 | | 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 ....Northwest Region including Damaraland The Central Namib Desertand Escarpment The Spitzkoppen The Erongo Mountains...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 |  | | 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unpublished.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) | | the GorobMassiveSulfideProspect, DamaraOrogen,Namibia HORSTH)•USSINGER,* MARTIN OKRUSCH, Mineralogisches...lensesand several smaller sulfide occurrencesat Gorob, Namibia, are hostedby metaturbidites of the Kuise...mineralexploration. TheGorobprospect in theNamibdesertof Namibia consists of five smallmetamorphosed, sedimenthostedmassive...ofpremetamorphic alteration. GOROB MASSIVE SULFIDE PROSPECT, NAMIBIA 73 Variousauthors(e.g.,Miller...intracontinental branch of the Pan-African Damaraorogenof Namibia,about250 km southwest lites,althoughBreitkopfa |  | | Journal (article/letter/editorial) | | deformation in the Matchless massive sulphide deposit, Namibia N.J. Cook!, R. Klemd-, and M. Okrusch' 1 2 Mineralogisches...been enclosed in a matrix of chalcopyrite and pyrrhotite. The FeS content of sphalerite ('PFeS) depends...where pyrrhotite is dominant). Only where the sphalerite has been buffered by pyrite and pyrrhotite is application...are consistent with the tectonic history of the region . Investigations concerned with determining the...cupriferous pyrite deposit, 30 km southwest of Windhoek, Namibia, was mined for copper and pyrite from 1970 to 1984 |  | | Journal (article/letter/editorial) | | metamorphosed, stratiform sulfide deposit Matchless, Namibia By R. KLEMD,Bremen and M. OKRUSCH,W[irzburg*) With...schichtgebundenen Kupferlagersfiitte Matchless, DamaraOrogen, Namibia, ergeben Temperaturen zwischen 550 und 625 ~ und...stratiform sulfide deposit Matchless, Damara orogen, Namibia, yield temperatures between 550 and 625 ~ and pressure...geological map of the Damara orogen showing the Matchless mine area (modified after ADAMSON TEICHMANN,1986). Phase...amphibolite, and is linked with the smaller Matchless mine amphibolite band (Fig. 1). As is shown in Fig. 2 |  | | 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...Proterozoic Damara sequence.Besidespyrite and pyrrhotite the depositscontainminorchalcopyriteandvery subordinate...depositshas its own stratigraphicsectionthrough the Gorob ore lens is characteristics, therearemanysimilaritiesfromone...rocksdip at area to another.We usethe exampleof the Gorob 40 ø to the northwest.Facing criteria, especially |  | | Journal (article/letter/editorial) | | particular, two analyses of a sample from the Ore Knob mine, North Carolina (no. 11119/29), yield 6liB values...Elizabeth mine, Vermont Devonian(?) Amphibolite 1, 2 Cu, Zn, Ag Cu, Zn Elizabeth mine, Vermont Pike...Pike Hill mine, Vermont Devonian(?) Devonian(?) Amphibolite Amphibolite 1, 2 2, 3 Cu, Zn Cu, Zn ... Ely mine, Vermont Ore Knob mine, North Carolina Devonian(?) Late Proterozoic Amphibolite Amphibolite...Massachusetts Pb, Zn, Ag Sullivan mine, British Columbia Pb, Zn, Ag Sullivan mine, British Columbia Cu, Co, Au |  | | 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...Shaft , RK lo6 '* ShOo t Farm !2ø40tS eRK4 ,,•9 Mine 16050' E [•1 MetapehtlC Kulseb schists ':'"'":•...Matchlessmine (simplifiedfrom GeologicalSurveyof SWA/Namibia,Windhoek, unpub. geologicmap) with sample localities |  | Foster, R. P., Leahy, K., Hunns, S. R., Pelham, D. A., Lawrence, S. R., Harrison, A. E. (2001) Pan-African terranes: realizing the metal potential. Applied Earth Science, 110 (1) 15-23 doi:10.1179/aes.2001.110.1.15 | Journal (article/letter/editorial) | | Central African Copperbelt, and the Damaran Belt in Namibia, which hosts a considerable number of base-metal...rocks making up the Damara Orogen cover most of Namibia and consist of coastal and northeast-trending branches...of the Katangan Supergroup, which dominate the region, comprise a lower sequence of subaerial and shallow-marine...considerable evidence for thrust tectonics in the region, the previously accepted stratigraphic correlations...Mozambique Belt in Kenya and further south. Here the region comprises a complex sequence of accreted juvenile |  | | Journal (article/letter/editorial) | | terranes of