The information on this page is a summary description.
The full formal description is available here: Mondrepuis Formation
| Abbreviation | MON |
| Parent unit | none |
| Child units | |
| Lithological description | Dark grey and bluish-grey shale with light grey or greenish-grey siltstone laminae and fossils accumulations preserved as moulds. |
| Age | Upper Pridoli to lowermost Lochkhovian in the southern part, Lochkhovian in the northern part. |
| Thickness | 150 to 1000 metres |
| Area of occurrence | Southern margin of the Dinant Synclinorium and both limbs of the Neufchâteau Eifel Synclinorium, west of the Serpont meridian. |
| Type locality | The historical stratotype at Mondrepuis (France) is discontinuous and the Bois de Ridoux section at Haybes (France) is very degraded nowadays. The best section, although difficult to access, is situated along the N5 motorway south of Couvin but the upper part is faulted. |
| Alternative names | Schistes de Mondrepuis |
| Authors | Denayer, J. & Mottequin, B. |
| Date | 23/09/2025 |
| Cite as | Denayer, J. & Mottequin, B., 2025. The Mondrepuis Formation, 23/09/2025. National Commission for Stratigraphy Belgium. https://ncs.naturalsciences.be/lithostratigraphy/Mondrepuis-Formation |
| Additional information |
