 | 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 Karagwe–Ankole belt, Central Africa. Mineralium Deposita, 51 (2) 283-307 doi:10.1007/s00126-015-0608-x | Journal (article/letter/editorial) | | the vein-type tungsten mineralization at Nyakabingo (Rwanda) in the Karagwe–Ankole belt, Central Africa...vein-type tungsten deposit at Nyakabingo in the central Tungsten belt of Rwanda is located in the eastern...types of W-mineralized quartz veins have been observed: beddingparallel and quartz veins that are at high...minerals occur late in the evolution of the massive quartz veins, sometimes even in fractures that crosscut...trapping temperatures between 247 and 344 °C. The quartz veins have been crosscut by sulfide-rich veins |  | Goldmann, Simon, Melcher, Frank, Gäbler, Hans-Eike, Dewaele, Stijn, Clercq, Friso, Muchez, Philippe (2013) Mineralogy and Trace Element Chemistry of Ferberite/Reinite from Tungsten Deposits in Central Rwanda. Minerals, 3 (2) 121-144 doi:10.3390/min3020121 | Journal (article/letter/editorial) | | Ferberite/Reinite from Tungsten Deposits in Central Rwanda Simon Goldmann 1,*, Frank Melcher 1, Hans-Eike...hydrothermal quartz veins from the Nyakabingo, Gifurwe and Bugarama deposits in central Rwanda occurs as...The formation of the tungsten deposits in central Rwanda is interpreted to be epigenetic in origin, and...chemistry; rare earth elements; Nyakabingo; Gifurwe; Bugarama; Rwanda 1. Introduction Tungsten is a metal...Congo (DRC), Rwanda, Uganda and Burundi) and is generally found in hydrothermal quartz vein deposits |  | | Journal (article/letter/editorial) | | and present metal prices, gold in hydrothermal quartz veins is the major commodity, followed by tin either...or in sheeted, hydrothermal quartz veins. Many deposits in the province occur in siliciclastic metasedimentary...platinum) province; and the early Neoproterozoic (1 Ga) Kibara rare metal and gold province that is the...application of modern concepts and technologies, this province is drastically underexplored. Keywords: Gold,...Department of Geology and Mines, Rwanda Natural Resources Authority, Kigali, Rwanda 3 Technical University of |  | | Journal (article/letter/editorial) | | Kibaran (late Mid-Proterozoic) tin, tungsten and gold quartz vein deposits in Central Africa: a fluid inclusions...fluids depositing tin and tungsten ores in Kibaran quartz vein deposits allow the modelling of devolatizing...granites as their source at depth. Fluids forming gold quartz veins and breccias are different from the first...belt is mainly known as a tin and tungsten ore province; more recently, exploration and mining have concentrated...Final compressive movements affected mineralized quartz veins by folding and thrusting. Kibaran tin granites |  | 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...leucogranite mineralization, pegmatites, cassiterite, quartz veins, fluid mixing, geochemical modelling Abstract...Abstract The fluid sources of granite-related Sn-quartz vein deposits are commonly obscured by fluid mixing |  | | Journal (article/letter/editorial) | | of peribatholitic W quartz veins: Evidence from the Karagwe-Ankole Belt (Rwanda) Niels Hulsbosch a,⇑...Ta and Sn) mineralisation in metasedimenthosted quartz veins is often obscured by intense fluid–rock interactions...tungsten-bearing quartz veins of the Nyakabingo deposit of the Karagwe-Ankole belt in Central Rwanda. The vein...in Nb–Ta–Sn mineralisation. Muscovite in the Nyakabingo veins is significantly enriched in granitophile...controversial for peribatholitic tungsten-bearing quartz veins in metasediments, because magmatic source |  | | Journal (article/letter/editorial) | | of the latter produced numerous pegmatitic and quartz vein deposits with Sn, W, Nb/Ta, Li, Be and Au...Au. Other auriferous and locally Pt-bearing quartz veins and breccias are not spatially related to tin...southwest, through Zaire, Burundi, Tanzania and Rwanda to southwestern Uganda in the NNE. Its overall...Economic mineralization is known mainly from its northern