 | | 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 |  | | 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 | | 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unpublished.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 |  | | Journal (article/letter/editorial) | | et brud i Gobobo-Sib Mountain s, vest for Brandberg, Namibia. Her .. Limonite coated Vejen til rosettes...Kombat Mine, Kombat, Namibia med Bornit maIm i vceggen. Vanadium brud nord f or Tsumeb, Namibia, po vejen...Under j orden i Kombat Mine, Kombat , Namibia. Cuprit med Malakit fra Onganya, Namibia. Stykket er i Uta Ulrieke...ser man aldrig i Namibia. Indsamling af Gips roser po Agate Beach, Luderitz, Namibia. . Phonolit bruddet...bruddet ved Aris ncer Windhoek, Namibia. De sma hulrum ca. midt i vceggen indeholder Tuperssuats iait, Makatit |  | | Journal (article/letter/editorial) | | Huanuni in Bolivia (Müller et al., 2001), Brandberg West in Namibia (Macey & Harris, 2006), Svetloye, Khinganskoye...and arsenopyrite, and minor sphalerite, stannite, galena, and sulfosalts. Stage 4 is also a post-ore assemblage...evidence for the origin of the Brandberg West area Sn–W vein deposits, NW Namibia. Mineral. Deposita., 41,...(1967) The zones of mineralization in the Komsomolsk region. Nauka, Moscow, 117p (in Russian). Ryzhenko, B |  | | 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 . . . . . . . . . . . . . . . . . . . . . . . |  | | 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 | | 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...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...cm. 12 the Swiss Alps have been a classic focus area for quartz inclusions. STALDER et al. (1998) mention |  | | 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 (volume) | | 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,...Bannisterite Zinc Corp Mine, Broken Hill, NSW, Australia, 69 Benitoite Benitoite Gem Mine, New Idria Dist. |  | | 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 |  | | 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 . . . . . . . . . . . . . . . . . . .... John Sinkankas (1915–2002) at the Pala Properties Mine Bash, 1977. Van Pelt photo. NOTICE Died, John Sinkankas...County $12 Museum, Himalaya mine $12 (Brazil), Bosch Collection v.10/#2 Jeffrey mine (Quebec), Alpine Rodingites |  | Wei, Wenfeng, Hu, Ruizhong, Bi, Xianwu, Peng, Jiantang, Su, Wenchao, Song, Shengqiong, Shi, Shaohua (2012) Infrared microthermometric and stable isotopic study of fluid inclusions in wolframite at the Xihuashan tungsten deposit, Jiangxi province, China. Mineralium Deposita, 47 (6) 589-605 doi:10.1007/s00126-011-0377-0 | Journal (article/letter/editorial) | | Qinling-Dabie orogenic belt to the north, is bounded to the west by the Tibetan Plateau. The Cathaysian Block has...and location. In the northern part of the mining area, they dip steeply (75–85°) with an EW strike. However...pyrite, arsenopyrite, chalcopyrite, sphalerite, galena, and quartz (Fig. 4c, g–i), with trace amounts...Pyrite enclosed in chalcopyrite, and intergrown with galena, chalcopyritediseased sphalerite of the sulfide...Asp arsenopyrite, Cal calcite, Sph sphalerite, Gn galena 3.8 to 13.7 wt.% NaCl equiv, with an average of |  | | Journal (issue) | | tvers . Tordal Heftetjern: Artikkel om det nye mine- Diopsidlaystall, ea 5 em hoy, fra Atangen, Kragere...utstillinger butikk,kafe. Sulitjelma Gruvemuseum Mine ralsamling ,sjeldne maimer, gruvehistorisk saml...et brud i Gobobo-Sib Mountain s, vest for Brandberg, Namibia. Her .. Limonite coated Vejen til rosettes...Kombat Mine, Kombat, Namibia med Bornit maIm i vceggen. Vanadium brud nord f or Tsumeb, Namibia, po vejen...Under j orden i Kombat Mine, Kombat , Namibia. Cuprit med Malakit fra Onganya, Namibia. Stykket er i Uta Ulrieke |  | | Journal (article/letter/editorial) | | Experimental Mineralogy, RAS, Chernogolovka, Moscow Region 142432, Russia Chemical Sciences Division, Oak...data of sulfur isotope geothermometers of pyrite–galena and pyrite–sphalerite. A good correlation between...