 | | 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...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 |  | | 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...peripheral quartz-dominant veins with pyrite-magnetite-chalcopyrite-apatite-molybdenite-native gold ore...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 |  | | 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unpublished.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) | | Settingof the MatchlessBelt Pyritic Copper Deposits,Namibia JORGH. BREITKOPF Universityof the Witwatersrand...mphibolitebelt in the Damara orogenin central Namibia. The amphibolitesrepresent metamorphosedtholeiitic...southernmargin 1983b), predominate.Northeast of Windhoek and zone.It containsonlythe highestlithostratigraphic... 1). At the time of writing, only one deposit,Otjihase,is being mined. staurolite q- chlorite q- muscovite...metric tons kyanite + biotite + H20 (1) . of ore (Otjihase);in additionto copper,it carries TECTONIC SETTING |  | | Book | | dition Schloss Freudenstein Ludi von Bezing RainerBode • SteffenJahn in Collaboration with PeterLyckberg... AiAiba / farm Anibib 136 8 Grosse Spitzkoppe, Erongo 9 , .,/, loringa tree . Khomas Highland...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) | | 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 |  | | 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) | | MatchlessMetamorphosedMassiveSulfideDeposit, SouthWest Africa/Namibia: Wall-Rock Alteration during SubmarineOre-Forming...Matchlessamphibolitebelt in the upperProterozoicDamaraorogen(SWA/Namibia). In the footwallof the ore shootsare pyrite-b...Matchless mine area, and depositsrelated to the MatchlessMember in the up500 m north of the mine, the major...RK 18 19 u. Farm Otjompaue Su•. Farm Keres 6 260m Shaft , RK lo6 '* ShOo t Farm !2ø40tS eRK4 ... ,,•9 Mine 16050' E [•1 MetapehtlC Kulseb schists ':'"'":• Serlclte (magnetrote) quartzite • Amphlbohte |  | | 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...ähnliche Vergleichungen auf die vereinigte Masse von Asien, Afrika und Europa anzuwenden, so zeigt sich...tectonostratigraphic domains and structures of the region are presented, together with implications for the |  | | Journal (article/letter/editorial) | | Oamitesis relativelylow. Introduction THE Oamites mine is situated 45 km south of Wind- hoek,the capitalof...tectonically stableGeelkopdome immediatelysouthof Oamites mine. Dips are generallylessthan 40ø and middle gree...name "Oamites Fro. 1. Location map showing Oamites mine and the Zambian Copperbeltin relation to the late...quartzite, minor marble, amphibolitic schist, tillire Khomas Subgroup Marble, quartzite, graphitic schist ...Formation Nosib Hanging Wall: Quartzite, argillite Mine Series Group Ore: Sericitic quartzite, schist |  | | Report (issue) | | Moroni Lusaka*--- • Ha B MOZAMBIQUE NAMIBIA ( Windhoek* Gaborone * Pretoria * Mbabane REPUBLIC... 105 Mozambique . . . . . . . . . . . . . 113 Namibia . . . . . . . . . . . . . . . . 119 Nigeria . ...of diversified experience in mineral exploration, mine design, development, and operations, as well as...mineral industry of Canada, Iran, Mexico, and Namibia. He is also the Bureau's specialist on the North...in Africa and the Middle East, especially Iraq, Namibia, South Africa, and Zaire. Hendrik G. van Oss is |  | | 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...and Numees (Frimmel et al., 2002) formations of Namibia and the Jacadigo Group and Puga Formation of the...thermally subsiding basins, such as in northern Namibia, South Australia and northwestern Canada. The so-called...problematic fossil Otavia in middle Cryogenian rocks in Namibia as a sponge (Brain et al., 2001, 2003, 2008) and |  | | Journal (article/letter/editorial) | | earthquakes during the 20th century (Ulomov and the GSHAP Region 7 Working Group, 1999; Lee et al., 2003; Buslov...30 22 59 15 50 53.4 30 48 224.5 106.7 2.0 4.5 3.1 60 125 10.8 9 40.3 10 25 4.7 2.6 5.1 3.9 10 4 2 11.1...presence of amphibolites, which constitute 30 to 60% of its 1,800-m thickness (Fig. 4b). The ore-bearing...mineralogy (pyrite, pyrrhotite, chalcopyrite, magnetite, minor sphalerite); (6) overwhelming dominance...to 10%) and pyrrhotite (60–99%), with rare sphalerite, pyrite, and magnetite. Copper (1.2%) dominates |  | | Book | | papers and 19 geological maps in Western Australia, Namibia and Greenland. Throughout his career, which has...4.3.9 The Brandberg West Greisen Vein Systems, Namibia . . 4.3.10 The Kalguta Mo-W-Be-Bi Greisen System.... . . . . . . . . . . . . . . 6.5.1 Navachab, Namibia. . . . . . . . . . . . . . . . . . . . . . . ....Cu Deposits of the Matchless Amphibolite Belt, Namibia . . . . . . . . . . . . . . . . . . . . . . . 7...Pb-Zn-Cu-Ag-V Deposits of the Otavi Mountain Land, Namibia . . . . . . . . . . . . . . . . . . . . . . . |  | | Conference Proceedings (Volume) | | Cover photograph: View of the Aitik open pit copper mine in the very north of Sweden. Mining operations started...ore body structural complexities: KDC East Gold Mine, South Africa . . ...............................exploration for VMS deposits, Matchless Belt, Namibia . . .................. 