McNaughton, Neal J. A long-lived hydrothermal system in Bushveld granites at the Zaaiplaats tin mine; lead isotope evidence - Lancaster, PA Society of Economic Geologists January-February 1993 - pp. 27-43 ilus., tbls. Subjects--Topical Terms: ALTERACIÓN HIDROTERMALESTAÑOGEOCRONOLOGIAGEOTERMOMETRIAGRANITOSINCLUSIONES FLUIDASISOTOPOS DE PLOMOYACIMIENTOS HIDROTERMALES Subjects--Index Terms: ZAAIPLAATS, MINA