 | | Journal (article/letter/editorial) | | MINIFLOOD OF Ca IN GRANITIC PEGMATITES: AN OPEN-SYSTEM ACID-REFLUX MODEL INVOLVING PLAGIOCLASE IN THE EXOCONTACT...Rome, Italy Abstract As Richard H. Jahns used to say, granitic pegmatites are prone to stew in their...their own juice. The early juice acts as a catalyst in transforming the early-formed disordered K-feldspar...below 450°C. As it becomes progressively enriched in fluorine during the systemâs evolution, the exsolved...pegmatites. There, it interacts with plagioclase in any lithology it encounters. As the plagioclase is |  | 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) | | SPODUMENE-BEARING RARE-ELEMENT GRANITIC PEGMATITE, SAN LUIS, ARGENTINA Miguel Angel GALLISKI§ and Maria...CRICYT (CONICET), Avda. Ruiz Leal s/n, Parque Gral. San MartĂn; C.C.330 (5.500) Mendoza, Argentina Petr...TaâNbâSnâTi oxide minerals in the La Viquita spodumene-bearing granitic pegmatite, San Luis, Sierras Pampeanas...Early phases consist of minor columbite-(Fe) in the border and wall zones. In the intermediate zones, formed... homogeneous or oscillatory-zoned columbite-(Fe) crystals occur in the outer parts. They show a fractionation |  | Badanina, E.V., Sitnikova, M.A., Gordienko, V.V., Melcher, F., GĂ€bler, H.-E., Lodziak, J., Syritso, L.F. (2015) Mineral chemistry of columbiteâtantalite from spodumene pegmatites of Kolmozero, Kola Peninsula (Russia) Ore Geology Reviews, 64. 720-735 doi:10.1016/j.oregeorev.2014.05.009 | Journal (article/letter/editorial) | | elsevier.com/locate/oregeorev Mineral chemistry of columbiteâtantalite from spodumene pegmatites of Kolmozero...o Article history: Received 7 June 2013 Received in revised form 8 May 2014 Accepted 13 May 2014 Available...Available online xxxx Keywords: LCT family pegmatites Columbiteâtantalite Niobiumâtantalum ore deposits LA-ICP-MS...differentiated albiteâspodumene pegmatites at Kolmozero in the Kola Peninsula is evaluated. Concentric zoning...pegmatites, was not observed in the Kolmozero pegmatites. Columbite-group minerals occur in all main parageneses |  | Szuszkiewicz, Adam, Pieczka, Adam, SzeĆÄg, Eligiusz, Turniak, Krzysztof, Ilnicki, SĆawomir, Nejbert, Krzysztof (2016) The Euxenite-Group Minerals and Products of Their Alteration In The Hybrid Julianna Granitic Pegmatite, PiĆawa GĂrna, Sudetes, Southwestern Poland. The Canadian Mineralogist, 54 (4) 879-898 doi:10.3749/canmin.1600023 | Journal (article/letter/editorial) | | EUXENITE-GROUP MINERALS AND PRODUCTS OF THEIR ALTERATION IN THE HYBRID JULIANNA GRANITIC PEGMATITE, PIĆAWA GOÌRNA...magmatic minerals in the sequence of (Y,REE,U,Th)â(Nb,Ta,Ti) oxides: columbite-(Fe) Ti-bearing ixiolite...samarskite-group minerals [ishikawaite samarskite-(Y)] EGM in the moderately fractionated granitic pegmatites of...Ta/(Ta ĂŸ Nb) and Mn/(Mn ĂŸ Fe) from F-poor and LREE-depleted melt. The variation in their composition results...vector. Metasomatic alteration of the EGM resulted in the formation of a variety of secondary pyrochlore |  | Harlaux, Matthieu, Marignac, Christian, Cuney, Michel, Mercadier, Julien, Magott, RĂ©mi, Mouthier, Bernard (2015) Nb-Ti-Y-HREE-W-U Oxide Minerals With Uncommon Compositions Associated With the Tungsten Mineralization In the Puy-Les-Vignes Deposit (Massif Central, France): Evidence For Rare-Metal Mobilization By Late Hydrothermal Fluids With A Peralkaline Signature. The Canadian Mineralogist, 53 (4) 653-672 doi:10.3749/canmin.1400096 | Journal (article/letter/editorial) | | COMPOSITIONS ASSOCIATED WITH THE TUNGSTEN MINERALIZATION IN THE PUY-LES-VIGNES DEPOSIT (MASSIF CENTRAL, FRANCE):...located in the northwestern part of the French Massif Central, is a remarkable occurrence in the West...paragenesis composed of zircon, xenotime, monazite, Nb-Fe-W rutile, and Nb-Ti-YHREE-W-U oxide minerals (hereafter...group of anatase-columbite solid solution and a second group of euxenite-(Y)-columbite solid solution....NTox were formed during multi-phase crystallization in an open system by the mixing of two different hydrothermal |  | | Book (edition) | | understanding that he would stay on as coauthor, in particular with his contribution, the revised and...most asked for afier the 9th edition of the Glossary in 2004. Unfortunately Joe passed away beforc wc could...Encyclopedia of Minerals. Those who contributcd data are (in alphabetical order): Thomas Armbrusler (Switzerland)...Republic). W.D. Birch (Australia), Elena Bonaccorsi (Italy), Ernst A.J. Burke (Netherlands), L.J. Cabri (Canada)...M. Dcliens (Belgium). Giancarlo Delia Ventura (Italy), T.S. Ercit (Canada). Alexander Falster (USA). |
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