- Coloured boundaries around figures: light blue Roisan Zone; orange Arolla Series and Lower Unit, brown Cuney and Becca di Salé slices. Reference of methods used: (1) Gr thermometer (Beyssac et al. 2002); (2) Barometer (Dubacq et al. 2010); (3) Grt-Wm thermometer (Wu et al. 2002); (4) AlIV in Chl (Vidal et al. 2005, 2006)