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  3. Mineral Resource Data System (MRDS)

Eureka Mine

Producer in La Paz, Bolivia with commodities Tin, Tungsten, Copper
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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. Ore body information
  10. Controls for ore emplacement
  11. Economic information about the deposit and operations
  12. Mining district
  13. Ownership information
  14. Production statistics
  15. Workings at the site
  16. Links to other databases
  17. Bibliographic references
  18. General comments
  19. Reporter information

Geologic information

Identification information

Deposit ID 10006192
MRDS ID BL20149
Record type Site
Current site name Eureka Mine

Geographic coordinates

Geographic coordinates: -67.20755, -17.07712 (WGS84)
Elevation 4200
Relative position 7.5 KM N20W OF ICHOCA

Site location context

Political divisions (FIPS codes)

La Paz(province)

Bolivia(country)

South America(continent)

Land(continent)

Geographic areas

Country State
Bolivia La Paz

Commodities

Commodity Importance
Tin Critical Primary
Tungsten Critical Secondary
Copper Tertiary

Materials information

Materials Type of material
Cassiterite Ore
Chalcopyrite Ore
Wolframite Ore
Pyrite Gangue
Pyrrhotite Gangue
Quartz Gangue
Tourmaline Gangue

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock > Slate
    Rock unit name Caradociana Amutara ;Cancaniri
    Rock description Caradociana Amutara ;Cancaniri
    Stratigraphic age (youngest) Late Silurian
  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock > Quartzite
  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Sandstone

Nearby scientific data

(1) -67.20755, -17.07712
ListMap

Economic information

Ore body information

  • General form TABULAR
    Thickness 0.04M
    Width 6000M

Controls for ore emplacement

  • Faults

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1965

Mining district

District name Tres Cruces

Ownership information

  • Type Owner-Operator
    Owner Sarmiento, Gerardo V.

Production statistics

  • Year 1984
    Period 1984
    Accuracy Estimate
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Conc. Tin Tin 40wt-pct

Workings at the site

  • Type of workings Surface/Underground
    Length 870M

Comments on the workings information

  • PROSPECT PITS

Reference information

Bibliographic references

  • Deposit

    GOMEZ, G., 1984, PROYECTO DE SEMIMECANIZACION DE LA MINERIA CHICA, INFORME PRELIMINAR MINA EUREKA SEMECH: GEOBOL INFORME 032/83

  • Other Database

    CIMRI

  • Production

    GOMEZ (1984)

General comments

Subject category Comment text
Deposit ARE SIX VEINS FROM SE TO NW: (1) MORE THAN 300 M LONG; (2) MORE THAN 200 M LONG; (3) ABOUT 150 M LONG; (4) 150 M LONG; (5) 70 M LONG, STRIKES WSW - ENE; (6, SECCION FILI-JIHUATA): ON A MAJOR REGIONAL STRUCURE AND IS LARGEST VEIN AT MINE.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUN-1991 Moreno, Jorge Servicio Geologic de Bolivia
Updater 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.

Maps centered on this site