 | | Report (issue) | | MINISTRY OF MINES Al'TD ENERGY GEOLOGICAL SURVEY NAMIBIA -jl i 1990 ,.1 Open File Report :MRS 09 -~I...MINISTRY OF MINES AND ENERGY GEOLOGICAL SURVEY NAMIBIA 1990 Open File Report MRS 09 2 Abstract A number...number of fluorite deposits occur in Namibia. These belong to the replacement-, vein- and breccia pipe...one is at Okorusu Fluorite Mine, a replacement-type deposit that is associated with the Okorusu Alkaline...56% CaF2. With the exception of the Garub Fluorite Mine, a breccia pipe deposit, all other fluorite occurrences |  | BĂźhn, B., Rankin, A.H., Schneider, J., Dulski, P. (2002) The nature of orthomagmatic, carbonatitic fluids precipitating REE,Sr-rich fluorite: fluid-inclusion evidence from the Okorusu fluorite deposit, Namibia. Chemical Geology, 186 (1) 75-98 doi:10.1016/s0009-2541(01)00421-1 | Journal (article/letter/editorial) | | luid-inclusion evidence from the Okorusu f luorite deposit, Namibia B. BuĚhn a,*, A.H. Rankin b, J. Schneider...March 2001; accepted 7 December 2001 Abstract The Okorusu fluorite deposit occurs in Pan-African carbonaceous...northern Namibia. The epigenetic mineralization formed from fluids expelled from the Cretaceous Okorusu carbonatite...70458 â 0.70459, which are close to those of the Okorusu carbonatite. Primary and secondary aqueous fluid...cryolite, burbankite, pyrite, fluorite, barite and kyanite (?), amongst others. Crush â leach analysis applied |  | | Book | | 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...from near and far. Fine mineral specimen from Namibia are displayed in all the famous natural science |  | | 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...Ianâs 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 |  | | 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 (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, SĂźdafrika 35-39 Tucson 2002 40- Neue...MINERALOGIST 87(4), 04.02 405-416 Coexisting andalusite, kyanite and sillimanite : sequential formation of three |  | | Book | | relationship to beneficiation problems at Okorusu, Namibia Hagni, RD 297 Ore microscopic study of copper...losses from mining of bornite ores in the Sweetwater Mine, Viburnum Trend, Southeast Missouri Hagni, RD 307...element content and optical cathodoluminescence of kyanite MĂźller, A, Van den Kerhof, AM, and Broekmans, MATM...oxidation and mobilization of arsenic in the Ketza River mine tailings Paktunc, D, Thibault, Y, and Weisener,... Understanding micro-environment development in mine tailings using MLA and image analysis Redwan, M |  | | Journal (issue) | | and Smelting Company of British Columbia, and the Mine and Exploration Division of the Canadian Forestry...âThe Mineralogy and Geology of the Silence Lake Mineâ was published in Lapis (May 1985), and he was a...Colorado he worked as a miner at the Climax molybdenum mine. Benjy married Elizabeth Ann Spangler, and they...volume 51, SeptemberâOctober, 2020 famous Franklin mine. Russell and Alexandra were married soon after meeting...com | w w w. FineMineral.com Colorado Quartz Mine, California, USA 6 cm Rudolph Now accepting |  | | 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. |  | | 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...occurrences of niobium-tantalum mineralisation in Namibia are classified and described according to their...pegmatites occur in the Karibib area, central Namibia. Uranium mineralised alaskites carrying accessory |  | | Report (issue) | | ~o Moroni Lusaka*--- ⢠Ha B MOZAMBIQUE NAMIBIA ( Windhoek* Gaborone * Pretoria * Mbabane ... 105 Mozambique . . . . . . . . . . . . . 113 Namibia . . . . . . . . . . . . . . . . 119 Nigeria . ...of diversified experience in mineral exploration, mine design, development, and operations, as well as...mineral industry of Canada, Iran, Mexico, and Namibia. He is also the Bureau's specialist on the North...in Africa and the Middle East, especially Iraq, Namibia, South Africa, and Zaire. Hendrik G. van Oss is |  | | Report (issue) | | Ilmenite Indium Iodine Iron Ore Iron and Steel Kyanite Lead Lime Lithium Magnesium Manganese ⢠USGS science...by the U.S. Government Published in the Eastern Region, Reston, VA Manuscript approved for publication...Slag . . . . . . . . . . . . . . . . . . . . . 