Implications of burial alterations on luminescence dating of archaeological ceramics |
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| Institution: | 1. Gruppe Archäometrie, Institut für Strahlen- und Kernphysik der Universität Bonn, Nussallee 14-16, D 53115 Bonn, Germany;2. Laboratory of Archaeometry, Institute of Materials Science, NCSR Demokritos 15 310 Aghia Paraskevi, Attiki, Greece;3. ERAUB, Departament de Prehistòria, Història Antiga i Arqueologia, Universitat de Barcelona, C/de Baldiri i Reixac, s/n, E-08028 Barcelona, Catalonia, Spain;1. School of Environment, Education and Development, University of Manchester, M13 9PL, United Kingdom;2. SoGE, University of Oxford, OX1 3QY, United Kingdom;3. Department of Geography, University of Sheffield, Winter St., Sheffield, S10 2TN, United Kingdom;1. CEREGE, UMR CNRS-Aix Marseille Université 6635, Technopôle de l''Arbois BP 80, 13545 Aix-en-Provence Cedex 4, France;2. Department of Anthropology, Whitman College, Walla Walla, WA 99362, USA;3. Institute of Geography, Heidelberg University, Heidelberg D-69120, Germany;4. Department of Classics and Ancient History, University of Western Australia, Crawley, WA 6009, Australia;5. Faculty of Geology and the Geoenvironment, University of Athens, Ilissia, 15784 Athens, Greece;6. Oriental Institute, University of Chicago, Chicago, IL 60637, USA;7. University of East Anglia, Norwich NR4 7TJ, UK;1. Eveha – Etudes et valorisations archéologiques, 24 avenue des Bénédictins, F – 87000 Limoges, France;2. CEPAM UMR7264 – CNRS – UNS 24, Pôle Universitaire Saint Jean d''Angély, SJA 3, 24 avenue des Diables Bleus, F-06357 Nice Cedex 4, France;1. Faculty of Environmental Science and Engineering, Babes-Bolyai University, Cluj-Napoca, Romania;2. Interdisciplinary Research Institute on Bio-Nano-Sciences, Babes-Bolyai University, Cluj-Napoca, Romania;3. Nordic Laboratory for Luminescence Dating, Department of Geoscience, Aarhus University, DTU Risø Campus, Roskilde, Denmark;4. Center for Nuclear Technologies, Technical University of Denmark, DTU Risø Campus, Roskilde, Denmark;5. Soil Geography and Landscape Group and the Netherlands Centre for Luminescence Dating, Wageningen University, Wageningen, The Netherlands;6. Faculty of Physics, Babes-Bolyai University, Cluj-Napoca, Romania;7. Geological Survey of Israel, Jerusalem, Israel;8. Key Laboratory of Cenozoic Geology and Environment, Institute of Geology and Geophysics, Chinese Academy of Sciences, Beijing, China;9. Institute of Geography and Earth Sciences, Aberystwyth University, Aberystwyth, UK;10. McDonald Institute for Archaeological Research, University of Cambridge, Cambridge |
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| Abstract: | Recent mineralogical studies on archaeological pottery samples report significant variations in alkali metal concentrations due to environmental alterations during burial. Here we examine the effects of potassium (K) leaching on luminescence dating. The effect on the estimation of the dose rate is studied by considering four models of leaching (exponential, linear, early and late) and their impact on fine- and coarse-grain dating are calculated. The modeling approaches are applied to two cases of pottery in which evidence for alteration was found. Additionally, TL dating performed on pottery of one of the studied cases, indicates the importance of leaching effects on absolute dating measurements. |
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