Argiles d'Azzel Fm
Period:
Ordovician
Age Interval:
Province:
Northern Africa: Trias/Ghadames basin
Type Locality and Naming
Synonym:
Lithology and Thickness
No given data
Lithology Pattern:
Claystone
Relationships and Distribution
Lower contact
Gres de Ouargla Fm (conformable)
Upper contact
Gres d'Oued Saret Fm (conformable)
Regional extent
Trias basin
GeoJSON
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Fossils
Age
Age Span:
Beginning stage:
Sandbian
Fraction up in beginning stage:
0.5
Beginning date (Ma):
455.46
Ending stage:
Katian
Fraction up in the ending stage:
0.5
Ending date (Ma):
448.98
Depositional setting
Depositional pattern:
Additional Information
Compiler:
Rebecca Bobick (and Wen Du), modified from Klett, T.R. "Total Petroleum Systems of the Grand Erg/Ahnet Province, Algeria and Morocco - The Tanezzuft - Timimoun, Tanessuft-Ahnet, Tanezzuft-Sbaa, Tanezzuft-Mouydir, Tanezzuft-Benoud, and Tanezzuft Bechar/Abadla" Bulletin 2202-B, U.S. Geological Survey