 | | Journal (article/letter/editorial) | | DYSPROSIAN XENOTIME-(Y) FROM THE ANNIE CLAIM #3 GRANITIC PEGMATITE, SOUTHEASTERN MANITOBA, CANADA: EVIDENCE...University of Manitoba, Winnipeg, Manitoba R3T 2N2, Canada ABSTRACT Dysprosian xenotime-(Y) was found...pod of lepidolite-subtype granitic pegmatite within the Greer Lake intrusion of pegmatitic granite, in...Subprovince of the Superior Province, in southeastern Manitoba. It occurs as microscopic inclusions in spessartine...manganotantalite, microlite, zircon and apatite. The xenotime-(Y) contains up to 14.88 wt.% Dy2O3 (and 7.59 |  | | Report (issue) | | Xenotime-(Yb) Crystal Data: Tetragonal. aggregates to 50 ÎŒm. Yb(PO4) Point Group: 4/m 2/m 2/m. Physical...Z=4 X-ray Powder Pattern: SHE-5 pegmatite, southeastern Manitoba, Canada. 3.437 (10), 2.556 (8), 4.515...26 8.75 27.25 95.75 (1) SHE-5 pegmatite, southeastern Manitoba, Canada; average electron microprobe analysis;...subtype of the NYF family of rare-element granitic pegmatite. Association: Ferrian muscovite, ferrocolumbite...From the SHE-5 pegmatite, Twp. 16, Rge. 15 EPM, southeastern Manitoba, Canada. Name: Xenotime from the Greek |  | | Journal (article/letter/editorial) | | 39, pp. 717-727 (2001) AUTHIGENIC MONAZITE AND XENOTIME FROM PELITIC METACHERTS IN PUMPELLYITEâACTINOLITE-FACIES...I-16132 Genova, Italy ABSTRACT Monazite-(Ce) and xenotime-(Y) were found in the metacherts (pumpellyiteâactinolite-facies...recrystallization of the clay fraction. Keywords: monazite, xenotime, metapelite, chert, rare-earth elements, Liguria...et le xĂ©notime-(Y) dans des mĂ©tacherts (conditions du faciĂšs Ă pumpellyiteâactinolite: 3 †P †4 kbars...connus dans des mĂ©tapĂ©lites Ă©quilibrĂ©es aux conditions du faciĂšs des schistes verts. DâaprĂšs les indications |  | | Journal (article/letter/editorial) | | Semenov (1963) considered examples of the known pegmatite fields spatially and/or genetically related to... Some most characteristic pegmatite fields and individual large pegmatite bodies Corresponding author:...aenigmatite group; new mineral species from pegmatites of Canada and Norway were described by Arden and Halden (1999)...the list of minerals from rare-metalârare earth pegmatite will be replenished. The necessity of dividing...and volatiles Examples of pegmatite fields and separate bodies Ta, Nb, Y, Yb, F, (H2O) Mount Ploskaya |  | | Journal (article/letter/editorial) | | igneous association. Zircon, monazite-(Ce), and xenotime-(Y) constitute important radioactive accessory...uncommon accessory phase is late-magmatic ytterbian xenotime-(Y) containing up to 11.2 wt% Yb2O3, in addition...Pb monazite age, beryllium, tantalum, ytterbian xenotime-(Y), ongonite, post-collisional setting Introduction...cassiterite, titanite, zircon, monazite-(Ce), and xenotime-(Y). The microgranite (âApogranitporphyrâ of Tzschorn...minerals in the Seiffen granite are monazite-(Ce), xenotime-(Y), and zircon. Thorite and uraninite were not |  | Moelo, Y., Lulzac, Y., Rouer, O., Palvadeau, P., Gloaguen, E., Leone, P. (2002) SCANDIUM MINERALOGY: PRETULITE WITH SCANDIAN ZIRCON AND XENOTIME-(Y) WITHIN AN APATITE-RICH OOLITIC IRONSTONE FROM SAINT-AUBIN-DES-CHATEAUX, ARMORICAN MASSIF, FRANCE. The Canadian Mineralogist, 40 (6) 1657-1673 doi:10.2113/gscanmin.40.6.1657 | Journal (article/letter/editorial) | | MINERALOGY: PRETULITE WITH SCANDIAN ZIRCON AND XENOTIME-(Y) WITHIN AN APATITE-RICH OOLITIC IRONSTONE FROM...pretulite has been identified with scandian zircon and xenotime-(Y) in an apatite-rich oolitic Ordovician ironstone...Characteristic compositions