https://ujcontent.uj.ac.za/vital/access/manager/Index ${session.getAttribute("locale")} 5 Geochemistry and mineralogy of supergene altered manganese ore below the Kalahari unconformity in the Kalahari manganese field, Northern Cape Province, South Africa https://ujcontent.uj.ac.za/vital/access/manager/Repository/uj:14834 Sat 16 Sep 2017 00:52:24 SAST ]]> Metasedimentary manganese ores of the Serra do Navio deposit, Amapa Province, Brazil https://ujcontent.uj.ac.za/vital/access/manager/Repository/uj:14828 Fri 15 Sep 2017 23:51:31 SAST ]]>