIOR: 750*2*100M
Deposit LA MINERALIZACION ES MUY IRREGULAR, VARIANDO CONINUAMENTE. SOLO ES POSIBLE EL APROVECHAMIENTO DE EVENTUALES BOLSONES CUYA LOCALIZACION REQUIERE UNA DETALLADA EXPLORACION. EL SECTOR NORTE ES EL MAS IMPORTANTE EN CONTINUIDAD, POTENCIA Y FRECUENCI DE LAS LENTESA ; INFO.SRC : 2 UNPUB REPT

Reporter information

Type Date Name Affiliation Comment
Reporter 01-DEC-1986 Marcos, Oscar Direccion Nacional de Mineria, Argentina
Updater 01-APR-1993 Martinez, Hector (Nieto, Diego Silva) 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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