| | Report (issue) | able.pdf. Cover. The Mountain Pass Mine, San Bernardino County, California, was the only active producer...............................................O21 Mine Waste Characteristics.........................................................................O22 Mine Closure...........................................Figures O1. O2. O3. O4. O5. Graph showing world mine production of rare-earth oxides, by country and...O6 Photograph of the Mountain Pass Mine in San Bernardino County, California, which was the only active | | | Journal (article/letter/editorial) | zircon ((Hf,Zr)SiO4) is an important source of zirconia (zirconium dioxide ZrO2), zirconium (Zr) and hafnium...magnetite (Fe2+Fe3+2O4), monazite ((Ce,La,Th,Nd,Y)PO4), xenotime ((Y,Yb)(PO4)), garnet (X3Y2Si3O12 (where X is...is most commonly Fe, Mg, Ca, or Mn, Y is most commonly Al, Fe3+ or Cr)), diamonds (C) , chromite (Fe2+Cr2O)...(Charlier et al., 2015). In Canada, the currently-active mine on the Lac Tio (or Allard Lake) deposit is an ilmenite-rich...(Charlier et al., 2015). In China, the currently-active mine on the Damiao deposit is located within a the Damiao | | Lenz, Christoph, Talla, Dominik, Ruschel, Katja, Å koda, Radek, Gƶtze, Jens, Nasdala, Lutz (2013) Factors affecting the Nd3+ (REE3+) luminescence of minerals. Mineralogy and Petrology, 107 (3) 415-428 doi:10.1007/s00710-013-0286-2 | Journal (article/letter/editorial) | study of the accessory minerals zircon (ZrSiO4), xenotimeā(Y) (YPO4), monaziteā(Ce) (CePO4) and their synthetic...work. In this study, the Nd3+ hosts zircon, xenotimeā(Y) and monaziteā(Ce) and their synthetic analogues...specimens including monaziteā(Ce), Zircon and xenotimeā(Y) and/or their synthetic analogues (see Table...with respect to the crystallographic orientation (xenotime and zircon samples), Table 1 Overview of samples...synthetic cheralite + āNa-Th substitutionā Ce1-x-y Ca0.5xNay/3Th0.5+2y/3[PO4] almost pure crystals doped | | | Journal (article/letter/editorial) | pegmatite: Evidence for different mobility of Sc, Y, REE and Zr in hydrothermal conditions Jakub VĆ½ravskĆ½...the nodule containing pretulite precursors - Sc, Y, U, P-rich zircon and Sc,W-rich ixiolite - proceeded...complete dissolution of Sc, Y, U, P-rich zircon I. In-situ reprecipitation produced Y, U-depleted zircon II...inclusions of xenotime II and pretulite A (0.88ā0.92 apfu Sc, 0.04ā0.07 apfu Zr, b 0.03 apfu Y). During the...(0.21ā0.89 apfu Sc, 0.09ā0.78 apfu Zr, ā¤0.07 apfu Y). The origin of pretulite C (almost ideal ScPO4) closely | | | Journal (article/letter/editorial) | 39, pp. 717-727 (2001) AUTHIGENIC MONAZITE AND XENOTIME FROM PELITIC METACHERTS IN PUMPELLYITEāACTINOLITE-FACIES...I-16132 Genova, Italy ABSTRACT Monazite-(Ce) and xenotime-(Y) were found in the metacherts (pumpellyiteāactinolite-facies...recrystallization of the clay fraction. Keywords: monazite, xenotime, metapelite, chert, rare-earth elements, Liguria...avons dĆ©couvert la monazite-(Ce) et le xĆ©notime-(Y) dans des mĆ©tacherts (conditions du faciĆØs Ć pumpellyiteāactinolite:...Italie. INTRODUCTION Members of the monazite and xenotime groups (Mandarino 1999, Buck et al. 1999) occur | | Wu, Lun, Ma, Liqiang, Huang, Gen, Li, Jihui, Xu, Hongxiang (2022) Distribution and Speciation of Rare Earth Elements in Coal Fly Ash from the Qianxi Power Plant, Guizhou Province, Southwest China. Minerals, 12 (9) 1089 doi:10.3390/min12091089 | Journal (article/letter/editorial) | that China contributed about 63% of the worldās REE mine production in 2019 [30]. As is known to all, China...)