Search Results - "Pakhomovsky, Yakov A."

Fenitization at the Lovozero Alkaline Massif, NW Russia: Composition and Evolution of Fluids by Mokrushina, Olga D., Mikhailova, Julia A., Pakhomovsky, Yakov A.

“…The 360–370 Ma old Lovozero massif (NW Russia) is a layered nepheline syenitic-foidolitic pluton. Despite its huge size (650 km2), the massif is surrounded by…”
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Polymineralic Inclusions in Loparite-(Ce) from the Lovozero Alkaline Massif (Kola Peninsula, Russia): Hydrothermal Association in Miniature by Julia A. Mikhailova, Yakov A. Pakhomovsky, Ekaterina A. Selivanova, Alena A. Kompanchenko

“…Polymineralic inclusions in loparite-(Ce) in alkaline rocks from the Lovozero massif (Russia) were investigated using electron microprobe analysis, Raman…”
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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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Alteration of Feldspathoids Changes pH of Late-Magmatic Fluids: A Case Study from the Lovozero Peralkaline Massif, Russia by Julia A. Mikhailova, Yakov A. Pakhomovsky, Lyudmila M. Lyalina, Ekaterina A. Selivanova

“…The 360-370-Ma-old Lovozero peralkaline massif (NW Russia) is a layered nepheline syenitic–foidolitic pluton. In the rocks of the massif, late-stage…”
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Dissolution of the Eudialyte-Group Minerals: Experimental Modeling of Natural Processes by Julia A. Mikhailova, Yakov A. Pakhomovsky, Galina O. Kalashnikova, Sergey M. Aksenov

“…Eudialyte-group minerals (EGMs) are typical accessory or rock-forming minerals of the Lovozero peralkaline massif (Kola Peninsula, Russia). The EGM grains in…”
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Experimental Modeling of Natural Processes of Nepheline Alteration by Julia A. Mikhailova, Galina O. Kalashnikova, Yakov A. Pakhomovsky, Ekaterina A. Selivanova, Alena A. Kompanchenko

“…Nepheline, ideally Na3K(Al4Si4O16) is a key mineral of silica-undersaturated igneous rocks. Under subsolidus conditions, nepheline is intensively replaced by…”
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Iron in Nepheline: Crystal Chemical Features and Petrological Applications by Julia A. Mikhailova, Sergey M. Aksenov, Yakov A. Pakhomovsky, Bertrand N. Moine, Camille Dusséaux, Yulia A. Vaitieva, Mikhail Voronin

“…Nepheline is a nominally anhydrous aluminosilicate that typically contains an impurity of ferric iron replacing aluminum in tetrahedral sites. However,…”
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Fluorine Controls Mineral Assemblages of Alkaline Metasomatites by Julia A. Mikhailova, Yakov A. Pakhomovsky, Natalia G. Konopleva, Andrey O. Kalashnikov, Victor N. Yakovenchuk

“…In the Khibiny and Lovozero alkaline massifs, there are numerous xenoliths of the so-called ‘aluminous hornfelses’ composed of uncommon mineral associations,…”
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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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Zr-Rich Eudialyte from the Lovozero Peralkaline Massif, Kola Peninsula, Russia by Taras L. Panikorovskii, Julia A. Mikhailova, Yakov A. Pakhomovsky, Ayya V. Bazai, Sergey M. Aksenov, Andrey O. Kalashnikov, Sergey V. Krivovichev

“…The Lovozero peralkaline massif (Kola Peninsula, Russia) has several deposits of Zr, Nb, Ta and rare earth elements (REE) associated with eudialyte-group…”
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Pre-Pegmatite Stage in Peralkaline Magmatic Process: Insights from Poikilitic Syenites from the Lovozero Massif, Kola Peninsula, Russia by Julia A. Mikhailova, Yakov A. Pakhomovsky, Olga F. Goychuk, Andrey O. Kalashnikov, Ayya V. Bazai, Victor N. Yakovenchuk

“…The Lovozero peralkaline massif (Kola Peninsula, Russia) is widely known for its unique mineral diversity, and most of the rare metal minerals are found in…”
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Microwave-Assisted Synthesis of Titanosilicates Using a Precursor Produced from Titanium Ore Concentrate by Kalashnikova, Galina O., Gryaznova, Darya V., Baranchikov, Alexander E., Britvin, Sergey N., Yakovenchuk, Victor N., Samburov, Gleb O., Veselova, Varvara O., Pulyalina, Aleksandra Y., Pakhomovsky, Yakov A., Bazai, Ayya V., Glazunova, Margarita Y., Shirokaya, Anna A., Kozerozhets, Irina V., Nikolaev, Anatoly I., Ivanov, Vladimir K.

“…Titanosilicates comprise a broad class of materials with promising technological applications. The typical obstacle that restricts their industrial…”
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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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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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Cation ordering and superstructures in natural layered double hydroxides by Krivovichev, Sergey V, Yakovenchuk, Victor N, Zolotarev, Jr, Andrey A, Ivanyuk, Gregory N, Pakhomovsky, Yakov A

“…Layered double hydroxides (LDHs) constitute an important group of materials with many applications ranging from catalysis and absorption to carriers for drug…”
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Eudialyte Group Minerals from the Lovozero Alkaline Massif, Russia: Occurrence, Chemical Composition, and Petrogenetic Significance by Julia A. Mikhailova, Yakov A. Pakhomovsky, Taras L. Panikorovskii, Ayya V. Bazai, Victor N. Yakovenchuk

“…The Lovozero Alkaline Massif intruded through the Archean granite-gneiss and Devonian volcaniclastic rocks ca. 360 Ma ago and formed a large laccolith-type…”
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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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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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