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

Fig. 1

From: Formation of phyllosilicates in a fault zone affecting deeply buried arkosic sandstones: their influence on petrophysic properties (Annot sandstones, French external Alps)

Fig. 1

a Structural map of the SW external Alps, with location of the study area (star). 1 Embrunais–Ubaye nappes, 2 Middle Eocene to Rupelian, i.e. the Grès d’Annot Formation (south of Pelvoux massif: Grès du Champsaur) and its shallow-water lateral equivalents in the Castellane Arc and Barrême basin, and underlying Tertiary strata, 3 Mesozoic, 4 Palaeozoic substratum (mainly crystalline basement in the Argentera and Pelvoux massifs and Permian sediments in the Barrot massif). b Cross section of the studied area with the location of the Restefond fault. Map and section are simplified from Labaume et al. (2008b). The star on the map localizes the Restefond fault

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