 | | Journal (article/letter/editorial) | | metamorphosed, stratiform sulfide deposit Matchless, Namibia By R. KLEMD,Bremen and M. OKRUSCH,W[irzburg*)...schichtgebundenen Kupferlagersfiitte Matchless, DamaraOrogen, Namibia, ergeben Temperaturen zwischen 550...metamorphosed, stratiform sulfide deposit Matchless, Damara orogen, Namibia, yield temperatures between 550 and...d6p6t de sulfure stratiforme m&amorphique de Matchless (orogen~se Damara, Namibie) sont encaiss& dans...metamorphosed, stratiform massive sulfide deposit Matchless, based on microprobe analyses and fluid inclusion |  | | 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unpublished.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) | | COPPER MINE, NAMIBIA: A LINK BETWEEN NEOPROTEROZOIC MESOTHERMAL CU(-AU) MINERALIZATION IN NAMIBIA AND ZAMBIA...Formation in the Southern Zone or Khomas trough of the Damara Orogen in Namibia. It comprises a sheeted-vein...Southern Zone. Introduction The Onganja copper mine is located within the Southern Zone of the Damara...Damara Orogen, some 65 km north-east of Windhoek, Namibia (Figure 1). It operated intermittently throughout...within the northeastern part of the Southern Zone or Khomas trough of the Pan-African Damara Orogen (Figure |  | | Journal (article/letter/editorial) | | metamorphism and deformation in the Matchless massive sulphide deposit, Namibia N.J. Cook!, R. Klemd-, and M...1993 Abstract. The sulphide mineralogy of the Matchless massive sulphide deposit has been reviewed and...are consistent with the tectonic history of the region . Investigations concerned with determining the...metamorphic pathways undergone. Although the Matchless deposit has been the subject of considerable study...with respect to mineralogy and geochemistry of Matchless to some of the massive sulphide deposits of the |  | | Journal (article/letter/editorial) | | ProterozoicOuter ShelfManganeseandIron Depositsat Otjosondu (Namibia)Relatedto the DamaranOceanicOpening BERNHARDBiJHN...the outer shelfenvironment.The evolutionof the Khomas seaprovidedthe ore-formingsolutionsand alsoinitiatedthe...1978; Ferran, 1980). Late The Damara Sequenceof Namibia developed Proterozoiciron-formations associated...e ey- 1986). Angola ß - o • too kl• _ Namibia 21' /' OTJOSONDU iliiii?: ii _ . :::: 22* ...pre-Damara basement outcrops, O = Okahandja, W = Windhoek,S -Swakopmund, NP = Northernplatform,NZ = Northernzone |  | | Book | | AiAiba / farm Anibib 136 8 Grosse Spitzkoppe, Erongo 9 , .,/, loringa tree . Khomas Highland...station Garub near Aus Nature conservation, Erongo 16 Welwitschia, Goboboseb Mountains 17 . :~~.....Mountainland The Central Northern to Northwest Region including Damaraland The Central Namib Desertand...s Onganja Mine and Surrounding Copper Deposits The South The Pegmatitesin Central Namibia Luderitz and... Encyclopedia of the Mineralsof Namibia 443 Meteorites in Namibia Bibliography Index Photo credits |  | | Journal (article/letter/editorial) | | Settingof the MatchlessBelt Pyritic Copper Deposits,Namibia JORGH. BREITKOPF Universityof the Witwatersrand...mphibolitebelt in the Damara orogenin central Namibia. The amphibolitesrepresent metamorphosedtholeiitic...setting and stratigraphic relationships of the Matchless amphibolitebelt andthe associated pyritic copperdeposits...metamorphic belts evolved (Miller, TECTONIC SETTING, MATCHLESS BELT Cu DEPOSITS 711 deposits(Hoffmann,1983;...southernmargin 1983b), predominate.Northeast of Windhoek and zone.It containsonlythe highestlithostratigraphic |  | | Journal (article/letter/editorial) | | mineralization in the Otavi Mountain Land, Northern Namibia—a review and regional interpretation A.F. Kamona...Günzel b a b University of Namibia, Private Bag 13301, Windhoek, Namibia Ongopolo Mining Ltd., Main Street...Street, P.O. Box 40, Tsumeb, Namibia Received 16 May 2004; accepted 10 April 2006 Available online 4...Neoproterozoic Damara mobile belt in northern Namibia (Fig. 1). The northern part of the metallogenic...of the Tsumeb Subgroup is the same in northern Namibia (Table 1). However, the Mulden Group in the OML |  | CABRAL, A. R., MOORE, J. M., MAPANI, B. S., KOUBOVA, M., SATTLER, C.