 | Borg, G., Karner, K., Buxton, M., Armstrong, R., Merwe, S. W. v. d. (2003) Geology of the Skorpion Supergene Zinc Deposit, Southern Namibia. Economic Geology, 98 (4) 749-771 doi:10.2113/gsecongeo.98.4.749 | Journal (article/letter/editorial) | | 749–771 Geology of the Skorpion Supergene Zinc Deposit, Southern Namibia GREGOR BORG,† KATRIN KÄRNER...South Africa Abstract The Skorpion zinc deposit in southwestern Namibia comprises a significant nonsulfide...age of 751.9 ± 5.5 Ma. The basin that hosts the Skorpion deposit has been shaped by horst and (half-)graben...style of the region is the result of intense faulting, folding, and thrusting. The Skorpion orebody is...premetamorphic and predeformation origin. In contrast, the Skorpion nonsulfide zinc deposit is of postmetamorphic |  | | Journal (article/letter/editorial) | | 19 Stratigraphic setting of the metalliferous Rosh Pinah Formation and the Spitzkop and Koivib Suites...Suites in the Pan-African Gariep Belt, southwestern Namibia D.J. Alchin Kumba Resources, P O Box 1224, Postmasburg...proposed for the Neoproterozoic Rosh Pinah Formation in southwestern Namibia. The formation forms part of...major economic base metal deposits at Rosh Pinah and Skorpion. It is characterised by the presence of...failed intracratonic rift graben in the east (Rosh Pinah Graben) that was separated by a basement horst |  | | Journal (article/letter/editorial) | | sediment-hosted Rosh Pinah Zn-Pb-Ag deposit in the Pan African Gariep Belt, southwestern Namibia Abraham Rozendaal...ABSTRACT Limitations on the life-of-mine of the sediment-hosted Rosh Pinah deposit urged exploration for extensions...from detailed lithogeochemical traverses on the C Mine and Eastern Orefield, coupled with mineralogical...of a large (n > 400) multielement data set of the mine area, showed that the extent of wall rock alteration...Indices devised for the various lithologies of the Rosh Pinah deposit, such as the Barium Alteration Index |  | | 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 |  | | Book | | 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...__ Republic of Namibia The President State House W°Ntdhoek FOREWORD Namibia is endowed with an...from near and far. Fine mineral specimen from Namibia are displayed in all the famous natural science |  | Will, Thomas M., Höhn, Stefan, Frimmel, Hartwig E., Gaucher, Claudio, le Roux, Petrus J., Macey, Paul H. (2020) Petrological, geochemical and isotopic data of Neoproterozoic rock units from Uruguay and South Africa: Correlation of basement terranes across the South Atlantic. Gondwana Research, 80. 12-32 doi:10.1016/j.gr.2019.10.012 | Journal (article/letter/editorial) | | Vredefontein and Rosh Pinah formations in westernmost South Africa and southern Namibia and have -p been...Jo basement after separation from their source region. However, the source regions and the time of extractions...Richtersveld Igneous Complex, Vredefontein Formation, Rosh Pinah Formation 3 Journal Pre-proof 4 1. Introduction...Complex in northernmost South Africa and southern Namibia (Bossi and Gaucher, 2004), and (v) Namaqua Province...subordinately mafic ur rocks in the Rosh Pinah area in southernmost Namibia (Fig. 1). These rocks were Jo |  | | Book | | systematically present the geology of each country, region and continent on Earth. Each book aims to provide...counterpart of the Oranjemund Group (Gariep Belt) cropping out in the western borders of Namibia and South Africa...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 | | 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) | | still work? 6. Examples of “Others” 32 6.1 Skorpion – Everybody’s dream 32 6.2. Deposits in South-Eastern...Accha – real calamine? 6.2.2. Yanque – a “small Skorpion”? 34 35 37 7. Nonsulfide Deposits of Other Metals:...version: vanadates in the Otavi Mountainland (Namibia) 42 8. Discussion and conclusions 43 Acknowledgements...deposits like the famous, silicate-hosted Skorpion (Namibia) are mineralogically challenging, but their...development or advanced exploitation stage include Skorpion (Namibia), Lan Ping (China), Angouran and Mehdiabad |  | Lan, Zhongwu, Huyskens, Magdalena H, Lu, Kai, Li, Xian-Hua, Zhang, Gangyang, Lu, Dingbiao, Yin, Qing-Zhu (2020) Toward refining the onset age of Sturtian glaciation in South China. Precambrian Research, 338. 