 | | 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unpublished.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 |  | | 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 |  | | Journal (article/letter/editorial) | | circles). Inset shows location of South West Africa/Namibia. This paper is primarily concerned with those parts...(900) pe bbl y quartzite and schist, chlorite sericite schist, graphitic schist amphibole schist Corona...refolded relics. Observations by the writers in the Gorob, Schlesien, Neudamm and Omitara areas {Fig. 4) show...having a generally westward dip is developed in the Gorob area, but becomes progressively more intense from...1979), small-scale examples of which occur south of Gorob {Sawyer, 1978, fig. 5). The sense of thrusting in |  | | 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 |  | | 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 . . . . . . . . . . . . . . . . . . . . . . . |  | | Journal (article/letter/editorial) | | hanging wall. Zonation of metal elements in the Ashele mine is one of typical volcanic-related exhalative Cu-Zn...categories of minerals have been recognized in the Ashele mine, but only pyrite, chalcopyrite, sphalerite, tetrahedrite...tetrahedrite, galena, barite, quartz, chlorite, sericite, and calcite are dominant, making up various types...and gold is expected in the vicinity of the Ashele mine and surrounding area. Since the discovery, the Ashele...(Chen W. A. et al., duced in the east of the Ashele mine, and a lot of gold 1989; Chen Y. Z.,1989; Chen Y |  | | 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 8â12, 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 |  | Moreno, C., SĂĄez, R., GonzĂĄlez, F., AlmodĂłvar, 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) | | 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...uneven distribution at the scales of ore lenses and mine district. Our own observations at the Sidi MâBarek...deformation (shearing) affecting the whole Jebilet region. Primary textures were virtually obliterated during...additional alteration style, characterized by sericite recrystallization, was formed by late fluids generated |  | Hou, Zengqian, Pan, Xiaofei, Li, Qiuyun, Yang, Zhiming, Song, Yucai (2013) The giant Dexing porphyry CuâMoâAu 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) | | (Table 1). Five molybdenite samples from the Fujiawu mine give a range of ReâOs model ages that vary from...170±2 Ma for the Tongchang mine, close to that of 173± 3 Ma for the Zhushahong mine (Zhou, unpublished data)... H1 m Q ” H N 2 Chloriteâsericite phyllite 3 Quartzâsericite phyllite H H H1 Zhushahong H...flysch sediments 2+3 Chloriteâsericite phyllite and q uartzâsericite phyllite Altered granodiorite porphyry...from Kfeldsparâbiotite, through quartzâsericite and chloriteâsericite, A -300m level plan and finally |  | 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 MiddleâLower 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...transitional phyllic alteration (e.g., quartz, sericite) zone, and a rim of Ca-silicate alteration (e...alteration, TE propylitic alteration and quartz-sericite alteration (Fig. S2). Similar plots indicate that...residual garnet and hornblende in the magma source region. The petrogenesis of Mesozoic intrusive rocks with |  | 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 ...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...and Ba SigniïŹcant loss of K2O, Rb and Ba exclude sericite was the dominated hydrothermal mineral in both |  | | Journal (article/letter/editorial) | | earthquakes during the 20th century (Ulomov and the GSHAP Region 7 Working Group, 1999; Lee et al., 2003; Buslov...Its rocks are highly calcareous, consisting of sericite-chlorite-quartz, carbonate-chlorite-quartz, and...minerals Anthophyllite, chlorite, quartz Quartz, sericite, chlorite, carbonate, barite Main ore minerals...(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 |  | | 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...1). Consequently, the tectonic evolution of this region is crucial to understanding the RI assembly of...in the South Ugab Zone, collected from Dead Sea mine pit at longitude 014.20247Âș, latitude -21.78435Âș |  | | 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 |  | | 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 |  | | Book | | illustrated Encyclopedi of the Worldâs 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...(217), marcasite (437) e Occurrence: common; Clay region in Alabama (USA); Harz (GDR), FRG, Botogol deposit...Caucasus â crystals up to 1.5 cm (USSR), Getchell Mine â Nevada (USA) e Application: ore (extraction of...Butte â Montana â fine crystals (USA), Tsumeb (Namibia), Bor (Yugoslavia), Baita (Romania), in Mansfeld |  | 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) | | and alb ite are slightly or locally altered into sericite or muscovite. In areas where the RI alteration...ilmenite. M icrocline and albite are altered into sericite and even argillit ization (Fig. 3h). So me AC...alkali feldspar is slightly or locally altered into sericite (Fig. 3d). Some fine-grained biotite is usually...textures and assemblages dominated by chloriteâpyriteâsericite and albiteâcalciteâepidote (Fig. 3), showing that...t(Ma) diagram (Fig. 11a), they all fall into the region restricted by the Shuangqiaoshan Group and Proterozoic | | | Book | | deposits in Texas and Louisiana (USA), Tarnobrzeg region and Mach6w (Poland), Karakum Desert and Volgaland...(217), marcasite (437) âą Occurrence: common; Clay region in Alabama (USA); Harz (GDR), FRG, Botogol deposit...Caucasus - crystals up to 1.5 cm (USSR), Getchell Mine - Nevada (USA) âąApplication: ore (extraction of...Butte - Montana - fine crystals (USA), Tsumeb (Namibia), Bor (Yugoslavia), Baita (Romania), in Mansfeld...- aggregation of crysta ls from pil e of a coal mine; Kladn o (Czechoslovakia - width of field 15 mm) |  | | 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...PĂ„lsson Tracking ore mineral characteristics from mine to concentrate: the fate of electrum at the Cavanacaw...Lasskogen & Hein Raat Residence of Au in adularia-sericite epithermal deposits: Implications from the Simberi |  | | 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 |  | | Journal (article/letter/editorial) | | zircon population that reïŹects ages in the source region to the migmatite protolith. Detrital zircon from...insights into the composition and evolution of this region, enabling better correlations with surrounding...retrograde mineral phases are chl, pinite and sericite. In thin section, thin compositional layers are...(Hoskin and Schaltegger, 2003), reïŹecting the source region for metasediments. Twentyseven grains were analyzed...of a magmatic origin in the sedimentary source region. Thirty-four UâThâPb analyses on a total of twenty-seven |  | | Book | | âCopper Beltâ 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... Riechelsdorf, Bieber and Dillenburg, FRG; Cap Mine, Pennsylvania, USA; and Brompton Lake, Canada. Large |  | | Book | | '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...Kamsdorf, Riechelsdorf, Bieber and Dillenburg, FRO; Cap Mine, Pennsylvania, USA; and Brompton Lake, Canada. Large |  | | 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...the new mineral (metasome) or may diffuse into a region of increasing mobility, culminating in a solution...abundant in arsenopyriterich samples from Wongabah Mine, characteristically forming aggregates of fibrous |  | | Book | | (mantovani@usp.br) R.McG. Miller PO Box 11222, Windhoek, Namibia (rmmiller@mweb.com.na) A. Misi Centro de Pesquisa...2004 in SaÌo Paulo (Brazil), 2005 in Windhoek (Namibia), 2006 in Punta del Este (Uruguay), 2007 in Stellenbosch...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 |
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