 | 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...quartz veins from the Nyakabingo, Gifurwe and Bugarama deposits in central Rwanda occurs as the iron-rich...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...Africa (Democratic Republic of the Congo (DRC), Rwanda, Uganda and Burundi) and is generally found in |  | | Journal (article/letter/editorial) | | hydrothermal quartz veins. Many deposits in the province occur in siliciclastic metasedimentary, or metabasaltic...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...felsic intrusions. Geographically, this giant metal province comprises Kivu and Maniema, as well as major portions |  | 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...and the typical association of the W deposits in Rwanda, but also worldwide, with granite intrusions, W...Fluid flow . Karagwe–Ankole belt . Neoproterozoic . Rwanda . Tungsten mineralization Editorial handling:...Lakes region of Central Africa and covers parts of Rwanda, Burundi, Uganda, Tanzania, and Eastern Congo. |  | | Journal (article/letter/editorial) | | belt is mainly known as a tin and tungsten ore province; more recently, exploration and mining have concentrated...may be very pronounced. The tin mining district of Rutongo/Rwanda was chosen as an example of Kibaran cassiterite...sulfides. Late joints in the veins are coated by hematite and goethite. Mineralization is known to extend...showing position of mineral deposits north of Kigali/Rwanda. Crosses tin granite bodies (G4); white with black...hydrothermally altered tin granites from nearby Kigali/Rwanda. Neutron activation analyses by P. M611er and P |  | | Journal (article/letter/editorial) | | 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...southwest Uganda. The northeastern province is the main subject of this paper (Fig. 2 ). Since the discovery...M--Mashonga Au; No---Nyamulilo W; Rh--Ruhiza W. Rwanda: B---Bugarama W; Bu--Buranga pegmatite; Mi--Miyove |  | | Book | | MINERALS& GEMSTONES of East Africa Burundi, Kenya, Rwanda, Tanzania and Uganda Bruce Cairncross Published...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...of the five featured countries - Burundi, Kenya, Rwanda, Tanzania and Uganda - and introduces the reader |  | | 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 |  | 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...Zimbabwe Craton, 1.4 Kaapvaal Craton; 2.1 Birimian Province, 2.2 Kibalian in north-eastern DRC; 3.1 Kibara...Eastern Desert, 4.2 Adola Belt, 4.3 Alto Ligonha Province, 4.4 Damara Belt, 4.5 Older Granites (Nigeria) |  | | Journal (article/letter/editorial) | | 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...mineralisation occurring in the central part of Rwanda. Here, a NNW-SSE oriented zone rich in tungsten...(2008) The tungsten mineralisation at Nyakabingo and Gifurwe (Rwanda): Preliminary results. Geologica Belgica |  | Monnier, Loïs, Salvi, Stefano, Melleton, Jérémie, Bailly, Laurent, Béziat, Didier, de Parseval, Philippe, Gouy, Sophie, Lach, Philippe (2019) Multiple Generations of Wolframite Mineralization in the Echassieres District (Massif Central, France) Minerals, 9 (10) 637 doi:10.3390/min9100637 | Journal (article/letter/editorial) | | of Wolframite Mineralization in the Echassieres District (Massif Central, France) Loïs Monnier 1 , Stefano... Abstract: The Echassières district in central France contains complex rare-element...W-rich goethite in all units of the Echassières district. This model for multiple W mineralizing events...and in the greisen alteration. The Echassières district, in the French Massif Central, is an ideal setting...systems emplaced from ca. 360 to 290 Ma. In the northern part of the Massif Central, these three units |  | | Journal (article/letter/editorial) | | specifically those in the Yenisei Ridge gold province (e.g. Olimpiada, Sovetskoe) which likely formed...Palaeozoic orogenic gold deposits such as those on the northern margin of the NCC (e.g. Wulashan). Permian strike-slip...Middle to Late Jurassic orogenic gold ores in northern Mongolia (e.g. Boroo) and central to eastern Transbaikal...Early Cretaceous gold provinces formed in the northern and eastern margins of the NCC (e.g. Jiaodong...Sukhoi Log (Lena province in southern margin of Siberia craton, Siberia) and Kumtor (northern flank of the |  | Harlaux, Matthieu, Mercadier, Julien, Marignac, Christian, Villeneuve, Johan, Mouthier, Bernard, Cuney, Michel (2019) Origin of the atypical Puy-les-Vignes W breccia pipe (Massif Central, France) constrained by trace element and boron isotopic composition of tourmaline. Ore Geology Reviews, 114. 