Fig. 5From: A new piece of the puzzle: slag and ore analysis to reconstruct the prehispanic smelting technology at the Atacama Desert, ChileTernary diagram CuO-(SiO2, Al2O3)-(FeO, CaO, MgO, MnO) showing the bulk chemical composition of 10 ore samples and 18 slag fragments and from VC, by WD-XRF. Note the similar compositions between copper ores and slagsBack to article page