La Blancharderie à Argentré-du-Plessis (35) : un site de fond de vallée à la fin de l’âge du Fer sur le tracé de la LGV Rennes-Le Mans

Abstract : The archaeological excavation of Argentré-du-Plessis was undertaken in the context of the new high-speed railway between Rennes and Le Mans. Among the sites investigated along this linear corridor, La Blancharderie excavation has the particularity of being situated in the valley floor close to the confluence of two still active streams. The site is located on the edge of a thalweg within an ancient wetland that underwent several transformations from the third to the beginning of the first century BC. The main occupation is characterized by the implantation of a rectilinear ditches system delimiting trapezoid-shaped enclosure. Covering an area of 850 m2 within the excavation area, the enclosure continues to southwest outside of the current area of investigation. The major interest of the enclosure resides in the multitude of construction episodes observed, revealing a spatial and temporal succession of buildings in a limited space. Several buildings types were identified, including foundation trenches, post walls, and pile construction techniques.
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https://hal-univ-rennes1.archives-ouvertes.fr/hal-02339585
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Submitted on : Wednesday, October 30, 2019 - 2:54:14 PM
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Sébastien Toron, Océane Lierville. La Blancharderie à Argentré-du-Plessis (35) : un site de fond de vallée à la fin de l’âge du Fer sur le tracé de la LGV Rennes-Le Mans. Revue Archéologique de l'Ouest, Presses universitaires de Rennes, 2015, pp.261-284. ⟨10.4000/rao.3051⟩. ⟨hal-02339585⟩

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