105555 doi:10.1016/j.precamres.2019.105555 | Journal (article/letter/editorial) | | that gradually transitions into the underlying sericite slate of the Gongdong Formation deposited in deep-water...6 Ma from the Port Nolloth Group of southwest Namibia. Frimmel et al. (1996) reported a Pb–Pb zircon...evaporation age of 741 ± 6 Ma from the Rosh Pinah Formation of southwest Namibia. Key et al. (2001) obtained a...must have been quick enough around the tropical region so that they could escape melting and sublimation...Zhuang Autonomous Region), 1985. Regional Geology of Guangxi Zhuang Autonomous Region. Geological Publishing |  | | Journal (article/letter/editorial) | | developed by Anglo-American at the Skorpion zinc SXEW plant in Namibia. The increase in the Zn prices in...oxide projects. Those with metallurgy similar to Skorpion, where † Corresponding author: e-mail, boni@unina...(Beltana, Australia; Vazante, Brazil; Berg Aukas, Namibia, Kabwe, and Star Zinc, Zambia), associated with...Mineralization The Mesozoic and Cenozoic stratigraphy of the region south of Cuzco in Peru (Fig. 2) is chiefly made...of the Peruvian altiplano southeast of the study region, where it is overlain by the volcanic horizons |  | de Abreu Cunha, Ioná, Misi, Aroldo, Babinski, Marly, Iyer, Sundaram Sankara S. (2007) Lead isotope constraints on the genesis of Pb–Zn deposits in the Neoproterozoic Vazante Group, Minas Gerais, Brazil. Gondwana Research, 11 (3) 382-395 doi:10.1016/j.gr.2006.02.008 | Journal (article/letter/editorial) | | Vazante is presently producing 0.9 Mt/year (run of mine) having 13.5% Zn and Morro Agudo 0.95 Mt having..., 2000; Dardenne, 2000; Monteiro, 2002). The Zn mine of Vazante was classified as “Vazante-type” (Monteiro...are overlain by rhythmic carbonaceous phyllite, sericite-chlorite phyllite and carbonate bearing metasiltstone...deposit The sulphide mineralization at Morro Agudo mine is composed of sphalerite, galena and minor pyrite...the upper strata. 3.2. Vazante deposit The Vazante mine is mainly composed of willemite with minor sulphides |  | | Conference Proceedings (Volume) | | Cover photograph: View of the Aitik open pit copper mine in the very north of Sweden. Mining operations started...potential map of the Neoproterozoic Gariep Belt in Namibia .......................... 480 . . ...........pyritic Zn-Pb-Cu-(Au-Ag) sulphide deposit, Bergslagen region, south-central Sweden . . .......................Ahola Occurrence of gold (electrum) in the Lousal mine, Iberian pyrite belt, Portugal ..................Jingwen Mao & Bernd Lehmann The Omitiomire deposit, Namibia: late tectonic copper emplacement in a Neoproterozoic |  | | Book | | (mantovani@usp.br) R.McG. Miller PO Box 11222, Windhoek, Namibia (rmmiller@mweb.com.na) A. Misi Centro de Pesquisa...2004 in São 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 |  | Will, T.M., Gaucher, C., Ling, X.-X., Li, X.-H., Li, Q.-L., Frimmel, H.E. (2019) Neoproterozoic magmatic and metamorphic events in the Cuchilla Dionisio Terrane, Uruguay, and possible correlations across the South Atlantic. Precambrian Research, 320. 303-322 doi:10.1016/j.precamres.2018.11.004 | Journal (article/letter/editorial) | | Dionisio Terrane and the Coastal Terrane in northwest Namibia have the same Hf isotope evolution trend 3 ABSTRACT...the Marmora and Malmesbury terranes in southern Namibia and South Africa (Fig. 1) led to the suggestion...Coastal Terrane of the Kaoko Belt in northern Namibia and possibly the Mar del Plata Terrane (Rapela...brown biotite, quartz, minor garnet and white mica/sericite, opaque phases, rutile, monazite and zircon. Myrmekitic...al., 2001), the Aurus Mountains in southwestern Namibia (~840 Ma; Thomas et al., 2016) and the extension-related |  | | Journal (article/letter/editorial) | | example of a new mining project is the Skorpion operation in Namibia (Borg et al., 2003), and there are other...(Monteiro et al., 2006). Nevertheless, at both Skorpion and Angouran the hydro-metallurgical plants are...acid extraction method would do. In the mean time, mine production from open pit operations on the Pentagon...occurrence of nonsulfide zinc ores in the Hakkari region have been reported by Ceyhan (2003), Yigit (2009)...to the Late Miocene (Perinçek, 1990). The whole region was affected by compressional tectonics between |  | Reynolds, N. A., Chisnall, T. W., Kaewsang, K., Keesaneyabutr, C., Taksavasu, T. (2003) The Padaeng Supergene Nonsulfide Zinc Deposit, Mae Sod, Thailand. Economic Geology, 98 (4) 773-785 doi:10.2113/gsecongeo.98.4.773 | Journal (article/letter/editorial) | | developed as