 | | Journal (article/letter/editorial) | | Abuja, Nigeria; ** Department of Geology and Mining, Nasarawa State University, Keffi, Nigeria; ***Department...Sciences, Federal University of Petroleum, Effrun, Nigeria. Email: usbamalli@hotmail.com, alimoumouni2005@yahoo...2011. ABSTRACT The metallic mineral resources of Nigeria have not been fully appraised due to lack of sufficient...and documented. The metallic minerals found in Nigeria include iron ore (with over 3 billion metric tones)...columbite, molybdenum, zircon, wolfram/tungsten tourmaline and tantalite), tin ore (cassiterite), lead/zinc |  | | Book | | of Nigeria 123 Prof. Nuhu George Obaje Nasarawa State University Dept. Geology & Mining Keffi Nigeria...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...sector has dominated the mineral resources of Nigeria and I find the presentations on the solid minerals |  | | Journal (article/letter/editorial) | | Notes on the Geology of the Ningi Hills Northern Nigeria. By GERARD W. WILLIAMS, D.S.O., M.C., M.I.M.M....south-eastern portion of Kano province, Northern Nigeria. The Delimi River runs diagonally through the area...rises on the main hydrographic centre of Northern Nigeria. The three largest rivers that rise in the Protectorateāthe...to the Geology of the Ningi Hills, Northern Nigeria. 435 far-stretching plains of ā¢wind-borne sands...included in the granites. In the neighbourhood of Keffi Filani veins of pegmatite cross and recross the |  | | Journal (issue) | | 1990,22,4 J. 22,4 Gemstone prospects in Central Nigeria J. Kanis* Kanis* and J. andR.R. R.R. Harding**...mining activities activities in central central Nigeria Nigeria are briefly described.Aquamarine Aquamarine...discoveries discoveries in in Central Central Nigeria Nigeria reached reached the outside of the the eighties...world and and by by the the middle middle of Nigeria of Nigeria had had become become an an important important...producer producer of aquamarine, topaz, tourmaline tourmaline and and sapphire. A A few articles about |  | | Catalog/List | | Cerussites and Cuprites, Sapphires and Spinels, Tourmaline and Tanzanite, Emeralds and Jeremejevites, the...online, visit HA.com/5236 57053 Tourmaline Keffi, Nassarawa State, Nigeria Suffering from a bit of alluvial...alluvial wear, this 4.7 cm Tourmaline prism is still very worthy of respect because of its multicolored nature...ETāā 47 57056 Tourmaline Nampula, Mozambique This lot consists of two green Tourmaline prisms without...could use āburlyā to describe this stout prism of Tourmaline. It shows a number of interesting features, starting |  | | Report (issue) | | COLONIAL REPORTS-MISCELLANEOUS. No. 79. NORTHERN NIGERIA. (For Report for 1906-7, see No. 59, Colonial...THE RESULTS OF THE MINERAL SURVEY OF NORTHEltN NIGERIA, 1907-8 AND 1908-9. BY PROFESSOR (Nos. V. AND...INTRODUCTION. The 111:ineral Survey 0Ā£ Northern Nigeria having been comĀ pleted Ā£or the second period for...in the K wandokaya Hills and in the NORTHERN NIGERIA-MINERAL SURVEY, 1907-8 & 1908-9. 3 neighbourhood...year on the Geology and Geography of Northern Nigeria by Dr. J. D. Falconer, who as Principal Mineral |  | | Journal (issue) | | .......................................... 39 Nigeria.................................................. Israel; Tom Cushman, Madagascar; Linus Adie, Nigeria; Bill Larson, USA; Veronica Shkarina, Moscow, Russia;...Jeg Dalek near Soroby, with some production of tourmaline, aquamarine and kunzite (Kunar Valley) in the...became known on the gemstone markets as āParaiba Tourmaline.ā Chemical testing proved that these stones also...Going down the Boqueirao Mine, one of two Paraiba tourmaline mines located close to Parelhas. Photo: Chico |  | | 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...these are: fluorine-rich muscovite, Li-silicates, tourmaline, and beryl - the main ore association of cassiterite |  | | Journal (issue) | | unstable brown color ā¢ Pink and ālilacā tourmaline from Nigeria ā¢ Triphylite from Brazil ā¢ Rough diamond...Zambia Mt. Mica: A Renaissance in Maineās Gem Tourmaline Production Fall 2005 A Review of the Political...Emerald Spring 2006 āParaĆbaā-type Tourmaline from Brazil, Nigeria, and Mozambique: Chemical Fingerprinting...Color Serenity Coated Colored Diamonds Trapiche Tourmaline from Zambia Summer 