Fig. 5From: El-Gendi Fortress: a new military and religious geo-archaeological site, Sinai, Egypt: geomorphological and hydrogeological remarksThe wall of El-Gendi Fortress is composed of the nearby Sudr chalk of Campanian- Maastrichtian age, while some support blocks derived from the massive dolomitic limestone of Turonian Wata Formation (a). The entrance of fortress, showing blocks of dolomitic limestone (b)Back to article page