 | | Journal (article/letter/editorial) | | University of Oslo, P.O. Box 1172 Blindern, 0318 Oslo, Norway Natural History Museum, Cromwell Road, London SW7...Bergen, Norway ABSTRACT The Late-Proterozoic Sveconorwegian pegmatite province in southern Norway and southwest...(Grenvillian) orogen and covers most of southern Norway and parts of southwestern Sweden, including the...this initial study to include areas of southern Norway, testing both (1) the link between granite and...PROVINCE 285 FIG. 2. (A) Simplified map of southern Norway and southwestern Sweden showing the domains and |  | | Journal (article/letter/editorial) | | in xenotime and monazite from granitic pegmatites, Hidra anorthosite massif, southwestern Norway: Mechanics...are documented in metasomatized regions in three xenotime crystals and one monazite crystal collected from...anorthosite intrusion located on the island of Hidra, southwestern Norway. Formation of these inclusions is demonstrated...fluids rich in alkali elements. Keywords: Monazite, xenotime, thorite, uraninite, dissolution-reprecipitation...alkalirich fluids Introduction Analytical method Xenotime [(Y,HREE)PO4] and monazite [(Ce,LREE)PO4] are relatively |  | | Journal (volume) | | Harald Breivik Hamre kobbergruve, Bygland, Aust-Agder 13 Henrik Friis Hexaniobater og lignende sjeldne...Gunnar Raade Blue, octahedral-substituted beryl from Norway: A case study of beryl and associated phenakite...Sillimanite in a granite pegmatite at Evje, Aust-Agder 37 Alf Olav Larsen A new find of sphaerobertrandite...sphaerobertrandite from the Larvik Plutonic Complex, Norway 45 Knut Edvard Larsen og Bjørn Kåre Stensvold Berylliummineraler...Eclarite from Bleka, Svartdal, Telemark county, Norway 65 Alf Olav Larsen (red.) Bleka grube. Utdrag |  | Hetherington, Callum J., Jercinovic, Michael J., Williams, Michael L., Mahan, Kevin (2008) Understanding geologic processes with xenotime: Composition, chronology, and a protocol for electron probe microanalysis. Chemical Geology, 254 (3) 133-147 doi:10.1016/j.chemgeo.2008.05.020 | Journal (article/letter/editorial) | | m g e o Understanding geologic processes with xenotime: Composition, chronology, and a protocol for electron...Article history: Accepted 28 May 2008 Keywords: Xenotime Electron microprobe Total Th–U–Pb dating Trace...Trace element analysis A B S T R A C T Xenotime (YPO4) is iso-structural with zircon-group minerals and...with monazite and zircon, naturally occurring xenotime may accommodate significant concentrations of rare...marker elements and a potential geochronometer. Xenotime grows in sediments during diagenesis, in low- |  | | Journal (article/letter/editorial) | | Minerals of Norway - the (almost) complete inventory Gunnar Raade Preamble A monographic survey of the...the minerals of Norway (Norges Mineraler) was published by Neumann (1985), covering all minerals recorded...and synonyms. A large number of minerals new to Norway have been recorded since the book appeared. The...attempt to list all accepted mineral species from Norway, including those from Neumann (1985) and later...