From 1989 to 1991, a rescue-dig took place at Poses, «Le Vivier- Le Clos-Saint-Quentin». The area studied is situated on the flood-plain, which explains in this place important alluvial deposits, and consequently exceptionnal conservation of neolithic and chalcolithic seulement levels. On four hectares, the excavation has induced the study of seven settlements and also secondary areas (particularly combustion structures of polynesian type and accumulation of blocks of sandstone). The two oldest settlements belong to the «post-rubané» cultures (Villeneuve-Saint-Germain, Cerny) and the five others to the chalcolithic cultures. The most important resuit concerns, on one hand, the first neolithisation of the country and, on the other hand, the development of a chrono-cultural framework for the Late Neolithic - Early Bronze Age transition. The excavations have shown the existence of original late neolithic features (assemblages 3 and 4), have confirmed the large impact of Bell Beakers espansion in a late time in the Lower Valley of the Seine River and their evolution (assemblages 5 and 6), and finally have allowed to discover an unknown chalcolithic feature (assemblage 7). This operation enables us also to approach the theme of the development of marginal lands in areas liable to flooding.
Les fouilles menées sur les tracés des autoroutes A28 et A29 ont mis au jour deux gisements du Paléolithique moyen (-300 000 --30 000), au Pucheuil et à Ettouteville (Haute-Normandie), livrant d'importantes séries lithiques qui ont fait l'objet de nombreux remontages.Au Pucheuil, deux occupations humaines, en contexte de doline, se singularisent par des traditions techniques particulières qui relèvent toutefois d'un même système de production, le débitage Levallois. Ce dernier, associé à une conception volumétrique des nucléus similaires à celles du Paléolithique supérieur, caractérise aussi la production laminaire d'Etoutteville. L'analyse spatiale des ensembles remontés de ce site l'identifie comme atelier de débitage.Ces résultats, enrichis par une présentation du cadre géomorphologique et stratigraphique, constituent une contribution solide à la connaissance de la Préhistoire de l'Europe du Nord-Ouest.The excavations carried out on the lines of the A28 an A29 motorways have brought to light two sites from the Middle Palacolithic (-300 000 --30 000). The desposits at Pucheuil and at Etoutteville (Haute-Normandie) yielded important lithic series with numerous reassemblies of waste flakes.At Pucheuil, two human occupations were observed in the context of a doline. They ear individualized by their particular technological traditions which both stem from the santé chain of production : the Levallois technique. This, in association with a volumetric conception of the nucleus which resembles those of the Upper Palaeolithic, characterises the laminar production of Etoutteville. The spatial analysis of the reassembled groups of material identify the site as a knapping workshop. These results, complemented by a presentation of the geomorphological and stratigraphical frameworks, represent a solid contribution to our knowledge of the Prehistory of north-west Europe.
Les fouilles menées sur les tracés des autoroutes A28 et A29 ont mis au jour deux gisements du Paléolithique moyen (-300 000 --30 000), au Pucheuil et à Ettouteville (Haute-Normandie), livrant d'importantes séries lithiques qui ont fait l'objet de nombreux remontages.Au Pucheuil, deux occupations humaines, en contexte de doline, se singularisent par des traditions techniques particulières qui relèvent toutefois d'un même système de production, le débitage Levallois. Ce dernier, associé à une conception volumétrique des nucléus similaires à celles du Paléolithique supérieur, caractérise aussi la production laminaire d'Etoutteville. L'analyse spatiale des ensembles remontés de ce site l'identifie comme atelier de débitage.Ces résultats, enrichis par une présentation du cadre géomorphologique et stratigraphique, constituent une contribution solide à la connaissance de la Préhistoire de l'Europe du Nord-Ouest.The excavations carried out on the lines of the A28 an A29 motorways have brought to light two sites from the Middle Palacolithic (-300 000 --30 000). The desposits at Pucheuil and at Etoutteville (Haute-Normandie) yielded important lithic series with numerous reassemblies of waste flakes.At Pucheuil, two human occupations were observed in the context of a doline. They ear individualized by their particular technological traditions which both stem from the santé chain of production : the Levallois technique. This, in association with a volumetric conception of the nucleus which resembles those of the Upper Palaeolithic, characterises the laminar production of Etoutteville. The spatial analysis of the reassembled groups of material identify the site as a knapping workshop. These results, complemented by a presentation of the geomorphological and stratigraphical frameworks, represent a solid contribution to our knowledge of the Prehistory of north-west Europe.
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