Excelsior Mine

Producer in Potosi, Bolivia with commodities Tin, Zinc
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. Controls for ore emplacement
  13. Economic information about the deposit and operations
  14. Ownership information
  15. Reserves and resources
  16. Links to other databases
  17. Bibliographic references
  18. General comments
  19. Reporter information

Geologic information

Identification information

Deposit ID 10006421
MRDS ID BL20452
Record type Site
Current site name Excelsior Mine

Geographic coordinates

Geographic coordinates: -66.76447, -18.11431 (WGS84)
Elevation 4504
Relative position 4 KM N35E OF MORCOCALA

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
Tin Critical Primary
Zinc Critical Tertiary

Materials information

Materials Type of material
Cassiterite Ore
Sphalerite Ore
Kaolinite Gangue
Limonite Gangue
Quartz Gangue

Alteration

  • (Local) Kaolinitization

Host and associated rocks

  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Shale
    Rock unit name Cancaniri;Llallagua
    Rock description Cancaniri;Llallagua
    Stratigraphic age (youngest) Pliocene
  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Sandstone

Nearby scientific data

(1) -66.76447, -18.11431

Economic information

Geologic structures

Type of structure Regional
Structure description Faulted Anticline

Ore body information

  • General form TABULAR
    Strike N 10-30 E
    Dip 75 NE

Controls for ore emplacement

  • Mineralization Along Contact Between Shale And Sandstone

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Deposit size Small
Significant No
Year of last production 1991

Ownership information

  • Type Owner
    Owner Salinas Chavez Issac

Reserves and resources

  • Type In-situ
    Estimate year 1977
    Total resources 6000000mt ore
    Commodity Subtype Grade units Group Importance Year
    Tin Sn 0.62 wt-pct Tin Major 1977

Reference information

Bibliographic references

  • Deposit

    RIVERA, M., AVILA, M., AND INOFUENTES, R., 1977, EXCELSIOR MINE PREFEASIBILITY STUDY: GEOBOL INFORME

  • Other Database

    CIMRI

  • Production

    RIVERA AND OTHERS (1977)

General comments

Subject category Comment text
Deposit UPPER PART OF VEIN IS OXIDIZED WITH CASSITERITE MINERALIZATION. SULFIDE MINERALIZATION IS SPHALERITE-PYRITE-STANNITE.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUN-1991 Leyton Rodriguez, Martha Delia 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.