& Nickel 2001). Names of minerals discovered in Norway after the edition of Neumann's monograph are in |  | | Report (issue) | | Xenotime-(Y) YPO4 c 2001-2005 Mineral Data Publishing, version 1 Crystal Data: Tetragonal. Point Group:...99.11 100.00 (1) Gloserheia pegmatite, Froland, Norway; by electron microprobe, average of 8 analyses;... Mineral Group: Forms a series with chernovite-(Y). Occurrence: An accessory mineral in alkalic to...but fine crystals are unusual. In Norway, from Lindesnes; on Hidra (Hitterö) Island; around Tvedestrand...of apatite and xenotime from the Gloserheia granite pegmatite, Froland, Southern Norway. Amer. Mineral |  | 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) | | 6 ORIGINAL PAPER Multi-stage evolution of xenotime–(Y) from Písek pegmatites, Czech Republic: an electron...degree of radiation damage, and alteration of xenotime from the Písek granitic pegmatites (Czech Republic)...analysis and Raman spectroscopy. Dominant large xenotime–(Y) grains enriched in U, Th and Zr crystallized...simultaneously with zircon, monazite and tourmaline. Xenotime is well to poorly crystalline depending on its...stage of the pegmatite evolution. The magmatic xenotime underwent intense secondary alteration, from rims |  | 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) | | Fluorapatite-hingganite-(Y) coronas as products of fluid-induced xenotime-(Y) breakdown in the Skoddefjellet...Svalbard, contains xenotime-(Y) that is partly replaced by fluorapatite-hingganite-(Y) reaction coronas...coronas. Hingganite-(Y) contains up to 2.0 wt.% of Gd2O3, 4.7 wt.% of Dy2O3, 3.3 wt.% of Er2O3 and 5.5 wt.%...Yb2O3. Such unusual, previously undescribed, xenotime-(Y) breakdown was caused by Ca- and F-bearing fluids...The occurrence of hinnganite-(Y) as a breakdown product of xenotime-(Y) implies that a Be-bearing phase |  | | Journal (article/letter/editorial) | | quartzolite; (3) during alteration of fergusonite-(Y) in a quartz-epidote metasomatite; (4) following exsolution...have shown limited mobility in these samples. K E Y WO R D S : ThSiO4, hydrothermal alteration, geochemical...references also being given in Table 1. Numerous Zr-Y-REE-Nb ore occurrences and deposits are associated...restricted to an occurrence in altered fergusonite-(Y). Important differences in the compositions of the...Keivy massif (sample 1-93) has low La/Ce, high Gd/Y, high Th (≤2.03 wt.% ThO2) and high Nb (≤1.13 wt.% |  | | Journal (article/letter/editorial) | | Despite having a relatively low molecular weight, Y is typically classified as a HREE, and Sc is not formally...Heavy Heavy Heavy 4.7 1 4 Tb Dy Ho Er Tm Yb Lu Sc Y 65 66 67 68 69 70 71 21 39 Terbium Dysprosium Holmium...electrons. Sc and Y are chemically similar to these elements and are also included, with Y classified as...Churchite–(Y) Crandallite Doverite [synchysite–(Y)] Eudialyte (Ce,Ca,Fe,Th)(Ti,Nb)2(O,OH)6 (Ce,Ca,Y)2(Al,Fe)3(SiO4)3(OH)...SrCe(CO3)2(OH).H2O Ca5(PO4,CO3)3(F,Cl,OH) (Ce,La)(CO3)F (U,Ca,Y,Ce)(Ti,Fe)2O6 (Ce,Ca)5(SiO4,PO4)3(OH,F) (Ca,Th,Ce)(PO4) |  | | Journal (article/letter/editorial) | | 641–652, 2012 Experimental incorporation of Th into xenotime at middle to lower crustal P-T utilizing alkali-bearing...Abstract In this study, a natural Th-absent xenotime [(Y+HREE)PO4], is enriched in specific areas with...analysis, and TEM indicate that a fraction of the xenotime grains in the 2 N KOH, Na2Si2O5 + H2O, and NaF...compositional boundaries that extend from the edge of the xenotime grain into the interior. Formation of these Th...coupled dissolution-reprecipitation. Keywords: Xenotime, thorite, coupled dissolution-reprecipitation |  | Ondrejka, M., Putiš, M., Uher, P., Schmiedt, I., Pukančík, L., Konečný, P. (2016) Fluid-driven destabilization of REE-bearing accessory minerals in the granitic orthogneisses of North Veporic basement (Western