“…The sediment supply from source areas to the west and east fluctuated during the early Paleogene leading to varying degrees of amalgamation and isolation of sandbodies in the basin centre (Den Hartog Jager et al, 1993;Jones et al, 2003). The most sand rich systems were developed during the Paleocene when source areas were uplifted in relation to North Atlantic break up (Den Hartog Jager et al, 1993;White & Lovell, 1997).…”