The information on this page is a summary description.
The full formal description is available here: Etroeungt Formation
| Abbreviation | ETR |
| Parent unit | none |
| Child units | none |
| Lithological description | Alternation of shale and bioclastic limestone arranged in cycles, the limestone becomes prominent upwards. |
| Age | Latest Famennian (Strunian) |
| Thickness | 40 m in the type area, increasing southwards. |
| Area of occurrence | Western part of the Dinant Synclinorium |
| Type locality | The historical disused Parcq quarry at Etroeungt does not expose the entire formation. The section along the industrial road joining the two pits of the Godin quarry (Avesnes-sur-Helpe) is currently the only good section exposing the formation. |
| Alternative names | Calcaire dEtroeungt |
| 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 Etroeungt Formation, 23/09/2025. National Commission for Stratigraphy Belgium. https://ncs.naturalsciences.be/lithostratigraphy/Etroeungt-Formation |
| Additional information |