Ā·H2 O), monazite ((Ce, La, Th, Nd)PO4 ), and xenotime ((Y, Er)PO4 ) [35]. Due to its low volatility, REEs... Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, Lu, and Y. Traditionally, the REEs are divided into LREEs and...consists of Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, Lu, and Y. The full name of REO is rare earth oxide. Seredin...relative demand in industry: Critical (Nd, Eu, Tb, Dy, Y, and Er), Uncritical (La, Pr, Sm, and Gd), and Excessive | | | Report (volume) | (Ce) or yttrium VII MINERALS OF THE RARE EARTHS (Y); for example, the formula for calkinsite is given...63 - 64 65 - 66 - 67 - 68 - 69 70 71 Yttrium (Y)- - - 39 'Promethium is a radioactive element with...Thorian brannerite- - - - - - - - Ā·Ā· Abukumalite - (Y, Ce, Ca) 5 (Si0 4 , P0 4 ) 3 (0, OH, F) Aeschynite...20 6 - - - - - Also eschynite Agardite - - - - - (Y, Ca, H) Cu6 [(As04)3 (OH) 6 ] ā¢ 3H20 Allanite - -...) 2 (OH) Ā· H 20- - - - - - Ashcroftine - K Na Ca [Y(OHhb [Si60 12 (OH) 6 ] ā¢ 4H 20 - Tentative formula | | | Journal (article/letter/editorial) | Universityof Texas at Austin, Austin, TX 78712, USA bBureau of Economic Geology, Universityof Texas at...78713-7508, USA CNevadaBureau of Mines and Geology, UniversityofNevada-Reno, Reno, NV89557-0088, USA (Received...elements, including Be, rare-earth elements (REE), Y, Nb, Mo, Hf, Pb, Th and U. The Sierra Blanca intrusions...convergence and subduction off the west coast of North America (Henry et al., 1991 ). As with other magmatic...and possible bastnaesite (CeCO3F) and euxenite ( (Y, Ca,Ce,U,Th) (Nb,Ta,Ti)206). Silica content in the | | Atencio, Daniel, Andrade, Marcelo B., Bindi, Luca, Bonazzi, Paola, Zoppi, Matteo, Stanley, Chris J., Kristiansen, Roy (2018) Kenoplumbomicrolite, (Pb,ā”)2Ta2O6[ā”,(OH),O], a new mineral from Ploskaya, Kola Peninsula, Russia. Mineralogical Magazine, 82 (5) 1049-1055 doi:10.1180/minmag.2017.081.082 | Journal (article/letter/editorial) | International Mineralogical Association (IMA2015-007a). K E Y WO R D S : kenoplumbomicrolite, pyrochlore supergroup...cation) of the dominant valence (or H2O or ā”) at the Y site. The second prefix refers *E-mail: datencio@usp...is the mineral kenoplumbomicrolite, which involves Y = ā” and A = Pb. Indeed, although several āplumbomicroliteā...species that exhibits predominantly vacant A and Y sites. Old chemical data refer to wet-chemical analyses...caysichite-(Y), churchite-(Y), columbite-(Mn), emplectite, fergusonite-(Y), fluorite, gadolinite(Y), gahnite | | | Journal (article/letter/editorial) | com/locate/lithos Reaction microtextures of REEāYāThāU accessory minerals in the Monte Capanne pluton...Geology, Norwich University, Northfield, Vermont, USA b Received 4 March 2003; accepted 23 April 2004...occurrence of contrasting reaction microtextures of REEāYāThāU accessory minerals in the Monte Capanne anatecticāhybrid...peraluminous, anatecticā hybrid pluton. ThāUāREEāY accessory minerals are involved in some unusual microtextures...as well as being characterized by a peculiar TiāNbāYāU-rich mineralogical assemblage (Aurisicchio et al | | | Book | associated LREE minerals in central India. Several xenotime-bearing stream placer occurrences identiļ¬ed in...offer scope for exploration inputs for augmenting xenotime-bearing stream placer resources. Carbonatite-hosted...Singhbum Shear Zone (SSZ), Jharkhand, notably the xenotime concentrations in the Kanyaluka area along the... . . . . . . . . . . . . . . . . . . . . . 