Cerro La Estrella

Producer in Bolivar, Venezuela with commodity Iron
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. Mineral occurrence model information
  9. Host and associated rocks
  10. Nearby scientific data
  11. Geologic structures
  12. Economic information about the deposit and operations
  13. Mining district
  14. Reserves and resources
  15. Links to other databases
  16. Bibliographic references
  17. General comments
  18. Reporter information

Geologic information

Identification information

Deposit ID 10110082
MRDS ID TC20178
Record type Site
Current site name Cerro La Estrella
Alternate or previous names La Estrella

Geographic coordinates

Geographic coordinates: -63.13608, 7.47759 (WGS84)
Relative position ABOUT 120 KM S OF PUERTO ORDAZ.

Site location context

Political divisions (FIPS codes)

Bolivar(province)

Venezuela(country)

South America(continent)

Land(continent)

Geographic areas

Country State
Venezuela Bolivar

Commodities

Commodity Importance
Iron Primary

Comments on the commodity information

  • FINE GRAINED FORMATION - CRYSTALS LESS THAN A MILLIMETER, FROM WEATHERING OF SILICA AND CONCENTRATION OF IRON OXIDE.

Materials information

Materials Type of material
Hematite Ore
Limonite Ore
Martite Ore

Alteration

  • (Local) Laterization

Mineral occurrence model information

Model code 188
USGS model code 28b
Deposit model name Algoma Fe

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock > Quartzite
    Rock unit name Imataca Complex
    Rock description Imataca Complex
    Stratigraphic age (youngest) Neoarchean
    Stratigraphic age (youngest) Neoarchean
  • Host or associated Host
    Rock type Metamorphic Rock > Gneiss
  • Host or associated Host
    Rock type Plutonic Rock > Granitoid > Granite

Nearby scientific data

(1) -63.13608, 7.47759

Economic information

Geologic structures

Type of structure Regional
Structure description Guri-Carapo Fault Zone; E-W To N70e Oriented Structures With Compressed Folds

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Cerro Bolivar Group

Reserves and resources

  • Type In-situ
    Estimate year 1970
    Total resources 166000000mt ore
    Commodity Subtype Grade units Group Importance Year
    Iron Fe 62 wt-pct Iron Major 1970
  • Type In-situ
    Estimate year 1986
    Total resources 44000000mt ore
    Commodity Subtype Grade units Group Importance Year
    Iron Fe 62 wt-pct Iron Major 1986

Reference information

Bibliographic references

  • Deposit

    ALVARADO, BENJAMIN, 1970 , IRON ORE DEPOSITS IN SOUTH AMERICA, IN SURVEY OF WORLD IRON ORE RESOURCES -- OCCURRENCE AND APPRAISAL: NEW YORK, UNITED NATIONS, P. 302-380.

  • Deposit

    RODRIGUEZ M., S.E., 1986, RECURSOS MINERALES DE VENEZUELA: BOLETIN DE GEOLOGIA, REPUBLICA DE VENEZUELA, MINISTERIO DE ENERGIA Y MINAS, DIRECCION GENERAL SECTORIAL DE MINAS Y GEOLOGIA, V. 15, NO. 27, 228 P.

  • Deposit

    INSTITUTO INTERNACIONAL DE INTEGRACION, 1986, GEOGRAFIA ECONOMICA, AREA DE RECURSOS MINERALES: LA PAZ, INSTITUTO INTERNACIONAL DE INTEGRACION, 716 P.

  • Deposit

    BELLIZZIA G., A., PIMENTEL DE BELLIZZIA, N., AND RODRIGUEZ, S.E., 1981, RECURSOS MINERALES DE VENEZUELA Y SU RELACION A LA METALOGENESIS: MINISTERIO DE ENERGIA Y MINAS BOLETIN DE GEOLOGIA, PUBLICACION ESPECIAL, NO. 8, P. 6-77.

  • Deposit

    ASCANIO, G., 1985, YACIMIENTOS DE MINERAL DE HIERRO DEL PRECAMBRIO DE VENEZUELA: I SIMPOSIUM AMAZONICO, BOLETIN DE GEOLOGIA, PUBLICACION ESPECIAL, NO. 10, P. 464-473.

  • Other Database

    CIMRI

  • Reserve-Resource

    ALVARADO, 1970.

General comments

Subject category Comment text
Deposit MOST ORES ARE IN CLOSED SYNCLINAL FOLDS. INTERBEDDING OF HEMATITE-RICH LAYERS AND SILCIA-RICH LAYERS.
Deposit THIS IS ONE OF SEVEN DEPOSITS IN THE CERRO BOLIVAR GROUP. THIS DEPOSIT IS ACTUALLY TWO DEPOSITS, REFERENCES LIST THEM TOGETHER, BOTH IN DESCRIPTION AND IN RESERVE ESTIMATES. SEE MRDS RECORD FOR CERRO BOLIVAR GROUP FOR DETAILS. ; INFO.SRC : 1 PUB LIT

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAY-1991 Bolm, Karen S. U.S. Geological Survey

Beyond USGS

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