Les industries lithiques de trois locus du Mésolithique final à Coulmer (Orne)

Abstract : An excavation carried out in 2010 on a small road layout close to Gacé (Orne, Normandy) delivered three locus partially preserved attached to the final Mesolithic era. The taphonomic observations of these series included in the silts probably testify for the locus 1 and 2 to in-depth parts trained by the natural agents (burrows, roots…) while the vertical dispersion of the furniture of the locus 3 suggests a formation of the concentration by a phenomenon of colluvial deposition and trapping on the weak relief of the edge of the plate. In fact, some disturbing elements mixed with the Mesolithic series (some modern elements, two arrowheads, schist bracelet, a fragment of polished axe…) but seem to relate to only isolated elements, non significant and lost out of any context of occupation. They testify however that the homogeneity of the series is not completely acquired. The lithic artifacts, cut starting from flint or of poor sandstones of qualities, present a homogeneous series which comes to disturb very modestly some artifacts of the old and final Neolithic era. Because of the raw materials used, the Mesolithic production is directed towards a cutting up where the lamino-lamellate component is limited, pilot of a weak use as supports of tools, and where the production starting from “micronucleus” is frequent. The group of the points is represented by points with gibbeuse truncation, points triangular and thick segmentiforme points. The whole seems to be attached to the complex with reinforcements with gibbeuse truncation (points of Sonchamp, points of Falaise…). In spite of the limited character of the locus and them (modest) posterior disturbances, the unit presents a good homogeneity and testifies to one of the too rare series of the end of the Mesolithic era in Normandy.
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Submitted on : Wednesday, October 30, 2019 - 1:31:33 PM
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Emmanuel Ghesquière. Les industries lithiques de trois locus du Mésolithique final à Coulmer (Orne). Revue Archéologique de l'Ouest, Presses universitaires de Rennes, 2015, pp.25-49. ⟨10.4000/rao.2869⟩. ⟨hal-02339294⟩

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