The information on this page is a summary description.
The full formal description is available here: Bois de la Rocq Formation
| Abbreviation | BDR |
| Parent unit | Samme Group |
| Child units | none |
| Lithological description | Reddish shale and sandstone with locally a basal conglomerate, passing upwards yellowish sandstone with carbonate cement. |
| Age | Late to latest Famennian |
| Thickness | 50 m in the type area |
| Area of occurrence | Brabant Parautochthon from Western Flandres to the Ligne River valley, then reappearing eastwards between the Orneau River and Somme River valleys. |
| Type locality | Disused Bois de la Rocq quarry along the Samme River north of Feluy. |
| Alternative names | Psammite de la Roq, complexe arénacé basal or séquence de base arénacée |
| Authors | Mottequin, B., Denayer, J., Delcambre, B., Marion, J.-M. & Poty, E. |
| Date | 23/09/2025 |
| Cite as | Mottequin, B., Denayer, J., Delcambre, B., Marion, J.-M. & Poty, E., 2025. The Bois de la Rocq Formation, 23/09/2025. National Commission for Stratigraphy Belgium. https://ncs.naturalsciences.be/lithostratigraphy/Bois-de-la-Rocq-Formation |
| Additional information |
