 | | Journal (article/letter/editorial) | | Springer-Verlag 1990 Rare-metal pegmatites of Wamba, central Nigeria their formation in relationship to late...The Sn-(Nb, Ta) mineralization of the Wamba field (central Nigeria) occurs in muscovite-quartz-microcline...The pegmatitic mineralization of predominantly cassiterite is closely associated with albitization. Chemical...shear system. Introduction The pegmatite field of Wamba is part of a group of late Pan-African rare-metal...broad belt extending from southwestern to central Nigeria (Jacobson & Webb 1946; Wt:ight 1970). The primary |  | | Journal (article/letter/editorial) | | northern Sudan, around 550 Ma for the Wamba pegmatites of central Nigeria, and around 465 Ma for the Majayahan...Nord-Sudan, um 550 Ma fi.ir die Pegmatite von Wamba in Zentral-Nigeria, und um 465 Ma f/Jr die Pegmatite von...determinations on Pan-African pegmatites from central Nigeria, northern Sudan and northeastern Somalia (Fig....Ma for pegmatites from southwestern and central Nigeria. The coarse grain size of pegmatites usually makes...pegmatites of northern Sudan, the Wamba pegmatites of central Nigeria and the Majayahan pegmatites and |  | | Journal (article/letter/editorial) | | Jurassic tin-bearing ring complees of the Jos Plateau Nigeria. In order to establish the position of the Nigerian...host-rock. Pegmatite occurrences from southwest Nigeria. which are emplaced into Proterozoic metasedimentary-metavolcanic...range of 70(l-S20 Ma are dispersed throughout Nigeria, associated rare-metal mineralized pegmatites are...Pan-African Pcgmatites Tin Mineralization Nigeria 1. Introduction Rare-metal mineralization in general...tourmaline, and beryl - the main ore association of cassiterite, tantalite, and columbite - the lack of large |  | | Book | | Geology and Mineral Resources of Nigeria 123 Prof. Nuhu George Obaje Nasarawa State University Dept. Geology...Geology & Mining Keffi Nigeria nobaje@yahoo.com ISSN 0930-0317 ISBN 978-3-540-92684-9 e-ISBN 978-3-540-92685-6...Resources of Nigeria are very few and mostly not accessible in Libraries and Bookshops in Nigeria. This book...activities in the Geology and Mineral Resources of Nigeria. The author has brought together several published...students of geology in tertiary institutions in Nigeria and abroad. Additional insights were also provided |  | | Journal (article/letter/editorial) | | New evidence of cassiterite-bearing Precambrian Basement rocks of the Jos Plateau, Nigeria- the G um case... P.M.B. 2084, Jos, Nigeria Abstract. The major sources of cassiterite in Nigeria are the alluvial and...first repol,t on an important new source of cassiterite in basement-complex gneisses, migmatites, pegmatites...and aplites in the Gurum area near Jos. The cassiterite, which has been economically concentrated by...generally finer grained and darker than the alluvial cassiterite derived from the Jurassic biotite granites. This |  | | Journal (article/letter/editorial) | | Pan-African (600 ± 150 Ma) basement of northern Nigeria I. Garba This study reports some general field...Geology, Ahmadu Bello University, Samaru, Zaria, Nigeria (igarba@inet-global.com or igriruwai@yahoo.com)...Northern Nigeria INTRODUCTION Until recently, Pan-African rare-metal pegmatites in Nigeria were known...the Wamba area (near the Jos Plateau) in central Nigeria to Ilesha area in south-western Nigeria, and...in the Obudu and Oban massifs of southeastern Nigeria (Fig. 1).9,10,16,17,27 Similar rare-metal pegmatites |  | | Journal (article/letter/editorial) | | Kamativi Belt (Zimbabwe) and the Jos Plateau (Nigeria); Ÿ Mn-rich columbite-tantalite is typical of the...pegmatites associated with the Older Granites of Nigeria and many pegmatites in the Damara Belt of Namibia...Republic of