Searching for ancient pits and voids at the Ouels Mine (Castel-Minier, France) by using geophysical methods
Fiche du document
- ISIDORE Id: 10670/1.424f81...
- hal: hal-04786790
- doi: 10.1016/j.jasrep.2024.104624
Ce document est lié à :
info:eu-repo/semantics/altIdentifier/doi/10.1016/j.jasrep.2024.104624
http://creativecommons.org/licenses/by/ , info:eu-repo/semantics/OpenAccess
Mots-clés
ancient mine Cavity detection gravimetric survey Electrical Resistivity Tomography ERT Castel-MinierSujets proches
Body section radiography Radiological stratigraphy Stratigraphy, Radiological Computed tomography CT (Computer tomography) Laminagraphy Laminography Computerized tomography Tomographic imaging Zonography Diseases--TomographyCiter ce document
Florsch Nicolas et al., « Searching for ancient pits and voids at the Ouels Mine (Castel-Minier, France) by using geophysical methods », HAL SHS (Sciences de l’Homme et de la Société), ID : 10.1016/j.jasrep.2024.104624
Métriques
Partage / Export
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.
