الفهرس 
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Abstract
Western Desert basement covered by a huge sedimentary cover of different ages and depositional environments, due to the variety of those environments a very wide variation in the deposits types (marine, continental….etc.) accumulated along billions of years through the geological time scale from the Paleozoic reaching to the most recent deposits on the surface.
Dahab-Mireir basin is one of the important basins in the northern part of the Western Desert consists of a huge thickness of sedimentary cover reaching to about 25,000 ft. and it considered as the most important source of hydrocarbon generation and oil and gas expulsion through the Alamein-Yidma area fields (Alamein, NE Alamein and Yidma Fields).
Laramide Orogeny tectonic event during Late Cretaceous-Early Tertiary created the NE-SW trending Syrian Arc Fold Belt known as Syrian Arc System extended from NE Syria to southward of Western Desert. It comprises several sub-parallel chains of elongated asymmetric antiforms such as Alamein, NE Alamein and Yidma Field’s anticlines crossed by NW-SE trending extensional faults, which acted as a very good conduits for hydrocarbon migration and entrapment.