142 Fred Kamona & Moses...Emilie Boutroy Trace element geochemistry of magnetite and its relationship to mineralization in the...Iain M. Samson, Luke Ootes & Louise Corriveau Magnetite chemistry in skarns of the Bohemian Massif: evaluating |  | | Book | | Pasadena, CA Editors A. EI Goresy, Heidelberg W. von Engelhardt, Tiibingen . T. Hahn, Aachen F. J. Sawkins...52 59 60 62 1.6 Additional Deposits of Principal Arcs ...... 64 1.6.1 Massive Magnetite Deposits...Deposits ................ . 4.5.2 The Homestake Gold Mine, South Dakota .. 4.5.3 Pre-Metamorphic Stratiform...Post-Metamorphic Quartz-Rich Vein Ores: The Sigma Mine, Quebec ................ . 4.5.5 Discussion and...Copper-Nickel Deposits of the Noril'sk-Talnakh Region, USSR ........... . 7.5.2 Discussion ......... |  | | Book | | reasons for the approach taken Mineral deposit or mine? A genetic model as the basis for exploration The...many geologists who have given their time during mine visits and responded to our queries. We have benefited...Decline Doline A downward inclined tunnel into a mine or potential ore body. A funnel-shaped depression...shaft excavated upwards for connecting levels in a mine or ore body. Ripping The removal of overburden...of the problems which face the mine geologist. The function of the mine geologist varies considerably |  | | Report (issue) | | investigations of Precambrian geology in the Great Lakes region by department faculty, beginning with R. D. Irving...in the geological development of the Great Lakes region. The symposium was attended by approximately 150...resources, and Proterozoic geology of the Great Lakes region. Papers from the last category have been published...Grenville and Dalslandian belts in the North Atlantic region formed with prominent Andean-type and Himalayan-type...Grenville-Dalslandian mo¬ bile belt formed in the North Atlantic region. Isotopic ages elsewhere in the world peak in this |  | | Book | | Africa 194 3.5.2. The Damaraland alkaline province, Namibia 198 3.5.3. Carbonatites 199 3.5.4. Kimberlites...metamorphism in the Central Zone ofthe Damara Orogen, Namibia 6.3.2. Anorogenic metamorphism in the eastern Pyrenees...that metals, oxides and silicate dominated in the region between Mercury and the asteroid belt. Details...crystallographic axes will aceeierate in the given region, thereby providing another way of mapping out hot...other of the above cases dominating in a given region. More recently, measurements of crustal Poisson's |  | | Book | | "Broadly regarded, the depth ta which a metalliferous region has been eroded affects its present characteristics...sills), if they are exposed in outcrop or in the mine workings at all. The Climax Mo complex is the best...author. localities (e.g. the large Marcona zone of magnetite bodies replacing Jurassic marine limestones at...Batholith and intersecting the magnetite orebodies, produced magnetite, actinolite, minor calcite, quartz...known (e.g. the Montana Tunnels deposit, Obelisk Mine). The former locality contains disseminated pyrite |  | | Book | | "Broadly regarded, the depth to which a metalliferous region has been eroded affects its present characteristics...sills), if they are exposed in outcrop or in the mine workings at all. The Climax Mo complex is the best...i localities (e.g. the large Marcona zone of magnetite bodies replacing Jurassic marine limestones at...Batholith and intersecting the magnetite orebodies, produced magnetite, actinolite, minor calcite, quartz...known (e.g. the Montana Tunnels deposit, Obelisk Mine). The former locality contains disseminated pyrite |  | | Book | | State to accelerate the economic development of the region. When we wrote our first monograph on the Geology...Friedrich, respectively, as well as Mr. Joachim von der Wense (former Lord Mayor of the City of Greifswald...activities whenever I am in Greifswald. Mrs. Marianne von Weber, Mrs. Kathleen Carls, Mrs. Ulrike Borgwardt... . . . . . . . . . . . . . . . . . . . . . . 57 60 62 65 5 The Bornu Basin (Nigerian Sector of the...petroleum in Nigeria is derived from the Niger Delta region. The South–South geopolitical zone along with Abia |  | | Report (issue) | | post-depositional processes in uranium ores at the Stanleigh mine, Elliot Lake, Ontario, Canada.....................temperature springs at oceanic spreading centers (Von Damm, 1990; Hemley et al., 1992). The iron concentrations...Duration yr >1000 >1000 >30,000 ~11,000 Note: Data from Von Damm, (1990), Douville et al., (2002), Kelley et...also may have been correspondingly even higher (Von Damm, 2000; Bounama et al., 2001; Allen and Seyfried...concomitant release of two protons (equations 1 and 2) (Von Damm, 1990; Allen and Seyfried, 2003), less well |  | | Book | | R. (1919) On the origin of Kuroko of the Kosaka mine. J. Geol. Soc. Japan, 26, 107-132 (in Japanese)...are divisible into magnetite-series and ilmenite-series (Ishihara, 1977). Magnetite-series granitoids...distinct: Mo, Cu, Pb, Zn, Au and A g with the magnetite-series; Sn, W and rare earth with the ilmenite-series...contamination of carbon-bearing sediments, whereas the magnetite-series granitic magma ascended from the lower...Cu-Fe skarn-type deposits occur associated with magnetite-series granitic rocks. Ore deposits associated |
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