 | | 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...Types of Deposits: 1. Plutonic a. acid rocks: albite, riebeckite,and potashgranites b. intermediaterocks:...TANTALUM 383 3. fenitized meta-sediments:albitite, albite-garnetschists,sheridaniteschists, with a small...phonolite,ijolite, trachyte, aln6ite, dolerite, albite-calcite pegmatite 10. late silicification,quartz-fluorite |  | | Journal (article/letter/editorial) | | pegmatitic-type deposits. Their oldest occurrences are albite and albite-spodumene rare-metal pegmatites with tantalite-columbite...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...primary Sn–Nb–Ta–Zr– F–REE lodes in riebeckite-albite alkaline granites (Bastos Neto et al., 2009). Columbite...object, Mt Weld (Yilgarn craton). Here, the operating mine produces only rareearth ores beyond the zones, containing |  | | 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) | | wire for Nb (99.96%, Alfa Aesar, U.S.A.); Amelia albite for Na; synthetic fluorite for F; basaltic glass...at Tanco, Černý 2005; or Manono-Kitotolo, Katanga, Democratic Republic of Congo, Dewaele et al. 2016) or...or secondary saccharoidal albite at the Brazil Lake pegmatite, Nova Scotia, Canada (Kontak 2006). Other...Weisbrod, A. (1992) The Beauvoir topaz-lepidolite albite granite (Massif Central, France): The disseminated...and Li mineralization of Manono-Kitotolo (Katanga, Democratic Republic of Congo). Ore Geology Reviews, |  | | 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) | | inequigranular rock mainly comprised of quartz, albite, K-feldspar, and muscovite. Accessory minerals...particularly from Burundi, Democratic Republic of Congo (DRC) and Rwanda (Roskill, 2016), where its exploitation...deposit is a greisenised cupola with four units: albite leucogranite, aplitepegmatite dykes, greisen and...al., 2015). The Penouta albite granite is similar in composition to other albite granites in the Iberian...namely, in the Central Iberian Zone. Most of these albite leucogranites were affected by an intense albitization |  | 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) | | Nb-Ta Oxides and Cassiterite in Phosphorus-Rich Albite-Spodumene Pegmatites in the Kangxiwa–Dahongliutan...Be-rich beryl-muscovite pegmatites, and Li-, P-rich albite-spodumene pegmatites. The textures, major element...columbite-group minerals (CGM) and cassiterite from three albite-spodumene pegmatites in the region were investigated...meanings regarding the pegmatite evolution. Keywords: albite-spodumene pegmatites; columbite-group minerals;...incorporation of trace elements). The Dahongliutan albite-spodumene (AbSpd) pegmatites belong to the Kangxiwa–Dahongliutan |  | 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 |  | 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...alkali metasomatism (the widespread existence of albite and white mica) [46]. The arsenopyrite, pyrite...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, |  | | 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...sediments (with alteration comprising chlorite, albite, biotite). The age of the alteration is Carboniferous...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 28:99–109 Nakano T (1998) Pyroxene |  | | Journal (article/letter/editorial) | | 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...of lithium mica (zinnwaldite) and plagioclase (albite 177 component). The accessory minerals are present...fine-grained facies is an equigranular rock with euhedral albite and zinnwaldite. Accessory 186 minerals include |  | | Journal (article/letter/editorial) | | example,For a sample spectrum is assigned to “Albite” a reference reference EDS example,EDS a sample...when it EDS spectrum which has been labelled as “Albite” from the reference EDS spectra list. This list...Ruggedized SEM platform allows the application even in a mine-site environment. Mineralogic Mining features four...exemplified in Figure 2 by the feldspar mineral albite. However, this cannot be fully correct, as minerals...(CaSO4 ) cannot be differentiated. In addition, albite cannot be distinguished from zeolites that contain |  | 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...Kfs: K-feldspar, Mnz: monazite, Ox: oxide, Ab: albite. MsG, MsLC, MsLCm, MsLF, and Pegmatite, respectively...Kfs: K-feldspar, Mnz: monazite, Ox: oxide, Ab: albite. The muscovite leucogranite (MsL) is the main facies |  | 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...ANR-10-LABX-21–LABEX 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...thank editor-in-chief prof. dr. Franco Pirajno and associate editor prof. dr. Kim Hein for the editorial |  | | 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...QUARTZ♦ ^ SERICITE CHLORITE ZONING COMMON PbZn ALBITE RICH VEINS AND PODS IN ALBITISED GRANITE 1 QUARTZ... K.R. , 1971. Economic geology of the Cleveland Mine, Tasmania. Economic Geology, 66 : 861-878. 41...Greisenization and mineralisation at Anchor tin mine, north-east Tasmania. Transactions Institution of...Ransom, D.M. and Hunt, F.L., 1975. Cleveland tin mine. In: C.L. Knight (Editor), Economic Geology of Australia |  | | Journal (article/letter/editorial) | | Actinolite Aegerine Aeschynite Akaganeite Alabandite Albite (Na end member plagioclase) Alexandrite Allanite-(Ce)...hanging wall. During a subsequent mining period, the mine was re-opened to recover sideritic parts of the...Porphyritic igneous rock containing albite phenocrysts in a groundmass of albite with muscovite, garnet, apatite...you look for a mine look near a mine”. This includes the imperative “if you look for a mine look for smelting...also for the chrome diopside found at Outukumpu mine, a mineral that is first and foremost recognized | | | Journal (article/letter/editorial) | | Actinolite Aegerine Aeschynite Akaganeite Alabandite Albite (Na end member plagioclase) Alexandrite Allanite-(Ce)...hanging wall. During a subsequent mining period, the mine was re-opened to recover sideritic parts of the...Porphyritic igneous rock containing albite phenocrysts in a groundmass of albite with muscovite, garnet, apatite...you look for a mine look near a mine”. This includes the imperative “if you look for a mine look for smelting...also for the chrome diopside found at Outukumpu mine, a mineral that is first and foremost recognized |  | | 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 |  | | Journal (issue) | | indicated by the formation of specific microcline-albite porphyroblastic granites containing “snowball”...contemporaneous to spodumene, as well as saccharoidal albite and associated fine-grained muscovite, that replace...from pegmatites is challenging. The saccharoidal albite and associated fine-grained muscovite are satisfactorily...the intermediate zones are largely monomineralic albite, but locally contain numerous phenocrysts of aegirine...pyrochlore often poikilitically enclose small grains of albite, suggesting rapid, simultaneous crystallization |  | | 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 | | 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 |
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