The information on this page is a summary description.
The full formal description is available here: Haybes Member
| Abbreviation | HAY |
| Parent unit | Fépin Formation |
| Child units | |
| Lithological description | Greyish or blueish arkosic sandstone with kaolinitic matrix alternating with dark or greenish sandy shale. |
| Age | Upper Pridoli to lowermost Lochkhovian |
| Thickness | 0 to a few tens of metres |
| Area of occurrence | Margins of the Caledonian inliers of Rocroi, Serpont and Givonne |
| Type locality | The sections situated near Fépin and Haybes (France) are discontinuous but illustrate the facies variations (Meilliez, 1984, 1989). Godefroid et al. (1982) defined the stratotype of the Fépin Formation in the Lahonry quarry, south of Couvin. |
| Alternative names | Arkose dHaybes |
| Authors | Denayer, J. & Mottequin, B. |
| Date | 23/09/2025 |
| Cite as | Denayer, J. & Mottequin, B., 2025. The Roche à l’Appel Member, 23/09/2025. National Commission for Stratigraphy Belgium. https://ncs.naturalsciences.be/lithostratigraphy/Haybes-Member |
| Additional information |
