The information on this page is a summary description.
The full formal description is available here: Oignies Formation
| Abbreviation | OIG |
| Parent unit | none |
| Child units | |
| Lithological description | Red, purple-red, green or variegated, often finely micaceous, shale and siltstone with lenticular beds of quartzitic or arkosic sandstone and decalcified nodules. |
| Age | Middle to late Lochkovian |
| Thickness | 200 to 400 metres |
| Area of occurrence | Southern limb of the Dinant Synclinoirum up to Manhay. |
| Type locality | The Moulin de Frétogne section along the Meuse River, north of Fépin. |
| Alternative names | Schistes bigarrés dOignies |
| Authors | Denayer, J. & Mottequin, B. |
| Date | 23/09/2025 |
| Cite as | Denayer, J. & Mottequin, B., 2025. The Oignies Formation, 23/09/2025. National Commission for Stratigraphy Belgium. https://ncs.naturalsciences.be/lithostratigraphy/Oignies-Formation |
| Additional information |
