 | | 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 |  | Wall, F., Niku-Paavola, V. N., Storey, C., Muller, A., Jeffries, T. (2008) XENOTIME-(Y) FROM CARBONATITE DYKES AT LOFDAL, NAMIBIA: UNUSUALLY LOW LREE:HREE RATIO IN CARBONATITE, AND THE FIRST DATING OF XENOTIME OVERGROWTHS ON ZIRCON. The Canadian Mineralogist, 46 (4) 861-877 doi:10.3749/canmin.46.4.861 | Journal (article/letter/editorial) | | XENOTIME-(Y) FROM CARBONATITE DYKES AT LOFDAL, NAMIBIA: UNUSUALLY LOW LREE:HREE RATIO IN CARBONATITE,...1, Aviation Road, Private Bag 13297, Windhoek, Namibia Craig STOREY Department of Earth Sciences, University...very rare in carbonatite. Uniquely, at Lofdal, Namibia, xenotime-(Y) occurs in many carbonatite dykes... in situ dating, LAâICPâMS technique, Lofdal, Namibia. § E-mail address: f.wall@exeter.ac.uk 862...Malawi (Wall & Mariano 1996). However at Lofdal, Namibia, xenotime-(Y) is a common accessory mineral in |  | | Journal (article/letter/editorial) | | Gross Spitzkoppe and Klein Spitzkoppe stocks in Namibia: Topaz-bearing A-type granites related to continental...Geological Survey of Namibia, P.O. Box 2168, 1 Aviation Road, Windhoek, Namibia c Rosh Pinab Zinc Corporation...Corporation (Pty) Ltd, P.O. Box 115, Rosh Pinab, Namibia Received 3 February 2006; accepted 4 December...The anorogenic Damaraland intrusive complexes in Namibia belong to the bimodal ParanĂĄâEtendeka Large Igneous...1. Introduction The ParanĂĄ (Brazil)âEtendeka (Namibia) flood volcanic and associated plutonic rocks represent |  | | 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unpublished.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) | | endoskarn abundance in CuâZn skarns at the Empire Mine, Idaho, USA Zhaoshan Changa,*, L.D. Meinertb a ...in some CuâZn skarn deposits such as the Empire Mine in Idaho. Important features include: (1) quartz...localities such as the world-class CuâZn skarn Antamina mine, as well as some tin and rapakivi granites. D 2004...associated with some ore deposits, such as the Empire Mine, Idaho, USA, contain quartz phenocrysts that are...tin and rare-metals mineralization at the Pitinga mine, Brazil. Embayment of quartz phenocrysts also has |  | | Report (issue) | | was also suggested that limestone at Kalkfeld, Okorusu, Phalaborwa, Lokupoi Hill (Napak), Toror, and Tororo...Libya Malawi Mali Mauritania Morocco Mozambique Namibia Somalia South Africa Sudan Tanzania Uganda Zambia...vermiculite, calcite, chalcopyrite, baddeleyite, thorite, and uraninite. The commodities extracted from...section it is noted if the carbonatite hosts an active mine, is a past-producer, or is considered a âdepositâ...on the 330 occurrences then compiled. The only region significantly underrepresented in that compilation |  | Trofanenko, J., Williams-Jones, A. E., Simandl, G. J., Migdisov, A. A. (2016) The Nature and Origin of the REE Mineralization in the Wicheeda Carbonatite, British Columbia, Canada. Economic Geology, 111 (1) 199-223 doi:10.2113/econgeo.111.1.199 | Journal (article/letter/editorial) | | they occur with barite, molybdenite, pyrite, and thorite. Minor concentrations of niobium are present as...(Na, Ca)2Nb2O6(OH, F) Rutile Rut (Ti, Nb, Fe)O2 Thorite Th (Th, U)SiO4 Sulfides Pyrite Py FeS2 Molybdenite...rock. Traces of molybdenite, niobian rutile, and thorite are also present. Three texturally distinct varieties...line dolomite 2 in the vugs (Fig. 7F). Traces of thorite occur as inclusions in bastnäsite-(Ce) and vug-filling...and vugs, and were followed by precipitation of thorite and monazite-(Ce), later ancylite-(Ce) and cordylite-(Ce) |  | Doroshkevich, A. G., Viladkar, S. G., Ripp, G. S., Burtseva, M. V. (2009) HYDROTHERMAL REE MINERALIZATION IN THE AMBA DONGAR CARBONATITE COMPLEX, GUJARAT, INDIA. The Canadian Mineralogist, 47 (5) 1105-1116 doi:10.3749/canmin.47.5.1105 | Journal (article/letter/editorial) | | high abundances of cerite, monazite-(Ce), and thorite (Viladkar 1996). Veins of sideritic carbonatite...carbonatites, also contain cerite, monazite and thorite. Locally, the total REE content is well above 15...sĂśvites. The Kalkfeld carbonatite complex, in Namibia, can be considered a good example of the important...associated with carbonatite at