The information on this page is a summary description.
The full formal description is available here: Lion Member
| Abbreviation | LIO |
| Parent unit | Grand Breux Formation |
| Child units | none |
| Lithological description | White to greyish massive limestone forming very large masses, relatively rich in fossil organisms and cavities at the base, less fossiliferous and more fine-grained upwards. |
| Age | Middle Frasnian |
| Thickness | c. 130 m in the type area |
| Area of occurrence | Southern limb of the Dinant Synclinorium, between Trélon (France) to Bomal-sur-Ourthe, south-eastern margin of the Durbuy-Philippeville Anticlinorium. |
| Type locality | Historical section in disused Lion quarry in Frasnes-lez-Couvin. |
| Alternative names | none |
| 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 Lion Member, 23/09/2025. National Commission for Stratigraphy Belgium. https://ncs.naturalsciences.be/lithostratigraphy/Lion-Member |
| Additional information |
