 | | Book | | Mountainland The Central Northern to Northwest Region including Damaraland The Central Namib Desertand...Copper Deposits The South The Pegmatitesin Central Namibia Luderitz and the Diamonds 44 49 241 254 272 275... Encyclopedia of the Mineralsof Namibia 443 Meteorites in Namibia Bibliography Index Photo credits...__ Republic of Namibia The President State House W°Ntdhoek FOREWORD Namibia is endowed with an...from near and far. Fine mineral specimen from Namibia are displayed in all the famous natural science |  | Graupner, T., Melcher, F., Gäbler, H.-E., Sitnikova, M., Brätz, H., Bahr, A. (2010) Rare earth element geochemistry of columbite-group minerals: LA-ICP-MS data. Mineralogical Magazine, 74 (4) 691-713 doi:10.1180/minmag.2010.074.4.691 | Journal (article/letter/editorial) | | concentrations and distribution patterns of columbite-tantalite minerals from Ta-ore provinces worldwide are presented...K EY WORDS : LCT family pegmatites, columbite-tantalite, REE geochemistry, LA-ICP-MS data. Introduction...consideration (e.g. Rongi (Rwanda); Uis (Namibia); Rubikon (Namibia); Hagendorf (Germany)). References are...include: (1) the Homestead pegmatite, Tantalite Valley, Namaqualand, Namibia, Neoproterozoic (Kibaran) in age;...e.g. Černý, 1989, Fig. 1) using a columbite-tantalite quadrilateral. Three fields TABLE 1. Comparison |  | | Journal (article/letter/editorial) | | amphibole granulite, hypersthene, diopside, almandine, 54I Japan (Nippon) Arayashiki, Ishikawa-gun,...chlorite, peridotite, 695 South-West Africa (Namibia) Tantalite Valley, prehnite, biotite, hornblende, plagioclase...genthelvite, 627 Kenya Eburro volcano, Nakuru-Naivasha region, panteUerite, pantelleritic trachyte, 405, 415...dunite, enstatite, forsterite, phlogopite, pyrope-almandine, 6 Nababeep Kloof, Namaqualand, sappbirine, cordierite...cordierite, bronzite, phlogopite, ceylonite, almandine, 347 Zwartkloof, Warmbaths, Transvaal, fayalite |  | | Journal (article/letter/editorial) | | the west (Namaqua belt) and one locality in the east (Natal belt). In this paper the numerous occurrences...feldspathic metamorphites containing orthopyroxene or almandine + clinopyroxene are referred to as granolites...lithostratigraphic units can be differentiated (Fig. 1). In the east, predominantly low-grade supracrustal rocks dated...(1974) reported the paragenesis clinopyroxene + almandine at locality 5, Cornell (1975) recognized the paragenesis...granolites opx+plag, cord+garn+sil1, opx+sapph Tantalite Valley complex o l i v i n e gabbronorite zoned |  | | Book | | REPUBLIC OF NAMIBIA - MINISTRY OF MINES AND ENERGY GEOLOGICAL SURVEY THE MINERAL RESOURCES OF NAMIBIA FIRST...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...unpublished. It is evident that mineral exploration in Namibia, as elsewhere. has changed from serendipitous discoveries |  | | Journal (article/letter/editorial) | | WIECHOWSKI, A., titanomaghemite in basalt, 299 Almandine-grossular and -pyrope garnet solid solutions,...Equivalent site behaviour of synthetic almandine-grossular and almandine-pyrope garnet solid solutions, 231...Ferrontantalite replacing manganotantalite, South Africa and Namibia, 571 FLEISCHER, M., see ATENCIO, D., 639 Flexibility...queitite, Cumbria, 508; synthetic almandine-grossular and almandine-pyrope garnet solid solutions, 231...315; luminescence spectroscopy of, syenite complex, East Greenland... ', 642 centres in carbonates, 201; |  | | Journal (article/letter/editorial) | | progressively younger from east to west and the dominant trend of folds change from east--west or northwest-southeast...north--south in the Damara-Gariep-Malmesbury belt, to east--west in the Cape-Karoo belt. The trends in the...al., 1975), but it is more than likely that this region had acted as a mobile belt for an extended period...combined with an increase in metamorphic grade from east to west. Figure 3 is a simplified geological map...in sedimentary facies and metamorphic grade from east to west. The Boegoeberg-Olifantshoek column is representative |  | | Journal (article/letter/editorial) | | inclusions and the late dike swarm of Kangerdlugssuaq, East Greenland, 259 BRUMBY (G.) and SHEPHERD (T. J.)... intergrowth with chromite, anal., origin, 695; East Greenland, anal., 259; S.