90 Kyanite and Related Minerals . . . . . . . . . . . . ....Rutile Titanium (sponge) Vanadium (ferrovanadium) Kyanite South Africa Zirconium Vermiculite Russia,...right to file claims that permit the claimants to mine and sell minerals found. The Mining Law does not |  | | Catalog/List | | of Crystallized Gold from the famed Eagleâs Nest Mine in California A superb Crystallized âLeafâ Gold...gemstone Amethyst to come from the famed Four Peaks Mine in Arizona A sharp and complicated Crystallized...Crystallized Silver with Copper from the famed Wolverine Mine in Michigan A âclassicâ Rhodochrosite with associated...associated Pyrite and Quartz from the Sweet Home Mine in Colorado An unusually massive and extremely colorful...colorful, Smithsonite from the iconic Kelly Mine in New Mexico A âgemâ quality specimen Tanzanite crystal in |  | | Journal (issue) | | by U. Burchard Recent discoveries at the Jeffrey mine, Asbestos, Quebec . .. ................. . . .....tropos = property). The best known example is kyanite, whose older name "disthene" (from the Greek dis...of kyanite shows that a mineral is indeed capable of scratching itself. The hardness of a kyanite crystal...Rhodochrosite, 3 inches wide, from the N'Chwaning mine, Cape Province, South Africa. Jeff Scovil photo...photo. RECENT DISCOVERIES aLtM JEFFREY MINE ASBESTOS, QUEBEC Marco Amabili Dipartimento di Ingegneria |  | | Journal (issue) | | Vishnevye Mts. in the Urals, a famous pegmatite region about 100 km south of Ekaterinberg, were purchased...exploration potential that exists in the surrounding region. Historical background Archaeologically, nephrite...were promoted as the principle nephrite-producing region for the Soviet Bloc countries and this appears...structural high and the oldest tectonic element in the region. These Precambrian rocks are unconformably overlain...rocks underlie an area of almost 100 km 2 in the region and host economically important mineral deposits |  | | Journal (article/letter/editorial) | | Kotoite Krennerite Kristiansenite Kutnahorite Kyanite Kylindrite Langbeinite Lanthanite Larnite Laumontite...the Alpine region, and (3) Mid-Triassic to early Jurassic extension in the extra-Alpine region. Isotope...hanging wall. During a subsequent mining period, the mine was re-opened to recover sideritic parts of the...clinopyroxene. Metamorphic rocks made up of talc and kyanite. D Trachyandesite Trachybasalt Trachyte Travertine...make a contribution to the cultural heritage of a region and may successfully be used in exploration (Mascaro | | | Journal (article/letter/editorial) | | Kotoite Krennerite Kristiansenite Kutnahorite Kyanite Kylindrite Langbeinite Lanthanite Larnite Laumontite...the Alpine region, and (3) Mid-Triassic to early Jurassic extension in the extra-Alpine region. Isotope...hanging wall. During a subsequent mining period, the mine was re-opened to recover sideritic parts of the...clinopyroxene. Metamorphic rocks made up of talc and kyanite. D Trachyandesite Trachybasalt Trachyte Travertine...make a contribution to the cultural heritage of a region and may successfully be used in exploration (Mascaro |  | | Journal (issue) | | Weltgeltung in den Fokus rĂźckt - wie Tsumeb in Namibia, das zu den mineralreichsten Fundpunkten der Welt...Skapolith aus Indien sowie Gwindel und Rutilquarze aus Namibia. Wir stellen die Neufunde wie jedes Jahr nach Kontinenten...und China. Asien China . Von hier kommt eines der Mine⢠ralien, Ăźber das in MĂźnchen am meisten gesprochen...kommen vermutlich aus dem Bergwerk Jiepaiyu (Shimen Mine). Shimen Co., Präf. Changde, Hunan. HĂźbsche, verästeltes...bis 2 cm Kantenlänge aus Rubtsovskoye, Altai-Krai-Region in SW-Sibirien, sind nicht preiswerter, aber - |  | | Book | | basic understanding of the geology of an area or region will never happen without initial observation of...Malawi Mali Mauritania Mauritius Morocco Mozambique Namibia Niger Nigeria Reunion (France) Rwanda SĂŁo ThomĂŠ...Democratic Republic of Congo were also felt by Angola, Namibia, Rwanda, Uganda and Zimbabwe. The long-term implication...