Fig. 5From: Record of a dense succession of drowning phases in the Alpstein mountains, northeastern Switzerland: Part II—the Lower Cretaceous Schrattenkalk Formation (late Barremian)A Overview of the Tierwis-Grauchopf section of unit S1, the Rawil Member and of unit S3. E.s. = exposure surface. O.l. = Orbitolina-bearing level. B Focus on the lower marly intercalation of the Rawil Member. C Focus on the tree trunks (ca. 50 cm long) at the top of the lower marly intercalation. D Focus on the coral carpets above the lower marly intercalations. E Focus on the firmground at the base of the upper marly intercalations. F Focus on the Orbitolina-rich rudstone of the upper marly intercalation associated to Heteraster oblongus (Brongniart, 1821)Back to article page