Terminal moraines in the fjord basins of sub-Antarctic South Georgia

Graham, A.G.C.; Hodgson, D.A. ORCID: 2016 Terminal moraines in the fjord basins of sub-Antarctic South Georgia. In: Dowdeswell, J.A.; Canals, M.; Jakobsson, M.; Todd, B.J.; Dowdeswell, E.K.; Hogan, K.A. ORCID:, (eds.) Atlas of submarine glacial landforms: modern, Quaternary and ancient. London, Geological Society of London, 67-68. (Geological Society Memoir, 46).

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Sub-Antarctic South Georgia (54° 17′ S, 36° 30′ W, 3755 km2) is a large heavily glacierized island that is 170 km long, 39 km wide and rises to elevations of 2934 m. The island has extensive evidence of past glacial expansion with moraines preserved on land (Bentley et al. 2007), in the fjords (Hodgson et al. 2014) and in glacial troughs that extend 60–100 km to the edge of the continental shelf where some terminate in trough-mouth fans (Graham et al. 2008). A paucity of chronological control means that, at present, it is not possible to identify which of these sets of features mark the limit of a more extensive ice cap from the Last Glacial Maximum (LGM).

Item Type: Publication - Book Section
Digital Object Identifier (DOI):
Programmes: BAS Programmes > BAS Programmes 2015 > Palaeo-Environments, Ice Sheets and Climate Change
ISBN: 9781786202680
Date made live: 04 Jan 2017 14:10 +0 (UTC)

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