 | 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,† Dipartimento di Scienze della Terra...ores (descloizite, mottramite, and vanadinite) in the Otavi Mountainland, Namibia, once were considered...this mineralization style remains controversial. Mottramite and Cu descloizite are particularly abundant...surrounding primary sphalerite-willemite orebodies (Berg Aukas type). The V deposits the Otavi Mountainland...Belgium. 0361-0128/07/3663/441-29 Mountainland, Namibia. Mining for vanadium, following the exploitation |  | | Journal (issue) | | Actinolite from Namibia by Justin Zzyzx ............................................pg. 15 Abenab Mine by Ernst...Three Aloes Mine by Ernst Schnaitmann ........................................pg. 37 Berg Aukas by Ernst..................................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 |  | Schneider, Jens, Boni, Maria, Laukamp, Carsten, Bechstädt, Thilo, Petzel, Volker (2008) Willemite (Zn2SiO4) as a possible Rb–Sr geochronometer for dating nonsulfide Zn–Pb 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,⁎, 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... Isochron regressions combining samples from Berg Aukas and Abenab West willemites yield Rb–Sr ages in...samples of coarse-grained, well-crystallized Berg Aukas willemite, which yield 499 ± 63 Ma (MSWD = 2 |  | | 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 |  | | Journal (article/letter/editorial) | | MINERALOGIST, VOL. 52, JULY AUGUST, 1967 DESCLOIZITE, MOTTRAMITE, AND VANADINITE FROM SOUTH WEST AFRICA: AN INFRARED...AJrica. Ansrnacr Descloizite, cuprian descloizite, mottramite, and vanadinite from various localities in South...members of the isomorphous series, descloizite to mottramite. In addition, vanadinite can readily be distinguished...rrnooucrroN Although the lead vanadates,descloizite,mottramite, and vanadinite, have been mined in economicquantities...distinguishingbetween descloizite,cuprian descloizite, and mottramite have not proved to be satisfactoryin all cases |  | | Report (issue) | | Pattern: Venus mine, [El Guaico district, Córdoba Province,] Argentina; close to mottramite. 3.23 (vvs)...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. Polymorphism...10.08 55.30 2.23 100.00 Forms a series with mottramite. Descloizite group. Occurrence: A secondary...deposits; rarely an ore of vanadium. Association: Mottramite, vanadinite, pyromorphite, mimetite, wulfenite... Mexico. In the USA, in the Mammoth-St. Anthony mine, Tiger, Pinal Co., and from Bisbee, Cochise Co. |  | Silin, Ivan, Hahn, Klaus, Gürsel, Devrim, Kremer, Dario, Gronen, Lars, Stopić, Srećko, 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) | | different minerals, whereas carnotite, descloizite, mottramite, and vanadinite are the most common ore minerals...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...base-metals vanadate deposits are descloizite, mottramite, and vanadinite [20,22]. The lead-vanadate-containing...minerals (e.g., vanadinite ore, descloizite ore, mottramite ore, cuprodescloizite ore, etc.). All these minerals |  | | 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)...deposits, and are compared to the ores of Kombat and Berg Aukas. At Tsumeb, local pockets of germanite and reniérite-rich...structure. Massive Cu ore at the Khusib Springs mine is composed of tennantite, enargite, galena and...and Re. Cu-Pb ores at Kombat and Zn-Pb ore at Berg Aukas generally carry lower concentrations of Ge, As |  | | Journal (article/letter/editorial) | | H 1986, VOL. 50, PP. 137-40 The descloizite-mottramite series of vanadates from the Otavi Mountain Land...ABSTRACT. Descloizite, cuprian descloizite, and mottramite from most of the known prospects and mines in...c + 3826.344 (0.9642). K~YWORDS: descloizite, mottramite, X-ray data, Otavi Mountain Land, South West...between zinc and copper, the names descloizite and mottramite being applied to those end members of the series...containing up to two atoms of Cu per unit cell and mottramite for Cu-rich varieties with more than two atoms |  | | Book | | GerhardNiedermayr& Gabi Schneider bode ,rand berg Organ Pipes / Twyfelfontein 7 AiAiba / farm...