 | | Report (issue) | | SERIES NIOBIUM AND TANTALUM by BJM Diehl , __,..\\ I II I ·\ •: ~··.\.\·(t'\ ,/ !;t Open File Report...SURVEY NAMIBIA 1990 Open File Report MRS 12 2 Abstract Niobium-tantalum mineralisation in Namibia occurs...by-products of Tin-mining operations in central Namibia (Uis, Nainais, De Rust). Prominent niobium-tantalum...pegmatites occur in the Tantalite Valley in southern Namibia and have been mined for a long time on a small...pegmatites 2.1.1.1 Witkop pegmatite 2.1.1.2 White City pegmatite 2.1.1.3 Homestead pegmatite 2.1.1.4 Lepidolite |  | Keller, Paul, Fontan, François, Roldan, Francisco Velasco, de Parseval, Philippe (2007) Joosteite, Mn2+(Mn3+, Fe3+)(PO4)O: a new phosphate mineral from the Helikon II Mine, Karibib, Namibia. Neues Jahrbuch für Mineralogie - Abhandlungen, 183 (2) 197-201 doi:10.1127/0077-7757/2007/0069 | Journal (article/letter/editorial) | | a new phosphate mineral from the Helikon II Mine, Karibib, Namibia Paul Keller, François Fontan, Francisco...found in the granitic rare element pegmatite Helikon II, Karibib, Namibia. The new mineral is the Mn3 + -analogue...new mineral honours Mrs. Charlotte Jooste, Karibib, Namibia. Key words: Joosteite, Mn2 + (Mn3 + , Fe3...staněkite, granitic pegmatites, Helikon II mine, Karibib, Namibia. Introduction During a research program...the dumps of the Helikon II pegmatite, Okongava-Ost farm (No. 72), Karibib, Namibia. It turns out that |  | | Book | | REPUBLIC OF NAMIBIA - MINISTRY OF MINES AND ENERGY GEOLOGICAL SURVEY THE MINERAL RESOURCES OF NAMIBIA FIRST...DIRECTORATE: GEOLOGICAL SURVEY Director: Dr Brian G Hoal II , MESSAGE FROM THE HONOURABLE MINISTER OF MINES...ENERGY Of the several hundred minerals present in Namibia, around sixty have been exploited. some, such as...base metals and industrial minerals have helped Namibia rank amongst the top five mining countries in Africa...terms of production and reserves. In this context, Namibia is a major producer of copper, lead, zinc, cadmium |
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