Broken Hill, New South Wales, the Gorob mine in Namibia, the Aggeneys district of Namaqualand, and...volumes in Grenville gneisses of the Frontenac Axis region of southeastern Ontario, concluded that “ ... the...Broken Hill, but from the environs of the Aggeneys mine, Namaqualand. Beds 1 and 2 of Table 3 and Figure...volcanic-exhalative pyritic copper–zinc deposit at the Gorob mine, Namibia This sample is characterized by particularly...characteristic of the metamorphosed exhalative lens at the Gorob and associated orebodies, and indeed of many VMS |  | | Journal (article/letter/editorial) | | Colorado. John Betts specimen and photo. mine or Garnet Hill mine), near Southbury, New Haven County, and...crystals to 2 cm have been collected at the Island mine, Alstead, Cheshire County, and similar pegmatitic...place), Oven, and Humphrey mountains, and the Crehore mine on Casey Mountain (Sinkankas 1959). Good almandine...collected from the vicinity of the old Behr garnet mine near Chelsea, Bethel Township, and exceptional trapezohedra...baseballs” are reported from the dumps of the Vicama mine near Greens Store, east of Axton, Pittsylvania County |  | | Book | | Republic, 6 cm). Figure 1.2 Halite crystals (Namibia, 5.8 cm). 6 section devoted to the display of...(field of view 8 cm). Figure 1.3 An opencast iron ore mine (Postmasburg, South Africa). 7 microscopes, or...in groups 8–12, show marked deviation. In this region of the Periodic Table, electronegativity increases...bonded substances, the electrons are confined to the region between the nuclei of the bonded atoms and they...Fluorite showing stepped, cubic crystal faces (Erongo, Namibia, 5.8 cm). hence occurs less commonly. Figure |  | | 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 . . . . . . . . . . . . . . . . . . . . . . . |  | Moreno, C., Sáez, R., González, F., Almodóvar, G., Toscano, M., Playford, G., Alansari, A., Rziki, S., Bajddi, A. (2008) Age and depositional environment of the Draa Sfar massive sulfide deposit, Morocco. Mineralium Deposita, 43 (8) 891-911 doi:10.1007/s00126-008-0199-x | Journal (article/letter/editorial) | | pile inhibited oxidation and pyritization of pyrrhotite. Biostratigraphic analysis, based on the palynological...1988). All these deposits are characterized by pyrrhotite as the major sulfide mineral in close association...most extensive and representative outcrops in the region, i.e., Central, Rehamna, and Jebilet Massifs, constitute...rocks that host the massive sulfide deposits of the region, including that of Draa Sfar. The rocks have been...hosted by black shales, are characterized by pyrrhotite as the main ore mineral, constituting the groundmass |  | | Journal (article/letter/editorial) | | types differ in mineral composition, with pyrite-pyrrhotite-chalcopyrite ± sphalerite mineralization in the...earthquakes during the 20th century (Ulomov and the GSHAP Region 7 Working Group, 1999; Lee et al., 2003; Buslov...occurrence of disseminated Cu-Ni mineralization (pyrrhotite, pentlandite, chalcopyrite) was previously discovered...(Fig. 6f, g); (5) simple ore mineralogy (pyrite, pyrrhotite, chalcopyrite, magnetite, minor sphalerite);...δ34S, ‰ Pyrrhotite Chalcopyrite Pyrite Pyrrhotite Chalcopyrite Pyrrhotite Chalcopyrite Pyrrhotite Chalcopyrite |  | | Journal (article/letter/editorial) | | and Zfeifl, based on the geology of the Solleftea region in Northern Sweden, it may be assumed that the...East Waite and Old Waite Amulet in the Noranda ore region of the Abitibi volcanic belt in Canada, and the...addition to the deposits in which pyrite and pyrrhotite a r e the principal ore minerals ( Falun, Garpenberg-Norra...aulacogen. The southern part of the aulacogen, in the region of the Mt. Isa fold zone, is probably connected...southern Africa (Roche Pina, Matchless, etc., in Namibia, and Prieska and others in South Africa) ; the |  | | Book | | localities for good ilmenite crystals exist in the region (Brunet, I 977b ). NEW YORK Amity, Orange County...Springfield show ( 1995: 582). Madawaska [Faraday] mine near Bow Lake, Hastings County. Some of the world's...property of, the old Madawaska uranium mine (called the Faraday mine before 1964). The mineral assemblage...Cowgill, 1977). LATINAMERICA BRAZIL Jacupiranga mine, Sao Paulo. Among