Candelaria Mine

Producer in Oruro, Bolivia with commodities Tin, Silver, Antimony, Lead, Zinc
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. Host and associated rocks
  9. Nearby scientific data
  10. Geologic structures
  11. Ore body information
  12. Controls for ore emplacement
  13. Economic information about the deposit and operations
  14. Mining district
  15. Ownership information
  16. Production statistics
  17. Reserves and resources
  18. Workings at the site
  19. Links to other databases
  20. Bibliographic references
  21. General comments
  22. Reporter information

Geologic information

Identification information

Deposit ID 10006343
MRDS ID BL20345
Record type Site
Current site name Candelaria Mine

Geographic coordinates

Geographic coordinates: -66.94254, -18.45041 (WGS84)
Elevation 3800
Relative position 8 KM S15E OF POOPO

Site location context

Political divisions (FIPS codes)

Oruro(province)

Bolivia(country)

South America(continent)

Land(continent)

Geographic areas

Country State
Bolivia Oruro
Bolivia Oruro

Comments on the location information

  • 163 HA CONCESSION

Commodities

Commodity Importance
Tin Critical Primary
Silver Primary
Antimony Critical Tertiary
Lead Tertiary
Zinc Critical Tertiary

Comments on the commodity information

  • TEALLITE (PBSNS2) CONTAINS THE SAME PERCENTAGE OF SN AS PB, THIS IS A UNIQUE ASSOCIATION IN THE WORLD.

Materials information

Materials Type of material
Cassiterite Ore
Sphalerite Ore
Chalcopyrite Gangue
Marcasite Gangue
Pyrite Gangue
Pyrrhotite Gangue
Quartz Gangue

Alteration

  • (Local) Oxidation; Silicification

Host and associated rocks

  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Shale
    Stratigraphic age (youngest) Late Silurian
    Stratigraphic age (youngest) Late Silurian
  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Sandstone
    Rock unit name Llallagua Formation
    Rock description Llallagua Formation

Nearby scientific data

(1) -66.94254, -18.45041

Economic information

Geologic structures

Type of structure Regional
Structure description On W Flank Of A N-S Syncline. Axis 5 Km To The East.

Ore body information

  • General form PINCH AND SWELL
    Strike N 15 E
    Dip 40 E

Controls for ore emplacement

  • On South End Of A Regional Reverse Fault That Controls Veins In The Western Part Of The Poopo District.

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Deposit size Small
Significant No
Year of last production 1991

Mining district

District name Poopo

Ownership information

  • Type Owner-Operator
    Owner Alfonso Versalovic

Production statistics

  • Year 1982
    Accuracy Estimate
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Conc. Silver Silver 4000g/mt
    Trace Conc. Zinc Zinc 28wt-pct
    Trace Conc. Lead Lead 12wt-pct
    Major Conc. Tin Tin 12wt-pct

Reserves and resources

  • Type In-situ
    Estimate year 1983
    Total resources 34638000mt ore
    Commodity Subtype Grade units Group Importance Year
    Tin Sn 0.27 wt-pct Tin Major 1983
    Silver Ag 233 g/mt Silver Major 1983
    Lead Pb 0.7 wt-pct Lead Trace 1983
    Zinc Zn 4.38 wt-pct Zinc Trace 1983

Comments on the reserve resource information

  • PROBABLE AND POSSIBLE

Workings at the site

  • Type of workings Underground
    Length 300M
    Overall depth 200M

Comments on the workings information

  • CUT AND FILL MINING.

Comments on development

  • ECON.COM: CRUDE GRAVITY MILL (1980'S). AHLFELD AND SCHNEIDER-SCHERBINA (1964) STATE THAT THE MINE PRODUCED FLOATATION CONCENTRATES OF 55% SN.

Reference information

Bibliographic references

  • Deposit

    LAURA, F., JEMIO, J., AND AVENDANO, A., 1983, PROYECTO DE SEMIMECANIZACION MINA CANDELARIA: FONEM INTERNAL REPORT

  • Deposit

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

  • Deposit

    AHLFELD, F., AND SCHNEIDER-SCHERBINA, A., 1964, LOS YACIMIENTO MINERALES Y DE HIDROCARBUROS DE BOLIVIA: DEPARTAMENTO NACIONAL DE GEOLOGIA BOLETIN 5, P. 158-159.

  • Other Database

    CIMRI

  • Production

    LAURA AND OTHERS (1983)

General comments

Subject category Comment text
Deposit SEVERAL MANTOS (5 TO 30 CM WIDE VEINS PARALLEL TO BEDDING) OF WHICH ONLY 2 WERE MINED: (1) A TIN MANTO 150 M LONG, 200 M HIGH, WITH 40 DEGREE DIP; (2) A COMPLEX MANTO 140 M LONG, 120 M WIDE, WITH DIP AVERAGING 50 DEGREES. TEALLITE IS LARGELY REPLACED BY GALENA AND CASSITERITE. ORE OCCURS IN LENTICULAR SHOOTS.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUN-1991 Cardenas, Nestor Servicio Geologic de Bolivia
Updater 01-NOV-1993 Long, Keith R. U.S. Geological Survey

Beyond USGS

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