Cerro Altamira

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. Economic information about the deposit and operations
  12. Mining district
  13. Ownership information
  14. Reserves and resources
  15. Links to other databases
  16. Bibliographic references
  17. General comments
  18. Reporter information

Geologic information

Identification information

Deposit ID 10078529
MRDS ID W026899
Record type Site
Current site name Cerro Altamira

Geographic coordinates

Geographic coordinates: -63.22719, 7.47564 (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

Materials information

Materials Type of material
Hematite 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
    Stratigraphic age (youngest) Neoarchean
    Stratigraphic age (youngest) Neoarchean
  • Host or associated Host
    Rock type Metamorphic Rock > Gneiss
    Rock unit name Imataca Complex
    Rock description Imataca Complex

Nearby scientific data

(1) -63.22719, 7.47564

Economic information

Comments on the geologic information

  • THE PRESENCE OF THIN LAYERS OF UP TO 2M OF IRON-FORMATION INTERLAYERED WITH LITHIC ARKOSE AND FELSIC GNEISS BENEATH THE MAIN IRON-FORMATION HORIZON SUGGESTS A CYCLIC REPETITION OF CONDITIONS PRIOR TO THE MAIN DEPOSITION OF IRON-FORMATION.

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Deposit size Large
Significant No

Mining district

District name Cerro Bolivar Group

Ownership information

  • Type Owner
    Owner Jose Manuel Avila-Perez And Alfredo Gruber
    Last year 1948
  • Type Owner
    Owner Oliver Iron Mining Co.
    First year 1948
  • Type Operator
    Owner Orinoco Mining Co.
    First year 1969

Reserves and resources

  • Type In-situ
    Estimate year 1970
    Measured 171000000000mt ore
    Commodity Subtype Grade units Group Importance Year
    Iron Fe 63 wt-pct Iron Major 1970
  • Type In-situ
    Estimate year 1985
    Total resources 137000000mt ore
    Commodity Subtype Grade units Group Importance Year
    Iron Fe 63 wt-pct Iron Major 1985

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

    LAKE, M.C., 1950, CERRO BOLIVAR - U.S. STEEL'S NEW IRON ORE BONANZA: ENGINEERING & MINING JOURNAL, V. 151, NO. 8, P. 72-83.

  • 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.

  • Deposit

    FERENCIC, A.J., 1969, GEOLOGY OF THE SAN ISIDRO IRON ORE DEPOSIT, VENEZUELA: MINERALIUM DEPOSITA, V. 4, NO. 3, P. 283-297.

  • Other Database

    CIMRI

  • Reserve-Resource

    ALVARADO, 1970.

General comments

Subject category Comment text
Deposit THIS IS ONE OF SEVEN DEPOSITS IN THE CERRO BOLIVAR GROUP. SEEMRDS RECORD FOR GROUP FOR DETAILED INFORMATION ; INFO.SRC : 1 PUB LIT

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAY-1973 Cooper, Margaret U.S. Geological Survey
Updater 01-JUL-1990 Bolm, Karen S. (Page, Norman J) U.S. Geological Survey

Beyond USGS

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