 | | Journal (article/letter/editorial) | | major depositsand especially Messrs.Bradford,A. Burne,Dr. de Neve, Major Farrington,Dr.Ing. Hermann, Messrs...The writer is indebted to Dr. Charles H. Behre,to Dr. RichardH. Jahnsand Dr. KennethBurke who kindly...Mrima, Kenya. Bastnâ˘/sitewas found at Kwaraa, Tanganyika,and at Karonge,Ruanda-Urundi. The great Mountain...severaloccurrences, as well as cassiterite,gold and tourmaline. The only depositsof pyrochlorein fenitesand..."Pandaite," the Sr-Ba pyrochloreoccursin biotitite in Tanganyika, Lueshite, the sodium-niobate, was found in biotitite |  | | Journal (article/letter/editorial) | | Nechalacho; (19) Mt Weld; (20) Kamativi; (21) Manono-Kitotolo; (22) Motzfeldt; (23) Tanbreez; (24) Crevie;...Brockman Pitinga Nechalacho Mt Weld Kamativi Manono-Kitotolo Motzfeldt Tanbreez Crevie Kenticha Three Alloes...object, Mt Weld (Yilgarn craton). Here, the operating mine produces only rareearth ores beyond the zones, containing...Grenvillides in the south of Central Africa: Manono-Kitotolo in the Kibaran belt and Kamativi in the Dete-Kamativi...supplied from this part of Africa (the east of DR Congo, Rwanda, and Burundi) to the global market for |  | | Journal (article/letter/editorial) | | Kibara Belt (mainly Rwanda and the DR Congo), around the Kenticha mine (Ethiopia) and in the Alto Ligonha...predominate in the Man Shield (Sierra Leone), the Congo Craton (DR Congo), the Kamativi Belt (Zimbabwe) and the...importance, Rwanda, the Democratic Republic of the Congo (DRC), Mozambique, Ethiopia, Nigeria and Burundi...content). Burundi DR Congo Ethiopia Mozambique Nigeria Rwanda Africa total World mine production % Africa/world...Africa/world Ta mine production 2008 2009 2010 2011 2012 2013 2014 2015 32 159 45 178 84 321 820 |  | | Report (issue) | | - - - - - - - - - - - - - - - - - - - - - - - 8. Mine production of lithium by country, 1980 to 1986-...times larger, than was thought when the decision to mine was made. Experts with a sound knowledge of a deposit...spodumene, lepidolite, and amblygonite, and Manono-Kitotolo, Zaire, are localities having large zoned pegmatite...are mined mostly from the surface, although the mine at Bernie Lake, Canada, is TABLE LITHIUM RESOURCES...countries, especially the Soviet Union. 9 TABLE 8.-Mine production of lithium by country, 1980 to 1986 |  | | Journal (article/letter/editorial) | | 6 Pegmatite: Granitic pegmatite Âą muscovite, tourmaline, HFSE minerals such as CGMs, wodginite, and microlite...experimentally, although Cheng et al. (2019) propose that tourmaline concentrated at the roofs of granite intrusions...substitution in a silicate phase such as muscovite or tourmaline, together with tantalite (Van Lichtervelde et...at Tanco, ÄernĂ˝ 2005; or Manono-Kitotolo, Katanga, Democratic Republic of Congo, Dewaele et al. 2016) or...been proposed to explain the crystallization of tourmaline at Tanco, with Mg and Ti having been derived |  | | Journal (article/letter/editorial) | | + Ta-rich cassiterite. Simpsonite is present in Manono and Maniema pegmatites. Local replacement of foordite-thoreaulite...first described from the Manono granitic pegmatite, Democratic Republic of Congo (DRC), formerly Zaire (Buttgenbach...alkali-bearing Nb-Ta phases are known from the Manono, DRC and Ungursai, Kazakhstan granitic pegmatites...evolution of the associated secondary minerals from the Manono, Maniema, Lutsiro, Urubu and Ungursai granitic...to Palaeozoic rare-element granitic pegmatites (Manono, Maniema, Urubu, Ungursai) or alluvial clastic |  | | Journal (article/letter/editorial) | | the Kalima area (Maniema, Democratic Republic of Congo)â S. Dewaele, Ph. Muchez, R. Burgess, and A. Boyce...deposits at the periphery of the Zijinshan copper-gold mine, southeastern ChinaâBimin Zhang, Xueqiu Wang, Rong...the Qilinchang Zn-Pb-(Ag-Ge) deposit in the Huize mine district, northeastern Yunnan, ChinaâRun-Sheng Han...the Katanga Copperbelt (Democratic Republic of Congo)âSophie DecrĂŠe, Olivier Pourret, and Jean-Marc Baele...