Aeolian stratigraphy and thermoluminescence dating of sediments of late Holocene age from Sola, southwest Norway |
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| Authors: | LOTTE SELSING VAGN MEJDAHL |
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| Institution: | Museum of Archaeology, Stavanger. National Research Centre for Paleostudies and Conservation, P.O. Box 478, N-4001 Stavanger, Norway;Nordic Laboratory for Luminescence Dating, Department of Earth Sciences, University of Aarhus, DK-8000 Aarhus, Denmark |
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| Abstract: | Thermoluminescence age determinations were performed on four aeolian sand samples of late Holocene scenceagesediments from Stavanger airport, Sola, in southwest Norway. The locality is well suited for testing thermoluminescence dating because of a good agreement between radiocarbon ages and age information based on archaeological typology and sea level changes. The conclusion from a comparison of thermoluminescence and archaeologicaltypologyradiocarbon dates is that it is possible to date well bleached sediments as young as 1600 years with thermoluminescence (TL). The TL dates for the aeolian deposits are in accord with expected ages. Six formal, diachronous aeolian/non-aeolian phases are defined and grouped together as the Sola Episode. The first phase onousaeolian/non-aeolianof aeolian activity was short-lasting and took place in the middle Subboreal chronozone. A second and lianactivitywaslong-lasting period, dominated by aeolian activity, took place from the transition between the Subboreal and Subatlantic chronozones until the present. We conclude that human activities were the releasing factor for the aeolian activity recorded in sand sheets. |
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