Argile Gypse Fm
Period:
Cretaceous
Age Interval:
Coniacian – Campanian.
Province:
Illizi Basin
Type Locality and Naming
Informal name based on the average lithology
Synonym: Clayey Gypsum Fm (translation of the French)
References: Klett, 2000; Benvegnù, 2020
Lithology and Thickness
The Argile Gypse Fm is made up of gypsum and capped by shales (Klett, 2000).
Lithology Pattern:
Gypsum-Anhydrite
Relationships and Distribution
Lower contact
It conformably overlies the Serie d’In Akamil Fm.
Upper contact
It is conformably overlain by the Calcaire Marnes Fm.
Regional extent
Illize Basin of SE Algeria
GeoJSON
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Fossils
Age
Coniacian through probably mid-Campanian (drawn as lower half of “Senonian on schematic column of Klett, 2000
Age Span:
Beginning stage:
Coniacian
Fraction up in beginning stage:
0.00
Beginning date (Ma):
89.39
Ending stage:
Campanian
Fraction up in the ending stage:
0.5
Ending date (Ma):
77.91
Depositional setting
Depositional pattern:
Additional Information
Compiler:
Enam O. Obiosio, Solomon Joshua Avong and Henry Nasir Suleiman (2024) - Stratigraphic Lexicon compiled from the following books:Benvegnù I. (2020): Thermal Evolution of Paleozoic and Triassic Reservoir Rocks in the Ghadames-Illizi Basin (Algeria). An unpublished MSc thesis at Universita’ degli Studi di Padova.
T.R. Klett (2000): Province, Algeria, Tunisia, and Libya - The Tanezzuft-Oued Mya, Tanezzuft-Melrhir, and Tanezzuft-Ghadames. U.S. Geological Survey Bulletin, 2202-C.