San Pablo De Napa Mine

Producer in Potosi, Bolivia with commodities Sulfur, Arsenic, Selenium
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. Ownership information
  17. Reserves and resources
  18. Links to other databases
  19. Bibliographic references
  20. General comments
  21. Reporter information

Geologic information

Identification information

Deposit ID 10106634
MRDS ID BL10172
Record type Site
Current site name San Pablo De Napa Mine

Geographic coordinates

Geographic coordinates: -68.59534, -20.51536 (WGS84)
Elevation 3785
Relative position 2.3 KM N30W OF ABRA DE NAPA, 136 KM BY ROAD FROM RR STATION AT CHIGUANI.

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

Commodities

Commodity Importance
Sulfur Primary
Arsenic Critical Tertiary
Selenium Tertiary

Materials information

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

Alteration

  • (Local) Argillization

Analytical data

Result AHLFELD ET AL (1964) GIVE GRADES FROM 55 TO 65%

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) Pliocene
    Stratigraphic age (youngest) Pliocene
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Glassy Rock > Vitrophyre

Nearby scientific data

(1) -68.59534, -20.51536

Economic information

Geologic structures

Type of structure Local
Structure description Stratovolcano

Ore body information

  • General form BLANKET
    Thickness 6M
    Length 1300M
    Width 600M
    Depth to top 0M
    Depth to bottom 6M

Controls for ore emplacement

  • Porous Ignimbrite

Economic information about the deposit and operations

Development status Producer
Commodity type Both
Significant No

Land status

Ownership category Federal

Ownership information

  • Type Owner-Operator
    Owner Corporacion Minera De Bolivia (Comibol); Socazbol Srl

Comments on the production information

  • PRODUCTION WAS 200 MT/MO 99.5% REFINED S BY CIA AZUFRERA SAN PABLO DE NAPA

Reserves and resources

  • Type In-situ
    Estimate year 1964
    Total resources 6240000mt ore
    Commodity Subtype Grade units Group Importance Year
    Sulfur S 55 wt-pct Sulfur Major 1964
  • Type In-situ
    Estimate year 1974
    Total resources 1500000mt ore
    Commodity Subtype Grade units Group Importance Year
    Sulfur S 40 wt-pct Sulfur Major 1974

Comments on the reserve resource information

  • (1) HIGHER GRADE RESERVES TO NO MORE THAN 6 M DEPTH. (2) POSITIVE ORE. (3) POSITIVE AND PROBABLE ORE.

Comments on development

  • WAS OWNED BY CIA. AZUFRERA SAN PABLO DE NAPA PRIOR TO NATIONALIZATION

Reference information

Bibliographic references

  • Deposit

    AHLFELD, F. AND SCHNEIDER-SCHERBINA, A., 1964, LOS YACIMIENTOS MINERALES Y DE HIDROCARBUROS DE BOLIVIA: DEPARTAMENTO NACIONAL DE GEOLOGIA BOLETIN 5, P. 331-332, 334.

  • Deposit

    ECHENIQUE M., 1972, GEOLOGIA ECONOMICA DEL YACIMIENTO DE AZUFRE DE SAN PABLO DE NAPA, PROVINCIA CAMPOS, DEPARTAMENTO DE POTOSI: UNPUBLISHED TESIS DE GRADO, UNIVERSIDAD MAYOR DE SAN ANDRES, FACULTAD DE CIENCIAS GEOLOGICAS, MAP

  • Deposit

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

  • Deposit

    THESIS BY ECHENIQUE (1972

  • Other Database

    CIMRI

  • Reserve-Resource

    (1-4) AHLFELD AND SCHNEIDER-SCHERBINA (1964); (5) GUSTAVSON ASSOC. (1992)

General comments

Subject category Comment text
Deposit DISSEMINATIONS AND VEINLETS OF SULFUR IN ALTERED TUFF CAPPED BY VITREOUS TUFF WITH DISSEMINATED SULFUR AND BY ANDESITIC LAVAS.

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.