 | | 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...hydrothermalalteration. Pyroxenites,jacupirangites,biotite-pyroxenites, and aegyrinitesof carbonaritecomp...Mrima, Kenya. Bastn•/sitewas found at Kwaraa, Tanganyika,and at Karonge,Ruanda-Urundi. The great Mountain..."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 itself are italicized; 5bd—baddeleyite; bi—biotite; с—cassiterite; f—fluorite; k—potassium feldspar;...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 |  | | 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 |  | Melcher, F., Graupner, T., Sitnikova, M., Henjes-Kunst, F., Oberthür, T., Gäbler, H.-E, Bahr, A., Gerdes, A., Brätz, H., Rantitsch, G. (2009) Ein Herkunftsnachweis für Niob-Tantalerze am Beispiel afrikanischer Selten-Element Pegmatite. Mitteilungen der Österreichischen Mineralogischen Gesellschaft, 155. | Journal (article/letter/editorial) | | conflicts, especially in the Democratic Republic of the Congo, is widely discussed. In many African countries...Nationalpark in der Demokratischen Republik Kongo (DR Kongo; „Durban Process“). Die Studie basierte auf...machten sich Rebellengruppen in den Ostprovinzen der DR Kongo zu nutze. Der illegale Abbau und Handel von...trug so zur Fortsetzung bewaffneter Konflikte in der DR Kongo und in den Nachbarstaaten bei. Exportstatistiken...des Sicherheitsrats der Vereinten Nationen für die DR Kongo regte die Einrichtung eines Zertifizierungssystems |  | | Book | | these ores . • 'fhe handbook has been written by Dr. C. F, Davidson, Chief Geologist of the r\tomic Energy...the important pitchblende deposits of the Belgian Congo and of Canada were developed, estimated annua~ output...will bear the cost of aeroplane freighting when a mine is situated in remote and otherwise inaccessible...in vughs in the pitchblende deposits of Belgian Congo, but the common mode of occurrence of this mineral...be found growing on pitchblende specimens in old mine dumps. The refractory uranium ores The uranium |  | | Journal (article/letter/editorial) | | the Kalima area (Maniema, Democratic Republic of Congo)— S. Dewaele, Ph. Muchez, R. Burgess, and A. Boyce...deposits at the periphery of the Zijinshan copper-gold mine, southeastern China—Bimin Zhang, Xueqiu Wang, Rong...the Qilinchang Zn-Pb-(Ag-Ge) deposit in the Huize mine district, northeastern Yunnan, China—Run-Sheng Han...the Katanga Copperbelt (Democratic Republic of Congo)—Sophie Decrée, Olivier Pourret, and Jean-Marc Baele...2015 Gold deposition caused by carbonation of biotite during late-stage fluid flow—Mark A. Pearce, Alistair |  | | 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...(with alteration comprising chlorite, albite, biotite). The age of the alteration is Carboniferous (300-320...alteration with magnetite; (ii) pervasive biotite with quartz ± biotite ± bornite + chalcopyrite veinlets and...Skarn zonation and fluid evolution in the Groundhog Mine, Central Mining District, New Mexico. Econ Geol |  | 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 Kangxiwa–Dahongliutan Pegmatite Field, Western Kunlun Orogen, China. Minerals, 9 (3) 166 doi:10.3390/min9030166 | Journal (article/letter/editorial) | | and mainly composed of biotite quartz schists, two-mica quartz schists, biotite quartz leptynite, felsic...composite granite showing lithology varying from biotite monzogranite to two-mica granite with variable...schists is dominated by medium- to coarse-grained biotite (10–20 vol. %), muscovite (20–35 vol. %), quartz...schists is dominated by medium- to coarse-grained biotite (10–20 vol. %), muscovite (20–35 vol. %), quartz...(a) (a)quartz quartz+ biotite (b) red-brown red-brown triphylitetriphylite+ biotite+ +muscovite muscovite++tourmaline |  | 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...provinces in Africa are as follows: 1.1 Man Shield, 1.2 Congo Craton, 1.3 Zimbabwe Craton, 1.4 Kaapvaal Craton;...Kibara Belt (KIB) in the Democratic Republic of the Congo (DRC) contains massive Sn-W and other mineral-bearing |  | Melcher, Frank, Graupner, Torsten, Gäbler, Hans-Eike, Sitnikova, Maria, Henjes-Kunst, Friedhelm, Oberthür, Thomas, Gerdes, Axel, Dewaele, Stijn (2015) Tantalum–(niobium–tin) mineralisation in African pegmatites and rare metal granites: Constraints from Ta–Nb oxide mineralogy, geochemistry and U–Pb 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) | | 3 granite types i.e. biotite, topaz and tourmaline granites suggest that biotite granites is actually...prospective due to higher degree of kaolinisation of the biotite granite which favour pre-concentration of its accessory...