103132 doi:10.1016/j.oregeorev.2019.103132 | Journal (article/letter/editorial) | | 2009a). The deposit was the secondranked tungsten mine in France during the 20th century with a past production...workings extended to 300 m below surface in the former mine, the vertical extent of the deposit has not been...albite (Si, Na), corundum (Al), olivine (Mg), hematite (Fe), ilmenite (Mn, Ti), orthose (K), andradite...Previous works reported that the LGU gneisses in the northern FMC reached the muscovite-breakdown reaction during...the three-nappe pile system of the FMC. In the northern FMC, the PAU crops out locally in tectonic windows |  | | Journal (issue) | | rare-element class pegmatites in the Borborema Province in NE-Brazil?...................................miarolitic granite of Cuasso al Monte, Varese province, (Southern Apls, Italy)…………………………………………………………………………………41...lithium exploration in the Barroso-Alvão area, northern Portugal…………..72 MALCZEWSKI, D., DZIUROWICZ,...pegmatitic granite dykes in the central Grenville Province……………………………………………………………………………………………………………………………...Rwamagana-Musha-Ntunga pegmatite-quartz vein field (East Rwanda): identification of mixing processes betwen magmatic-hydrothermal |  | | Book | | alternatively, when oxidation and precipitation of hematite is also taken into account. Using Eq. (1.11) for...been described in a stream receiving acid (C) (D) mine drainage rich in SO4 2 ions (Brady et al., 1986)...cross-section shown in C. (FeG) Different types of hematite crystals found inside the amorphous silica phase...(HAADF) image of ellipse hematite particle and (G) HAADF image of agglomerated hematite particle with selected-area...which formed hematite at 90 C but a yellow solution at 60 C. Changes in the final hematite color could |  | | Conference Proceedings (Volume) | | Cover photograph: View of the Aitik open pit copper mine in the very north of Sweden. Mining operations started...regional scale 3D-model of the Skellefte mining district, northern Sweden ...................................VHMS-type deposits, Kristineberg area, Skellefte District, Sweden . . ....................................modelling for VMS exploration in the Pyhäsalmi district, Central Finland ..............................ore body structural complexities: KDC East Gold Mine, South Africa . . ............................ |  | | Book (chapter) | | alternatively, when oxidation and precipitation of hematite is also taken into account. Using Eq. (1.11) for...been described in a stream receiving acid (C) (D) mine drainage rich in SO4 2 ions (Brady et al., 1986)...cross-section shown in C. (FeG) Different types of hematite crystals found inside the amorphous silica phase...(HAADF) image of ellipse hematite particle and (G) HAADF image of agglomerated hematite particle with selected-area...which formed hematite at 90 C but a yellow solution at 60 C. Changes in the final hematite color could |  | | Journal (volume) | | Precambrian Gabbro- anorthosite Complexes, Tete Province, Mozambique: M. W. C. Barr and M. A. Brown .....Vail ............. 161 Ductile Shear Zones in the Northern Red Sea Hills, Sudan and their Implication for...Geological Mapping and Mineral Exploration in Northern Sudan using Satellite Remote Sensing: P. S. Griffiths...Discussion with Reference to the Niger-Nigerian Province: J . Kinnaird and P. Bowden . . . . . . . . ....Geochemical Characteristics of the Nigerian Anorogenic Province: R. A. Batchelor . . . . . . . . . . . . . . |  | | Book (edition) | | Linopolis, Brazil, H Page 13: Gold, 35 mm.Eagle's est Mine, California, G Publi!>hed by Grdllit.u.o. Stefanikova43...expressed in abbreviations: Rep. (republic), prov. (province), co. (county), munic. (municipio), pref. (prefecture)...dept. (departement), dept. (departamento), dist. (district). Less common terms are not abbreviated, e.g....the revolution in 1997. Its mineral rich Katanga province was renamed Shaba by Mobutu, and is now the Katanga...Katanga administrative region again. The former Kivu province is now divided to three regions: INTRODUCTION |
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