 | 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 ca...Massive, fine-grained willemite samples from Abenab West alone (n = 3) give a ā still statistically unacceptable |  | 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 |  | | 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 (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 |  | | 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 |  | 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...minerals are formed. Commonly such deposits contain cerussite, anglesite, willemite, and smithsonite, which...Sulfate Arsenate Phosphate Base-Metals Lead Cerussite PbCO3 Anglesite PbSO4 Plumbojarosite PbFe6 (SO4...vanadate ore from Abenab West Mine, Namibia. After the closure of the Berg Aukas Mine and stoppage of the |  | | Journal (issue) | | ME90EX Colin Brough 1 William Allen Lane LINDFIELD West Sussex 01795 521174 0208 654 1298 01795 521174...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...he's at home. Cumbria, Scotland and then the South West And exchanges rock gossip with gusto and zest. When...for Vitec, our contact for our visit to the Tsumeb Mine. It has to be said that some of that time was spent |  | | 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 | | 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 |  | | Journal (article/letter/editorial) | | from Broken Hill, Northern Rhodesia and Abenab West, South West Africa, clearly indicatea secondarymode...in the Otavi Mountains of South West Africa. At the Berg Aukas Mine exploratorydiamonddrilling hasindicatedsurface...to depths in excessof 2,100 feet. Willemite, cerussite,smithsoniteand descloiziteare all prominentlydevelopedand...Associateddescloizitecrystals may form a coating on willemite-cerussite ore and the vanadiummineral is clearly a late...differentto thosenotedin the upper levelsof the Berg Aukas mine and are very similarto thosepreviouslydescribedby |  | 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;...jasperoid gossan with iron oxides, litharge, and cerussite and lesser plumbojarosite, hemimorphite, and copper... In extremely arid climates, such as those in Namibia (Tsumeb deposit: Lombaard et al., 1986; Hughes...removal of zinc from the system. The Magellan cerussite-anglesite deposit in Australia (8.5 Mt at 7.1%...karst = residual and karst-fill Minerals: Cer = cerussite; Hm = hemimorphite; Gos = goslarite; Hydroz = |  | | Journal (article/letter/editorial) | | September 2003, the Skorpion nonsulfide Zn mine in southern Namibia started its production with the first...mineralāwater fractionation equations for smithsonite, cerussite and phosgenite. Their new oxygen isotope geothermometry...Otavi Mountainland, Namibia. Their preliminary results from Berg Aukas and Abenab West deposit suggest hypogene...low temperature oxygen isotope thermometer for cerussite, with application at Broken Hill, New South Wales |  | | 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 |  | 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) | | and oxidized minerals of zinc and lead such as cerussite, anglesite, wulfenite, smithsonite [7]. Table...concentrates, located in Namibia (gravity separation and flotation plants in Abenab West Mine and Berg Aukas)...accumulated from the local smelters in Berg Aukas (Namibia) and Kabwe (Zambia) and disposed at the local polluted...Argentina, USA, Mexico, Angola, South Africa, Namibia [29,30]. The use of lead vanadate minerals as a...provides opportunities for more jobs in the operating region [32,33]. At present, there is no global market |  | 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...is finely associated with galena remnants and cerussite, forming a welldefined black ore. Black ore generally...Bou Arhous Cu Mine Zn Zn Pb Zn N32Ā°16ā Pb Pb Pb Pb Pb N32Ā°17ā Iboughalene Zn Mine Arhous Range |  | | Journal (issue) | | .......... ......... . .... 610 DIAMOND LEDGE, WEST STAFFORD, CONN. By Peter Z odac................... ................................617 GRIQUALAND WEST CONTRIBUTES MANGANESE TO AMERICAN DEFENCE RESERVES...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 |  | 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...relatively simple: AN smithsonite, hemimorphite, cerussite and Cu-carbonates. Prior to the 1960s, lead and...smithsonite, cerussite, hemimorphite and Fe(hydr)oxides (Fig. 2B). 10 ACCEPTED MANUSCRIPT 2.4. Namibia The |  | 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) | | Galena is successively weathered in anglesite and cerussite. Sphalerite is weathered in smithsonite, which...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 |  | | Journal (article/letter/editorial) | | version: vanadates in the Otavi Mountainland (Namibia) 42 8. Discussion and conclusions 43 Acknowledgements... hemimorphite, MA sauconite (Zn-smectite), cerussite, anglesite and several Ag-compounds. Zinc and...isotope analyses of their carbonates (smithsonite-cerussite-calcite). The oxygen isotope variation of the...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) |  | | Book | | NOT PISTOLS SCIENTIFIC RESEARCI-:I IN SOUTI-I WEST AFRICA (5n-1 SERIES) G. SOHNGE TSUMEB A HISTORICAL...Minen- und Eisenbahn-Gesellschaft: 1906-1946 . Tsumeb Mine . Ore Concentration and Smelting Ra:ilway and Communications...encouragement from the Scientific Society of South West Africa to complete the sketch for purposes of publication...Mission School, Tsumeb. The South West Africa Company of Grootfontein kindly loaned their files on outside...sketch on behalf of the Scientific Society of South West Africa. 7 I. Early Times. To the visitor going |  | | Journal (article/letter/editorial) | | The willemite ore bodies which comprisethe Beltana Mine are associatedwith intrusive sedimentarybrecciasand...sedimentationceasedin the Adelaide Geosynclinein the region of the Beltana Mine, and an erosionsurfacehas existed from...small shaftsin copperprospectsnow known as the Ajax Mine, in the immediatevicinity of small,undisturbed ...ctt-ā¢/'ā¢eo ā¢ /'rt?o6the 6earā¢rā¢J Iimes/'orte.s. AJAX MINE DEPOSITS ā¢AAAAA AJAX LIMESTONE AROONA OREBODY...readeris referredto Parkin (1959), and for possible mine area: mechanismsof intrusion of diapirs and sedimentary |  | 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) | | 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...dipping to the south-southeast, and north-south, east-west, and northeastsouthwest fractures mostly developed...Pb-weathering products Pb sulfates and Fe-oxides Cerussite Cerussite Pb arsenates, phosphates, and Fe oxides Slightly |  | | 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...Yanque is more abundant than Zn. Lead is hosted in cerussite, but also in Pb-Mn-Fe(hydr)oxides and in Si-Pb...rocks), direct atmospheric leaching of the run of the mine (5ROM) ore with sulphuric acid will not be economically...melting of supracrustals (RoĢssing alaskites, Namibia), or from extreme fractional crystallization of |  | | 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 |  | | Book (volume) | | South Africa-F. E. KEEP . rr. The Messi6a copper mine-W. I. SPENCE 123 12. Tin mining in South Africa-E...borehole resultsD. G. KRIGE 5. Recent advances in mine sampling and underground valuation practice in South.... . . . . . . page 775 Protective treatn1ent of mine timbers- A. L. JAMES . 793 Rock n1echanics research...called here was followed outwards to the east and west, came a period of almost .frenzied formation of...underground conditions vary widely and they do not all mine the same reefs. As you visit our mines in the course |
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