Sillitoe, Richard H. Lead-silver, manganese, and native sulfur mineralization within a stratovolcano, El Queva, Northwest Argentina - Lancaster, PA Society of Economic Geologists November 1975 - pp. 1190-1201 ilus. Subjects--Topical Terms: ALTERACIÓN HIDROTERMALAZUFREESTRATOVOLCANGENESIS-YACIMIENTOGEOLOGIA ECONOMICAMANGANESOMINERALIZACIONPLATAPLOMOYACIMIENTOS EPITERMALES Subjects--Geographic Terms: ARGENTINA Subjects--Index Terms: EL QUEVA, YAC.