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Géoarchéologie des fosses profondes mésolithiques : des aménagements pour quels usages ?

Abstract : Characterised by their morphology, depth and their place within the landscape, Mesolithic pits raise many questions regarding their nature and function. They are particularly characterised by stratified fills, which are often complex, and composed of alternating dark and lighter coloured layers, which present a cemented aspect. These fills are finely textured and contain frequent carbonate inclusions distributed in the form of granules or white bands. This stratigraphy appears to be recurrent in the majority of the pits recorded. In order to understand the functional significance of these features, a geoarchaeological approach, based on soil micromorphology, has been adopted. The initial objective is to develop an inventory of morpho-sedimentary constants for the forms of shaping and use of the pits with a particular focus on the walls and basal fills of the features. This inventory is constructed from the corpus of pits which are dated to various phases of the Mesolithic and situated in various contexts (hill slopes, plateaux). The results presented in this article relate to features dated to the Early Mesolithic, as revealed at the sites of Lesmont (Aube), Rouilly-sur-Marne (Aube), Recy – Saint-Martinsur-le-Pré (Marne) and Condé-sur-Marne (Marne). They indicate that the formation dynamic is principally governed by the activities associated with the use of these features. The cementation depends on processes of carbonate redistribution under the prevailing Early Mesolithic climatic conditions in calcareous contexts. The sedimentary record testifies to a space that was regularly occupied and maintained and probably covered over. The walls, like the floors, are created by inputs of sediment mixed with vegetation remains which are preserved as carbonate pseudomorphoses. Functional sedimentary indicators are rare but are comparable to those of storage spaces.
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Julia Wattez, Marylise Onfray, Céline Coussot. Géoarchéologie des fosses profondes mésolithiques : des aménagements pour quels usages ?. Séances de la Société préhistorique française, [Paris]: Société préhistorique française, 2017, Creuser au Mésolithique Digging in the Mesolithic. Actes de la séance de la Société préhistorique française de Châlons-en-Champagne (29-30 mars 2016), 12, pp.87-98. ⟨hal-01897971⟩

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