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Geomorphology and glacial history of Rauer Group, East Antarctica


White, DA and Bennike, O and Berg, S and Harley, SL and Fink, D and Kiernan, K and McConnell, A and Wagner, B, Geomorphology and glacial history of Rauer Group, East Antarctica, Quaternary Research, 72, (1) pp. 80-90. ISSN 0033-5894 (2009) [Refereed Article]

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DOI: doi:10.1016/j.yqres.2009.04.001


The presence of glacial sediments across the Rauer Group indicates that the East Antarctic ice sheet formerly covered the entire archipelago and has since retreated at least 15 km from its maximum extent. The degree of weathering of these glacial sediments suggests that ice retreat from this maximum position occurred sometime during the latter half of the last glacial cycle. Following this phase of retreat, the ice sheet margin has not expanded more than 1 km seaward of its present position. This pattern of ice sheet change matches that recorded in Vestfold Hills, providing further evidence that the diminutive Marine Isotope Stage 2 ice sheet advance in the nearby Larsemann Hills may have been influenced by local factors rather than a regional ice-sheet response to climate and sea-level change.

Item Details

Item Type:Refereed Article
Keywords:Cosmogenic; Weathering; 10Be, Ice sheet; Schmidt hammer; Raised beach; Relative sea level
Research Division:Earth Sciences
Research Group:Physical geography and environmental geoscience
Research Field:Geomorphology and earth surface processes
Objective Division:Expanding Knowledge
Objective Group:Expanding knowledge
Objective Field:Expanding knowledge in the earth sciences
UTAS Author:Kiernan, K (Dr Kevin Kiernan)
UTAS Author:McConnell, A (Ms Anne McConnell)
ID Code:57959
Year Published:2009
Web of Science® Times Cited:21
Deposited By:Geography and Environmental Studies
Deposited On:2009-08-27
Last Modified:2010-04-13
Downloads:1 View Download Statistics

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