 | | 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 system’s 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 Martín; C.C.330 (5.500) Mendoza, Argentina Petr...Ta–Nb–Sn–Ti 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., Gäbler, H.-E., Lodziak, J., Syritso, L.F. (2015) Mineral chemistry of columbite–tantalite 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 columbite–tantalite 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 Columbite–tantalite Niobium–tantalum ore deposits LA-ICP-MS...differentiated albite–spodumene 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 |  | | 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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Fonte del Prete, San Piero in Campo, Campo nell'Elba, Livorno Province, Tuscany, Italy