 | | 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 |  | | Report (volume) | | (Ce) or yttrium VII MINERALS OF THE RARE EARTHS (Y); for example, the formula for calkinsite is given...(1966 ), Vlasov (1966 ), Frondel, Fleischer, and Jones (1967), and more recent entries in the New Mineral...63 - 64 65 - 66 - 67 - 68 - 69 70 71 Yttrium (Y)- - - 39 'Promethium is a radioactive element with...Thorian brannerite- - - - - - - - ·· 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 ] âą 3H20 Allanite - - |  | | Journal (article/letter/editorial) | | of the Rare Earth Element Litter A. E. Williams-Jonesâ and O. V. Vasyukova Department of Earth and Planetary...Corresponding author: e-mail, anthony.williams-jones@mcgill.ca ISSN 0361-0128; doi: 10.5382/econgeo...the minerals euxenite [(Y,Ca,Ce,U,Th) (Ti,Nb,Ta)2O6] and gadolinite [(Ce,La,Nd,Y)2FeBe2Si2O10]. Scandium...8, 2017 Accepted: April 4, 2018 974 WILLIAMS-JONES AND VASYUKOVA ionic radius 75 pm. This is also...a granitic pegmatite, later referred to as Landsverk 3, in the Iveland-Evje district north of Kristiansand |  | | Journal (article/letter/editorial) | | geology & ilmenite alteration terminology, logistics, mining and processing techniques, as well as an examination...rutile, zircon, titanium, resources, sustainable mining Funding: This work was supported by RMIT University...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) |  | | Book | | carbonatites, alkaline to sub-alkaline felsic rocks, pegmatite and hydrothermal deposits. Several of these sources...associated LREE minerals in central India. Several xenotime-bearing stream placer occurrences identiïŹed in...offer scope for exploration inputs for augmenting xenotime-bearing stream placer resources. Carbonatite-hosted...ore has been estimated by M/s Ramgad Minerals and Mining Limited, with an average grade of 1.62% REO. In...Singhbum Shear Zone (SSZ), Jharkhand, notably the xenotime concentrations in the Kanyaluka area along the |  | | 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...avons dĂ©couvert la monazite-(Ce) et le xĂ©notime-(Y) dans des mĂ©tacherts (conditions du faciĂšs Ă pumpellyiteâactinolite:...Italie. INTRODUCTION Members of the monazite and xenotime groups (Mandarino 1999, Buck et al. 1999) occur |  | | Journal (issue) | | Cooper Nottingham, England Anthony R. Kampf L.A. County Mus. of Nat. Hist. Los Angeles, CA Joseph A. Mandarino...Bastnas Mines, Riddarhyttan Ore Field, Bergslagen District, Vastmanland, Sweden ........... 187 by L. Ohman...PARISITE-(Ce) crystal, 5.5 mm; (lower left) IIMORIITE-(Y) crystal, 2 mm-All from the Trimouns talc quarry near...BASTDAS ffiIDES RIDDARHYTTAD ORE FIELD, BERGSLAGED DISTRICT, VASTffiADLADD, SillEDED Lennart Ohman Hi:igviltsvagen...INTRODUCTION The Riddarhyttan ore field is situated in the county of Vastmanland, south-central Sweden, about 70 |  | | Journal (article/letter/editorial) | | PROTEROZOIC REE-RICH GRANITIC PEGMATITES OF THE NORTH-CENTRAL AND SOUTHWESTERN US William B. SIMMONS§...2000 Lakeshore Drive, New Orleans, Louisiana 70148, USA Sarah L. HANSON Geology Department, Adrian College... 110 S. Madison Street, Adrian, Michigan 49221, USA Alexander U. FALSTER and Karen L.WEBBER Department...2000 Lakeshore Drive, New Orleans, Louisiana 70148, USA Abstract Pegmatites enriched in the rare-earth elements...to Arizona. Four widely geographically spaced pegmatite districts that are temporally associated with |  | | 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...rarely, zirconolite, occur in skarn in the Ertsberg District of Irian Jaya, Indonesia. Unlike in Texas, related...in Trans-Pecos Texas, U.S.A., and the Ertsberg District, Irian Jaya, Indonesia, and from the literature |  | | Report (issue) | | PISTOLS v the coverâTurquois crystals from Lynch Station, Virginia; x ca.; pho tograph by Neal Ycdlin;...C. A. Michael. COLD NUGGET FROM SPOTSYLVANIA COUNTY: Longest dimension approximately 13 cm., photograph...updated âcheck listâ just alluded to, (2) a county-by-county listing of the minerals, and (3) resumes of...Phosphates, Arsenates, and Vanadates Whitlockite Xenotime Monazitc Brushite Newbcryitc Struvite Vivianite...