Amba Dongar, India, and Okorusu, South West Africa. Inst. Mining Metall. Trans |  | | Journal (article/letter/editorial) | | somewhat analogous to the modern 114 western Pacific region, dominantly composed of island arcs in the absence...synthesized by Zhao (2004) for the Western Pacific region shows 233 stagnant slabs floating in the mantle...detritus will get stacked in the middle mantle region due 250 to buoyancy, generating a âsecond continentâ...Atlantic 457 would explain the origin of LIP in the region (Karoo, Ferrar, Tasman and Chon Aike; 458 Gondwana...underlying superplume in the South Atlantic 462 region, forming the Weddell triple junction. 463 The |  | Kozlov, Evgeniy, Fomina, Ekaterina, Sidorov, Mikhail, Shilovskikh, Vladimir, Bocharov, Vladimir, Chernyavsky, Alexey, Huber, MiĹosz (2020) The Petyayan-Vara Carbonatite-Hosted Rare Earth Deposit (Vuoriyarvi, NW Russia): Mineralogy and Geochemistry. Minerals, 10 (1) 73 doi:10.3390/min10010073 | Journal (article/letter/editorial) | | strontianite, quartz, calcite, monazite, HREE-rich thorite, and Fe-hydroxides were deposited. Breccias with...(e.g., [74â76]). Importantly, Mongolia [52,53], Namibia New Zealand Norway [58], Russia [59â64], South...Vuoriyarvi alkaline-ultrabasic carbonatite massif (Kola region, Russia) is one of more than 2. Geological Setting...Vuoriyarvi alkaline-ultrabasic carbonatite massif (Kola region, Russia) is one of more than massif is complex...NaFe3+ Si2 O6 Albite, NaAlSi3 O8 Zircon, ZrSiO4 Thorite, ThSiO4 Quartz, SiO2 Fluorcalciopyrochlore, (Ca |  | | Journal (article/letter/editorial) | | 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...1986). Thus the most important feature of this region is the sequential development of granitic rock...for the temporal evolution of the Saudi Arabian region during Upper Proterozoic to early Phanerozoic times...almost identical age range to the mixed province in Namibia, with oversaturated magmatism close to the coast |  | | 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 |  | | Journal (issue) | | refuse a challenge, descending into the earth in old mine workings. This was followed by many hours reading...with you and, as you might have guessed, most of mine have a mineral flavour .. ⢠⢠⢠⢠⢠I remember...underground, but she went down into an underground mine at Trevinnick in Cornwall. Dorothy was suitably...Dorothy had a micro agardite-(Y) from Marke Valley Mine, Linkinhorne, Cornwall featured as one of SMLS mineral...His travels took him all over Scandinavia, at one mine in the far north of Norway he even had to have his |  | Hurai, Vratislav, Paquette, Jean-Louis, HuraiovĂĄ, Monika, SlobodnĂk, Marek, HvoĹžÄara, Pavel, Siegfried, Peter, GajdoĹĄovĂĄ, Michaela, MilovskĂĄ, Stanislava (2017) New insights into the origin of the Evate apatite-iron oxide-carbonate deposit, Northeastern Mozambique, constrained by mineralogy, textures, thermochronometry, and fluid inclusions. Ore Geology Reviews, 80. 1072-1091 doi:10.1016/j.oregeorev.2016.09.017 | Journal (article/letter/editorial) | | Prospecting Services cc, PO Box 24218, Windhoek, Namibia CE P 8 Earth Science Institute, Slovak Academy...Klippe, approximately 50 T km east of the coastal region of the Nampula Province, Mozambique (Fig. 1). The...apatite. Some monazites contain rutile, zircon, and thorite inclusions. Monazite has not been observed in ...structure has only one maximum in the first-order region at 1575-1582 cm-1 (G-band), corresponding to symmetric... AC bearing dolomitic carbonatite at Eureka, Namibia (Worley et al. 1995) and together with diamond |  | | Book | | . . . . . . . . . . . . . . . . . . . . . . . Thorite Veins and Breccia Pipes . . . . . . . . . . . ...thori te Priorite, thorite, xenotime, thalenite Thorianite, cerianite, eschynite, thorite Monazi t,e, cheralite...Zirkeli te, clarkeite, al!a.ni te, chevkini te Thorite Thorite Radiobarite Radioca.lcite('?), radiofluorite(...beta-uranophane Renardite Monazite, cheralite, thorite, w¡anophane, apatite, xenotime Thorogum1nite, apatite...(1955) obtained generally similar results vvith thorite heated in air. In samples heated in an inert atmosphere |  | | Journal (issue) | | by U. Burchard Recent discoveries at the Jeffrey mine, Asbestos, Quebec . .. ................. . . .....