Phénomènes de paléodistension d'âge jurassique dans la Dorsale kabyle du Djurdjura (Algérie): relations avec le rifting téthysien

In the littoral alpine orogen of the Maghreb, transverse section of Great Kabylian reveals, inside the external units of the Djurdjura's «Dorsale calcaire», many signs of jurassic paleodistension, formed mainly during the liassic period. This synsedimentary tectonics which shows similar characteristics to those found in western Alps in the area of Briancon, is attributed to the tethysian rifting mechanism