the Congo (DRC), Mozambique, Ethiopia, Nigeria and Burundi (Table 1). Notably, the majority of...content). Burundi DR Congo Ethiopia Mozambique Nigeria Rwanda Africa total World mine production % Africa/world...Zimbabwe), Katanga (former province of the DRC) and Nigeria. Democratic Republic of the Congo Tin-tantalum |  | | Journal (article/letter/editorial) | | [U-Pb columbite (Mauthner et al. 1995), U-Pb cassiterite and zircon (Kontak, unpub. data)] and represents...Greensbushes, Australia; Dara-iPech, Afghanistan; Wamba, Nigeria), the LNPG raremetal (Sn-Ta-Nb) mineralization...showing typical oscillatory zoning, hosted in cassiterite. (F) Late-stage CGM, which is hosted in metasomatic |  | | Journal (article/letter/editorial) | | and Hf in cassiterite. Chem. Geol., 40: 1--12. Analytical data on Zr and Hf in cassiterite samples from...geochemical indicator of the mode o f formation of the cassiterite in cases when this is not clear from the geologic...from oxidic parageneses in pegmatite veins. Cassiterite from sulfide parageneses seems to be free of...Hf fractionation. SAMPLING Samples from many cassiterite deposits in various tin provinces in America...Zai're ljero, Nigeria Egbe, Nigeria Egbe, Nigeria Wamba, Nigeria Jemaa, Nigeria Bukuru, Nigeria Ropp, Nigeria |  | 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) | | al. 4.4.4.2. Mineralogy 4.4.5. Older Granites (Nigeria) 4.4.5.1. Radiometric data T 4.4.5.2. Mineralogy...Madagascar 4.5. Mesozoic SC R 4.5.1. Jos Plateau (Nigeria) 4.5.1.1.Radiometric data 4.5.1.2. Mineralogy ...Older Granites (Nigeria) 5.4.6. Madagascar 5.5. Mesozoic 5.5.1. Jos Plateau (Nigeria) 6. Mineral chemistry...Kamativi Belt (Zimbabwe) and the Jos Plateau (Nigeria). Mn-rich columbite-tantalite is typical of the...pegmatites associated with the Older Granites of Nigeria and some pegmatites in the Damara Belt of Namibia |  | | Journal (article/letter/editorial) | | Granitic Pegmatites of Komu area, Southwestern Nigeria Ademuyiwa Adetunji1 and Ojok Onesimus Ocan2 1 ...Ondo State, Nigeria and 2Department of Geology, Obafemi Awolowo University, Ile Ife, Nigeria Abstract...Abstract The geology of the Komu area, south-western Nigeria was investigated in order to determine the nature... mineralization, Nigeria. 1. Introduction The occurrence of rare metals in Nigeria is broadly divided...anorogenic Younger Granites of central northern Nigeria, and older (~550 Ma) Ta-Nb-Sn-Li-Be mineralization |  | | Journal (article/letter/editorial) | | mineralization at the Sinceni Westdeposit consists of cassiterite in late-stage pegmatite units of sugary albite...subeco- tion at Sinceni. nomic,disseminated, cassiterite-arsenopyrite-fiuorite minerGeologicSetting alization...anhedralTa-Nb oxidemineralsare fairly common.Other in cassiterite, apartfromquartzandalbite, fractionation deg...fractionation trend within the Sincenipluton mentioned cassiterite from Sinceni West. The main substituents aside...unpub.data).Semiquantitative of inclusions in cassiterite revealed the presence of by comparing the fractionation |  | Girei, Musa Bala, Li, Huan, Algeo, Thomas J., Bonin, Bernard, Ogunleye, Paul Olusegun, Bute, Saleh Ibrahim, Ahmed, Hafizullah Abba (2019) Petrogenesis of A-type granites associated with Sn–Nb–Zn mineralization in Ririwai complex, north-Central Nigeria: Constraints from whole-rock Sm Nd and zircon Lu Hf isotope systematics. Lithos, 340. 