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Fig. 7 | Swiss Journal of Geosciences

Fig. 7

From: The Perte-du-Rhône Formation, a new Cretaceous (Aptian-Cenomanian) lithostratigraphic unit in the Jura mountains (France and Switzerland)

Fig. 7

Facies and microfacies pictures from the Fulie Mb: a contact between the Vallorbe Fm and the Fulie Mb at the Montanges section (Ain, France). b Contact between the Vallorbe Fm and the Fulie Mb at the Bellegarde train station (Ain, France). c Microfacies from the last limestone bed from the Vallorbe Fm. d Facies from the Poet Beds in the “Nouvelle mine” at la Presta (Val de Travers, Neuchâtel, Switzerland). e Microfacies from the Poet Beds. f Macrofauna from the Poet Beds with Heteraster oblongus (Brongniart 1821) (f1, coll. A. Pictet, MHNG GEPI 84601), Harpagodes pelagi (Brongniart 1821) (f2, coll. A. Pictet, MHNG GEPI 84602), and Deshayesites gr. saxbyi Casey 1964 (f3, coll. Delamette, UCBL FSL 105033). g Facies and contact between the Vauglène and Mortier Beds at Vauglène farm near Bellegarde. h Microfacies from the Vauglène Beds. i Ammonite fauna (i1, Deshayesites grandis Spath 1930, coll. Frey, MNB J33405; i2, Dufrenoyia furcata Sowerby 1936, coll. A. Pictet; MGL 2075a; i3, Cheloniceras cornuelianum [d’Orbigny 1841], coll. Frey, MNB J28181; i4, Dufrenoyia dufrenoyi [d’Orbigny 1841], coll. générale, MHNG GEPI 80720;) from the phosphatic conglomerate from la Presta, situated at the boundary between the Vauglène and Mortier Beds. j, l Facies and microfacies from the grey marl from the Mortier Beds. k, m Facies and microfacies of the motley marl and sandstone form the Mortier Beds. n Ammonite fauna (n1, Epicheloniceras martini [d’Orbigny 1841], coll. générale, MGL 97803; n2, Parahoplitidae, coll. générale, MHNN 26901;) from the Mortier Beds

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