(A) Elementary sedimentary successions; Symmetric Chattian sedimentary succession (Grand Gandaillat) where buildups only correspond to flat and cauliflower macrofabrics and asymmetric Aquitanian sedimentary successions (Chadrat, Jussat and Créchy), thinner in Chadrat and thicker in Créchy, respectively. The buildups are diversified and composed of all the macrofabrics. (B) Main controlling factors of the Limagne Basin sedimentation.