a large modern mining operation. The mine and associated zinc smelter, operated by Padaeng...occured extensively in the vicinity of the Padaeng mine, most notably the small resources at Pha De and...Padaeng. The only significant sulfide at the Padaeng mine is within this unit. Only trace sulfide occurs peripheral...and weathering history. Introduction THE PADAENG mine is situated in Tak Province in northwestern Thailand...eastern edge of the Mae Sod intermontane basin, the mine commenced production in 1984 from a high-grade, |  | | Journal (article/letter/editorial) | | These, and probably the deposits of the East Sayan region (e.g. Zun Holba, Sora, Aksug), are part of the...formed, potentially at a similar time, but this region is dominated by deformation and plutonism associated...km along the eastern Asian Pacific margin. This region of lithosphere loss has a remarkable association...formation. The Kupol epithermal gold deposit Chukotka Region, NE Russia H. C. Golden 11/13 Proletarskaya Street...(ELIP>6105 km2; TLIP52?56105 km2). In the Noril’sk region of the SLIP the basalts stand up as mesas above |  | | Journal (article/letter/editorial) | | geometallurgy is not new, but its modern holistic mine value chain application can be considered a critical...provide the practitioner with a means to optimise the mine schedule and metallurgical processes. The geometallurgical...modern trend towards efficient project evaluation, mine optimisation and risk management. With more complex...metallurgical process modelling and to add value to mine planning/optimisation. Geometallurgy should be an...equipment optimisation and control; and the better the mine and process scheduling and subsequent net present |  | | Book | | basic understanding of the geology of an area or region will never happen without initial observation of...Malawi Mali Mauritania Mauritius Morocco Mozambique Namibia Niger Nigeria Reunion (France) Rwanda São Thomé...Democratic Republic of Congo were also felt by Angola, Namibia, Rwanda, Uganda and Zimbabwe. The long-term implication...(1872) on East Africa, in which the Great Lakes region of central eastern Africa is very poorly figured...Group of Morocco and the Damar metasediments of Namibia). In some cases these rocks are at very low metamorphic |  | | 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 . . . . . . . . . . . . . . . . . . . . . . . |  | Cook, Nigel, Ciobanu, Cristiana, Ehrig, Kathy, Slattery, Ashley, Verdugo-Ihl, Max, Courtney-Davies, Liam, Gao, Wenyuan (2017) Advances and Opportunities in Ore Mineralogy. Minerals, 7 (12) 233 doi:10.3390/min7120233 | Journal (article/letter/editorial) | | nm-scale inclusions of hematite and larger grains of sericite epitaxially intergrown with chlorite (also see...nm-scale inclusions of hematite and larger grains of sericite epitaxially intergrown with chlorite (also see...deposit. These are part of an assemblage containing sericite and locality adjacent to the Olympic Dam deposit...deposit. These are part of an assemblage containing sericite and molybdenite pseudomorphically replacing magmatic...oxidised ores at the surface associated with historical mine workings, mineral deposits account thatroughly many |  | | Report (volume) | | Otavi carbonate platform and foreslope, northern Namibia: evidence for large base-level and glacioeustatic...East-Central Namibia 211 FRIMMEL, H. E. The Chameis Gate Member, Chameis Group, Marmora Terrane, Namibia 217...formations, Port Nolloth Group, in South Africa and Namibia 223 FRIMMEL, H. E. The Karoetjes Kop and Bloupoort... Neoproterozoic glacial records in the Yangtze Region, China 357 ZHU, M. & WANG, H. Neoproterozoic...Kingston Peak Formation in the eastern Death Valley region 449 PETTERSON, R., PRAVE, A. R. & WERNICKE, B |  | | Journal (article/letter/editorial) | | of granite-related mineral deposits across the region. Significant indium is found in sulphidebearing...from the northern margin of Dartmoor (the Red-a-Ven mine), the greisen vein systems at Redmoor and Cligga...than 20 main stage mineral vein systems across the region. The richest occurrences have been identified at...for targeted exploration and extraction in the region, the metal has significant potential to add value...eruptions of Caradoc age that occurred in the Snowdonia region of northwestern Wales (Howells et al., 1991). |  | | 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 |
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