Los Colorados De Bolivia Mine

Past Producer in Potosi, Bolivia with commodities Silver, Lead, Zinc, Copper, Bismuth, 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. Workings at the site
  18. Links to other databases
  19. Bibliographic references
  20. General comments
  21. Reporter information

Geologic information

Identification information

Deposit ID 10005854
MRDS ID BL10017
Record type Site
Current site name Los Colorados De Bolivia Mine
Alternate or previous names Rosario I

Geographic coordinates

Geographic coordinates: -66.45112, -21.81588 (WGS84)
Elevation 4500
Relative position 7 KM N65E 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

Comments on the location information

  • ON EAST FLANK OF CERRO SOMBRERITO, AT ACERODOYOC

Commodities

Commodity Importance
Silver Primary
Lead Tertiary
Zinc Critical Tertiary
Copper Tertiary
Bismuth Critical Tertiary
Tin Critical Tertiary

Materials information

Materials Type of material
Bismuthinite Ore
Galena Ore
Sphalerite Ore
Limonite Gangue
Pyrite Gangue
Quartz Gangue

Alteration

  • (Local) Propylitic, Sericitic, Pyritic, Argillic

Analytical data

Result ASSAYS BY GEOBOL (PROYECTO LIPEZ, 1971) 20 TO 450 G/T AG, AVERAGE 150 G/T AG
Result 0.6 TO 4.4% PB, AVERAGE 1.8% PB
Result O.7 TO 2.1% ZN, AVERAGE 1.2% ZN
Result TRACE BI
Result BY VEDIA (1960): 0 TO 1% CU, 0 TO 0.03% BI, 0.16% SN, 15 TO 785 G/T AG

Mineral occurrence model information

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

Host and associated rocks

  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Rhyodacite

Nearby scientific data

(1) -66.45112, -21.81588

Economic information

Ore body information

  • Strike E-W
    Dip 70 TO 80 N
    Depth to top 0M

Controls for ore emplacement

  • E-W Fractures

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Significant No
Discoverer Spanish Colonists
Year of last production 1930

Mining district

District name Cerro Bonete

Land status

Ownership category Federal

Ownership information

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

Workings at the site

  • Type of workings Surface/Underground
    Length 200M
    Overall depth 10M
    Overall length 45.72M

Comments on the workings information

  • WORKINGS CONSIST OF ONE SHAFT, 4 ADITS, OPEN PITS AND TRENCHES

Reference information

Bibliographic references

  • Deposit

    JIMENEZ CH., NESTOR, AND NUNEZ A., GERMAN, 1988, EVALUACION DEL POTENCIAL EN METALES PRECIOSOS DE LOS CERROS PUCASALLE Y PUCA ORKHO, PROVINCIA SUD LIPEZ, POTOSI-BOLIVIA: PROGRAMA DE LAS NACIONES UNIDAS PARA EL DESAROLLO, PROYECTO BOL/87/012, INFORME NU-23, 35P., MAPS 1:50,000; 1:10,000

  • Deposit

    SERVICIO GEOLOGICO DE BOLIVIA (GEOBOL), 1971, MINA COLORADOS DE BOLIVIA: PROYECTO LIPEZ-COMIBOL-1970 INFORME GE-15, 7P.

  • Deposit

    VALENCIA, J., 1973, ESTUDIO GEOLOGICO DE LA REGION ORIENTAL DEL CERRO BONETE, PROVINCIA SUD LIPEZ-DEPTO. DE POTOSI: UNPUBLISHED THESIS, UNIVERSIDAD MAYOR DE SAN ANDRES, LA PAZ, BOLIVIA, 80P.

  • Deposit

    VEDIA M., J., 1960, INFORME SOBRE ORIENTACION TECNICA MINERA MINA LOS COLORADOS: DEPARTAMENTO NACIONAL DE GEOLOGIA INFORME TM-104, 3P.

  • Deposit

    GEOLOGIC INVESTIGATIONS BY GEOBOL (PROYECTO LIPEZ, 1971) AND VEDIA (1960)

  • Deposit

    VISITED OCT. 1990 USGS/GEOBOL

  • Deposit

    GEOLOGIC INVESTIGATIONS BY UNDP (JIMENEZ AND NUNEZ, 1988)

  • Other Database

    CIMRI

General comments

Subject category Comment text
Deposit ONE VEIN WAS FOLLOWED FOR 70 M ALONG STRIKE OF N88E DIPPING 60N WITH VARIABLE WIDTH BETWEEN 0.01 AND 1.42 M. ANOTHER VEIN STRIKES N88W AND DIPS 74N WITH VARIABLE WIDTH OF 20 TO 65 CM.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-APR-1990 Long, Keith R. U.S. Geological Survey PARSED HOST ROCK AND ASSOCIATED ROCK INFORMATION FROM OLD SINGLE VALUED FIELD TO NEW MULTIVALUED FIELD
Editor 27-APR-1995 Mosier, Dan U.S. Geological Survey

Beyond USGS

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