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 |  | | Journal (article/letter/editorial) | | 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...associatedminerals are malachite, conichalcite, duftite, mottramite, descloizite,dioptase, plancheite, smithsonite...mineralisationhas many similaritiesto that of the nearby Tsumeb Mine, the sulfide ores being characterised by an abundance...sulphide ores from the nearby Abenab West and Berg Aukas Mines but it is of rare occurrence and only visible |  | Silin, Ivan, Gürsel, 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 [18,19]. Mineral Vanadinite Descloizite Mottramite Chemical Composition, % Empirical Formula Pb5...pyromorphite (Pb5 (PO4 )3 Cl). Descloizite and mottramite are hydrated vanadates of copper and zinc, which...located in Namibia (gravity separation and flotation plants in Abenab West Mine and Berg Aukas) and Zambia...dusts)—historically accumulated from the local smelters in Berg Aukas (Namibia) and Kabwe (Zambia) and disposed at the local...Argentina, USA, Mexico, Angola, South Africa, Namibia [29,30]. The use of lead vanadate minerals as a |  | | Journal (article/letter/editorial) | | Cardiff CF102HH, Wales 2 Geological Survey of Namibia, Windhoek Abstract: The Tsumeb polymetallic carbonate-hosted...carbonate-hosted replacement deposit in northern Namibia, although now closed, is a world-renowned deposit...through the deposit and during operations into the mine workings, even during early mining, often with different...collections housed in the Geological Survey of Namibia include specimens collected by Hans Schneiderhöhn...museum houses the specimen collection of the last mine manager at Tsumeb, Tony De Beer that comprises excellent |  | | Journal (article/letter/editorial) | | 9(2) Å3, Z = 2, is a new mineral from the Capitana mine, Copiapó, Atacama Province, Chile and has been identified...numerous other deposits world-wide. At the Capitana mine, it occurs as transparent, colorless, tapering hexagonal...secondary mineral in the oxidized zone of the Capitana mine, a Cu-Pb-Ag deposit, where it closely associated...array of unusual minerals. In 2004 at the Capitana mine near Copiapó, one of the authors (R.A.J.) collected...the dumps of the southern workings of the Capitana mine. Three samples were found on different parts of |  | | Journal (issue) | | Foote also made several collecting visits to the mine in 1890-1891, and brought back many good specimens...chemist and physicist). In 1895 Niven purchased the mine from its owner, on behalf of Thomas Edison. In the...dozen mines were opened, one of which (the Mariposa mine) produced a wider variety of mercury minerals than...cutting coarse-grained reddish granites of the hilly region thereabouts, known geologically as the Llano Uplift...Morgenstern photo. Calcite, 5.8 cm, from the Mariposa mine, Terlingua; Roh Lavinsky (The Arkenstone) specimen |  | | Journal (article/letter/editorial) | | Nebraska, Lincoln] at 23:16 02 June 2016 Bunker Hill Mine, Coeur d’Alene District, Shoshone County, Idaho...anglesite, malachite, leadhillite, descloizite, mottramite, wulfenite, vanadinite, and bayldonite, to name...pyromorphite occurred at the Lubec lead mine, the Gouldsboro mine, and with wulfenite at the upper Colton...Maine (King and Foord 1994). Recently the old lead mine at Loudville, Hampshire County, Massachusetts, once...Connecticut. It is reported from the Sparta copper mine south of Ossining, Westchester County, New York |  | | 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 |  | | Catalog/List | | it collected when the Tsumeb Mine (as well as other mines of the region) were still in production in...engineering work took him to the Tsumeb Mine in Namibia. This mine is renowned for producing what are arguably...desert-like "Sperrgebiet" area of the southern coast of Namibia, with its fabulous wealth of gem diamonds. One...Ian’s interest stems from the family trips to Namibia, including the mines of Tsumeb. He worked with... 57001 Azurite Level 8, Tsumeb Mine, Tsumeb, Otjikoto Region, Namibia If the attachment