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  3. Mineral Resource Data System (MRDS)

La Herradura 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. 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 10107605
MRDS ID BL20217
Record type Site
Current site name La Herradura Mine

Geographic coordinates

Geographic coordinates: -67.9995, -15.66439 (WGS84)
Elevation 600
Relative position AT VILAQUE

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) Holocene
    Stratigraphic age (youngest) Late Ordovician
  • Host or associated Associated
    Rock type Metamorphic Rock > Metasedimentary Rock > Quartzite
  • Host or associated Host
    Rock type Unconsolidated Deposit > Gravel
  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Conglomerate

Nearby scientific data

(1) -67.9995, -15.66439
ListMap

Economic information

Comments on the geologic information

  • CONGLOMERATE CONTAINS ROUNDED AND SUBROUND CLASTS OF SLATE AND QUARTZITE 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

Ownership information

  • Type Owner-Operator
    Owner Jaime Urquidi

Reserves and resources

  • Type In-situ
    Estimate year 1980
    Total resources 3100000mt ore
    Commodity Subtype Grade units Group Importance Year
    Gold Au 0.3 g/mt Gold Major 1980

Comments on the reserve resource information

  • (1) PROSPECTIVE

Comments on the workings information

  • THREE SHALLOW SHAFTS, NOW CAVED

Reference information

Bibliographic references

  • Deposit

    MURIEL C., 1980, INFORME ETAPA "A" PROYECTO 17/77 - 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 MOSTLY FINE GOLD, WITH SOME NUGGETS UP TO 30 MG IN SIZE, IRREGULARLY DISTRIBUTED IN PLEISTOCENE CONGLOMERATE AND RECENT TERRACE AND STREAMBED GRAVELS. RICHEST GOLD CONCENTRATIONS FOUND IN PLEISTOCENE CONGLOMERATE.

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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