sectors, within three geographically separated...Rift and a northeastern province covering Burundi, Rwanda, the West Lake district of Tanzania and southwest |  | | Journal (article/letter/editorial) | | with cupolas at tectonic highs. Pegmatites and quartz veins with Sn. W, NbiTa, Be and Li are derived...relation to N-S trending folds and thrusts. Gold-rich quartz veins occurring in districts marginal to the Sn-W...southwest, through Zaire, Burundi, Tanzania, and Rwanda to southwest Uganda in the north northeast. Its...Economic mineralization is known mainly from its northern sectors, within three geographically separated...Rift and a northeastern province covering Burundi, Rwanda, the west lake district of Tanzania, and southwest |  | 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) | | Sn, and Nb-Ta Based on Integrated Information in Rwanda, Central Africa Zhuo Chen 1,2 , Jianping Chen 2...Sn, and Nb-Ta Based on Integrated Information in Rwanda, Central Africa. Minerals 2023, 13, 189. https://doi...(Mn) and monazite (Mnz) have been discovered in Rwanda. The objective of this study was to present a regional...mapping (MPM) of W, Sn and Nb-Ta mineralization in Rwanda using the random forest (RF) method on the basis...the metallogenic regularity of W, Sn and Nb-Ta in Rwanda was summarized with the help of articles online |  | | Journal (article/letter/editorial) | | Accepted Manuscript Vein-type Tungsten Deposits in Rwanda, Rutsiro area of the Karagwe-Ankole Belt, Central...A. Piestrzynski, Vein-type Tungsten Deposits in Rwanda, Rutsiro area of the Karagwe-Ankole Belt, Central...journal pertain. Vein-type Tungsten Deposits in Rwanda, Rutsiro area of the KaragweAnkole Belt, Central...Ltd., KG 624 ST, Bodifa House 5th floor, Kigali, Rwanda b AGH University of Science and Technology, 30-059...that the mineralised veins are mostly composed of quartz and ferberite. The ore microscopy studies of the |  | | Book | | MINERALS& GEMSTONES of East Africa Burundi, Kenya, Rwanda, Tanzania and Uganda Bruce Cairncross Published...rutile crystals partially included in transparent quartz crystals, 3 cm - Philip Hitge specimen, Bruce Cairncross...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...the gem-quality tourmaline that can be found in Rwanda). Literature on the subject is limited; the previous |  | Legros, Hélène, Richard, Antonin, Tarantola, Alexandre, Kouzmanov, Kalin, Mercadier, Julien, Vennemann, Torsten, Marignac, Christian, Cuney, Michel, Wang, Ru-Cheng, Charles, Nicolas, Bailly, Laurent, Lespinasse, Marc-Yves (2019) Multiple fluids involved in granite-related W-Sn deposits from the world-class Jiangxi province (China) Chemical Geology, 508. 92-115 doi:10.1016/j.chemgeo.2018.11.021 | Journal (article/letter/editorial) | | granite-related W-Sn deposits from the world-class Jiangxi province (China) Hélène Legros, Antonin Richard, Alexandre...granite-related W-Sn deposits from the world-class Jiangxi province (China). Chemge (2018), https://doi.org/10.1016/j...granite-related W-Sn deposits from the world-class Jiangxi province (China) Hélène Legros a,b, *, Antonin Richard...each deposit, pre- (quartz), syn- (wolframite and cassiterite) and post-ore (quartz, NU topaz and fluorite)...proportion (~5%) of inclusions observed in the ore-stage quartz from Maoping have D aquo-carbonic compositions |  | | Journal (article/letter/editorial) | | belts, which extend over 700 km from the Katanga Province (Southeastern Congo) to Uganda, were formed by...KaragweAnkole Belt (KAB) to the northeast (Burundi, Rwanda, and Uganda). The KIB is separated from the KVB...