 | | Journal (article/letter/editorial) | | mineralization - a discussion with reference to the Niger-Nigerian Province Judith Kinnaird and Peter Bowden...the abundance of zircon, uranium. thorium and complex Ti-Zr silicates, the importance o f columbite,...Geochemistry Mineralization Phanerozoic Cameron Niger Nigeria Sudan Saudi Arabia Namibia 1. Introduction...and accompanied the uplift which followed it. I n Niger-Nigeria and also Sudan a more or less continuous...sequential opening of the south Atlantic. Thus the ring complex provinces of Angola, Namibia and Luderitz (Figure |  | | Journal (article/letter/editorial) | | Birmingham, 8 4 7ET, U.K. The Ririwai granitic ring complex has suffered a sequence of post-crystallization...often aligned along the cleavage of micas, or form complex intergrowths outside the micas. Late stage, possibly...granite have precipitated Zr. U, Pb, Nb, Ta. Ti as complex intergrowths of uranium-bearing plumbopyrochlorc...Uranium-thorium minerals 1. Introduction The Ririwai complex is amongst the best studied of the Younger granite...comprehensive account of Kinnaird et al. (1985). The complex, which represents the roots of an eroded alkaline |  | | Journal (volume) | | Geochemistry of the Tioueine Pan-African Granite Complex (Hoggar, Algeria) : A. Azzouni-Sekkal and J . Boissonnas...Mineralizationa Discussion with Reference to the Niger-Nigerian Province: J . Kinnaird and P. Bowden ....described above developed as an evolving volcanic complex on pri,nitive Archaean simatic crust. to be subsequently... as defined by SACS (1980) is a lithotectonic complex (De Wit er al. 1983; Paris 1985a) of which the...gneisses, similar to those of the Ancient Gneiss Complex of Swaziland and unconformably overlain by a diamictite |  | | Book | | 326 10 Palaeozoic Magmatism in the AIr Massif, Niger C. Moreau, G. Rocci, W. L. Brown, D. Demaiffe and......................... 5.1 The Thghouaji Ring-Complex ...................... 5.2 Conclusion ................ 11 Ring-Complexes of Ofoud-Type in Alr, Niger: A new Anorogenic-Type Anorthosite Association D...mean NE-SW direction for over 1000 km, from the Niger delta to lake Chad, two minor magmatic subprovinces...are synchronous with the youngest Nigerian ring complex (Kinnaird and Bowden, this volume) and one can |  | | Book | | Originally our goal was to include papers on deposits in Niger, Libya, and Chad, but political and other issues...the formation of a late Miocene metamorphic core complex. M. Bouabdellah, R. Jabrane, D. Margoum, and M...Metallogenic Evolution of a Late Miocene Metamorphic Core Complex in the Alpine Maghrebide Belt . . . . . . . . ...and Paleoproterozoic Iron Formation of the Tiris Complex, Islamic Republic of Mauritania . . . . . . . ...deposits in Mali and Mauritania, uranium deposits in Niger, and MVT lead-zinc deposits in the High Atlas system |  | | Journal (issue) | | mineralization in a rediscovered pegmatite in the Stettin Complex, Wausau Syenite Compley, Marathon County, Wisconsin...nepheline syenite pegmatites in the Larvik plutonic complex, Oslo Rift, Norway…………………………………………………………………………135...al., 2017). In either case, they form part of a complex continental crust with a long evolutionary history...from the Storgangen intrusion, Rogaland Intrusive Complex, SW Norway: Implications for the composition and...investigated rare metal granites points to more complex mineral-forming processes compared to pegmatites |  | Gaines, Richard V., Skinner, H. Catherine W., Foord, Eugene E., Mason, Brian, Rosenzweig, Abraham, King, Vandall T. (1997) Dana's New Mineralogy (8th ed.) Wiley-Interscience. p.1872 | Book (edition) | | and O, OH, F, and H20 Groups and Other Anions or Complex and Some Beryllosilicates 1020 1061 1106 1116...followed in this edition. The many and often very complex silicate minerals are here classified for the first...may be less for simple structures or more for complex ones. Typically, the projection is down the shortest...but ant predomin the to refers label The true. complex structures this may not be by species in a site...appearance of its surfaces in reflected light. It is a complex property that depends on a mineral’s reflectivity; |
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