Maria Luisa

Occurrence 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. Ore body information
  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 10093762
MRDS ID W026893
Record type Site
Current site name Maria Luisa
Alternate or previous names Cerro Maria Luisa

Geographic coordinates

Geographic coordinates: -63.07163, 7.79729 (WGS84)
Relative position ABOUT 25 KM E OF CERRO BOLIVAR; 5 KM W OF LA PRESA RAUL LEONI

Site location context

Political divisions (FIPS codes)

Bolivar(province)

Venezuela(country)

South America(continent)

Land(continent)

Geographic areas

Country State
Venezuela Bolivar

Comments on the location information

  • METALLOGENIC MAP OF SOUTH AMERICA LISTS LAT/LONG AS 7-35N, 63-6W

Commodities

Commodity Importance
Iron Primary

Materials information

Materials Type of material
Hematite Ore
Quartz Gangue

Alteration

  • (Local) Laterization

Analytical data

Result RESIDUAL ORE 55% DRY IRON
Result SOFT, WEATHERED IRON FORMATION 45-55% DRY IRON
Result FRESH, HARD IRON FORMATION 35-45% DRY IRON

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 Plutonic Rock > Granitoid > Granite

Nearby scientific data

(1) -63.07163, 7.79729

Economic information

Ore body information

  • General form LENSES, IRREGULAR IN THICKNESS AND LENGTH

Comments on the geologic information

  • MINERALIZATION ASSOCIATED WITH ARCHEAN METAMORPHOSED VOLCANIC-SEDIMENTARY SEQUENCE.

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name San Isidro Iron Quadrilateral

Reserves and resources

  • Type In-situ
    Estimate year 1970
    Indicated 150000000mt ore
    Commodity Subtype Grade units Group Importance Year
    Iron Fe 55 wt-pct Iron Major 1970

Comments on development

  • ECON.COM: GOOD LOCATION 1 KM FROM THE GURI COMPLEX ELECTRIC LINE, 5 KM FROM RIO CARONI, AND 1 KM E OF THE RAILROAD TO PUERTO ORDAZ CERRO BOLIVAR

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

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

  • 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

    COMMISSION FOR THE GEOLOGICAL MAP OF THE WORLD, 1983, METALLOGENIC MAP OF SOUTH AMERICA, 1:5,000,000, EXPLANATORY TEXT: CARACAS, 88 P.

  • Other Database

    CIMRI

  • Reserve-Resource

    ALVARADO, BENJAMIN, 1970.

General comments

Subject category Comment text
Deposit MADE UP OF TWO HILLS WHICH RUN NE, THE WESTERN CERRO VALLESES-PETAQUERO AND THE EASTERN CERRO PLATEADO, WHICH FORM PART OF THE SOUTHERN FLANK OF THE MARIA LUISA ANTICLINE.
Deposit THIS IS ONE OF NINE DEPOSITS IN THE SAN ISIDRO IRON QUADRILATERAL, SEE THAT MRDS FORM FOR ADDITIONAL INFORMATION. ; INFO.SRC : 1 PUB LIT; 2 UNPUB REPT

Reporter information

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

Beyond USGS

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