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Rio Beni Placer Prospect

Producer in La Paz, Bolivia with commodity 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. Economic information about the deposit and operations
  11. Links to other databases
  12. Bibliographic references
  13. General comments
  14. Reporter information

Geologic information

Identification information

Deposit ID 10006535
MRDS ID BL30077
Record type Site
Current site name Rio Beni Placer Prospect

Geographic coordinates

Geographic coordinates: -67.33283, -13.33113 (WGS84)
Relative position 3 KM FROM RURRENABAQUE.

Site location context

Political divisions (FIPS codes)

La Paz(province)

Bolivia(country)

South America(continent)

Land(continent)

Geographic areas

Country State
Bolivia La Paz
Bolivia El Beni

Comments on the location information

  • THE HEADWATERS OF THE RIO BENI LIE ON THE NORTHESTERN FLANK OF THE EASTERN CORDILLERA IN A 450 KM LONG ZONE BETWEEN COCHABAMBA AND THE PERUVIAN BORDER.

Commodities

Commodity Importance
Gold Primary

Materials information

Materials Type of material
Gold Ore

Mineral occurrence model information

Model code 119
USGS model code 39a
Deposit model name Placer Au-PGE
Mark3 model number 54

Host and associated rocks

  • Host or associated Host
    Rock type Unconsolidated Deposit > Gravel
    Stratigraphic age (youngest) Holocene
  • Host or associated Host
    Rock type Unconsolidated Deposit > Sand and Gravel

Nearby scientific data

(1) -67.33283, -13.33113
ListMap

Economic information

Comments on the geologic information

  • IN RURRENABAQUE IMMEDIATELY BELOW THE BALA NARROWS, WHERE THE BENI CROSSES THE LAST PART OF THE SUBANDEAN ZONE, THERE ARE GOLD OCCURRENCES.

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Deposit size Small
Significant No

Comments on the workings information

  • SMALL ISOLATED WORKINGS IN THE AREA.

Comments on development

  • IN THE LOWER PARTS OF THE RIO BENI, NEAR CACHUELA ESPERANZA, ARE SMALL WORKINGS OF BEACH GRAVELS. SUCTION DREDGES ARE WORKING THE AREA AT PRESENT. THE BENI RIVER IS BELIEVED TO BE TRANSPORTING CONSIDERABLE QUANTITES OF VERY FINE GRAINED GOLD.

Reference information

Bibliographic references

  • Deposit

    GUSTAVSON ASSOC., 1992, COMPENDIUM OF THE ECONOMIC GEOLOGY OF BOLIVIA

  • Other Database

    CIMRI

General comments

Subject category Comment text
Deposit ALL OF THE RIVERS IN THE AREA CONTAIN GOLD. PAN CONCENTRATES FROM THE BEACHES AND TERRACES GAVE RESULTS UP TO 130 MG PER CUBIC METER AND THE GOLD IS FINE-GRAINED AND FLAKY.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUN-1994 Blacutt, William U.S. Geological Survey

Beyond USGS

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

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