 | Pršek, Jaroslav, Majka, Jaroslaw, Uher, Pavel, Chudík, Peter (2010) Niobium-tantalum minerals in the Skoddefjellet NYF granitic pegmatite, Svalbard Archipelago, Norway: Primary versus secondary assemblage. Neues Jahrbuch für Mineralogie - Abhandlungen, 187 (3) 235-248 doi:10.1127/0077-7757/2010/0172 | Journal (article/letter/editorial) | | Niobium-tantalum minerals in the Skoddefjellet NYF granitic pegmatite, Svalbard Archipelago, Norway: Primary versus secondary...of Nb-Ta mineralization in a granitic pegmatite from the Svalbard Archipelago, Arctic Caledonides and the...phases are discussed. The Skoddefjellet NYF pegmatite located in southwest Spitsbergen (Wedel Jarlsberg Land)...enriched in Ti, Y, Sc and Ca) and Nb,Ta,Ybearing titanite (≤ 3.8 wt. % Nb2O5, ≤ 1.9 wt. % Ta2O5, ≤ 2.9 wt...environment and increasing fluorine activity during the pegmatite evolution. The formation of secondary phases is |  | Majka, J., Pršek, J., Budzyń, B., Bačík, P., Barker, A. K., Łodziński, M. (2011) Fluorapatite-hingganite-(Y) coronas as products of fluid-induced xenotime-(Y) breakdown in the Skoddefjellet pegmatite, Svalbard. Mineralogical Magazine, 75 (1) 159-167 doi:10.1180/minmag.2011.075.1.159 | Journal (article/letter/editorial) | | fluid-induced xenotime-(Y) breakdown in the Skoddefjellet pegmatite, Svalbard J. MAJKA1,*, J. PRŠEK2, B. BUDZYŃ3...The pre-Caledonian NYF Skoddefjellet pegmatite in Wedel Jarlsberg Land, Svalbard, contains xenotime-(Y)...Ca- and F-bearing fluids interacting with the pegmatite. The occurrence of hinnganite-(Y) as a breakdown...There are few Ca-bearing primary phases in the pegmatite, indicating that the source of fluid was probably...of the pegmatite (i.e. beryl dissolution). K EY WORDS : xenotime, hingganite, apatite, pegmatite, Svalbard |  | Švecová, E., Čopjaková, R., Losos, Z., Škoda, R., Nasdala, L., Cícha, J. (2016) Multi-stage evolution of xenotime–(Y) from Písek pegmatites, Czech Republic: an electron probe micro-analysis and Raman spectroscopy study. Mineralogy and Petrology, 110 (6) 747-765 doi:10.1007/s00710-016-0442-6 | Journal (article/letter/editorial) | | alkali-rich fluids during the hydrothermal stage of the pegmatite evolution. The magmatic xenotime underwent intense...xenotime-(Y) from three granitic pegmatites of the Písek pegmatite field, Czech Republic. The chemical variability...Geological setting Moldanubian Zone The Písek pegmatite field is located 5–10 km E from the city of Písek...overprint (331–326 Ma). Pegmatites of the Písek pegmatite field Beryl-bearing pegmatites with abundant tourmaline...tourmaline are characteristic for the Písek pegmatite field. They intruded the migmatized gneisses of |  | Gorelova, Liudmila, Vereshchagin, Oleg, Cuchet, Stéphane, Shilovskikh, Vladimir, Pankin, Dmitrii (2020) Low-Temperature Crystal Chemistry of Hingganite-(Y), from the Wanni Glacier, Switzerland. Minerals, 10 (4) 322 doi:10.3390/min10040322 | Journal (article/letter/editorial) | | was found in a fissure in close association with titanite aggregate, abundant muscovite, some rare tabular...Si-rich bergslagite from a granitic pegmatite at Tennvatn, north Norway. GFF 2006, 128, 65–68. [CrossRef]...induced xenotime-(Y) breakdown in the Skoddefjellet pegmatite, Svalbard. Mineral. Mag. 2011, 75, 159–167....Ca)2 (Fe,)Be2 Si2 O8 (OH,O)2 from Heftetjern pegmatite. Acta Crystallogr. 2017, B73, 899–906. Frost, |  | | Journal (article/letter/editorial) | | Metasomatization of xenotime from the Hidra massif (SW Norway) produced Th-U-Si depleted domains with secondary...of F, Na and Ca during formation of ca. 370 Ma pegmatite (Budzyń et al., 2018). The re-equilibration of...gem-quality crystal (ca. D 1 cm in size) from pegmatite in the North-West Frontier Province (NWFP), Pakistan...composition SC (experimental charge of capsule vs. pegmatite) and, above all, to relatively short duration...observations of the xenotime megacryst from the pegmatite (Fig. 1). The fluid-induced reequilibration of |  | Budzyń, Bartosz, Harlov, Daniel E., Kozub-Budzyń, Gabriela A., Majka, Jarosław (2017) Experimental constraints on the relative stabilities of the two systems monazite-(Ce) – allanite-(Ce) – fluorapatite and xenotime-(Y) – (Y,HREE)-rich epidote – (Y,HREE)-rich fluorapatite, in high Ca and Na-Ca environments under P-T conditions of 200–1000 MPa and 450–750 °C. Mineralogy and Petrology, 111 (2) 183-217 doi:10.1007/s00710-016-0464-0 | Journal (article/letter/editorial) | | Petrík 2015) or fluorapatite and hingganite-(Y) in pegmatite (Majka et al. 2011). The P-T conditions for such...monazite-(Ce) used in experiments originates from a pegmatite from Burnet County, Texas, USA. This monazite-(Ce)...part of a gem quality, euhedral crystal from a pegmatite in the North-West Frontier Province (NWFP), Pakistan...(migmatitic gneiss, Sikkim Himalaya, India), muscovite (pegmatite, Siedlimowice, Sudety Mts., Poland), SiO2, CaF2...REE-rich epidote, Stc – REE-rich steacyite, Ttn – titanite, Wo – wollastonite, Xtm – xenotime-(Y), (Y,REE)-Ap |  | | Journal (article/letter/editorial) | | 2011) and subsequently from the Kvaløya Island (Norway) lamproite dike (Schingaro et al.,2014) . The yangzhumingite...of nepheline, olivine, clinopyroxene, garnet or titanite. Thus, Ashram-Eldor is not a “typical anorogenic...not occurred. For example, at the Fen Complex (Norway) such alteration has resulted in conversion of...Scotia (Papoutsa and PePiper, 2013), Skoddefjellet, pegmatite, Norway (Pršek et al., 2010), the Coldwell...carbonatite) in the Fen central complex, Telemark (South Norway). Lithos, 17, 227-245. Andreoli, M.A.G., Smith |  | | Report (issue) | | local garnet and muscovite, abundant aplite and pegmatite dikes JHgg.e equigranular granite foliated...and Kfeldspar pegmatite common sodic(?) amphibole and pyroxene, apatite and titanite common JHds pyroxenite...altered pristine igneous mineralogy, magnetite and titanite common JHdd diorite to quartz monzodiorite ...amphibole, coincide with K-feldspar-bearing phases, titanite, apatite, and magnetite common JHuhb hornblendite...concentrations ranging from 0 to 20%. Accessory euhedral titanite and euhedral to subhedral crystals of apatite |
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