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Merevari Geochemical Anomaly

Occurrence in Bolivar, Venezuela with commodities Gold, Silver
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Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Commodities
  6. Alteration
  7. Host and associated rocks
  8. Nearby scientific data
  9. Economic information about the deposit and operations
  10. Links to other databases
  11. Bibliographic references
  12. General comments
  13. Reporter information

Geologic information

Identification information

Deposit ID 10060461
MRDS ID TC20128
Record type Site
Current site name Merevari Geochemical Anomaly

Geographic coordinates

Geographic coordinates: -63.77193, 4.1111 (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
Silver Primary

Comments on the commodity information

  • GEOCHEMICAL ANOMALY AT BEST.

Alteration

  • (Local) Hydrothermal Alteration

Analytical data

Result ANOMALOUS BI, MO, AG, AS, CU, W
Result HIGHEST SAMPLES: 3 PPM AG, 26 PPB AU, 1000 PPM BI, 20 PPM MO, 153 PPM AS, 334 PPM CU, 175 PPM W

Host and associated rocks

  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Intermediate Volcanic Rock > Andesite
    Stratigraphic age (youngest) Late Cretaceous
    Stratigraphic age (youngest) Paleoproterozoic
    Stratigraphic age (youngest) Paleoproterozoic
  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Mafic Volcanic Rock > Basalt
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Pyroclastic Rock > Tuff
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Rhyolite
    Rock unit name Caicara Formation
    Rock description Caicara Formation
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Intermediate Volcanic Rock > Andesite

Nearby scientific data

(1) -63.77193, 4.1111
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Economic information

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No

Comments on the reserve resource information

  • THERE HASN'T BEEN ENOUGH WORK DONE TO QUANTIFY POTENTIAL RESERVES. THEY HAVE BEEN ESTIMATED TO HOLD 13 G TO 11 KG (PEREZ AND OTHERS) OF MINERALS PER CUBIC METER OF SEDIMENT.

Reference information

General comments

Subject category Comment text
Deposit PLACERS DERIVED FROM PEGMATITES.
Deposit QUARTZ VEINS IN ALTERED FELSIC TO INTERMEDIATE TUFFS AND ASSOCIATED MAFIC DIKES.

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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