 | | Journal (article/letter/editorial) | | of mineralisation found at the major Rutongo deposit in Rwanda (Dewaele et al. 2010) but dissimilar to...of the cassiterite mineralisation in the Rutongo area, Rwanda (Central Africa): current state of knowledge...and Ntunga deposits of the Karagwe-Ankole Belt, Rwanda. J Afr Earth Sci. 134:24ā32. Tack L, Wingate MTD...origin of peribatholitic Sn vein-type deposits in Rwanda. Ore Geol Rev. 101:481ā501. Varlamoļ¬ N. 1969. Transitions...generation of targets and to assess prospectivity of an area. The concepts of lithological and structural mapping |  | 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) | | origin of peribatholitic Sn vein-type deposits in Rwanda J. Van Daele, N. Hulsbosch, S. Dewaele, M.-C. Boiron...origin of peribatholitic Sn vein-type deposits in Rwanda, Ore Geology Reviews (2018), doi: https://doi.org/10...origin of peribatholitic Sn vein-type deposits in Rwanda. Van Daele, J.a*, Hulsbosch, N.a, Dewaele, S.b...East Rwanda has been evaluated by the following four methods: quartz stable isotopes, muscovite geochemistry...concentrations in magmatic muscovite from pegmatites and hydrothermal muscovite from associated Sn-quartz |  | | Journal (article/letter/editorial) | | KaragweAnkole Belt (KAB) to the northeast (Burundi, Rwanda, and Uganda). The KIB is separated from the KVB...based on U-Pb age determination of zircon in an area located between the KVB and KAB sections, five main...Ā± 23 Ma [30]. Furthermore, extensive dating in Rwanda, based on Rb/Sr, was invalidated in [17] using...bodies in the Kivu area between 1948 and 1956. N. Varlamoff expanded his fieldwork to Rwanda and Burundi between...Gatumba mine in Central Rwanda [4,54,57]. Detailed studies in this district provide much useful information |  | Dewaele, S., De Clercq, F., Hulsbosch, N., Piessens, K., Boyce, A., Burgess, R., Muchez, Ph. (2016) Genesis of the vein-type tungsten mineralization at Nyakabingo (Rwanda) in the KaragweāAnkole belt, Central Africa. Mineralium Deposita, 51 (2) 283-307 doi:10.1007/s00126-015-0608-x | Journal (article/letter/editorial) | | vein-type tungsten mineralization at Nyakabingo (Rwanda) in the KaragweāAnkole belt, Central Africa S....deposit at Nyakabingo in the central Tungsten belt of Rwanda is located in the eastern flank of the complex...tourmalinization, and muscovitization. Dating of muscovite crystals at the border of the veins resulted in...and the typical association of the W deposits in Rwanda, but also worldwide, with granite intrusions, W...Fluid flow . KaragweāAnkole belt . Neoproterozoic . Rwanda . Tungsten mineralization Editorial handling: |  | | Journal (article/letter/editorial) | | Manuscript Vein-type Tungsten Deposits in Rwanda, Rutsiro area of the Karagwe-Ankole Belt, Central Africa...Piestrzynski, Vein-type Tungsten Deposits in Rwanda, Rutsiro area of the Karagwe-Ankole Belt, Central Africa...pertain. Vein-type Tungsten Deposits in Rwanda, Rutsiro area of the KaragweAnkole Belt, Central Africa...Mining Ltd., KG 624 ST, Bodifa House 5th floor, Kigali, Rwanda b AGH University of Science and Technology...microscopy, vein-type mineralisation 1. Introduction Rwanda, like other developing countries, is at risk environmentally |  | | Journal (article/letter/editorial) | | quartz veins: Evidence from the Karagwe-Ankole Belt (Rwanda) Niels Hulsbosch a,ā, Marie-Christine Boiron b...Nyakabingo deposit of the Karagwe-Ankole belt in Central Rwanda. The vein system (992 Ā± 2 Ma) is spatiotemporal...the GatumbaāGitarama area which culminated in NbāTaāSn mineralisation. Muscovite in the Nyakabingo veins...equivalent to muscovite of less-diļ¬erentiated pegmatite zones of the GatumbaāGitarama area. Pegmatitic...Pegmatitic muscovite records a decrease in W content with increasing diļ¬erentiation proxies (Rb and Cs), in contrast |  | Hulsbosch, Niels, Hertogen, Jan, Dewaele, Stijn, AndrĆ©, Luc, Muchez, Philippe (2014) Alkali metal and rare earth element evolution of rock-forming minerals from the Gatumba area pegmatites (Rwanda): Quantitative assessment of crystal-melt fractionation in the regional zonation of pegmatite groups. Geochimica et Cosmochimica Acta, 132. 