Fig. 12

Peak P–T metamorphic conditions from the literature (1–14) and T_RSCM values (this work) along a cross-section of the southern Cottian Alps. See trace of cross-section in Figs. 3 and 10. Caution: the two scales (P on the left, T on the right) are independent. Western part of cross-section (Briançonnais nappes west of Acceglio) after Gidon et al. (1977); central part after Michard (1967); eastern part (Dora-Maira units) after Avigad et al. (2003). Acronyms as Fig. 3, with CC: Ceillac-Chiappera unit; C-E: Cretaceous-Eocene; MA: Marinet-Aiguilles de Mary; MB: Mte Bettone; Ol: Oligocene (“Grès d’Annot”); QN: Queyras nappe divided into LPU1/LPU2/LPM = Liguria-Piemonte Upper1 & 2/Medium units in Herviou et al. (2021); Ro: Rouchouze; RP: Rocca Peroni; sr,: serpentinite; St: Sautron; T-J: Triassic-Jurassic. 1: Michard et al. (2004); 2: Houfflain and Caby, 1987; Schwartz et al. (2000a); 3:Agard et al. (2001), Goffé et al. (2004); 4: Schwartz et al. (2013), Lefeuvre et al. (2020), Herviou et al. (2021); 5: Angiboust et al. (2012); 6: Mondino (2005); 7: Henry et al. (1993); 8: Castelli et al. (2014); 9: Chopin and Schertl (1999); 10: Castelli et al. (2007); 11: Ferrando et al. (2009); 12: Campomenosi et al. (2021); 13: Avigad et al. (2003); 14: Groppo et al. (2019)