3.7 North Eastern India . . . . . . . . . . . . . . . . ....Carbonatite, Udaipur District, Rajasthan . . . 4.5 North-East India . . . . . . . . . . . . . . . . . . | | | Book (chapter) | gem tausonite, Nassau 216 (1980). zenotime = xenotime-(Y), Sinkankas 292 (1972). zenzenite = zenzĆ©nite...Ciriotti et al. 302 (2009). zĆ©olite noir = gadolinite-(Y), Egleston 131 (1892). zeolite NU-87 = gottardite...Egleston 375 (1892). zĆ©olithe noir = gadolinite-(Y), Egleston 375 (1892). zĆ©olithe radiĆ©e = natrolite...249 (1939). Zirconia (Swarovski et al.) = synthetic gem tazheranite, Read 245 (1988). zirconia (McMurdie...(McMurdie et al.) = baddeleyite, PDF 37-1484. zirconia titanate = aeschynite, Pekov 20 (1998). zirconite = red-brown | | | Book (edition) | Corporate Drive, Suite 400, Burlington MA 01803, USA First published 1962 Second edition 1970 Third edition...Canada, Germany, Thailand, Vietnam, the UK and the USA, making this a truly international collaboration...consequence of the appearance in quantity of cubic zirconia, an extremely successful simulant of diamond,...First Edition For two decades, an earlier work of mine ā Practical Gemmology ā has proved a useful elementary...gabbros and basalts, and in some areas such as north-west Scotland, the parallel or radial arrays of | | Ruschel, Katja, Nasdala, Lutz, Kronz, Andreas, Hanchar, John M., Tƶbbens, Daniel M., Å koda, Radek, Finger, Friedrich, Mƶller, Andreas (2012) A Raman spectroscopic study on the structural disorder of monaziteā(Ce) Mineralogy and Petrology, 105 (1) 41-55 doi:10.1007/s00710-012-0197-7 | Journal (article/letter/editorial) | Boulevard, 120 Lindley Hall, Lawrence, KS 66045-7613, USA Present Address: D. M. Tƶbbens Helmholtz-Zentrum...reference Arendal Burnet Arendal, Norway Burnet County, TX, U.S.A. 930Ā±17 1096Ā±8 EPMA EPMA Seydoux-Guillaume...unpublished data FF Central Australia San Miguel County, NM, U.S.A. Managoutry pass, Madagascar Madagascar...and Ca; 15 and 30s), and synthetic YPO4 (for P and Y; 30s). The background counting times were always set...Th); U (for U); synthetic PbS (for Pb); and YAG (for Y), and natural spessartine (for Si). The counting times | | Grew, Edward S., Armbruster, Thomas, Medenbach, Olaf, Yates, Martin G., Carson, Christopher J. (2007) Chopinite, [(Mg,Fe)3ā»(PO4)2, a new mineral isostructural with sarcopside, from a fluorapatite segregation in granulite-facies paragneiss, Larsemann Hills, Prydz Bay, East Antarctica. European Journal of Mineralogy, 19 (2) 229-245 doi:10.1127/0935-1221/2007/0019-1712 | Journal (article/letter/editorial) | Bryand Research Center, Orono, Maine 04469-5790, USA *Corresponding author, e-mail: esgrew@maine.edu 2Laboratorium...chopinite-bearing specimen include wagnerite-Ma5bc, xenotime-(Y), stornesite-(Y), P-bearing K-feldspar and plagioclase...was counted for a total of 1600 seconds using a zirconia standard (SPI-47) and 4 spectrometers simultaneously...deviations in parentheses, for chopinite. site x/a y/b z/c Beq (Ć