49-70 doi:10.1016/j.lithos.2019.05.003 | Journal (article/letter/editorial) | | mineralization in Ririwai complex, north-Central Nigeria: Constraints from whole-rock Sm-Nd and zircon Lu-Hf...mineralization in Ririwai complex, north-Central Nigeria: Constraints from whole-rock Sm-Nd and zircon Lu-Hf...mineralization in Ririwai Complex, north-central Nigeria: Constraints from whole-rock Sm-Nd and zircon Lu-Hf...Earth Sciences, China CE PT E 4 D Kano State Nigeria University of Geosciences, Wuhan 430074, China...Research and Training, Ahmadu Bello University Zaria, Nigeria 8 Department of Geology, Gombe State University |  | | Journal (article/letter/editorial) | | mineralization. Cassiterite t Nb-Ta-Ti oxide minerals are disseminated in the pegmatite, and cassiterite and wolframite...partitioned in favour of the melt, which allowed cassiterite to initially crystallize directly from the melt...pseudosecondary, and secondary fluid inclusions in cassiterite, tourmaline, and quartz record three-component...by an isothermal decompression to 2.7 kbar. Cassiterite deposition was probably controlled by increasing...of SnW deposition. MOST PREVIOUS RESEARCH on cassiterite-bearing pegmatites has concentrated on their |  | | Journal (volume) | | Accessory Mineralogy of the Ririwai Biotite Granite, Nigeria, and its Albitized and Greisenized Facies: R. A...Magmatism, and Metamorphism in the Lower Benue Trough, Nigeria: J. Benkhelil ................... 467 A Model for...frumide belt; Since the discovery of the first cassiterite deposits after the First World War, the Kibaran...producer of any of these commodities. Cumulative cassiterite production in the northeastern province, for...without cassiterite grading with increasing depth to quartz veins with muscovite, cassiterite, and minor |  | Fosso Tchunte, Periclex Martial, Tchameni, Rigobert, André-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) | | Nb-Ta-Sn as columbite-tantalite (Coltan) and cassiterite, and these granites have relatively low Zr/Hf...Granites of Nigeria, Adola Belt of Ethiopia) and anorogenic (Younger Granites of Nigeria) ([45]; Figure... 4.3 Alto Ligonha Province. 4.4 Damara Belt. (Nigeria). 4.6 Madagascar. Salah in 4.7 northern domainCameroon...Centraldomain AfricanofFold Belt. 4.5 Older Granites (Nigeria).4.7 4.6Mayo Madagascar. Mayo Cameroon Salah in...5.1 Younger Granites (Nigeria). African Fold Belt. 5.1 Younger Granites (Nigeria). To date, no Nb-Ta |  | Goodenough, K.M., Lusty, P.A.J., Roberts, N.M.W., Key, R.M., Garba, A. (2014) Post-collisional Pan-African granitoids and rare metal pegmatites in western Nigeria: Age, petrogenesis, and the ‘pegmatite conundrum’. Lithos, 200. 22-34 doi:10.1016/j.lithos.2014.04.006 | Journal (article/letter/editorial) | | granitoids and rare metal pegmatites in western Nigeria: Age, petrogenesis, and the ‘pegmatite conundrum’...31 Shettima A Munguno Crescent, Utako, Abuja, Nigeria b c a r t i c l e i n f o Article history: Received...2014 Available online 24 April 2014 Keywords: Nigeria Pan-African granite Post-collisional Rare-metal...metals a b s t r a c t The Minna area of western Nigeria lies within a Pan-African orogenic belt that extends...African Craton, from Algeria southwards through Nigeria, Benin and Ghana, and into the Borborema Province |  | | Book | | Guide for Rare-Metal Pegmatites Examples from Nigeria and Sudan. G. Matheis and D. Küster (with 2 Figures)...from Alpine veins and those, associated with cassiterite, quartz and sometimes tourmaline, found 14...are generally low, and so far only rutile and cassiterite have attained economic importance. In view of...occurs in intimate microscopic intergrowths with cassiterite, niobian ruti1e or micro1ite, and it is rep1aced...quartz, K-feldspar, zinnwaldite, muscovite, cassiterite, wolframite and wolframoixiolite, probably in |  | | Journal (issue) | | range of emeralds and green beryls from Central Nigeria. Detailed work on inclusions, compositions of hosts...deposits are exploited, e.g. in Australia, Thailand, Nigeria and China (Coenraads, 1992a; Guo et al., 1992)...on sapphire from other basaltic origins (e.g. Nigeria and Australia). She described as significant morphological...Harding, R.R., 1990. Gemstone prospects in Central Nigeria. Journal of Gemmology, 22, 4,195-202 Karr, c.,...117-141 117 Emerald and green beryl from Central Nigeria Dr Dietmar Schwarz1, Dr Jan Kanis2 and Dr Judith |  | Sánchez-Muñoz, Luis, Müller, Axel, Andrés, Sol López, Martin, Robert F., Modreski, Peter J., de Moura, Odulio J.M. (2017) The P–Fe diagram for K-feldspars: A preliminary approach in the discrimination of pegmatites. Lithos, 272. 