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A Comparison of Bone Pretreatment Methods for AMS Dating of Samples >30,000 BP

  • Sahra Talamo (a1) and Mike Richards (a2)

Abstract

Bone is a commonly used material for radiocarbon dating, yet at ages close to the limit of the method (>30,000 BP), it is a substantial challenge to remove contamination and produce accurate ages. We report here on the preliminary results of a dating study of 2 bones older than 30,000 yr, which were each treated with a suite of pretreatment procedures, including ultrafiltration (Brown et al. 1988). Substantial differences in the 14C ages were observed, which is most likely linked to crucial steps in the removal of contamination both in the bone and in the laboratory. Using a comprehensive sequence of pretreatment procedures, including ultrafiltration, we obtain generally older ages.

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Copyright

Corresponding author

Corresponding author. Email: sahra_talamo@eva.mpg.de.

References

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A Comparison of Bone Pretreatment Methods for AMS Dating of Samples >30,000 BP

  • Sahra Talamo (a1) and Mike Richards (a2)

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