2) Occupancy Fe1 1/2 0 1/2 0.77(1)... $1: āx+1,āy,āz+1. $2: x, yā1, z. $3: x, āyā1/2, z+1/2. $4: āx, y+1/2, āz+3/2. $5: x, āy+1/2, z+1/2. | | Wulser, P.-A., Brugger, J., Foden, J., Pfeifer, H.-R. (2011) The Sandstone-Hosted Beverley Uranium Deposit, Lake Frome Basin, South Australia: Mineralogy, Geochemistry, and a Time-Constrained Model for Its Genesis. Economic Geology, 106 (5) 835-867 doi:10.2113/econgeo.106.5.835 | Journal (article/letter/editorial) | 4 Afmeco of Minerals, South Australian Museum, North Terrace, SA 5005, Australia dāAnalyse MinĆ©rale...terrestrial sediments in the Lake Frome basin in the North Flinders Ranges, South Australia. The deposit is...is located in the eastern piedmont flanking the North Flinders Ranges toward Lake Frome. It lies approximately...2005 of a new mineralized zone to the west of the mine: the Four Mile deposits (Fig. 1b). The genesis of...ore fluids. The recent tectonic activity in the North Flinders Ranges (neotectonics) and the formation | | | Report (volume) | Miami of Ohio), and later Matt Kohn (at South Carolina), separately proposed short courses on phosphate...mineral phase in the human body. Monazite and xenotime are highlighted in a fourth chapter, which includes...all phosphates. Matthew J. Kohn Columbia, South Carolina John Rakovan & John M. Hughes Oxford, Ohio August...Monazite, Pretulite, and Xenotime Lynn A. Boatner PROPERTIES OF RARE-EARTH-, Sc-, AND Y-ORTHOPHOSPHATES .....PRETULITE, AND XENOTIME ............................... 91 Flux growth of RE-, Sc-, and Y-orthophosphates | | Borst, Anouk M., Finch, Adrian A., Friis, Henrik, Horsburgh, Nicola J., Gamaletsos, Platon N., Goettlicher, Joerg, Steininger, Ralph, Geraki, Kalotina (2020) Structural state of rare earth elements in eudialyte-group minerals. Mineralogical Magazine, 84 (1) 19-34 doi:10.1180/mgm.2019.50 | Journal (article/letter/editorial) | Environmental Sciences, University of St Andrews, North Street, St Andrews KY16 9AL, United Kingdom; 2Natural...structure data yield best fits for Y in six-fold coordination with YāO distances of 2.24ā2.32 Ć
, and a...Si, they host significant amounts of Fe, Mn, REE, Y, Nb, Hf, Ti, K, Sr and Ti as well as Cl, F, H2O and...Khibina (Russia); Kipawa (Canada); and Pajarito (USA) (e.g. Mariano and Mariano Jr, 2012; Sjƶqvist et...environment of REE in eudialyte-group minerals. We measure Y K-edge and Nd L3-edge absorption spectra as proxies | | | Report (issue) | .B3 Graph showing dates associated with all the mine sites on the U.S. Environmental Protection Agencyās...production, U.S. apparent consumption, and U.S. mine production of antimony from 1900 to 2012............................F2 Graph showing world cobalt mine and refinery production and apparent consumption.....................F2 Graph showing world cobalt mine production from 1950 to 2011......................F4. Pie chart showing percentage of world cobalt mine production in 2011, by country................. | | | Journal (article/letter/editorial) | (thorite), and YPO4 (xenotime). The most common trace elements in zircon are Hf, Y, rare earth elements...Anhydrous xenotime usually does not substitute for more than 1 mol% in ZrSiO4, although Y and HREE have...suggesting that a coupled substitution, such as the xenotime-type substitution, is the preferred mechanism...elements and components, especially Y3+ and xenotime [(Y,HREE)PO4], and perhaps (OH)ā, may be important...parameter āV for zircon-structured solid solutions (Y,Z)SiO4 Y, Z āV Th, Zr 0.21 U, Zr 0.16 Hf, Pu 0.15 Ce, | | Ying, Yuancan, Chen, Wei, Lu, Jue, Jiang, Shao-Yong, Yang, Yueheng (2017) In situ UāThāPb ages of the Miaoya carbonatite complex in the South Qinling orogenic belt, central China. Lithos, 290. 