Palaeoenvironments and changes in relative sea level during the last interglaciation at Langelandselv, Jameson Land, East Greenland |
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| Authors: | HENRIK VOSGERAU SVEND FUNDER MICHAEL KELLY KAREN LUISE KNUDSEN CHRISTIAN KRONBORG HANNE BIRGIT MADSEN HANS PETTEK SEJRUP |
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| Institution: | Geological Institute, University of Copenhagen, Øster Voldgade, 10, DK-1350 Køhenharn K. Denmark;Geological Museum, Øster Voldgade 5–7, DK-1350 Kobenhavn K. Denmark;Lancaster University, Division of Environmental Science, Lancaster LAI 4YQ, England;Geological Institute, University of Aarhus, DK-8000 ATrhus C, Denmark;Department of Geology, University of Bergen, N-5007 Bergen, Norway |
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| Abstract: | Coastal cliffs and stream cut sections at Langelandselv on Jameson Land show a 22 m thick sedimentary succession reflecting the development of shallow marine and fluvial environments during the last interglaciation. The shallow marine sediments were deposited in upper shoreface, back-barrier, and delta environments during a rise in the relative sea level from 0 to 18 m. The interglacial succession ends with glaciotectonically dislocated fluvial sand, and is capped by alternating beds of lodgement till and fluvial sand, deposited during the Early Weichselian. The age is determined by palacoceanographic correlation of molluse and foraminifer faunas with isotopic substage 5e in the deep sea record, supported by luminescencs and U/Th dates and amino acid analysis. |
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