-W. Africa, anal., 526;...France, anal., 817; Tamil Nadu (Madras), anal., 788; East Greenland, anal., 259; Ardnamurehan, anal., opt...rocks and minerals of the Skaergaard intrusion, East Greenland, 33 Distortion parameters for coordination...genesis, 683 East Moulton mine, Butte, Montana, helvine, 627 Eburro volcano, Nakuru-Naivasha region, Kenya |  | | Journal (article/letter/editorial) | | Africa and the Variscan-Alpine zone of the Atlas region. 746 E. P, SACOESSONU. a. - - Distribution of...metamorphosed or intrude along major lineaments (e. g. Tantalite Valley of Namaqualand) some of which might be correlatives...to post-orogenic intrusive phases, those in the east being of Pan-African age. Concentrations of economic...the location of these centres not only within the East Africa Rift System and to the direction of mobile...zonations are reported from the Karagwe-Ankolean of East Africa, the West Congolian and Damaran belts. Wherever |  | Mielke, C., Muedi, T., Papenfuss, A., Boesche, N.K., Rogass, C., Gauert, C.D.K., Altenberger, U., de Wit, M.J. (2016) Multi- and hyperspectral spaceborne remote sensing of the Aggeneys base metal sulphide mineral deposit sites in the Lower Orange River region, South Africa. South African Journal of Geology, 119 (1) 63-76 doi:10.2113/gssajg.119.1.63 | Journal (article/letter/editorial) | | mineral deposit sites in the Lower Orange River region, South Africa C. Mielke Helmholtz Center Potsdam...and for gossan detection at Haib River in South Namibia. The work presented here explores the potential...the major crustal lineament, the Pofadder-Tantalite Valley Shear Zone, shown in the Landsat-8 false color...major absorption feature in the short wave infrared region beyond 2000 nm, due to an appreciable muscovite...Magnetite, Hematite, Goethite, (gossanous) Almandine, Maghemite Swartberg Quartz Magnetite Quartz |  | Diener, Johann F.A., White, Richard W., Link, Klemens, Dreyer, Tanya S., Moodley, Adam (2013) Clockwise, low- metamorphism of the Aus granulite terrain, southern Namibia, during the Mesoproterozoic Namaqua Orogeny. Precambrian Research, 224. 629-652 doi:10.1016/j.precamres.2012.11.009 | Journal (article/letter/editorial) | | metamorphism of the Aus granulite terrain, southern Namibia, during the Mesoproterozoic Namaqua Orogeny Johann...Rodinia, and has been correlated with similar rocks in east Antarctica (Jacobs et al., 1993, 2008; Thomas et...terrain, a lesser-known part of the NMC in southern Namibia that has only been previously examined as part...km (Fig. 1). The NMC is exposed on the west and east coasts of southern Africa and is covered by sedimentary...1994; Moen and Toogood, 2007). Most NMC rocks in Namibia form part of the high-grade Gordonia subprovince |  | | Report (issue) | | microlite, more evolved members of the columbite-tantalite group, cookeite, tourmaline, lepidolite, topaz...topaz, a/bite, and quartz; 15 cm from the Shigar Valley, Skardu district, Northern Areas, Pakistan Because...nothing more of interest seemed to come out of the region until November 2002, when people from around Mandrosonoro...Madagascar to study some pegmatites in the Betafo region. Observing the exceptional tourmaline rough arriving...2003). A second location in the Deva mine, Paroon Valley, Kunar, Nuristan, Afghanistan has now been confirmed |  | | Journal (volume) | | Tertiary Alkaline Lavas from the Kahuzi- Biega Region, Western Rift, Kivu, Zaire: R. T. Lubala, A. B...England; B. D. Hackman, Nairobi, Kenya; P. J. Hamilton, East Kilbride, Scotland; C. J. Hawksworth, Milton Keynes...pseudotachylite and chert breccia (Paris 1985a). To the east, the Diepgezet sediments located above the T junction...cross cut by Malolotsha sediments which, to the east, have been folded along NE-SW axes. However, it...nicity ancJ continental evolution in the Barberton region, Transvaal. In Clifford, T. N. and Gass. I.G. (Eds) |  | | Book | | systematically present the geology of each country, region and continent on Earth. Each book aims to provide...(Gariep Belt) cropping out in the western borders of Namibia and South Africa. They were split up in the Mesozoic...concerning the tectonic and geodynamic evolution of this region during the Precambrian. Major tectonometamorphic...tectonostratigraphic domains and structures of the region are presented, together with implications for the...domains are recognized: the Central Shield Zone in the east, and the Central Eburnean Zone and Lubango Zone |
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