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La Porfia Mine

Past Producer in Potosi, Bolivia with commodities 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. Host and associated rocks
  8. Nearby scientific data
  9. Geologic structures
  10. Ore body information
  11. Economic information about the deposit and operations
  12. Ownership information
  13. Reserves and resources
  14. Workings at the site
  15. Links to other databases
  16. Bibliographic references
  17. General comments
  18. Reporter information

Geologic information

Identification information

Deposit ID 10006339
MRDS ID BL20338
Record type Site
Current site name La Porfia Mine

Geographic coordinates

Geographic coordinates: -66.41613, -18.59763 (WGS84)
Elevation 3650
Relative position 10 KM S35E OF CALA CALA

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
Copper Secondary

Materials information

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

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock > Quartzite
    Stratigraphic age (youngest) Late Ordovician
  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Shale
  • Host or associated Host
    Rock type Unconsolidated Deposit > Till

Nearby scientific data

(1) -66.41613, -18.59763
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description In The Nucleus Of The Jankolaime Anticline

Ore body information

  • General form PINCH AND SWELL
    Strike N 25-30 N
    Dip 50-80 SW
    Length 1200M

Comments on the geologic information

  • ANDESITE DIKES UP TO 1 M WIDE AND OVER 200 M LONG NEARBY.

Economic information about the deposit and operations

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

Ownership information

  • Type Owner
    Owner Empresa Minera Velasco Y Rio Limitada

Reserves and resources

  • Type In-situ
    Estimate year 1980
    Total resources 9531000mt ore
    Commodity Subtype Grade units Group Importance Year
    Antimony Sb 28 wt-pct Antimony Major 1980
  • Type In-situ
    Estimate year 1980
    Total resources 91957000mt ore
    Commodity Subtype Grade units Group Importance Year
    Antimony Sb 5 wt-pct Antimony Major 1980

Comments on the reserve resource information

  • (1) PROBABLE IN HIGH-GRADE SHOOT; (2) GEOLOGIC

Workings at the site

  • Type of workings Underground
    Length 3000M

Comments on the workings information

  • 1500 M OF CROSS CUTS AND 1500 M OF DRIFTS IN TWO SECTORS

Comments on development

  • ECON.COM: SMALL FLOATATION MILL

Reference information

Bibliographic references

  • Deposit

    FONEM, 1980, INFORME ETAPA "A" MINA PORFIA PROYECTO 86/78: CENTRO DE DOCUMENTACION, FONDO NACIONAL DE EXPLORACION MINERA.

  • Deposit

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

  • Other Database

    CIMRI

General comments

Subject category Comment text
Deposit TWO MAIN VEINS, 1200 M LONG, 0.1 TO 0.6 (AVERAGE 0.4) M WIDE.

Reporter information

Type Date Name Affiliation Comment
Reporter 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.

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