Avicaya - Antequera - Totoral Mines

Producer in Oruro, Bolivia with commodities Tin, Tungsten, Copper, 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. 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 10068809
MRDS ID W002065
Record type Site
Current site name Avicaya - Antequera - Totoral Mines

Geographic coordinates

Geographic coordinates: -66.84114, -18.47263 (WGS84)
Elevation 4760
Relative position 10 KM NW OF RR STATION OF PAZNA, AND 70 KM SSE OF ORURO. LOCATED ON CERRO CHUALLA.

Site location context

Political divisions (FIPS codes)

Oruro(province)

Bolivia(country)

South America(continent)

Land(continent)

Federal lands

Federal(land status)

Geographic areas

Country State
Bolivia Oruro

Comments on the location information

  • COORDINATES ARE APPROX CENTER OF RESERVE WHICH IS 225 SQ KM, ACCESS IS OVER GOOD ROADS
  • DEPOSITS FORM BELT 5 KM X 2 KM ALONG N 40 E BELT

Commodities

Commodity Importance
Tin Critical Primary
Tungsten Critical Primary
Copper Tertiary
Zinc Critical Tertiary

Comments on the commodity information

  • RESERVE AREA INCLUDES OLD PB, ZN, MINING ASSOCIATED WITH BARITE VEINS.

Materials information

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

Alteration

  • (Local) Tourmalinization

Mineral occurrence model information

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

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Monzonite
  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Sandstone

Nearby scientific data

(1) -66.84114, -18.47263

Economic information

Ore body information

  • General form IRREGULAR
    Strike N 40 E
    Dip STEEP
    Length 500M
    Width 1.5M
    Depth to bottom 500M

Controls for ore emplacement

  • Five Veins, With Disseminations Into Wallrocks.

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Deposit size Medium
Significant No
Discovery year 1894
Year of first production 1894

Mining district

District name Avicaya - Antequera - Totoral District

Land status

Ownership category Federal

Ownership information

  • Type Operator
    Owner Totoral - Cia Minera De Totoral Avicaya - W. R. Grace Co.

Comments on the production information

  • ESTIMATED ANNUAL PRODUCTION OF 3000 T CU.

Comments on the reserve resource information

  • FINE CU 173,250 T; SULFIDE RESERVES ARE INDICATED, OXIDE ARE PROVEN AS CLAIMED BY ARC
  • (1) POSITIVE TIN METAL RESERVES AND (2) PROBABLE TIN METAL RESERVES FOR AVICAYA: (3) POSITIVE RESERVES AND (4) PROBABLE RESERVES FOR CIA MINERA TOTORAL

Workings at the site

  • Type of workings Underground
    Overall depth 500M

Comments on the workings information

  • FIGURES ARE FOR MINERALIZED AREA

Comments on development

  • UN PROJECT INCLUDED GEOCHEMICAL PROSPECTING, GEOPHYSICAL INDUCED POLARIZATION (IP) AND RESISTIVITY SURVEYS, 5 DRILL HOLES TOTALLING 1475 FT. ; TOTAL$: 8.5 ; ECON.COM: CATEGORIZED IN UNDP, 1970, REF. IN GROUP A, "MOST PROMISING AREA FROM AN ECONOMIC POINT OF VIEW". 50 TO 60 % RECOVERY

Reference information

Bibliographic references

  • Deposit

    AHLFELD, F., AND SCHNEIDER-SCHERBINA, A., 1964, LOS YACIMIENTOS MINERALES Y DE HIDROCARBUROS: DEPTO NAC. GEOLOGIA, BOL. 5 (ESPECIAL), PP. 161-164

  • Production

    MINISTRY OF MINES AND METALLURGY, 1970

General comments

Subject category Comment text
Deposit VEINS: CACIQUE, AMELIA, TEMIS, BELEN, CARMELA. TWO FRACTURE SYSTEMS.
Deposit AREA WAS "RESERVED" IN UN STUDY BECAUSE OF HYDROTHERMAL ALTERATION, DISSEMINATED MINERALIZATION, LEACHING, SECONDARY ENRICHMENT AND METAL ZONING AND THE VEIN-TYPE DEPOSITS OF THE OLD MINING DISTRICT ; INFO.SRC : 1 PUB LIT
Deposit FIVE SYSTEMS OF VEINS THAT ARE MINERALOGICALLY ZONED: ALPEO, CARMEN, SAN FRANCISCO, VINA, EXALTACION.
Deposit Discovery Year: WORK DONE IN AREA, 1966-1967

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAY-1973 Irving, Earl M. U.S. Geological Survey

Beyond USGS

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