International audienceImiter, the silver mine of the Moroccan Anti-Atlas still in operation today, displays archaeological evidence of ancient mining and metallurgical works. Written sources and the study of artefacts has already allowed to suggest that the site of Imiter was the ancient Todgha, a locality mentioned during the medieval period (El Ajlaoui 1994). Between 2011 and 2014, a multidisciplinary team (historian, metallogenic geologist, geochemist, archaeologists) undertook surface and underground prospection, the excavation of three ore enrichment tanks as well as the mineralogical and geochemical characterization of ancient ores and metallurgical wastes. The radiocarbon dates obtained on the tanks place their final use between the ...