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  3. Mineral Resource Data System (MRDS)

Los Pijiguaos

Producer in Bolivar, Venezuela with commodity Aluminum
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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. Nearby scientific data
  8. Ore body information
  9. Economic information about the deposit and operations
  10. Mining district
  11. Mineral rights holdings
  12. Land status
  13. Ownership information
  14. Production statistics
  15. Reserves and resources
  16. Workings at the site
  17. Links to other databases
  18. Bibliographic references
  19. Reporter information

Geologic information

Identification information

Deposit ID 10263830
MAS/MILS ID 3070130013
Record type Site
Current site name Los Pijiguaos

Geographic coordinates

Point of reference Ore Body
Geographic coordinates: -66.72809, 6.49295 (WGS84)
Elevation 650
Location accuracy 1000(meters)

Site location context

Political divisions (FIPS codes)

Bolivar(province)

Venezuela(country)

South America(continent)

Land(continent)

Geographic areas

Country State
Venezuela Bolivar

Commodities

Commodity Importance
Aluminum Critical Primary

Materials information

Materials Type of material
Boehmite Unknown
Gibbsite Unknown

Nearby scientific data

Ore Body (1) -66.72809, 6.49295
ListMap

Economic information

Ore body information

  • Thickness 8M
    Length 11000M
    Width 6000M
    Depth to top 0.5M
    Field Value
    MAS Matrix # 1
    MAS Column # 3
    Type of Orebody #1 LATERITE
    Shape of Orebody #1 TABULAR
    Type of Orebody #2 REPLACEMENT
    Shape of Orebody #2 LENTICULAR
    Shape of Orebody #3 IRREGULAR
    Primary mode of Origin RESIDUAL CONCENT
    Secondary mode of Origin OXIDATION
    Primary Ore Control LITHOLOGY
    Secondary Ore Control OTHER
    Degree of Wallrock Alter. NONE
    Type of Wallrock Alter. #1 UNKNOWN
    Minimum Depth to Top 0
    Avg. Thick. Unconsol. Mat. .5
    Min. Thick. Unconsol. Mat. 0
    Date of Last Modification 900717
  • Area 660HA
    Field Value
    Total Surface Area (HA) 660
    Date of Last Modification 910418

Economic information about the deposit and operations

Operation type Surface
Development status Producer
Commodity type Metallic
Significant Yes
Discovery year 1976
Year of first production 1987

Mining district

District name Bolivar Iron Quadrilateral

Mineral rights holdings

Type of mineral rights State Lease
Type of mineral rights Minerals Only

Land status

Ownership category State

Ownership information

  • Type Owner-Operator
    Owner Bauxiven; Subisd. Of Cvg; (Venezuelan Government)
    Interest 100
    Home office Venezuela
    Year 1987

Comments on the ownership information

  • BAUXIVEN WAS FROMED BY THE VENEZULAN GOVERNMENT TO DEVELOPE, AND OPERATE THE LOS PIJIGUAOS MINE, UNDER THE NAME OF CORPORACION VENEZOLANA DE GUYANA (CVG). A SERVICE CONTRACT IS HELD BY ALUSUISSE.

Production statistics

  • Year 1987
    Description Start Of Production-1987 140 Mtpy
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Aluminum Aluminum 140mt
  • Year 1988
    Description Bauxite Ore -1988 600 Mtpy
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Aluminum Aluminum 600mt
  • Year 1989
    Description Bauxite Ore -1989 1000 Mtpy
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Aluminum Aluminum 1000mt
  • Year 1990
    Description Bauxite Ore -1990-1992 3000 Mtpy
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Aluminum Aluminum 3000mt
  • Year 1993
    Description Bauxite Ore -1993-1994 4500 Mtpy
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Aluminum Aluminum 4500mt
  • Year 1995
    Description Bauxite Ore -1995-2018 6000 Mtpy
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Aluminum Aluminum 6000mt

Reserves and resources

  • Type In-situ
    Estimate year 1990
    Measured 200000000mt ore
    Demonstrated 200000000mt ore
    Total resources 200000000mt ore
    Commodity Subtype Grade units Group Importance Year
    Aluminum Al2O3 49.5 wt-pct Aluminum Major 1990
  • Type In-situ
    Estimate year 1987
    Measured 177000000mt ore
    Demonstrated 177000000mt ore
    Total resources 177000000mt ore
    Commodity Subtype Grade units Group Importance Year
    Aluminum Al2O3 49.5 wt-pct Aluminum Major 1987
  • Type In-situ
    Estimate year 1987
    Measured 168000000mt ore
    Demonstrated 168000000mt ore
    Total resources 168000000mt ore
    Commodity Subtype Grade units Group Importance Year
    Aluminum Al2O3 49.5 wt-pct Aluminum Major 1987

Comments on the reserve resource information

  • GOLDER ASSOCIATES RESERVE/RESOURCES DATA ESTIMATES ARE GIVEN IN Q-MATRIX 1 AND 9 IN COLUMNS 1 THROUGH 3. RESERVE/RESOURECS DATA ESTIMATES FOR THE 1987 UPDATE STUDY ARE GIVEN IN Q-MATRIX 1 AND 9 COLUMNS 5 AND 6. SEE BIBLIOGRAPHY FOR REFERENCES.
  • OTHER NAME: GUYANA REGION.FORMERLY SIERRA LOS PIJIGUAOS. CAPACITY EXPANSION IS IN PROGRESS. FACILITY IS SUPPOSED TO REACH A CAPACITY OF 6000000 MTPY BY 1995-6.

