Comparison of accelerator and radiometric radiocarbon measurements obtained from Late Devesian Lateglacial lake sediments from Llyn Gwernan, North Wales, UK |
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| Authors: | J JOHN LOWE STEPHEN LOWE ALISON J FOWLER ROBERT E M HEDGES TIM J F AUSTIN |
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| Institution: | Quaternary Research Unit, City of London Polytechinc, Geography Department, Old Castle Street, London, E1 7NT*;Radiocarbon Accelerator Unit, Research Laboratory for Archaeology and the History of Art, University of Oxford, 6 Keble Road, Oxford, OX1 3 Q J;School of Environmenal Sciences, University of East Anglia, Norwich |
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| Abstract: | Accelerator mass spectrometry measures of the radiocarbon activity of various chemical fractions prepared from Late Devensian Lateglacial lake sediments from the site of Llyn Gwernan, near Cader Idris, North Wales are presented and assessed. These are compared with radiocarbon measurements obtained by radiometric (decay) counting which were reported earlier from the same site and are considered in the light of pollen-stratigraphic information. The potential advantages of accelerator radiocarbon measurements to the assessment of the chronology and correlation of Lateglacial lake sediments are evaluated. |
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