(Haydcnitc) 9 Virginia Mineral Localities by County This list is included for possible aid in planning |  | | Book | | discredited, a variety, etc. T Tsumeb (vol. 8, no. 3) M y Michigan Copper Country (vol. 23, no. 2) Co. Company...On a spectacular find of crocoite in the Adelaide mine, Dundas, Tasmania (by A. H. Chapman) 3:111-113 ADOLFSSON...Iaria from the Howard-Montgomery quarry, Howard County, Maryland (by J. S. White) 25:53-54 AFGHANISTAN...Bariand & J. F. Poullen) 9:301-308 AGARDITE-(Y) Agardite-(Y), gysinite-(Nd) and other rare minerals from...AJO Famous mineral localities: the New Cornelia mine, Ajo, Arizona (by W. J. Thomas & R. B. Gibbs) 14:283-298 |  | Lenz, Christoph, Nasdala, Lutz, Talla, Dominik, Hauzenberger, Christoph, Seitz, Roland, Kolitsch, Uwe (2015) Laser-induced REE3+ photoluminescence of selected accessory minerals â An âadvantageous artefactâ in Raman spectroscopy. Chemical Geology, 415. 1-16 doi:10.1016/j.chemgeo.2015.09.001 | Journal (article/letter/editorial) | | Available online 5 September 2015 Keywords: Zircon Xenotime Monazite Titanite Laser-induced REE photoluminescence...Spectra of natural titanite, monaziteâ(Ce), xenotimeâ(Y), and zircon samples from various geological...accessory minerals (including titanite, monazite- and xenotime-group minerals, and zircon) typically incorporate...spectra of the accessory minerals titanite, xenotimeâ(Y), monaziteâ(Ce), and zircon. This is done by...a suite of natural titanite, monaziteâ(Ce), xenotimeâ(Y), and zircon specimens. The latter are provided |  | | Journal (article/letter/editorial) | | Mineralogy and Petrology (2001) 72: 259±280 Synchysite-(Y)±synchysite-(Ce) solid solutions from Markersbach...complete solid-solution series between synchysite-(Y) and synchysite-(Ce). The rareearth elements likely...complete destruction of magmatic monazite and xenotime during interaction with a F-CO2 -Ca-bearing, late-magmatic...Introduction The bulk of the rare earth elements (REE; Y, La, and the lanthanides Ce-Lu) in unaltered, meta-...minerals such as allanite, monazite, apatite, xenotime, zircon, thorite, and uraninite (e.g. Bea, 1996; |  | 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 |  | | Journal (article/letter/editorial) | | PLUTON OF THE WAUSAU SYENITE COMPLEX, MARATHON COUNTY, WISCONSIN Alexander U. FALSTER§ Department of...70148, U.S.A. Thomas W. BUCHHOLZ 1140 12th Street North, Wisconsin Rapids, Wisconsin 54494, U.S.A. William...Wausau syenite complex, exposed in central Marathon County, Wisconsin, is an A1-type within-plate granitoid...Wausau syenite complex, anorogenic, Proterozoic, pegmatite, Wisconsin. Introduction The goal of this study...fluorine-enriched), located in central Marathon County, Wisconsin (Fig. 1), forms part of a NEâSW-trending |  | | Journal (article/letter/editorial) | | X-ray fluorescence (pXRF) data at the Plutonic gold mine, Western AustraliaâMichael F. Gazley, Guillaume...age (U-Pb, SHRIMP II) of the Yastrebetskoe Zr-REE-Y deposit, Ukrainian ShieldâE.V. Levashova, S.G. Skublov...Caledonian ore-forming event in the Laojunshan mining district, SE Yunnan Province, China: In situ LA-MC-ICP-MS...Sylvestre 1123 Ore genesis of the Weibao lead-zinc district, Eastern Kunlun Orogen, China: Constrains from...Fluid flux melting generated postcollisional high Sr/Y copper oreforming water-rich magmas in TibetâYong-Jun |  | Sanematsu, Kenzo, Ejima, Terumi, Kon, Yoshiaki, Manaka, Takayuki, Zaw, Khin, Morita, Sayaka, Seo, Yuna (2016) Fractionation of rare-earth elements during magmatic differentiation and weathering of calc-alkaline granites in southern Myanmar. Mineralogical Magazine, 80 (1) 77-102 doi:10.1180/minmag.2016.080.053 | Journal (article/letter/editorial) | | synchysite(Y), parisite-(Ce), bastnĂ€site-(Ce), xenotime-(Y), monazite-(Ce), Y-Ca silicate, waimirite-(Y) and...waimirite-(Y) are probably more susceptible to weathering, whereas zircon, monazite-(Ce) and xenotime-(Y) are...products or that HREE remain in residual minerals. K E Y WO R D S : rare-earth element fractionation, granite...REE (HREE: Y and Gd to Lu) in the ores, because HREE are less abundant in the crust except Y compared to...decrease in ionic radii from La to Lu through Y (Henderson, 1984; Green, 1994; Tiepolo et al., 2002; Hoskin |  | | Journal (article/letter/editorial) | | interest for the REE, only as by-products of other mining activity, because of the relatively low REE grade...Ti, and Al mining at Khibiny, Fe, Zr, Ta, and Nb mining at Lovozero, and Fe and Ti mining at Afrikanda...REE by-products. The sound transport, energy, and mining infrastructure of the region are important factors...REE2O3 were produced in Russia in 2013, by the mining company Lovozersky GOK, located in the Murmansk...including the Ta-Nb-REE Karnasurt-Kedykvyrpakhk mine; 5. The eudialyte complex