(including empirical PdCuBiSe3) from the former Roter Bär mine, St. Andreasberg, Harz Mountains, Germany: A result |  | Feng, Yonggang, Liang, Ting, Yang, Xiuqing, Zhang, Ze, Wang, Yiqian (2019) Chemical Evolution of Nb-Ta Oxides and Cassiterite in Phosphorus-Rich Albite-Spodumene Pegmatites in the KangxiwaâDahongliutan Pegmatite Field, Western Kunlun Orogen, China. Minerals, 9 (3) 166 doi:10.3390/min9030166 | Journal (article/letter/editorial) | | to 217 Ma), mainly including barren garnet-, tourmaline-bearing pegmatites, Be-rich beryl-muscovite pegmatites...two-mica granite with variable amounts of garnet, tourmaline, magnetite, apatite, and zircon (Figure 1b) [34]...pegmatites, namely, (i) barren barren garnet-, tourmaline-bearing microcline pegmatites (GrtTur pegmatites)...pegmatites), (ii) Be-rich berylgarnet-, tourmaline-bearing microcline pegmatites (GrtTur pegmatites), (ii)...the contact, the country rock contains abundant tourmaline. Figure 2. (a) Google Google Earth Earth satellite |  | Makutu, Douxdoux Kumakele, Seo, Jung Hun, Lee, Insung, Oh, Jihye, Kang, Pilmo, Ongendangenda, Albert Tienge, Makoka, Frederic Mwanza (2023) Magmatic-Hydrothermal Fluid Processes of the Sn-W Granites in the Maniema Province of the Kibara Belt (KIB), Democratic Republic of Congo. Minerals, 13 (4) 458 doi:10.3390/min13040458 | Journal (article/letter/editorial) | | of the Kibara Belt (KIB), Democratic Republic of Congo Douxdoux Kumakele Makutu 1 , Jung Hun Seo 2, * ...of the Kibara Belt (KIB), Democratic Republic of Congo. Minerals 2023, 13, 458. https:// doi.org/10.3390/min13040458...University, Kinshasa 012, Democratic Republic of the Congo Correspondence: seo28@snu.ac.kr; Tel.: +82-10-4457-4877...assemblages of muscovite-quartz (Âątopaz-fluorite-tourmaline) occur in the granites, and muscovite-sericite-quartz...provinces in Africa are as follows: 1.1 Man Shield, 1.2 Congo Craton, 1.3 Zimbabwe Craton, 1.4 Kaapvaal Craton; |  | | Conference Proceedings (Volume) | | Cover photograph: View of the Aitik open pit copper mine in the very north of Sweden. Mining operations started...and Li mineralization of Manono-Kitotolo (Katanga, Democratic Republic of Congo): current state of knowledge...Skarn zonation and fluid evolution in the Groundhog Mine, Central Mining District, New Mexico. Econ Geol...diorite porphyry in the Shinyama area, Kamaishi mine, Japan. Min Geol 28:99â109 Nakano T (1998) Pyroxene...Tungsten-bearing skarns of the Sierra Nevada. I. The Pine Creek mine, California. Econ Geol 77:823â844 Nicolescu S (1996) |  | Melcher, Frank, Graupner, Torsten, Gäbler, Hans-Eike, Sitnikova, Maria, Henjes-Kunst, Friedhelm, OberthĂźr, Thomas, Gerdes, Axel, Dewaele, Stijn (2015) Tantalumâ(niobiumâtin) mineralisation in African pegmatites and rare metal granites: Constraints from TaâNb oxide mineralogy, geochemistry and UâPb geochronology. Ore Geology Reviews, 64. 667-719 doi:10.1016/j.oregeorev.2013.09.003 | Journal (article/letter/editorial) | | Ma) 4.1.1. Man Shield (Sierra Leone) NU 4.1.2. Congo Craton (DRC) 4.1.3. Zimbabwe Craton (Zimbabwe) ...provinces MA 5.1. Archean 5.1.1. Man Shield 5.1.2. Congo Craton 5.2. Paleoproterozoic CE P 5.2.1. Birimian...Shield (Sierra Leone), the Congo Craton TE (Democratic Republic of the Congo), the Kamativi Belt (Zimbabwe)...African countries (Democratic Republic CE P of the Congo, Rwanda, Burundi, and Uganda) have an almost 100-year-long... 3. Methods Concentrate samples from different mine sites in many African countries have been investigated |  | | Journal (article/letter/editorial) | | particularly from Burundi, Democratic Republic of Congo (DRC) and Rwanda (Roskill, 2016), where its exploitation...obtained from the ancient open pit of the Penouta mine (Fig. 1), corresponding to the apical zone. Whole...Accessory minerals are spessartite, almandine, tourmaline, cassiterite, Nb-Ta oxides, beryl, apatite, monazite...practically ruled out in the Penouta deposit, because tourmaline is a very accessory mineral and also by the deposit...and Li mineralization of Manono-Kitotolo (Katanga, Democratic