International audienceBetween the Mesozoic-Cenozoic Paris Basin rich in silicified rocks, limestones and sandstones, and the Eifel region providing volcanic rocks, the Paleozoic massif of the Ardennes has been exploited for quern and millstone manufacturing from the Neolithic through the Modern Era. For some years, a French-Belgian team of archaeologists and geologists is investigating the production, distribution and utilization of this underestimated group of archaeological objects.The recent development of preventive archaeology generates large volumes of data from qualitative archaeological contexts that can provide new insights in the socio-economic organization of past societies. From a petrographical point of view, the determination ...