- D. (2011) GEOCHEMICAL AND MINERALOGICAL CONSTRAINTS ON THE GENESIS OF THE OTJOSONDU FERROMANGANESE DEPOSIT, NAMIBIA: HYDROTHERMAL EXHALATIVE VERSUS HYDROGENETIC (INCLUDING SNOWBALL-EARTH) ORIGINS. South African Journal of Geology, 114 (1) 57-76 doi:10.2113/gssajg.114.1.57 | Journal (article/letter/editorial) | | GENESIS OF THE OTJOSONDU FERROMANGANESE DEPOSIT, NAMIBIA: HYDROTHERMAL EXHALATIVE VERSUS HYDROGENETIC (INCLUDING...Department of Geology, University of Namibia, Private Bag 13301, Windhoek, Namibia e-mail: b.mapani@unam.na M...GENESIS OF THE OTJOSONDU FERROMANGANESE DEPOSIT, NAMIBIA Figure 1. Simplified geological map of the Pan-African...Pan-African Damara orogenic belt of Namibia (Miller, 2008), with the Otjosondu ferromanganese deposit located...southern Central Zone of the Damara Orogen in Namibia (Figure 1). Their enigmatic nature stems partly |  | | Field Trip Notes | | the Geological Society & Geological Survey of Namibia II I -· --· ...... ----·----, Editor: M. Niall...the Geological Society & Geological Survey of Namibia -- - -- .. --- ----• • ·- •• -1 · ~. ,. :...LC. Schneider Geological Survey or Namibia, P O Box 2168, Windhoek 1.0 Day 1 - Monday, 22 August 1994...08:00 Windhoek - Otjihase Mine 1.2 08:00 - 12:00 Otjihase Mine 1.3 12:00 - 12:30 Otjihase Mine - Windhoek...1.4 12:30- 13:30 Lunch in Windhoek 1.5 13:30 - 16:00 Windhoek-Karibib 1.6 16:00 - 17:00 Capra Hill Marble |  | | Journal (article/letter/editorial) | | 82, 1987, pp. 587-599 The Matchless CopperDeposit,SouthWestAfrica/Namibia: A Deformed and Metamorpho...Abstract Matchless is oneof a numberof copper-zinc sulfidedeposits associated with the Matchless amphibolite...Samples copper-zincdepositsdevelopedalongthe Matchless were takenat 1-m intervalson traversesthroughthe...and 550 levels of the Matchless and metamorphosed maficigneousrockswithin the mine. Thin and polishedsectionswere...lytical methodsseeKlemd (1984). MATCHLESS,located 30 km southwestof Windhoek, is one of a number of semimassiveto |  | Kamona, A. F., Lévêque, J., Friedrich, G., Haack, U. (1999) Lead isotopes of the carbonate-hosted Kabwe, Tsumeb, and Kipushi Pb-Zn-Cu sulphide deposits in relation to Pan African orogenesis in the Damaran-Lufilian Fold Belt of Central Africa. Mineralium Deposita, 34 (3) 273-283 doi:10.1007/s001260050203 | Journal (article/letter/editorial) | | Kabwe (PbZn) and Tsumeb (Pb-Zn-Cu) in Zambia and Namibia, respectively, have been measured and found to...Kamona (&) University of Namibia, Science Faculty, Private Bag l3301, Windhoek, Namibia J. LeÂveÃque Centre...mean l-value of 10.25 0.12 in the Copperbelt region of Zambia and the Democratic Republic of Congo...deposit in Namibia which are shown to be related to upper crustal source rocks in the region. The isotopic...willemite, cerussite, smithsonite, goethite, and hematite, as well as a large number of phosphates, vanadates |  | | Journal (article/letter/editorial) | | the GorobMassiveSulfideProspect, DamaraOrogen,Namibia HORSTH)•USSINGER,* MARTIN OKRUSCH, Mineralogisches...lensesand several smaller sulfide occurrencesat Gorob, Namibia, are hostedby metaturbidites of the KuisebFor...mineralexploration. TheGorobprospect in theNamibdesertof Namibia consists