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Stable strontium isotopic ratios from archaeological organic remains from the Thorsberg peat bog

Authors

  • Claus von Carnap-Bornheim,

    1. Archäologisches Landesmuseum, Stiftung Schleswig-Holsteinische Landesmuseen Schloß Gottorf, 24837 Schleswig, Germany
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  • Marie-Louise Nosch,

    1. The National Danish Research Foundation's Centre for Textile Research, The SAXO Institute, University of Copenhagen, Njalsgade 102, 2300 Copenhagen S, Denmark
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  • Gisela Grupe,

    Corresponding author
    1. Staatssammlung für Anthropologie und Paläoanatomie, Karolinenplatz 2a, 80333 München, Germany
    2. Department I für Biologie, Bereich Biodiversitätsforschung/Anthropologie, LMU München, Grosshaderner Str. 2, 82152 Martinsried, Germany
    • Department I für Biologie, Bereich Biodiversitätsforschung/Anthropologie, LMU München, Grosshaderner Str. 2, 82152 Martinsried, Germany.
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  • Anna-Maria Mekota,

    1. Department I für Biologie, Bereich Biodiversitätsforschung/Anthropologie, LMU München, Grosshaderner Str. 2, 82152 Martinsried, Germany
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  • Mike M. Schweissing

    1. Staatssammlung für Anthropologie und Paläoanatomie, Karolinenplatz 2a, 80333 München, Germany
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Abstract

Stable strontium isotope ratios in archaeological finds have frequently been used to determine their place of origin, in order to reconstruct migration and trade. Peat bogs offer favourable burial conditions for the preservation of organic remains such as woollen textiles and leather by a natural tanning process. However, these finds are impregnated by peat substances including contaminant strontium which is likely to mask the original 87Sr/86Sr isotopic ratio of the specimens. In this paper, we present a pilot study analysing stable strontium isotopic ratios from Iron Age textile and leather finds from the Thorsberg peat bog, focusing on a sample processing method which permits the quantitative removal of contaminating strontium from the specimens. Copyright © 2007 John Wiley & Sons, Ltd.

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