A. MARSHALL McCABE; Dating and rhythmicity from the last deglacial cycle in the British Isles. Journal of the Geological Society ; 153 (4): 499–502. doi: https://doi.org/10.1144/gsjgs.153.4.0499
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In northern Britain glaciotectonically thickened sediment piles represent the sediment flux transferred to ice margins by phases of fast ice flow and drumlin streamlining during the last deglacial cycle. Radiocarbon dating of marine faunas within deglacial muds age-constrain phases of drumlinisation (shaping) to between 19 and 14.5 ka bp. Individual phases of drumlinization can be correlated with millennial time scale discharge events documented from the circum-North Atlantic which are probably climate-driven. The overall deglacial cycle records at least five major millennial time-scale ice-margin oscillations and phases of sediment sequence rhythmicity.