Journal
QUATERNARY INTERNATIONAL
Volume 164-65, Issue -, Pages 106-112Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.quaint.2006.12.002
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Luminescence dating is used to further constrain the so far controversial age of the mammoth site at Niederweningen, Switzerland. Gamma spectrometric analyses reveal the presence of radioactive disequilibria, in the uranium decay chain in most of the samples but these cause only minor uncertainties in the age estimates. The major uncertainty is actually related to the problem of estimating the average water content for the whole burial time. Nevertheless, even considering these problems involved with dose rate determination the dating results clearly indicate that the peat is significantly younger than Early Wurmian, in contrast to some previous assumptions. Together with the results of radiocarbon dating and pollen analyses, the luminescence ages point to a correlation of the mammoth peat with interstadial conditions during the early part of the Middle Wurmian, at around 45 ka ago. (C) 2007 Elsevier Ltd and INQUA. All rights reserved.
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