Deglaciation of the southeastern Norwegian Sea towards the end of the last glacial age |
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| Authors: | KJELL R. BJØ RKLUND,JØ RN THIEDE,HANS HOLTEDAHL |
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| Affiliation: | Institute of Geology, Dept. B, University of Bergen, Allégate 41, N-5014 Bergen-Universitet, Norway;Institute of Geology, University of Oslo, P.O. Box 1047, Blindern, Oslo 3, Norway |
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| Abstract: | In a region of generally thin Holocene sediment cover along the outer Norwegian continental margin, a 565 cm long piston core was taken, which contained more than 4 m of Holocene clayey silty sediments. A several decimetres thick sandy horizon separated the glacial marine clays with ice-dropped components and the fine-grained Holocene sediments which have bulk sedimentation rates of more than 40 cm/1000 years. The scarcity of biogenous sediment components in the glacial sediments and the increasing frequency of benthonic as well as planktonic fossils in the Holocene deposits points to important changes in the Norwegian Sea hydrography during the time of the Scandinavian deglaciation. |
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