Volcan Ollague Mines

Producer in Potosi, Bolivia with commodity Sulfur

Geologic information

Identification information

Deposit ID 10107589
MRDS ID BL10189
Record type Site
Current site name Volcan Ollague Mines
Alternate or previous names Santa Rosa

Geographic coordinates

Geographic coordinates: -68.17144, -21.30007 (WGS84)
Elevation 5500
Relative position 12 KM S15E OF ESTACION ABAROA
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Geographic areas

Country State
Bolivia Potosi

Comments on the location information

  • ON SE FLANK OF VOLCAN OLLAGUE. DEPOSIT EXTENDS INTO CHILE WHERE IT IS KNOWN AS THE SANTA ROSA MINE.

Commodities

Commodity Importance
Sulfur Primary

Materials information

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

Alteration

  • (Local) Argillization, Silicification

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 Volcanic Rock (Aphanitic) > Pyroclastic Rock > Tuff
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Pyroclastic Rock > Volcanic Breccia (Agglomerate)

Nearby scientific data

(1) -68.17144, -21.30007

Geologic structures

Type of structure Local
Structure description Stratovolcano

Ore body information

  • General form BLANKET

Comments on the geologic information

  • ACTIVE FUMUROLES IN CHILEAN PART OF VOLCANO

Economic information

Economic information about the deposit and operations

Development status Producer
Commodity type Non-metallic
Significant No
Discovery method Ore-Mineral In Place

Land status

Ownership category Federal

Ownership information

  • Type Owner-Operator
    Owner Bedregal Family

Reserves and resources

  • Type In-situ
    Estimate year 1990
    Total resources 3,000,000mt ore
    Commodity Subtype Grade units Group Importance Year
    Sulfur S 40 wt-pct Sulfur Major 1990

Comments on the workings information

  • ADITS AND OPEN PITS

Comments on development

  • SMALL REDUCTION PLANT WITH AUTOCLAVES

Reference information

Links to other databases

Agency Database name Acronym Record ID Notes
USGS Mineral Resources Data System MRDS BL10189

Bibliographic references

  • Deposit

    RODRIGUEZ, R., AND OTHERS, 1976, YACIMIENTOS MINERALES DE LA CORDILLERA OCCIDENTAL DE LOS ANDES: SERVICIO GEOLOGICO DE BOLIVIA, 41P.

  • Deposit

    ESPINOZA, 1990, MINTEC INTERNAL REPORT

  • Deposit

    AVILA, W., SULFUR VOLCANOGENIC DEPOSITS: MINISTERIO DE MINERIA INFORME 545

  • Other Database

    CIMRI

  • Reserve-Resource

    (1) ESPINOZA (1990)

General comments

Subject category Comment text
Deposit SULFUR VEINLETS, DISSEMINATIONS, OPEN SPACE FILLINGS, REPLACEMENT OF FELDSPAR AND MANTOS IN ALTERED TUFF AND VOLCANIC BRECCIA.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAY-1990 Long, Keith R. U.S. Geological Survey
Updater 01-SEP-1993 Long, Keith R. U.S. Geological Survey