Fig. 4
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Coupes étudiées de l’Unité centrale. A. Coupes d’El Heitouf, B. Coupe de Sned. Successions lithologiques et répartition des principaux groupes fossiles du sommet du Pliensbachien à Toarcien moyen.
Studied sections of the Central Unit. A. El Heitouf section, B. Sned section. Lithostratigraphic successions and stratigraphic distribution of the main fossil groups from the latest Pliensbachian to middle Toarcian.
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