159-171 doi:10.1016/j.lithos.2017.08.003 | Journal (article/letter/editorial) | orogenic belt marks the suture zone between the North China Block SC R (NCB) and the South China Block...(Meng and Zhang, 2000). It is divided into the North Qinling belt and the South Qinling belt along the...analysis: Olivine (Si), Diopside TE D (Ca), Cubic Zirconia (Zr), Pyrope Garnet (Fe), Jadeite (Na), Rhodonite(Mn)...compositions of the Neoproterozoic CE P basement of the North China and Yangtze cratons (Fig. 7B, Zhu et al.,...Meffre, S., 2008. Palaeozoic collision between the North and South China blocks, Triassic intracontinental | | | Journal (article/letter/editorial) | cryolite, derbylite, diaphorite, dolomite, euxenite-(Y), columbite-(Fe) (also known as ferrocolumbite), glaucodot... scorzalite, stannite, symplesite, ulexite, xenotime-(Y). Key-words: twin description, hybrid twinning...Pyrargyrite (1014) 3.5 Haidingerite (120) 3.5 Euxenite-(Y) (021) 2.5 Linarite (001) 2.5 Glaucodot (301) 2.5...0 Ilmenite (1011) HP 2.0 Stannite [112] 4.5 Xenotime-(Y) (111) 5.0 Apatite (1013) 6.5 Apatite (1123)...effective twin index of nE Ā¼ 5/2 Ā¼ 2.5. Euxenite-(Y) [(Y,Ca,Ce)(Nb,Ta,Ti)2O6, Pbcn, a Ā¼ 14.643, b Ā¼ 5.5528 | | | Book | I sell my uranium ore?" "Do I need a license to mine uranium?" "How do I stake a mining claim?" As a...material for its development. R. D. N. New York, N. Y. July, 1954 VI ACKNOWLEDGMENTS In a work of this... CONTENTS CHAPTER XVI. Other Areas XVII. PAGE of North America Other Areas of the World 154 157 . PART...exceptions, the best place to look for a uranium mine is where uranium is known to exist. Descriptions...cent uraof granite 1 nium. However, monazite, xenotime, and allanite may contain from 1 to 15 per cent | | | Book | ' .\ f etYON RALPH I o S o(b;JY\ m.3 CA'.r(Y) 1 trn~ Ā½ (\h CARLOS CORNEJO ANDREA BARTORELLI...The auriferous claims 148 The gold mine of Morro Velho 153 The Mine of Passagem 155 The/old rush in P'ianc6...Vivianite 362 Variscite and pseudomalachite 363 Xenotime-(Y) and florencite-(La) 364 Pyromorphite 367 Eosphorite...topaz 385 T he imperial topaz of Ouro Preto 393 The Mine of Capao do Lana 397 The imperial topaz of Antonio...of the pyralspite series 411 essartine 414 ~ he Mine of Pedra Bonita 416 Garnets of the ugrandite series | | | Book | RARE E A R T H ELEMENT GEOCHEMISTRY edited b y P. HENDERSON Department of Mineralogy, British Museum...Canada: ELSEVIER SCIENCE PUBLISHING C O M P A N Y INC. 5 2 , Vanderbilt Avenue New York, NY 1 0 0 1...publication may be reproduced, stored in a retrieval s y s t e m or transmitted in any f o r m or by any means...means, electronic, mechanical, p h o t o c o p y i n g , recording or otherwise, w i t h o u t the prior...Netherlands. Special regulations for readers in the USA - This publication has been registered w i t h the |
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