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Techno-économie des matières premières lithiques au Paléolithique moyen : l’exemple des industries à composante lithologique mixte du Massif armoricain (Nord-Ouest de la France)

Abstract : Several Middle Palaeolithic industries of the Armorican Massif (north-western France) are characterised by the concomitant use of flint and other raw materials of different geological origin (dolerite, microgranite, volcano-sedimentary tuff and quartz) used in equitable proportions. The use of rocks other than flint in this area during the Middle Palaeolithic appears to be strongly related to the local geological and palaeogeo-graphical setting.The analysis of these lithic assemblages aims to determine the influence of raw materials, and consequently that of environmental contingencies, on the lithic production by analysing the modalities of management of these raw materials concerning the knapping properties and their diffe-rential use within a same lithic assemblage.A techno-economic analysis of five of these lithic industries was carried out. At the same time a physical and mechanical characterisation of the raw material used was undertaken, including experimental knapping, mechanical testing and petrographic analysis.With regard to the knapping methods as well as to the selection of tool blanks and their reduction, the results showed that there was no differen-tial raw material management, despite differing knapping and usage properties.Therefore, these raw materials play an equivalent economic role within a same assemblage and answer common functional needs.To d efine this relationship between raw materials within a same lithic assemblage we propose the notion of economical supplementarity, as opposed to the complementarity principle which other sub-contemporary European mixed lithic industries referred to.
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https://hal-univ-rennes1.archives-ouvertes.fr/hal-02473928
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Submitted on : Tuesday, February 11, 2020 - 9:52:45 AM
Last modification on : Thursday, January 14, 2021 - 11:40:46 AM

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  • HAL Id : hal-02473928, version 1

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Briagell Huet. Techno-économie des matières premières lithiques au Paléolithique moyen : l’exemple des industries à composante lithologique mixte du Massif armoricain (Nord-Ouest de la France). Pascal Depaepe, Émilie Goval, Héloïse Koehler et Jean-Luc Locht. Les plaines du Nord-Ouest : carrefour de l'Europe au Paléolithique moyen ? - P. Depaepe, E. Goval, H. Koehler et J.-L. Lotch, Société préhistorique française, pp.163-180, 2015, Mémoires de la société préhistorique française, 59, 2-913745-58-X. ⟨hal-02473928⟩

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