The information on this page is a summary description.
The full formal description is available here: Tchafornis Member
| Abbreviation | TCH |
| Parent unit | Aisemont Formation |
| Child units | none |
| Lithological description | Bedded bioclastic limestone, rich in corals, locally biostromal or nodular. |
| Age | Late Frasnian |
| Thickness | 10-15 m in the type area. |
| Area of occurrence | Brabant Parautochthon, Haine-Sambre-Meuse Overturned Thrust sheets, Vesdre area, Theux Window, Campine Basin and northern limb of the Dinant Synclinorium between Lesves and Remouchamps. |
| Type locality | The Mallieue section (road and disused quarry) exposes the entire formation and can be used as neostratotype. |
| Alternative names | Premier biostrome à Phillipsastrea. |
| 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 Tchafornis Member, 23/09/2025. National Commission for Stratigraphy Belgium. https://ncs.naturalsciences.be/lithostratigraphy/Tchafornis-Member |
| Additional information |
