 | Galliski, M. A., Marquez-Zavalia, M. F., Cerny, P., Martinez, V. A., Chapman, R. (2008) THE Ta-Nb-Sn-Ti OXIDE-MINERAL PARAGENESIS FROM LA VIQUITA, A SPODUMENE-BEARING RARE-ELEMENT GRANITIC PEGMATITE, SAN LUIS, ARGENTINA. The Canadian Mineralogist, 46 (2) 379-393 doi:10.3749/canmin.46.2.379 | Journal (article/letter/editorial) | | RARE-ELEMENT GRANITIC PEGMATITE, SAN LUIS, ARGENTINA Miguel Angel GALLISKI§ and Maria Florencia MARQUEZ-ZAVALÍA...Martín; C.C.330 (5.500) Mendoza, Argentina Petr ČERNÝ Department of Geological Sciences, University...Alejandra MARTÍNEZ Departamento de Ciencias Geológicas, Universidad Nacional de La Pampa, Av. Uruguay 151,... (6300) Santa Rosa, La Pampa, Argentina Ron CHAPMAN Department of Geological Sciences, University of...Pampeanas, Argentina, evolved from the border zone inward. Early phases consist of minor columbite-(Fe) in |  | Melleton, J., Gloaguen, E., Frei, D., Novak, M., Breiter, K. (2012) HOW ARE THE EMPLACEMENT OF RARE-ELEMENT PEGMATITES, REGIONAL METAMORPHISM AND MAGMATISM INTERRELATED IN THE MOLDANUBIAN DOMAIN OF THE VARISCAN BOHEMIAN MASSIF, CZECH REPUBLIC?. The Canadian Mineralogist, 50 (6) 1751-1773 doi:10.3749/canmin.50.6.1751 | Journal (article/letter/editorial) | | France Dirk FREI¶ Stellenbosch University, Department of Earth Sciences, Private Bag X1, Matieland...Matieland, 7602, South Africa Milan NOVÁK Department of Geological Sciences, Masaryk University, Kotlářská 2...domain, 10 in situ U–Pb dates of minerals of the columbite–tantalite group from eight rare-element pegmatites...of radiogenic Pb is of minimal importance in columbite. Two ages of emplacement have been obtained. An...Keywords: LCT pegmatite, rare-element-enriched magma, columbite–tantalite, LA–SF–ICP–MS dating, Variscan orogeny |  | 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) | | Geochemistry and U-Pb LA-ICP-MS Geochronology on Columbite and Monazite Periclex Martial Fosso Tchunte 1...Saha Fouotsa 1 and Olivier Rouer 2 1 2 3 4 * Department of Earth Sciences, Faculty of Science, University...nicsaha@yahoo.fr (A.N.S.F.) GeoRessources, Université de Lorraine, CNRS, F-54000 Nancy, France; anne-sylvie...F-35000 Rennes, France; Marc.poujol@univ-rennes1.fr Department of Earth Sciences, Faculty of Science, University...rare-element-bearing mineral is represented by columbite-group minerals (CGM) and other Nb-Ta-oxides (Nb-rutile |  | Konzett, Jürgen, Schneider, Tobias, Nedyalkova, Latina, Hauzenberger, Christoph, Melcher, Frank, Gerdes, Axel, Whitehouse, Martin (2018) Anatectic Granitic Pegmatites from the Eastern Alps: A Case of Variable Rare-Metal Enrichment During High-Grade Regional Metamorphism – I: Mineral Assemblages, Geochemical Characteristics, and Emplacement Ages. The Canadian Mineralogist, 56 (4) 555-602 doi:10.3749/canmin.1800008 | Journal (article/letter/editorial) | | A-6020 Innsbruck, Austria CHRISTOPH HAUZENBERGER Department of Earth Sciences, University of Graz, Universitätsplatz...contacts with the country rocks. If present, columbite-group phases (CGP) are the major rare-metal-bearing...primary pegmatite assemblages, (3) the nature of the Fe-Mn phases and their relative timing of crystallization...pegmatites, Eastern Alps, Texel Complex, U-Pb dating, columbite-group phases, cassiterite, titanite, staurolite...pegmatites contain spodumene 6 beryl 6 Nb-Ta-Sn oxides (Angel & Meixner 1953, Sassi 1969, Prohaska 1981, Koller |  | | Book | | Belakovskiy, L.A. Korshunova, V.O. Yapaskurt, L.C.A. de Oliveira, A.I. Bakhtin, A.G. Nikolaev, R. Gainov...130–140 In (Hg2)3(AsO4)2 (Baran et al. 1999b) VI Mn –O *310 Octahedra with 8 edges shared per MnO6...water preferably occupies unit cells in which Fe or Mn are substituted with calcium that is present in these...(MgR2+R2+)– OH–□ and (MgMgR3+)–OH–□ where R = Fe or Mn (Ishida and Hawthorne 2001). Consequently, taking...2001; see Table 1.6). As a result of annealing of Mn-bearing arfvedsonite in air, the OH stretching band |  | | Journal (volume) | | August, 2010 Budapest, Hungary Published by the Department of Mineralogy, Geochemistry and Petrology, University...Mineralogica-Petrographica is published by the Department of Mineralogy, Geochemistry and Petrology, University...University of Szeged, Szeged, Hungary © Department of Mineralogy, Geochemistry and Petrology, University............................319 EM61 Mineralogy of mine wastes and contaminated soil......................this was nicely shown for the case of oxidation of Mn(II) by bacteria [5]. Due to the rather low absorption |
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