La Moza Mine

Occurrence in Potosi, Bolivia with commodities Silver, Lead, Bismuth, Zinc, Copper, Tin
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. Ore body information
  12. Controls for ore emplacement
  13. Economic information about the deposit and operations
  14. Mining district
  15. Land status
  16. Ownership information
  17. Links to other databases
  18. Bibliographic references
  19. General comments
  20. Reporter information

Geologic information

Identification information

Deposit ID 10005935
MRDS ID BL10142
Record type Site
Current site name La Moza Mine

Geographic coordinates

Geographic coordinates: -66.45945, -21.73311 (WGS84)
Elevation 5000
Relative position 3 KM FROM LIPE%A MINE, 13 KM N25E OF GUADALUPE

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
Silver Primary
Lead Secondary
Bismuth Critical Tertiary
Zinc Critical Tertiary
Copper Tertiary
Tin Critical Tertiary

Materials information

Materials Type of material
Bismuthinite Ore
Chalcopyrite Ore
Galena Ore
Barite Gangue
Limonite Gangue
Pyrite Gangue
Quartz Gangue
Specularite Gangue

Alteration

  • (Local) Sericite, Kaolinite, Chlorite; Silicification Grades Outward Into Mixed Silicification, Argillization And Propylitization.

Analytical data

Result ANALYSES BY GEOBOL (1971): 0.6 TO 23.5 DM AG, 0 TO 1.2% PB, 0 TO 4.6% BI

Mineral occurrence model information

Model code 77
USGS model code 20b
Deposit model name Sn-polymetallic vein

Host and associated rocks

  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Dacite
    Stratigraphic age (youngest) Miocene
    Stratigraphic age (youngest) Miocene
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Dacite

Nearby scientific data

(1) -66.45945, -21.73311

Economic information

Ore body information

  • Depth to top 0M

Controls for ore emplacement

  • Fractures

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Significant No
Discoverer Spanish Colonists

Mining district

District name Cerro Bonete

Land status

Ownership category Federal

Ownership information

  • Type Operator
    Owner Cooperativa Minera Santa Ana
  • Type Owner
    Owner Corporacion Minera De Bolivia (Comibol)

Comments on the reserve resource information

  • AMOUNT OF MINERALIZED ROCK ESTIMATED AT BETWEEN 19 AND 44 MILLION MT.

Comments on the workings information

  • WORKINGS CONSIST OF SHALLOW PROSPECT PITS AND ADITS.

Comments on development

  • OPERATED BY COMIBOL 1967 AND 1971, THEN BY COOPERATIVE

Reference information

Bibliographic references

  • Deposit

    SERVICIO GEOLOGICO DE BOLIVIA, 1971, MINA LA MOZA: PROYECTO LIPEZ-COMIBOL-1970 INFORME GE-18, 7P., MAP 1:1,000.

  • Deposit

    MEDINA C., ALFONSO, AND IBA%EZ V., VICTOR, 1988, CARACTERISTICAS GEOLOGICAS Y EVALUACION DEL POTENCIAL MINERAL DEL YACIMIENTO DE METALES PRECIOSOS DE LIPE%A-LA MOZA Y BARRAHUAYCO, POTOSI-BOLIVIA: PROGRAMA DE LAS NACIONES UNIDAS PARA EL DESAROLLO, PROYECTO BOL/87/012, INFORME, 24P., MAP 1:10,000.

  • Deposit

    GEOLOGICAL INVESTIGATIONS BY GEOBOL (1971)

  • Deposit

    GEOLOGICAL INVESTIGATIONS BY UNDP (MEDINA ET AL, 1988)

  • Other Database

    CIMRI

  • Reserve-Resource

    MEDINA AND IBA%EZ (1988)

General comments

Subject category Comment text
Deposit LIMONITE-PYRITE VEINS STRIKE N11 TO 58E AND N36 TO 49W WITH VARIABLE DIP AND WIDTHS OF 1 TO 5 CM. STOCKWORK MINERALIZATION CONSISTS OF UP TO 0.1 M WIDE VEINLETS STRIKING N35 TO 80W AND DIPPING 40 TO 70SW WITH A FRACTURE DENSITY OF 10 PER SQUARE METER. THESE VEINS ARE FILLED BY LIMONITE-QUARTZ-BARITE-PYRITE. PB, AG, BI MINERALS FOUND IN PYRITE-BARITE-FE OXIDE GANGUE IN OLD DUMPS.
Deposit RECORD INFORMATION ALSO SUPPLIED BY GEOBOL

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUN-1990 Long, K.R.; Camacho, E. U.S. Geological Survey

Beyond USGS

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