Search Results - "Ivanyuk, Gregory Yu"

Calcium Oxalates in Lichens on Surface of Apatite-Nepheline Ore (Kola Peninsula, Russia) by Olga V. Frank-Kamenetskaya, Gregory Yu. Ivanyuk, Marina S. Zelenskaya, Alina R. Izatulina, Andrey O. Kalashnikov, Dmitry Yu. Vlasov, Evgeniya I. Polyanskaya

“…The present work contributes to the essential questions on calcium oxalate formation under the influence of lithobiont community organisms. We have discovered…”
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Petrogenesis of the Eudialyte Complex of the Lovozero Alkaline Massif (Kola Peninsula, Russia) by Julia A. Mikhailova, Gregory Yu. Ivanyuk, Andrey O. Kalashnikov, Yakov A. Pakhomovsky, Ayya V. Bazai, Victor N. Yakovenchuk

“…The Lovozero Alkaline Massif intruded through the Archaean granite-gneiss and Devonian volcaniclastic rocks about 360 million years ago, and formed a large (20…”
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Beryllium Mineralogy of the Kola Peninsula, Russia—A Review by Lyudmila M. Lyalina, Ekaterina A. Selivanova, Dmitry R. Zozulya, Gregory Yu. Ivanyuk

“…This paper reviews the available information on the beryllium mineralogy of the different type of occurrences in the Kola Peninsula, northwest Russia…”
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Titanite Ores of the Khibiny Apatite-Nepheline-Deposits: Selective Mining, Processing and Application for Titanosilicate Synthesis by Lidia G. Gerasimova, Anatoly I. Nikolaev, Marina V. Maslova, Ekaterina S. Shchukina, Gleb O. Samburov, Victor N. Yakovenchuk, Gregory Yu. Ivanyuk

“…Geological setting and mineral composition of (apatite)-nepheline-titanite ore from the Khibiny massif enable selective mining of titanite ore, and its…”
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Hydrochloric Acidic Processing of Titanite Ore to Produce a Synthetic Analogue of Korobitsynite by Lidia G. Gerasimova, Anatoly I. Nikolaev, Ekaterina S. Shchukina, Marina V. Maslova, Galina O. Kalashnikova, Gleb O. Samburov, Gregory Yu. Ivanyuk

“…The modal composition of (apatite)-nepheline-titanite ore and its geological setting within apatite deposits of the Khibiny Massif allow selective mining of…”
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Three-D Mineralogical Mapping of the Kovdor Phoscorite–Carbonatite Complex, NW Russia: I. Forsterite by Julia A. Mikhailova, Gregory Yu. Ivanyuk, Andrey O. Kalashnikov, Yakov A. Pakhomovsky, Ayya V. Bazai, Taras L. Panikorovskii, Victor N. Yakovenchuk, Nataly G. Konopleva, Pavel M. Goryainov

“…The Kovdor alkaline-ultrabasic massif (NW Russia) is formed by three consequent intrusions: peridotite, foidolite-melilitolite and phoscorite-carbonatite…”
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Subsolidus Evolution of the Magnetite-Spinel-UlvöSpinel Solid Solutions in the Kovdor Phoscorite-Carbonatite Complex, NW Russia by Gregory Yu. Ivanyuk, Andrey O. Kalashnikov, Yakov A. Pakhomovsky, Ayya V. Bazai, Pavel M. Goryainov, Julia A. Mikhailova, Victor N. Yakovenchuk, Nataly G. Konopleva

“…The Kovdor phoscorite-carbonatite ore-pipe rocks form a natural series, where apatite and magnetite first gradually increase due to the presence of earlier…”
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Vesuvianite from the Somma-Vesuvius Complex: New Data and Revised Formula by Taras L. Panikorovskii, Nikita V. Chukanov, Vyacheslav S. Rusakov, Vladimir V. Shilovskikh, Anton S. Mazur, Giuseppina Balassone, Gregory Yu. Ivanyuk, Sergey V. Krivovichev

