“…In smectite-rich environments (as the SP, PC, and SC successions), the comparison of smectite and kaolinite vs. illite ((S + K):I) changes with the global sea-level curves and enables to identify the influence of the global eustasy (Clark et al, 2009;Daoudi et al, 1995), and local tectonics (Jamoussi et al, 2003;Martín-Martín et al, 2001). A low diagenetic overprint is needed for using the temporal distribution of claymineral assemblages (Alcalá et al, 2013b(Alcalá et al, , 2013aRuffell et al, 2002).…”