The information on this page is a summary description.
The full formal description is available here: Petit-Mont Member
| Abbreviation | PTM |
| Parent unit | Marche-en-Famenne Formation |
| Child units | none |
| Lithological description | Red micritic limestone rich in stromatactis getting richer in fossil upwards, turning pink then grey and rich in calcimicrobial structures, then turning red again in the uppermost part. |
| Age | Late Frasnian |
| Thickness | 0-60 m in the type area |
| Area of occurrence | Dinant Synclinorium and Durbuy-Philippeville Anticlinorium. |
| Type locality | The disused Petit-Mont quarry at Vodelée is the type section but is no longer accessible; the neighbouring Hautmont quarry (Vodelée) and the Beauchâteau quarry (protected site) in Senzeille are good parastratotypes. |
| Alternative names | Schistes de la Famenne |
| 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 Petit-Mont Member, 23/09/2025. National Commission for Stratigraphy Belgium. https://ncs.naturalsciences.be/lithostratigraphy/Petit-Mont-Member |
| Additional information |
