[en] Revision of the geological map Aye-Marche (Belgium, Wallonia) has highlighted a major tectonic fault known as "Marenne fault". Its presence would explain the increased thickness of the Givetian limestones up to the valley of Ourthe river.
Research center :
ULG/Dépt. Géologie/Paléontologie animale - IRSNB - UCL/Département de Géologie