 | | 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–muscovite), 392–447°C (quartz–cassiterite), and 444–490°C (quartz–hematite). At Brandberg West, the |  | | 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 | | 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 (article/letter/editorial) | | fluids in tourmaline, rather than those in quartz, muscovite, or chlorite, support robust interpretation on...Huanuni in Bolivia (Müller et al., 2001), Brandberg West in Namibia (Macey & Harris, 2006), Svetloye, Khinganskoye...Spasennykh et al. (2002) obtained H isotopic data from muscovite at Svetloye and Iultin, respectively. Sushchevskaya...mineralizing fluids based on H isotopic data from either muscovite or chlorite are controversial. Although the earlier...was not based on H isotopic data from either muscovite or chlorite, we re-examined the nature of mineralizing |  | Nascimento, D.B., Ribeiro, A., Trouw, R.A.J., Schmitt, R.S., Passchier, C.W. (2016) Stratigraphy of the Neoproterozoic Damara Sequence in northwest Namibia: Slope to basin sub-marine mass-transport deposits and olistolith fields. Precambrian Research, 278. 108-125 doi:10.1016/j.precamres.2016.03.005 | Journal (article/letter/editorial) | | the Neoproterozoic Damara Sequence in northwest Namibia: Slope to basin sub-marine mass-transport deposits...Tectono-sequence Neoproterozoic Damara Sequence Namibia a b s t r a c t The Neoproterozoic Damara Sequence...carbonate rocks that crop out in the Damara Belt, Namibia. In Damaraland (including the Vrede, Bethanis,...Otavi/Swakop groups of the Damara Sequence in the study area are herein interpreted as gravitational deposits...for the base of the lower sequence. In the study area these sequences are limited by an unconformity. |  | | Journal (article/letter/editorial) | | pegmatites of the cape cross-uis pegmatite belt, namibia Warrick C. Fuchsloch, Paul A.M. Nex, Judith A...pegmatites of the cape crossuis pegmatite belt, namibia. The address for the corresponding author was captured...PEGMATITES OF THE CAPE CROSS-UIS PEGMATITE BELT, NAMIBIA Warrick C. Fuchslocha*, Paul A.M. Nexb, Judith...Granitic pegmatite, Pegmatite classification, Namibia, Damara Orogen, Pegmatite geochemistry, Anatexis...Abstract The Pan African aged Damara Orogen in Namibia is host to the Cape Cross-Uis pegmatite SC belt |  | Zhang, Ya-Hui, Zhou, Jia-Xi, Tan, Shu-Cheng, Li, Hui-Min, Hao, Shuang, Jiang, Yong-Guo, He, Xiao-Hu (2020) Genesis of the oxidized Sn ores in the Gejiu district, Yunnan Province, SW China. Ore Geology Reviews, 121. 103474 doi:10.1016/j.oregeorev.2020.103474 | Journal (article/letter/editorial) | | Sn ore district, one of the largest Sn producing area (300Mt @1 wt% Sn) in the world, is located in the...more robust compared to molybdenite Re-Os, and muscovite 40Ar-39Ar dating, and even quartz 40Ar-39Ar and...Yangtze Block to the north and the Simao Block to the west (Fig. 1a, b). In the Gejiu ore district, the major...Granitic rocks are widely distributed in the Gejiu area and include alkali-feldspar granite, porphyritic...the samples studied are plotted into the mixing area of meteoric and magmatic waters (Fig. 8), indicating |  | | 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.... . . . . . . . . . . . . . . 6.5.1 Navachab, Namibia. . . . . . . . . . . . . . . . . . . . . . . ....Cu Deposits of the Matchless Amphibolite Belt, Namibia . . . . . . . . . . . . . . . . . . . . . . . 7...Pb-Zn-Cu-Ag-V Deposits of the Otavi Mountain Land, Namibia . . . . . . . . . . . . . . . . . . . . . . . |  | | Book | | Hakos Mountains in the central Damara Orogen in Namibia; BEHR and HORN (1982) report crystals to 50 meter...Hakos-Bergen im zentralen Teil des Damara Orogens in Namibia beobachtet; sie erreichen einer Mitteilung von...include: tourmaline (schort and elbaite), mica (muscovite, phlogopite). beryl. garnet (spessartine). columbite-tantalite...negative Kristalle") aus der Emerald & Hiddenite Mine im Alexander County, North Carolina/USA. Aus der...negative crystals") from the Emerald & Hiddenite Mine, Alexander County, North Carolina/USA. From the |  | | 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 |  | | Report (issue) | | crystal weighed 455 kilograms. 