Esperanza Mine

Producer in La Paz, Bolivia with commodities Tin, Tungsten, Bismuth, Copper
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. Economic information about the deposit and operations
  11. Mining district
  12. Production statistics
  13. Links to other databases
  14. Bibliographic references
  15. General comments
  16. Reporter information

Geologic information

Identification information

Deposit ID 10006126
MRDS ID BL20061
Record type Site
Current site name Esperanza Mine
Alternate or previous names Santa Elena

Geographic coordinates

Geographic coordinates: -68.60785, -15.80161 (WGS84)
Elevation 3000

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
Tin Critical Primary
Tungsten Critical Primary
Bismuth Critical Secondary
Copper Secondary

Materials information

Materials Type of material
Bismuthinite Ore
Cassiterite Ore
Chalcopyrite Ore
Wolframite Ore
Pyrite Gangue
Quartz Gangue

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock > Slate
    Stratigraphic age (youngest) Late Silurian
    Stratigraphic age (youngest) Late Silurian
  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Shale

Nearby scientific data

(1) -68.60785, -15.80161

Economic information

Ore body information

  • Strike N 80 W
    Dip 60 NW
    Thickness 0.04M

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Millapaya

Production statistics

  • Year 1979
    Accuracy Estimate
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Conc. Tungsten Tungsten 60wt-pct
    Major Conc. Tin Tin 40wt-pct

Reference information

Bibliographic references

  • Deposit

    JAUREGUI J., 1979, MILLIPAYA MINE DISTRICT GEOLOGIC MINING EXPLORATION PRELIMINARY REPORT: GEOBOL INFORME GE-G1/405

  • Other Database

    CIMRI

  • Production

    JAUREGUI (1979)

General comments

Subject category Comment text
Deposit VEINS ARE DIFFICULT TO TRACE ON SURFACE. VEINS ARE 10-40 CM THICK.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-SEP-1990 Aviles A., Osvaldo 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.