“…At present, the vesuvianite group of minerals consists of eight members, six of which are distinguished by the dominant cation in the Y1(A,B) five-coordinated…”
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Three-D Mineralogical Mapping of the Kovdor Phoscorite-Carbonatite Complex, NW Russia: II. Sulfides by Gregory Yu. Ivanyuk, Yakov A. Pakhomovsky, Taras L. Panikorovskii, Julia A. Mikhailova, Andrei O. Kalashnikov, Ayya V. Bazai, Victor N. Yakovenchuk, Nataly G. Konopleva, Pavel M. Goryainov

“…The world largest phoscorite-carbonatite complexes of the Kovdor (Russia) and Palabora (South Africa) alkaline-ultrabasic massifs have comparable composition,…”
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Chirvinskyite, (Na,Ca)13(Fe,Mn,□)2(Ti,Nb)2(Zr,Ti)3-(Si2O7)4(OH,O,F)12, a New Mineral with a Modular Wallpaper Structure, from the Khibiny Alkaline Massif (Kola Peninsula, Russia) by Victor N. Yakovenchuk, Yakov A. Pakhomovsky, Taras L. Panikorovskii, Andrey A. Zolotarev, Julia A. Mikhailova, Vladimir N. Bocharov, Sergey V. Krivovichev, Gregory Yu. Ivanyuk

“…Chirvinskyite, (Na,Ca)13(Fe,Mn,□)2(Ti,Nb)2(Zr,Ti)3(Si2O7)4(OH,O,F)12, is a new wöhlerite-related zirconotitano-sorosilicate. It is triclinic, P 1 ¯ , a =…”
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The AM-4 Family of Layered Titanosilicates: Single-Crystal-to-Single-Crystal Transformation, Synthesis and Ionic Conductivity by Kalashnikova, Galina O, Krivovichev, Sergey V, Yakovenchuk, Victor N, Selivanova, Ekaterina A, Avdontceva, Margarita S, Ivanyuk, Gregory Yu, Pakhomovsky, Yakov A, Gryaznova, Darya V, Kabanova, Natalya A, Morkhova, Yelizaveta A, Sinel'shchikova, Olga Yu, Bocharov, Vladimir N, Nikolaev, Anatoly I, Goychuk, Olga F, Volkov, Sergei N, Panikorovskii, Taras L

“…Flexible crystal() structures, which exhibit() single-crystal()-to-single-crystal() (SCSC) transformations(), are attracting attention() in many applied…”
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Insights into crystal chemistry of the vesuvianite-group: manaevite-(Ce), a new mineral with complex mechanisms of its hydration by Moiseev, Mikhail M., Panikorovskii, Taras L., Aksenov, Sergey M., Mazur, Anton S., Mikhailova, Julia A., Yakovenchuk, Victor N., Bazai, Ayya V., Ivanyuk, Gregory Yu, Agakhanov, Atali A., Shilovskikh, Vladimir V., Pekov, Igor V., Kasatkin, Anatoly V., Rusakov, Vyacheslav S., Yapaskurt, Vasiliy O., Karpenko, Vladimir Yu, Krivovichev, Sergey V.

“…Manaevite-(Ce), a new vesuvianite-group mineral has been investigated by means of electron microprobe, TGA and DSC and CHN analysis of H 2 O, powder X-ray…”
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Kampelite, Ba3Mg1.5Sc4(PO4)6(OH)3·4H2O, a new very complex Ba-Sc phosphate mineral from the Kovdor phoscorite-carbonatite complex (Kola Peninsula, Russia) by Yakovenchuk, Victor N., Ivanyuk, Gregory Yu, Pakhomovsky, Yakov A., Panikorovskii, Taras L., Britvin, Sergei N., Krivovichev, Sergey V., Shilovskikh, Vladimir V., Bocharov, Vladimir N.

“…Kampelite, Ba 3 Mg 1.5 Sc 4 (PO 4 ) 6 (OH) 3 ·4H 2 O, is a new Ba-Sc phosphate from the Kovdor phoscorite-carbonatite complex (Kola Peninsula, Russia). It is…”
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Batagayite, CaZn2(Zn,Cu)6(PO4)4(PO3OH)3·12H2O, a new phosphate mineral from Këster tin deposit (Yakutia, Russia): occurrence and crystal structure by Yakovenchuk, Victor N., Pakhomovsky, Yakov A., Konopleva, Nataliya G., Panikorovskii, Taras L., Bazai, Ayya, Mikhailova, Julia A., Bocharov, Vladimir N., Ivanyuk, Gregory Yu, Krivovichev, Sergey V.