point on the |  | | Journal (article/letter/editorial) | | 15-cm-long natrolite crystals from Hardap Dam, Namibia; and an unusual specimen of prehnite and thomsonite...Triassic-Jurassic mammal-like reptiles from the famous Karoo region of South Africa, Cretaceous ammonites, Permian...with nine meteorites and tektites from Gibeon in Namibia. Geological MaterialFlocks Four cases depicting...Caves in the Western Cape Province. From Tsumeb, Namibia A tall, upright glass case containing several shelves...containing dioptase, malachite, mottramite, and azurite. From Other Namibia Localities One case of seventeen |  | | Catalog/List | | mass. small pale blue crystals on matrix. Benallt Mine,Lleyn ,Wales lxl £5 lx2 £8 Parclho, Pariba,Brazil)...Bolivia New Discovery Parnmirim Region, Agua Quen1a,Bal1ia, Brazil Benallt Mine, Llcyn Wales A)£3 B) £5 ...micros gemmy yellow-green crystal section. Bcckermet Mine. Cumbria lxl £2 131 40 BARYfES 211 BRAZILIANITE...Goldstrike Pit, Elko,Nevada. U.S.A Divino des Laranjeiras Mine, Minas Gerias,Brazil Magnet Cove,Arkansas,USA ½...Comwall Wagholi Quarry,Poona,India lxl £3 Funauchi Mine, Aikta Prefecture.Japan Venice Dome, Lousiana, U |  | | Report (issue) | | ............................................U22 Mine Waste Characteristics.........................................................................U25 Mine Closure...........................................V/L microgram of vanadium per liter AMD acid mine drainage Ga giga-annum HSLA high-strength, low-alloy...sandstone-hosted vanadium] Country District, region, or State/ Province Latitude Longitude Deposit...reserves Source of data ID Deposit 1 Lueca Mine Angola NA Vanadate –7.92 13.65 n.d. n.d. |  | | Journal (issue) | | Jebel Ouichane, Sagangane, Nador Province, Oriental Region, Morocco. Doug Fiske collection; Jordan Root photo...row, from left: Euclase, 2.3 cm, from the Gachalá mine, Guavió-Guatéque mining district, Boyacá Department...Budd photo. Tanzanite, 7.6 cm, from the Merelani mine near Arusha, Tanzania. Barry & Beth Kitt collection;...Fluorite on quartz, 13 cm, from the Yaogangxian mine, Chenzhou Prefecture, Hunan Province, China. The...Spodumene (variety kunzite), 9 cm, from the Urucum mine, Galiléia, Minas Gerais, Brazil. Gus & Jane Eifler |  | | Journal (article/letter/editorial) | | Barstow, California. At the north shaft of the Pedry mine, one group located wulfenite, while the other group...Nicolet Antimony mine, some Derbyshire fluorite occurrences, the Navajlin pyrite mine in Spain, and the...Association. Mike’s topic was Minerals of the Eve1 Region of Germany and the Sulfosalts of the Lengenbach...of a boxed collection of minerals from the Tyrone mine, Grant County, New Mexico. Sunday morning featured...took place on a regular basis-to the Edendale Lead mine (twice), to Argent (where Graham found some chapmanite |  | | Catalog/List | | £13;50. 6. APATITE variety FRANCOLITE. Fowey Consols Mine, TYwardreath, Covnwall. Small, bright, creamy hexagonal...white Quartz. 2i" x 3". £10. BARYTES. Force Crag Mine, Nr. Keswick, Cumberland. An attractive intergro~n...2" on edge. 3x3~_ll.£6. 50. BARYTES. Ale & Cakes Mine, Gwennap, ~ornwall. Unusual, greyish green ~lusters...£6.50. BARYTI)~~ITE. Admiralty Flats, Nentsberry Mine, Nr. Alston, Cumberland. Large, spear-shaped crystals...intergrown group. 3x2~". £4.50. CASSITERITE. Poldice Mine, G"ennap, Cornwall. Bright, sharp, black crystals |  | | Journal (issue) | | with Mimetite on Barite 5.1 cm, from the Rowley mine, Maricopa County, Arizona. Dick Morris collection;...explore literally thousands of mineral occurrences, mine dumps and abandoned mines in the public domain administered...Heintzelman (1805-1880) shipped ore specimens from his mine to be exhibited at the Cincinnati Merchant's Exchange...later when Edwin Over paid a visit to the Red Cloud mine and made one of history's most spectacular wulfenite...discovery at tbe Red Cloud mine, Ed Over moved on in 1939 to investigate tbe Hilltop mine in Cochise County. |
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Berg Aukas Mine, Grootfontein Constituency, Otjozondjupa Region, Namibia