The information on this page is a summary description.
The full formal description is available here: Arche Member
| Abbreviation | ARC |
| Parent unit | Moulin Liénaux Formation |
| Child units | none |
| Lithological description | Large lense-like pinkish to grey limestone bodies, relatively rich in organisms and cavities. |
| Age | Early and middle Frasnian |
| Thickness | 100-120 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 | Disused Arche Quarry north of the village of 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 Arche Member, 23/09/2025. National Commission for Stratigraphy Belgium. https://ncs.naturalsciences.be/lithostratigraphy/Arche-Member |
| Additional information |
