Fig. 3From: The use of predominance area diagrams (PAD) to determine the oxygen and sulfur fugacities prevailing during historical metallurgical processes: the case of fifteenth to seventeenth century copper slags from Polichno (Old Polish industrial district)Representative BSE images of the analyzed slags: a POL1; b POL2; c POL3; d POL4; e, f POL5. brt—barite; cc—chalcocite; Cu—metallic copper; cpx—clinopyroxene; do—domeykite; Fe—metallic iron; gln—galena; gls—glass; hem—hematite; lit—litharge; py—pyrrhotite; wo—wollastonite; qz—quartzBack to article page