Crustal Structure of the Maghrebides along a Central Algerian Transect

H-28 CRUSTAL STRUCTURE OF THE MAGHREBIDES ALONG A CENTRAL ALGERIAN TRANSECT Abstract 1 DOMINIQUE FRIZON DE LAMOTTE 1 RABAH BRACÈNE 1 2 NARIMANE BENAOUALI 1 3 and FRANÇOIS ROURE 3 1 Cergy-Pontoise University CNRS UMR 7072 Av. du Parc 95 031 Cergy Cedex France North Algeria (fig.1) was part of the southern Tethyan margin during the Mesozoic. Its geodynamic evolution since Triassic times up to Present is summarized below. It comprises: - A rifting episode during the Triassic and Liassic; - A post-rift episode of thermal subsidence and Tethyan oceanic accretion from the Middle Jurassic up to the Late Cretaceous;