| | Journal (article/letter/editorial) | Isotopic Composition of the Mineral-Forming Fluids of Corundum-Bearing Metasomatic Rocks at the Khitoostrov and...Kosygina 19, Moscow, 119991 Russia b Geological Faculty, Moscow State University, Moscow, 119991 Russia c Institute...Academy of Sciences, Staromonetnyi per. 35, Moscow, 119017 Russia e-mail:baksheev@geo.msu.ru Received June...extensive data on the oxygen isotopic composition of corundum, with the most comprehensive review published...isotopic criterion to distinguish between gem-quality corundum samples from genetically distinct deposits and | | Filina, M. I., Sorokina, E. S., Rassomakhin, M. A., Kononkova, N. N., Kostitsyn, Yu. A., Somsikova, A. V. (2019) Genetic Linkage of Corundum PlagioclasitesâKyshtymites and Miaskites of the IlmenogorskyâVishnevogorsky Complex, South Urals, Russia: New RbâSr and SmâNd Isotopic, Geochemical and Mineralogical Data. Geochemistry International, 57 (7) 821-828 doi:10.1134/s0016702919070048 | Journal (article/letter/editorial) | 7. SHORT COMMUNICATIONS Genetic Linkage of Corundum PlagioclasitesâKyshtymites and Miaskites of the...IlmenogorskyâVishnevogorsky Complex, South Urals, Russia: New RbâSr and SmâNd Isotopic, Geochemical and...(GEOKHI RAS), Moscow, Russia b Ilmen State Reserve, Chelyabinsk oblast, Miass, Russia *e-mail: makimm@mail...obtained on corundum plagioclasitesâkyshtymites from the 5th Versta deposit (South Urals, Russia). The genetic...alkaline complex. Keywords: corundum plagioclasites, kyshtymites, miaskites, corundum geochemistry, Ilmenog | | Filina, Maria I., Sorokina, Elena S., Botcharnikov, Roman, Karampelas, Stefanos, Rassomakhin, Mikhail A., Kononkova, Natalia N., Nikolaev, Anatoly G., Berndt, Jasper, Hofmeister, Wolfgang (2019) Corundum Anorthosites-Kyshtymites from the South Urals, Russia: A Combined Mineralogical, Geochemical, and U-Pb Zircon Geochronological Study. Minerals, 9 (4) 234 doi:10.3390/min9040234 | Journal (article/letter/editorial) | minerals Article Corundum Anorthosites-Kyshtymites from the South Urals, Russia: A Combined Mineralogical...Sciences (GEOKHI RAS), Kosygin str. 19, 119991 Moscow, Russia; elensorokina@mail.ru (E.S.S.); nnzond@geokhi...FRC MiG UB RAS, 456317 Miass, Chelyabinsk Region, Russia; miha_rassomahin@mail.ru Ilmen State Reserve SU...FRC MiG UB RAS, 456317 Miass, Chelyabinsk Region, Russia Department of mineralogy and lithology, Institute...Technologies, Kazan Federal University, 420008 Kazan, Russia; anatolij-nikolaev@yandex.ru Institut fĂŒr Mineralogie | | Yakovleva, O. S., Pekov, I. V., HorvĂĄth, L., Bryzgalov, I. A., Yapaskurt, V. O., Guseva, E. V. (2010) Mineralogy, geochemistry, and genesis of high-alumina fenites of the Mont Saint-Hilaire alkaline pluton, QuĂ©bec, Canada. Geology of Ore Deposits, 52 (8) 725-735 doi:10.1134/s1075701510080040 | Journal (article/letter/editorial) | Gusevaa a b Faculty of Geology, Moscow State University, Moscow, 119899 Russia Institute of Geochemistry and...Russian Academy of Sciences, ul. Kosygina 19, Moscow, 119991 Russia c 594 Main Road, Hudson Heights, QuĂ©bec...subdivided into four types: corundumâspessar tineâbiotiteâfeldspar, muscoviteâcorundumâhercyniteâbiotiteâfeldspar...replacing xenoliths in the Khibiny alkaline complex, Russia. In both cases, fenites are related to peralkaline...enriched in Al up to the appearance of rockforming corundum, hercynite, and alkalifree aluminarich silicates | | Balitsky, V. S., Balitsky, D. V., Balitsky, S. D., Aurisicchio, C., Roma, M. A. (2006) Silica and alumina transfer in supercritical aqueous fluids and growing of topaz monocrystals in them. Geochemistry International, 44 (2) 175-181 doi:10.1134/s0016702906020066 | Journal (article/letter/editorial) | Academy of Sciences, Chernogolovka, Moscow oblast, 142432 Russia **University of Montpellier II, Montpellier...