The mixed siliciclastic–carbonate Teniet El Klakh Formation (Middle Jurassic, Bajocian)
mainly consists of a monotonous, clay and fine-grained sandstone alternation with some …

The mixed siliciclastic-carbonate Teferguenite Formation (Pragian-Emsian) occurring in the
Ougarta Range (SW Algeria) is subdivided into two members: the Lower Member consists of …

The Messinian diatomaceous deposits are widely exposed in the Lower Chelif Basin (NW-
Algeria). The upper part of the Diatomaceous Formation is intercalated by four …

The Zoophycos ichnofacies is reported for the first time from the Lower Jurassic (Toarcian)
deposits of Algeria. The trace fossil-bearing strata in the Ksour Mountains, northwestern …

Early Cretaceous succession of the Oued Fodda Formation in the Ouarsenis Mountains
(northwestern Algeria) is mainly composed of marl–limestone alternations, which are …

Abstract The Upper Emsian to Frasnian Ia-Ib strata of the Marhouma area (or “km 30”
outcrop), exposed in the Ougarta Range (SW Algeria) belong to the Chefar El Ahmar …

Abstract The Faïdja Formation displays mixed siliciclastic-carbonate deposits distributed in
three members, which are organised from bottom to top as follows: the Clayey Sandstone …

Abstract The Berriasian–Valanginian succession crop** out in the Ouarsenis Range
(northwestern Algeria) consists of ammonite-bearing, marlstone-limestone alternations …

In most oxygen-deficient ancient successions, Chondrites and Zoophycos are typical and
recurrent trace fossils that are the last to disappear during deoxygenation events. Here, we …

The marl and limestone alternations of the Lower Jurassic Ain Ouarka and Ain Rhezala
formations (Pliensbachian–Toarcian) in the western Saharan Atlas, Northwest Algeria, yield …