Based on cosmogenic exposure ages from erratics, they suggested ice-sheet lowering in the southern part of the Antarctic Peninsula, indicating deglaciation, already by c.
Shelf bathymetric data indicate submarine troughs, which have drained large outlet glaciers from the Antarctic Peninsula into the Weddell Sea Sloan et al.
Terra Antarctica , 3 , 103.
At the same time it should be stressed that there are still large uncertainties in the Antarctic marine reservoir effect.
Marine fossils collected from debris bands on the McMurdo Ice Shelf date the grounding line recession of the Ross Sea ice sheet to a position south of Black Island by 6.
Considerable efforts are being devoted to solving problems concerning radiocarbon dating of Antarctic marine sediments, including dating acid-insoluble organic matter and foraminiferal calcite Andrews et al.