(FeS2)–sphalerite (ZnS)–galena (PbS). The fractionation factors between pyrite–galena and pyrite–sphalerite...b-factors for pyrite, galena and sphalerite, according to Eq. (1). The latter b-factors (galena and sphalerite)...calculated equilibrium fractionation factors for pyrite–galena and pyrite–sphalerite with appropriate experimental |  | | 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 | | 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 |  | | 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 |  | Xue, Liwei, Wang, Gongwen, Tang, Li, Cao, Yi, Du, Jingguo, Du, Yangsong, Luo, Liping, Cheng, Hongtao (2021) Genesis and hydrothermal evolution of the Zhazigou skarn W (Mo) deposit, East Qinling, China: Constraints from fluid inclusions and H–O–S–Pb isotopes. Ore Geology Reviews, 138. 104374pp. doi:10.1016/j.oregeorev.2021.104374 | Journal (article/letter/editorial) | | Yechangping). The main lithostratigraphic units in the region are the Taihua Supergroup (basement), which comprises...the most economically important Mo–W production area (Fig. 2), hosting>2 Mt Mo and 0.6 Mt W reserves...is 2.75 km long, 120–1000 m wide, and covers an area of 0.92 km2. The orebody has a simple, thick, layer-like...is typified by molybdenite, pyrrhotite, pyrite, galena, sphalerite, and chalcopyrite, occurring as dominant...sulfides (including molybdenite, pyrrhotite, pyrite, galena, and sphalerite) but lacks sulfate minerals, indicating |  | | Book | | (mantovani@usp.br) R.McG. Miller PO Box 11222, Windhoek, Namibia (rmmiller@mweb.com.na) A. Misi Centro de Pesquisa...2004 in São Paulo (Brazil), 2005 in Windhoek (Namibia), 2006 in Punta del Este (Uruguay), 2007 in Stellenbosch...and Numees (Frimmel et al., 2002) formations of Namibia and the Jacadigo Group and Puga Formation of the...burial efficiency is supported by an above-average area of passive The Neoproterozoic and Cambrian 7...thermally subsiding basins, such as in northern Namibia, South Australia and northwestern Canada. The so-called |  | | Book | | 10523 Pergamon of Canada Ltd., 207 Queen's Quay West, Toronto 1 Pergamon Press (Aust.) Pty. Ltd., 19...effects, and possess even higher contents of lead and galena, sphalerite, silver, gold, and palladium. I n places...places of extreme differentiation (e.g., at the Frood Mine and at Insizwa) bismuth and tellurium minerals are... The peculiar bornite occurrences in the Ookiep area, Cape Province, are on one hand typical transition...(1940). 12 T H E ORE MINERALS FIG. 4 80 X Mouat Mine, Stillwater Valley, Montana RAMDOHR From a border |  | | Catalog/List | | Fine Mineral Show at The Denver Marriott West 1717 Denver West Blvd. • Golden, CO 80401 Saturday, September...Ordovician, Asery Level Formation Wolchow River Region, St. Petersburg, Russia As if it were not enough...with a resin to enhance stability, and a hollow area where the whorl would be has been filled in a similar...costatum species and was mined at the Korite Oxbow Mine which has been closed since the early 2000s. The...compression to the shell. There is a raised and irregular area protruding out from the whorl on both surfaces, |  | | Report (issue) | | holdings. Prior to 1978, the development of complete mine property cost evaluations was impeded by still evolving...tool. Systems design work also continued on the mine simulation (MINSIM) program, an economic evaluation...reserves. These include implications that because a mine is operating it is profitable, that reported reserves...prices, which are variable over the life of the mine. Economic evaluation is complicated by the presence...and economic variables on viability of individual mine properties (17-18). Nonproducing deposits Producing |
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