***Division of Geology, Moscow State University, Vorobâevy gory, Moscow, 119992 Russia ****Rome University...transfer during the dissolution and growth of quartz, corundum, and topaz in supercritical aqueous fluids have...entirely consisting of either SiO2 (quartz) or Al2O3 (corundum) under a direct temperature gradient. Two modifications...and monocrystalline rods of quartz, topaz, and corundum of certain crystallographic orientation were placed | | Kissin, Aleksander, Gottman, Irina, Sustavov, Sergei, Murzin, Valery, Kiseleva, Daria (2020) The First Find of Cr2O3 Eskolaite Associated with Marble-Hosted Ruby in the Southern Urals and the Problem of Al and Cr Sources. Minerals, 10 (2) 101 doi:10.3390/min10020101 | Journal (article/letter/editorial) | Sciences, Vonsovskogo str., 15, 620016 Ekaterinburg, Russia; gottman@igg.uran.ru (I.G.); murzin@igg.uran.ru...University, Kuybysheva str.,30, 620144 Ekaterinburg, Russia; sustavov.s@ursmu.ru Correspondence: kissin@igg...Introduction The issue of Al and Cr sources in ruby (a corundum containing a chromium isomorphic impurity) deposits...red spinel. In the Middle Ural Mountains (Urals, Russia), uvarovite with a grossular admixture (Cr2 O3...norbergite. Type 3 rubies (more correctly called corundum) represented by skarn 1.5â3.0 cm wide is formed | | | Journal (article/letter/editorial) | Chernogolovka, Moscow oblast, 142432 Russia e-mail: dev@iem.ac.ru b Geological Faculty, Moscow State University...University, Vorobâevy gory, Moscow, 119992 Russia e-mail: egramen@geol.msu.ru, tishchek@geol.msu.ru Received...with an external heater and a cold seal at the Moscow State University and the Institute of Experimental...counting time Ï = 100 s, current I = 10 nA) at the Moscow State University (analysts E.V. Guseva and N.N...(analyst I.M. Romanenko) and Camebax SX50 at the Moscow State University (analysts N.N. Kononkova and I | | | Journal (article/letter/editorial) | of Sciences, Miass, Chelyabinsk oblast, 456317 Russia Received January 16, 2006 AbstractâThis paper...moonstone feldspars, nepheline, and cancrinite. Corundumâbiotiteâ feldspar and two-mica intergrowths and...and exsolution lamellae occur in stellate corundum from corundumâfeldspar veins. Syntactic intergrowths...1134/S1075701507070136 INTRODUCTION Syenitic (feldspar, corundumâfeldspar) and miaskitic (nephelineâfeldspar) pegmatites...growth. Oriented corundum intergrowths with mica and feldspar are characteristic of corundumâfeldspar pegmatites | | | Journal (article/letter/editorial) | Received November 23, 2015 AbstractâCorundum-containing and corundum-free plagioclasites localized in chromite-bearing...developed [1, 2], etc. Most of the chromium ores of Russia have been mined by now. Among ultramafites of the...monomineralic to amphibole and phlogopiteâamphibole corundum-containing rocks. In the southern part of the...of petrogenic oxides. Plagioclase in amphibole corundum-free rocks usually conforms to oligoclase, sometimes...grains. Oligoclase within the phlogopiteâamphibole corundum-containing plagioclasites is considerably enriched | | Ananyev, S. A., Konovalenko, S. I., Rastsvetaeva, R. K., Aksenov, S. M., Chukanov, N. V., Sapozhnikov, A. N., Zagorsky, V. E., Virus, A. A. (2011) Tashelgite, CaMgFe2 + Al9O16(OH), a new mineral species from calc-skarnoid in Gorny Shoria. Geology of Ore Deposits, 53 (8) 751-757 doi:10.1134/s1075701511080022 | Journal (article/letter/editorial) | Krasnoyarsk, 660041, Russia b Tomsk State University, pr. Lenina 36, Tomsk, 634050, Russia c Institute of Crystallography...Academy of Sciences, Leninskii pr. 59, Moscow, 119333, Russia d Institute of Problems of Chemical Physics...Academy of Sciences, Chernogolovka, Moscow oblast, 142432 Russia e Institute of Geochemistry, Siberian...of Sciences, ul. Favorskogo 1a, Irkutsk, 664033 Russia f Institute of Experimental Mineralogy, Russian...Academy of Sciences, Chernogolovka, Moscow oblast, 142432 Russia Received December 6, 2010 AbstractâA | | | Journal (article/letter/editorial) | Institutskaya