Pacuni Mine

Past Producer in La Paz, Bolivia with commodities Tungsten, Tin
Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Commodities
  6. Materials information
  7. Mineral occurrence model information
  8. Host and associated rocks
  9. Nearby scientific data
  10. Ore body information
  11. Controls for ore emplacement
  12. Economic information about the deposit and operations
  13. Mining district
  14. Land status
  15. Ownership information
  16. Links to other databases
  17. Bibliographic references
  18. General comments
  19. Reporter information

Geologic information

Identification information

Deposit ID 10080349
MRDS ID W031471
Record type Site
Current site name Pacuni Mine

Geographic coordinates

Geographic coordinates: -67.49949, -16.93101 (WGS84)
Elevation 5000
Location accuracy 5000(meters)
Relative position ABOUT 13 KM N65W OF TOWN OF QUIME

Site location context

Political divisions (FIPS codes)

La Paz(province)

Bolivia(country)

South America(continent)

Land(continent)

Federal lands

Federal(land status)

Geographic areas

Country State
Bolivia La Paz

Comments on the location information

  • LOCATED IN THE MIDDLE PART OF THE BATHOLITH ALONG THE SW EDGE 300 METERS NE OF THE CONTACT ZONE.

Commodities

Commodity Importance
Tungsten Critical Primary
Tin Critical Secondary

Materials information

Materials Type of material
Cassiterite Ore
Scheelite Ore
Wolframite Ore
Apatite Gangue
Chlorite Gangue
Pyrite Gangue
Quartz Gangue
Tourmaline Gangue

Mineral occurrence model information

Model code 46
USGS model code 15a
Deposit model name W veins

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
    Rock unit name Quimsa Cruz Batholith
    Rock description Quimsa Cruz Batholith
    Stratigraphic age (youngest) Late Devonian
  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Shale
    Rock unit name Pampa;Catavi
    Rock description Pampa;Catavi
  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Sandstone

Nearby scientific data

(1) -67.49949, -16.93101

Economic information

Ore body information

  • General form TABULAR
    Strike N20E
    Dip 75 TO 85NW
    Thickness 0.06M
    Length 300M
    Width 180M

Controls for ore emplacement

  • Fractures, Shear Zones, In Three Different Systems

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Medium
Significant No
Year of first production 1950

Mining district

District name Caracoles Mining District

Land status

Ownership category Federal

Ownership information

  • Type Operator
    Owner Empresa Minera Caracoles (Comibol)
  • Type Owner
    Owner Corporacion Minera De Bolivia

Comments on the production information

  • PRODUCTION OF WO3 BETWEEN 1915 AND 1964 WAS ABOUT 4000 TONS. MINE CONTAINED AN AVERAGE OF 12% WO3 AND 2% SN DURING ITS FIRST YEARS OF PRODUCTION. MINE WAS INACTIVE IN 1964.

Comments on development

  • MILL.CAP: 45 TN CONCENTRATE ; ECON.YEAR: 1962

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit 4 PRINCIPAL VEINS OCCUR 300 METERS NE OF THE CONTACT ZONE AND ARE EXPOSED IN THE PLUTON ITSELF ACROSS A 160 METER WIDE AREA. DIMENSIONS ABOVE ARE SHOWN FOR THE BLANCA VEIN. SMALL SN VEINS CUT THE MAIN W VEINS.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAY-78 Urquidi-Barrau, Fernando U.S. Geological Survey
Updater 01-OCT-81 Ericksen, George E. (Rowe, William D.) Department of State

Beyond USGS

Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.