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Esperada Mine

Past Producer in Potosi, Bolivia with commodities Lead, Zinc, Silver
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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. Alteration
  8. Host and associated rocks
  9. Nearby scientific data
  10. Geologic structures
  11. Ore body information
  12. Economic information about the deposit and operations
  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 10006394
MRDS ID BL20415
Record type Site
Current site name Esperada Mine
Alternate or previous names Esperanza

Geographic coordinates

Geographic coordinates: -65.78527, -21.87504 (WGS84)
Elevation 3400
Relative position 2 KM N85E OF CHAGUA

Site location context

Political divisions (FIPS codes)

Potosi(province)

Bolivia(country)

South America(continent)

Land(continent)

Geographic areas

Country State
Bolivia Potosi
Bolivia Potosi

Commodities

Commodity Importance
Lead Primary
Zinc Critical Primary
Silver Primary

Materials information

Materials Type of material
Barite Gangue
Pyrite Gangue
Quartz Gangue

Alteration

  • (Local) Silicification

Host and associated rocks

  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Shale
    Rock unit name Agua Y Toro
    Rock description Agua Y Toro
    Stratigraphic age (youngest) Middle Ordovician
    Stratigraphic age (youngest) Middle Ordovician
  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Sandstone

Nearby scientific data

(1) -65.78527, -21.87504
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description On East Limb Of Anticline

Ore body information

  • General form PINCH AND SWELL
    Strike N 60 E
    Dip 75 NW

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1850

Ownership information

  • Type Owner
    Owner Felipe Casado

Reserves and resources

  • Type In-situ
    Estimate year 1982
    Total resources 6629000mt ore
    Commodity Subtype Grade units Group Importance Year
    Lead Pb 2.96 wt-pct Lead Major 1982
    Zinc Zn 0.16 wt-pct Zinc Major 1982
    Silver Ag 16 g/mt Silver Major 1982
  • Type In-situ
    Estimate year 1982
    Total resources 10800000mt ore
    Commodity Subtype Grade units Group Importance Year
    Lead Pb 2.96 wt-pct Lead Major 1982
    Zinc Zn 0.16 wt-pct Zinc Major 1982
    Silver Ag 16 g/mt Silver Major 1982
  • Type In-situ
    Estimate year 1982
    Total resources 25200000mt ore
    Commodity Subtype Grade units Group Importance Year
    Lead Pb 2.96 wt-pct Lead Major 1982
    Zinc Zn 0.16 wt-pct Zinc Major 1982
    Silver Ag 16 g/mt Silver Major 1982

Comments on the reserve resource information

  • (1) PROBABLE; (2) POSSIBLE; (3) PROSPECTIVE

Comments on the workings information

  • THREE SHORT CROSSCUT ADITS, DRIFTS, SHAFTS, AND INCLINES.

Reference information

Bibliographic references

  • Deposit

    FONEM, 1982, INFORME PROYECTO 314/82

  • Deposit

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

  • Other Database

    CIMRI

General comments

Subject category Comment text
Deposit Discovery Year: 1800'S
Deposit MAIN VEIN (ESPERANZA) TRENDS N60E DIPS 75NW, AVERAGES 0.8 M WIDE.

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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