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Swiss Journal of Geosciences
Fig. 4 | Swiss Journal of Geosciences

Fig. 4

From: 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)

Fig. 4

A. Locality map of the Tierwis section and photographs of Tierwis Hütte (B) and Tierwis-Grenzchopf (C–F) outcrops. B View of the Tierwis Hütte outcrops with the incriminated formations. C View of the Tierwis-Grenzchopf outcrop with the incriminated formations and main beds. D Polyphased hardground at the boundary between the Altmann Member and the Drusberg Member (D7). E Firmground with bored pebbles in the lower part of the Drusberg Member (D8). F Oyster-rich firmground at the boundary between the carbonate-dominated succession and the marly interval composing the Drusberg Member

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