The information on this page is a summary description.
The full formal description is available here: Bois Chession Member
| Abbreviation | BCS |
| Parent unit | Hierges Formation |
| Child units | |
| Lithological description | Quartzitic or argillaceous sandstone and grey or grey-greenish, fossiliferous shale. |
| Age | Late Emsian |
| Thickness | C. 20 metres |
| Area of occurrence | Southern limb of the Dinant Synclinorium. |
| Type locality | A new stratotype for this limit is proposed along the Eau Noire south of Couvin. |
| Alternative names | Grauwacke dHierges |
| Authors | Denayer, J. & Mottequin, B. |
| Date | 23/09/2025 |
| Cite as | Denayer, J. & Mottequin, B., 2025. The Bois Chession Member, 23/09/2025. National Commission for Stratigraphy Belgium. https://ncs.naturalsciences.be/lithostratigraphy/Bois-Chession-Member |
| Additional information |
