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Bedrock channels in Pine Island Bay, West Antarctica

Nitsche, F.O.; Larter, R.D.; Gohl, K.; Graham, A.G.C.; Kuhn, G.. 2016 Bedrock channels in Pine Island Bay, West Antarctica. In: Dowdeswell, J.A.; Canals, M.; Jakobsson, M.; Todd, B.J.; Dowdeswell, E.K.; Hogan, K.A., (eds.) Atlas of Submarine Glacial Landforms: modern, Quaternary and ancient. London, Geological Society of London, 217-218. (Geological Society Memoir, 46).

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Abstract/Summary

The seafloor of inner continental shelves on glaciated margins is sometimes stripped of most of the softer sediments, leaving bedrock exposed (Wellner et al. 2001). Examples of such exposed bedrock regions have been observed in the inner parts of several cross-shelf troughs on the West Antarctica margin, including those in the Amundsen Sea (Lowe & Anderson 2003; Graham et al. 2009) and Marguerite Bay (Anderson & Fretwell 2008). The detailed morphology of these areas consists of various features of glacial origin, predominantly parallel grooves or striations. These areas can also contain sinuous channels that are incised deeply into the rock substrate.

Item Type: Publication - Book Section
Digital Object Identifier (DOI): 10.1144/M46.1
Programmes: BAS Programmes > BAS Programmes 2015 > Palaeo-Environments, Ice Sheets and Climate Change
ISBN: 9781786202680
Date made live: 04 Jan 2017 15:14 +0 (UTC)
URI: http://nora.nerc.ac.uk/id/eprint/513830

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