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...Hutcheson, Asbestos, Quebec Canada J1 T 4J8 The Jeffrey mine in Asbestos, Quebec, Canada, is world1amous for...INTRODUCTION The Jeffrey mine in Asbestos, Quebec, Canada, is a huge chrysotile mine which began operating |  | | 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 |  | | Report (issue) | | for foreign countries, if a given name refers to a mine or deposit, a nearby location or administrative...names may be used to refer to a single deposit or mine. For large deposits or mineralized areas, a 3 single...third order administrative area, basin/formation/region(area)/deposit, and deposit/site name. Guano and...third order administrative area, basin/formation/region(area)/ deposit, deposit/site name, deposit type...information in the next two fields, .Basin/Fmt/Region (area)/Deposit and Deposit/Site_Name, is meant |  | | 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) |  | Doroshkevich, Anna G., Veksler, Ilya V., Klemd, Reiner, Khromova, Elena A., Izbrodin, Ivan A. (2017) Trace-element composition of minerals and rocks in the Belaya Zima carbonatite complex (Russia): Implications for the mechanisms of magma evolution and carbonatite formation. Lithos, 284. 91-108 doi:10.1016/j.lithos.2017.04.003 | Journal (article/letter/editorial) | | river Zima in the Tulun district of the Irkutsk region in southern Siberia. The Belaya Zima carbonatites... minerals of the burbankite group, coffinite, thorite, pyrochlore, columbite-(Fe) and norsethite are...fluid-inclusion evidence from the Okorusu fluorite deposit, Namibia. Chemical Geology 186, 75â98. doi:10 |  | | Report (issue) | | by the U.S. Government Published in the Eastern Region, Reston, VA Manuscript approved for publication...right to file claims that permit the claimants to mine and sell minerals found. The Mining Law does not... 6 TABLE 1.-U.S. MINERAL INDUSTRY TRENDS Total mine production: 1 Metals Industrial minerals Coal Employment:...largest growth in exploration expenditure of any region in the world. In addition, plans for more than...billion in potential new mineral developments in the region were announced. Much of the interest in exploration |  | | Journal (article/letter/editorial) | | Thenardite Thomsonite-(Ca) Thoreaulite Thorianite Thorite Thortveitite Thorutite Thulite Tiemannite Tinaksite...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...make a contribution to the cultural heritage of a region and may successfully be used in exploration (Mascaro...you look for a mine look near a mineâ. This includes the imperative âif you look for a mine look for smelting | | | Journal (article/letter/editorial) | | Thenardite Thomsonite-(Ca) Thoreaulite Thorianite Thorite Thortveitite Thorutite Thulite Tiemannite Tinaksite...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...make a contribution to the cultural heritage of a region and may successfully be used in exploration (Mascaro...you look for a mine look near a mineâ. This includes the imperative âif you look for a mine look for smelting |  | | Journal (volume) | | Tertiary Alkaline Lavas from the Kahuzi- Biega Region, Western Rift, Kivu, Zaire: R. T. Lubala, A. B...nicity ancJ continental evolution in the Barberton region, Transvaal. In Clifford, T. N. and Gass. I.G. (Eds)...(Homa Bay Rept. No 32 1944). The closure of the mine in 1966 was 1nainly a result of the decrease of...place. 2. Geological succession in the Migori region The Migori greenstone belt comprises a metamorphosed...Kuja rivers and in the open-cast section of the mine. The width of metabasalt and pillow lavas decreases | | | Report (issue) | | for foreign countries, if a given name refers to a mine or deposit, a nearby location or administrative...may be used to 3 refer to a single deposit or mine. For large deposits or mineralized areas, a single...third order administrative area, basin/formation/region(area)/deposit, and deposit/site name. Guano and...third order administrative area, basin/formation/region(area)/ deposit, deposit/site name, deposit type...The information in the next two fields, Basin/Fmt/Region (area)/Deposit and Deposit/Site_Name, is meant |
|
