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  3. Mineral Resource Data System (MRDS)

Chusi 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. Ownership information
  12. Workings at the site
  13. Links to other databases
  14. Bibliographic references
  15. General comments
  16. Reporter information

Geologic information

Identification information

Deposit ID 10006106
MRDS ID BL20031
Record type Site
Current site name Chusi Placer

Geographic coordinates

Geographic coordinates: -68.06618, -15.54773 (WGS84)
Elevation 2000
Relative position AT CHUSI

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

  • CONCESSION IS 180 HECTARES IN AREA.

Commodities

Commodity Importance
Gold Primary

Materials information

Materials Type of material
Gold Ore

Analytical data

Result PAN CONCENTRATE SAMPLES CONTAIN 40 TO 520 G/MT AU.

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 Associated
    Rock type Metamorphic Rock > Schist
    Stratigraphic age (youngest) Late Permian
    Stratigraphic age (youngest) Miocene
    Stratigraphic age (youngest) Miocene
  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Conglomerate
    Rock unit name Cangalli
    Rock description Cangalli

Nearby scientific data

(1) -68.06618, -15.54773
ListMap

Economic information

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Deposit size Small
Significant No
Discoverer Colonial

Ownership information

  • Type Owner-Operator
    Owner Jorge Mercado, Moises Del Villar

Workings at the site

  • Type of workings Underground
    Overall length 457.2M

Comments on the workings information

  • ADITS INTO LOWER UNIT OF CANGALLI CONGLOMERATE

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 GOLD IS DISTRIBUTED IRREGULARLY THROUGHOUT TERTIARY CANGALLI CONGLOMERATE PALEOCHANNEL OF THE TIPUANI RIVER. BEST GOLD VALUES ARE IN THE LOWER UNIT OF POORLY SORTED CLASTS IN A MATRIX OF SMALLER CLASTS CEMENTED BY CLAY. THE UPPER UNIT CONSISTS OF POORLY SORTED COBBLES AND BOULDERS UP TO 5 M LONG IN A MATRIX OF GRAVEL, SAND AND CLAY. CONGLOMERATE BEDS ARE OF VARIABLE THICKNESS.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-SEP-1993 Long, Keith R. U.S. Geological Survey

Beyond USGS

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

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