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Communication Dans Un Congrès Année : 2022

An original contribution to document some Khmer bronze statues : analysis and radiocarbon dating of their iron backbone

Résumé

In 1964, a set of 53 Buddhist bronze statues were discovered at Prakhon Chai (Buriram province, Thailand) without any indication of the origin of the statues nor the reason of their presence. The stylistic study of some of them suggested that they could have different geographical origins within a chronology ranging from the seventh to the ninth century. Such a hoard constitutes an invaluable source of historical information that is worth investigating beyond the stylistic assessment. Yet all the statues were lost-wax cast in copper alloy and reinforced with internal iron armatures for the largest ones. As demonstrated for several years by the authors, a methodological approach combining metallographic observations, chemical analysis of slag inclusions and radiocarbon dating of the iron can deliver technological and chronological outcomes. As part of the IRANGKOR project, which focuses on the production and use of iron in the areas of Cambodia and northeastern Thailand, we then proposed to focus on the iron made armatures that are not used to be considered as a critical data for that kind of art object. We will present the approach specifically developed for the 14C dating of such valuable objects and the decisive results obtained for four bronze statues from the Prakhon Chai hoard. Beyond the expected comparison with the chronology that has been suggested from stylistic indicators, the radiocarbon dates are also intended to be reinvested in a broader framework of comparison of data, by confronting them with the metallurgical observations previously obtained within the IRANGKOR project.
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Dates et versions

hal-03920904 , version 1 (03-01-2023)

Identifiants

  • HAL Id : hal-03920904 , version 1

Citer

Emmanuelle Delque-Količ, Stéphanie Leroy, Enrique Vega, Brice Vincent, Forrest Mcgill, et al.. An original contribution to document some Khmer bronze statues : analysis and radiocarbon dating of their iron backbone. 24th Radiocarbon - 10th Radiocarbon & Archaeology International Conferences, Sep 2022, Zurich, Switzerland. ⟨hal-03920904⟩
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