Carpathians, Slovakia) Mineralogy and Petrology, 110 (5) 561-580 doi:10.1007/s00710-016-0432-8 | Journal (article/letter/editorial) | | Chemical U-Th-Pb dating of m onazite-(Ce) and xenotime-(Y) reveal their primary magmatic Lower to Middle...Ordovician age (monazite: 472 ± 4 to 468 ± 6 Ma and xenotime: 471 ± 13 Ma) and/or metamorphic-anatectic Variscan...monazite-(Ce), xenotime-(Y), fluorapatite and allanite-(Ce). Fluid-induced breakdown of xenotime-(Y) produced...tiny uraninite inclusions within the altered xenotime-(Y) domains. The monazite-(Ce) breakdown produced...very fine-grained, nonstoichiometric mixture of REE-Y-Fe-Th-Ca-P-Si phases. Finally, allanite-(Ce) decomposed |  | | Journal (article/letter/editorial) | | experimental fluid-induced re-equilibration of xenotime Bartosz Budzyń, Jiří Sláma PII: DOI: Article...experimental fluid-induced re-equilibration of xenotime, LITHOS, https://doi.org/ 10.1016/j.lithos.2019...experimental fluid-induced re-equilibration of xenotime Bartosz Budzyńa,* ndbudzyn@cyf-kr.edu.pl, b.budzyn@ingpan...MANUSCRIPT Abstract Experimentally metasomatized xenotime was investigated in terms of preservation of U-Pb...650°C. Starting materials for experiments included xenotime (38.4±0.6 Ma), albite, K-feldspar, biotite, muscovite |  | Duran, Charley J., Seydoux-Guillaume, Anne-Magali, Bingen, Bernard, Gouy, Sophie, de Parseval, Philippe, Ingrin, Jannick, Guillaume, Damien (2016) Fluid-mediated alteration of (Y,REE,U,Th)–(Nb,Ta,Ti) oxide minerals in granitic pegmatite from the Evje-Iveland district, southern Norway. Mineralogy and Petrology, 110 (5) 581-599 doi:10.1007/s00710-016-0436-4 | Journal (article/letter/editorial) | | 4 ORIGINAL PAPER Fluid-mediated alteration of (Y,REE,U,Th)–(Nb,Ta,Ti) oxide minerals in granitic pegmatite...pegmatite from the Evje-Iveland district, southern Norway Charley J. Duran 1 & Anne-Magali Seydoux-Guillaume...the textural relations and chemical composition of (Y,REE,U,Th)–(Nb,Ta,Ti) oxide minerals in a granitic...pegmatite from the Evje-Iveland district, southern Norway, using a combination of scanning and transmission...micro-analysis and infrared absorption spectroscopy. The (Y,REE,U,Th)–(Nb,Ta,Ti) oxide mineral is euxenite, which |  | Andersson, Stefan S., Wagner, Thomas, Jonsson, Erik, Michallik, Radoslaw M. (2018) Mineralogy, paragenesis, and mineral chemistry of REEs in the Olserum-Djupedal REE-phosphate mineralization, SE Sweden. American Mineralogist, 103 (1) 125-142 doi:10.2138/am-2018-6202 | Journal (article/letter/editorial) | | monazite-(Ce) and xenotime-(Y) coexisting with fluorapatite and subordinate amounts of (Y,REE,U,Fe)-(Nb,Ta)...replacement of primary monazite-(Ce), xenotime-(Y), fluorapatite, and minor (Y,REE,U,Fe)-(Nb,Ta) oxide phase(s)...caused the formation of secondary monazite-(Ce), xenotime-(Y), fluorapatite, and minor amounts of allanite-(Ce)...thorite, columbite-(Fe), and uncharacterized (Th,U,Y,Ca)-silicates. Textural relations show that the d...preceded those affecting monazite-(Ce), xenotime-(Y), and the (Y,REE,U,Fe)-(Nb,Ta) oxide phase(s). The |  | Števko, M., Uher, P., Ondrejka, M., Ozdín, D., Bačík, P. (2014) Quartz-apatite-REE phosphates-uraninite vein mineralization near Čučma (eastern Slovakia): a product of early Alpine hydrothermal activity in the Gemeric Superunit, Western Carpathians. Journal of GEOsciences, 59 (3) 209-222 | Journal (article/letter/editorial) | | The quartz veins with primary fluorapatite, xenotime-(Y), monazite-(Ce) to