Abstract
A system of half-flower-like structures, folds, reverse faults and footwall cut-offs is observed adjacent to the Bjornoyrenna Fault Complex in the south-western Barents Sea. Although the Bjørnoyrenna Fault Complex itself is principally an extensional feature with its period of maximum extensional activity in the early Cretaceous, these structures suggest that the subsidence along the fault complex was interrupted in the Hauterivian-Aptian by left-lateral (?)transtension, and in the late Cretaceous-early Tertiary by head-on inversion. Both these episodes caused relatively intense deformation, and seem to have regional significance. Consequently, the events need to be seen in relation to the plate tectonic development of the south-western Barents Sea.
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