(1872) on East Africa, in which the Great Lakes region of central eastern Africa is very poorly ďŹgured...Group of Morocco and the Damar metasediments of Namibia). In some cases these rocks are at very low metamorphic |  | | Book | | localities for good ilmenite crystals exist in the region (Brunet, I 977b ). NEW YORK Amity, Orange County...Springfield show ( 1995: 582). Madawaska [Faraday] mine near Bow Lake, Hastings County. Some of the world's...property of, the old Madawaska uranium mine (called the Faraday mine before 1964). The mineral assemblage...Cowgill, 1977). LATINAMERICA BRAZIL Jacupiranga mine, Sao Paulo. Among the crystallized minerals in the...in Switzerland, it is only in the Maderanertal region of east-central Canton Uri that clefts bearing |  | | Book | | magmatism of the eastern margin of the Atlantic (Namibia, Angola) or the western African kimberlites do...Mafic-Ultramafic Magmatism in the Southwest Uganda Region of the African Rift: Implications from Experimental.... . . ... 3 The Crust Under the Canary Islands Region ............. 4 Network of Fractures and Identity...Identity of Vertical Movements in the Canary Islands Region ........................... 4.1 Transoceanic and...African craton (200-180 Ma); Lebombo (195-190 Ma), Namibia (165-120 Ma), Chilwa (139 Ma), Luderitz (130 Ma) |  | | Journal (issue) | | Scovil photo. Vanadinite, 2.4 cm, from the Apache mine, Arizona. Collected by Evan Jones; Jeff Scovil photo...Miglioli photo. Fluorite, 7.4 cm, from the La Barre mine, France. Collected by Aubin Cosson; Niels Brouwer... from left: Caledonite, 1.1 cm, from the Reward mine, California. Collected by Jeff Lines; Ben DeCamp...Thrill of Discovery by Wendell Wilson Epilog: On Mine Safety UThe Field-CollectorsV Anthony J. Albini...the words of the original discoverers. Adelaide Mine, Tasmania, 1971, 2012 Albert Chapman wrote one such |  | | Book (edition) | | localities as inclusions in the limestoneââ (italics mine). Actually, the first published description of...carbonatite dikes cutting the kimberlite of the Premier mine (p. 542) he classed as magmatic, but 1 Bowen admitted...constituents of some of the massifs in the Meimecha-Kotui region of northern Siberia. ALKALIC CARBONATITIC COMPLEXES...Mountain, Mrima Hill, Rangwa, Spitskop. In the Tuva Region, U.S.S.R., some carbonatitic complexes contain... Ontario, Bukusu and Budeda, Uganda, and Okorusu, South-West Africa); see Fig. 2-12. In this |  | | Book (edition) | | Linopolis, Brazil, H Page 13: Gold, 35 mm.Eagle's est Mine, California, G Publi!>hed by Grdllit.u.o. Stefanikova43...abbreviated, e.g. canton (Switzerland), vilayet (Turkey), region (Chile), kray and oblast (Russia). The country...by Mobutu, and is now the Katanga administrative region again. The former Kivu province is now divided...United States or of the Upper Silesian historical region in Poland, where the importance of ore-bearing...Rice, Dolores co., both Colorado, at the Questa mine, Taos co., New 1994. Abernathyite K2[(UOJ 2l(AsO_J2]â˘6HzO |  | | Journal (issue) | | Stibioclaudetite, AsSbO3, a new mineral from Tsumeb, Namibia . . . . . . . . . . . . . . . . ...crystal cluster, 3 cm across, from the Machacamarca mine (Viboras Vein), near Colavi, PotosĂ Department,...good friend of mine, Jim Minette, worked as superintendent of a large open-pit borax mine that produced...W. E. Sheffield (fl. 1808) Chrysocolla Dalehead mine, Cumberland (Cumbria), England W. E. Sheffield was...Sowerby for study and illustration. The Dalehead mine, source of this chrysocolla, is also known as one |
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