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  3. Mineral Resource Data System (MRDS)

Lueshe

Plant in Congo (Kinshasa) with commodities Niobium (Columbium), Phosphorus-Phosphates
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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. Mineral rights holdings
  11. Land status
  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 10280517
MAS/MILS ID 7660350002
Record type Site
Current site name Lueshe

Geographic coordinates

Point of reference Ore Body
Geographic coordinates: 29.11799, -0.98162 (WGS84)
Location accuracy 5000(meters)

Site location context

Political divisions (FIPS codes)

Congo (Kinshasa)(country)

Geographic areas

Country
Congo (Kinshasa)

Commodities

Commodity Importance
Niobium (Columbium) Critical Primary
Phosphorus-Phosphates Tertiary

Materials information

Materials Type of material
Aegirine Unknown
Apatite Unknown
Biotite Unknown
Calcite Unknown
Pyrochlore Unknown
Pyrrhotite Unknown

Nearby scientific data

Ore Body (1) 29.11799, -0.98162
ListMap

Economic information

Ore body information

  • Field Value
    MAS Matrix # 1
    MAS Column # 1
    Type of Orebody #1 OTHER
    Shape of Orebody #1 MASSIVE
    Primary mode of Origin CONT METASOMATIC
    Primary Ore Control CONTACT ZONE
    Degree of Wallrock Alter. UNKNOWN
    Type of Wallrock Alter. #1 CARBONITIZATION
    Date of Last Modification 910718

Comments on the geologic information

  • CARBONATITE CONTAINS AEGERINE, AMPHIBOLE, MICRODINE, ALBITE BIOTITE, APATITE, ZIRCON, PYRITE, PYRRHOTITE, MAGNETITE AND PYROCHLORE.
  • THE SCHISTS HAVE ALTERED TO KYANITE-CHLORITE. 3.2 X 2 KM OVAL CARBONATITE.

Economic information about the deposit and operations

Operation type Surface-Underground
Development status Plant
Commodity type Both
Significant Yes
Discovery year 1938
Plant type Beneficiation (Mill)
Plant subcategory Flotation
Milling method Flotation

Mineral rights holdings

Type of mineral rights Minerals Only

Land status

Ownership category Mixed

Ownership information

  • Type Owner-Operator
    Owner Somikivu (Zaire Government)
    Interest 100
    Home office Zaire
    Year 1991

Reserves and resources

  • Type In-situ
    Estimate year 1985
    Measured 3000000mt ore
    Demonstrated 3000000mt ore
    Total resources 3000000mt ore
    Commodity Subtype Grade units Group Importance Year
    Niobium (Columbium) Cb2O5 1.34 wt-pct Niobium (Columbium) Major 1985

Comments on the reserve resource information

  • HIGH GRADE INSITU RESOURCES AS ESTIMATED FOR THE 1983 PROPERTY EVALUATION AND THE ETD. TOTAL INSITU RESOURCES AS ESTIMATED FOR THE 1983 PROPERTY EVALUATION AND THE ETD. RECOVERABLE RESERVES AS USED ON THE 11-83 ETD.
  • RESOURCES IN RECOVERABLE MT

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
    Hardness of Ore HARD ROCKS
    Avg. Bench Height (meters) 10
    Capacity 200
    Capacity Units MT ORE/DAY
    Operating Days per Year 250
    Operating Shifts per Day 2
    Year of Information 1982
  • Type of workings Underground
    Length 3000M
    Field Value
    MAS Development Schedule # 1
    Mining Record # 1
    Status of Mining Method ESTIMATE
    Mining Method SUBLEVEL 10-43
    Percent Recovery 90
    Hardness of Rock UNKNOWN
    Rock Characteristics UNKNOWN
    Rock Support Chars. UNKNOWN
    1st Condition of Workings OPEN
    Capacity 400
    Capacity Units MT ORE/DAY
    Operating Days per Year 250
    Operating Shifts per Day 2
    Year of Information 1982

Reference information

Bibliographic references

  • Reserve-Resource

    MINING JOURNAL, "ZAIRE REAPS SOME REWARDS", VOL. 305, #7822,

  • Reserve-Resource

    LONDON, JULY 19, 1985, PAGE 39.

