The Nordkapp Basin is a NE-trending salt-related rift basin located in the Norwegian Barents Sea. The presence of a thick Late Carboniferous-Early Permian evaporitic interval (Gipsdalen Gp.) has played an important role in the evolution of the Nordkapp Basin, coupling the deformation of subsalt and suprasalt strata during the different episodes of extension and compression. The factors that influenced this complex deformation remain poorly understood and continue being debated. Therefore, this study uses 2D/3D seismic and well data to better understand: (1) the trigger of the Triassic diapirism; and (2) the impact of lithology and thickness variations of the Gipsdalen Gp. on the suprasalt deformation. Preliminary results indicate that salt diapirism in the Nordkapp Basin was triggered by an Early Triassic thick-skinned extension. This episode formed salt walls on top of subsalt faults and large depocenters. Subsalt fault displacement and lithology/thickness variations of the Gipsdalen Gp. strongly influenced the distribution of salt structures and suprasalt fault arrays. Despite the cessation of subsalt fault activity during the Mid-Late Jurassic, most of the deformation in the Nordkapp Basin continued as thin-skinned gravity gliding associated with the preferential growth of salt pillows on the SE basin boundary


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