Workings at the site

  • Type of workings Surface
    Field Value
    MAS Development Schedule # 1
    Mining Record # 1
    Status of Mining Method ESTIMATE
    Mining Method OPEN PIT
    Percent Waste Rock 1
    Avg. Overburden Thickness .5
    Primary Material Cover SAND, SILT
    Hardness of Ore SAND, GRAVEL
    Capacity 16667
    Capacity Units MT ORE/DAY
    Operating Days per Year 360
    Operating Shifts per Day 3
    Year of Information 1987

Comments on other economic factors

  • MILL WILL CRUSH ORE AT MINE SITE. ORE WILL THEN BE SENT TO THE INTERALUMINA REFINERY IN CIUDAD GUYANA- OPERATION WAS TO BEGIN IN 1982.

Reference information

Bibliographic references

  • Reserve-Resource

    LAML, AUGUST 15, 1988 P7.

  • Reserve-Resource

    MINING MAGAZINE, DEC. 1986, P543, "PANORAMA".

  • Reserve-Resource

    MBM ALUMINIUM SUPPLEMENT, JAN. 1988, P11,13,15, "VENEZUELA

  • Reserve-Resource

    HEADS FOR ALUMINIUM INDUSTRY INTEGRATION".

  • Reserve-Resource

    MINING JOURNAL, LONDON, VOL 311,#7993, NOV. 4, 1988, P354.

  • Reserve-Resource

    "VENEZUELAN VIEW".

  • Reserve-Resource

    INTERNATIONAL MINING, "LATIN AMERICA" AUG. 1987, P166.

  • Reserve-Resource

    MINING MAGAZINE, "SOUTH AMERICA" "VENEZUELAN BAUXITE"

  • Reserve-Resource

    JULY 1987, P15.

  • Reserve-Resource

    AMERICAN METAL MARKET, "VENEZUELA BAUXITE PROJECT

  • Reserve-Resource

    PROGRESSING", MAY 1 1986, P4,10.

  • Deposit

    VENEZUELAN ALUMINUM, MINING MAGAZINE, SEPTEMBER, 1977, P.433

  • Deposit

    OCTOBER, 1977, P. 557-558.

  • Deposit

    VENEZUELA, ALUSUISSE WILL MINE BAUXITE AND BUILD ALUMINA

  • Deposit

    PLANT, E/MJ, JANUARY 1978, P. 30, 41.

  • Deposit

    BESOZZI, L.M., ECONOMIC EVALUATION OF LOS PIJIGUAOS, A BAUX-

  • Deposit

    ITE DEPOSIT IN VENEZUELA, SOUTH AFRICA, T-2139, COLORADO

  • Deposit

    SCHOOL OF MINES, GOLDEN, DEC., 1978.

  • Deposit

    COPORACION VENEZUELA DE GUAYANA, FEASIBILITY STUDY ON THE

  • Deposit

    BAUXITE DEPOSITS OL LOS PIJIGUAS, MILESTONE REPORT NO. 1

  • Deposit

    APRIL, 1978.

  • Deposit

    FEASIBILITY STUDY OF THE BAUXITE DEPOSIT OF LOS PIJIGUAOS

  • Deposit

    PROGRESS REPORT NO. 1, JUNE, 1978.

  • Deposit

    FEASIBILITY STUDY ON THE BAUXITE DEPOSIT OF LOS PIJIGUAOS

  • Deposit

    PRELIMINARY LABORATORY EVALUATION OF PROSPECTING SAM-

  • Deposit

    PLES OF PIJIGUAOS BAUXITE, APRIL, 1978.

  • Deposit

    FEASIBILITY STUDY OF ALUMINA PLANT PROJECT IN CIUDAD

  • Deposit

    GUAYANA ONE MILLION TONNES, JULY, 1976.

  • Deposit

    PROJECTO DE DESARROLLO MINERO DE BAUXITA DE LOS PIJIGUAOS

  • Deposit

    OCT., 1980

  • Deposit

    FEASIBILITY STUDY OF THE BAUXITE DEPOSITS OF LOS PIJIGUA-

  • Deposit

    OS, MAY, 1979.

  • Deposit

    ENGINEERING AND MINING JOURNAL, FINANCE PROBLEMS SLOW VENE-

  • Deposit

    ZUELA'S INTEGRATED ALUMINUM PLAN, DEC., 1980,

  • Deposit

    PP. 57-59.

  • Deposit

    PETRICK, A., THE ECONOMICS OF MINERALS AND ENERGY PROJECTS,

  • Deposit

    PETRICK ASSOCIATES, VOL. I, 1980, P. 28 (PIJIGUAOS).

  • Deposit

    VENEZUELA: A BOOMING MINING SCENE, E/MJ, NOV. 1977, P. 63-68

  • Deposit

    MAP P. 53.

  • Deposit

    GEOLOGY OF THE LOS PIJIGUAOS DEPOSITS, VENEZUELA, CH. 17,

  • Deposit

    BAUXITE SYMPOSIUM, SOCIETY OF MINING ENGINEERS OF AIME

  • Deposit

    1986.

Reporter information

Type Date Name Affiliation Comment
Reporter 26-SEP-96 Wilburn, David R. U.S. Bureau of Mines

Beyond USGS

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

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