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

Sehib

Prospect in Tunisia with commodities Phosphorus-Phosphates, Fluorine-Fluorite
Map
XML
JSON
KML
B
Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Commodities
  6. Host and associated rocks
  7. Nearby scientific data
  8. Geologic structures
  9. Economic information about the deposit and operations
  10. Mining district
  11. Ownership information
  12. Reserves and resources
  13. Links to other databases
  14. Bibliographic references
  15. General comments
  16. Reporter information

Geologic information

Identification information

Deposit ID 10024686
MRDS ID ISM0420
Record type Site
Current site name Sehib
Alternate or previous names Djellabia M'Zinda

Geographic coordinates

Geographic coordinates: 8.69201, 34.20368 (WGS84)
Relative position CENTROID, ABOUT 200 M

Site location context

Political divisions (FIPS codes)

Tunisia(country)

Geographic areas

Country
Tunisia

Comments on the location information

  • IS CONTINUATION OF MDILLA DEPOSIT

Commodities

Commodity Importance
Phosphorus-Phosphates Primary
Fluorine-Fluorite Critical Primary

Comments on the commodity information

  • PHOSPHATE

Host and associated rocks

  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Argillite
  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Limestone
    Rock unit name Chouabine Formation; Ypresian;Chouabine Formation; Ypresian;Chouabine Formation; Ypresian
    Rock description Chouabine Formation; Ypresian;Chouabine Formation; Ypresian;Chouabine Formation; Ypresian

Nearby scientific data

(1) 8.69201, 34.20368
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description Gafsa Basin, Sehib Anticline

Comments on the geologic information

  • ; APATITE, CALCITE, DOLOMITE, SILICA, ARGILLACEOUS MATTER

Economic information about the deposit and operations

Development status Prospect
Commodity type Non-metallic
Significant No
Year of first production 1971
Year of last production 1982

Mining district

District name Gafsa Basin

Ownership information

  • Type Owner-Operator
    Owner Compagnie Des Phosphates De Gafsa (Cpg) (State Controlled)

Comments on the production information

  • 1.8 MILLION TPY ORE, 1.3 MILLION TPY CONC.

Reserves and resources

  • Type In-situ
    Estimate year 1980
    Total resources 28000000mt ore
    Commodity Subtype Grade units Group Importance Year
    Phosphorus-Phosphates Bpl 63.4 wt-pct Phosphorus Major 1980

Comments on the reserve resource information

  • DATA GIVEN IN SHORT TONS, CONVERTED "ESTIMATED KNOWN RESERVES"
  • GRADE OF ORE CALCULATED FROM RECOVERY STATEMENTS: 2 MILLION TONNES GIVE 1.45 MILLION TONNES CONCENTRATE GRADING 66.5 % BPL, RECOVERY RATE 76 %

Comments on development

  • NON-GEOLOGIC CONSTRAINTS ON DEVELOPMENT OR EXPANSION IN 1-5 YRS. (). DEVELOPMENT(YES); EXPLORATION(UNKNOWN); THE OPERATIONS WITNESSED SEVERAL DIFFICULTIES, CONNECTED WITH INTRODUCTION OF LONGWALL MINING TECHNOLOGY

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit THIS RECORD WAS COMPILED FOR THE INTERNATIONAL STRATEGIC MINERALS INVENTORY. THE DATA WERE USED IN PREPARATION OF THE USGS CIRCULAR 930 SERIES OF REPORTS. MINERAL RESOURCE CATEGORIES AND CODES HEREIN ARE FROM THE INTERNATIONAL CLASSIFICATION SYSTEM RECOMMENDED BY THE UNITED NATIONS GROUP OF EXPERTS ON DEFINITIONS AND TERMINOLOGY FOR MINERAL RESOURCES. (SEE NATIONAL RESOURCES FORUM, V. 4, NO. 3, P. 307-313.). UNDERGROUND SCREENING AND WASHING IN MDILLA BENEFICIATION PLANT

Reporter information

Type Date Name Affiliation Comment
Reporter 01-SEP-1982 Krauss, Ulrich H. Bundesanstalt Fuer Geowissenschaften und Rohstoffee (Germany)

Beyond USGS

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

Maps centered on this site