 | 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...of the post-Damaran supergene ores. Calcite and dolomite gangue are paragenetically coeval with the vanadates...Belgium. 0361-0128/07/3663/441-29 Mountainland, Namibia. Mining for vanadium, following the exploitation...Friesemberg Tigerschlucht Olifantsfontein Abenab pipe Okorundu pipe Abenab West Harasib 3 Wolkenhauben Berg Aukas |  | 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 |  | | 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 |  | | 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) | | Northern Platform of the Pan-African Damara Belt, Namibia: geochemical and ĀÆuid inclusion evidence from carbonate...a base metal sulphide ore province in northern Namibia where deposits are hosted by platform carbonates...accompanied by carbonate alteration in the form of dolomite and calcite veins, carbonate recrystallisation...edge of the PanAfrican Damara Belt in northern Namibia (Fig. 1). Over 600 occurrences of base metal sulphide...OML are Tsumeb (exhausted), Kombat, Berg Aukas, Abenab and the relatively recently discovered Khusib Springs |  | | 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 |  | | 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 |  | | 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...(4ā6 wt.% Ge) forming euhedral crystals along ore-dolomite contacts. Gebearing ore replaces earlier spha...jungproterozoischen Karbonatabfolgen des Otavi Berglandes (Namibia) sind zahlreiche polymetallische (Cu-Pb-Zn) Sulfidvorkommen |  | | 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) | | 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...where lead vanadate minerals cement calcite and dolomite. The lead vanadate minerals are also developed...calcite and dolomite. Respectively, the lead vanadate ores are hosted in calcite and dolomite rocks. Aragonite...with the precipitation of willemite, calcite, and dolomite). In many instances, the members of adelite-descloizite |  | | 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 |  | | 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 |  | 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) | | the first locality, Abenab, and 558 pages later, ending with the Van der Plas mine. There is more, however...10 percent of the photographs used in the first Namibia book are repeated here, so most are new. Many of...map showing its location in Namibia. Furthermore, unlike the first Namibia book that had multiple reference...reference lists after each region, there is one composite reference list at the end of the book making it...are statistics on a few of the featured deposits: Abenab (2 pages), 3 photos; Aris (23 pages), 33 photos; |  | | Report (chapter) | | Otavi carbonate platform and foreslope, northern Namibia: evidence for large base-level and glacioeustatic...SW promontory of the Congo craton in northern Namibia and exposed in bordering late Ediacaran fold belts...succession of the Otavi Mountains in north-central Namibia (Fig. 14.1a) was first recognized by le Roex (1941)...submarine landslides simultaneously throughout Namibia. The discovery of large submarine landslides of...total area of the ancient carbonate platform in Namibia .110 000 km2 (Miller 1997). The western margin |  | | Journal (article/letter/editorial) | | Bnlorev,W. F.,Bunsr,J. eNn Thermal Efiects of Dolomite: Amer. Mineral.,38,207. Snss, R. L., Vmar.n, R...MnnwtN, H.E. (1924), The Crystal Structure of Dolomite: Amer' J. Sci.,8, M7 . THE AMERICAN MINERALOGIST...OTAVI MOUNTAINS, SOUTHWESTAFRICA N. L. MenrHAM, Grootfontein,Soulh West Afri'ca has recently An interesting...the Otavi Valley about 40 miles South West of Grootfontein. Dolomites of the Lower (?) Tsumeb Stage of...casethe original grain size and texture of the dolomite is largely preserved, or coarselycrystalline with |  | | Journal (article/letter/editorial) | | sequence to the Marinoan glaciation in northern Namibia. Ī“34Ssulfate profiles and other geochemical characteristics...dolostone accompanies a change in mineralogy from dolomite to limestone, a sharp decrease in Ī“18O and Ī“13C...spike in Fe and Mn concentrations. In the latter, dolomite persists above the cap dolostone, Ī“34Ssulfate...Maieberg Formation cap-carbonate sequence in northern Namibia is ideally suited for reconstructing the chemistry...heterogeneities. Previous work on capcarbonate sequences in Namibia and Death Valley has shown variations of 17ā° to |  | | Journal (article/letter/editorial) | | the Neoproterozoic Damara Supergroup (northwest Namibia): Implications for the AngolaāCongo and Kalahari...zircon age spectra for Neoproterozoic sediments in Namibia derived from the AngolaāCongo craton (ACC). An...the Coastal Terrane, or Western Kaoko Zone, in Namibia (OyhantƧabal et al. 2011; KonopĆ”sek et al. 2016;...different authors. Epicratonic cover on the ACC in Namibia includes the carbonatedominated Otavi Group of...the Neoproterozoic Damara Supergroup (northwest Namibia): Implications for the ..., Gondwana Research (2018) |  | | Journal (article/letter/editorial) | | overlain by a stratigraphic unit containing pinkish dolomite. During deposition of the Nama Group, the minor...Cambrian, deposition of the Nama Group in southern Namibia and the penecontemporaneous Vanrhynsdorp Group...that the northern part of the Adamastor Ocean in Namibia closed prior to the Khomas Sea and that deformation...KHOMAS BELT (Central Namibia) B ~ 5 3 0 NORTHERN PLATFORM KHOMAS BELT (Northern Namibia) EASTERN PLATFORM...PLATFORM GARIEP BELT (Southern Namibia) Ma C II 141 EASTERN PLATFORM VANRHYNSDORP BELT "'"~rthwestern |  | | Book | | Minen- und Eisenbahn-Gesellschaft: 1906-1946 . Tsumeb Mine . Ore Concentration and Smelting Ra:ilway and Communications...the thorns and razor-edged outcrops of cherty dolomite, the limitless blanket of tranquility. And before...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 |  | Hoffman, P. F., Hawkins, D. P., Isachsen, C. E., Bowring, S. A. (1996) Precise UāPb zircon ages for early Damaran magmatism in the Summas Mountains and Welwitschia Inlier, northern Damara belt, Namibia. Communications of the Geological Survey of Namibia, 11. 47-52 | Journal (article/letter/editorial) | | Communs geol. Surv. Namibia, 11 (1996), 49-53 Precise U-Pb zircon ages for early Damaran magmatism in...and Welwitschia Inlier, northern Damara belt, Namibia P.P. Hoffman1, D.P. Hawkins2, C.E. Isachsen2 and...Damaran, rift-related, igneous rocks in northern Namibia. An age of 756 Ā± 2 Ma for the Oas quartz syenite...repetition. Rift-related magmatism in northern Namibia is similar in age to that in northwest India, the...northern margin of the Damara belt in northern Namibia (Fig. 1) (Miller, 1983). Alkaline and peralkaline |  | Nascimento, DĆ©bora B., Ribeiro, AndrĆ©, Trouw, Rudolph A.J., Schmitt, Renata S., Passchier, Cees W. (2018) Reply to discussion by Hoffman and Halverson (2018) on the article: āDepositional ages and provenance of the Neoproterozoic Damara Supergroup: (northwest Namibia): Implications for the Angola-Congo and Kalahari cratons connectionā by Nascimento et al. (2017), Gondwana Research 52, 153ā171. Gondwana Research, 58. 239-240 doi:10.1016/j.gr.2018.02.004 | Journal (article/letter/editorial) | | the Neoproterozoic Damara Supergroup: (northwest Namibia): Implications for the Angola-Congo and Kalahari...the Neoproterozoic Damara Supergroup: (northwest Namibia): Implications for the Angola-Congo and Kalahari...the Neoproterozoic Damara Supergroup: (northwest Namibia): Implications for the Angola-Congo and Kalahari...on the Damara Supergroup geology, in northwest Namibia (Nascimento et al., 2016, 2017), concern the stratigraphic...2007; Nascimento et al., 2016), there is in the region studied by us no compelling field evidence, such |  | | Catalog/List | | Gold Localitv Peru Broken Hill Australia Crow Hill Mine, Cornwall Kildonan Burn Sicilv Elba Glen Strathfarrat...Baryte/Calcite Galena Galena Galena & Dolomite Chalcopyrite on Dolomite Arsenopyrite Sphalerite var Marmetite...The Knipe, S.Scotland Ow A2 Price Ā£1 Coldberrv Mine Corsica A2 A2 Ā£2 sop Nevada, USA Unknown The...Rocks Cornwall Hinqston Down, Cornwall Smallcleugh Mine, Nenthead A2 A2 A2 A2 A2 A2 A2 A2 A2 A2 A2 Ā£1...Quebec (Cook) Herodsfoot Cornwall Bournonite Bedford Mine Devon Arsenoovrite Colorado USA Enaraite Minas Gerais |  | | Journal (article/letter/editorial) | | and origin of the vanadium minerals at the Lueca Mine, and of the associated tarbuttite ZnTPO4OHand volborthite...lime-green streak. F. Mottramite (near end-member), Uris Mine, Tsumeb, South-West Africa. Grassgreen crystalsl...similar to the sphalerite occurring in the Tsumeb Mine in south-west Africa. Of the secondarysupergeneminerals...specimens from Minas do Lueca, Angola. Llpper leJt: Dolomite limestone totally silicified by supergene processes...occurrence of the vanadium minerals at the Lueca Mine shows general geologicalsimilarities with other |  | | 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 |
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