The Faisceaux are narrow zones of intense deformation of the External Folded Jura. They separate largely undeformed or only slightly deformed tabular areas known as Plateaux.
Kondensationshorizont im Dach des Rubli-Members, bestehend aus rostig anwitterndem hellgrauem phosphoritischem Sandkalk bis kalkigem Sandstein mit Bivalven, Gastropoden, Belemniten und Ammoniten.