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The multiphase rifting of the mid-Norwegian continental margin resulted in a complex architecture of the post-Caledonian basins. The earliest rifting period took place in the Permo-Triassic and led to the breakup of the Greenland-Norway conjugate margins. In response to the rifting, a series of mixed siliciclastic-evaporite-carbonate basins developed within the proximal and necking domains of the mid-Norwegian continental margin. This study focuses on the spatio-temporal development of the mid-Norwegian continental margin, structural events, and related depositional patterns. Investigations of the tectonostratigraphic framework of these understudied basins provide knowledge on the evolution of depositional depocenters, rifting character, and growth of intrabasinal highs. While the Jurassic evolution and rifting have been thoroughly investigated for hydrocarbon exploration, the early rifting phases have been poorly documented due to limited data of relative poor quality. Recent advances in seismic acquisition and imaging have greatly enhanced seamless structural and stratigraphic mapping providing a consistent regional framework to support multidisciplinary studies from the regional scale down to the finer details. This project synthesizes previous studies, integrates them, and compares with modern, high-resolution seismic data, new exploration wells, and drill cores.