Smectite as a marker of telogenetic process along structural heterogeneities of sedimentary basin: case study of the Eocene submarine slide surfaces of the Ainsa BasinFrancis Odonne, Daniel Beaufort, Romain Munck, Laure Bourrières et José DarrozesBull. Soc. géol. Fr., 188 4 (2017) 22DOI: https://doi.org/10.1051/bsgf/2017186