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Is X-ray core scanning non-destructive? Assessing the implications for optically stimulated luminescence OSL dating of sediments



Is X-ray core scanning non-destructive? Assessing the implications for optically stimulated luminescence OSL dating of sediments



JQS. Journal of Quaternary Science 25.3



Optically stimulated luminescence (OSL) dating is widely used to date clastic deposits, including those collected by coring. X-ray scanning of cores has become popular because of the rapidly acquired, high-resolution information it gives about optical, radiographic and elemental variations. Additionally, X-ray scanning is widely viewed as a non-destructive method. However, such instruments use an intense X-ray beam that irradiates the split core to enable both X-radiographic and X-ray fluorescence (XRF) analysis. This irradiation will influence the optically stimulated luminescence signal in the sediments. This study determines the radiation dose delivered to sediments in a core during an X-ray scan, and assesses the implications for studies wishing to combine X-ray scanning and OSL dating. Abstract Copyright (2010), Wiley Periodicals, Inc.

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Accession: 037086486

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DOI: 10.1002/jqs.1329


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