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Botanamo

Producer in Bolivar, Venezuela with commodities Gold, Tungsten
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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. Ore body information
  12. Economic information about the deposit and operations
  13. Mining district
  14. Ownership information
  15. Production statistics
  16. Reserves and resources
  17. Links to other databases
  18. Bibliographic references
  19. General comments
  20. Reporter information

Geologic information

Identification information

Deposit ID 10060392
MRDS ID TC20030
Record type Site
Current site name Botanamo
Alternate or previous names Botanamo Vein, Veta Tropiezo, Veta Porfia, Pilar- Teresa Vein, Veta 4, Veta 3, Botanamo I Concession

Geographic coordinates

Geographic coordinates: -61.19604, 7.03955 (WGS84)
Relative position 28 KM SE IN A DIRECT LINE FROM TUMEREMO.

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 7-7N, 60-51W.

Commodities

Commodity Importance
Gold Primary
Tungsten Critical Tertiary

Comments on the commodity information

  • ANALYSES FOR CU, PB, ZN WERE NEGATIVE. AU CONTENT OF THE VEIN SAMPLES RANGED 3-15 G/T. W VALUES WERE BETWEEN 12 AND 25 PPM.

Materials information

Materials Type of material
Gold Ore
Pyrite Ore
Scheelite Ore
Calcite Gangue
Chalcopyrite Gangue
Covellite Gangue
Quartz Gangue
Siderite Gangue
Tetrahedrite Gangue

Mineral occurrence model information

Model code 273
USGS model code 36a
Deposit model name Low-sulfide Au-quartz vein
Mark3 model number 27

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock
    Stratigraphic age (youngest) Paleoproterozoic
    Stratigraphic age (youngest) Neoproterozoic
  • Host or associated Host
    Rock type Metamorphic Rock > Schist
    Rock unit name Cicapara
    Rock description Cicapara

Nearby scientific data

(1) -61.19604, 7.03955
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description Shear Zone Trending N40w
Type of structure Local
Structure description Zones Of Breccias Produced By Faulting

Ore body information

  • Strike N70-80E
    Dip 80W
    Thickness 0.15M
    Length 8000M
    Depth to top 243.84M

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Deposit size Large
Significant No

Mining district

District name Tumeremo Region

Ownership information

  • Type Owner
    Owner Greenwich Resources

Production statistics

  • Year 1968
    Period To 1968
    Material ORE
    Accuracy Accurate
    Description Cp_Grade: ^32.7 G/T
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Gold Gold 33g/mt
  • Year 1990
    Material ORE
    Accuracy Accurate
    Description Ap_Grade: ^4 G/T
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Gold Gold 4g/mt

Comments on the production information

  • MINED ONLY THE ZONE OF OXIDATION -- APPROXIMATE TONNAGE OF 175,000 TONNES WITH AVERAGE GRADE OF 0.58 OZ/ST WITH RECOVERY OF 148,000 OZ OF AU (LOPEZ, 1981). ANNUAL PRODUCTION VALUE GIVEN ABOVE WAS THE MONTHLY PRODUCTION FROM DUMPS, SHALLOW ORE, AND TAILINGS (EMJ, 1990). PRODUCTION CAPACITY 1939-1940 IS 460 T/DAY.

Reserves and resources

  • Type In-situ
    Estimate year 1986
    Total resources 2000000mt ore
    Commodity Subtype Grade units Group Importance Year
    Gold Au 12 g/mt Gold Major 1986
  • Type In-situ
    Estimate year 1961
    Total resources 150000000mt ore
    Commodity Subtype Grade units Group Importance Year
    Tungsten Wo3 0.4 wt-pct Tungsten Trace 1961

Comments on development

  • IN 1971 MEM CONDUCTED GEOECONOMIC STUDIES OF THE ZONE. IN 1982, HILL, GOETTLER, DELAPORTE LTD. DID GEOLOGIC MAPPING, TRENCHING, AND DRILLING. SIX ANALYSES OF WIDTHS OF VEIN 100-130 CM GAVE FOUR AT 0.5 G/T AND TWO AT 0.25 G/T. ; MILL.CAP: 460 MT/DAY

Reference information

Bibliographic references

  • Deposit

    LOPEZ, V.M., 1981, EL ORO EN EL MUNDO: CARACAS, MINISTERIO DE ENERGIA Y MINAS, DIRECCION DE MINAS, 76 P.

  • Deposit

    LOCHER, EUGENIO, 1974, ORO EN VENEZUELA, IN MEMORIA DE LA NOVENA CONFERENCIA GEOLOGICA INTER-GUAYANAS, CIUDAD GUAYANA, VENEZUELA, MAYO 7-14, 1972: CARACAS, EDITORAL SUCRE, P. 559-587.

  • Deposit

    KOROL, B., 1961, MINERALES DE TUNGSTENO DE LAS MINAS BOTANAMO Y EL CALLAO: MEMORIA, III CONGRESO GEOLOGICO VENEZOLANO, CARACAS, 1959, V. 4, P. 1889-1895.

  • 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, N0. 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., PIMENTAL DE BELLIZZIA, N., AND RODRIGUEZ, S.E., 1981, RECURSOS MINERALES DE VENEZUELA Y SU RELACION A LA METALOGENESIS: MINISTERIO DE ENERGIA Y MINAS, DIRECCION DE GEOLOGIA, BOLETIN DE GEOLOGIA, PUBLICACION ESPECIAL, NO. 8, P. 6-77.

  • Deposit

    GRATEROL, V.R., 1974, RESULTADOS DE LA PROSPECCION GEOFISICA EN LAS ZONAS DE VUELVAN CARAS Y BOTANAMO, EDO. BOLIVAR: MEMORIA DE LA NOVENA CONFERENCIA GEOLOGICA INTER-GUAYANAS, PUBLICACION ESPECIAL 6, P. 529-549.

  • 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

    ENGINEERING AND MINING JOURNAL, 1990, V. 191, NO. 8.

  • Deposit

    ANONYMOUS, 1991, VENEZUELA, IN MINING ANNUAL REVIEW -- 1991: LONDON, MINING JOURNAL, P. 59.

  • Other Database

    CIMRI

  • Production

    LOCHER, 1974, P. 572; RODRIGUEZ M., 1986; ANONYMOUS, 1991.

  • Reserve-Resource

    BELLIZZIA AND OTHERS, 1981, P. 16. EMJ, 1990, V. 191, NO. 8.

General comments

Subject category Comment text
Deposit HIGHEST GOLD VALUES FOUND IN FAULTED OR FOLDED VEINS. ORE SHOOTS OCCUR WHERE SECONDARY FRACTURES INTERSECT THE ZONE OF SHEARING. ALL OF THE GOLD VEINS CONTAIN VISIBLE GOLD. VEINS ARE HIGHLY WEATHERED AT THE SURFACE. DUMP MATERIAL IS OF ORE GRADE.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAY-1991 Bolm, Karen S. U.S. Geological Survey
Updater 01-SEP-1991 Carbonaro, Marguerite M. (Orris, Greta J.) U.S. Geological Survey

Beyond USGS

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

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