Cerro Impacto

Prospect in Bolivar, Venezuela with commodities Niobium (Columbium), Thorium, Barium-Barite, REE, Iron, Manganese, Aluminum
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. Links to other databases
  14. Bibliographic references
  15. General comments
  16. Reporter information

Geologic information

Identification information

Deposit ID 10060415
MRDS ID TC20062
Record type Site
Current site name Cerro Impacto

Geographic coordinates

Geographic coordinates: -65.22085, 5.91211 (WGS84)
Relative position IMMEDIATELY N OF AMAZONAS BORDER.

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
Niobium (Columbium) Critical Primary
Thorium Primary
Barium-Barite Critical Primary
REE Critical Primary
Iron Secondary
Manganese Critical Secondary
Aluminum Critical Tertiary

Materials information

Materials Type of material
Anatase Ore
Barite Ore
Bastnaesite Ore
Brookite Ore
Florencite Ore
Gibbsite Ore
Goethite Ore
Kaolinite Ore
Limonite Ore
Monazite Ore
Perovskite Ore
Pyrochlore Ore
Pyrolusite Ore
Rutile Ore
Wad Ore
Quartz Gangue

Alteration

  • (Local) Weathering Has Reduced All Trace Of The Original Rock.

Analytical data

Result A DETAILED STUDY OF SAMPLES FROM CERRO IMPACTO IS GIVEN IN RODRIGUEZ, 1986, P. 199. LATERITE IS ENRICHED IN FE (TO 61%), MN (TO 35%), AL (TO 25%), BA (TO 58%), TH (TO 0.5%), NB (TO 1.5%), REE (CE TO 7%, LA TO 3%, AND ND TO 0.8%) -- WEIGHT PRECENTAGES. ALSO TO 7% TI, TO 8% ZN, AND TO 0.5% PB. CE 1.2%, 0.2% NB, 0.4% TH. TRACE MO, BI, SN, AG, AU, BE, IN LATERITE AND SOIL.

Mineral occurrence model information

Model code 24
USGS model code 10
Deposit model name Carbonatite

Host and associated rocks

  • Host or associated Host
    Rock type Plutonic Rock > Carbonatite, Intrusive

Nearby scientific data

(1) -65.22085, 5.91211

Economic information

Geologic structures

Type of structure Local
Structure description Oval To Amoeboid Ring Structure About 10 Km In Diameter; Large Nw-Trending Fractures.

Comments on the geologic information

  • SOME AUTHORS CONSIDER THE DEPOSIT TO BE PREC, OTHERS MESO. CARBONATITE PROTORE IS INDICATED BY THE HIGH CONCENTRATION OF NB, TH, AND REE. CARBONATITE STRUCTURE HAS INTRUDED CUCHIVERO GRANITIC PROVINCE.

Economic information about the deposit and operations

Development status Prospect
Commodity type Both
Deposit size Small
Significant No

Comments on development

  • MEM PRELIMINARY INVESTIGATIONS. THE THICK LATERITE COVER MAKES STUDIES DIFFICULT.

Reference information

Bibliographic references

  • Deposit

    SIDDER, G.B., 1990, MINERAL OCCURRENCES IN THE GUAYANA SHIELD, VENEZUELA: U.S. GEOLOGICAL SURVEY OPEN-FILE REPORT 90-16, 28 P., 1 OVER-SIZE SHEET.

  • Deposit

    BELLIZZIA G., A., PIMENTEL DE BELLIZZIA, N., AND RODRIGUEZ, S., 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

    RODRIGUEZ, M., S.E., 1986, RECURSOS MINERALS 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

    SIDDER, G.B., 1990, MINERAL OCCURRENCES IN THE GUAYANA SHIELD, VENEZUELA: U.S. GEOLOGICAL SURVEY OPEN-FILE REPORT 90-16, 37 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.

