| Facies codes | Descriptions | Colour | Sedimentary Structures | Deposit process |
| S1 | Sandstone medium to coarse grained (30 cm to 2 m thickness) | 5Y7/6 to 5R4/6 to 8/1 | Horizontal laminations, oblique ferruginous massive red | Cohesive debris flows |
| S2 | Sandstone horizon end alternating way (1 - 4 m thickness) | 5R4/6 to 5R5/4 | ||
| S3 | Sandy clay (2 m) | 5R5/4 | ||
| F12 | Horizon clay gravel and sandstone fragments (10 - 20 cm) | 5R4/6 | ||
| F11 | Horizon nodular clay, gastropods and bivalves matrix (1 - 2 m) | 5R4/6 | ||
| F10 | Silts with gastropods and bivalves bioclast (4 m) | 5GY4/1 | Subhorizontal laminations, low bioturbations, 10 cm thickness | Suspension deposit in a quiet environment |
| F9 | Sand micaceous clay, gastropods and bivalves mould (2 m) | 5GY4/1 | Horizontal laminations | Planar bed flows with an average hydrodynamic |
| F8 | Horizon clay nodular (2 à 3 m) | 5R5/4 to 5Y7/6 | ||
| F7 | Micaceous sandy clay, coal, gastropods and bivalves mould (6 m) | 5G4/1 | Fine horizontal laminations, 60 cm thickness | Bed flows (Miall, 1978) with an average planar hydrodynamics |
| F6 | Micaceous sandy clay, coal, gastropods and bivalves mould (4 m) | 5G6/1 | Horizontal laminations | |
| F5 | Mottled clay, plates and some ferruginous nodules (2 - 4 m) | 5R4/6 | Fine horizontal laminations, 60 cm thickness | |
| F4 | Micaceous clay studded with gastropods moulds and crusts of hardened plates (6 m) | 5G6/1 | Horizontal laminations | Suspension deposits in a weak current environment with low energy |
| F3 | Mottled sandy clay, presence of some ferruginous nodules (4 m) | 5Y6/1 | Horizontal laminations | Deposit in the lower part of a lower flow regime (Miall, 1978; |
| F2 | Clay with gastropods moulds and coal (4 m) | 5G6/19+ | Horizontal laminations | |
| F1 | Compact clay rich muscovite and charcoal fragments (4 - 6 m) | 5G6/1 | Horizontal laminations |