A threefold subdivision of the syn-rift infill of extensional half-grabens, relating distinct lithologies and stratigraphic signatures to the temporal rift development was proposed by Prosser (1993). Subsequently Ravnás and co-workers (1994) have argued that a bipartite subdivision is developed more commonly in underfilled and sediment starved rift-basins. The Jack of late syn-rift sandstone cappings is attributed to low sediment supply despite low rates of tectonic subsidence and rotation. These two models can be seen as end-members in a series of syn-rift architectural patterns present in the middle Jurassic-lowermost Cretaceous of the northern North Sea.


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