 | | Journal (article/letter/editorial) | | evidence for the origin of the Brandberg West area Sn–W vein deposits, NW Namibia Received: 3 June 2005 /...Springer-Verlag 2006 Abstract The Brandberg West region of NW Namibia is dominated by poly-deformed turbidites...hydrothermal quartz vein-hosted Sn–W mineralization at Brandberg West and numerous nearby smaller deposits. Fluid...suggests that the ore-forming fluids at the Brandberg West mine were CO2-bearing aqueous fluids represented...(quartz–cassiterite), and 444–490°C (quartz–hematite). At Brandberg West, the oxygen isotope ratios of quartz veins |  | | Report (issue) | | MINISTRY OF MINES AND ENERGY GEOLOGICAL SURVEY NAMIBIA I 1990 Open File Report MRS 05 2 Abstract A...wide variety of semi-precious stones occur in Namibia, namely amazonite, the beryl varieties, chrysocolla...the most important semi-precious stones found in Namibia. The major deposits of these semi-precious stones...Pyrophyllite formed within the thermal aureole of the Brandberg Alkaline Complex and sodalite is a constituent...Introduction Since the German colonial period Namibia has been well known for the occurrence of semiprecious |  | | Report (issue) | | SURVEY NAMIBIA 1990 Open File Report MRS 12 2 Abstract Niobium-tantalum mineralisation in Namibia occurs...by-products of Tin-mining operations in central Namibia (Uis, Nainais, De Rust). Prominent niobium-tantalum...pegmatites occur in the Tantalite Valley in southern Namibia and have been mined for a long time on a small...2.2.3.6 Kohero West pegmatites 2.2.3.7 Pistelwitz pegmatites 2.2.4 Sandamap - Erongo pegmatite belt 2...Damaran 4 2.2.4.5 Davib pegmatites 2.2 4.6 Davib West pegmatites 2.2.4.7 Pietershill pegmatites 2.2.4 |  | | Book | | AiAiba / farm Anibib 136 8 Grosse Spitzkoppe, Erongo 9 , .,/, loringa tree . Khomas Highland...station Garub near Aus Nature conservation, Erongo 16 Welwitschia, Goboboseb Mountains 17 ....The EarlyGermanGeologistsand Entrepreneursin South West Africa The People- Mineralogists,Geologistsand Collectors...Northwest Region including Damaraland The Central Namib Desertand Escarpment The Spitzkoppen The Erongo Mountains...Nauchas-Gamsberg-Hakos Area West and South of Rehoboth The Central and South-CentralDeposits Onganja Mine and Surrounding |  | | Book | | .,,., ..,,.... w + ..... . ·. .... . - Namibia Zauberwelt edler Steine und Kristalle ooa Dieses...Erdgeschichte 8 Zur Geschichte des Bergbaus in Namibia 17 Der Brandberg und die Mineralfunde in seiner Umgebung...blaue Wunder vom Erongo - Auf Aquamarin-Jagd im Innern Namibias 72 Miarolen im Erongo-Granit- ein Eldorado...110 Auf Turmalinsuche in Namibia Die Demantoide von Tubussis in Zentral-Namibia 112 116 Sodalith von...Zeolithe vom Grootbergpaß in Namibia Kamphaugit-(Y) von der Rössing-Mine 120 124 126 136 Das Gahnit-Vorkommen |  | | 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 (issue) | | amethyst, 10.5 cm tall Goboboseb Mountains, Erongo Region, Namibia Scott Rudolph collection, Jeff Scovil photo...Quartz variety amethyst, 3.5 cm tall Kakamunurle Mine, Kar0r, Tamil Nadu, India Bill Larson collection...Bottom: Quartz variety amethyst, 6.7 cm tall Wattika Mine, Murzinka, Sverdlovskaya Oblast', Russia Peter Lyckberg...important amethyst source emerged in the Auvergne region in south-central France, approximately corresponding...lapidary amethyst during that period. The first mine was opened at Valz-sous-Chateauneuf in the middle |  | | Catalog/List | | Fine Mineral Show at The Denver Marriott West 1717 Denver West Blvd. • Golden, CO 80401 (Ukrainian Institute...it collected when the Tsumeb Mine (as well as other mines of the region) were still in production in...1958 