2m: The Queen Anne mine in Zimbabwe has produced crystals up to 2 meters...is associated with quartz, microcline, albite, muscovite, biotite, ferrocolumbite, and phosphates (such...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 |  | | 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 (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-...deposits contain wolframite, quartz, 65 feldspar, muscovite, calcite, and tourmaline, and extend to depths...assemblage of silica-pyrite-biotite-muscovite in 83 sandstone and silica-muscovite-topaz-fluorite in granite...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 |  | 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, *...were determined. The samples contain 30–35 vol% muscovite and no hornblende. In addition, the granites have...scheelite, cassiterite, apatite, fluorite, and muscovite crystals. The deposit is located 5 km southeast...I tourmalines always coexist with albite and muscovite rather than K-feldspar. The type I tourmaline...10 μm in size generally occur in fractures in muscovite (Fig. 2A, C). Type II tourmaline crystals are |  | | 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 . . . . . . . . . . . . . . . . . . ....year. *Continued on p. 359 COVER: FLUORITE on muscovite, 14 cm, from Nagar, Hunza Valley, Northern Areas... John Sinkankas (1915–2002) at the Pala Properties Mine Bash, 1977. Van Pelt photo. NOTICE Died, John Sinkankas |  | 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) | | (zircon) 5 ACCEPTED MANUSCRIPT and 40 Ar/39Ar (muscovite) methods, formed as a result of diachronous closure...and references therein) and covered a 14,300 km2 area (Sun et al., 2012). CE Finally, the Yanshanian...activity (mainly granitic and rhyolitic) in the region (Li et al., 2014). Three AC major metallogenic...noting CE that even though only one level in the mine galleries (level -5, ca. 200 m depth) was investigated...the veins appeared to be shallow-dipping in the mine gallery, contrary AC to the cross-section proposed |  | | Journal (article/letter/editorial) | | pegmatites of the Cape Cross–Uis pegmatite belt, Namibia WARRICK C. FUCHSLOCH*, PAUL A.M. NEX AND JUDITH...Cross-Uis pegmatite belt, Damara Orogen, north-central Namibia hosts multiple Ta-Nb- and Sn-oxide-bearing pegmatites...cassiterite, granitic pegmatite, Damara Orogen, Namibia. Introduction The internal evolution processes...In the Cape Cross-Uis pegmatite belt (CUPB) of Namibia, numerous granitic pegmatite bodies intrude the...overview Several rare-element pegmatite belts in Namibia occur within the Damara Belt which is the northeast-trending |  | | 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 |  | 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) | | granite rocks, cassiterite U–Pb and hydrothermal muscovite Ar–Ar dating, the tin mineralization in the Xiaolonghe...the precipitation of cassiterite, which include muscovite, quartz, topaz and fluorite. Such mineral superimposition...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 |  | | 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 |  | | Book | | systematically present the geology of each country, region and continent on Earth. Each book aims to provide...require when beginning investigations in a particular area and are encouraged to include as much information...(Gariep Belt) cropping out in the western borders of Namibia and South Africa. They were split up in the Mesozoic...concerning the tectonic and geodynamic evolution of this region during the Precambrian. Major tectonometamorphic...Ediacaran-Ordovician after McWilliams (1981). Equal area projection, reconstruction after Smith and Hallam |  | | Journal (article/letter/editorial) | | Experimental Mineralogy, RAS, Chernogolovka, Moscow Region 142432, Russia Chemical Sciences Division, Oak...quartz–cassiterite and quartz–hematite and quartz–muscovite isotope geothermometers. Troilite shows the smallest...J. R. (1996) Oxygen isotope fractionation in muscovite, phlogopite and rutile. Geochim. Cosmochim. Acta...evidence for the originof the Brandberg West area Sn–W vein deposits, NW Namibia. Miner. Deposita 41, 671–690 |  | | 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 |
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