![]() La démarche géoarchéologique employée consiste à tester en plusieurs étapes l’hypothèse d’une dégradation des ensembles de mobilier par les processus naturels. intégrité spatiale et matérielle, homogénéité). (FR) A partir d’une sélection de travaux réalisés depuis une dizaine d’années dans des contextes géomorphologiques et stratigraphiques variés, cette thèse illustre les apports et limites de la taphonomie des sites préhistoriques principalement formés d’une ou plusieurs nappes de mobilier, dans le but de contribuer à l’évaluation de leur état de conservation (i.e. Finally, in vivo experiments such as the one currently being conducted in Villard-de-Lans (Isère, France) allow us to better document and quantify the impact of the different natural processes involved in the formation of sites. The time required to master and apply these tools, the collective effort to synthesize the results and the complexity of the archaeological record appear as the main factors limiting the taphonomy of material remains. This study also suggests some reasons for the global underutilisation of the main tools for carrying out this approach (such as studies of the spatial or particle size distribution of the lithic artifacts, of their surface state, or fabrics analysis). The geoarchaeological approach consists in determining, over several steps, if artifact assemblages were degraded by natural processes. spatial and material integrity, homogeneity). ![]() Based on a selection of works carried out over the last ten years in various geomorphological and stratigraphic contexts, this thesis illustrates the contributions and limitations of the taphonomy of prehistoric sites that are mainly formed by one or more levels of objects, in order to contribute to the assessment of their state of preservation (i.e. ![]() (ENG) Geoarchaeological approach to the formation of prehistoric sites : feedback and methodological reflections.
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