Republic of Congo). Ore Geology Reviews, |  | | Journal (article/letter/editorial) | | potentiality of 3 granite types i.e. biotite, topaz and tourmaline granites suggest that biotite granites is actually...lost in the tailings is mostly locked within tourmaline or micas and is fine grained. Then, predictive...Mountain Pass mine and the Bear Lodge deposit 67 (United States), or the Mount Weld mine (Australia)...resource, development of 84 an integrated approach to mine value chain optimisation is required on a strategic...on the 95 whole orebody and long-term life-of-mine scale and tactical geometallurgy which relates to |  | Chen, Zhuo, Chen, Jianping, Liu, Tao, Li, Yunfeng, Yin, Qichun, Du, Haishuang (2023) Regional Quantitative Mineral Prospectivity Mapping of W, Sn, and Nb-Ta Based on Integrated Information in Rwanda, Central Africa. Minerals, 13 (2) 189 doi:10.3390/min13020189 | Journal (article/letter/editorial) | | and on the west by the Democratic Republic of the Congo. The country lies 120 km south of the equator, covering...basement [36]) during the subduction between the Congo and Tanzania cratons [43]. The granitic intrusions...biotites and accessory minerals including apatite, tourmaline, ilmenite, monazite, xenotime and zircon [50...Rwanda: First results from deep drilling of a coltan mine in Rwanda and first detailed description of Li minerals...and Li mineralization of Manono-Kitotolo (Katanga, Democratic Republic of Congo). Ore Geol. Rev. 2016, |  | Van Daele, J., Hulsbosch, N., Dewaele, S., Boiron, M.-C., Piessens, K., Boyce, A., Muchez, Ph. (2018) Mixing of magmatic-hydrothermal and metamorphic fluids and the origin of peribatholitic Sn vein-type deposits in Rwanda. Ore Geology Reviews, 101. 481-501 doi:10.1016/j.oregeorev.2018.07.020 | Journal (article/letter/editorial) | | located in Central Africa, covering parts of D.R. Congo, Rwanda, Burundi, Uganda and Tanzania. The KAB consists...the Ntunga mine in Rwanda (Hulsbosch et al., 2017; Varlamoff, 1969). The pegmatites of the mine sites of...the host rock next to the quartz vein. Black tourmaline regularly occurs, mostly at the border of the...ANR-10-LABX-21âLABEX RESSOURCES21). Dr. Francis Gatare, dr. Emmanuel Munyengabe, dr. Michael Biryabarema and Alain...area. We also would like to express our gratitude to dr. Elvira Vassilieva (KU Leuven) for her help with |  | | Journal (article/letter/editorial) | | Ruggedized SEM platform allows the application even in a mine-site environment. Mineralogic Mining features four...cassiterite, wolframite, garnet, iron oxides, tourmaline, staurolite, orthopyroxene, primary and secondary...The absence of feldspar, sulphides, secondary tourmaline, quartz, and the abundance of iron oxides are...and signals Rwanda and the Democratic Republic of Congo. A further limitation based exclusively on tapiolite-(Fe)...of comparative data. The Manono-Kitotolo deposit (Democratic Republic of Congo) appears as a possible source |  | | Report (issue) | | extraLapis English No. 3: Tourmaline Publisher Lapis International, LLC; East Hampton, CT Concept &...Madagascar. Photo by Bild & Text Mager Dedicated to Dr. Eugene Edward Foord (1946 - 1998) For his sincere...Golconda Mine in Minas Gerais, Brazil by Eberhard Equit, 1993 extraLapis English No. 3 Tourmaline A Gemstone...LAPIS INTERNATIONAL, USA Tourmaline ⌠History ⌠Mineralogy ⢠Tourmaline - History in Brief ..........Mineralogy of the Tourmaline Group . . . 