 | | 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unpublished.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) | | Huanuni in Bolivia (Müller et al., 2001), Brandberg West in Namibia (Macey & Harris, 2006), Svetloye, Khinganskoye...of the stage 2 tourmaline changed gradually from schorl to dravite as the temperature decreased, indicating...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 |  | | 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...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 |  | | 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 |  | | 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 |  | | 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 |  | 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, *...dravite–schorl solid solution, whereas type III tourmaline corresponds to foitite and schorl. The crystallization...these tourmalines are classified as foitite and schorl, they have We are grateful to two anonymous reviewers...hydrothermal gold deposits in the Kalgoorlie-Norseman region, western Australia. Econ. Geol. 94, 423–438. Gill...evidence for the origin of the Brandberg West area Sn-W vein deposits, NW Namibia. Miner. Deposita 41, 671–690 |  | | 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 . . . . . . . . . . . . . . . . . . . . . . . |  | | Report (volume) | | assemblages 376 Tourmaline stability in magmas: Schorl-dravite 377 Acknowledgments 379 References 379...pentaborate sheet structure from the Tuzla salt mine, Bosnia and Hercegovina. Am Mineral 79:562-569 Beukes...new hydrous calcium borate, from the Death Valley region, California. Am Mineral 44:911-919 Erd RC, McAllister...new hydrous calcium borate from the Death Valley region, California. Am Mineral 46:560-571 Erd RC, Morgan...(1989) Mineralogy and paragenesis of the Little Three mine pegmatites, Ramona District, San Diego County, California | | | Report (volume) | | assemblages...... Tourmaline stability in magmas: Schorl-dravite ..................2..0008 Bare MOW COPIES...NEODYINIIUIML . «.52,.nc0ccnenigacdaeanicaseeeMennt ae area erat a easins 620 README ALY 2655s Sen insects eb...pentaborate sheet structure from the Tuzla salt mine, Bosnia and Hercegovina. Am Mineral 79:562-569 Beukes...hydrous calcium borate, from the Death Valley —~ region, California. Am Mineral 44:911-919 Erd RC, McAllister...new hydrous calcium borate from the Death Valley region, California. Am Mineral 46:560-571 Erd RC, Morgan |  | | Book | | quite a perfect sphere. The planet has a surface area of 510 x 10 6 km 2, of which some 29 per cent is...shelf which surrounds the continents, the total land area is nearly 35 per cent of the whole surface. In other...124°20' Fig. 1.2 Map of submarine canyons off the West coast of California. At depths greater than about...mainly of iron. Surrounding this heavy core is the region known as the mantle (Fig. 1.3); and overlying that...circum-Pacific belt, and about 22 per cent in the Alpine area. Many smaller shocks also occur in zones of submarine |  | | Book (edition) | | The surface area of the planet is 510 x 10 6 km 2 ( 197 x 10 6 square miles), and of this area 29 per cent...the continuents are added, the total continental area is nearly 35 per cent. Surface relief is varied:...Fig. 1.2 1 o' Map of submarine canyons off the west coast of California. depth result in the rock-material...of iron and nickel. Surrounding the core is the region known as the mantle (Fig. 1.3) and overlying that...thrown upwards. The intensity at points within the area affected can be marked on a map, and lines of equal |
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