the crystallized minerals in the...in Switzerland, it is only in the Maderanertal region of east-central Canton Uri that clefts bearing |  | ZHENG, Y. C., GU, Lianxing, TANG, Xiaoqian, WU, Changzhi, LI, Chunhai, LIU, Sihai (2011) Geology and Geochemistry of Highly Metamorphosed Footwall Alteration Zones in the Hongtoushan Volcanogenic Massive Sulfide Deposit, Liaoning Province, China. Resource Geology, 61 (2) 113-139 doi:10.1111/j.1751-3928.2011.00154.x | Journal (article/letter/editorial) | | been mined Mine shut down Mine shut down Mine shut down Mine shut down Mine shut down Mine shut down ...sulfide ores. Ore minerals are dominated by pyrite, pyrrhotite, sphalerite and chalcopyrite in approximate proportions...Cu grades (2.51 to 3.50 wt%) are distributed at mine levels above 0 m, whereas those with higher Zn grades...(CDT). No granite intrusions have been found in the mine area. There are, however, numerous diabase dikes...that it is continuously distributed in the whole region (Zhang et al., 1984; Fang, 1992; Deng, 1994; Fang |  | | Book | | of the granite-gneissic Precambrian rocks of the region and of manganese mobilized by leaching of basalts...controlled by the structurally superimposed unwrapping region. This engendered the decisive conditions in the...granitized material itself. The wide country rock-region may in many cases be a significant contributor...continuing). 2. Pyrite, arsenopyrite, gold. 3. Pyrrhotite, chalcopyrite, stannite, native bismuth. 4. ...marcasite (both derived from the breakdown of earlier pyrrhotite), a minor second generation of arsenopyrite (associated |  | | Book | | apatite, ‘high’ quartz (beta quartz), nepheline, pyrrhotite, molybdenite, niccolite, wurtzite, etc. Trigonal...‘Copper Belt’ in Zaire and Zambia; and in Bura-Bura Mine, Australia. Sedimentary copper is found in schists...also found there on 26 January 1905 in the Premier Mine. For several decades these South African diamond...is found in pegmatites (in California, USA, and Namibia), and in some volcanic rocks where it forms part...(Copperbelt Zone), Transvaal, and near Tsumeb, Namibia. Prospective ores may include mineralized sandstones |  | | Book | | apatite, 'high' quartz (beta quartz), nepheline, pyrrhotite, molybdenite, niccolite, wurtzite, etc. Trigonal...'Copper Belt' in Zaire and Zambia; and in Bura-Bura Mine, Australia. Sedimentary copper is found in schists...also found there on 26 January 1905 in the Premier Mine. For several decades these South African diamond...is found in pegmatites (in California, US~ and Namibia), and in some volcanic rocks where it forms part...(Copperbelt Zone), Transvaal, and near Tsumeb, Namibia. Prospective ores may include mineralized sandstones |  | | Book (edition) | | Linopolis, Brazil, H Page 13: Gold, 35 mm.Eagle's est Mine, California, G Publi!>hed by Grdllit.u.o. Stefanikova43...abbreviated, e.g. canton (Switzerland), vilayet (Turkey), region (Chile), kray and oblast (Russia). The country...by Mobutu, and is now the Katanga administrative region again. The former Kivu province is now divided...United States or of the Upper Silesian historical region in Poland, where the importance of ore-bearing...Rice, Dolores co., both Colorado, at the Questa mine, Taos co., New 1994. Abernathyite K2[(UOJ 2l(AsO_J2]•6HzO |  | | Journal (article/letter/editorial) | | compass. It was superseded in 1770 by the Swedish Mine-compass (Fig. 1), probably the oldest instrument... Reid (1980), Paterson (1983), Fig. 1. Swedish mine compass, probably the oldest instrument invented...Pyrite (ore) Haematite (ore) Magnetite (ore) Pyrrhotite Ilmenite Siderite Chromite 10-65 20-40,000 0...19. Aeromagnetic contour interpretation map of Gorob prospect in South West Africa, showing major geological...magnetometer (A) and Turam EM survey (13) of the Mattagami mine area. (After Paterson, 1966. ) 353 ~ } Blueground |  | | 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...Pålsson Tracking ore mineral characteristics from mine to concentrate: the fate of electrum at the Cavanacaw... Mineral magnetism identifies the presence of pyrrhotite in the Navan Zn-Pb deposit, Ireland: implications |  | | 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 |
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