± 23 Ma [30]. Furthermore, extensive dating in Rwanda, based on Rb/Sr, was invalidated in [17] using...and 1956. N. Varlamoff expanded his fieldwork to Rwanda and Burundi between 1960 and 1969 in order to study...occurrence is the Gatumba mine in Central Rwanda [4,54,57]. Detailed studies in this district provide much useful |  | | Journal (article/letter/editorial) | | ancient siliciclastic material because, unlike MA quartz and feldspar, most heavy minerals are restricted...logged the entire sedimentary sequence on the northern side of the Rwenzoris within the southern Albertine...to the northern sector of the Western Rift AC branch stretching from the Kivu volcanic province in the...the eastern shore of Lake Albert and along the northern side of Lake Kyoga, low-grade Neoproterozoic slate...splitting of Palaeolake Obweruka into a southern and a northern basin as a consequence of beginning exhumation |  | | Journal (article/letter/editorial) | | (Praha) 23, 2, 201-207. ISSN 1211-0329. Abstract Quartz-muscovite greisen veins up to several meters thick...migmatites at Pekelný vrch near Jihlava, Czech Republic. Quartz-muscovite greisen contains primary scheelite and...Small muscovite veinlets occur in the granite, quartz-fluorite veinlets occur in the migmatites. Both...veinlets are close to the quartz-muscovite greisen. Primary scheelite in quartz-muscovite greisen veins...wolframitem - reinitem. Nejvíce výskytů je ve Rwandě - Nyakabingo, Gifurwe, Bugarama a Ritsiro (Goldmann et al |  | Ni, Pei, Li, Wen-Sheng, Pan, Jun-Yi, Cui, Jian-Ming, Zhang, Kai-Han, Gao, Yan (2022) Fluid Processes of Wolframite-Quartz Vein Systems: Progresses and Challenges. Minerals, 12 (2) 237 doi:10.3390/min12020237 | Journal (article/letter/editorial) | | minerals Review Fluid Processes of Wolframite-Quartz Vein Systems: Progresses and Challenges Pei Ni...Zhang, K.-H.; Gao, Y. Fluid Processes of Wolframite-Quartz Vein Systems: Progresses and Challenges. Minerals...doi.org/10.3390/min12020237 Abstract: Wolframite-quartz vein-type tungsten deposits constitute the world’s...past few decades, extensive studies on wolframite-quartz vein-type tungsten deposits have been conducted...distribution and fluid characteristics of these wolframite-quartz vein-type tungsten deposits is still lacking. In |  | | Journal (article/letter/editorial) | | to develop reliable exploration guides for W. In quartz veins from the Variscan belt of Europe and elsewhere...mineralized district, located near the world-class Panasqueira W mine in Portugal, exposes a quartz-wolframite...ratios lower than at Panasqueira and other Variscan quartz-vein deposits which dominantly host ferberites...fluid-rock interactions, either involving country rocks (quartz-veins) or granite (greisens) control W deposition...2018a; Neiva, 2008). W mineral deposits include quartz veins, stockworks, greisens, skarns and breccia |  | | Report (issue) | | category ........ Estimated cumulative and annual mine production of tungsten contained in ore and concentrate—...For each country having a tungsten deposit or district listed in the ISMI tungsten inventory...........also recovered from placer deposits. Most current mine production of tungsten is from vein/ stockwork,...accounted for over three-fourths of the world’s mine production of tungsten. China alone produced about...resulted in numerous mine closures (estimated at 85 percent of Western world mine capacity). In some cases |  | Peng, Ning-Jun, Jiang, Shao-Yong, Xiong, Suo-Fei, Pi, Dao-Hui (2018) Fluid evolution and ore genesis of the Dalingshang deposit, Dahutang W-Cu ore field, northern Jiangxi Province, South China. Mineralium Deposita, 53 (8) 1079-1094 doi:10.1007/s00126-018-0796-2 | Journal (article/letter/editorial) | | Dalingshang deposit, Dahutang W-Cu ore field, northern Jiangxi Province, South China Ning-Jun Peng 1 & Shao-Yong...North section of the Dahutang ore field, northern Jiangxi Province, South China. Vein- and breccia-style...generally 70 °C higher than those in coexisting quartz (~ 270 °C). Laser Raman analysis identifies CH4...inclusions in scheelite and coexisting quartz, while fluid inclusions in quartz of the sulfide stage have variable...Range of central South China in southern Jiangxi Province and adjacent areas. However, in recent years, |  | Wang, Yong, Tang, Juxing, Wang, Liqiang, Marten Huizenga, Jan, Santosh, M., Zheng, Silun, Hu, Yu, Gao, Teng (2020) Geology, geochronology and geochemistry of the Miocene Jiaoxi quartz vein-type W deposit in the western part of the Lhasa Terrane, Tibet: Implications for ore genesis. Ore Geology Reviews, 120. 