Southeastern France is a particular area as regards the late upper Palaeolithic as it lies between the northwestern prehistoric domain on one side, and the Mediterranean and eastern one on the other side; between the Solutrean-Badegoulian-Magdalenian-Azilian sequence and the Epigravettian one. This PhD work focuses on the techno-economic study of lithic industries originating from the Liguro-Provencal corridor, an area weakly-known for its upper Paleolithic industries. The aim is to re-assess in detail the evolution of technical traditions from the end of the Gravettian (circa 23 000 cal. BCE) to the beginning of the Mesolithic (circa 9 500 cal. BCE).This work addresses two primary objectives : (1) The Chronological framework. The industries studied are replaced in a newly defined chronocultural model. To do so, the results of the techno-economic studies and radiocarbon dates are combined and discussed in parallel with a synthesis of existing knowledge concerning the Epigravettian.(2) Mobility patterns and raw material provisioning strategies. The regional background is a particu¬larly favorable research context due to intrinsic factors (a compartmentalized geological domain and a constraining geographical area) and extrinsic ones (intensive research conducted since the 1980’s on lithic raw material availabilities). The results obtained are then mobilized to infer on ter¬ritorial organization and its evolution through time.
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