2007 Global Rough Diamond...Diamonds from Apollo Diamond Inc. Yellow Mn-Rich Tourmaline from Zambia Fluorescence Spectra of Colored Diamonds |  | 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) | | 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 (issue) | | report ā¢ Phenakite from Nigeria ā¢ Update on rubies and Cu-bearing tourmaline from Mozambique ā¢ Sodalite...sphalerite from Spain ā¢ New find of pink-to-red tourmaline in Nigeria ā¢ Rough emerald imitation ā¢ Silicon inclusions...with hand tools while traders from Thailand and Nigeria bought and exported the production (Schwarz et...beryl, chrysoberyl, diamond, garnet, quartz, tourmaline, and zircon.) The gems were derived from the...Separately, ICA directors are leading initiatives in Nigeria and Greenland aimed at developing fair trade models |  | | Journal (article/letter/editorial) | | YOUNGER INTRUSIVE ROCKS OF PLATEAU PROVINCE, NIGERIA, COMPARED WITH THE ALKALIC ROCKS OF NEW ENGLAND...By ROBERT GREENWOOD ABSTRACT In north-central Nigeria a group of rocks of alkalic affinities, known as...differentiation. The Younger Intrusive Series of Nigeria is highly discordant to pre-existing structures...remarkably similar to the Younger Intrusive Series of Nigeria in history, structure, and petrology. Mineralogical...complexes comparable in size and extent to those of Nigeria. One difference from the Nigerian occurrences is |  | | Report (issue) | | Dietmar Schwarz and Gaston Giuliani Africa: Egypt, Nigeria, Tanzania, . . . . . . . . .52 Mozambique, Zambia...color. Apatite is significantly softer. Dioptase, tourmaline and grossular exhibit clearly different crystal...opposite poles are identiĀ cal, not different as in tourmaline. Hexagonal crystals can exhibit habits ranging...with the freeĀ growing emeralds from Colombia, Nigeria and Afghanistan. According to the skill (or lack...softer than emerald (Mohs hardness 7.5-8). Green tourmaline can be somewhat more difficult to distinguish |  | | Book | | NIGERIA AND ITS TIN FIELDS TN 477 N6C34 1977 WLU 1023050B WILFRID LAURIER UNIVERSITY LIBRARY CALVERTr...CALVERTr ALBERT FREDERICK NIGERIA AND ITS TIN FIELDS TN 477 N6C34 1977 European Business Four Centuries...this volume for a complete list of titles. NIGERIA AND ITS TIN FIELDS ALBERT F. CALVERT ARNO PRESS...Publication Data Calvert, Albert Frederick, 1872-1946. Nigeria and Its tin fields. (European business) Reprint...E. Stanford, London. 1. āTin mines and miningāNigeria. I. Title. II. Series. TN477.N6C34 1977 338.2'7'45309669 |  | | Journal (issue) | | range of emeralds and green beryls from Central Nigeria. Detailed work on inclusions, compositions of hosts...613 Paste 1.615 Topaz 1.622 Amblygonite 1.629 Tourmaline 1.640 Baryte 1.647 Datolite 1.633 Danburite 1...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., |  | | Journal (issue) | | Collection no. 32510; and (8) a 13.94 cuprian elbaite tourmaline from Mozambique, courtesy of Pala International...(Mayerson and Laurs, 2004), as well as cuprian tourmaline (from Africa), thanks to the discovery of new...in world markets, red spinel and pink-to-red tourmaline became sought-after alternatives. In GEMS &...(Laurs, 2006), while Nigeria developed into an important source for pink tourmaline (Laurs, 2009) following...medium-to-high saturation and tone) of elbaite tourmaline, whatever its geographic origin (LMHC, 2010) |  | SĆ”nchez-MuƱoz, Luis, MĆ¼ller, Axel, AndrĆ©s, Sol LĆ³pez, Martin, Robert F., Modreski, Peter J., de Moura, Odulio J.M. (2017) The PāFe 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) | | long and regular tabular bodies, as the blue tourmaline-rich pegmatites in RI Paraiba (Brazil) and...Panpean Pegmatite Province; 59. SW Nigeria province (Ago-Iwoye, Keffi, Nassarawa, Komu, Wamba districts);...Peninsula, Russia La Elsa LE3 REE, U, F, Pb Tourmaline 0.38 Granitoids Ga lliski et al. (2011) San...Pippingarra 0.52 Be, Ta Beryl 2.9 SC RI PPgInt2 Tourmaline PT Capoeira mine Be urlen et al. (2008, 2014)... BK2 TC 0.14 Os trooumov (2016) Ta, Li, F Tourmaline 1.4 Granitoids Ki nnaird et al. (2014) Li |  | | Report (chapter) | | COMPLEXES IN THE YOUNGER GRANITE PROVINCE OF NORTHERN NIGERIA CONTENTS I. INTSODUCTmN . . . . Page 5 ....into the PreCambrian Basement Complex in Northern Nigeria. They are high-level, magmatic granites