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QN 144 February 2018 NUMBER 144 FEBRUARY Quaternary Newsletter A publication of the Quaternary Research Association Quaternary Newsletter Vol. 144 February 2018 i QUATERNARY NEWSLETTER EDITOR: Dr A. Stone Geography, School of Environment, Education and Development, The University of Manchester, Arthur Lewis Building, Oxford Road, M13 9PL (e-mail: [email protected]) Instructions to authors Quaternary Newsletter is issued in February, June and October. Articles, reviews, notices of forthcoming meetings, news of personal and joint research projects etc. are invited and should be sent to the Editor. Closing dates for submission of copy (news, notices, reports etc.) for the relevant numbers are 5th January, 1st May and 1st September. These dates will be strictly adhered to in order to expedite publication. Articles must be submitted at least 6 weeks before these dates in order to be reviewed and revised in time for the next issue of QN, otherwise they may appear in a subsequent issue. Suggested word limits are as follows: obituaries (2000 words); articles (3000 words); reports on meetings (2000 words); reports on QRA grants (800 words); reviews (1000 words); letters to the Editor (500 words); abstracts (500 words). Authors submitting work as Word documents that include figures must send separate copies of the figures in .eps, .tif or .jpg format (minimum resolution of 300 dpi is required for accurate reproduction). Quaternary Research Fund and New Researchers Award Scheme reports should limit themselves to describing the results and significance of the actual research funded by QRA grants. The suggested format for these reports is as follows: (1) background and rationale (including a summary of how the grant facilitated the research), (2) results, (3) significance, (4) acknowledgments (if applicable). The reports should not (1) detail the aims and objectives of affiliated and larger projects (e.g. PhD topics), (2) outline future research and (3) cite lengthy reference lists. No more than one figure per report is necessary. Recipients of awards who have written reports are encouraged to submit full-length articles on related or larger research projects NB: Updated guidelines on the formatting of contributions are now available via the QRA webpage and from the editor. © Quaternary Research Association, London 2018. Argraff/Printed by: Gwasg Ffrancon Press BETHESDA Gwynedd, North Wales Tel: 01248 601669 Fax: 01248 602634.­­ All rights reserved. No part of this publication may be reprinted or reproduced or utilised in any form or by any means, now known or hereafter invented, including photocopying and recording, or in any storage system, without permission in writing from the publishers. COVER PHOTOGRAPH Late Glacial sediments from Starr Carr human occupation site (see field report of The Quaternary of the Vale of Pickering field meeting inside this issue) (Photo credit Chris Darvill) ii Quaternary Newsletter Vol. 144 February 2018 SPOTLIGHT ON A SITE QRA50: TOP 50(80) QUATERNARY SITES – SPOTLIGHT ON A SITE: PEGWELL BAY, KENT At the start of 2018 we celebrate the life of dear departed colleagues in 2017, including Martin Aitken, John Catt and Brian Sissons, for whom entries will appear in the June 2018 edition of the QN. I note briefly, that the site of Sewerby raised beach, covered in QN 143 (October 2017) provides a link between Martin and John, the former who is owed so much for the development of luminescence dating, and the latter who published on this site in 1996 in JQS 11, 389-395. In the June edition of QN, we will set out, on paper, for the Parallel Roads of Glen Roy, a site at which Brian provided crucial insights. In this edition we visit Pegwell Bay in Kent, a site nominated by John Catt (and Julian Murton) as a note of thanks to John and his tremendous contributions to Quaternary Science and the QRA. Photo 1 A northward view of a cross section at Pegwll Bay. (Photo: J. Murton). Here is a summary of the entry for Pegwell Bay, Kent, from Silva and Phillip (2015, p76-77): • This site contains a rich variety of periglacial sediments and structures, providing important insights into cold-climate processes during the Devensian. • An involuted layer represents a cryostratigraphic marker horizon, formed by freeze-thaw during the Late Devensian (a feature that is widespread in the chalklands of Lowland Britain). • Above this is a layer of Loess, up to 3 m thick, attributed to windblown silt, estimated to be 18 – 15 ka. Quaternary Newsletter Vol. 144 February 2018 1 • Figure 1 shows a stratigraphy (from base upwards) of disturbed chalk bedrock, brown flinty-diamicton (1-2 m thick), pebbly silty loam (5 m thick), flinty gravel (0.5 m thick), silty loam (loess, 2m thick) and at the eastern edge silty slopewash deposits that contain a buried mid-Holocene palaeosol. References (and key sources for the site) Kerney, M.P. (1965). Weichselian deposits on the Isle of Thanet, east Kent. Proceedings of the Geologists’ Association, 76, 