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Chronology of plaggic deposits: palynology, radiocarbon and optically stimulated luminescence dating of the Posteles (NE-Netherlands) van Mourik, J.M.; Slotboom, R.T.; Wallinga, J. General rightsIt is not permitted to download or to forward/distribute the text or part of it without the consent of the author(s) and/or copyright holder(s), other than for strictly personal, individual use, unless the work is under an open content license (like Creative Commons). Disclaimer/Complaints regulationsIf you believe that digital publication of certain material infringes any of your rights or (privacy) interests, please let the Library know, stating your reasons. In case of a legitimate complaint, the Library will make the material inaccessible and/or remove it from the website. Please Ask the Library: http://uba.uva.nl/en/contact, or a letter to: Library of the University of Amsterdam, Secretariat, Singel 425, 1012 WP Amsterdam, The Netherlands. You will be contacted as soon as possible.

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A pollen diagram of a calcareous travertine bed near Kirf (West Germany) shows a tripartition of the Allerød chronozone. In northwestern and central‐European diagrams this is not an uncommon phenom‐enon. Arguments supporting a deduced climatic oscillation may also be derived from the average ice recession in southern Sweden, the Coleoptera assemblages in northwestern England, the isotope 180/16O curve from the Gerzensee in Switzerland, and the Camp Century Ice Core in Greenland. The included sandy Laachcr See ash may suggest explosive volcanism again to be somehow related to inferred climatic changes.