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Differentiating Bone Osteonal Turnover Rates By Density Fractionation; Validation Using the Bomb 14C Atmospheric Pulse

Published online by Cambridge University Press:  18 July 2016

Ji Young Shin ,
Tamsin O'Connell ,
Stuart Black  and
Robert Hedges
Ji Young Shin
Affiliation:
Research Laboratory for Archaeology, University of Oxford, 6 Keble Road, Oxford, UK, OX1 3QJ Email: ji.shin@arch.ox.ac.uk
Tamsin O'Connell
Affiliation:
Research Laboratory for Archaeology, University of Oxford, 6 Keble Road, Oxford, UK, OX1 3QJ
Stuart Black
Affiliation:
School of Human and Environmental Sciences, University of Reading, Whiteknights, Reading, PO Box 227, RG6 6AB
Robert Hedges*
Affiliation:
Research Laboratory for Archaeology, University of Oxford, 6 Keble Road, Oxford, UK, OX1 3QJ
*
Corresponding author. Email: robert.hedges@archaeology-research.oxford.ac.uk.
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Abstract

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The density (BSG) of bone increases, at the osteon scale, during lifetime aging within the bone. In addition, post-mortem diagenetic change due to microbial attack produces denser bioapatite. Thus, fractionation of finely powdered bone on the basis of density should not only enable younger and older populations of osteons to be separated but also make it possible to separate out a less diagenetically altered component. We show that the density fractionation method can be used as a tool to investigate the isotopic history within an individual's lifetime, both in recent and archaeological contexts, and we use the bomb 14C atmospheric pulse for validating the method.

Type
Part II
Information
Radiocarbon , Volume 46 , Issue 2: Proceedings of the 18th International Radiocarbon Conference (Part 2 of 2), Conference Editors: Nancy Beavan Athfield, Rodger J Sparks , 2004 , pp. 853 - 861
Copyright
Copyright © The Arizona Board of Regents on behalf of the University of Arizona 

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