 | Boni, M., Terracciano, R., Evans, N. J., Laukamp, C., Schneider, J., Bechstadt, T. (2007) Genesis of Vanadium Ores in the Otavi Mountainland, Namibia. Economic Geology, 102 (3) 441-469 doi:10.2113/gsecongeo.102.3.441 | Journal (article/letter/editorial) | | 102, pp. 441ā469 Genesis of Vanadium Ores in the Otavi Mountainland, Namibia MARIA BONI,ā Dipartimento...the Otavi Mountainland, Namibia, once were considered the greatest vanadium deposits in the world, with...resources estimated at several million tons of vanadium ore. The deposits, now mostly exhausted, occurred...Introduction SINCE THE EARLY twentieth century, vanadium occurrences have been known to exist in the northern...0361-0128/07/3663/441-29 Mountainland, Namibia. Mining for vanadium, following the exploitation of base |  | Schneider, Jens, Boni, Maria, Laukamp, Carsten, BechstƤdt, Thilo, Petzel, Volker (2008) Willemite (Zn2SiO4) as a possible RbāSr geochronometer for dating nonsulfide ZnāPb mineralization: Examples from the Otavi Mountainland (Namibia) Ore Geology Reviews, 33 (2) 152-167 doi:10.1016/j.oregeorev.2006.05.012 | Journal (article/letter/editorial) | | mineralization: Examples from the Otavi Mountainland (Namibia) Jens Schneider a,ā, Maria Boni b,c , Carsten Laukamp...Germany d Geological Survey of Namibia, 1 Aviation Road, Windhoek, Namibia Received 12 September 2005; accepted...willemite from the Berg Aukas and Abenab West deposits, Otavi Mountainland (Namibia), which are hosted by Neoproterozoic...regressions combining samples from Berg Aukas and Abenab West willemites yield RbāSr ages in the range of...3000). Massive, fine-grained willemite samples from Abenab West alone (n = 3) give a ā still statistically |  | | Report (issue) | | MINISTRY OF MINES AND ENERGY GEOLOGICAL SURVEY NAMIBIA 1991 Open File Report l\ffi.S 31 2 Abstract Germanium...epigenetic ore bodies of Tsumeb, Kombat and Abenab. The Tsumeb Mine produced germanium in 1922 and from 1950...2. Occurrences 2.1. Germanium 2.1.1. The Tsumeb Mine 2.1.2. Other occurrences 2.2. Gallium 3. References...and gallium, occur in Namibia. These are known as the Tsumeb, Kombat and Abenab Mines (Fig. 1). 2. Occurrences...The Tsumeb Mine The only mine in Namibia that has ever produced germanium is the Tsumeb Mine. A comprehensive |  | | Journal (article/letter/editorial) | | mineralization in the Otavi Mountain Land, Northern Namibiaāa review and regional interpretation A.F. Kamona...GĆ¼nzel 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...(PbāCuāZnāGe), Kombat (CuāPbāZn), Berg Aukas (ZnāPbāV), Abenab West (PbāZnāV) all occur in Otavi Group dolostones...carbonate-hosted PbāZn deposits in the Abenab Subgroup at Berg Aukas and Abenab is not well constrained, but the |  | | Report (issue) | | 057 c = 9.416 Z=4 X-ray Powder Pattern: Venus mine, [El Guaico district, CoĢrdoba Province,] Argentina;...(1) 19.21 55.47 2.17 0.02 Total 100.21 (1) Abenab, Namibia. (2) Pb(Zn, Cu)(VO4 )(OH) with Zn:Cu = 1:1...the oxidized zone of vanadium-bearing base metal deposits; rarely an ore of vanadium. Association: Mottramite... Mexico. In the USA, in the Mammoth-St. Anthony mine, Tiger, Pinal Co., and from Bisbee, Cochise Co.... Grant Co., New Mexico; from the Chalk Mountain mine, Churchill Co., Nevada. Large crystals from an economic |  | | Journal (issue) | | Actinolite from Namibia by Justin Zzyzx ............................................pg. 15 Abenab Mine by Ernst................................pg. 31 Three Aloes Mine by Ernst Schnaitmann ............................................................pg. 47 Otjozondu Mine by Ernst Schnaitmann .............................we bring you eleven articles