ABSTRACT
This chapter discusses the structural characteristics and tectonic evolution of north Sinai fold belts. Several east-northeast and northeast oriented doubly plunging anticlines form a distinctive tectonic province in north Sinai. These folds are the main topographic highs of the region. The north part of Gebel El Maghara thrust is offset twice by two east-west oriented right-lateral strikeslip faults. On the upthrown side of the displaced part of the thrust in Gebels El Torkmaniya, Um Mitmam, and El Mistan is another northeast elongated belt of right-stepped en-echelon folds that plunge south to southwest. Gebel Yelleq is the largest among the north Sinai folds. It is oriented northeast and has moderate dips on its northwest side and very steep dips on its southeast side. In Gebel Um Makhasa, the Cretaceous rocks are folded by a northeast oriented anticline. Like the Giddi and Mitla passes area, the nearby Eocene rocks are not folded.