ul. 4, Chernogolovka, Moscow oblast, 142423 Russia with the help of standard thermodetecting...of monocrystal quartz, a mixture of quartz and corundum monocrystal fragments, or a mixture of oxides... If we use a feedstock monocrystal quartz and corundum in solutions with the concentration of boric acid...position (table). Moreover, the surface of feedstock corundum became covered by well-shaped small prismatic...solution contains feedstock composed from quartz and corundum, we first observe tourmaline growth (up to 200 | | Goldin, B. A., Ryabkov, Yu. I., Sekushin, N. A., Nazarova, L. Yu., Askhabov, A. M. (2011) Nonlinear effects in corundum and ilmenite in high frequency electromagnetic fields. Doklady Earth Sciences, 436 (1) 25-27 doi:10.1134/s1028334x11010053 | Journal (article/letter/editorial) | pp. 72â74. GEOCHEMISTRY Nonlinear Effects in Corundum and Ilmenite in High Frequency Electromagnetic...drastically different radiophysical characteristics. Corundum ceramic samples were synthesized from pure substances...the frequency range of 8â26 GHz indicate that corundum ceramic samples scatter electromagnetic radiation...(Al,Cr,Fe)2O3 composition with the structure of corundum. Figure 1 shows a crystal lattice in which some...dependences for the O 1 2 Fig. 1. Elementary cell of corundum (trigonal rhombohe dral syngony, space group | | | Journal (article/letter/editorial) | 2007, No. 4, pp. 411â428. REE Distribution in Corundum-Bearing and Other Metasomatic Rocks during the...Academy of Sciences, Pyzhevskii per. 7, Moscow, 109017 Russia e-mail: tereh@ilran.ru Received May 23,...REE in metasomatic rocks, including those with corundum, that were formed during the exhumation of the...silicic metasomatic rocks. The deepest-sitting corundum-bearing and other mafic metasomatic rocks are...fluids at shallower depths. The fact that the corundum-bearing metasomatic rocks are enriched in REE | | Eppelbaum, L. V., Vaksman, V. L., Kuznetsov, S. V., Sazonova, L. V., Smirnov, S. A., Surkov, A. V., Bezlepkin, B. M., Katz, Yu. I., Korotaeva, N. N., Belovitskaya, G. I. (2006) Discovery of microdiamonds and associated minerals in the Makhtesh Ramon Canyon (Negev Desert, Israel) Doklady Earth Sciences, 407 (1) 202-204 doi:10.1134/s1028334x06020097 | Journal (article/letter/editorial) | Geophysical Association, Moscow, Russia 4 Department of Petrology, Geological Faculty, Moscow State University...Leninskie gory, Moscow, 119992 Russia; e-mail: saz@geol.msu.ru 5 Geographical Faculty, Moscow State University... Leninskie gory, Moscow, 119992 Russia 6 Department of Placer Exploitation, Moscow State GeologicalâProspecting...Miklukho-Maklaya 23, Moscow, 117873 Russia 7 Consultant on Applied Geology and Geophysics, Moscow, Russia 8 Paleontological...concentrated and sent to Moscow, where they were thoroughly analyzed in laboratories of the Moscow State University | | | Journal (article/letter/editorial) | Petrologiya, 2007, Vol. 15, No. 2, pp. 160â177. Corundum-Bearing Metasomatic Rocks in the Central Pamirs...Universitetskaya nab. 7/9, St. Petersburg, 199034 Russia e-mail: dufourms@rambler.ru b Institute of Precambrian...Sciences, nab. Makarova 2, St. Petersburg, 199034 Russia Received May 29, 2005 AbstractâThe Muzkol metamorphic...widespread occurrences of corundum mineralization, sometimes with gem-quality corundum. These occurrences are...crystalline schists. The calcite marbles contain corundum together with muscovite, scapolite, and biotite; | | | Journal (article/letter/editorial) | of metasomatic rocks of the BMB. We studied the corundum-bearing metasomatites that replace the Chupa gneisses...sequence within the Chupa segment of the BMB. The corundum-bearing metasomatites are subdivided into two...Academy of Sciences, Staromonetnyi per. 35, Moscow, 119017 Russia; e-mail: serebr@igem.ru b Institute of Precambrian... Petersburg, 199034 Russia c Center of Isotopic Research, Karpinskii