 | | 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...Niobo-tantalates of the rare earths:pegmatites, aluvia,granite (fergusonite) Perovskite: alkaline rocks,carbonatites...patches . carbon•tized breccia fenitized brecciaand granite porphyry kimberlite dike Mbeya 1. rauhaugiticplug...Mrima, Kenya. Bastn•/sitewas found at Kwaraa, Tanganyika,and at Karonge,Ruanda-Urundi. The great Mountain |  | | Journal (article/letter/editorial) | | deposit, metallogeny of rare metals, pegmatite, granite magmatism, alkaline magmatism, tantaloniobates...(Trumbull, 1993) and in the Kaapval Barberton granite-greenstone belt (Harris et al, 1995). Their age...Their largest number, four, was recorded in the granite-greenstoneschist belts of the Yilgarn craton: Bald...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 |  | | Journal (article/letter/editorial) | | are currently related to the industrial types: granite pegmatites, lithium–fluorine (Li–F) rare-metal...greatest number of Neoarchean LSLD were revealed in granite–green- 34 TKACHEV et al. Li2O, million tons...Grenvillides of the southern part of Central Africa: Manono-Kitotolo in the Kibaran belt and Kamativi in the Dete-Kamativi...of the small sampling, which involves the Manono-Kitotolo Li deposit appearing to be the second deposit...conditions and the morphological features of Li–F granite intrusions as well as the combination of the structure–texture |  | | Journal (article/letter/editorial) | | Kibara Belt (mainly Rwanda and the DR Congo), around the Kenticha mine (Ethiopia) and in the Alto Ligonha...than half of the world's primary Ta. Rare-metal granite and REP districts in Africa are part of Archaean...predominate in the Man Shield (Sierra Leone), the Congo Craton (DR Congo), the Kamativi Belt (Zimbabwe) and the...tectonic affiliation and rare-element signature of the granite-pegmatite systems”. Peraluminous granites and associated...importance, Rwanda, the Democratic Republic of the Congo (DRC), Mozambique, Ethiopia, Nigeria and Burundi |  | | 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) | | and igneous complexes and correspond to operating mine sites. This study reveals that structural interpretation...Burundi in the south and the Democratic Republic of Congo (DRC) in the west. The study area covers approximately...Kibaran belt hosts numerous viable deposits rich in granite intrusion-related minerals like tin, beryllium...origin. The granite responsible for mineralization is the so-called Kibaran tin granite and is dated...exploration. The good correlation between active mine sites, interpreted structures and suggested target |  | | Journal (article/letter/editorial) | | Li–Sn–Ta deposits, both located in Africa: Manono–Kitotolo (Kibaran belt) and Kamativi (Dete-Kamativi...formed at the beginning of the cycle: Mabouni (Congo Craton), Beloziminskoe and Sredneziminskoe (East...interest is the weathering crust of the alkaline granite cupola. LSLD of the granitic type are the most |  | 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 |  | | Journal (article/letter/editorial) | | pegmatite-hosted deposits such as Tanco, Greenbushes, and granite-hosted deposits such as Cínovec/Zinnwald, Dajishan...The most important sources of Ta are rare-metal granite- and pegmatite-hosted deposits (Linnen et al. 2014b)...Li silicates, pollucite, beryl; Rare-metal granite: Granite ± HFSE minerals such as CGMs, wodginite and... that tourmaline concentrated at the roofs of granite intrusions may be the result of “self-metasomatism”...derived internally from a different part of the granite or American Mineralogist, vol. 105, 2020 Downloaded |  | | Journal (article/letter/editorial) | | et sur la min6ralisa*) Ansehrift des Verfassers: Dr. N. Sfidafrika (RSA). THAMM, 100 Sixth St. Linden...diagonal directions of jointing prevail in the older granite. The N o r t h ~ S o u t h direction is also represented...southern Congo (Katanga). Deposits are known in Tanzania, Kenya and Uganda and in the northern Congo. Abyssinia...extends from Nigeria and the Cameroons to the eastern Congo and includes the deposits of Burundi, Rwanda and...south-eastern Congo a separate, north-east trending tin area is found stretching from Lake Tanganyika to southern |  | | 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 |  | | 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 |  | 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...a regional NNW-SSE shear zone, 4 km west of a granite deposit [44]. Hulsbosch [45] considered that mineralization...deformation of 1000 Ma; (4) syn- to post-folding G4 granite intrusion; and (5) the intrusion of mineralized...[51]. As mentioned before, the ore-forming G4 granite was emplaced around 986 Ma, indicating that the |  | | Journal (article/letter/editorial) | | Nb-Ta mineralization from the rare metal Penouta granite P. ALFONSO1*, S. A. HAMID1, M. GARCIA-VALLES2...presence of a fluid phase in the apical zone of the granite, probably related to the separation of a fluid/vapour...particularly from Burundi, Democratic Republic of Congo (DRC) and Rwanda (Roskill, 2016), where its exploitation...and about 12% of supply coming from the Yichun granite in China. The tantalum market has important ethical...economical and scientific point of view. The rare metal granite of Penouta is a Sn, Ta-rich leucogranite that belongs |  | | Journal (article/letter/editorial) | | the Kalima area (Maniema, Democratic Republic of Congo)— S. Dewaele, Ph. Muchez, R. Burgess, and A. Boyce...Petrogenesis and mineralization potential of a granite porphyry intrusion beneath the Baishan Mo deposit...