Searching for ancient pits and voids at the Ouels Mine (Castel-Minier, France) by using geophysical methods - NIMBE
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Article Dans Une Revue Journal of Archaeological Science: Reports Année : 2024
Searching for ancient pits and voids at the Ouels Mine (Castel-Minier, France) by using geophysical methods
Florsch Nicolas (1) , Lucia Seoane (2) , Muriel Llubes (2) , Florian Téreygeol (3, 4)
1 UMMISCO - Unité de modélisation mathématique et informatique des systèmes complexes [Bondy] (IRD France Nord - 32 avenue Henri Varagnat - 93143 Bondy cedex - France)
"> UMMISCO - Unité de modélisation mathématique et informatique des systèmes complexes [Bondy]
2 GET - Géosciences Environnement Toulouse (Observatoire Midi-Pyrénées 14 Avenue Edouard Belin 31400 Toulouse - France)
"> GET - Géosciences Environnement Toulouse
3 IRAMAT-LAPA - IRAMAT - Laboratoire Archéomatériaux et Prévision de l'Altération (Site CEA de Saclay - bâtiment 637 - 91191 Gif-sur-Yvette cedex - France)
"> IRAMAT-LAPA - IRAMAT - Laboratoire Archéomatériaux et Prévision de l'Altération
4 LAPA - UMR 3685 - Laboratoire Archéomatériaux et Prévision de l'Altération (LAPA, NIMBE, CEA, CNRS, Université Paris-Saclay, CEA Saclay 91190 Gif sur Yvette - France)
"> LAPA - UMR 3685 - Laboratoire Archéomatériaux et Prévision de l'Altération

Résumé

A map from the early twentieth century shows the relative positions of several entrances to the Ouels mining area, but it is not fully georeferenced. Some mines have been reported in the south-western part of the map and the archaeological team would like to confirm these locations. To this end, a geophysical prospection campaign was organised, which included electrical resistivity tomography (ERT) and microgravimetric profiling over the area of interest. Several anomalies were identified.

Two of them, in the north, are very likely to be related to voids (robbed area), since gravimetric and electrical anomalies are superimposed. Conversely, in the southern part, where microgravimetric anomalies occur, there are no electrical anomalies, but cavities could be electrically shielded by the overburden. An additional deeper ERT shows a new but small resistivity anomaly in the upper slope, outside the area preliminarily surveyed. Although not all of the gravimetric anomalies are confirmed by the ERT, the geophysics ultimately proved very effective in supporting at least some archaeological targets in the northern part of the prospect.

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Sciences de l'Homme et Société Archéologie et Préhistoire Histoire Méthodes et statistiques
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Soumis le : samedi 16 novembre 2024-13:58:49

Dernière modification le : mercredi 4 décembre 2024-10:20:03

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hal-04786790 , version 1 (16-11-2024)
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Florsch Nicolas, Lucia Seoane, Muriel Llubes, Florian Téreygeol. Searching for ancient pits and voids at the Ouels Mine (Castel-Minier, France) by using geophysical methods. Journal of Archaeological Science: Reports, 2024, 57, pp.104624. ⟨10.1016/j.jasrep.2024.104624⟩. ⟨hal-04786790⟩

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