Large sediment drifts on the upper continental rise west of the Antarctic Peninsula

Larter, R.D. ORCID:; Hogan, K.A. ORCID:; Dowdeswell, J.A.. 2016 Large sediment drifts on the upper continental rise west of the Antarctic Peninsula. 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, 401-402. (Geological Society Memoir, 46).

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Large sediment mounds on the continental rise around Antarctica have been interpreted as sediment drifts formed through interaction of downslope transport of mainly glacially derived sediments with alongslope bottom currents (Rebesco et al. 1996). Large sinuous channels between drifts represent turbidity current pathways that are probably most active during glacial periods. Drift sediments are mainly silt and clay, interpreted as fine-grained components of turbidity currents, entrained and redistributed by ambient bottom currents (Barker et al. 1999). ‘Drift 5’, west of the Antarctic Peninsula, is described here as an example of a large sediment drift (Fig. 1a).

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: 09 Jan 2017 13:29 +0 (UTC)

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