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 |  | 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...U-Pb method are presented for 13 rare-element granite NU and pegmatite districts in Africa, covering...Shield (Sierra Leone), the Congo Craton TE (Democratic Republic of the Congo), the Kamativi Belt (Zimbabwe)...tapiolite and wodginite-ixiolite from rare-metal IP granite and rare-element pegmatite provinces indicate that |  | 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...post-granitic fluid processes govern the chemistry of granite (associated pegmatites) and country rocks [14,18]...microanalyses [16,32,37–43]. Sn precipitation processes in granite-related Sn-W deposits have been modeled [15], which |  | 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) | | around a large granitic pluton (the Dahongliutan Granite with an age of ca. 220 to 217 Ma), mainly including...attention, though cassiterite from Sn-rich granitoids, granite-related greisens and quartz veins has been extensively...Triassic Bayan Har Group, and Mesozoic Dahongliutan Granite and granitic pegmatites. The Kangxiwa Group is...lesser carbonate rocks [34,35]. The Dahongliutan Granite which is located south of the Marzha–Kangxiwa suture...composite granite showing lithology varying from biotite monzogranite to two-mica granite with variable |  | | Conference Proceedings (Volume) | | Cover photograph: View of the Aitik open pit copper mine in the very north of Sweden. Mining operations started...Yilgarn Craton, Western Australia: midcrustal granite-related replacement deposits ................... Garuti, A. Rojas-Purón, F. Longo & A. Chang Granite-related indium mineralisation in SW England ....and Li mineralization of Manono-Kitotolo (Katanga, Democratic Republic of Congo): current state of knowledge...5 million tons). They occur in andesite-dacite-granite complexes. Ores (mainly stringer-disseminated) |  | 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) | | geochemical modelling Abstract The fluid sources of granite-related Sn-quartz vein deposits are commonly obscured...Hulsbosch et al. (2016) demonstrated, however, that granite-associated Sn and W mineralization were formed...Fig. 1 Schematic diagram illustrating primary granite-related W-Sn deposit styles in combination with...metamorphic fluids. The KAB 3 contains numerous granite-related ore deposits, in which the metals are present...to constrain the genetic relation between the granite-pegmatite system and the Sn-mineralized quartz |  | | Journal (article/letter/editorial) | | industrial minerals. The St Austell rare-metal granite is well known for its world-class kaolin deposits...of the underlying granite. The St Austell granite body is composed of several granite components, each... some metal-bearing accessory minerals of the granite, such as monazite (LREE) or cassiterite (Sn), are...similar rare-metal granites suggest that topaz granite is the most prospective for disseminated magmatic... However, comparison of the potentiality of 3 granite types i.e. biotite, topaz and tourmaline granites |  | 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) | | Poli series, and displays features of Rare-metal Granite (RMG). It is made of two main rock groups: (1)...(1) the metaluminous barren muscovite granite (MsG) and (2) the Nb-Ta bearing peraluminous leucogranite...188 2 of 36 Keywords: Mayo Salah; rare-metal granite; peraluminous leucogranite; Pan-African Nb-Ta mineralization;...Beauvoir granite (French Massif Central [6–8]), Yichun granite of China [9,10], Czeck Podlesí granite [11...establish fractionation evolution of rare-element granite [4,22–29]. Geochemical studies of oxides and various |  | | 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 |  | | Book | | The contribution of essentially two chapters from Dr. C. Cuff has considerably enhanced the text as has...Middle Batholithic intrusions of acid and ultraacid granite and their satellites Subabyssal (batholithic group)...IN LATE DIFFERENTIATES OF *APLITE-FINE GRAINED GRANITE' \ v! \ \ \ North-west Tasmania (Blue Tier) Province...adamellite-granodiorite with minor amounts of granite. The granitoids are of the contact aureole type...a scattered series of small bodies of biotite granite which are the latest intrusions of the batholith |  | | Book | | considered to be a natural accumulation of useful mine ra l materials that can be profitably extracted...adjacent to or enclosing a mineral deposit, as granite, limestone, etc. In many deposits more or less...refractories. Many rocks, such as limestone, slate, and granite, are nonmetallic deposits, but these are somewhat...in crushed granite (stippled) and forming a vein in fault zone between gneiss and granite, Georgetown...whereas the other one te nds to flow. At the Dunkin mine of the Breckenridge district, Colorado, the Dunkin |
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