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La Ricnocnada Placer Mine

Producer in La Paz, Bolivia with commodities Gold, Tin, Tungsten
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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. Controls for ore emplacement
  11. Economic information about the deposit and operations
  12. Mining district
  13. Ownership information
  14. Reserves and resources
  15. Links to other databases
  16. Bibliographic references
  17. General comments
  18. Reporter information

Geologic information

Identification information

Deposit ID 10006241
MRDS ID BL20216
Record type Site
Current site name La Ricnocnada Placer Mine

Geographic coordinates

Geographic coordinates: -68.03284, -15.54773 (WGS84)
Elevation 570
Relative position 3 KM FROM TIPUANI

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
Tin Critical Tertiary
Tungsten Critical Tertiary

Materials information

Materials Type of material
Cassiterite Ore
Gold Ore
Wolframite Ore
Garnet Gangue
Hematite Gangue
Magnetite 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 Metamorphic Rock > Metasedimentary Rock > Slate
    Stratigraphic age (youngest) Pleistocene
    Stratigraphic age (youngest) Late Ordovician
    Stratigraphic age (youngest) Holocene
  • Host or associated Associated
    Rock type Metamorphic Rock > Metasedimentary Rock > Quartzite
  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Conglomerate
    Rock unit name Cangalli
    Rock description Cangalli

Nearby scientific data

(1) -68.03284, -15.54773
ListMap

Economic information

Controls for ore emplacement

  • Paleochannel Of The Rio Tipuani

Comments on the geologic information

  • CONGLOMERATE CONTAINS CLASTS OF QUARTZITE, SLATE, AND IGNEOUS ROCKS IN A FERRUGINOUS CLAY MATRIX.

Economic information about the deposit and operations

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

Mining district

District name Tipuani

Ownership information

  • Type Owner-Operator
    Owner Cooperativa San Juanito Montecarlo

Reserves and resources

  • Type In-situ
    Estimate year 1980
    Total resources 2860000mt ore
    Commodity Subtype Grade units Group Importance Year
    Gold Au 0.8 g/mt Gold Major 1980

Comments on the workings information

  • SHAFTS 8 TO 14 M DEEP, CROSSCUT TUNNELS; OPEN PITS, DRAGLINE

Comments on development

  • ECON.COM: GRAVITY CONCENTRATION IN SLUICES

Reference information

Bibliographic references

  • Deposit

    ARRIEN, E., 1980, INFORME ETAPA "A" PROYECTO 121/80 - CENTRO DE DOCUMENTACION. FONDO NACIONAL DE EXPLORACION MINERA

  • Deposit

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

  • Other Database

    CIMRI

  • Reserve-Resource

    (1) GUSTAVSON ASSOC. (1992)

General comments

Subject category Comment text
Deposit GOLD PLACERS FOUND IN PLEISTOCENE PALEOCHANNELS, TERRACE GRAVELS ALONG MODERN DRAINAGES, AND WITHIN MODERN STREAMBEDS.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-OCT-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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