to 1973, including: Angola, Basutoland, South-West Africa, Swaziland, South Africa, Rhodesia, and Mozambique...engineering work took him to the Tsumeb Mine in Namibia. This mine is renowned for producing what are arguably...remote and desert-like "Sperrgebiet" area of the southern coast of Namibia, with its fabulous wealth of gem |  | | Book (volume) | | us to love minerals in the first place. Now a Fluorite is as valued as a Silver, Quartz is no longer...Ojuela Mine, Mapimi, Durango, 51 Aegirine Mt Malosa, Zomba Dist., Malawi, 60 Amethyst Brandberg West, Gobbobisberg...Gobbobisberg Mtns., Namibia, 31, 57 Margareta Mine, Amatitlan, Guerrero, Mexico, 20 Apatite (with Tourmaline)...Areas, Pakistan, 15 Golconda Mine, Minas Gerais, Brazil, 32 Panasqueira Mine, Beira Baixa, Portugal, 5,...Valley, Pakistan, 22 Azurite (on Malachite) Milpillas Mine, Sonora, Mexico, 64 Babingtonite Hongxi, Meigu, |  | | Journal (issue) | | Secretary: Colin Brough 1 William Allen Lane LINDFIELD West Sussex RH16 2SA Peter Moore Royal Russell School...some localities in the copper, lead, barite mining area in the hills to the south-east of Pontesbury. The...Westcott copper mine, comprised three separate collecting sites in two short adits and the mine dump. Nearby...Nearby was the Badger Level section of the Huglith mine complex, which was our other location. We were too...a layby in the forestry surrounding the Huglith mine. When we did so later in the day there were some |  | | Book | | papers and 19 geological maps in Western Australia, Namibia and Greenland. Throughout his career, which has...Nova Scotia, Canada . 4.3.9 The Brandberg West Greisen Vein Systems, Namibia . . 4.3.10 The Kalguta Mo-W-Be-Bi.... . . . . . . . . . 4.6.2 Vergenoeg Fe Oxides-Fluorite Deposit, South Africa . . 4.6.3 The Palabora Complex.... . . . . . . . . . . . . . . 6.5.1 Navachab, Namibia. . . . . . . . . . . . . . . . . . . . . . . ....Cu Deposits of the Matchless Amphibolite Belt, Namibia . . . . . . . . . . . . . . . . . . . . . . . 7 |  | | Journal (issue) | | Urgestein aus dem Erzgebirge • Neuigkeiten aus Namibia • Mineralien vom Morro da Mina, Brasilien • Museum...die USA erreicht hat... meint Ihr Rainer Bode Namibia - was gibt es Neues? 4 Ste.-Marie-aux-Mines -...Flach 68 Neue Mineralien 76 Neuigkeiten aus Namibia 80 ACHAT-MAGAZIN Buchtipp 87 Sammler-Großcabochons...Jahre die Geschichte der Stadt Freiberg und der Region beeinflusst: Um 1168 wurde die große Lagerstätte... Mineralien-Welt 4/ 2012 3 Kurz & Fündig Namibia - was gibt es Neues? - Zur aktuellen Situation |  | | Journal (article/letter/editorial) | | tectonic alkaline magmatism in Saudi Arabia and West Africa. For the remainder ol the Phanerozoic, folding...carhonatites with oversaturated magmatism such as in Namibia. Angola, and the East African rift system. Despite...Phanerozoic Cameron Niger Nigeria Sudan Saudi Arabia Namibia 1. Introduction Most of the African continent...Phanerozoic in Saudi Arabia (Drysdall et ul. 1986) and West Africa (Liegeois et al, this volume). Recent detailed...1986). Thus the most important feature of this region is the sequential development of granitic rock |  | Legros, Hélène, Richard, Antonin, Tarantola, Alexandre, Kouzmanov, Kalin, Mercadier, Julien, Vennemann, Torsten, Marignac, Christian, Cuney, Michel, Wang, Ru-Cheng, Charles, Nicolas, Bailly, Laurent, Lespinasse, Marc-Yves (2019) Multiple fluids involved in granite-related W-Sn deposits from the world-class Jiangxi province (China) Chemical Geology, 508. 