 | | 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unpublished.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) | | 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...depositshas its own stratigraphicsectionthrough the Gorob ore lens is characteristics, therearemanysimilaritiesfromone...rocksdip at area to another.We usethe exampleof the Gorob 40 Ćø to the northwest.Facing criteria, especially...(pebbles) 10m sfaur - gar - bl - ky schisf The Gorob ore lens is capped by magnetite quartzite, extendsabout |  | | Journal (article/letter/editorial) | | deformation in the Matchless massive sulphide deposit, Namibia N.J. Cook!, R. Klemd-, and M. Okrusch' 1 2 Mineralogisches...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...Accessory marcasite, galena, bornite, cubanite and molybdenite have also been previously recorded (Adamson and... belonging to the Darnara sequence in central Namibia. The amphibolite is interpreted as the sliced-offpart |  | | 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 !2Ćø40tS eRK4 ,,ā¢9 Mine 16050' E [ā¢1 MetapehtlC Kulseb schists ':'"'":ā¢...Matchlessmine (simplifiedfrom GeologicalSurveyof SWA/Namibia,Windhoek, unpub. geologicmap) with sample localities |  | | 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 8ā12, 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 . . . . . . . . . . . . . . . . . . . . . . . |  | | 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...Beiley collected molybdenite specimens showing crystals to 6 cm (see this entry for Molybdenite), and in a...Cowgill, 1977). LATINAMERICA BRAZIL Jacupiranga mine, Sao Paulo. Among the crystallized minerals in the |  | Hou, Zengqian, Pan, Xiaofei, Li, Qiuyun, Yang, Zhiming, Song, Yucai (2013) The giant Dexing porphyry CuāMoāAu deposit in east China: product of melting of juvenile lower crust in an intracontinental setting. Mineralium Deposita, 48 (8) 1019-1045 doi:10.1007/s00126-013-0472-5 | Journal (article/letter/editorial) | | previous molybdenite ReāOs dating (Table 1). Five molybdenite samples from the Fujiawu mine give a range...170Ā±2 Ma for the Tongchang mine, close to that of 173Ā± 3 Ma for the Zhushahong mine (Zhou, unpublished data)...data). The molybdenite ReāOs age data are consistent with the zircon UāPb data, indicating that the CuāMo...et al. 1984, 2005). a Zhushahong mine. b Tongchang mine. c Fujiawu mine Miner Deposita Fig. 5 Photographs...Diabase dikes in granodiorite porphyries at Tongchang mine. b MME surrounded by a 2- to 4-mm-wide felsic halo |  | | Book | | quartz (beta quartz), nepheline, pyrrhotite, molybdenite, niccolite, wurtzite, etc. Trigonal system (rhombohedral)...āCopper Beltā in Zaire and Zambia; and in Bura-Bura Mine, Australia. Sedimentary copper is found in schists...and very often was mistaken for the similar molybdenite. Its name is derived from the Greek graphein...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 |  | | Journal (article/letter/editorial) | | earthquakes during the 20th century (Ulomov and the GSHAP Region 7 Working Group, 1999; Lee et al., 2003; Buslov...(bimodal-felsic, bimodal-siliciclastic): Fukazawa, Hanaoka mine (total), Hanawa, Kosaka Group (total), Kosaka-Ezuri...position of main types of VMS deposits in this region. Compiled by K. Lobanov and A. Yakubchuk. (a) Neoproterozoic...of the Matchless belt pyritic copper deposits, Namibia: Economic Geology, v. 83, p. 710ā723. Briggs, S...Evolution of the Paleo-Asian ocean (Altai-Sayan region, Central Asia) and collision of possible Gondwana-derived |  | | Book | | quartz (beta quartz), nepheline, pyrrhotite, molybdenite, niccolite, wurtzite, etc. Trigonal system (rhombohedral)...'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 | | 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...haematite. 2. Cassiterite, tantalite, wolfram, molybdenite. 3. Pyrrhotite, pentlandite, lƶllingite, arsenopyrite...the new mineral (metasome) or may diffuse into a region of increasing mobility, culminating in a solution |  | Wang, Shiwei, Zhou, Taofa, Yuan, Feng, Fan, Yu, Cooke, David R., Zhang, Lejun, Fu, Bin, White, Noel C. (2016) Geochemical characteristics of the Shujiadian Cu deposit related intrusion in Tongling: Petrogenesis and implications for the formation of porphyry Cu systems in the MiddleāLower Yangtze River Valley metallogenic belt, eastern China. Lithos, 252. 185-199 doi:10.1016/j.lithos.2016.02.013 | Journal (article/letter/editorial) | | in the Tongling region, which contains numerous Cu-Au deposits. In the Tongling region, marine sequences...NNE-trending folds and multistage faults. In the region more than 70 intrusions crop out, some containing...that are associated with potassic alteration. Molybdenite Re-Os and biotite 40 Ar-39Ar dating indicate...residual garnet and hornblende in the magma source region. The petrogenesis of Mesozoic intrusive rocks with...appeared IP T after the Late Triassic as the region entered an intraplate deformational stage. Therefore |  | | 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]ā¢6HzO |  | | Book | | deposits in Texas and Louisiana (USA), Tarnobrzeg region and Mach6w (Poland), Karakum Desert and Volgaland...minerals: molybdenite (8), manganese minerals ā¢ Distinguishing features: the streak of blue molybdenite is greenish...