Fig. 3From: Record of a dense succession of drowning phases in the Alpstein mountains, north-eastern Switzerland: part I—the Lower Cretaceous Tierwis Formation (latest Hauterivian to latest Barremian)A Illustration of the Tierwis profile (Kempf, 1966) situated on the north-western side of Grauchopf (Coordinates 2743′218/1234′893/2040). B Photograph of the same section, on which the main lithostratigraphic units and the discontinuity surfaces are markedBack to article page