92-115 doi:10.1016/j.chemgeo.2018.11.021 | Journal (article/letter/editorial) | | cassiterite) and post-ore (quartz, NU topaz and fluorite) minerals were studied. In both deposits, the...inclusions in wolframite, cassiterite, topaz and fluorite is between 2.4 and 11.2 wt. % equiv. NaCl, trapping...of δ18O in wolframite, cassiterite, topaz and fluorite crystals range from -3.0 to 3.3 2 ACCEPTED...in wolframite as well as in post-ore quartz and fluorite have salinities of 5.6 to 12.6 wt.% eq. NaCl,...cassiterite) and gangue minerals (quartz, topaz, and fluorite) were studied in order to investigate, for the |  | | Journal (issue) | | Secretary: Colin Brough 1 William Allen Lane LINDFIELD West Sussex RH162SA Peter Moore Royal Russell School...over rough terrain in three 4 x 4 vehicles in Namibia in July. We slept above the ground on camp beds.................................. LANZAROTE TO NAMIBIA: Olivine to Shattuckite Plus our advert appeared...organised , one to Lanzarote the other to Namibia in south-west Africa. Lanzarote is well known to the British...world: Hungary, Romania, France, Russia, India, Namibia, Madagascar and China... not to mention specialists |  | | Journal (issue) | | Thirty-three, Number Four Articles Jeremejevite from Namibia . . . . . . . . . . . . . . . . . . . . . . . ...Johnston & E. R. Swoboda Sulfur from the Perticara mine area, Pesaro-Urbino, Italy . . . . . . . . . . . ....Pezzotta Famous mineral localities: The Lord Brassy mine, Tasmania . . . . . . . . . . . . . . . . . . ....$150 for one year. *Continued on p. 359 COVER: FLUORITE on muscovite, 14 cm, from Nagar, Hunza Valley... John Sinkankas (1915–2002) at the Pala Properties Mine Bash, 1977. Van Pelt photo. NOTICE Died, John Sinkankas |  | | Report (issue) | | crystal weighed 455 kilograms. 2m: The Queen Anne mine in Zimbabwe has produced crystals up to 2 meters...surprise. In 1997, Gary and Mary Freeman began to mine the Orchard pit, a then insignificant pegmatite...village of Mandrosonoro, in an undeve loped area of central west Madagascar. I first heard rumors of the...reputation of the area had. For a while, nothing more of interest seemed to come out of the region until November...Madagascar to study some pegmatites in the Betafo region. Observing the exceptional tourmaline rough arriving |  | Zhang, Yongwang, Liu, Yan, Zhu, Xinxiang, Raschke, Markus B., Shen, Nengping (2021) Genesis of highly fractionated granite and associated W-Sn-Be mineralization in the Xuebaoding area, Sichuan Province, China. Ore Geology Reviews, 135. 104197pp. doi:10.1016/j.oregeorev.2021.104197 | Journal (article/letter/editorial) | | associated W-Sn-Be mineralization in the Xuebaoding area, Sichuan Province, China Yongwang Zhang a, b, *...coarsegrained beryl, scheelite, cassiterite, apatite, fluorite, and muscovite crystals. The deposit is located...which contains beryl, cassiterite, scheelite, fluorite, calcite, and acicular tour maline. The veins...cassiterite, scheelite, feldspar, albite, muscovite, fluorite, and apatite (Fig. 3). This suggests that the...the veins, and beryl, cassiterite, scheelite, fluorite, apatite, K-feldspar, and albite occur as individual |  | | Journal (issue) | | Pb-Sb oxy-chloro-sulfosalt from Buca della Vena mine * EUR. J. MINERALOGY 13(4), 08.01 651-652 Zinc-iron...Oolitter andre sandkorn 23-24 Mineraler i bushen (Namibia) 32-34 Kristiansenitt - et nytt mineral fra Tørdal...from the Batalha mine, Paraiba, Brazil 139-147 Stibnite from the Wuling Antimony Mine, Jiangxi Province...Strahlerei 30-34 Poldervartit aus der N'Chwaning II - mine, Kalahari, Südafrika 35-39 Tucson 2002 40- Neue...profile : John J. Trelawney 225-234 The Dee North mine, Elko County, Nevada 237-242 Pseudomorphic melanophlogites |  | Cui, Xiaolin, Wang, Qingfei, Deng, Jun, Wu, Huaying, Shu, Qihai (2019) Genesis of the Xiaolonghe quartz vein type Sn deposit, SW China: Insights from cathodoluminescence textures and trace elements of quartz, fluid inclusions, and oxygen isotopes. Ore Geology Reviews, 111. 