Seismic morphology and distribution of inferred glaciomarine deposits along the East Antarctic continental margin, 20°E-60°E

The repetitive advances and retreats of the ice sheet and recharging of ice streams with terrigenous detritus allowed enormous amounts of glacigenic sediment to be transferred from the Antarctic interior to the shelf margin during glacial phases. It was probably a high rate of localized sediment supply by ice streams and a wide range of sediment grain sizes that promoted the long series of large and highly efficient turbidity currents. The study demonstrates that a seismostratigraphic mapping of deep-water depocentres and recognition of paleo-channels along a glaciated continental margin may provide important information on the long-term ice-sheet dynamics, particularly on the pattern of ice drainage represented by coastal ice streams.