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  3. Mineral Resource Data System (MRDS)

Rio Madidi Upper Reach

Occurrence 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. 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 10094223
MRDS ID BL30406
Record type Site
Current site name Rio Madidi Upper Reach

Geographic coordinates

Geographic coordinates: -68.49953, -13.74779 (WGS84)
Location accuracy 10000(meters)

Site location context

Political divisions (FIPS codes)

La Paz(province)

Bolivia(country)

South America(continent)

Land(continent)

Geographic areas

Country State
Bolivia La Paz

Comments on the location information

  • GUSTAVSON ASSOCIATES GIVES THE LOCATIN AS 12-38S, 67-01W.

Commodities

Commodity Importance
Gold Primary

Materials information

Materials Type of material
Gold Ore

Analytical data

Result 56 MG AU PER CUBIC METER OF BEACH MATERIAL (AVG. 56 SAMPLES)
Result 13 MG AU PER CUBIC METER OF TERRACE MATERIAL (2 SAMPLES).

Host and associated rocks

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

Nearby scientific data

(1) -68.49953, -13.74779
ListMap

Economic information

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Significant No

Comments on the production information

  • SIZE AND GRADE ESTIMATE CONSISTS OF RESERVES FOR AREA OF ALLUVIALS 5--250 M WIDE BY 100 KM LONG AND ABOUT 6 M THICK.

Comments on the workings information

  • NOT MINED

Reference information

Bibliographic references

  • Deposit

    FREYDANCK, H.G., 1965, THE GOLD PLACER DEPOSITS AT THE FOOT OF THE EASTERN CORDILLERA OF BOLIVIA; A REPORT ON THE EXPLORATION ACTIVITIES BETWEEN THE YEARS 1963 AND 1964: LA PAZ, BOLIVIA, DEPARTMENTO NACIONAL DE GEOLOGIA.

  • Deposit

    ORRIS, G.J. AND BLISS, J.D., 1985, GEOLOGIC AND GRADE VOLUME DATA ON 330 GOLD PLACER DEPOSITS: U.S. GEOLOGICAL SURVEY OPEN-FILE REPORT 85-213, 172 P.

  • Deposit

    GUSTAVSON ASSOICATES, INC., BAKER AND MCKENZIE, MINERIA TECNICA CONSULTORES ASOCIADOS, AND SERVICIO GEOLOGICO DE BOLIVIA, 1992, COMPENDIO DE GEOLOGIA ECONOMICA DE BOLIVIA: MINISTERIO DE MINERIA Y METALURGIA, NO PAGINATION.

  • Other Database

    CIMRI

  • Reserve-Resource

    ORRIS AND BLISS, 1985.

General comments

Subject category Comment text
Deposit RIO MADIDI IS REPORTED TO HAVE EXTENSIVE AURIFEROUS BEACHES AND TERRACES.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-FEB-85 Orris, Greta J. (Bliss, James D.) U.S. Geological Survey
Updater 01-MAR-95 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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