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Kalaa Khasba

Prospect in Tunisia with commodities Phosphorus-Phosphates, Fluorine-Fluorite
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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. Ore body information
  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 10024679
MRDS ID ISM0413
Record type Site
Current site name Kalaa Khasba
Alternate or previous names Kalaa-Djerda Old Name

Geographic coordinates

Geographic coordinates: 8.58509, 35.6825 (WGS84)

Site location context

Political divisions (FIPS codes)

Tunisia(country)

Geographic areas

Country
Tunisia

Comments on the location information

  • CALC. FROM INDICATION ON 500,000 SCALE MAP

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 > Carbonate > Limestone
  • Host or associated Host
    Rock type Sedimentary Rock > Chemical Sediment > Chert

Nearby scientific data

(1) 8.58509, 35.6825
ListMap

Economic information

Ore body information

  • Depth to top 150M

Comments on the geologic information

  • ; APATITE, QUARTZ, CALCITE, ARGILLACEOUS MATTER; CHOUABINE FORMATION WHICH IS OF YPRESIAN AGE, MIGHT CORRESPOND TO METLAOUI FORMATION IN GAFSA BASIN. DEPOSIT IS DIVIDED BY A MAJOR FAULT. MARLS OFTEN ARE RICH IN ANHYDRITE GYPSUM ETC.

Economic information about the deposit and operations

Development status Prospect
Commodity type Non-metallic
Significant No
Year of first production 1893
Year of last production 1982

Mining district

District name Tebessa-Thala Mining Area (Djebel Kouif Algeria)

Ownership information

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

Comments on the production information

  • 240,000 TPY PRODUCTCAPACITY IS 240,000 TPY SALEABLE PRODUCT

Reserves and resources

  • Type In-situ
    Estimate year 1970
    Total resources 12000000mt ore
    Commodity Subtype Grade units Group Importance Year
    Phosphorus-Phosphates Bpl 59.5 wt-pct Phosphorus Major 1970

Comments on development

  • NON-GEOLOGIC CONSTRAINTS ON DEVELOPMENT OR EXPANSION IN 1-5 YRS. (). DEVELOPMENT(UNKNOWN); EXPLORATION(UNKNOWN); PHOSPHATE BED BEING MINED AT PRESENT IS ABOUT 4 M THICK; ONLY THE UPPER 3 M ARE RECOVERED. ROCK IS EXTREMELY HARD. ROOM & PILAR MINING FROM TWO SHAFTS ON EITHER SIDE OF AN ANTICLINAL STRUCTURE. CHEMISTRY OF AN ORE SAMPLE: 60.12 % BPL, 27.51 % P2O5, 2.2 % F, 0.03 % CL, 48.68 % CAO, 1.52 % MGO, 0.63 % AL2O3, 0.47 % FE2O3, 5.14 % SIO2, 1.08 % NA2O, UP TO 5.7 % SO3, 8.63 % CO2; CRUSHING & SCREENING OF ROM-ORES GIVE A 58 % BPL COARSE GRAINED PRODUCT WHICH IS SOLD FOR METALLURGICAL USE. FINES ARE WASHED TO YIELD A 63 % BPL PRODUCT

Reference information

Bibliographic references

  • Deposit

    BRITISH SULPHUR CORP., 1980: WORLD SURVEY OF PHOSPHATE DEPOSITS, 4TH ED., LONDON

  • Deposit

    FOURNIE, D., 1979: PHOSPHATES ET PETROLE EN TUNISIE. DOCUMENTS DU BRGM, NO.24, 1980

  • Deposit

    SASSI, S., 1979: CONTEXTE PALEOGEOGRAPHIQUE DES DEPOTS PHOSPHATES DE L'EOCENE DE TUNISIE. DOCUMENTS DU BRGM, NO.24, 1980

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 CRUSHING, SCREENING, WASHING

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.

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