Prospections géophysiques au Porrey, à la Chaume, à la Terrasse, au Verger, et à la Pâture du Couvent

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Title in English Geophysical Prospection on le Porrey, la Chaume, la Terrasse, le Verger, and la Pâture du Couvent

MILO Peter VÁGNER Michal

Year of publication 2021
Type Article in Proceedings
Conference Rapport annuel 2020 du programme quadriennal de recherche 2017-2020 sur le Mont Beuvray : Synthése
MU Faculty or unit

Faculty of Arts

Keywords geophysical survey; magnetic anomalies; GPR
Description Annual report on archaeogeophysical prospection on oppidum Bibracte/Mont Beuvray (on le Porrey, la Chaume, la Terrasse, Verger, and la Pâture du Couvent). Surveys at the Porrey did not reveal particular elements, while at La Chaume, which benefited from the two prospecting methods, the route of a ditch has been highlighted north and south of the cistern, probably corresponding to the continuity of the already unearthed ditch. In the vicinity of the Saint-Martin chapel, possible masonry structures, which resemble medieval constructions and modern ones of the same type brought to light in recent years, were also spotted. At the Terrace, the magnetic surveys did not allow to report potential archaeological structures due to the bedrock magnetism. Only the fortification of the Terrace could be highlighted. In the Verger, the continuity of the ditch could be spotted, with a possible division into two branches to the south of the sector that only excavations could confirm. At the Pasture of the Convent, finally, ground penetrating radar did not reveal structures other than those already known.
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