 | 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) | | Genesis of Vanadium Ores in the Otavi Mountainland, Namibia MARIA BONI,ā Dipartimento di Scienze della Terra...mottramite, and vanadinite) in the Otavi Mountainland, Namibia, once were considered the greatest vanadium deposits...Belgium. 0361-0128/07/3663/441-29 Mountainland, Namibia. Mining for vanadium, following the exploitation...Auros Fm Auros Fm Auros Fm Gauss Fm Karavatu Tsumeb West Tƶnessen Baltika Gross Otavi Uris Uitsab pit Friesemberg...Friesemberg Tigerschlucht Olifantsfontein Abenab pipe Okorundu pipe Abenab West Harasib 3 Wolkenhauben Berg Aukas |  | | 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 |  | 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) | | 0.084 13.6 13.60 South Africa Mapochs Mine Rhovan Mine 1.5 0.52 1.5 1.06 1.60 Generally, VTM...Russia and the Chinese deposit in the Panzhihua region contain resources of 13.6 and 10.4 million metric...usually occur in the form of oxides and hydroxides (goethite, limonite, hematite, jarosite, psilomelane) and...vanadate ore from Abenab West Mine, Namibia. After the closure of the Berg Aukas Mine and stoppage of the...been mined in commercial quantities in Spain, Namibia, Zambia, USA, Mexico, and Argentina [59,60]. The |  | | Book | | The EarlyGermanGeologistsand Entrepreneursin South West Africa The People- Mineralogists,Geologistsand Collectors...Mountainland The Central Northern to Northwest Region including Damaraland The Central Namib Desertand...Nauchas-Gamsberg-Hakos Area West and South of Rehoboth The Central and South-CentralDeposits Onganja Mine and Surrounding...Copper Deposits The South The Pegmatitesin Central Namibia Luderitz and the Diamonds 44 49 241 254 272 275... Encyclopedia of the Mineralsof Namibia 443 Meteorites in Namibia Bibliography Index Photo credits |  | 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 |  | | 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 |  | | 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) | | 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 |  | Choulet, F., Buatier, M., Barbanson, L., GuĆ©gan, R., Ennaciri, A. (2016) Zinc-rich clays in supergene non-sulfide zinc deposits. Mineralium Deposita, 51 (4) 467-490 doi:10.1007/s00126-015-0618-8 | Journal (article/letter/editorial) | | nonsulfide deposits with successful applications in Namibia, Peru, and Morocco. Supergene non-sulfide zinc...base metal sulfides (Fig. 1b, c). At the Bou Arhous mine, located in the footwall of the BGrand Accident^...exploration campaigns in the 1960s, the Bou Arhous mine has been exploited by Managem since the early 2000s...Bou Arhous Cu Mine Zn Zn Pb Zn N32Ā°16ā Pb Pb Pb Pb Pb N32Ā°17ā Iboughalene Zn Mine Arhous Range...W3Ā°47ā Pb Pb Pb Pb Atchana āGrand Accidentā Mine N32Ā°15ā Pb N32Ā°15ā Thrust Figure 1C Pb 1 |  | | Report (issue) | | ------------------6. Proportions of total world mine production of vanadium accounted for by countries...7. 8-9. Estimated world cumulative and annual mine production of vanadium, contained in ore and concentrate:...larger, than was established when the decision to mine was made. Experts who have a sound knowledge of...deposits, for example Mina Ragra, Peru, and Abenab, Namibia, 4 160Ā° oo 40Ā° ~~ ā¢ ~ 1400 ?0" Heath~V............ 16Ā°10' S. 33Ā°31' E. Magmatic Abenab-Abenab West........... Supergene 1923 to 1947 Berg |  | Verhaert, MichĆØle, Bernard, Alain, Dekoninck, Augustin, Lafforgue, Ludovic, Saddiqi, Omar, Yans, Johan (2017) Mineralogical and geochemical characterization of supergene CuāPbāZnāV ores in the Oriental High Atlas, Morocco. Mineralium Deposita, 52 (7) 1049-1068 doi:10.1007/s00126-017-0753-5 | Journal (article/letter/editorial) | | edge of the Oriental High Atlas (Fig. 1). This region is characterized by the alternation of high Jurassic...mining district. (b) Geology map of the Bou Arfa region showing the location of Jbel Klakh and Jbel Haouanit...Wadjinny (1998), the exploitation of the Jbel Haouanit mine, until its closure in 1954, yielded 150,000 tons...at Jbel Haouanit (2.5 km away from the principal mine) for Cu and V ores (Fig. 1). In the Bou Arfa area...excavations located 2.5 km away from the principal mine also exhibit mineralized veins hosted by Jurassic |  | Mondillo, Nicola, Wilkinson, Jamie J., Boni, Maria, Weiss, Dominik J., Mathur, Ryan (2018) A global assessment of Zn isotope fractionation in secondary Zn minerals from sulfide and non-sulfide ore deposits and model for fractionation control. Chemical Geology, 500. 182-193 doi:10.1016/j.chemgeo.2018.09.033 | Journal (article/letter/editorial) | | several Zn deposits in Ireland, Belgium, Poland, Namibia, Peru, Yemen and Zambia. The data are compared...several localities in Ireland, Belgium, Poland, Namibia, Peru, Yemen and Zambia (Fig. 1), and compared...is observed in some of the deposits (Belgium, Namibia, Zambia) that may have either a supergene or hypogene... ACCEPTED MANUSCRIPT 2.4. Namibia The Otavi Mountain Land (OML) in Namibia broadly coincides with the...concentrations in the Namibian deposits (Berg Aukas, M Abenab West, Baltika etc.) have been interpreted to be mainly |  | Verhaert, MichĆØle, Madi, Atman, El Basbas, Abdelaziz, Elharkaty, Mohamed, Oummouch, Abdellah, Oumohou, Lahcen, Malfliet, Annelies, Maacha, Lhou, Yans, Johan (2020) Genesis of As-Pb-Rich Supergene Mineralization: The Tazalaght and Agoujgal Cu Deposits (Moroccan Anti-Atlas Copperbelt). Economic Geology, 115 (8). 