269–274. Murton, J.B. (1996). Near-surface brecciation of Chalk, Isle of Thanet, southeast England: a comparison with ice-rich brecciated bedrocks in Canada and Spitsbergen. Permafrost and Periglacial Processes, 7, 153–164. Murton, J.B., Bateman, M.D., Baker, C.A., Knox. R., Whiteman, C.A. (2003). The Devensian periglacial record on Thanet, Kent, UK. Permafrost and Periglacial Processes, 14, 217–246. Murton, J.B., Baker, C.A., Bateman, M.B. and Whiteman, C.A. (1998). Pegwell Bay, Cliffsend (TR 354644–362642). In (Murton, J.B., Whiteman, C.A., Bates, M.R., Bridgland, D.R., Long, A.J., Roberts, M.B. & Waller, M.P.; eds) The Quaternary of Kent and Sussex: Field Guide. Quaternary Research Association, London, 35–38. Shephard-Thorn, E.R. (1977). Pegwell Bay. In Guidebook for Excursion A5, Southeast England and the Thames Valley, E. R. Shephard-Thorn and J.J. Wymer (eds), International Union for Quaternary Research, X Congress, pp. 54–58. Weir, A.H., Catt, J.A., Madgett, P.A. (1971). Postglacial soil formation in the loess of Pegwell Bay, Kent (England). Geoderma, 5, 131–149. Wintle, A.G., Catt, J.A. (1985). Thermoluminescence dating of soils developed in Late Devensian loess at Pegwell Bay, Kent. Journal of Soil Science, 36, 293–298. 2 Quaternary Newsletter Vol. 144 February 2018 JAMES CROLL AWARD JAMES CROLL MEDAL - JAN MANGERUD The James Croll Medal is the highest award of the QRA and is named in honour of James Croll (1821-1890). Croll is most closely associated with fundamental work on the astronomical theory of the ice ages, but he also made seminal contributions on the glacial geology of Scotland, on the mechanisms that drive ocean circulation and the impact of that circulation on recent climate, on tidal theory and the rotation of the Earth. These are all major issues that occupy Quaternary scientists to this day. Croll was effectively self-taught. His work and example demonstrate that any individuals from all backgrounds can rise to national eminence and generate science of lasting and major international impact, that it is not who you are or where you come from but what you do that is important. These are the qualities that the QRA seeks to celebrate in the award of the James Croll Medal. The Medal is therefore normally awarded to a member of the QRA who has not only made an outstanding contribution to the field of Quaternary science, but whose work has also had a significant international impact. This year, the QRA is delighted to make the Award to Professor Jan Mangerud. Jan is one of the world’s leading Quaternary scientists. In a research career spanning over 50 years he has published extensively on the Quaternary history of Scandinavia, the Eurasian Arctic and the northern North Atlantic. He has been a leading figure in geochronology, and contributed to major landmark international research projects including QUEEN (Quaternary Environment of the Eurasian North) and PONAM (Polar North Atlantic Margins) (see below). His most highly cited paper (1234 citations in Google Scholar) is one of his earliest (Mangerud et al., 1974) which outlined a Quaternary stratigraphic scheme for northern Europe, and which has influenced debates on stratigraphic subdivision of the Lateglacial over the last four decades. Equally significant has been his work on geochronology; he was one of the first Quaternary scientists to attempt a quantification of the reservoir effect in marine shell dates (Mangerud and Gulliksen, 1975), a subject that he has returned to in subsequent papers (e.g. Bondevik et al., 2006), and he was also a key member of the research team that generated the high-resolution radiocarbon chronology for the Late-glacial-Holocene boundary at the famous Kråkenes site in western Norway. More recently, he has been among the first to apply cosmogenic isotope dating to glaciated sites in Norway (Briner et al., 2016). A third significant contribution, and one that relates to geochronology, was the discovery of Icelandic tephra in western Norway, and much of the impetus Quaternary Newsletter Vol. 144 February 2018 3 Jan Mangerud receiving the medal from QRA President Prof. Neil Glasser (photo Adrian Palmer). for the tephrochronological investigations in northern and western Europe over the past two decades can be traced back to his landmark publication (Mangerud et al., 1984) on the Vedde Ash. A fourth avenue of his research is his pioneering work with colleagues in the Arctic regions of Europe and Asia. Prior to the 1990s, relatively little was known about the Quaternary history of northern Eurasia and western Russia but, through a series of international research programmes (PONAM: Polar North Atlantic Margins, Late Cenozoic Evolution; PALE: Palaeoclimate of Arctic Lakes and Estuaries; and QUEEN: Quaternary Environment of the Eurasian North) major new insights were gained into the extent and chronology of the Barents-Kara ice sheet (Mangerud et al., 2002), and the glacial drainage patterns associated with it (Mangerud et al., 2004).
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