 | 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 |  | 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) | | quartz veins: Evidence from the Karagwe-Ankole Belt (Rwanda) Niels Hulsbosch a,⇑, Marie-Christine Boiron b...quartz veins of the Nyakabingo deposit of the Karagwe-Ankole belt in Central Rwanda. The vein system (992...in Nb–Ta–Sn mineralisation. Muscovite in the Nyakabingo veins is significantly enriched in granitophile...Gatumba–Gitarama leucogranite– pegmatite field of Central Rwanda (Central Africa), which is spatiotemporally related...black-shale hosted, tungsten quartz vein system of Nyakabingo (Dewaele et al., in press). Granitic pegmatites |  | | 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...crystals of REE minerals such as monazite and xenotime are common in the concentrate samples. Electron |  | 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) | | scheelite and secondary wolframite, monazite, xenotime and jarosite. Small muscovite veinlets occur in...ferberite with minor amount of monazite-(Ce), xenotime and fluorine-rich muscovite. Pores are either...wolframitem - reinitem. Nejvíce výskytů je ve Rwandě - Nyakabingo, Gifurwe, Bugarama a Ritsiro (Goldmann et al...2013), dále v Japonsku - Sannotake, Kibosan a Otome mine (Horn 1930), Ugandě - Ruhizha, Nyamalilo, Kirwa...výskyty sekundárního wolframitu (reinitu) jsou Nyakabingo, Gifurve a Bugarama v centrální Rwandě. Wolframová |  | | 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 |  | 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) | | 2. North-eastern DRC (Ubendian, Orientale and northern North Kivu) D 4.3. Neoproterozoic (1000-542...data 4.4.2.2. Mineralogy 4.4.3. Alto-Ligonha Province (northern Mozambique) 4.4.3.1. Radiometric data 4.4...Pegmatites of Ethiopia and Somalia 5.4.3. Alto-Ligonha Province (Mozambique) 5.4.4. Damara Belt (Namibia) 5.4...columbite-tantalite is typical of the Alto Ligonha Province (Mozambique), CE P the Arabian-Nubian Shield...countries (Democratic Republic CE P of the Congo, Rwanda, Burundi, and Uganda) have an almost 100-year-long |  | 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 (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 |  | | Journal (article/letter/editorial) | | rocks), direct atmospheric leaching of the run of the mine (5ROM) ore with sulphuric acid will not be economically...(sodic fenitization) is cross-cutting to late xenotime veins running through rim zircon, and thus, post-dates...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 |  | 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...with accessory minerals of hydrothermal zircon, xenotime, monazite, Nb-Fe-W-rich rutile, and NbTi-Y-HREE-W-U...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 |  | 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)...minerals are apatite, tourmaline, ilmenite, monazite, xenotime and rare zircon (Gérards and Ledent, 1970; Pohl |  | | Book | | imbalance and prompts the creation of monazite and/or xenotime through the following general mass transfer reactions:...300e900 C and 500e1000 MPa formed monazite and xenotime as inclusions and rim grains in the metasomatized...metasomatizatism of chlorapatite, monazite (besides xenotime) crystallized both as inclusions and border grains...chlorapatite-fluid experiments where monazite and xenotime inclusions formed solely in those zones recrystallized...hydroxylFAP, in which and along which, both monazite and xenotime formed (Harlov et al., 2002b). The existence of |  | | 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 . . . . . . . . . . . . . . |  | | 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 |  | | Book (chapter) | | imbalance and prompts the creation of monazite and/or xenotime through the following general mass transfer reactions:...300e900 C and 500e1000 MPa formed monazite and xenotime as inclusions and rim grains in the metasomatized...metasomatizatism of chlorapatite, monazite (besides xenotime) crystallized both as inclusions and border grains...chlorapatite-fluid experiments where monazite and xenotime inclusions formed solely in those zones recrystallized...hydroxylFAP, in which and along which, both monazite and xenotime formed (Harlov et al., 2002b). The existence of |  | | 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 |  | | 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 . . ............................ |
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