 | | 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..."Pandaite," the Sr-Ba pyrochloreoccursin biotitite in Tanganyika, Lueshite, the sodium-niobate, was found in biotitite...Glenoverfarm, SouthAfrica, (personalcommunication, Dr. Haughton). James(18) hasprovedthat replacement |  | | 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) | | + 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) | | zones of replacement-style muscovite-quartz after microcline (MQM) (Van Lichtervelde et al. 2007). An additional...at Tanco, ÄernĂ˝ 2005; or Manono-Kitotolo, Katanga, Democratic Republic of Congo, Dewaele et al. 2016) or...and Li mineralization of Manono-Kitotolo (Katanga, Democratic Republic of Congo). Ore Geology Reviews, |  | | 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) | | 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...It consists of quartz, albite, white mica and microcline, as essential constituents. XRD analyses indicate...from 2 to 40 wt.%, muscovite from 8 to 35 wt.%, microcline from 4 to 18 wt.%, and occasionally kaolinite...Feldspars are mainly albite. Most of K-feldspar is microcline with euhedral crystals, up to 2 mm in size, 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 KangxiwaâDahongliutan Pegmatite Field, Western Kunlun Orogen, China. Minerals, 9 (3) 166 doi:10.3390/min9030166 | Journal (article/letter/editorial) | | (i) barren barren garnet-, tourmaline-bearing microcline pegmatites (GrtTur pegmatites), (ii) Be-rich...Be-rich berylgarnet-, tourmaline-bearing microcline pegmatites (GrtTur pegmatites), (ii) Be-rich beryl-muscovite...503 pegmatites are mainly composed of albite, microcline, Minerals 2019, 9, 166 7 of 39 4.2. Petrographic...503 pegmatites are mainly composed of albite, microcline, quartz, spodumene (30â50 vol. %), amblygonite-montebrasite..., the strongly albitized WZ in Figure 3b,c). Microcline is minor and commonly coarse-grained and euhedral |  | 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...albitized quartz-microcline-cassiteritemuscovite veins is observed at depth in the Ntunga mine in Rwanda (Hulsbosch..., 2017; Varlamoff, 1969). The pegmatites of the mine sites of Musha and Ntunga belong dominantly to 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 |  | Fosso Tchunte, Periclex Martial, Tchameni, Rigobert, AndrĂŠ-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 [45,58â60]. 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...Minerals - Quartz Muscovite Plagioclase Orthose Microcline Zircon Titanite Fe-Oxide Biotite Epidote Myrmekyte...muscovite leucogranite) Quartz Muscovite Plagioclase Microcline Nb-Ta oxide Garnet Fluorite Mn-oxide Cassiterite |  | | 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) | | 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...each include remaining feldspars (orthoclase, microcline) and biotite (siderophyllite- 547 annite),...pegmatite complex, 760 (Australia) or the Manono-Kitotolo deposit (DRC) for which the situation is reversed |  | | Report (issue) | | 5371-2-7 Printed in Germany Above: Schor! and microcline from Pakistan's world famous Gilgit area. The...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 |  | | Book | | The contribution of essentially two chapters from Dr. C. Cuff has considerably enhanced the text as has... 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...Swanson, C O . and Gunning, H.C., 1948. Sullivan Mine. In: Structural Geology of Canadian Ore Deposits |  | | Journal (article/letter/editorial) | | composition Line Sanbornite Sanidine, orthoclase, microcline Santafeite Santanaite Saponite Sapphirine Sarabauite...hanging wall. During a subsequent mining period, the mine was re-opened to recover sideritic parts of the...cancrinite as the typical rock-forming mineral besides microcline, biotite, calcite, zircon, aegirite, pyrochlore...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 | | | Journal (article/letter/editorial) | | composition Line Sanbornite Sanidine, orthoclase, microcline Santafeite Santanaite Saponite Sapphirine Sarabauite...hanging wall. During a subsequent mining period, the mine was re-opened to recover sideritic parts of the...cancrinite as the typical rock-forming mineral besides microcline, biotite, calcite, zircon, aegirite, pyrochlore...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 |  | | 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 |  | | 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 |  | | Journal (issue) | | evolution indicated by the formation of specific microcline-albite porphyroblastic granites containing âsnowballâ...essentially identical mineralogy, consisting largely of microcline and patches or pods of albite-rich aplite. Brown...pale grey to reddish crystals are also found in microcline and may represent an earlier phase of zircon...pockets and syngenetic pegmatitic dikes composed of microcline, fayalite, chamosite, and quartz and numerous...Agardite-(Nd), NdCu6(AsO4)3(OH)6Î3H2O, from the Hilarion Mine, Lavrion, Greece: mineral description and chemical |  | | 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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