 | | Journal (article/letter/editorial) | | THE 33rd RMS rd The 33 logical ra er Mine , 2006 st e h Roc 9 April 6— Artwork by Susan Robinson ...samarskite-(Y), xenotime-(Y), monazite-(Ce), and thorite have been identified. A high-Ti-Y-Nb oxide phase...phase may be polycrase-(Y), but it requires confirmation; a number of additional phases are awaiting study...indicates that the parent magma was enriched in Nb, Y, and F. It is unknown why in this instance miaroles...such as growth pits. QUEST FOR THE RARE METALS MINE, MOJAVE COUNTY PEGMATITE DISTRICT, NORTHWESTERN |  | | Book | | Belakovskiy, L.A. Korshunova, V.O. Yapaskurt, L.C.A. de Oliveira, A.I. Bakhtin, A.G. Nikolaev, R. Gainov...Octahedra with 8 edges shared per MnO6 octahedron IX Y–F *380 Trigonal prism (in waimirite) VI Mn2+–O...600–715 In augelite, andalusite and vyuntspakhkite-(Y) 610–620 Isolated octahedron V VI Zr–O IV 3+...General Aspects of the Application … Fig. 1.15 X-, Y- and Z-polarized OH absorption spectra of diopside... Austria, measured on (100) and (010) plates (X, Y and Z are optical axes). The picture is drawn using |  | | Journal (article/letter/editorial) | | THE 32nd RMS rd The 33 logical ra er Mine st e h c Ro um Symposi9, 2006 April 6— Artwork by Susan...[Bibliothèques de l'Université de Montréal] at 09:28 01 December 2014 THE FENGJIASHAN WOLLASTONITE MINE, DAYE...described in 2002 as a new mineral from the “Daye mine ” near the city of Huangshi. At the time, the precise...the West have visited the Fengjiashan Wollastonite mine in Daye County, and a huge number of well-developed...from this occurrence. The Fengjiashan Wollastonite mine lies in the copper iron belt in the Eastern Yangtze |  | Novak, M., Skoda, R., Gadas, P., Krmicek, L., Cerny, P. (2012) Contrasting Origins of the Mixed (NYF + LCT) Signature in Granitic Pegmatites, with Examples from the Moldanubian Zone, Czech Republic. The Canadian Mineralogist, 50 (4) 1077-1094 doi:10.3749/canmin.50.4.1077 | Journal (article/letter/editorial) | | O’Grady Batholith, Selwyn plutonic suite, N.W.T., Canada (Černý & Ercit 2005). These pegmatites contain...E-mail address: mnovak@sci.muni.cz various accessory Y,REE minerals [e.g., (Nb,Ta,Ti) oxides, silicates]...melt are considered (Černý & Ercit 2005, Martin & De Vito 2005). The two pegmatites are characterized...NYF-signature minerals [allanite-(Ce), Y, oxides of REE. Nb, Ta and Ti, primary Y,REE fluorcarbonates]. They occur...pegmatite (lithium micas + elbaite) from Kracovice, with Y,REE minerals, is related to the Třebíč pluton (Němec |  | Prokopyev, Ilya R., Doroshkevich, Anna G., Sergeev, Sergey A., Ernst, Richard E., Ponomarev, Jean D., Redina, Anna A., Chebotarev, Dmitry A., Nikolenko, Anna M., Dultsev, Vladislav F., Moroz, Tatyana N., Minakov, Alexey V. (2019) Petrography, mineralogy and SIMS U-Pb geochronology of 1.9–1.8 Ga carbonatites and associated alkaline rocks of the Central-Aldan magnesiocarbonatite province (South Yakutia, Russia) Mineralogy and Petrology, 113 (3) 329-352 doi:10.1007/s00710-019-00661-3 | Journal (article/letter/editorial) | | siderite aggregates with haematite, monazite-(Ce), xenotime-(Y), rutile-(Nb), barite-(Sr), anhydrite, ancylite-(Ce)...Sciences, Carleton University, Ottawa, ON K1S 5B6, Canada 7 Kazan Federal University, Kremlyovskaya st... celestite, anhydrite, thorite, thorianite, xenotime-(Y), siderite, pyrite, chalcopyrite, galena and...of formation was previously proposed for the xenotime-(Y) and thorianite Fig. 9 a-d BSE images (a, c)...microgranular aggregates with haematite, monazite-(Ce), xenotime, barite and rutile-(Nb), as well as the rare sulphide |  | Elliott, H.A.L., Wall, F., Chakhmouradian, A.R., Siegfried, P.R., Dahlgren, S., Weatherley, S., Finch, A.A., Marks, M.A.W., Dowman, E., Deady, E. (2018) Fenites associated with carbonatite complexes: A review. Ore Geology Reviews, 93. 38-59 doi:10.1016/j.oregeorev.2017.12.003 | Journal (article/letter/editorial) | | 125 Dysart Road, Winnipeg, Manitoba, R3T 2N2, Canada c GeoAfrica, P.O. Box 24218, Windhoek, Namibia...However, mineral assemblages are highly variable and de- 18 pendent on a number of parameters such as protolith...lutetium (Lu), plus scandium (Sc) and 76 yttrium (Y). Although the division between light and heavy rare...heavy REE (HREE) consisting of Eu-Lu 79 including Y. These metals have advantageous paramagnetic, mechanical...(e.g. Mitchell, 2015); carbonatite at St Honoré, Canada (Mitchell, 91 2015); and the nepheline syenite |  | | Show/Event (guide) | | and W B. Simmons 3:00 C o f f e e Break 3:15 C r y s t a l growth: Inference of mechanisms and geological...distributions byD. E. Kile and D. D. Eberl 3:30 T y p o m o r p h i s m of quartz, calcite and pyrite:...pseudomorphs, minerals from the Second Sovietskiy mine, Dal'negorsk, Russia, and manganoan calcite. About...MINERALOGY 10:15 C r y s t a l l o g r a p h y of carrollite from the Kamoya South II mine, Democratic Republic...andR.L. Morgan 10:30 T h e Fengjiashan Wollastonite mine, Daye County, Hubei Province, China by B. Opens |  | Ying, Yuan-Can, Chen, Wei, Simonetti, Antonio, Jiang, Shao-Yong, Zhao, Kui-Dong (2020) Significance of hydrothermal reworking for REE mineralization associated with carbonatite: Constraints from in situ trace element and C-Sr isotope study of calcite and apatite from the Miaoya carbonatite complex (China). Geochimica et Cosmochimica Acta, 280. 340-359 doi:10.1016/j.gca.2020.04.028 | Journal (article/letter/editorial) | | Please cite this article as: Ying, Y-C., Chen, W., Simonetti, A., Jiang, S-Y., Zhao, K-D., Significance of...exhibit relatively 33 consistent near-chondritic Y/Ho ratios. Fluorapatite is characterized by consistent...carbonatite is characterized by a large variation in Y/Ho ratios (29-47), which 287 deviate from the chondritic...and are much higher compared to the more consistent Y/Ho 288 ratios (~30) in calcite from the Type I carbonatite...the values measured in Type I carbonatite, and its Y/Ho ratios also show a limited 294 range of near-chondritic |
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