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  3. Mineral Resource Data System (MRDS)

San Jorge Mine

Past Producer in Potosi, Bolivia with commodities Zinc, Lead, Silver, 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. 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 10006405
MRDS ID BL20430
Record type Site
Current site name San Jorge Mine

Geographic coordinates

Geographic coordinates: -65.54943, -21.46422 (WGS84)
Elevation 3400
Relative position 17.5 KM S80E OF TUPIZA

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
Zinc Critical Primary
Lead Primary
Silver Primary
Copper Tertiary

Materials information

Materials Type of material
Chalcopyrite Ore
Sphalerite Ore
Pyrite Gangue
Quartz Gangue
Siderite Gangue

Alteration

  • (Local) Silicification

Host and associated rocks

  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Shale
    Rock unit name Obispo
    Rock description Obispo
    Stratigraphic age (youngest) Early Ordovician
    Stratigraphic age (youngest) Early Ordovician
  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Sandstone

Nearby scientific data

(1) -65.54943, -21.46422
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description On E Limb Of Anticline

Ore body information

  • General form PINCH AND SWELL
    Strike N 30-35 W
    Dip 60-70 NE

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-Operator
    Owner Empresa Casado Hermanos

Reserves and resources

  • Type In-situ
    Estimate year 1982
    Total resources 109833000mt ore
    Commodity Subtype Grade units Group Importance Year
    Zinc Zn 1.27 wt-pct Zinc Major 1982
    Lead Pb 1.51 wt-pct Lead Major 1982
    Silver Ag 37 g/mt Silver Major 1982

Comments on the reserve resource information

  • PROSPECTIVE RESERVE

Comments on the workings information

  • 30 M OF CROSSCUTS, SHORT DRIFTS; PROSPECT PITS

Comments on development

  • ECON.COM: HAND SORTED ORE

Reference information

Bibliographic references

  • Deposit

    FONEM, 1982, INFORME PROYECTO 298/82

  • 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 TWO MAIN SUBPARALLEL VEINS 400 M LONG AND 0.10-1.0 M WIDE.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAR-1991 Guerra, Edwin Servicio Geologic de Bolivia
Updater 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.

Maps centered on this site