Candelaria Mine

Producer in Potosi, Bolivia with commodities Antimony, Gold, Lead
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. Links to other databases
  19. Bibliographic references
  20. General comments
  21. Reporter information

Geologic information

Identification information

Deposit ID 10006306
MRDS ID BL20299
Record type Site
Current site name Candelaria Mine

Geographic coordinates

Geographic coordinates: -66.10778, -21.54894 (WGS84)
Elevation 4000
Relative position 20 KM N35E OF ESMORACA.

Site location context

Political divisions (FIPS codes)

Potosi(province)

Bolivia(country)

South America(continent)

Land(continent)

Geographic areas

Country State
Bolivia Potosi
Bolivia Potosi

Commodities

Commodity Importance
Antimony Critical Primary
Gold Primary
Lead Tertiary

Materials information

Materials Type of material
Boulangerite Ore
Gold Ore
Jamesonite Ore
Stibnite Ore
Pyrite Gangue
Quartz Gangue
Siderite Gangue

Alteration

  • (Local) Sericitization

Host and associated rocks

  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Dacite
    Rock unit name Esmoraca Stock
    Rock description Esmoraca Stock
    Stratigraphic age (youngest) Late Ordovician
    Stratigraphic age (youngest) Miocene
    Stratigraphic age (youngest) Miocene
  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock > Slate
  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock > Quartzite

Nearby scientific data

(1) -66.10778, -21.54894

Economic information

Geologic structures

Type of structure Regional
Structure description On N-S Anticline.

Ore body information

  • General form TABULAR
    Strike N 20-25 W
    Dip 70 SW
    Length 2000M
    Width 0.07M

Controls for ore emplacement

  • N-S Anticline, Inverse Faults; May Be Distal Mineralization Related To The Esmoraca Dacite Intrusive 20 Km To South.

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1850

Mining district

District name Potosi

Ownership information

  • Type Owner-Operator
    Owner Empresa Minera San Juan Limitada

Production statistics

  • Year 1988
    Accuracy Accurate
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major CONC Antimony Antimony 63wt-pct
  • Year 1989
    Accuracy Accurate
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major CONC Antimony Antimony 62wt-pct
  • Year 1990
    Accuracy Accurate
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major CONC Antimony Antimony 62wt-pct

Reserves and resources

  • Type In-situ
    Estimate year 1972
    Total resources 4228000mt ore
    Commodity Subtype Grade units Group Importance Year
    Antimony Sb 9.2 wt-pct Antimony Major 1972
  • Type In-situ
    Estimate year 1972
    Total resources 3123000mt ore
    Commodity Subtype Grade units Group Importance Year
    Antimony Sb 4.5 wt-pct Antimony Major 1972
  • Type In-situ
    Estimate year 1982
    Total resources 608100000mt ore
    Commodity Subtype Grade units Group Importance Year
    Antimony Sb 4.73 wt-pct Antimony Major 1982
    Gold Au 0.22 g/mt Gold Major 1982

Comments on the reserve resource information

  • (1) PROBABLE AND POSSIBLE RESERVE; (2) MEDIUM GRADE ORE OUTSIDE RESERVE GIVEN IN ITEM 1.

Comments on the workings information

  • MINE DEVELOPED IN THREE SECTIONS BY ADITS, STOPES, TUNNELS, CROSSCUTS, AND SHAFTS WHICH MAY CORRESPOND TO ORE SHOOTS: COPACABANA, LITORAL, MARZO.

Comments on development

  • ECON.COM: CUT AND FILL MINING, FLOATATION MILL.

Reference information

Bibliographic references

  • Deposit

    VARGAS, A.W., AND BALLIVIAN S., M., 1971, CANDELARIA MINE: GEOBOL TECHNICAL ASSISTANCE REPORT GE-G2/451.

  • Deposit

    BROWN & ROOT, INC., 1983, COMPANY REPORT.

  • Deposit

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

  • Other Database

    CIMRI

  • Production

    GUSTAVSON ASSOC. (1992)

General comments

Subject category Comment text
Deposit SEVERAL VEINS, EACH UP TO 100 M LONG.
Deposit DUPLICATE RECORD BL30197 HAS BEEN DELETED.
Deposit Discovery Year: 1800'S

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JAN-1991 Calderon, Raul Servicio Geologic de Bolivia
Updater 01-NOV-1993 Long, Keith R. U.S. Geological Survey
Updater 01-JAN-1994 Blacutt, William U.S. Geological Survey

Beyond USGS

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