San Antonio

Producer in Bolivar, Venezuela with commodity Gold
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. Controls for ore emplacement
  13. Economic information about the deposit and operations
  14. Ownership information
  15. Production statistics
  16. Links to other databases
  17. Bibliographic references
  18. Reporter information

Geologic information

Identification information

Deposit ID 10110074
MRDS ID TC20029
Record type Site
Current site name San Antonio

Geographic coordinates

Geographic coordinates: -60.92825, 7.06789 (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
Gold Primary

Materials information

Materials Type of material
Gold Ore

Alteration

  • (Local) Carbonate Alteration, Propylitization, Silicification

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 Volcanic Rock (Aphanitic) > Mafic Volcanic Rock > Basalt
    Stratigraphic age (youngest) Neoproterozoic
  • Host or associated Host
    Rock type Metamorphic Rock > Metavolcanic Rock > Mafic Metamorphic Rock > Greenstone
  • Host or associated Host
    Rock type Metamorphic Rock > Schist > Greenschist
  • Host or associated Host
    Rock type Plutonic Rock > Granitoid > Granite

Nearby scientific data

(1) -60.92825, 7.06789

Economic information

Ore body information

  • Dip 48S

Controls for ore emplacement

  • Faults And Shear Zones

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Deposit size Small
Significant No

Ownership information

  • Type Operator
    Owner New Goldfields Of Venezuela , Guayana Mines Ltd. , Minas De Oro De El Callao C
    First year 1928
    Last year 1936
  • Type Operator
    Owner Guayana Mines Ltd.
    First year 1928
    Last year 1936
  • Type Operator
    Owner Minas De Oro De El Callao C. A.
    First year 1952
    Last year 1966
  • Type Operator
    Owner Sindicato De Patronos Mineros
    First year 1966
    Last year 1971

Production statistics

  • Year 1968
    Period 1886-1968
    Material ORE
    Accuracy Accurate
    Description Cp_Grade: ^12.2 G/T
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Copper Copper 12g/mt
  • Year 1968
    Period 1866-1968
    Material AU
    Accuracy Estimate
    Description Cp_Grade: ^12.2 G/T
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Gold Gold 12g/mt

Reference information

Bibliographic references

  • Deposit

    LOCHER, EUGENIO, 1974, ORO EN VENEZUELA: IN MEMORIA DE LA NOVENA CONFERENCIA GEOLOGICA INTER-GUAYANAS, MINISTERIO DE MINAS E HIDROCARBUROS, CIUDAD GUAYANA, VENEZUELA, MAYO 7-14, 1972, BOLETIN DE GEOLOGIA, PUBLICACION ESPECIAL NO. 6, P. 558-587.

  • Deposit

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

  • Deposit

    LIDDLE, R.A., 1946, THE GEOLOGY OF VENEZUELA AND TRINIDAD: ITHACA, NY, PALEONTOLOGICAL RESEARCH INSTITUTION, 890 P.

  • Other Database

    CIMRI

  • Production

    LOCHER, 1974, P.576.

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.