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Application de la datation radiocarbone à des céramiques archéologiques grises ou noires

Abstract : The pottery shard is an important archaeological material because it is directly related to human activity and is generally well preserved. Its direct analysis by an absolute dating method is sometimes the only way to date an archaeological level. But the essential problem for the use of the radiocarbon dating method lies in the diversity of carbon origins that fossil pottery sherds contain. We studied the contribution of carbon in a ceramic, due to its different components and its method of cooking, by producing, in Neolithic type foci, experimental ceramics that have been analyzed by various processes. In this way we have tried to develop a particular methodology that has been experimented both on experimental vessels and on shards of archaeological pottery. It is found that the best combustion temperature in the laboratory would be 350-400 ° C. It may be that it still persists some contamination of the sherd by an old carbon, whose origin could only be partially elucidated. However, its influence could be reduced if, using a burn temperature of 150-200 ° C, the low yield of extracted carbon was compensated for dating using the new 14C dating method by A.M.S. particle accelerators.
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Submitted on : Friday, April 5, 2019 - 6:47:48 PM
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Martine Gabasio. Application de la datation radiocarbone à des céramiques archéologiques grises ou noires. Archéologie et Préhistoire. Université Claude Bernard - Lyon 1, 1987. Français. ⟨tel-02091580⟩



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