about locations in Namibia that do not receive much publicity. It is easy...legendary deposits such as Tsumeb, the Brandberg region and the Erongo Mountains. Alpine clefts, huge soda |  | | 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 (issue) | | precious stone. Opalbanya is the name of the original mine location. Possibly Magyar, ancient Hungarian. These...are fine Some aren't unpacked yet -a few are now mine! But rocks in the garage and more in the shed, Were...for Vitec, our contact for our visit to the Tsumeb Mine. It has to be said that some of that time was spent...Figure 1 Headframe of the De Wet Shaft, Tsumeb 1 Namibia Handbook (Footprint) p324 -7- SMLS Journal 176...and diversity of mineral resources throughout Namibia. Although widely ranging and distributed, a large |  | Silin, Ivan, Hahn, Klaus, GĆ¼rsel, Devrim, Kremer, Dario, Gronen, Lars, StopiÄ, SreÄko, Friedrich, Bernd, Wotruba, Hermann (2020) Mineral Processing and Metallurgical Treatment of Lead Vanadate Ores. Minerals, 10 (2) 197 doi:10.3390/min10020197 | Journal (article/letter/editorial) | | 22 February 2020 Abstract: Vanadium has been strongly moving into focus in the last...last decade. Due to its chemical properties, vanadium is vital for applications in the upcoming renewable...contain a noteworthy amount of the desired resource vanadium. There has been a wide variety of research activities...pyro- and hydrometallurgical treatment to produce vanadium oxide. There have been ecological issues and technical...reconsider lead vanadates as a highly-potential vanadium resource. This review does not merely provide |  | | Journal (article/letter/editorial) | | MINER.GES. 148 (2003) THE OTAVI MOUNTAIN LAND IN NAMIBIA: TSUMEB, GERMANIUM AND SNOWBALL EARTH by Frank...carbonate successions in the Otavi Mountain Land, Namibia, host a large number of polymetallic (Cu-Pb-Zn)...structure. Massive Cu ore at the Khusib Springs mine is composed of tennantite, enargite, galena and...jungproterozoischen Karbonatabfolgen des Otavi Berglandes (Namibia) sind zahlreiche polymetallische (Cu-Pb-Zn) Sulfidvorkommen...this is more than the name of a small town in Namibia and a polymetallic copper deposit: Tsumeb is renown |  | | Journal (article/letter/editorial) | | also been reported by Verwoerd (1957)at the Abenab West Mine. Earlier X-ray'invest'igationsoJ descloizite...Berg Aukas Mine, the cuprian descloizite from Friesenberg, the mottramite from the Tsumeb Mine, and the...the vanadinite from Grootfontein' The genesis of these Otavi Mountain Land vanadium deposits has been discussed...(1945), who suggested a supergene origin for the vanadium ores. With the exception of one of the descloizite...descloizite Minas do Lueca Angola : mottramite Uris Mine, Tsumeb South West Africa AII are nerv analyses |  | | Report (chapter) | | southern margin of the Congo Craton, northern Namibia: facies, palaeogeography and hydrocarbon perspective...Ghaub Formation diamictite interval in northern Namibia and the major environmental change in the aftermath...peri-Gondwanan areas apart from the formerly glaciated region of northern Africa. In the Palaeozoic post-glacial...the late Cryogenian Ghaub glaciation of northern Namibia, a classical field location for research on this...Kennedy (2007). Geological overview In northern Namibia continental rifting occurred in the Late Neoproterozoic |  | Hitzman, M. W., Reynolds, N. A., Sangster, D. F., Allen, C. R., Carman, C. E. (2003) Classification, Genesis, and Exploration Guides for Nonsulfide Zinc Deposits. Economic Geology, 98 (4) 685-714 doi:10.2113/gsecongeo.98.4.685 | Journal (article/letter/editorial) | | Zn, Zambia; 28 = Skorpion, Namibia; 29 = Berg Aukas and Abendab, Namibia; 30 = Padaeng (Mae Sot), Thailand;... In extremely arid climates, such as those in Namibia (Tsumeb deposit: Lombaard et al., 1986; Hughes...exist of tonnages and grades that can be cited Namibia Poland Silesian Crakow district Skorpion Spain...dolostone by smithsonite with minor hematite. Tucson mine, Leadville district, Colorado, United States. b...Massive smithsonite replacing limestone. Wolftone mine, Colorado, United States. c. Coarsely crystalline |  | | 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 WĀ°Ntdhoek FOREWORD Namibia is endowed with an...from near and far. Fine mineral specimen from Namibia are displayed in all the famous natural science |  | | Journal (issue) | | 75236 Uppsala, Sweden Water Science GROSBOIS Region III, Pennsylvania 19103, USA Consortium, Inc...Quantitative Hydrology DoNnALD Jor BENSON Nuclear Davip Region III, Hydrogeology STEPHEN H. Stow Oak Ridge...climatic features of Bangladesh vary from region to region and season to season. During the monsoon...to this region) to more than 2030 mm in the south-eastern (one study area belongs to this region) and north-eastern...shales and claystones in the geosynclinal foredeep region (east and southeastern part of Bangladesh) contain |  | | Journal (article/letter/editorial) | | describingwillemite from Broken Hill, Northern Rhodesia and Abenab West, South West Africa, clearly indicatea secondarymode...Mountains of South West Africa. At the Berg Aukas Mine exploratorydiamonddrilling hasindicatedsurface oxidation...differentto thosenotedin the upper levelsof the Berg Aukas mine and are very similarto thosepreviouslydescribedby...expectedthat slowlycirculating waters in an arid region would be in close thermal equilibrium with the...surfaceand in the upper levelsof the Berg Aukas Mine where a marked rise in temperatureabovethat of |  | | Report (issue) | | the oxidized zone of lead-bearing deposits, the vanadium leached from wall-rock silicates. Association:...USA, in Arizona, fine examples from the Old Yuma mine, near Tucson, Pima Co., at the Hamburg, Red Cloud...in the Puzzler mine, Castle Dome district, Yuma Co., from the Mammoth-St. Anthony mine, Tiger, Pinal Co...Gallagher mine, near Charleston, Cochise Co., in the Apache mine, Gila Co., at the Western Union mine, near...Touissit mine, near Oujda. At Keban, Turkey. Very large crystals from Abenab, Otavi district, Namibia. At |  | | Report (issue) | | International Strategic Minerals Inventory Summary Report-Vanadium Prepared as a cooperative effort among earthscience... International Strategic Minerals Inventory Summary Report-Vanadium By I. Goldberg, E.C.I. Hammerbeck, L.S. Labuschagne...International strategic minerals inventory summary report- vanadium I by I. Goldberg ... [et al.]. p. em. - (U.S....references. Supt. of Docs. no.: I 19.4/2:930-K 1. Vanadium. 2. Strategic materials. I. Goldberg, I. (Ian)...inventory information about major deposits of vanadium, one of the mineral commodities selected for the |  | | Book | | Minen- und Eisenbahn-Gesellschaft: 1906-1946 . Tsumeb Mine . Ore Concentration and Smelting Ra:ilway and Communications...School, Tsumeb. The South West Africa Company of Grootfontein kindly loaned their files on outside exploration...truth is that in total metal production the Tsumeb mine has become one of the foremost on the African continent...staĀ tistics do, however, reveal why the Tsumeb mine has attained world status as a base metal producer...Bushmen and Bcrgdama had a speĀ cific name for their mine it has been completely lost . The latter tribe possessed |  | | Journal (issue) | | other thing