“…Batagayite, CaZn 2 (Zn,Cu) 6 (PO 4 ) 4 (PO 3 OH) 3 ·12H 2 O, is a new secondary phosphate mineral from the Këster deposit, Arga-Ynnykh-Khai massif, NE Yakutia,…”
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Three-D Mineralogical Mapping of the Kovdor Phoscorite-Carbonatite Complex, NW Russia: III. Pyrochlore Supergroup Minerals by Gregory Yu. Ivanyuk, Nataly G. Konopleva, Victor N. Yakovenchuk, Yakov A. Pakhomovsky, Taras L. Panikorovskii, Andrey O. Kalashnikov, Vladimir N. Bocharov, Ayya A. Bazai, Julia A. Mikhailova, Pavel M. Goryainov

“…The pyrochlore supergroup minerals (PSM) are typical secondary phases that replace (with zirconolite–laachite) earlier Sc-Nb-rich baddeleyite under the…”
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3D mineralogical mapping of the Kovdor phoscorite–carbonatite complex (Russia) by Mikhailova, Julia A., Kalashnikov, Andrey O., Sokharev, Victor A., Pakhomovsky, Yakov A., Konopleva, Nataly G., Yakovenchuk, Victor N., Bazai, Ayya V., Goryainov, Pavel M., Ivanyuk, Gregory Yu

“…The Kovdor baddeleyite–apatite–magnetite deposit in the Kovdor phoscorite–carbonatite pipe is situated in the western part of the zoned alkali-ultrabasic…”
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Strontiofluorite, SrF2; a new mineral species from the Khibiny Massif, Kola Peninsula, Russia by Yakovenchuk, Victor N, Ivanyuk, Gregory Yu, Pakhomovsky, Yakov A, Selivanova, Ekaterina A, Korchak, Julia A, Nikolaev, Alexander P

“…Strontiofluorite, SrF2, is a new member of the fluorite group [cubic, Fm3̄m, a 5.713(8) Å, Z=4]. It occurs in a "natrolitized" sodalite-microcline-aegirine…”
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Ellingsenite, Na5Ca6Si18O38(OH)13·6H2O; a new martinite-related mineral species from phonolite of the Aris alkaline complex, Namibia by Yakovenchuk, Victor N, Ivanyuk, Gregory Yu, Pakhomovsky, Yakov A, Selivanova, Ekaterina A, Mikhailova, Julia A, Krivovichev, Sergey V, Zolotarev, Andrey A, Zalkind, Oleg A

“…Ellingsenite, Na5Ca6Si18O38(OH)13·6H2O, is a new calcium silicate hydrate (CSH) [triclinic, PT, a 9.55(3), b 9.395(8), c 16.329(3) Å, α 100.2(1), β 94.9(2), γ…”
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The crystal structure of nacaphite, Na2Ca(PO4)F; a re-investigation by Krivovichev, Sergey V, Yakovenchuk, Victor N, Ivanyuk, Gregory Yu, Pakhomovsky, Yakov A, Armbruster, Thomas, Selivanova, Ekaterina A

“…The crystal structure of nacaphite, Na2Ca(PO4)F, has been re-investigated using an untwinned crystal from a late-stage hydrothermal vein within ijolite-urtite…”
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Punkaruaivite, LiTi2[Si4O11(OH)](OH)2·H2O; a new mineral species from hydrothermal assemblages, Khibiny and Lovozero alkaline massifs, Kola Peninsula, Russia by Yakovenchuk, Victor N, Ivanyuk, Gregory Yu, Pakhomovsky, Yakov A, Selivanova, Ekaterina A, Men'shikov, Yurii P, Korchak, Julia A, Krivovichev, Sergey V, Spiridonova, Dar'ya V, Zalkind, Oleg A

“…Punkaruaivite, ideally LiTi2[Si4O11(OH)](OH)2·H2O, is a new species of Li titanosilicate [monoclinic, C2/c, a 26.688(2), b 8.7568(7), c 5.2188(5) Å, β…”
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