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Assekaifaf Formation
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Assekaifaf Fm base reconstruction

Assekaifaf Fm


Period: 
Carboniferous

Age Interval: 
late Visean – Serpukhovian.


Province: 
Oued Mya Basin

Type Locality and Naming

Synonym:

References: Klett, 2000.


Lithology and Thickness

The Assekaifaf Fm. is made up of Limestone and sandstone with concretions (Klett, 2000).


Lithology Pattern: 
Sandy limestone


Relationships and Distribution

Lower contact

It conformably overlies the Issendjel Fm.

Upper contact

It is conformably overlain by the Oubarakat Fm.

Regional extent


GeoJSON

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Fossils


Age 


Age Span: 

    Beginning stage: 
Visean

    Fraction up in beginning stage: 
0.7

    Beginning date (Ma): 
335.26

    Ending stage: 
Serpukhovian

    Fraction up in the ending stage: 
1.0

    Ending date (Ma):  
323.40

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:

Baouche, R., Ganguli, S. S., Sen, S., Radwan A. E. (2023): Assessment of reservoir stress state and its implications for Paleozoic tight oil reservoir development in the Oued Mya Basin, northeastern Algerian Sahara. Geosystems and Geoenvironment 2: pp.1-18. https://doi.org/10.1016/j.geogeo.2022.100112

Fadila B. (2004): Reservoir Characterization and Reservoir Modeling in the Northwestern Part of Hassi Massaoud Field Algeria. A PhD thesis at the University of Hamburg, Hamburg, Germany.

T.R. Klett (2000): Total Petroleum Systems of the Trias/Ghadames Province, Algeria, Tunisia, and Libya - The Tanezzuft-Oued Mya, Tanezzuft-Melrhir, and Tanezzuft-Ghadames. U.S. Geological Survey Bulletin, 2202-C.

Kraouia et al., (2023): Ordovician–Upper Silurian–Triassic Petroleum System Assessment in the Chotts Area. In S. Khomsi and F. Roure (eds.), Geology of North Africa and the Mediterranean: Sedimentary Basins and Georesources, Regional Geology Reviews, https://doi.org/10.1007/978-3-031-18747-6_7