to note- the Carbola Chemical Co.'s mine road leads Jeft off the Blanchard School road just...bags at In ending this long ramble I wish to trus mine, drive on across the swale and pay as fine a compliment...them but what was cordial, not one the Carbola Co's mine, has a few min- but what gave me the heartiest invitation...stated the directions for getting to visit his "mica mine". A week later I the Old Reese farm as wdl as they...written. Which leaves me only the So I never saw his mine. But I advise necessity of adding a few trimmings |  | | Journal (article/letter/editorial) | | chemical, microchemical and x-ray investigation of vanadium minerals from a new locality in west Africa-Minas...of occurrence and origin of the vanadium minerals at the Lueca Mine, and of the associated tarbuttite...INrnooucrrow In the courseof a study of a new vanadium depositat Minas do Lueca in Angola, PortugueseWest...vanadates belong. For paragenesisstudies of the vanadium mineralization at Lueca, it was found necessaryto...arsenic,phosphorusand molybdenum substitute for vanadium. Tlsrr Pbo ZnO CUO VzOs AszOs 1. Cnnurcnr, ANl |  | Silin, Ivan, GĆ¼rsel, Devrim, Kremer, Dario, Hahn, Klaus M., Wotruba, Hermann (2020) Production of Vanadium Concentrate from a Small-Scale Lead Vanadate Deposit by Gravity Concentration: A Pilot Plant Study. Minerals, 10 (11) 957 doi:10.3390/min10110957 | Journal (article/letter/editorial) | | minerals Article Production of Vanadium Concentrate from a Small-Scale Lead Vanadate Deposit by Gravity...metallic compounds like lithium, cobalt, nickel and vanadium more and more critical. Innovations contribute...contribute to inventions and developments like vanadium redox flow batteries for large-scale energy storage systems...Potential shortages of vanadium and its sources will contribute to turbulence in vanadium pricing. Nowadays...production sites of vanadium are located in Russia, China and South Africa. About 85% of vanadium applications |  | | Journal (article/letter/editorial) | | Kingsbury and Hartley (1956) described occurrences of vanadium minerals in the Caldbeck area of Cumberland in...42 21.90 20.08 20.71 21.66 As203 P20S Prospect/Mine 034~6 03115 02722 05408 02271 03313 01527 00931...Karavatu Gauss Abenab Uitsab North Beltika RThrers Berg Aukas ( 6 - 5 0 ) Tsumeb West Vanadium Haraslb I ...mineralogy and genesis of the lead-zinc-vanadium deposit of Abenab West in the Otavi Mountains, South West |  | | Journal (article/letter/editorial) | | descloizite, yielding a pale-yellow powder ; from Abenab, South-West Africa, collected by Dr. L. J. Spencer...descloizite, yielding an olive-green powder ; from Grootfontein district, South-West Africa. (B.M. 1930,296...cuprodescloizite, yielding a bright-green powder ; from Uris mine, Tsumeb, South-West Africa. (B.M. 1931,22.) IV....n olivegreen p o w d e r ; from Shattuck-Arizona mine, Bisbee, Arizona, U.S.A. (B.M. 1913,383). This m...and Mr. Hey in 1929 detected lead, copper, and vanadium, but no chromium or phosphate. Frenzel 1analysed |  | | Book (edition) | | A splendid specimen of wulfenite from Tsumeb, Namibia Half-title: Quartz, Nababeep Opposite: Mimetite...world famous Tsumeb mine Overleaf: Crystalline incrustations of vanadinite, Namibia Contents Acknowledgements...attached list of working mines. The geological map of Namibia which shows the mines and also farm boundaries...Goodhousc on the Orange River cast of Vioolsdrif. In Namibia amethyst can be found north-east of Otjiwarongo...station in the Northern Transvaal, and ; Rossing in Namibia. Asteriated material with well-defined stars hat |
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