(217), marcasite (437) ā¢ Occurrence: common; Clay region in Alabama (USA); Harz (GDR), FRG, Botogol deposit...Caucasus - crystals up to 1.5 cm (USSR), Getchell Mine - Nevada (USA) ā¢Application: ore (extraction of...Butte - Montana - fine crystals (USA), Tsumeb (Namibia), Bor (Yugoslavia), Baita (Romania), in Mansfeld |  | | Book | | museum quality but many minerals can be found on mine dumps or can be purchased or traded. After introducing...over its beer: to go underground in a non-working mine is sheer folly unless you are accompanied by someone...(preferably several people) who really knows the mine. Before venturing into the field serious collectors...really is a matter of life or death when you are in a mine - only a plan will show where water on the floor...even on you. If you are recovering specimens from a mine (few collectors can or should do this) watch the | | | Book | | illustrated Encyclopedi of the Worldās Rocks and Mine re L A R E N MI OF THE WORLD Rudolf Duda and...deposits in Texas and Louisiana (USA), Tarnobrzeg region and Machow (Poland), Karakum Desert and Volgaland...water. Graphite is brittle when y minerals: molybdenite (8), manganese minere Similar cleaned mechanicall...Distinguishing features: the streak of blue molybdenite is greenish. Graphite has a dull lustre and lower...(217), marcasite (437) e Occurrence: common; Clay region in Alabama (USA); Harz (GDR), FRG, Botogol deposit |  | | 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 |  | | 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...PĆ„lsson Tracking ore mineral characteristics from mine to concentrate: the fate of electrum at the Cavanacaw...distribution in sulphides of the epithermal Co-O mine, Mindanao, Philippines ....................... |  | Pan, Xiaofei, Hou, Zengqian, Zhao, Miao, Chen, Guohua, Rao, Jianfeng, Li, Yan, Wei, Jin, Ouyang, Yongpeng (2018) Geochronology and geochemistry of the granites from the Zhuxi W-Cu ore deposit in South China: Implication for petrogenesis, geodynamical setting and mineralization. Lithos, 304. 155-179 doi:10.1016/j.lithos.2018.01.014 | Journal (article/letter/editorial) | | 1999; Huang et al., 2013; Pan et al., 2017). The molybdenite Reā Os dating result from one small WāCu molybdenum...Pan et al. (2017) reported Muscovite ArāAr and Molybdenite ReāOs datings of 150.04Ā±2.0 (MSWD=0.88) and 146...ismuthinite, bornite, tetrahedrite, sphalerite, molybdenite and arsenopyrite (Pan et al., 2017). At least...t(Ma) diagram (Fig. 11a), they all fall into the region restricted by the Shuangqiaoshan Group and Proterozoic... SC (2017) reported ReāOs isochron ages of molybdenite of 145.9 Ā± 2.0 Ma~148.7 Ā± 2.2 Ma and muscovite |  | | Book | | (Aust.) Pty. Ltd., 19 a Boundary Street, Rushcutters Bay, N.S.W. 2011, Australia Pergamon Press S.A.R.L.,...places of extreme differentiation (e.g., at the Frood Mine and at Insizwa) bismuth and tellurium minerals are...are also found, and occasionally also molybdenite, graphite, gold, and others. At Magnet Heights, Transvaal...(1940). 12 T H E ORE MINERALS FIG. 4 80 X Mouat Mine, Stillwater Valley, Montana RAMDOHR From a border...("solutions", "melts", and " v a p o r s ' " in this region are not sharply distinguishable). However, this |  | | Book | | dispersion mechanisms that have operated in each region and environment and indicate suitable exploration...transition Mean annual rainfall (mm) Climatic region TABLE 1.1-2 Climatic regions of pedogenetic significance...1989b), with some of the iron ores of the Hamersley region being products of deep supergene weathering about...dispersion models being developed in each climatic region. The differences between equivalent models are...approach would have particular value in a restricted region, for which landforms or facets are well defined |  | | Report (volume) | | pentaborate sheet structure from the Tuzla salt mine, Bosnia and Hercegovina. Am Mineral 79:562-569 Beukes...new hydrous calcium borate, from the Death Valley region, California. Am Mineral 44:911-919 Erd RC, McAllister...new hydrous calcium borate from the Death Valley region, California. Am Mineral 46:560-571 Erd RC, Morgan...(1989) Mineralogy and paragenesis of the Little Three mine pegmatites, Ramona District, San Diego County, California...member of the mica group, from the Little Three mine pegmatite, Ramona District, San Diego County, California |
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