Cordillera Sillajguay Mine

Past Producer in Potosi, Bolivia with commodity Sulfur
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. Mineral occurrence model information
  9. Host and associated rocks
  10. Nearby scientific data
  11. Geologic structures
  12. Ore body information
  13. Controls for ore emplacement
  14. Economic information about the deposit and operations
  15. Mining district
  16. Land status
  17. Ownership information
  18. Reserves and resources
  19. Links to other databases
  20. Bibliographic references
  21. General comments
  22. Reporter information

Geologic information

Identification information

Deposit ID 10097683
MRDS ID BL10182
Record type Site
Current site name Cordillera Sillajguay Mine
Alternate or previous names Cordillera Sillayhuay, Cordillera Sillajguay, Cordillera Sillajhuay

Geographic coordinates

Geographic coordinates: -68.67063, -19.7551 (WGS84)
Elevation 5200
Relative position 13 KM NW OF BELLA VISTA

Site location context

Political divisions (FIPS codes)

Potosi(province)

Bolivia(country)

South America(continent)

Land(continent)

Federal lands

Federal(land status)

Geographic areas

Country State
Bolivia Potosi

Comments on the location information

  • SEVERAL S OCCURRENCES IN THE CORDILLERA SILLAJGUAY

Commodities

Commodity Importance
Sulfur Primary

Materials information

Materials Type of material
Sulfur Ore
Chalcedony Gangue
Kaolinite Gangue
Opal Gangue

Alteration

  • (Local) Fumarolic

Analytical data

Result SULFUR CONCENTRATES CONTAIN DETECTABLE AMOUNTS OF FE, MG, TI, V (0.04%) AND ZR (0.003%).

Mineral occurrence model information

Model code 167
USGS model code 25m
Deposit model name Fumarolic sulfur

Host and associated rocks

  • Host or associated Host
    Rock type Unconsolidated Deposit > Volcanic Ash

Nearby scientific data

(1) -68.67063, -19.7551

Economic information

Geologic structures

Type of structure Local
Structure description Extinct Stratovolcano

Ore body information

  • General form BLANKET
    Depth to top 0M

Controls for ore emplacement

  • Tuff Beds Overlain By Andesite-Dacite Lava Flows, Locally Fractured.

Economic information about the deposit and operations

Development status Past Producer
Commodity type Non-metallic
Significant No

Mining district

District name Cordillera Sillajguay

Land status

Ownership category Federal

Ownership information

  • Type Owner-Operator
    Owner Empresa Azufrera Sillajhuay

Reserves and resources

  • Type In-situ
    Estimate year 1964
    Total resources 1228700000mt ore
    Commodity Subtype Grade units Group Importance Year
    Sulfur S 69.5 wt-pct Sulfur Major 1964

Comments on development

  • MINING CAMP IN NOW IN RUINS

Reference information

Bibliographic references

  • Deposit

    AHLFELD, F., AND SCHNEIDER-SCHERBINA, A., 1964, YACIMIENTOS MINERALES Y DE HIDROCARBUROS DE BOLIVIA: DEPARTAMENTO NACIONAL DE GEOLOGIA BOLETIN 5, P. 331, 334.

  • Deposit

    MINISTERIO DE MINERIA, INFORME NO. 462, CORDILLERA SILLAHUAY SULFUR DEPOSITS INDUSTRIAL STUDY.

  • Other Database

    CIMRI

  • Reserve-Resource

    AHLFELD ET. AL. (1964) P. 334.

General comments

Subject category Comment text
Deposit POCKETS AND VEINLETS OF S IN TUFF BEDS 1.2 M THICK. ALTERED TUFF WITH DISSEMINATED SULFUR ("CALICHE") CONTAINS 13 TO 20 PERCENT SULFUR. INTENSELY FRACTURED ALTERED TUFF CONTAINS 55 TO 85 PERCENT SULFUR.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUL-1990 Long, Keith R. U.S. Geological Survey
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.