Fig. 7From: A new piece of the puzzle: slag and ore analysis to reconstruct the prehispanic smelting technology at the Atacama Desert, ChileMicrostructure of slag samples from Viña del Cerro. A–D Under plain and cross polarised light (OM). E–M Backscattered electron image (SEM). Legend: Cu: metallic copper, Cup: cuprite, Del: delafossite, Qtz: quartz fragments, Aug: augite, Mag: magnetiteBack to article page