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Crag and tail features on the Amundsen Sea continental shelf

Nitsche, F.O.; Larter, R.D.; Gohl, K.; Graham, A.G.C.; Kuhn, G.. 2016 Crag and tail features on the Amundsen Sea continental shelf. In: Dowdeswell, J.A.; Canals, M.; Jakobsson, M.; Todd, B.J.; Dowdeswell, E.K., (eds.) Atlas of Submarine Glacial Landforms: Modern, Quaternary and Ancient. London, Geological Society of London, 199-200. (Geological Sociaty Memoir, 46).

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Abstract/Summary

On parts of glaciated continental margins, especially the inner shelves around Antarctica, grounded ice has removed pre-existing sedimentary cover, leaving subglacial bedforms on eroded substrates (Anderson et al. 2001; Wellner et al. 2001). While the dominant subglacial bedforms often follow a distinct, relatively uniform pattern that can be related to overall trends in palaeo-ice flow and substrate geology (Wellner et al. 2006), others are more randomly distributed and may reflect local substrate variations. Here we describe and discuss examples of large, isolated crag-and-tail features that are recognized on the Amundsen Sea continental shelf.

Item Type: Publication - Book Section
Digital Object Identifier (DOI): 10.1144/M46.2
Programmes: BAS Programmes > BAS Programmes 2015 > Palaeo-Environments, Ice Sheets and Climate Change
ISBN: 9781786202680
Date made live: 04 Jan 2017 15:00 +0 (UTC)
URI: http://nora.nerc.ac.uk/id/eprint/513831

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