Approche archéologique et expérimentale des structures de combustion au Paléolithique supérieur ancien. Analyse multiscalaire (micromorphologie et géochimie organique) appliquée aux sites de Régismont-le-Haut et des Bossats

Abstract : This study treats a selection of combustion structures from Régismont-le-Haut (Hérault, France) and les Bossats (Seine-et-Marne, France) using a multiscalar approach. These two open- air sites provide an extremely rich archaeological documentation of, respectively, a recent phase of the Aurignacian and an early phase of the Gravettian (among others). Methodologically the study entails treating three scales of analysis, beginning with field data (macroscopic scale), followed by micromorphological investigation (meso- and microscopic scales), and finishing with geochemical analyses (molecular scale). An experimental program was also developed in order to refine our tools for interpreting our archaeological datasets, as well as to propose novel avenues of reflexion. The concomitant application of these complementary approaches and subsequent cross-examination of their respective results underlines the important role of organic matter in the combustion structure sediments. The results obtained allow for a better understanding of fire structure operation and use, as well as the taphonomic evolution. For primary structures questions regarded additional construction of the structures, intensity of use, types of fuel, and their function, while secondary structures brought to the table information regarding maintenance activities. The contextualization of results obtained from these two particularly well-preserved sites allows us to reflect more widely upon the role of combustion structures in the Early Upper Palaeolithic, a period during which pyrotechnology remains a little explored sphere of human behaviour.
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Mathieu Lejay. Approche archéologique et expérimentale des structures de combustion au Paléolithique supérieur ancien. Analyse multiscalaire (micromorphologie et géochimie organique) appliquée aux sites de Régismont-le-Haut et des Bossats. Archéologie et Préhistoire. Université Toulouse - Jean Jaurès, 2018. Français. ⟨tel-01910569⟩

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