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  3. Mineral Resource Data System (MRDS)

Yuna Yuna Placer Mine

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. Reserves and resources
  13. Links to other databases
  14. Bibliographic references
  15. General comments
  16. Reporter information

Geologic information

Identification information

Deposit ID 10006447
MRDS ID BL20485
Record type Site
Current site name Yuna Yuna Placer Mine

Geographic coordinates

Geographic coordinates: -68.23285, -15.59773 (WGS84)
Elevation 1460

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

Comments on the location information

  • ON RIO TORA

Commodities

Commodity Importance
Gold Primary

Materials information

Materials Type of material
Gold Ore
Iron Gangue
Pyrite Gangue
Quartz Gangue

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 Sedimentary Rock > Clastic Sedimentary Rock > Shale
    Stratigraphic age (youngest) Miocene
    Stratigraphic age (youngest) Late Ordovician
  • Host or associated Associated
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Sandstone
  • Host or associated Host
    Rock type Unconsolidated Deposit > Gravel
    Rock unit name Cangalli
    Rock description Cangalli

Nearby scientific data

(1) -68.23285, -15.59773
ListMap

Economic information

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Deposit size Small
Significant No

Ownership information

  • Type Owner
    Owner Union Lijuata Limitada

Reserves and resources

  • Type In-situ
    Estimate year 1985
    Total resources 132748000mt ore
    Commodity Subtype Grade units Group Importance Year
    Gold Au 4.49 g/mt Gold Major 1985
  • Type In-situ
    Estimate year 1985
    Total resources 337300000mt ore
    Commodity Subtype Grade units Group Importance Year
    Gold Au 1.79 g/mt Gold Major 1985

Comments on the reserve resource information

  • (1) POSSIBLE; (2) PROSPECTIVE

Comments on the workings information

  • PROSPECT SHAFT 7 M DEEP, 219 M OF EXPLORATION DRIFTS. WORKED BY OPEN CUTS.

Comments on development

  • ECON.COM: GRAVITY CONCENTRATION WITH SLUICES AND PANS.

Reference information

Bibliographic references

  • Deposit

    SALVATIERRA, O., 1985, INFORME ETAPA "A" PROYECTO 492/85: FONEM INFORME

  • Other Database

    CIMRI

  • Reserve-Resource

    (1-2) GUSTAVSON ASSOC. (1992)

General comments

Subject category Comment text
Deposit CONGLOMERATE CONSISTS OF CLASTS OF SANDSTONE, SHALE, GRANITE, AND HEMATITE IN A HEMATITIC SANDY CLAY MATRIX. GOLD OCCURS AS FLAKES AND NUGGETS 0.5 TO 5 MM IN SIZE.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-DEC-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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