 | Chakrabarty, A., Mitchell, R. H., Ren, M., Sen, A. K., Pruseth, K. L. (2013) Rinkite, cerianite-(Ce), and hingganite-(Ce) in syenite gneisses from the Sushina Hill Complex, India: occurrence, compositional data and petrogenetic significance. Mineralogical Magazine, 77 (8) 3137-3153 doi:10.1180/minmag.2013.077.8.08 | Journal (article/letter/editorial) | | cerianite-(Ce), and hingganite-(Ce) in syenite gneisses from the Sushina Hill Complex, India: occurrence...Durgapur Government College, Durgapur, West Bengal, 713214, India Geology, Lakehead University, Thunder...Technology Roorkee, Roorkee, Uttarakhand-247667, India Geology and Geophysics, Indian Institute of Technology...Technology Kharagpur, Kharagpur, 721302, India [Received 11 July 2013; Accepted 30 October 2013; Associate...miaskitic nepheline syenite gneisses of the Sushina Hill Complex, India. The REE-rich minerals restricted mainly |  | Chakrabarty, A., Mitchell, R. H., Ren, M., Saha, P. K., Pal, S., Pruseth, K. L., Sen, A. K. (2016) Magmatic, hydrothermal and subsolidus evolution of the agpaitic nepheline syenites of the Sushina Hill Complex, India: implications for the metamorphism of peralkaline syenites. Mineralogical Magazine, 80 (7) 1161-1193 doi:10.1180/minmag.2016.080.057 | Journal (article/letter/editorial) | | the agpaitic nepheline syenites of the Sushina Hill Complex, India: implications for the metamorphism of...Durgapur Government College, Durgapur 713214, West Bengal, India Department of Geology, Lakehead University...Institute of Technology Kharagpur, Kharagpur 721302, India Department of Earth Sciences, Indian Institute of...Technology Roorkee, Roorkee, Uttarakhand 247667, India [Received 23 March 2015; Accepted 10 November 2015;...The Proterozoic Sushina Hill Complex is the only agpaitic complex, reported from India and is characterized |  | Borst, A. M., Friis, H., Andersen, T., Nielsen, T. F. D., Waight, T. E., Smit, M. A. (2016) Zirconosilicates in the kakortokites of the IlĂmaussaq complex, South Greenland: Implications for fluid evolution and high-field-strength and rare-earth element mineralization in agpaitic systems. Mineralogical Magazine, 80 (1) 5-30 doi:10.1180/minmag.2016.080.046 | Journal (article/letter/editorial) | | is inhibited by precipitation of nacareniobsite-(Ce) and various Ca-REE silicates. A subsequent decrease...K-feldspar as Na and K phases and nacareniobsite-(Ce) as the main Nb-REE phase. The REE are further distributed...micrometresized crystals of monazite, britholite-(Ce) and a related but poorly-defined group of Ca-REE...after EGM containing catapleiite, nacareniobsite-(Ce), aegirine, pectolite, albite, A1 (Ca-rich variety)...after EGM containing catapleiite, nacareniobsite-(Ce), aegirine, analcime, K-feldspar and A1 (Capoor variety) |  | | Journal (article/letter/editorial) | | these two cations have similar ionic radii, and Ce is more than six times as abundant as Pr, it seems...predictable. However, under oxidizing conditions, Ce loses four electrons instead of three resulting in...(58Ce4+ = [Xe]4f 0). Although the crustal abundance of Ce is only ~60 ppm (Rudnick and Gao 2014), fractionating...fractionating processes can concentrate it to the point where Ce-dominant minerals crystallize. Indeed, there are...are more than 150 known minerals with essential Ce in their formulas. The majority of these minerals contain |  | MacDonald, Ray, BagiĹ„ski, BogusĹ‚aw, Kartashov, Pavel M., Zozulya, Dmitry, DzierĹĽanowski, Piotr (2015) Interaction Of Rare-Metal Minerals With Hydrothermal Fluids: Evidence From Quartz–Epidote Metasomatites Of The Haldzan Buragtag Massif, Mongolian Altai. The Canadian Mineralogist, 53 (6) 1015-1034 doi:10.3749/canmin.1400023 | Journal (article/letter/editorial) | | pegmatite, including fergusonite-(Y), chevkinite-(Ce), and members of the epidote supergroup, were recrystallized... with replacement of chevkinite-(Ce) by titanite–rutile–cerite-(Ce)–REE-carbonate assemblages and fergusonite-(Y)...by complex hingganite–cerite–thorite assemblages. Late-stage veining included cerite-(Ce), fergusonite-(Y)...formation of the pegmatite. Keywords: chevkinite-(Ce), hydrothermal fluids, REE-bearing accessory phases...eudialyte [now represented by zircon–ferriallanite-(Ce) pseudomorphs], which trapped the bulk of the F in |  | Gorelova, Liudmila, Vereshchagin, Oleg, Cuchet, StĂ©phane, Shilovskikh, Vladimir, Pankin, Dmitrii (2020) Low-Temperature Crystal Chemistry of Hingganite-(Y), from the Wanni Glacier, Switzerland. Minerals, 10 (4) 322 doi:10.3390/min10040322 | Journal (article/letter/editorial) | | Article Low-Temperature Crystal Chemistry of Hingganite-(Y), from the Wanni Glacier, Switzerland