Larrabure, Gonzalo Alkaline pretreatment of a polymetallic sulfide (Fe-Pb-Mn) ore containing silver increases the efficiency of cyanidation by decreasing elemental sulfur content and by exposing sulfide surfaces - Amsterdam Elsevier November 2023 - 9 p. ilus. Subjects--Topical Terms: LIXIVIACIONEXTRACCIONPLATACIANURACION