of the Lovozero massif; |  | | Journal (issue) | | Cooper Nottingham, England Anthony R. Kampf L.A. County Mus. of Nat. Hist. Los Angeles, CA Joseph A. Mandarino...ELBAITE crystal, 7.3 cm, from the Alto Ligonha district, Mozambique. American M useum of Natural History...MADAGASCAR The Anjanabonoina pegmatite, 20:191-200 MALAWI Zomba district, 25:29-35, 38 MOROCCO Bou-Azzer...Bou-Azzer, 9:69-73 Toussit mine, 11:59-61, 15:347-350 NAMIBIA Kombat mine, 22:421-425 Tsumeb (special issue...Museum for Tsumeb, 10:116-118 The Onganja mining district, 27:85-97 The Otavi Mountain Land, 28:109-130 |  | | Journal (article/letter/editorial) | | September/October: Silver crystals, Bachelor mine, Amethyst vein system, Mineral County, Colorado; Dave Bunk specimen...Actinolite, Quebec, 498 Adamite, Nevada, 514 Agarditeâ(Y), Nevada, 515 Agate (fire), Arizona, 22 Agate, Turkey...413; Nevada, 515 Annabergite, Kilometer 3 Mine, Laurium District, Greece, R. B. Cook, 154â59 Apatite, nomenclature...Mistaken Identities, A. L. Guth, 456â58 Arizona Mining and Mineral Museum, 280 Arkansas, wavellite, 346â50...Uvite with Overgrown Dravite, Bigelow, St. Lawrence County, New York, 250â59; Gemstone Deposits in Turkey |  | | Journal (article/letter/editorial) | | The relatively modest scale of the global REE mining sector means that the REE mineral deposit type...on the environmental impact associated with REE mining, extraction and processing. Although current global...mineralogy is linked to environmental risks during mining and refining, especially aspects such as radioactive...Mineral resources, REE mining and processing, GHG emission, Radioactive mine waste Introduction Rare...potential environmental implications associated with mining, extraction and processing of REE ores. The chemistry |  | Wang, R. C., Fontan, F., Chen, X. M., Hu, H., Liu, C. S., Xu, S. J., de Parseval, P. (2003) ACCESSORY MINERALS IN THE XIHUASHAN Y-ENRICHED GRANITIC COMPLEX, SOUTHERN CHINA: A RECORD OF MAGMATIC AND HYDROTHERMAL STAGES OF EVOLUTION. The Canadian Mineralogist, 41 (3) 727-748 doi:10.2113/gscanmin.41.3.727 | Journal (article/letter/editorial) | | 727-748 (2003) ACCESSORY MINERALS IN THE XIHUASHAN Y-ENRICHED GRANITIC COMPLEX, SOUTHERN CHINA: A RECORD...granite is characterized by monazite-(Ce) and xenotime-(Y), in addition to commonly observed zircon and...scarce, whereas Y-bearing minerals, including Y-bearing spessartine, xenotime-(Y), gadolinite-(Y), fergusonite-(Y)...fergusonite-(Y), and yttrian fluorite (up to 15 wt% Y2O3), are concentrated to various extents. Spessartine...of Y and heavy REE (HREE) (up to 2.32 wt% Y2O3 and 1.51% HREE2O3) and micrometric inclusions of Y-bearing |  | | Journal (issue) | | R. Kampf Natural History Museum of Los Angeles County Arthur Roe Tucson, AZ Abraham Rosenzweig University...AZ 85715 602-299-5274 Articles The Jacupiranga mine, Sao Paula, Brazil ...............................and J. M. Martins The Jensen quarry, Riverside County, California .....................................coated with malachite, 5 cm across, from the Onganja mine, Namibia. Collection of the Sorbonne, University...The type locality is the Barker pegmatite near Keystone, South Dakota. y PEACOR, D. R., DUNN, P. J., ROBERTS |  | | Report (issue) | | https://geology.com/. Photograph of Mountain Pass mine by Bradley Van Gosen. Rare Earth Element Mineral.....................................12 Monazite-Xenotime-Bearing Placer Deposits (Heavy-Mineral Sands)...................................3 Mountain Pass mine, southeastern California, June 2018...............States discussed in this report..............6 World mine production of rare-earth oxides, by country and...earth elements (REE) are bastnĂ€esite, monazite, xenotime, and apatite................................. |  | | Report (issue) | | potential environmental and health issues caused by the mining and processing of many mineral commodities may...the environmental considerations related to the mining of nonfuel mineral resources, including the modern...Chapter B. Environmental Considerations Related to Mining of Nonfuel Minerals By Robert R. Seal II, Nadine...U1 Chapter V. Zirconium and Hafnium By James V. Jones III, Nadine M. Piatak, and George M. Bedinger......B3 Graph showing dates associated with all the mine sites on the U.S. Environmental Protection Agencyâs |
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Jones Mine, Zirconia, Zirconia Pegmatite Mining District, Henderson County, North Carolina, USA