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  3. Mineral Resource Data System (MRDS)

Pallo Thies

Producer in Senegal with commodity 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. Ownership information
  12. Production statistics
  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 10158672
MAS/MILS ID 7440350001
Record type Site
Current site name Pallo Thies
Alternate or previous names Lam Lam

Geographic coordinates

Point of reference Ore Body
Geographic coordinates: -17.0819, 14.80061 (WGS84)
Elevation 75
Location accuracy 1000(meters)

Site location context

Political divisions (FIPS codes)

Senegal(country)

Geographic areas

Country
Senegal

Commodities

Commodity Importance
Phosphorus-Phosphates Primary

Materials information

Materials Type of material
Wavellite Unknown

Nearby scientific data

Ore Body (1) -17.0819, 14.80061
ListMap

Economic information

Ore body information

  • Thickness 17M
    Area 49000HA
    Depth to top 3M
    Field Value
    Type of Orebody #1 SEDIMENTARY
    Shape of Orebody #1 TABULAR
    Primary mode of Origin SEDIMENTATION
    Secondary mode of Origin RESIDUAL CONCENT
    Primary Ore Control BEDDING
    Degree of Wallrock Alter. UNKNOWN
    Avg. Thick. Unconsol. Mat. 3
    Total Surface Area (HA) 49000
    Date of Last Modification 830526

Comments on the geologic information

  • IN SITU ORE DENSITY 1.5 TONS/CUBIC METER (ASSUMED)

Economic information about the deposit and operations

Operation type Surface
Development status Producer
Commodity type Non-metallic
Significant Yes
Mining method Strip-Level
Year of first production 1953
Milling method Sizing

Mineral rights holdings

Type of mineral rights Unknown

Ownership information

  • Type Operator
    Owner Societe Senegalaise Des Phosphates De Thies
    Year 1985
  • Type Owner
    Owner Senegalese Government
    Interest 50
    Home office Senegal
    Year 1985
  • Type Owner
    Owner Rhone-Poulenc Of France
    Interest 50
    Home office France
    Year 1985

Production statistics

  • Year 1980
    Description Mining 26.7% P2o5 324000 Metric Tons Ore/Year
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major P2O5 Ore Phosphorus-Phosphates Phosphorus 324000mt 27wt-pct
  • Year 1982
    Description Tri-Calc. Phos. 62000 Metric Tons Ore/Year
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Phosphorus-Phosphates Phosphorus 62000mt
  • Year 1982
    Description Alum. Phos. & Calc/Alum Phos. 125000 Metric Tons Ore/Year
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major P2O5 Ore Phosphorus-Phosphates Phosphorus 125000mt
  • Year 1982
    Description 279000 Metric Tons Ore/Year
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major P2O5 Ore Phosphorus-Phosphates Phosphorus 279000mt
  • Year 1987
    Description 427830 Metric Tons Ore/Year
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Phosphorus-Phosphates Phosphorus 427830mt
  • Year 1988
    Description 371600 Metric Tons Ore/Year
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Phosphorus-Phosphates Phosphorus 371600mt
  • Year 1989
    Description 390000 Metric Tons Ore/Year
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Phosphorus-Phosphates Phosphorus 390000mt

Comments on the production information

  • 70% OF THE ORE IS CRUSHED/SCREENED AND SHIPPED TO DAKAR FOR EXPORT TO EUROPE, WHERE IT IS USED TO MAKE FUSED PHOSPHATE FERTILIZERS. THE REMAINING 30% IS CALCINATED AT LAM-LAM FOR SHIPMENT (EXPORT).

Reserves and resources

  • Type In-situ
    Estimate year 1981
    Measured 50000000mt ore
    Indicated 50000000mt ore
    Demonstrated 100000000mt ore
    Total resources 100000000mt ore
    Commodity Subtype Grade units Group Importance Year
    Phosphorus-Phosphates P2O5 26.7 wt-pct Phosphorus Major 1981

Comments on the reserve resource information

  • MINING RECOVERY IS 80%

Workings at the site

  • Type of workings Surface
    Area 32000HA
    Field Value
    MAS Development Schedule # 1
    Mining Record # 1
    Status of Mining Method PROPOSED
    Mining Method STRIP-LEVEL
    Avg. Overburden Thickness 3
    Primary Material Cover SAND, SILT
    Hardness of Ore HARD ROCKS
    Capacity 2562
    Capacity Units MT ORE/DAY
    Operating Days per Year 281
    Operating Shifts per Day 3
    Year of Information 1985

Reference information

Bibliographic references

  • Production

    INTERNATIONAL MINING, AUGUST 1990, P. 80, 65.

  • Production

    MINING ANNUAL REVIEW 1984, P409.

  • Reserve-Resource

    BRITISH SULPHUR CORPORATION. WORLD SURVEY OF PHOSPHATE

  • Reserve-Resource

    DEPOSITS, 1980.

  • Deposit

    AMERICAN EMBASSY DAKAR, MINERALS: THE PHOSPHATE MINING

  • Deposit

    INDUSTRY OF SENEGAL, MARCH 7, 1966.

  • Deposit

    ANONYMOUS, SENEGAL, MINING ANNUAL REVIEW, 1980.

  • Deposit

    ANONYMOUS, SENEGAL, WORLD MINING DIRECTORY, NO. 1979.

  • Deposit

    CAPE, J.J., WORLD PHOSPHATE STUDY DEPOSIT EVALUATION,

  • Deposit

    SENEGAL, DECEMBER 1980.

  • Deposit

    INTERNATIONAL URANIUM RESOURCES EVALUATION (IUREP), NO. 16,

  • Deposit

    SENEGAL, AIEA, VIENNA, 1980.

  • Deposit

    LOUIS, P.L., PHOSPHATE ROCK PRODUCTION IN ALGERIA, SENEGAL

  • Deposit

    AND TOGO: PRESENT SITUATION AND PROSPECTS, DECEMBER

  • Deposit

    1979, PP. 20-24.

  • Deposit

    MINERAL TRADE NOTES, V. 73, NO. 4, P. 7.

  • Deposit

    UNITED STATES DEPARTMENT OF STATE, SENEGAL BACKGROUND NOTES,

  • Deposit

    MAY 1979.

  • Deposit

    PHOSPHOROUS & POTASIIUM, "INDUSTRIES CHIMIQUES DU SENEGAL",

  • Deposit

    NO. 134, NOVEMBER/DECEMBER 1984, PP.38-41.

  • Deposit

    MINING ANNUAL REVEIW, 1987, P.427.

General comments

Subject category Comment text
Deposit THICKNESS OF ORE ZONE RANGES FROM 3 TO 30 METERS AREA OF MINERALIZATION 49000 HECTARES

Reporter information

Type Date Name Affiliation Comment
Reporter 25-FEB-1991 Fantel, Richard J. 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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