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  3. Mineral Resource Data System (MRDS)

Rio Cotacajes Placer

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 10100670
MRDS ID BL30076
Record type Site
Current site name Rio Cotacajes Placer

Geographic coordinates

Geographic coordinates: -67.14949, -16.86435 (WGS84)
Elevation 3900
Relative position INQUISIVI

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 La Paz

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) -67.14949, -16.86435
ListMap

Economic information

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Deposit size Small
Significant No

Comments on the workings information

  • SMALL SCALE WORKINGS OF MODERN BEACHES ARE REPORTED FROM THE AYOPAYA RIVER, TO THE EAST OF THE VILLAGE OF QUIME, NEAR THE VILLAGE OF COCOPATA.

Comments on development

  • THE SOURCE OF THE COTAJES RIVER IS IN THE INQUISIVI AREA WHERE THERE ARE GOLD WORKINGS. SOME VEIN GOLD MINES ARE REPORTED IN THE OLD LITERATURE.

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 CHOQUECAMATA, A VILLIAGE ON THE HEADWATERS OF THE SANTA ELENA RIVER IS MENTIONED BY AHLFELD AS BEING FAMOUS FOR ITS PLACER DEPOSITS.

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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