The beginning of the Middle Palaeolithic in Western Europe is traditionally associated with the emergence of new, more complex and standardised core technologies, such as Levallois technology. These changes occurred in the archaeological record between MIS 9 and MIS 6. This paper aims to evaluate the processes of technical change at work in Southern France, tracking innovations and persistent behaviours, and potential shifts, to describe the process of transition and compare the Southeast and Southwest of France. We revised several major sites from Ardèche to Dordogne through the technological analysis of seven lithic assemblages in areas rich in good-quality raw materials, mostly flint. Technological analysis shows common features in lithic strategies and industries that can all be attributed to the Early Middle Palaeolithic. The features are a diversity of debitage methods and spatiotemporal management of the chaînes opératoires (ramification and artefact mobility). At the same time, algorithmic methods (Système par Surface de Débitage Alternées: SSDA) continue to be used, in the same way as Large Cutting Tools (LCTs), although they are rare (pebble tools, bifaces and "mixed matrices"). These LCTs are persistent technologies from the Acheulean technocomplex. Gradual mosaic-type changes in the lithic record are particularly well demonstrated through the sequence of Orgnac 3, where a local onset of Levallois core technologies appears to occur.Both in the Southeast and Southwest of France, the Lower to Middle Palaeolithic transition records gradual and asynchronous behavioural changes as early as MIS 9 to MIS 6. These shifts are not only due to increased hominin cognition. Abilities of human groups to adapt to diversified environments and regional cultural processes may also have played a key role. Several lithic technocomplexes coexisted between MIS 9 and 6 in these two areas and although differences in local strategies are obvious, similar trajectories towards MP behaviour can be detected.
Layer 6 of Orgnac 3 corresponds to a cave occupation, dated to the end of MIS 9. It yielded numerous lithic and paleontological remains, and witnesses of diverse hominin activities. This paper aims to consider percussive activities from both lithic material and fauna, according to a technological and traceologicalological analysis. Knapping activities are dominant, based on the presence of hammerstones and retouchers (from bone and lithic materials). Recycling phenomena were also highlighted, with cores used as hammerstones. A flake-bulb presents also typical wear marks due to its use as retoucher (“éclat à bulbe piqueté”). These phenomena are usual during the Middle Palaeolithic and are here presented from the first stages of these lithic techno-complexes. Among the shaped pieces, a chopper bears macro-wear marks typical of use in launched percussion on a non-mineral hard material (bone?). Herbivorous remains present anthropic fractures for marrow extraction, diaphysis fragments being further punctually used as retouchers. Percussive activities have an important role in prehistoric lifeways (knapping activities, acquisition and transformation of raw materials linked to subsistence). The diversity of the percussive tool-kit testifies to a technological specialisation, while recycling shows the hominins adaptive skills to their environment.
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