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Swiss Journal of Geosciences
Fig. 1 | Swiss Journal of Geosciences

Fig. 1

From: Reconciling strontium-isotope and K–Ar ages with biostratigraphy: the case of the Urgonian platform, Early Cretaceous of the Jura Mountains, Western Switzerland

Fig. 1

Schematic representation of the Late Valanginian–Barremian sediments recovered in the western Swiss Jura (modified after Godet et al. 2010). Main lithological features, characteristic microfacies and fossils of biostratigraphic importance are reported on the right hand side (after Remane et al. 1989; Blanc-Aletru 1995; Godet 2006). The position of the analysed brachiopods is reported alongside the lithological column. Abbreviations of the lithostratigraphical formation and member names are: CR Calcaire Roux, MA Marnes à Astieria, MBH Marnes bleues d’Hauterive, MKZ Mergelkalk Zone, PJN Pierre Jaune de Neuchâtel, MU Marnes d’Uttins, MR Marnes de la Russille

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