  • Reserve-Resource

    CARBONNEAU C., CARON, J.C., "THE PRODUCTION OF PYROCHLORE

  • Reserve-Resource

    CONCENTRATES AT ST. LAWRENCE COLUMBIUM AND METALS LTD.,"

  • Reserve-Resource

    C.I.M.M. BULLETIN, MARCH 1965.

  • Reserve-Resource

    PERRAULT G., MANKER E. A., "GEOLOGY AND MINERALOGY OF

  • Reserve-Resource

    NIOBIUM DEPOSITS," INTERNATIONAL SYMPOSIUM, 1981.

  • Reserve-Resource

    BRITISH SULPHUR, "WORLD SURVEY OF PHOSPHATE DEPOSITS", 5TH

  • Reserve-Resource

    EDITION, 1987, THE BRITISH SULPHUR CORP. LTD.

  • Deposit

    CANADIAN AMBASSY, "NOTES ON SOMINKI, 1979," CANADIAN AMBASSY

  • Deposit

    IN ZAIRE.

  • Deposit

    ELLIS, MILLER W., "THE MINERAL INDUSTRY OF ZAIRE," MINERAL

  • Deposit

    YEAR BOOK, 1980.

  • Deposit

    GITTINS, J., "SUMMARY AND BIBLIOGRAPHIES OF CARBONATITE

  • Deposit

    COMPLEXES."

  • Deposit

    HEINRICH, E.W., "THE GEOLOGY OF THE CARBONATITIES," RAND

  • Deposit

    MCNALLY & COMPANY, 1966.

  • Deposit

    MCGRAW HILL, "INTERNATIONAL MINERALS/METALS REVIEW ZAIRE,

  • Deposit

    1978," MCGRAW HILL.

  • Deposit

    MEYER A., BETHUNE P. DE, "LA CARBONATITE DE LUESHE (KIVU),"

  • Deposit

    BULLETIN #8, SERVICE GEOLOGIQUE, CONGO BELGE, DECEMBER

  • Deposit

    1958, P. 5.

  • Deposit

    MINING JOURNAL, "MINING ANNUAL REVIEW, ZAIRE 1979, 1980,

  • Deposit

    1982, 1983."

  • Deposit

    REPUBLIQUE DU ZAIRE, "INDUSTRIE MINIERE DE LA REPUBLIQUE DU

  • Deposit

    ZAIRE," DEPARTMENT DES MINES, RAPPORT ANNUEL, 1980.

  • Deposit

    REPUBLIQUE DU ZAIRE, "CONJONCTURE ECONOMIQUE," DEC., 1981.

  • Deposit

    ROSKILL INFORMATION SERVICES, "THE ECONOMICS OF NIOBIUM,"

  • Deposit

    THIRD ED., 1979, FOURTH ED., 1983.

  • Deposit

    SAFIANNIKOFF A., "GISEMENT DE PYROCHLORE DE LUESHE,"

  • Deposit

    ANNUAIRE DE LA SOCIETE GEOLOGIQUE DE BELGIQUE, T. 90,

  • Deposit

    1966-67, BULLETIN 4.

  • Deposit

    SOMINKI, "SOCIETE MINIERE ET INDUSTRIELLES DU KIVU," RAPPORT

  • Deposit

    ANNUEL, 1981.

  • Deposit

    VAN WAMKEKE L., "KALIPYROCHLORE, A NEW MINERAL OF THE PYRO-

  • Deposit

    CHLORE GROUP," AMERICAN MINERALOGIST, VOL. 63, 1978.

  • Deposit

    WHITE, L., "ZAIRE, TRANSPORT PROBLEMS...," ENGINEERING &

  • Deposit

    MINING JOURNAL, NOVEMBER 1979.

General comments

Subject category Comment text
Deposit IN 1980 THE CONSTRUCTION OF A 1.5 TO 2.0 MT/HOUR PILOT PLANT MILL WAS BEGAN; TOTAL COST ESTIMATED AT $2.0M. THE PLANT WAS REPORTED TO BE ON LINE IN 1985.

Reporter information

Type Date Name Affiliation Comment
Reporter 14-JUN-96 Buckingham, David A. 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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