monazite-(Nd), uraninite,...cheralite and huttonite components. Widespread xenotime-(Y) forms colloform aggregates or irregular aggregates...mineralization, enriched in monazite, rhabdophane, xenotime and other REE phosphate and carbonate phases,...mineralization commonly have significant REE and Y economic potential. However, even the knowledge of...Pelymsky (Tréger 1973) who described quartz, apatite, xenotime, uraninite, and pyrite as main minerals. Later |  | | Journal (article/letter/editorial) | | northern Sinai, Egypt: a provenance perspective Y. H. DAWOOD1,* 1 2 AND H. H. ABD EL-NABY2 Department...whereas Th-rich monazite is enriched in Th, U, Ca, Y, Si and Fe. The compositional variations of monazite...governed by the substitution of REE by Th, U, Ca and Y. The monazite grains show enriched chondrite-normalized...various detrital components, recent studies use Y. H. DAWOOD AND H. H. ABD EL-NABY mineral chemistry...care was taken to ensure that line overlaps were Y. H. DAWOOD AND H. H. ABD EL-NABY TABLE 1. Setup and |  | Macdonald, Ray, Bagiński, Bogusław, Zozulya, Dmitry (2017) Differing responses of zircon, chevkinite-(Ce), monazite-(Ce) and fergusonite-(Y) to hydrothermal alteration: Evidence from the Keivy alkaline province, Kola Peninsula, Russia. Mineralogy and Petrology, 111 (4) 523-545 doi:10.1007/s00710-017-0506-2 | Journal (article/letter/editorial) | | chevkinite-(Ce), monazite-(Ce) and fergusonite-(Y) to hydrothermal alteration: Evidence from the Keivy...phosphate [monazite-(Ce)] and an oxide [fergusonite-(Y)]. Textural evidence is taken to show that the dominant...fluids. Expansion cracks emanating from fergusonite-(Y) are filled with unidentified material containing...(HFSE) and actinides, such as monazite, zircon, xenotime, chevkinite and thorite, are prone to alteration...composition, allanite, apatite, rhabdophane, thorite, xenotime, and REE-carbonates (Poitrasson et al. 2000; SeydouxGuillaume |  | | Book (edition) | | brilliant yes Pseudomalachite Guyanaite Xenotime-(Y) Ramsdellite Reflection Colour & Ø Reflectance...purplish grey to greenish grey Euxenite-(Y) Fergusonite-(Y) bright green to brown isotropic, many scratches...very strong, orange brown to turquoise Samarskite-(Y) Phosphuranylite Calomel Marokite Plattnerite Uranocircite...yes brown 34 Polycrase-(Y) Henritermierite Hulsite Brochantite Gadolinite-(Y) Hemimorphite Benitoite...Schafarzikite Ilmenorutile Powellite Davidite(Ce, La, Y) Tapiolite-(Mn) Sphalerite Wurtzite Groutite Wolframite |  | Prokopyev, I.R., Doroshkevich, A.G., Ponomarchuk, A.V., Sergeev, S.A. (2017) Mineralogy, age and genesis of apatite-dolomite ores at the Seligdar apatite deposit (Central Aldan, Russia) Ore Geology Reviews, 81. 296-308 doi:10.1016/j.oregeorev.2016.10.012 | Journal (article/letter/editorial) | | hydrothermal stages with quartz, calcite, monazite-Ce, xenotime-Y, haematite, thorite, thorianite, sulphates and...range of elements: Ca, Mg, Mn, Fe, Sr, Ba, Th, U, Y, Nb, K, Na, Si, Al, Zr, Hf, Ti, La-Lu. To assess the...barite-celestine, anhydrite, thorite, TE thorianite, xenotime-(Y), siderite, pyrite, and galena are present as...monazite(Ce) inclusions, with minor thorianite, xenotime-(Y), haematite, quartz and anhydrite (Fig. 5b, c)...admixtures of TiO2 (up to 0.4 wt. %). Thorianite and xenotime-(Y) both occur as fine mineral inclusions in apatite |  | | Journal (article/letter/editorial) | | PAPER Experimental metasomatism of monazite and xenotime: mineral stability, REE