 | | Journal (article/letter/editorial) | | for Geosciences and Natural Resources, Stilleweg 2, D-30655 Hannover, Germany e-mail: torsten.graupner@bgr...schutte@gmail.com © 2017 March Geological Society of South Africa Abstract Tantalum is an important metal...the Congo Craton (DR Congo), the Kamativi Belt (Zimbabwe) and the Jos Plateau (Nigeria); Ÿ Mn-rich columbite-tantalite...locations of known deposits of Ta and Nb in Africa was SOUTH AFRICAN JOURNAL OF GEOLOGY 2017 • VOLUME 120.1 PAGE...1992; Černý et al., 2005). The provenance of pegmatite magmas remains poorly understood. Based on a study |
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