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Inca San Antonio Mine

Past Producer in La Paz, Bolivia with commodities Tungsten, Antimony, Copper
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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. Economic information about the deposit and operations
  13. Ownership information
  14. Production statistics
  15. Workings at the site
  16. Links to other databases
  17. Bibliographic references
  18. General comments
  19. Reporter information

Geologic information

Identification information

Deposit ID 10006274
MRDS ID BL20255
Record type Site
Current site name Inca San Antonio Mine

Geographic coordinates

Geographic coordinates: -67.09948, -17.49766 (WGS84)
Elevation 4000
Relative position 12 KM S10E OF COLQUIRI

Site location context

Political divisions (FIPS codes)

La Paz(province)

Bolivia(country)

South America(continent)

Land(continent)

Geographic areas

Country State
Bolivia La Paz
Bolivia La Paz

Commodities

Commodity Importance
Tungsten Critical Primary
Antimony Critical Secondary
Copper Tertiary

Materials information

Materials Type of material
Chalcopyrite Ore
Stibnite Ore
Wolframite Ore
Pyrite Gangue
Quartz Gangue
Siderite Gangue

Alteration

  • (Local) Kaolinization

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock > Quartzite
    Rock unit name Cancaniri;Llallagua;Uncia
    Rock description Cancaniri;Llallagua;Uncia
    Stratigraphic age (youngest) Late Silurian
  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Shale
  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Siltstone

Nearby scientific data

(1) -67.09948, -17.49766
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description On The Axis And West Flank Of Calacalani Anticline

Ore body information

  • General form PINCH AND SWELL
    Strike N 70-75 E
    Dip 75 SE
    Length 200M

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No

Ownership information

  • Type Owner
    Owner Jose Fermin - Jose Viladegur

Production statistics

  • Year 1975
    Accuracy Estimate
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major WO3 Conc. Tungsten Tungsten 66wt-pct
  • Year 1975
    Accuracy Estimate
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Minor CONC Antimony Antimony 68wt-pct

Workings at the site

  • Type of workings Underground
    Length 500M

Comments on the workings information

  • ADIT TUNNEL 500 M LONG DRIVEN TO CUT AN ORE SHOOT STOPED TO SURFACE (100 M DEEP AND 50 M LONG.

Comments on development

  • VEINS HAVE NOT BEEN EXPLORED AT DEPTH

Reference information

Comments on the other database information

  • BL20255 AND BL20165 ARE NOT DUPLICATES, KEITH LONG, MARCH 94.

Bibliographic references

  • Deposit

    VEDIA, J., AND CAMACHO, E., 1976, GEOBOL - INVENTARIACION DE LA MINERIA CHICA

  • 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 MAIN VEIN IS 200 M LONG AND AVERAGES 2 M WIDE. OTHER VEINS ARE 50 TO 150 M LONG AND 0.02 TO 2 M WIDE. MORE THAN 10 WOLFRAMITE VEINS AND NUMEROUS WOLFRAMITE VEINLETS OCCUR IN THE SOUTHERN PART OF THE PROPERTY.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-OCT-1993 Long, Keith R. U.S. Geological Survey

Beyond USGS

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

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