in the pretulite â xenotime-(Y) â zircon system are: Prl 0.973Xnt 0.020Zrn...complete solid-solution between zircon and pretulite. Xenotime-(Y), also epitactic on zircon, shows distinct...Keywords: scandium, phosphate, pretulite, zircon, xenotime-(Y), iron ore, Ordovician, Armorican Massif, France |  | | Journal (article/letter/editorial) | | ORIGINAL PAPER Composition of coexisting zircon and xenotime in rare-metal granites from the KruĆĄnĂ© Hory/Erzgebirge...Springer-Verlag Wien 2013 Abstract Zircon and xenotime, from two mineralogically and chemically contrasting...are characterized by a variety of complex zircon-xenotime textures. They are usually strong hydrated and...lower P and higher Y (up to 0.15 apfu Y). The xenotime-type substitution is the most important mechanism...post-magmatic hydrothermal alteration (greisenization). Xenotime from P-poor granites displays a considerable enrichment |  | | Journal (issue) | | northern part of the city is no exception. In this area, rock of the upper Cretaceous Austin Group is exposed...a fine powder. Continued on page 4 News -o f Pegmatite Mining in Wes tern Australia Mark Ivan Jacobson...Ramon, CA 90583, USA Durin g the last decade, pegmatite prospecting and mining in Western Australia has...talum, tin, and lithium from the Greenbushes pegmatite and the Mt. Cassiterite-Wodgina Main Lode pegmatites...value of the pegmatite is sufficiently high, mining closes off access to the pegmatite. After mining |  | | Journal (article/letter/editorial) | | complete destruction of magmatic monazite and xenotime during interaction with a F-CO2 -Ca-bearing, late-magmatic...minerals such as allanite, monazite, apatite, xenotime, zircon, thorite, and uraninite (e.g. Bea, 1996;...earlier records of synchysite from the PyoĂroĂnmaa pegmatite, Finland, and the Grebnik bauxites, Yugoslavia...1960), where it occurs in aggregates mixed with xenotime, hematite, and quartz. Other occurrences of synchysite-(Y)...1959); (2) the replacement unit of the Henry pegmatite, Colorado, where it is intimately associated with |  | | Journal (article/letter/editorial) | | volcaniclastic breccia complex, northwestern Ontario, Canada Received: 10 January 2005 / Accepted: 6 June 2005...thortveitite; uraninite; vanadian crichtonite; xenotime-(Y); zircon and hydrated zircon; and zirconthorite-coïŹnite...dolomite-ankerite and calcite with accessory zircon, xenotime, and monazite. Barite, baotite and Barich feldspars...University, 955 Oliver Road, Thunder Bay, Ontario, CANADA P7B 5E1 E-mail: rmitchel@lakeheadu.ca Tel.: +1-807-3438287...alkaline complex and 20 km south of the Prairie Lake carbonatite complex (Fig.1). Although the term âdiatremeâ |  | | Journal (article/letter/editorial) | | DOI 10.1007/s00410-015-1191-y ORIGINAL PAPER Xenotimeâ(Y) formation from zircon dissolutionâprecipitation...Heidelberg 2015 Abstract We present an example where xenotime-(Y) together with metamorphic zircon replaces...(relict) + P-bearing fluid = zircon2 (metamorphic) + xenotime. During the Brasiliano orogeny at 634 ± 19 Ma...of replacement as indicated by the presence of xenotime and associated porosity, from almost pristine...of Zr and REE at the scale of the thin section. Xenotime-(Y) occurs together with other phosphates, Communicated |  | | Journal (article/letter/editorial) | | 2015), with Ingrao et al. (2019) showing that Sm and Yb can also be divalent under ultra-reducing conditions...Valence 3+ 4+ Zr Tb Pr Hf U Th Ce Lu Tm Ho Sc Yb Er YDy Tb Eu Gd Nd Sm Pr Ce La Mg 90 Sr Ca...of the sample, with a small window cut around the area of