mobility and fluid composition...low Th monazite from a Malawi carbonatite, and a xenotime from a pegmatite in northern Pakistan were experimentally...degrees of partial dissolution in the monazite and xenotime, but no compositional alteration. Partial replacement...et al. 2002a, b, 2005), as well as monazite and xenotime (Ayers et al. 2006; Hetherington and Harlov 2008)...which is a common observation in monazite and xenotime in metamorphic rocks (Harlov et al. 2007; Hetherington |  | Lisowiec, Katarzyna, Budzyń, Bartosz, Słaby, Ewa, Renno, Axel D., Götze, Jens (2013) Fluid-induced magmatic and post-magmatic zircon and monazite patterns in granitoid pluton and related rhyolitic bodies. Geochemistry, 73 (2) 163-179 doi:10.1016/j.chemer.2012.07.005 | Journal (article/letter/editorial) | | interaction which is indicated by elevated contents of Y, P, Th, and U in altered zircon domains. This can...monazite from the granite are accompanied by fluorite, Y-rich and Nb-rich minerals. The alteration of primary... Some of them, particularly zircon, monazite, xenotime, and apatite are the main hosts of rare earth...Fl, fluorite; Ilm, ilmenite; Mnz, monazite; Xnt, xenotime; Zrn, zircon. ∗ Corresponding author at: University...crystal Standard Peak and background time [s] Al Y Pr Dy Si P Nd Tb Pb Sm Tm Th Eu Yb U Gd Ho Ca La Ce |  | Budzyn, B., Harlov, D. E., Williams, M. L., Jercinovic, M. J. (2011) Experimental determination of stability relations between monazite, fluorapatite, allanite, and REE-epidote as a function of pressure, temperature, and fluid composition. American Mineralogist, 96 (10) 1547-1567 doi:10.2138/am.2011.3741 | Journal (article/letter/editorial) | | the principal hosts for the rare earth elements (Y+REE) in the Earth’s crust and lithospheric mantle...zoning. The altered zones are depleted in Th, U, Ca, Y, and HREE. Large grains of britholite-fluorapatite...zoning. The altered zones are depleted in Th, U, Ca, Y and HREE. Large grains of britholitefluorapatite and...29 wt% of SiO2, 2.16 wt% of ThO2, and 7.84 wt% of (Y+REE)2O3 (Table 8). Also, thorianite was observed as...Blank = below detection limit. All analyses of U, As, Y, Eu, Gd, Er, Tb, Dy, Ho, Tm, Yb, Lu, Na, and Cl are |  | | Journal (article/letter/editorial) | | crystal Pr Nd Mn Sm Fe Gd Er Dy Yb Ho F Na Sr Si Y P Ca Cl La Ce As S L L K L K L L L L L K K L K L...Ca 285 Yb L LIF REE3 3100 S L LIF REE2 7310 328 Ho Y 977 F K TAP phlogopite 2344 Si 970 Na K TAP albite...wollastonite 216 TAP SrTiO 3 615 Sr L TAP YAG 487 Y L acceleration voltage 20 kV, beam current 50 nA...01 0.01 0.001 0.01 0.37 12.11 1.63 0.05 < 0.01 U Y La Ce Pr Nd Sm Eu Gd Tb ppm ppm ppm ppm ppm ppm ppm...per formula unit on the basis of 13 oxygens P Si Y La Ce Pr Nd Sm Gd Ca Mn Sr Na F OH Total cations |  | | Journal (article/letter/editorial) | | 1007/s00410-011-0650-3 ORIGINAL PAPER Response of xenotime to prograde metamorphism Birger Rasmussen • Ian...online: 27 May 2011 Ó Springer-Verlag 2011 Abstract Xenotime is a widespread accessory mineral in lower greenschist...Palaeoproterozoic Mount Barren Group, southwestern Australia. Xenotime is closely associated with detrital zircon, commonly...staurolite-bearing mica schists. In situ geochronology of xenotime from lower greenschist sandstones has previously...thermal event, respectively. New U–Pb dating of xenotime in slate yields a major population at *1.7 Ga |
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Hidra, Flekkefjord, Agder, Norway