116-127 doi:10.1016/j.lithos.2016.10.030 | Journal (article/letter/editorial) | | 2011. Late Neoproterozoic overprinting of the cassiterite and columbite–tantalite bearing pegmatites of...Pegmatite Province; 59. SW Nigeria province (Ago-Iwoye, Keffi, Nassarawa, Komu, Wamba districts); 60. Giraul...Granitoids Merino et al. (2013) UI1 B, Li Cassiterite ~0.5 Sn Spodumene 1.7 SC Granitoids Walker...Monroy, Spain Uis mine Li. Be, Cs, Spodumene, cassiterite NU South Dakota, USA La Isla TM2 MA Namibia |  | Lenoir, J. -L., Li�geois, J. -P., K�ster, D., Utke, A., Matheis, G., Haider, A. (1994) Origin and regional significance of late Precambrian and early Palaeozoic granitoids in the Pan-African belt of Somalia. Geologische Rundschau, 83 (3) 624-641 doi:10.1007/bf01083233 | Journal (article/letter/editorial) | | of the country rocks. Veins mineralized with cassiterite occur isolated at Majayahan (Fig. 2) or Fig....Kfister D (1990) Rare-metal pegmatites of Wamba, central Nigeria their formation in relationship to late |  | Lenoir, J.-L., Li�geois, J.-P., K�ster, D., Utke, A., Matheis, G., Haider, A. (1994) Origin and regional significance of late Precambrian and early Palaeozoic granitoids in the Pan-African belt of Somalia. Geologische Rundschau, 83 (3) doi:10.1007/bf00194167 | Journal (article/letter/editorial) | | of the country rocks. Veins mineralized with cassiterite occur isolated at Majayahan (Fig. 2) or Fig....Kfister D (1990) Rare-metal pegmatites of Wamba, central Nigeria their formation in relationship to late |  | | Journal (issue) | | • Bechuanaland Protectorate • • Federation of Nigeria • • • British Territories in Borneo • • British...described and chemical analyses quoted. Beryl, cassiterite, columbite, mica, guano and salt have been worked...Wein in the Borama District (Mason, 1954b). CASSITERITE At the Manja Yihin Mine in Somalia (just over...inliers in the Erigavo District, and found both cassiterite and rutile at Dagah Kuled where mineralised quartz-veins...area of 20 sq. miles. Unfortunately, although cassiterite was at first reported by Stock in 1946, a sample |  | | Corporate Document | | MALI NIGER DJIBOUTI CHAD SENEGAL BE RI A NIGERIA ETHIOPIA IA LI SIERRA LEONE IVORY COAST GHANA...Bondo Gemena Mungbere Lisala er o Riv Cong Bumba Wamba Tele BuniaLake Albert Bafwasende Kisangani 0°...tourmaline, and micas and in rare cases barite and cassiterite. The auriferous quartz veins hosted in the Kibara...greenish muscovite and, in the D3 area, black cassiterite. Whether these represent true greisens in a genetic...greisenisation, the presence of scheelite and cassiterite mineralisation, and incompatible element charged |  | | Book | | ization' is co mmo nly associated with deposits of cassiterite and , to a less extent, depos its of wo lfra...Lithium mica, tourmaline, and fluo rite, rutile, cassiterite , o r wolfra mite may be present. The term has...minera ls of this table, gold, platinum, and cassiterite are the ou tstanding placer minerals. Mon az...gold and cassiterite, because gold and cassiterite commonl y occur in quartz veins, and cassiterite is associated...some tha t cont a in platinum, chromite, gold , cassiterite, wolframite, diamond, barite, and qu ::irtz. |
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