10 Species by Species - The Minerals of the Tourmaline Group ..... |  | | Book | | The contribution of essentially two chapters from Dr. C. Cuff has considerably enhanced the text as has...SULPHIDE 'GREISEN STYLE'MASSIVE CHLORITE QUARTZ VEIN TOURMALINE FLUORITE-MAGNETITE PbZn SKARNS Cu INTRUSIVE...sediment contacts. Chlorite types prodiminate but tourmaline, sericite, and sulphide rich examples are common...biotite muscovite adamellite with fine grained tourmaline rich marginal variants). Several major porphyritic...style is groups of quartz- tourmaline veins associated with tourmaline-rich granites and aplites. In |  | | Journal (article/letter/editorial) | | TischendorďŹte Tlapallite Todorokite Topaz Torbernite Tourmaline, rubellite, indigolite, elbaite, dravite, schoerl...hanging wall. During a subsequent mining period, the mine was re-opened to recover sideritic parts of the...you look for a mine look near a mineâ. This includes the imperative âif you look for a mine look for smelting...also for the chrome diopside found at Outukumpu mine, a mineral that is ďŹrst and foremost recognized...According to the Raw Materials Group (Sweden), the world mine production in 2005 stood at 19.3 m t metal content | | | Journal (article/letter/editorial) | | TischendorďŹte Tlapallite Todorokite Topaz Torbernite Tourmaline, rubellite, indigolite, elbaite, dravite, schoerl...hanging wall. During a subsequent mining period, the mine was re-opened to recover sideritic parts of the...you look for a mine look near a mineâ. This includes the imperative âif you look for a mine look for smelting...also for the chrome diopside found at Outukumpu mine, a mineral that is ďŹrst and foremost recognized...According to the Raw Materials Group (Sweden), the world mine production in 2005 stood at 19.3 m t metal content |  | | Book | | 50, p. 164-168 Heim, Î., 1 9 3 4 , The molybdenum mine at Azegour: Soc. Econ. Geol., v. 29, p. 76-83..., Allanite et epidote dans des corneennes de la mine d'Azegour, Haut-Atlas: Serv. Geol. Maroc. Notes... Maroc): Libr. Ăźnivers. Geneve, 88 p. Notes The mine at Azegour is located on the north side of the High...after 1956; the interest that the geology of the mine has aroused is shown by the large number of publications...the most important of which contains the Azegour mine, and (4) the Toulkine band that abuts against the |  | | Book | | considered to be a natural accumulation of useful mine ra l materials that can be profitably extracted...whereas the other one te nds to flow. At the Dunkin mine of the Breckenridge district, Colorado, the Dunkin...after it passed into shale (Fig. 2-4). In the same mine several le nticul a r ore shoots are separated by...between porphyry and sediments, 350-ft level, Jerome mine, Ontario, Canada. Somewhat simplified after W. L...emplaced in andesite bu t not in schist. Auno r Gold Mine, Ont ario, Canada . After B. S. W. BuITa m. "Struct |  | | Journal (issue) | | evolutions of primary and secondary (metasomatic) tourmaline from elbaite-subtype pegmatites PikĂĄrec and ReÄice:...petrogenetic significance of melt inclusions in tourmaline of muscovite â rare-element pegmatites: a mineralogical...SIMMONS, W.B. Interaction of basaltic melt with gem tourmaline miarolitic cavities in the Havey pegmatite, Poland...analysis of muscovite, plagioclase, K-feldspar and tourmaline, the last occurring only in contact zones with...with low Rb and high Sr such as plagioclase and tourmaline. Ages and initial 87Sr/86Sr ratios obtained for |  | | Book | | much biased by science with too little sense of mine for beauty) will keep his memory and work, alive...mining Pb, Cu and Ag, the metals extracted from the mine helped the people of Goslar to accumulate wealth...4524/5507 a N New Aplite Kreuzberg Pegmatite Weiss Mine Pegmatite Silbergrube Aplite Granite Quartz vein...classification. Sn-W-Ta-Nb Pegmatites (12a D) The Manono-Kitolo deposits is the most wellknown representative...Sn-W-Nb-Ta-Be-Li province along the eastern boundary of the DR Congo with Burundi, Rwanda and Uganda. Further pegmatites |  | | Report (issue) | | and siderite from Beaver County, Pa __ Ellsman mine, Glasgow, and Midland Stratigraphic sections, Beaver...tables, it was assumed that Rhodesia had continued to mine at the same rate of about 860 metric tonnes (950...to build a $4 million spodumene concentrator at Manono. Table 14 is included to show world trade for lithium...Lake, Utah, U.S.A. Salar de Atacama, Chile Manono-Kitotolo District, Zaire These represent producing districts...Lithium Corporation of America opened up its own mine some 5 miles northwest of its Bessemer City, North |
|
