期刊
QUATERNARY GEOCHRONOLOGY
卷 30, 期 -, 页码 529-534出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.quageo.2015.06.002
关键词
Chronology; ESR/U-series; Neandertal; Middle Palaeolithic; Rhone valley; France
资金
- collective research program (PCR) Espaces et subsistance au Paleolithique moyen dons le sud du Massif central - French Ministry of Culture (DRAC Auvergne) [175-09-01, 017500200201]
The establishment of a chronology for late Middle Palaeolithic sites on the right bank of the Rhone valley in southeastern France is important for the knowledge of Neandertal dynamics and their demise in this area. The suite of dating methods that are directly applicable to fossils is limited for this period, especially around 50 ka where radiocarbon dating is beyond its technical limits. Currently applied to Middle and Lower Pleistocene periods, the use of combined ESR/U-series dating on Upper Pleistocene samples led to new issues, such as the acquisition of an age for samples yielding low equivalent doses and low uranium content in dental tissues. The gamma dose rate measurement thus plays a key role in age calculation. Beyond the discussion on methodological issues, the present study contributes to the establishment of a chronological framework that covers the Neandertal occupations between MIS 5 and MIS 3 for this area. (C) 2015 Elsevier B.V. All rights reserved.
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