Fig. 17From: Record of a dense succession of drowning phases in the Alpstein mountains, northeastern Switzerland: Part II—the Lower Cretaceous Schrattenkalk Formation (late Barremian)Martelites sp., foundation works of the Hotel Metropol at Brunnen in the 60 s, Eidgenössische Technische Hochschule Zürich, cat. no. eth27789, “upper” Schrattenkalk. Umbillical and oblique view of the imprint and cross section (in black) with extrapolated parts in grey colourBack to article page