of five smallmetamorphosed, sedimenthostedmassive...alteration. GOROB MASSIVE SULFIDE PROSPECT, NAMIBIA 73 Variousauthors(e.g.,Miller, 1983;Schmidt and...intracontinental branch of the Pan-African Damaraorogenof Namibia,about250 km southwest lites,althoughBreitkopfa |  | | Journal (article/letter/editorial) | | ridge subduction in the Pan-African Damara Belt, Namibia C. B. CROSS, J. F. A. DIENER AND A. F A G E R...Pan-African Damara Belt of central Namibia involved northward subduction of the Khomas Sea underneath the Congo...can be attributed to the confined extent of the Khomas Sea. Key words: accretionary metamorphism; Damara... asthenosphere can well up to heat the forearc region and accretionary wedge (Delong et al., 1979; Hibbard...Zo the Z SM u So BOTSWANA 21oS elt 25oS NAMIBIA ATLANTIC OCEAN p ie ar lt Be 29oS 27oS Kalahari |  | | Journal (article/letter/editorial) | | LOWER CAMBRIAN FISH RIVER SUBGROUP (NAMA GROUP, NAMIBIA) G. BLANCO AND P. ABRE Geología y Recursos Minerales...the Lower Cambrian upper Fish River Subgroup in Namibia were used to reveal the provenance of the detrital...setting. Palaeocurrents indicate that the main source region of the heavy and the host rock minerals is within...River Subgroup) of the Nama Group in southern Namibia, c.100 km north of the Orange River, along the...the boundary between South Africa and Namibia SOUTH AFRICAN JOURNAL OF GEOLOGY, 2014, VOLUME 117.1 PAGE |  | | 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... They emphasize the enormous potential of this region in terms of base (Cu, Pb, Zn, Co, Ni), precious |  | | Journal (article/letter/editorial) | | a classic collisional orogen: The Damara Belt, Namibia Ben Goscombe, David A. Foster, David Gray, Ben...a classic collisional orogen: The Damara Belt, Namibia, (2017), doi: 10.1016/j.gr.2017.07.006 This is...a classic collisional orogen: The Damara Belt, Namibia PT Ben Goscombe1*, David A. Foster2, David Gray3...collisional orogen of Cambrian age that closed the Khomas Ocean basin between passive margins on the Congo................................................... 16 3.2.1. Methodology ............................. |  | | Book (edition) | | A splendid specimen of wulfenite from Tsumeb, Namibia Half-title: Quartz, Nababeep Opposite: Mimetite...world famous Tsumeb mine Overleaf: Crystalline incrustations of vanadinite, Namibia Contents Acknowledgements...properties of minerals 12 Major rock-forming minerals 16 Minor rock-forming minerals 34 Igneous rocks ...mines. The geological map of Namibia which shows the mines and also farm boundaries. Both these maps show...smithsonite and chlorite, and stained red with hematite. AMETHYST A mauve to purple variety, often with |  | | Book | | (mantovani@usp.br) R.McG. Miller PO Box 11222, Windhoek, Namibia (rmmiller@mweb.com.na) A. Misi Centro de Pesquisa...Africa), 2004 in São Paulo (Brazil), 2005 in Windhoek (Namibia), 2006 in Punta del Este (Uruguay), 2007 in...southwestern Gondwana. Developments in Precambrian Geology, 16, Elsevier, pp. 3211. 1 2 3 4 Departamento de Geologı́a...Africa. Developments in Precambrian Geology, Volume 16 ISSN 0166-2635, DOI 10.1016/S0166-2635(09)01601-6...and Numees (Frimmel et al., 2002) formations of Namibia and the Jacadigo Group and Puga Formation of the |  | Blanco, G., Germs, G.J.B., Rajesh, H.M., Chemale, F., Dussin, I.A., Justino, D. (2011) Provenance and paleogeography of the Nama Group (Ediacaran to early Palaeozoic, Namibia): Petrography, geochemistry and U–Pb detrital zircon geochronology. Precambrian Research, 187 (1) 15-32 doi:10.1016/j.precamres.2011.02.002 | Journal (article/letter/editorial) | | the Nama Group (Ediacaran to early Palaeozoic, Namibia): Petrography, geochemistry