with sharply...There are about forty Younger Granite complexes in Nigeria. Until a complete survey of the province has been...Granites occur entirely in the Northern Region of Nigeria, between latitudes 8~ and 12 ~ N. and longitudes...in the level and monotonous terrain of Northern Nigeria. The Older Granites of the Basement Complex weather |  | | Journal (issue) | | 4.82 ct purple sapphire, (10) 5.32 ct ParaĆba tourmaline, (11) 2.16 ct demantoid, (12) 1.05 ct emerald...and Vietnam), Africa (Tanzania, Kenya, Zimbabwe, Nigeria, and Namibia, as well as Madagascar), South America...from southern Tanzania; spessartine garnet from Nigeria and Namibia; exceptional peridot from Pakistan;...Pakistan; and pink to red tourmalines from Nigeria and Brazil. Diamond was mined in northern Canada for the first...peridot, quartz, spinel, tanzanite, topaz, and tourmaline). Locality information is both summarized in |  | | Journal (issue) | | Colombia. "Nodules," previously reported only i n tourmaline and morganite, have been found i n Panjshir emeralds...shear zones that contain phlogopite, albite, tourmaline, and pyrite Figure 9. Picks and crowbars are...found on pegmatite gem minerals (e.g., morganite, tourmaline, lzunzite, topaz, etc.). Nodules are characteristic...was very similar in appearance to some of the tourmaline from Paraiba, Brazil. GEMS & GEMOLOGY Spring...brilliant cut, is similar in color to some of the tourmaline from Porafba, Brazil. Photo b y Muha S m i ~ |  | | Journal (issue) | | beryl (aquamarine, heliodor, goshenite, etc.), tourmaline, topaz, spodumene (kunzite, hiddenite) and chrysoberyl...topaz (Isogami and Sunagawa 1975), quartz and tourmaline. The assumption that pegmatite formation took...9 67.4 69.0,69.3 68.2,70.2 Fire opal Quartz Tourmaline Spinel (natural) Sapphire, ruby Zircon (low)...on 4 and 5 July to Aberdeenshire, a source of tourmaline and other minerals. Ā© Gemmological Association...by Raman analysis TAKAHASHI, Y., SUNAGAWA, I., Tourmaline: morphological and compositional variations during |  | | Journal (volume) | | Fertilizer Bendigo Goldfleld. Benue (Northern Nigeria) Tin Mines (m.d.) Report (m.d.) Blast-Furnace...Report Tin and Tungsten Deposits {m.d.) Jantar Nigeria Jones, W. R Jupiter Closes Kalgoorlie Letter Kalgoorlie...{m.d.) Hill Grenville United.. Gurum River (Nigeria) Tin. Qyrostatic Compass 318 Dartmoor Water-Power...Commission Report Luipaards Vlei Tin Deposits in Nigeria Lush, F. M Magnetic Concentration at Trail Malay...in Australia Molybdenite Mines in Norway Mongu (Nigeria) Tin Monterrey, Mining and Smelting Operations |  | | Journal (volume) | | Norman, Oil Discovery at 222, 265, Forum River (Nigeria) Tin Report ". Prank Smith Diamond Co Precheville...Levant, Accident at Levant Tin Mines Levers in Nigeria ("i-fi-) (m.d.) -^^ Mi ''"U, Report Libiola...University Lonely Reef Developments Lower Bisichi (Nigeria) Tin Mines Lucky Chance Mines 57 255 72 122 (m...Williams (m.d.) Nigerian Geology, 384 Ninghi (Nigeria) 'Tin 253 (m.d.) Normanby Goldfield, Queensland...266 Northern Exploration Company 200 Northern Nigeria (Bauchi) Tin Mines New Capital 381 (m.d.) Norway |  | | Book (edition) | | Ruby and Sapphire Beryl Chrysoberyl Spinel Topaz Tourmaline The Garnets Feldspar Group Zircon Peridot 69...Gerais, Brazil. Fine pink and green gem-quality tourmaline has been mined here 10 Rocks and the Processes...Australia 11 The Geological Sources of Gems and Nigeria, the amethysts occurring in spectacular cavities...Figure 1.10 Xenocryst of sapphire in basalt from Nigeria. A loose xenocryst from the same locality has reflective...as amethyst, aquamarine, morganite, topaz and tourmaline may be found both in pegmatites and in hydrothermal |  | | Journal (volume) | | Esperanza Exhibition, British Empire Ex-Lands Nigeria Explosives, Liquid Air Falcon Mines Developments...Works in Scotland Close Niger Company's Meeting Nigeria, Gold Prospects in W. A. Pope. Nigerian Consolidated...) .... Report .... 59 128 Gold Prospects in Nigeria. *80 Pope, W. A Porcupine, Ontario 35, 93, 159...Atkinson [m.d.) Ran.l, Ketinery for the K,i\ lirM Nigeria, Reduction of Capital Report K,i\ li.M (Niijeria)...214 ... 320 130, 200, 259 359 Report Ruk'uba (Nigeria) Tin Russia, Metallurgical Conditions in W. E |
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