102929 doi:10.1016/j.oregeorev.2019.05.015 | Journal (article/letter/editorial) | | inclusions hosted in fluorite homogenized at 199°C and <0.02 kbars, indicating that fluorite veins probably...cassiterite, which include muscovite, quartz, topaz and fluorite. Such mineral superimposition resulted from multiple...the east and by the West Burma Block along the Myitkyina 4 suture to the west (Fig. 1a; Metcalfe,...Sn deposit comprises four mining districts from west to east: Xiaolonghe, Wandanshan, Huangjiashan and...The granitoids exposed in the Xiaolonghe mining area are all biotite monzogranite, exhibiting variable |  | | Journal (article/letter/editorial) | | normal to 13 veins in many tungsten deposits in the area decrease with increasing depth, and the 14 time...2006). The 63 vein-type tungsten deposits in the region are located near the roof zone of buried alkali-... in 83 sandstone and silica-muscovite-topaz-fluorite in granite (Liu and Ma, 1993; Zhu et al., 84...X-axis is in an orientation normal to the veins. The area covered by the model is 1.2 150 x 1.2 km and is...involved in the deposition of 359 tungsten in the region (cf. Stein and Cathles, 1997). 360 Disseminated |  | | Journal (article/letter/editorial) | | previous ideas on what is without doubt a kind of “mine field”, because if a classification is based on...(concentration of deposits of similar nature over an area of about 100 km2) NU Some other important definitions...anomalous concentration of metals Operating/abandoned mine: workings that are operating or on care and maintenance...systems, accretionary sedimentary prisms in the trench area are well developed, whereas they may be absent in...mineral system remains, if I may use the expression, a mine field, as testified by the abundance of books and |  | | Book | | magmatism of the eastern margin of the Atlantic (Namibia, Angola) or the western African kimberlites do...both parts, one and two. The second part discusses West-African magmatism associated with the early opening...of the processes operating in the mantle beneath West Africa is also illustrated in this second part and...Northeastern Africa .............................. 4.3 West Central Africa .............................. 5...Physical, Petrographic and Chemical Features of South West Ugandan Quaternary Volcanism ... 9.1 Physical.. |  | | Book | | Africa 194 3.5.2. The Damaraland alkaline province, Namibia 198 3.5.3. Carbonatites 199 3.5.4. Kimberlites...metamorphism in the Central Zone ofthe Damara Orogen, Namibia 6.3.2. Anorogenic metamorphism in the eastern Pyrenees...that metals, oxides and silicate dominated in the region between Mercury and the asteroid belt. Details...crystallographic axes will aceeierate in the given region, thereby providing another way of mapping out hot...other of the above cases dominating in a given region. More recently, measurements of crustal Poisson's |  | | Report (issue) | | category ........ Estimated cumulative and annual mine production of tungsten contained in ore and concentrate—...also recovered from placer deposits. Most current mine production of tungsten is from vein/ stockwork,...accounted for over three-fourths of the world’s mine production of tungsten. China alone produced about...the governments of the United States, Canada, and West Germany. It was subsequently joined by South Africa...production of ferrotungsten ceased in France and West Germany, because it could be imported more cheaply |
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