Liudmila...Published: 4 April 2020 Abstract: Hingganite from the Wanni glacier (Switzerland) was studied...investigated mineral should be considered as hingganite-(Y). It showed a relatively high content of Gd...single-crystal X-ray diffraction, it was shown that the hingganite-(Y) crystal structure was stable in the studied...temperature range and no phase transitions occurred. Hingganite-(Y) demonstrated low volumetric thermal expansion |  | Pautov, Leonid A., Agakhanov, Atali A., Karpenko, Vladimir Yu., Uvarova, Yulia A., Sokolova, Elena, Hawthorne, Frank C. (2019) Rinkite-(Y), Na2Ca4YTi(Si2O7)2OF3, a seidozerite-supergroup TS-block mineral from the Darai-Pioz alkaline massif, Tien-Shan mountains, Tajikistan: Description and crystal structure. Mineralogical Magazine, 83 (3) 373-380 doi:10.1180/mgm.2018.122 | Journal (article/letter/editorial) | | rinkite-(Y) as it is structurally identical to rinkite-(Ce) and Y is the dominant rare-earth element. Keywords:...is an Y-analogue of rinkite-(Ce), ideally Na2Ca4REETi(Si2O7)2OF3, where Ce is the dominant rare-earth element...also isostructural with nacareniobsite-(Ce) and mosandrite-(Ce) (Table 1). On formation of the seidozerite...rinkite to rinkite-(Ce). Hence, elsewhere in the paper we will refer to rinkite-(Ce) instead of just rinkite...rinkite-(Y). Review of the relevant literature Rinkite-(Ce) was originally described by Lorenzen (1884). Slepnev |  | BagiĹ„ski, BogusĹ‚aw, Zozulya, Dmitry, MacDonald, Ray, Kartashov, Pavel M., DzierĹĽanowski, Piotr (2016) Low-temperature hydrothermal alteration of a rare-metal rich quartz–epidote metasomatite from the El'ozero deposit, Kola Peninsula, Russia. European Journal of Mineralogy, 28 (4) 789-810 doi:10.1127/ejm/2016/0028-2552 | Journal (article/letter/editorial) | | host rocks in the El’ozero occurrence, chevkinite-(Ce), thorite, fergusonite-(Y) and zircon were formed...complex assemblages containing ferriallanite–allanite-(Ce), gadolinite-group minerals, titanite, ilmenite,...granite magmas; at this stage, thorite, chevkinite-(Ce), zircon and fergusonite-(Y) were formed. Here we...05 0.32 0.03 0.10 0.70 ppm Nb Ta Zr Hf Th U Y La Ce Pr Nd Sm Eu Gd Tb Dy Ho Er Tm Yb Lu 61829 4341 66706...biotite and epidote, with rare fluorapatite and monazite(Ce). The major rare-metal minerals are, in inferred |  | Wu, Bin, Wen, Han-Jie, Bonnetti, Christophe, Wang, Ru-Cheng, Yang, Jin-Hui, Wu, Fu-Yuan (2019) Rinkite-(Ce) in the nepheline syenite pegmatite from the Saima alkaline complex, northeastern China: Its occurrence, alteration, and implications for REE mineralization. The Canadian Mineralogist, 57 (6) 903-924 doi:10.3749/canmin.1900042 | Journal (article/letter/editorial) | | 903-924 (2019) DOI: 10.3749/canmin.1900042 RINKITE-(Ce) IN THE NEPHELINE SYENITE PEGMATITE FROM THE SAIMA...characterized by REE mineralization, mainly rinkite-(Ce) and associated alteration minerals. As the most...rinkite-(Ce) closely coexists with microcline, nepheline, natrolite, and calcite. Some rinkite-(Ce) grains...but low Zr, REE, and Na contents. Primary rinkite-(Ce) has undergone multiple episodes of fluid interactions...rinkite-(Ce) Ăľ secondary natrolite 6 K-feldspar 6 minor fluorbritholite-(Ce); (2) rinkite-(Ce) relics |  | | Journal (article/letter/editorial) | | gadolinite-group minerals, gittinsite, ferriallanite-(Ce), and a pervasive replacement of the granite by these...of primary REE-F-(CO2) minerals (e.g., bastnäsite-(Ce) host to LREE), zirconosilicates (i.e., Na zirconosilicates...of secondary LREE silicates (i.e., ferriallanite-(Ce)), HREE silicates (i.e., gadolinite-(Y)), zirconosilicates...are enriched in HREE. Hydrothermal ferriallanite-(Ce) and gadolinite-group minerals also show a clear..., bastnäsite-(Ce) and parisite-(Ce)), phosphates (e.g., xenotime-(Y) and monazite-(Ce)), silicates (e |  | van de Ven, Mathijs A. J., Borst, Anouk M., Davies, Gareth R., Hunt, Emma J., Finch, Adrian A. (2019) Hydrothermal Alteration of Eudialyte-Hosted Critical Metal Deposits: Fluid Source and Implications for Deposit Grade. Minerals, 9 (7) 422 doi:10.3390/min9070422 | Journal (article/letter/editorial) | | additional REE-minerals (rinkite-(Ce), nacareniobsite-(Ce), vitusite-(Ce) and epidote) from various levels...Nacareniobsite-(Ce) Allanite-(Ce) A1-type Ca-REE-P-silicates1,2 Apatite Monazite-(Ce) Fergusonite-(Y)...x x (Ca, Ba, Ce)5 (SiO4 , PO4 )3 (OH, F) x x x Ca4.5 REE0.5 (PO4 )3 (F, Cl, OH) (Ce, La, Nd, Th)PO4...zone (rinkite-(Ce)), from the arfvedsonite-lujavrite (vitusite-(Ce), nacareniobsite-(Ce)) and from the...dissolved in 2M HNO3 , except the rinkite-(Ce) and nacareniobsite-(Ce) samples, which were dissolved using |
|
