Djebel Onk

Producer in Algeria with commodity Phosphorus-Phosphates
Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Commodities
  6. Mineral occurrence model information
  7. Nearby scientific data
  8. Ore body information
  9. Controls for ore emplacement
  10. Economic information about the deposit and operations
  11. Production statistics
  12. Reserves and resources
  13. Links to other databases
  14. Bibliographic references
  15. General comments
  16. Reporter information

Geologic information

Identification information

Deposit ID 10084844
MRDS ID W700058
Record type Site
Current site name Djebel Onk

Geographic coordinates

Geographic coordinates: 8.08507, 34.49923 (WGS84)
Relative position ABOUT 60 MILES SOUTH OF TEBESSA.

Site location context

Political divisions (FIPS codes)

Algeria(country)

Africa(continent)

Land(continent)

Geographic areas

Country
Algeria

Commodities

Commodity Importance
Phosphorus-Phosphates Primary

Analytical data

Result THE AVERAGE GRADE OF THE DEPOSIT IS ABOUT 24% P2O5.

Mineral occurrence model information

Model code 243
USGS model code 34c
Deposit model name Phosphate, upwelling type

Nearby scientific data

(1) 8.08507, 34.49923

Economic information

Ore body information

  • Thickness 30.48M

Controls for ore emplacement

  • Anticlines

Economic information about the deposit and operations

Development status Producer
Commodity type Non-metallic
Significant No

Production statistics

  • Year 1978
    Period 1974-1978
    Material P CONC
    Accuracy Accurate
    Description Cp_Grade: ^28.8%-29.7% P2o5
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    P2O5 Conc. Phosphorus-Phosphates Phosphorus 29wt-pct

Reserves and resources

  • Type In-situ
    Estimate year 1980
    Total resources 500000000000mt ore
    Commodity Subtype Grade units Group Importance Year
    Phosphorus-Phosphates P2O5 24.3 wt-pct Phosphorus Major 1980

Reference information

Bibliographic references

  • Deposit

    KRAUSS AND OTHERS, 1984: U.S. GEOLOGICAL SURVEY CIRCULAR 930-C, 41 P.

  • Deposit

    HARBEN AND BATES, 1984, PHOSPHATE ROCK IN GEOLOGY OF THE NONMETALLICS: NEW YORK, METAL BULLETIN INC., P. 170-190.

General comments

Subject category Comment text
Deposit STEEPLY DIPPING BEDS EXPOSED IN ANTICLINES OVER A 6 MILE AREA. PHOSPHATE ROCK RESEMBLES A FRIABLE SANDSTONE.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-DEC-1987 Orris, Greta J. U.S. Geological Survey

Beyond USGS

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