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El Polaco Placers

Producer in Bolivar, Venezuela with commodities Diamond, Gold
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Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Commodities
  6. Materials information
  7. Mineral occurrence model information
  8. Host and associated rocks
  9. Nearby scientific data
  10. Geologic structures
  11. Economic information about the deposit and operations
  12. Mining district
  13. Links to other databases
  14. Bibliographic references
  15. General comments
  16. Reporter information

Geologic information

Identification information

Deposit ID 10110078
MRDS ID TC20114
Record type Site
Current site name El Polaco Placers

Geographic coordinates

Geographic coordinates: -61.48298, 4.70134 (WGS84)

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
Diamond Primary
Gold Primary

Materials information

Materials Type of material
Gold Ore

Mineral occurrence model information

Model code 122
USGS model code 39d
Deposit model name Diamond placer

Host and associated rocks

  • Host or associated Host
    Rock type Unconsolidated Deposit > Gravel
    Rock unit name Uairen Formation
    Rock description Uairen Formation
    Stratigraphic age (youngest) Holocene
    Stratigraphic age (youngest) Neoproterozoic

Nearby scientific data

(1) -61.48298, 4.70134
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description Caroni River Basin

Comments on the geologic information

  • THE UAIREN FORMATION OF THE RORAIMA GROUP IS THOUGHT TO BE THE SOURCE OF THESE DIAMONDS.

Economic information about the deposit and operations

Development status Producer
Commodity type Both
Deposit size Small
Significant No

Mining district

District name Rio Caroni

Comments on the workings information

  • LAND MINING

Reference information

Bibliographic references

  • Deposit

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

  • Deposit

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

  • Deposit

    FAIRBAIRN, W.C., 1971, DIAMONDS IN VENEZUELA: MINING MAGAZINE, V. 125, NO. 4, P. 349-353.

  • Deposit

    ASCANIO T., G., AND LOPEZ, V.M., 1984, CONTRIBUCION A LA GEOLOGIA DEL GRUPO RORAIMA EN EL SURESTE DE VENEZUELA, IN DE CARVALHO, Y.B., CHAIRPERSON, II SYMPOSIUM AMAZONICO, ANAIS, MANAUS, BRAZIL, APR. 8-12, 1984: II SYMPOSIUM AMAZONICO, ANAIS 2, P. 149-162.

  • Deposit

    ANEZ, GUILLERMO, 1985, EXPLORACION Y EVALUACION DE POSIBLES DEPOSITOS DIAMANTIFEROS EN EL DISTRITO CEDENO DEL ESTADO BOLIVAR: MINISTERIO DE ENERGIA Y MINAS BOLETIN DE GEOLOGIA, I SYMPOSIUM AMAZONICO, NO. 10, P. 443-463.

  • Other Database

    CIMRI

General comments

Subject category Comment text
Deposit LARGEST GEM QUALITY STONE FOUND IN VENEZUELA IS FROM THIS MINE. THE STONE WEIGHED 155 CARATS AND WAS NAMED THE LIBERATOR. IT WAS FOUND IN 1942 AND CUT INTO 3 STONES WEIGHING 40, 18.12, AND 8.93 CARATS. ; 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

Beyond USGS

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

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