1. Mineral Resources
  2. Online Spatial Data
  3. Mineral Resource Data System (MRDS)

Sehib Sector 10

Producer in Tunisia 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. Nearby scientific data
  7. Ore body information
  8. Economic information about the deposit and operations
  9. Mining district
  10. Mineral rights holdings
  11. Land status
  12. Ownership information
  13. Production statistics
  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 10257199
MAS/MILS ID 7230300007
Record type Site
Current site name Sehib Sector 10
Alternate or previous names Sehib, Djellabia, Sector 100

Geographic coordinates

Point of reference Ore Body
Geographic coordinates: 8.20173, 34.24924 (WGS84)
Elevation 300
Location accuracy 1000(meters)

Site location context

Political divisions (FIPS codes)

Tunisia(country)

Geographic areas

Country
Tunisia

Commodities

Commodity Importance
Phosphorus-Phosphates Primary

Nearby scientific data

Ore Body (1) 8.20173, 34.24924
ListMap

Economic information

Ore body information

  • Strike N90E
    Dip 10N
    Thickness 2M
    Area 7000HA
    Depth to top 200M
    Field Value
    Type of Orebody #1 SEDIMENTARY
    Shape of Orebody #1 TABULAR
    Primary mode of Origin SEDIMENTATION
    Primary Ore Control BEDDING
    Degree of Wallrock Alter. UNKNOWN
    Type of Wallrock Alter. #1 UNKNOWN
    Strike And Dip N90E:10N
    Minimum Depth to Top 0
    Total Surface Area (HA) 7000
    Date of Last Modification 830427

Comments on the geologic information

  • THE METLAOUI FM REGIONALLY HAS 8 MINEABLE PHOSPHATE UNITS INTERBEDDED WITH LIMESTONE AND MARL. AT THIS MINE TWO UNITS ARE OF MINEABLE THICKNESS. ALLUVIAL SANDS AND CLAYS HAVE VARIABLE THICKNESS (0-20M) CAPROCK LIMESTONE OF VARIABLE THICKNESS (10-40M)
  • MINERAL NAME = FLUORAPATITE

Economic information about the deposit and operations

Operation type Underground
Development status Producer
Commodity type Non-metallic
Significant Yes
Discovery year 1899
Mining method Caving Methods - Longwall Caving
Year of first production 1971
Milling method Washing

Mining district

District name Gafsa Basin

Mineral rights holdings

Type of mineral rights Unknown

Land status

Ownership category Unknown

Ownership information

  • Type Owner-Operator
    Owner Cie Des Phosphates De Gafsa (Government)
    Interest 100
    Home office Tunisia
    Year 1985

Production statistics

  • Year 1978
    Description 204000 Mt Ore/Yr
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Phosphorus-Phosphates Phosphorus 204000mt
  • Year 1979
    Description 450000 Mtpy
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Phosphorus-Phosphates Phosphorus 450000mt
  • Year 1980
    Description 1350000 Mtpy
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Phosphorus-Phosphates Phosphorus 1350000mt

Comments on the production information

  • MINING STARTED AT OUTCROP AND PROCEEDED TO MOVE UNDERGROUND

Workings at the site

  • Type of workings Underground
    Length 4840M
    Overall depth 200M
    Field Value
    MAS Development Schedule # 1
    Mining Record # 1
    Status of Mining Method ESTIMATE
    Mining Method LONGWALL CAVING 10-108
    Percent Waste Rock 33
    Percent Recovery 80
    Hardness of Rock SOFT NONPLASTIC WITH LITTLE WATER
    Rock Characteristics NO PLANES OF WEAKNESS
    Rock Support Chars. UNKNOWN
    Mine Support Chars. TIMBER
    Number of Shafts 2
    Slope of Inclines 10
    Number of Inclines 6
    1st Condition of Workings UNKNOWN
    Capacity 6364
    Capacity Units MT ORE/DAY
    Operating Days per Year 330
    Operating Shifts per Day 3
    Year of Information 1985

Reference information

Bibliographic references

  • Deposit

    AMERICAN EMBASSY TUNISIA, INDUSTRIAL OUTLOOK REPORT, 6/9/80.

