Structural style and early stage growth of inversion structures: 3D seismic insights from the Egersund Basin, offshore Norway

► 3D seismic data constrain early-stage development of inversion structures. ► Inversion structural style controlled by geometry of underlying normal fault system. ► Strike variability of fault strength and height cause development of periclines. ► Seismic-stratigraphic analysis constrain timing of inversion. ► Onset of deformation varied by c. 6 Myr due to strain partitioning.