Los Avestruces - Las Asperezas

Past Producer in San Luis, Argentina with commodities Tungsten, Bismuth, Molybdenum
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. Ore body information
  10. Controls for ore emplacement
  11. Economic information about the deposit and operations
  12. Land status
  13. Ownership information
  14. Production statistics
  15. Reserves and resources
  16. Links to other databases
  17. Bibliographic references
  18. General comments
  19. Reporter information

Geologic information

Identification information

Deposit ID 10004126
MRDS ID AR00209
Record type Site
Current site name Los Avestruces - Las Asperezas

Geographic coordinates

Geographic coordinates: -66.11606, -32.59744 (WGS84)
Elevation 1000
Relative position 96 KM W DE CONCARAN, 7KM SW DE SAN MARTIN

Site location context

Political divisions (FIPS codes)

San Luis(province)

Argentina(country)

South America(continent)

Land(continent)

Geographic areas

Country State
Argentina San Luis

Comments on the location information

  • ACCESO BUENO

Commodities

Commodity Importance
Tungsten Critical Primary
Bismuth Critical Secondary
Molybdenum Tertiary

Comments on the commodity information

  • LA SCHEELITA SE ENCUENTRA EN GUIAS DELGADAS, "OJOS", Y DISEMINADA.

Materials information

Materials Type of material
Bismuthinite Ore

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Granite
    Stratigraphic age (youngest) Late Devonian
    Stratigraphic age (youngest) Neoproterozoic
  • Host or associated Host
    Rock type Metamorphic Rock > Schist
  • Host or associated Host
    Rock type Metamorphic Rock > Gneiss

Nearby scientific data

(1) -66.11606, -32.59744

Economic information

Ore body information

  • General form VETIFORME
    Strike N45W
    Dip VERTICAL

Controls for ore emplacement

  • Venas De Cuarzo En Esquistos Cerca Del Contacto Granito - Caja Paleozoica

Comments on the geologic information

  • LARGAS VENAS DE CUARZO PORTADORAS DE LENTES RICOS EN WOLFRAMIO, DE 1500 M * 1-2 M. LA SCHELLITA ES MAS ABUNDANTE QUE LA WOLFRAMITA

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Year of first production 1922

Land status

Ownership category Private

Ownership information

  • Type Operator
    Owner Empresa Minera Cerrito Blanco
  • Type Owner
    Owner Empresa Minera Cerrito Blanco. Uruguay 864, Of. 303/4. (1015) Capital Federal. Tel 811-4934

Production statistics

  • Year 1939
    Period 1936-1939
    Accuracy Accurate
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major WO3 Conc. Tungsten Tungsten 68wt-pct
  • Year 1949
    Period 1940-1949
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major WO3 Conc. Tungsten Tungsten 68wt-pct
  • Year 1954
    Period 1952-1954
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major WO3 Conc. Tungsten Tungsten 68wt-pct

Reserves and resources

  • Type In-situ
    Estimate year 1985
    Commodity Subtype Grade units Group Importance Year
    Tungsten Wo3 0.5 wt-pct Tungsten Major 1985

Comments on the workings information

  • SE HAN REALIZADO DIVERSAS LABORES, EN LOS AVESTRUCES SE EFECTUARON ENTRE 1939-49: 1284 M DE GALERIAS Y 518 DE PIQUES Y CHIMENEAS. EN LAS ASPEREZAS, LABOREO A CIELO ABIERTO Y ALGUNOS PIQUES.

Comments on development

  • DESSARROLLO ACTIVO DEL TIPO DE MINA, UNICA MINA MECANIZADA EN EL PAIS. INVERSION CONSIDERABLE FUE REALIZADA EN LOS ULTIMOS ANOS. 1.100 M DE TRABAJOS SUBTERRANEOS, A 100 M DE PROFUNDIDAD. 150 T/D.

Reference information

Bibliographic references

  • Deposit

    WILLIG, C.D., AND DELGADO, J., 1985, SOUTH AMERICA AS A SOURCE OF TUNGSTEN, PAPER PRESENTED AT THE THIRD INTERNATIONAL TUNGSTEN SYMPOSIUM, MADRID, SPAIN, 36 P.

  • Deposit

    WRIGHT, C.W., 1940, MINERAL RESOURCES, PRODUCTION AND TRADE OF ARGENTINA; U.S. BUREAU OF MINES, FOREIGN MINERALS CIRCULAR, VOL. 3, NO. 3, JULY 1940, P. 28.

  • Deposit

    STAFF, ARGENTINA, INTERNATIONAL MINING, VOL. 3, NO. 8, AUGUST 1986, P. 136.

  • Deposit

    WILLIG, C.D., AND DELGADO, J., SOUTH AMERICA AS A SOURCE OF TUNGSTEN, IN MPR PUBLISHING SERVICES LTD. (ED.), PROCEEDINGS OF THE THIRD INTERNATIONAL TUNGSTEN SYMPOSIUM, MADRID, MAY, 1985, P. 83.

  • Deposit

    BEDER, R., 1922, EL YACIMIENTO DE MINERAL DE TUNGSTENO "LOS AVESTRUCES", DEPARTAMENTO SAN MARTIN - PROVINCIA DE SAN LUIS; ARGENTINA, MINISTERIO DE AGRICULTURA DE LA NACION, DIRECCION GENERAL DE MINAS, GEOLOGIA E HIDROLOGIA, BOLETIN NO. 5, SERIE F, P. 33-37.

  • Deposit

    ANGELELLI, V., FERNANDEZ LIMA, J.C., HERRERA, A., AND ARISTARAIN, L., 1970, DESCRIPCION DEL MAPA METALOGENETICO DE LA REPUBLICA ARGENTINA: MINERALES METALIFEROS; ARGENTINA, MINISTERIO DE MINERIA, DIRECCION NACIONAL DE GEOLOGIA Y MINERIA, ANALES XV, P. 161.

  • Production

    ANUAL: WILLIG AND DELGADO, 1985, P. 83. ADEMAS: ANGELELLI ET AL, 1970.

General comments

Subject category Comment text
Deposit VETA "HIGUERA" ACUSA UN DESARROLLO DE UNOS 2000 M Y LAS MAS CORTAS NO PASAN LOS 600 M (VETAS BUITRES 1 Y 2, NEGRA). LA MINA HIGUERA COMPRENDE DOS VETAS (LA NORTE Y LA SUR) SITAS EN EL CONTACTO METAMORFITA-LAMPROFIRO, DE UN ESPESOR DE 0.25 A 1 M, CON PROMEDIOS DE 35 A 80 CM.
Deposit METODOLOGIA DE EXPLOTACION: LOS AVESTRUCES, SUBTERRANEO Y LAS ASPEREZAS SUPERFICIAL ; INFO.SRC : 1 PUB LIT

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUL-1985 Martinez, Hector Direccion Nacional de Mineria, Argentina
Updater 01-SEP-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.