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Giant sediment drifts on the continental rise west of the Antarctic Peninsula

Rebesco, Michele; Larter, Robert D.; Camerlenghi, Angelo; Barker, Peter F.. 1996 Giant sediment drifts on the continental rise west of the Antarctic Peninsula. Geo-Marine Letters, 16 (2). 65-75. 10.1007/BF02202600

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Abstract/Summary

Multichannel seismic reflection profiles from the continental rise west of the Antarctic Peninsula between 63° and 69°S show the growth of eight very large mound-shaped sedimentary bodies. MCS profiles and long-range side-scan sonar (GLORIA) images show the sea floor between mounds is traversed by channels originating in a dendritic pattern near the base of the continental slope. The mounds are interpreted as sediment drifts, constructed mainly from the fine-grained components of turbidity currents originating on the continental slope, entrained in a nepheloid layer within the ambient southwesterly bottom currents and redeposited downcurrent.

Item Type: Publication - Article
Digital Object Identifier (DOI): 10.1007/BF02202600
Programmes: BAS Programmes > Pre 2000 programme
ISSN: 0276-0460
Additional Keywords: marine surveys, seismic
Date made live: 29 Nov 2016 08:38 +0 (UTC)
URI: http://nora.nerc.ac.uk/id/eprint/515265

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