349-374 doi:10.1016/j.gca.2014.02.006 | Journal (article/letter/editorial) | | rock-forming minerals from the Gatumba area pegmatites (Rwanda): Quantitative assessment of crystal-melt...Gatumba pegmatite ļ¬eld (Rwanda, Central Africa) is chosen as case study area because of its well-developed...pegmatites grade outwardly into biotite, two-mica and muscovite pegmatites. Rare-element (NbāTaāSn) pegmatites...K-feldspar (Rb 350ā6000 ppm, Cs 2ā160 ppm) and muscovite (Rb 670ā 7000 ppm, Cs 10ā150 ppm) deļ¬ne a single...crystallisation, two-mica pegmatites from 69% to 92%, and muscovite pegmatites from 92% crystallisation onwards. The |  | | Book | | MINERALS& GEMSTONES of East Africa Burundi, Kenya, Rwanda, Tanzania and Uganda Bruce Cairncross Published... No. 4, Oxbow Crescent, Century Avenue, Century City, 7441 PO Box 1144, Cape Town, 8000 South Africa...page: Spessartine garnet crystal embedded in muscovite schist matrix, 4.3 cm - Bruce Cairncross specimen...East African resources 12 Burundi 13 Kenya 14 Rwanda 16 Tanzania 17 Uganda 20 Gemological properties...is not commonly known that neighbouring Uganda, Rwanda and Burundi are also sources of some interesting |  | Loun, Jan, NovĆ”k, Milan, CempĆrek, Jan, Å koda, Radek, VaÅ”inovĆ” GaliovĆ”, Michaela, ProkeÅ”, LubomĆr, Dosbaba, Marek, ÄopjakovĆ”, Renata (2018) Geochemistry and secondary alterations of microlite from eluvial deposits in the Numbi mining area, South Kivu, Democratic Republic of the Congo. The Canadian Mineralogist, 56 (2) 203-220 doi:10.3749/canmin.1700091 | Journal (article/letter/editorial) | | MICROLITE FROM ELUVIAL DEPOSITS IN THE NUMBI MINING AREA, SOUTH KIVU, DEMOCRATIC REPUBLIC OF THE CONGO JAN...~1000ā900 Ma old Kibara belt unit, Numbi mining area, South Kivu province of the Democratic Republic...Yonsei University user MICROLITE FROM NUMBI MINING AREA, DRC 205 FIG. 1. Field photos of the studied localities...mineral deposits. GEOLOGICAL SETTING The studied area is situated within the Kibara Belt (Great Lakes...over a distance of ca. 1300 km from SW Uganda via Rwanda and Burundi into the Katanga region of the DRC |  | 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) | | assemblages of muscovite-quartz (Ā±topaz-fluorite-tourmaline) occur in the granites, and muscovite-sericite-quartz...provinces. The black rectangle refers to the study area. and rare-metal The metallogenic provinces in Africa...provinces. The black rectangle refers to the study area. The metallogenic provinces in Africa are as follows:...are equigranular and contain quartz, biotite-muscovite, albite, and accessory minerals such as hornblende...G5, depending on their location in the DRC and Rwanda, respectively) of 755ā950 Ma [48,82], which exhibit |  | Amuda, Abdulgafar Kayode, Li, Shuang, Yang, Xiaoyong, Cao, Jingya, Faisal, Mohamed (2022) Genetic Association between Granites and Mineralization at the Gindi Akwati CassiteriteāSulfide Deposit, North-Central Nigeria: Insights from Mineralogy, Fluid Inclusions, and Sulfur Isotopes. Minerals, 12 (6) 761 doi:10.3390/min12060761 | Journal (article/letter/editorial) | | Occurrence of Plutons and Mineralization The study area in the Gindi Akwati region is located within the...a zone of mineralization. The rock types in this area comprise relic gneiss, Older Granite, Younger extrusive...porphyry, and biotite granite (Figure 5) of the study area, are described herein with the modal compositions...volume of mica, including biotite, chlorite, and muscovite, is higher than the host granite, and some crystals...biotite, Cl = chlorite, Mc = microcline, Ms = muscovite, Or = orthoclase, Pl = plagioclase, Px = pyroxene |  | Fosso Tchunte, Periclex Martial, Tchameni, Rigobert, AndrĆ©-Mayer, Anne-Sylvie, Dakoure, Hilaire Somtebda, Turlin, FranƧois, 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) | | main rock groups: (1) the metaluminous barren muscovite granite (MsG) and (2) the Nb-Ta bearing peraluminous...veinlet crosscutting CGM-I or in cleavage planes of muscovite. The U-Pb dating of columbite and monazite of...and Pb contents, and by the presence of Li-rich muscovite or lepidolite, Rb, and Cs contents are also generally...8, 188 3 of 35 Figure 1. Location of the study area within the network of Pan-African belt, and the...African rare-element Figure 1. Location of the study area within the network of Pan-African belt, and the |  | Tack, L., Wingate, M.T.D., De Waele, B., Meert, J., Belousova, E., Griffin, B., Tahon, A., Fernandez-Alonso, M. (2010) The 1375Ma āKibaran eventā in Central Africa: Prominent emplacement of bimodal magmatism under extensional regime. Precambrian Research, 180 (1) 63-84 doi:10.1016/j.precamres.2010.02.022 | Journal (article/letter/editorial) | | the SW, through Katanga and Kivu-Maniema (DRC), Rwanda and Burundi, up to SW Uganda and NW Tanzania in...Ubende-Rusizian terranes, i.e. in the Kibara Mountains type area of Katanga (DRC). The other belt situated NE of...the DRC, which includes the Kibara Mountains type area (Fig. 1a). For the part to the NE of this extension...Synthetic Aperture Radar (SAR) mosaic image of the box area in (a) showing the prominent structural and physiographic...rocks and subordinate maļ¬c rocks (Fig. 3). In W Rwanda, preliminary data suggest that the WD is underlain |  | | Journal (issue) | | 520-527 Tanakamiyama, a classic Japanese pegmatite district 530-542 The Joaquin Folch Girona mineral collection... Barcelona, Spain 544-550 Shattuckite, Kunene District, Kaokoveld, Namibia 557-558 Collecting at Hallelujah...veszelyite 58-60 Sur quelques occurrences de muscovite en Bretagne ļ· AMERICAN MINERALOGIST 94(11-12)...of the cassiterite mineralisation in the Rutongo area, Rwanda ļ· ROCKS AND MINERALS 85(2), 04.10 110-111...(Ā°1950) 154-159 Annabergite, km 3 mine, Laurium district, Greece 160-163 Rochester mineralogical symposium |  | Melcher, Frank, Graupner, Torsten, GƤbler, Hans-Eike, Sitnikova, Maria, Henjes-Kunst, Friedhelm, OberthĆ¼r, Thomas, Gerdes, Axel, Dewaele, Stijn (2015) Tantalumā(niobiumātin) mineralisation in African pegmatites and rare metal granites: Constraints from TaāNb oxide mineralogy, geochemistry and UāPb geochronology. Ore Geology Reviews, 64. 667-719 doi:10.1016/j.oregeorev.2013.09.003 | Journal (article/letter/editorial) | | countries (Democratic Republic CE P of the Congo, Rwanda, Burundi, and Uganda) have an almost 100-year-long...discrete TaNb-Sn minerals: (1) abyssal, (2) muscovite, (3) muscovite-rare-element, (4) rare-element and (5)...revealed that āilmenorutileā from the Tonkolili district is in fact an intergrowth of columbite and rutile...columbite (sample 101; Table 2) collected from the area of Mambasa (north-eastern DRC) corresponds to the...slightly younger than late Eburnean two-mica TE or muscovite granites (2088 Ma) and also postdate sedimentation |  | | Conference Proceedings (Volume) | | Mpuluzi and Heerenveen granites/pegmatites (Barberton area, South Africa): a possible source for the Dominion...Uranium mineralization in the RetortilloāSantidad Area (Salamanca, Spain): role of late alteration .....through polycyclic orogeny: the example of the Litsa district, Russia Anne-Sylvie AndrĆ©-Mayer, Michel Cuney...mantle-crustal ore-forming systems of the Pechenga ore district (Fennoscandian shield) ........................magmatic Sc-Zr occurrence located in the Kiviniemi area, Rautalampi, Central Finland .................. |
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