Özet:

For many decades, a number of sites from the Early Neolithic (Villeneuve-Saint-Germain) and Middle Neolithic (Cerny and northern Chasséen) periods have been discovered in Upper Normandy. Three of them have been recently excavated and the subject of technological descriptions (Aubevoye “La Chartreuse”, Saint-Pierre-d’Autils “Le Plaquis” and Porte-Joie “La Couture aux Rois, zone C”). The lithic assemblages of these periods are sometimes distinguished by the production of regular and long blades by indirect percussion while the rest of assemblages are characterized by a domestic laminar production and flake débitage. These productions were initially and often described as expedient or opportunistic. This contribution tries to put forward new characters to specify the evolution of this débitage, its objectives of production and the transformation of the products. Thus, based on the study of 8 sites from Upper Normandy dated to Blicquy-Villeneuve-Saint-Germain and Cerny, the authors describe the main characteristics of the flake débitage identified in Upper Normandy. For this production, the first observation is the exploitation of raw materials of poor quality often located nearby. Some sites demonstrate the exploitation of freeze cracked blocks although flint of much better quality was accessible. Others are characterized by a strong use of fragments. There is a non-rigorous selection of blocks and many methods of débitage - unipolar, multidirectional and bipolar - which is rather basic and certainly not standardized. Volume shaping process indicators are totally absent or difficult to identify. The method is to open a unique platform. Then, each angle is exploited until the required number of flakes is obtained or until the full exploitation of the core. The specificities of the flake production (lack of standardization, technical errors, lack of maintenance of volumes, etc.), as well as their unattractive and unsuccessful aspects, made us reflect on the techniques that were used.

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