103433 doi:10.1016/j.oregeorev.2020.103433 | Journal (article/letter/editorial) | | geochronology and geochemistry of the Miocene Jiaoxi quartz veintype W deposit in the western part of the Lhasa...geochronology and geochemistry of the Miocene Jiaoxi quartz vein-type W deposit in the western part of the...geochronology and geochemistry of the Miocene Jiaoxi quartz vein-type 2 W deposit in the western part of...Abstract: The Jiaoxi deposit is the first Miocene quartz vein-type W deposit discovered in 19 the western...occurs in wolframite-bearing hydrothermal tensional quartz veins and is 21 associated with Miocene granites |  | 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) | | Processes of the Sn-W Granites in the Maniema Province of the Kibara Belt (KIB), Democratic Republic...Processes of the Sn-W Granites in the Maniema Province of the Kibara Belt (KIB), Democratic Republic...Abstract: The Kibara belt (KIB) in the Maniema province hosts orebodies bearing cassiterite-wolframite...Mesoproterozoic (1094–755 Ma) granites and Sn-W bearing quartz veins that cut through metasedimentary country...muscovite-quartz (±topaz-fluorite-tourmaline) occur in the granites, and muscovite-sericite-quartz occurs |  | Zhang, Qiang, Zhang, Rong-Qing, Gao, Jian-Feng, Lu, Jian-Jun, Wu, Jin-Wei (2018) In-situ LA-ICP-MS trace element analyses of scheelite and wolframite: Constraints on the genesis of veinlet-disseminated and vein-type tungsten deposits, South China. Ore Geology Reviews, 99. 166-179 doi:10.1016/j.oregeorev.2018.06.004 | Journal (article/letter/editorial) | | the latter. The Xihuashan and Piaotang wolframite-quartz veins are developed in greisenized granite (type...Dahutang deposit, located in northwestern Jiangxi Province, is a giant tungsten deposit with estimated reserves...Xihuashan and Piaotang deposits in southern Jiangxi Province are two large-scale vein-type wolframite deposits...WO3, respectively (Mao et al., 2013a). Wolframite-quartz veins in Xihuashan are mainly hosted in granite...rocks such as the Jiuling batholith in northern Jiangxi Province are widely distributed within this orogen |  | | Journal (article/letter/editorial) | | in its southern half, that is to say, from the northern shores of Albert Edward Nyanza and the heights...strain may be more obvious in this long-isolated district. The Ba-amba are not a race of particularly low...Unyoro districts, from Ruwenzori and the Nile province. Besides these basement rocks, there are specimens...Mount Elgon, Baringo district, Kamasia hills, Lake Nakuro, and the Nandi district. Of minerals of economic...ironstone (limonite chiefly) from the Central province (Bukonge and Jinja, Busoga), Bugaya islands, |  | | Journal (article/letter/editorial) | | (pegmatites, tourmaline and topaz rich rocks and Sn-W quartz veins) are likely associated with the release of...rocks), direct atmospheric leaching of the run of the mine (5ROM) ore with sulphuric acid will not be economically...mineralisation in the northeastern Kibara belt (Rwanda) Friso De Clercqa, Philippe Mucheza, Stijn Dewaeleb...East Kilbride G75 0QF, Glasgow, UK Rwanda is situated in the northern part of the Kibara orogen, which...principally occur in pegmatites and hydrothermal quartz veins that have historically been related to the |  | Hulsbosch, Niels, Hertogen, Jan, Dewaele, Stijn, André, 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 fractionation...pegmatite zonation. The Gatumba pegmatite field (Rwanda, Central Africa) is chosen as case study area because...well-developed regional zonation in the Gatumba area (Rwanda, Central Africa). Feldspar, mica and tourmaline...in Table 1), i.e. the so-called G4-generation in Rwanda (former terminology of Gérards and Ledent, 1970)...and Sn-W hydrothermal quartz veins have been observed at several locations in Rwanda and in the neighbouring |
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