Cerro Tunapa Occurrence

Occurrence in Oruro, Bolivia with commodities Sulfur, Arsenic
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. Land status
  16. Links to other databases
  17. Bibliographic references
  18. General comments
  19. Reporter information

Geologic information

Identification information

Deposit ID 10005962
MRDS ID BL10180
Record type Site
Current site name Cerro Tunapa Occurrence
Alternate or previous names Tunapa, Volcan Tunapa

Geographic coordinates

Geographic coordinates: -67.64532, -19.82204 (WGS84)
Elevation 5100
Relative position 9 KM E OF ALIANZA

Site location context

Political divisions (FIPS codes)

Oruro(province)

Bolivia(country)

South America(continent)

Land(continent)

Federal lands

Federal(land status)

Geographic areas

Country State
Bolivia Oruro

Comments on the location information

  • ON E FLANK OF CERRO TUNAPA, EXPOSED IN AN ERODED CRATER.

Commodities

Commodity Importance
Sulfur Primary
Arsenic Critical Primary

Materials information

Materials Type of material
Realgar Ore
Sulfur Ore
Gypsum Gangue

Alteration

  • (Local) Advanced Argillic

Analytical data

Result 45.8 TO 83.0%

Mineral occurrence model information

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

Host and associated rocks

  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Intermediate Volcanic Rock > Andesite
    Stratigraphic age (youngest) Holocene
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Pyroclastic Rock > Tuff

Nearby scientific data

(1) -67.64532, -19.82204

Economic information

Geologic structures

Type of structure Local
Structure description Stratovolcano

Ore body information

  • General form BLANKET
    Thickness 400M
    Depth to top 0M

Controls for ore emplacement

  • Porous Tuff

Economic information about the deposit and operations

Development status Occurrence
Commodity type Both
Significant No

Land status

Ownership category Federal

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. 334.

  • Deposit

    SANJINES V., ORLANDO, 1968, ESTUDIO GEOLOGICO DE LA REGION DE TAGUA: UNPUBLISHED TESIS DE GRADO, UNIVERSIDAD MAYOR DE SAN ANDRES, LA PAZ, BOLIVIA, 102P., MAP 1:50,000.

  • Deposit

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

  • Deposit

    THESIS BY SANJINES (1968

  • Other Database

    CIMRI

General comments

Subject category Comment text
Deposit S OCCURS AS POCKETS AND NODULES IN GYPSUM GANGUE DISSEMINATED AND FILLING OPEN SPACE IN ALTERED TUFF.

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.