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 |  | 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...bedding-perpendicular veins. Some of these quartz veins have a biotite-garnet rim (e.g. figure 4e). Folded bedding-parallel...the Ntunga mine in Rwanda (Hulsbosch et al., 2017; Varlamoff, 1969). The pegmatites of the mine sites of...regional zoning from parental G4 leucogranites, biotite over 2-mica to muscovite and eventually Sn-Ta-Nb...bedding-parallel, metamorphic quartz vein with biotite-garnet rim, indicated in red. 3 Methodology 3 |  | | Journal (article/letter/editorial) | | Ruggedized SEM platform allows the application even in a mine-site environment. Mineralogic Mining features four...allanite (Aln) and apatite (Ap); matrix minerals are biotite (Bt), K-feldspar micaschist, modified from [54]...pixels are coloured (see text). Ap—apatite; Bt—biotite; Chl—chlorite; Pl—plagioclase; Qtz—quartz. (d)...corresponding areZone coloured (see text). Ap—apatite; Bt—biotite; spectral mapthe of a glaucophane eclogite from...that the BSE grey levels of pyroxene, amphibole, biotite, chlorite, epidote and garnet in the metabasites |  | Fosso Tchunte, Periclex Martial, Tchameni, Rigobert, André-Mayer, Anne-Sylvie, Dakoure, Hilaire Somtebda, Turlin, François, Poujol, Marc, Nomo, Emmanuel Negue, Saha Fouotsa, Alliance Nicaise, Rouer, Olivier (2018) Evidence for Nb-Ta Occurrences in the Syn-Tectonic Pan-African Mayo Salah Leucogranite (Northern Cameroon): Constraints from Nb-Ta Oxide Mineralogy, Geochemistry and U-Pb LA-ICP-MS Geochronology on Columbite and Monazite. Minerals, 8 (5) 188 doi:10.3390/min8050188 | Journal (article/letter/editorial) | | (Modified from [45,58–60]. 1.1 Man Shield. 1.2 Congo rare-element pegmatite and rare-metal granite provinces...Birimian Province. 2.2 Kibalian in North-Eastern 1.2 Congo Craton. 1.3 Zimbabwe Craton. 1.4 Kaapvaal Craton...Kibalian of North-Eastern Democratic Republic of Congo (DRC). of 3.1Congo Kibara(DRC). Belt. 3.2 Schist...coarse-grained made of quartz, muscovite, plagioclase ± biotite ± orthose (Figure 4b,c). The rock may locally display...coarse-grained made of quartz, muscovite, plagioclase ± biotite ± orthose (Figure 4b,c). The rock may locally display |  | | Book | | The contribution of essentially two chapters from Dr. C. Cuff has considerably enhanced the text as has...associated with a scattered series of small bodies of biotite granite which are the latest intrusions of the...all deposits are related to roof zones of the biotite muscovite intrusives. The main types include: (1)...Finlayson Granite, (a medium-fine grained porphyritic biotite muscovite adamellite with fine grained tourmaline... K.R. , 1971. Economic geology of the Cleveland Mine, Tasmania. Economic Geology, 66 : 861-878. 41 |  | | Report (issue) | | Madagascar. Photo by Bild & Text Mager Dedicated to Dr. Eugene Edward Foord (1946 - 1998) For his sincere...elbaite crystals with lepidolite from the Golconda Mine in Minas Gerais, Brazil by Eberhard Equit, 1993...circa 1910 view of the old mine portal on the north side of the Himalaya Mine in San Diego County, CA....An 11 cm tall elbaite group from the Pederneira Mine in Minas Gerais, Brazil. The bottom of the group...Graeber Right: this dravite from the Mikhaylovskoye Mine in the Transbaikal Region of Russia is 4.5 cm tall |  | | Journal (article/letter/editorial) | | (continued) Mineral Chemical composition Line Biotite Birnessite Bischofite Bismite Bismuth native Bismuthinite...hanging wall. During a subsequent mining period, the mine was re-opened to recover sideritic parts of the...no hypersthene. Lamprophyre mainly composed of biotite or phlogopite and melilite. May also contain olivine...mafic minerals such as pyroxene, hornblende or biotite. Matrix consists of the same minerals as the phenocrysts...typical rock-forming mineral besides microcline, biotite, calcite, zircon, aegirite, pyrochlore and apatite | | | Journal (article/letter/editorial) | | (continued) Mineral Chemical composition Line Biotite Birnessite Bischofite Bismite Bismuth native Bismuthinite...hanging wall. During a subsequent mining period, the mine was re-opened to recover sideritic parts of the...no hypersthene. Lamprophyre mainly composed of biotite or phlogopite and melilite. May also contain olivine...mafic minerals such as pyroxene, hornblende or biotite. Matrix consists of the same minerals as the phenocrysts...typical rock-forming mineral besides microcline, biotite, calcite, zircon, aegirite, pyrochlore and apatite |  | | Book | | 50, p. 164-168 Heim, Α., 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. ünivers. 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 |  | | 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 |  | | Journal (issue) | | dykes intruded in cordierite-silimanite-garnet-biotite-schists and gneisses of the Neoproterozoic Seridó...using the *.xls worksheets for “tourmaline”, “biotite” and “muscovite” mineral groups developed by Tindle...Evolution of the miscibility gap between muscovite and biotite solid solutions with increasing lithium content:...‘Zinnwaldite’ forms as a result of alteration of biotite in the host granite. Cassiterite (< 110 µm), columbite-Mn...pegmatites contain abundant tourmalines, rare micas (biotite, polylithionite; Novák et al., 1999; Zahradníček |  | | 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 |  | | Book | | for use in 3D modelling during exploration work or mine planning. While they fully characterize compositional...quantitative manner with respect to their significance for mine planning and mineral processing [25]. The main focus...[(CaREE)(Al2 Fe2+ )(Si2 O7 )(SiO4 )O(OH)] connected to Biotite-magnetite veins of the Loch Loyal syenite and conjugated...Purevgerel, S. Geometallurgy—A route to more resilient mine operations. Minerals 2018, 12, 560. [CrossRef] Compan... A. Geometallurgical model of a copper sulphide mine for long-term planning. J. South. Afr. Inst. Min |
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