Fig. 3

Tectonic sketch map (a) and structural profile (b) of the study area based on this work (see detail geological map in Additional file 1) and modifying Gidon et al. (1994); Michard et al. (2004) and Kerckhove et al. (2005). The black stars indicate the observation points of Figs. 6 and 7. φBRE Brec de Chambeyron basal thrust, φHOU Col des Houerts fault/backthrust, φCHI Chillol thrust, φCEI Ceillac fault/backthrust, φCDC Colle di Ciabriera backthrust, φSL Schistes Lustrés thrust, BREC Brec de Chambeyron klippe, AG Aiguille Grande klippe, PDC Pas de Chillol klippe, BDT Bassa di Terrarossa klippe