The information on this page is a summary description.
The full formal description is available here: Rochers de Frênes Member
| Abbreviation | RFR |
| Parent unit | Lustin Formation |
| Child units | Marlagne Dolomitic Facies, Richelle Facies |
| Lithological description | Bedded limestone, light grey in colour, with bioclastic and fine-grained (or stromatolithic) facies, locally dolomitic or brecciated. |
| Age | Middle Frasnian |
| Thickness | 48 m in the type area, decreasing eastwards |
| Area of occurrence | Northern limb of the Dinant Synlinorium, Haine-Sambre-Meuse Overturned thrust sheets, Visé area. |
| Type locality | Rochers de Frênes section (Lustin), both along the railway cut and the road from Dinant to Namur (N947). |
| Alternative names | Assise du Malpas (p.p.) |
| 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 Rochers de Frênes Member, 23/09/2025. National Commission for Stratigraphy Belgium. https://ncs.naturalsciences.be/lithostratigraphy/Rochers-de-Frenes-Member |
| Additional information |
