– Qurn formation: It is about 70 meters thick of Middle
Eocene dolomitic limestone (at the bottom) to white limestone
(at the top).
– Wadi Garawi formation: It is conformable with the underlain
and overlain formations. Its thickness reaches
50 meters of argillaceous to marly limestone.
– Wadi Houf formation: It is of Upper Eocene age and consists
of marl to marly clay.
– Kom El-Shelul formation: It occupies a limited area in the
southern part of the studied site and consists mainly of marl,
sand and sandy limestone of Pliocene age. The thickness of
this formation varies from a few meters to about 25 meters.
– Quaternary deposits: They consist mainly of alluvium
deposits with a thickness reaching about 3 meters.
of white limestone to chalk at some places. Its thickness
reaches 80 meters.