Early Ipswichian (last interglacial) sea level rise in the channel region: Stone Point Site of Special Scientific Interest,Hampshire, England |
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| Authors: | Rebecca M Briant Martin R Bates Steve Boreham Nigel G Cameron G Russell Coope Michael H Field B Marcus Hatch Jonathan A Holmes David H Keen Aiobhean A Kilfeather Kirsty EH Penkman Rianne MJ Simons Jean-Luc Schwenninger Francis F Wenban-Smith Nicola J Whitehouse John E Whittaker |
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| Institution: | 1. Department of Geography, Birkbeck, University of London, Malet Street, London, WC1E 7HX, UK;2. School of Archaeology, History and Anthropology, University of Wales Trinity Saint David, Lampeter Campus, Ceredigion, SA48 7ED, Wales, UK;3. Department of Geography, University of Cambridge, Downing Place, Cambridge, CB2 3EN, UK;4. Environmental Change Research Centre, University College London, Pearson Building, Gower Street, London, WC1E 6BT, UK;5. Faculty of Archaeology, Leiden University, P.O. Box 9515, 2300 RA Leiden, The Netherlands;6. School of Geography, Queen Mary, University of London, Mile End Road, London, E1 4NS, UK;7. BioArCh, Department of Chemistry, University of York, YO10 5DD, UK;8. Research Laboratory for Archaeology and the History of Art, Dyson Perrins Building, South Parks Road, Oxford, OX1 3QY, UK;9. Department of Archaeology, University of Southampton, Southampton, SO17 1BF, UK;10. School of Geography, Earth and Environmental Science, University of Plymouth, Drake Circus, Plymouth, Devon PL4 8AA, UK;11. Department of Earth Sciences, Natural History Museum, Cromwell Road, London, SW7 5BD, UK |
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| Abstract: | Constraining the speed of sea level rise at the start of an interglacial is important to understanding the size of the ‘window of opportunity’ available for hominin migration. This is particularly important during the last interglacial when there is no evidence for significant hominin occupation anywhere in Britain. There are very few finer grained fossiliferous sequences in the Channel region that can be used to constrain sea level rise and they are preserved only to the north of the Channel, in England. Of these, the sequence at Stone Point SSSI is by far the most complete. Data from this sequence has been previously reported, and discussed at a Quaternary Research Association Field Meeting, where a number of further questions were raised that necessitated further data generation. In this paper, we report new data from this sequence – thin section analysis, isotopic determinations on ostracod shells, new Optical Stimulated Luminescence ages and Amino Acid Recem analyses. These show early sea level rise in this sequence, starting during the pre-temperate vegetation zone IpI, but no early warming. The implications of this almost certainly last interglacial sequence for the human colonisation of Britain and our understanding of the stratigraphic relationship of interglacial estuarine deposits with their related fluvial terrace sequences is explored. |
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| Keywords: | AAR OSL Interglacial sequence Sea level Estuary |
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