  • Deposit

    PREMOLI, C., AND KROONENBERG, S.B., 1981, RADIOACTIVE MINERAL POTENTIAL OF CARBONATITES IN WESTERN PARTS OF THE SOUTH AMERICAS SHIELDS, IN INTERNATIONAL ATOMIC ENERGY AGENCY, VIENNA, GEOLOGY AND METALLOGENESIS OF URANIUM DEPOSITS OF SOUTH AMERICA, INTERNATIONAL ATOMIC ENERGY AGENCY, STI/PUB/641, P. 245-268.

  • Deposit

    WOOLEY, A.R., 1987, ALKALINE ROCKS AND CARBONATITES OF THE WORLD, PART I: NORTH AND SOUTH AMERICA, UNIVERISITY OF TEXAS PRESS, AUSTIN, 216 P.

  • Deposit

    AARDEN, H.M., AROZENA, J.M., NAVARRO, J., MOTIESKA, P., ZANIN, J.P., AND SIFONTES, R.S., 1978, GEOLOGIA DEL AREA DEL CERRO IMPACTO (ABS.), IN MEMORIA II CONGRESO LATINOAMERICANO DE GEOLOGIA, TOMO V, MINISTERIO DE MINAS E HIDROCARBUROS, BOLETIN DE GEOLOGIA, PUB. ESPECIAL, NO. 7.

  • Deposit

    AARDEN, H.M., AROZENA, J.M., NAVARRO, J., MOTIESKA, P., ZANIN, J.P., AND SIFONTES, R.S., 1978, ASPECTOS GEOQUIMICOS DEL PROSPECTO DEL CERRO IMPACTO, ESTADO BOLIVAR (ABS.), IN MEMORIA II CONGRESO LATINOAMERICANO DE GEOLOGIA, TOMO V, MINISTERIO DE MINAS E HIDROCARBUROS, BOLETIN DE GEOLOGIA, PUB. ESPECIAL, NO. 7.

  • Deposit

    AARDEN, H.M., AROZENA, J.M., NAVARRO, J., MOTIESKA, P., ZANIN, J.P., AND SIFONTES, R.S., 1978, ASPECTOS GEOECONOMICOS DEL CERRO IMPACTO (ABS.), IN MEMORIA II CONGRESO LATINOAMERICANO DE GEOLOGIA, TOMO V, MINISTERIO DE MINAS E HIDROCARBUROS, BOLETIN DE GEOLOGIA, PUB. ESPECIAL, NO. 7.

  • Deposit

    AARDEN, H.M., AROZENA, J.M., MOTICSKA, P., NAVARRO, J., PASQUALI, J., AND SIFONTES, R.S., 1973, EL COMPLEJO GEOLOGICO DEL AREA DEL IMPACTO, DISTRITO CEDENO, ESTADO BOLIVAR, VENEZUELA: MINISTERIO DE MINAS E HYDROCARBUROS, 53 P.

  • Other Database

    CIMRI

General comments

Subject category Comment text
Deposit DEEPLY WEATHERED CARBONATITE. SOUNDINGS INDICATE THAT THE LATERITE MIGHT BE UP TO 300 M THICK. DEPOSIT IS FOUND ON 3 LONG HILLS WITH N-S ORIENTATION.
Deposit SIMILAR TO THE ARAZA AND SEIS LAGOS DEPOSITS IN BRAZIL WHICH ARE ASSOCIATED WITH CARBONATITES OF MESOZOIC AGE. ASSOCIATED WITH ALKALINE GRANITE, MONOZITE, GRANODIORITE, TONALITE, AND GABBRO. ; INFO.SRC : 1 PUB LIT; 2 UNPUB REPT

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAY-1990 Bolm, Karen S. U.S. Geological Survey
Updater 01-AUG-1991 Orris, Greta J. U.S. Geological Survey
Updater 01-SEP-1991 Brooks, William E. U.S. Geological Survey

Beyond USGS

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