and U–Pb detrital zircon...Provenance Petrography Geochemistry U–Pb zircon dating Namibia Southwestern Gondwana a b s t r a c t A provenance...southwestern Gondwana which crops out in southern Namibia and adjacent north-western South Africa. Petrographic...Abre et al., 2011). The Nama Group in southern Namibia and adjacent northwestern South Africa represents...Controversy surrounds the timing of the closure of the Khomas Sea (Damara Belt), the Adamastor and Brazilides |  | | Journal (article/letter/editorial) | | (after Oveisi 2001) and location of the Bavanat mine in the Sanandaj-Sirjan zone, Iran. Zarasvandi et...meta-sedimentary rocks and meta-volcanics. In the Harat region, the Toutak and Surian complexes form the lower...trend (Fig. 6). In the upper horizon, a quartz-hematite-chlorite schist unit occurs associated with the...reddish to brown in color imparted by abundant hematite and chlorite, is finely laminated to bedded silicate-oxide/or...laminated nature of the quartz-hematite-chlorite schist and its alternating hematite/pyrite-rich and quartz-chlorite-rich |  | | Journal (article/letter/editorial) | | closely link geomorphological (land)forms in a region with the climate during a certain period of time...and vanadocrete (vanadate). Panczner 1987 Tajo Mine, Hidalgo del Parral, Chihuahua, Mexico Panczner...goethite tenorite cuprite franklinite cerussite hematite dzhalindite (Pb-bearing) malachite smithsonite... Cu sedimenthosted (sandstonehosted) Kalengwa Mine, Zambia Cu-Co stratiform and vein-type REE-(Zn-PbCu)...al. 2001 malachite azurite cuprite Joumbira Namibia Cu sedimenthosted (sandstonehosted) Pb-Cu-Zn |  | | Report (issue) | | Wet Shaft, Tsumeb mine (photograph by Dr Gabi Schneider, Geological Survey of Namibia) MINISTRY OF MINES...GEOLOGICAL SURVEY OF NAMIBIA Director: B.G. Ho al BULLETIN 1 Type mineralogy of Namibia by Vaughan C. Daltry...from the Geological Survey P.O. Box 2168, Windhoek, Namibia Price Local (+GST) Abroad (Post Free) R20... ______ ........ Abstract The type mineralogy of Namibia is reviewed. One hundred and thirty-nine (139)...Twenty-three (23) unnamed phases are also listed. Namibia ranks second to Zaire as the most productive African |  | | Journal (article/letter/editorial) | | rifting and breakup of supercontinents with specific 16 examples involving Columbia, Rodinia and Gondwana...somewhat analogous to the modern 114 western Pacific region, dominantly composed of island arcs in the absence...synthesized by Zhao (2004) for the Western Pacific region shows 233 stagnant slabs floating in the mantle...detritus will get stacked in the middle mantle region due 250 to buoyancy, generating a ‘second continent’...eastern side of the Congo Ac ce p te d M 370 16 Page 16 of 69 384 Craton, the southern margins of |  | Boni, Maria, Terracciano, Rosario, Balassone, Giuseppina, Gleeson, Sarah A., Matthews, Alexander (2011) The carbonate-hosted willemite prospects of the Zambezi Metamorphic Belt (Zambia) Mineralium Deposita, 46 (7) 707-729 doi:10.1007/s00126-011-0338-7 | Journal (article/letter/editorial) | | willemite. Willemite is associated with specular hematite and franklinite and post-dates the Zn-spinel gahnite...that range from 160°C to 240°C and salinities of 8–16 wt.% equiv. NaCl. The homogenization temperatures...28.5 Mt @ 18% Zn; Berg Aukas and Abenab West, Namibia, ca. 3.5 Mt @ 15–25% Zn; Kabwe and Star Zinc, Zambia...hydrothermal fluids is preferred under oxidizing (hematite-stable) conditions at neutral to basic pH, low...willemite is paragenetically associated with specular hematite. Willemite occurs in both deposits as low-tonnage |
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