interest (~2 mm high, 3 mm wide). Scans were...were conducted at 10 locations within this area. Reference materials were: (1) commercially available Pr6O11...two localities: the type locality at Stetind pegmatite in Tysfjord, Norway (Fig. 3a; SchlĂŒter et al. |  | 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 ThâUâPb 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 signiïŹcant concentrations of rare...marker elements and a potential geochronometer. Xenotime grows in sediments during diagenesis, in low- |  | Ć vecovĂĄ, E., ÄopjakovĂĄ, R., Losos, Z., Ć koda, R., Nasdala, L., CĂcha, J. (2016) Multi-stage evolution of xenotimeâ(Y) from PĂsek 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) | | 1007/s00710-016-0442-6 ORIGINAL PAPER Multi-stage evolution of xenotimeâ(Y) from PĂsek pegmatites, Czech Republic: an...degree of radiation damage, and alteration of xenotime from the PĂsek granitic pegmatites (Czech Republic)...analysis and Raman spectroscopy. Dominant large xenotimeâ(Y) grains enriched in U, Th and Zr crystallized...simultaneously with zircon, monazite and tourmaline. Xenotime is well to poorly crystalline depending on its...the hydrothermal stage of the pegmatite evolution. The magmatic xenotime underwent intense secondary alteration |  | | Journal (issue) | | MONTCEAU-LES-MINES. Centre Daniel Detilleux, 5, rue du Mexique. Beurs (M). Geonieuws 25(4), april 2000...kwaliteit komt volgens de literatuur uit de Marlborough Area in Queensland. Het wordt er gevonden in de verweringsresten...dezelfde vindplaats genoemd zijn : Rauenthal en Vallon du Phaunoux zijn immers de Duitse en Franse benaming...en gevangenis voor de mijnbouwers. Ook het âMaison du receveur des dĂźmesâ dateert uit die periode. Hier...bezoek start in Sainte-Marie-aux-Mines aan het âCentre du Patrimoine Minierâ waar men van een batterij en mijnlamp |  | | Journal (issue) | | Ann Arbor, Ml Andrew C. Roberts Geol. Surv. of Canada Ottawa George W. Robinson Seaman Mineral Museum...19901994. Recently, the Mineralogical Association of Canada ex pressed an interest in picking up the series...Jr., 320 Strathroyal Ave., Strathroy, Ontario, Canada N7G 3G4 tjokela@execulink.com (519) 245-2741 268...free in each v.21/#5. v.21/#6 N anisivik m ine (Canada). De Kalb (N Y ), M urfreesboro (A R) A ustralian...Kalahari update (So. Afr.), Seriphos (G reece), Lake George m ine (N ew Bruns), W attersite $10 v.22/#5 |  | | Book (edition) | | only about distance from a better known town in the area but also about the administrative regional units...USA, UK, and the provinces Ontario and Quebec in Canada, generally well known to readers. However, the...California, in fine crystals in talc near Wenatchee Lake, Chelan co., Washington, also at Sulzer, Prince...celestine, fluorite, and jarlite in cryolite pegmatite at Ivigtut, Greenland. MR 24, 36, 1993. Adamite...2V =78-82°. Radioactive. From alkaline syenite pegmatite in the Tatarka massif, Yenisey Kryazh, Krasnoyarsk |  | | Report (volume) | | mineral phase in the human body. Monazite and xenotime are highlighted in a fourth chapter, which includes...Structure, and Properties of Monazite, Pretulite, and Xenotime Lynn A. Boatner PROPERTIES OF RARE-EARTH-, Sc-...90 CRYSTAL GROWTH OF MONAZITE, PRETULITE, AND XENOTIME ............................... 91 Flux growth...CHEMICAL SYNTHESIS OF MONAZITE, PRETULITE, AND XENOTIME ....................... 97 Urea precipitation................ 102 Single-crystal monazite and xenotime structural refinements ...................... |
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