  • Deposit

    BOYCE, R.L., THE TUNISIAN PHOSPHATE INDUSTRY: TRIP REPORT

  • Deposit

    MARCH 21, 1980

  • Deposit

    BRITISH SULPHUR CORP. LTD., WORLD SURVEY OF PHOSPHATE

  • Deposit

    DEPOSITS, FOURTH EDITION, 1980

  • Deposit

    CAPE, J.J., DEPOSIT EVALUATION, 1981

  • Deposit

    COMPANIE DES PHOSPHATES DE GAFSA, FIVE YEAR PLAN, TABLES FOR

  • Deposit

    YEARS 1978 THROUGH 1984

  • Deposit

    DEVOTO, R.H., AND D.N. STEVENS, URANIFEROUS PHOSPHATE

  • Deposit

    DEPOSITS AND TECHNOLOGY AND ECONOMICS OF URANIUM RECOVERY

  • Deposit

    FROM PHOSPHATE RESOURCES, UNITED STATES AND FREE WORLD,

  • Deposit

    VOL. 1, JUNE 1979

  • Deposit

    INTERNATIONAL GEOLOGICAL CONGRESS, 14TH, LES RESERVES

  • Deposit

    MONDIALES EN PHOSPHATES, 2 VOLUMES, 1926

  • Deposit

    KHAMMOUMA, S., LETTER TO W.F. STOWASSER, JULY 16, 1979

  • Deposit

    SHELDRICK, W.F. AND HARALD STIER, WORLD PHOSPHATE SURVEY

  • Deposit

    BACKGROUND PAPERS, SEPT. 1979. (RESTRICTED CIRCULATION.

  • Deposit

    USE ONLY WITH PERMISSION.)

  • Deposit

    SRI INTERNATIONAL, CHEMICAL ECONOMICS HANDBOOK, PHOSPHATE

  • Deposit

    ROCK, MARCH 1980

  • Deposit

    STOWASSER, W.F., FIELD TRIP REPORT--TUNISIAN PHOSPHATE ROCK

  • Deposit

    MINING INDUSTRY, NOV. 24, 1976

  • Deposit

    STOWASSER, W.F., MEMORANDUM: FIELD TRIP TO PHOSPHATE

  • Deposit

    PRODUCING MINES IN TUNISIA, DEC. 18, 1979.

  • Deposit

    TUNISIA BANKS ON NEW TECHNOLOGY ... P205 PRODUCTION GOALS

  • Deposit

    ENGINEERING AND MINING JOURNAL, SEPT. 1980.

  • Deposit

    TUNISIA ... PLANT TO DOUBLE PHOSPHATE PRODUCTION ...,

  • Deposit

    ENGINEERING AND MINING JOURNAL, MAY 1976.

  • Deposit

    INTERNATIONAL MINING, MAY, 1985, P. 76.

  • Deposit

    POWER, TIM,"TUNISIA; DEVELOPING DOWNSTREAM INDUSTRIES",

  • Deposit

    INDUSTRIAL MINERALS, JULY 1986, PP.20-27.

  • Deposit

    BRITISH SULPHUR CORP., WORLD SURVEY OF PHOSPHATE DEPOSITS,

  • Deposit

    FIFTH ED., P.112.

  • Deposit

    U.S. GEOLOGICAL SURVEY. MRDS, MINERAL RESOURCE DATA SYSTEM.

  • Deposit

    U.S. GEOLOGICAL SURVEY. MAS, MINERALS AVAILABILITY SYSTEM.

  • Deposit

    DEFENSE MAPPING AGENCY. TUNISIA-OFFICIAL STANDARD NAMES

  • Deposit

    GAZETEER NO.81. 1964.

General comments

Subject category Comment text
Deposit CAPACITY REPORTED AT 1,397,000 MT/YR.

Reporter information

Type Date Name Affiliation Comment
Reporter 04-JUN-97 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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