1725-1748 doi:10.5382/econgeo.4779 | Journal (article/letter/editorial) | | neutral environment; and (3) the precipitation of goethite, hematite, and quartz in the gossan. In the Cu-As-Pb-V... sulfates, phosphates, vanadates, and oxides. Goethite, hematite, mottramite, and late calcite occur...and compounds in mine environments may lead to high arsenic concentrations in mine tailings and waste...on the northern edge of the West African craton, extends east-northeast-west-southwest over more than 600...geometry and kinematics of these faults differ from west to east in the Anti-Atlas. N- to NE-trending faults |  | | Journal (article/letter/editorial) | | The chemistry of magmatic ore fluids from South West England David Banksa, Bruce Yardleyb School of Earth...obvious importance of Cu as a mobile ore metal in the region. Chloride concentrations are variable, with values... Smithsonite occurs in zoned concretions with goethite, Mn-oxides and Znclays, as well as replacive cement...also in Pb-Mn-Fe(hydr)oxides and in Si-Pb rich goethite concretions. Zinc is contained mainly in Zn-smectites...smithsonite is locally finely intergrown with goethite and sauconite: this smithsonite would need milling |  | | Journal (article/letter/editorial) | | 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 processing...advanced exploitation stage include Skorpion (Namibia), Lan Ping (China), Angouran and Mehdiabad (Iran)...starting with the case of the world famous Skorpion (Namibia). NU 2. History MA In the past zinc was considered...Anglo American's Skorpion zinc oxide deposit in Namibia in 1996, with AC his team of zinc experts, led |  | Boni, Maria, Terracciano, Rosario, Balassone, Giuseppina, Gleeson, Sarah A., Matthews, Alexander (2011) The carbonate-hosted willemite prospects of the Zambezi Metamorphic Belt (Zambia) Mineralium Deposita, 46 (7) 707-729 doi:10.1007/s00126-011-0338-7 | Journal (article/letter/editorial) | | Brazil, ca. 28.5 Mt @ 18% Zn; Berg Aukas and Abenab West, Namibia, ca. 3.5 Mt @ 15ā25% Zn; Kabwe and Star...or have started in the east and propagated to the west towards the similarly aged Damaran Belt (Laukamp...geological map of the central-southern African region showing the location of the various tectonic units...regard to the real metamorphic grade(s) in the region. For example, it is difficult to envisage, based...al. 2007). Geology of the Lusaka area The Lusaka region (Figs. 2 and 3) was mapped in the 1960s by geologists |  | | Journal (issue) | | .. . ........ . .............ā¢..ā¢...... 5.00 Goethite, Ironwood, Michigan. Small botryoidal w. silky... . .... ... ... . 15.00 Tellurium, Railroad Boy Mine, Colo. In small distinct xis. in rock. 2 x l 1/4...Ā·Ā·Ā·Ā·Ā·Ā·Ā·Ā·Ā·-Ā·Ā·Ā·Ā·Ā·Ā·Ā·Ā·Ā·Ā·Ā·Ā·-Ā·Ā·Ā·Ā·Ā·Ā·Ā·Ā·-Ā·Ā· 223 NEW LONDON COPPER MINE, MARYLAND. By V ernon / . J\1ilfer ...............by, such as Sunshine, Salina, and the crow flies) west of Boulder, i. the the Sugar Loaf D istr;cr. Fringing...Fringing the picturesque little mining town of Gold region are the Ward, Jamestown, and Hill. Altbo not perhaps |  | | 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 Norilāsk region of the SLIP the basalts stand up as mesas above |  | | Journal (article/letter/editorial) | | has been more usefully applied to exploration and mine development in the Witwaterstrand basin than the...high-grade ores are of the martite-microplaty hematite-goethite type. These are commonly, but not universally...suggested that the Styudyanka deposits in the Baikal region of Russia are Archean in age, and Bushinsky (1969)...indicated relative to mean Ī“97/95MoSW. The hatched region represents the Ā±0.5ā° uncertainty associated with...recognized almost simultaneously in the Athabasca basin region (Canada) and in the Pine Creek geosyncline (Australia) |  | | Book | | CANADA Pergamon of Canada Ltd., 207 Queen's Quay West, Toronto 1, Canada AUSTRALIA Pergamon Press (Aust...Kronberg-Taunus Pferelstrasse 1, Frankfurt-am-Main, West Germany Copyright Ā© 1976 John Drew Ridge All Rights...Morocco 3 Nigeria 1 Rhodesia 4 South Africa 20 South West Africa... 1 Tunisia 1 Zaire 3 Zambia _2 35 This...50, p. 164-168 Heim, Ī., 1 9 3 4 , The molybdenum mine at Azegour: Soc. Econ. Geol., v. 29, p. 76-83..., Allanite et epidote dans des corneennes de la mine d'Azegour, Haut-Atlas: Serv. Geol. Maroc. Notes |  | | Book | | considered to be a natural accumulation of useful mine ra l materials that can be profitably extracted...series of episodes in the geologic history of the region in which it occurs, and the kind of deposit formed...formed is dependent on the geologic history of the region. The broad, general picture of the history of the...m ..i,1111.cral deposits Within any part icular region in which mineral deposits are formed , what determines...Commonly the veins are no t in a m ajor fault of a region, but a re in smaller faults , shears, and fracture |
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