All-Russia Research Institute of...Geology, Srednii pr. 74, St. Petersburg, 199106 Russia broid amphibolites. If the replaced rocks are | | Mikhailova, Yu. A., Konopleva, N. G., Yakovenchuk, V. N., Ivanyuk, G. Yu., Menâshikov, Yu. P., Pakhomovsky, Ya. A. (2007) Corundum-group minerals in rocks of the Khibiny alkaline pluton, Kola Peninsula. Geology of Ore Deposits, 49 (7) 590-598 doi:10.1134/s107570150707015x | Journal (article/letter/editorial) | Mineralogicheskogo Obshchestva, 2006, No. 5, pp. 41â54. Corundum-Group Minerals in Rocks of the Khibiny Alkaline...Apatity, 184200 Russia Received March 6, 2006 AbstractâFive minerals of the corundum group have been...identified in the Khibiny pluton with certainty. Corundum proper and karelianite occur only in hornfels...DOI: 10.1134/S107570150707015X INTRODUCTION The corundum group comprises trigonal oxides with crystal structure...are occupied by trivalent cations (corundum subgroup, R 3 c: corundum, hematite, karelianite, and eskolaite) | | | Journal (article/letter/editorial) | Light Oxygen Isotope Composition in Minerals of Corundum-Bearing Rocks in Northern Karelia S. V. Vysotskii...and rocks in general. We have studied samples of corundum-bearing garnetâamphiboleâphlogopite plagiogneiss...up not less than ± 0.2â° for ÎŽ18O. A series of corundum occurrences is known within the Chupa Sequence...amphibole schists. It is believed [1, 4] that all corundum occurrences are structurally related to overthrusts...overthrusts and their composition depends on the site of corundum-bearing occurrences in thrust nappes. Two viewpoints | | | Journal (article/letter/editorial) | discussion of âEnigmatic super-reduced phases in corundum from natural rocks: Possible contamination from...Mineralogy SB RAS, Novosibirsk, Russia Novosibirsk State University, Novosibirsk, Russia c Institute for High Pressure...Pressure Physics RAS, Moscow, Russia d Geochemical Research Center, University of Tokyo, Tokyo, Japan...possibility of the anthropogenic origin of enigmatic corundum with super-reduced (SR) inclusions found in nature...similarity of SR mineral assemblage hosted by corundum grains from synthetic abrasive, ophiolite rocks | | | Journal (article/letter/editorial) | 603600 Russia e-mail: petkov@uic.nnov.ru ** Moscow State University, Vorobâevy gory, Moscow, 119899...119899 Russia Received March 26, 1999 AbstractâThe general principles of the structural organization for the...between the structures with mixed frameworks and the corundum (Al2O3) structure, sp. gr. R 3 c (Fig. 2a). Figure...orientation inheriting the clinoplane n of the initial corundum motif into cy or to âcutâ from the structure a...also related to the initial corundum-like motif. In the initial corundum-like motif, one can single out | | Sorokina, Elena S., Karampelas, Stefanos, Nishanbaev, Tursun P., Nikandrov, Sergey N., Semiannikov, Boris S. (2017) Sapphire Megacrysts In Syenite Pegmatites From the Ilmen Mountains, South Urals, Russia: New Mineralogical Data. The Canadian Mineralogist, 55 (5) 823-843 doi:10.3749/canmin.1700016 | Journal (article/letter/editorial) | PEGMATITES FROM THE ILMEN MOUNTAINS, SOUTH URALS, RUSSIA: NEW MINERALOGICAL DATA ELENA S. SOROKINA§ Vernadsky...Academy of Sciences, 19 Kosygin St., 119991 Moscow, Russia STEFANOS KARAMPELAS Bahrain Institute for...Chelyabinsk region, Russia BORIS S. SEMIANNIKOV 20 Dekabristov St., b. 1, 127273 Moscow, Russia ABSTRACT Sapphires...translucent megacrysts up to 6 cm in length. The corundum crystallized during the magmatic stage in equilibrium...stage in which muscovite formed by the reaction corundum ĂŸ orthoclase ĂŸ H2O muscovite and diaspore precipitated | | | Journal (article/letter/editorial) | Academy of Sciences, Chernogolovka, Moscow oblast, 142432 Russia *e-mail: khodorevskaya@mail.ru **e-mail:...amphiboleâzoisite lenses that sometimes host ruby-like corundum. The fluid phase that induced metasomatism was...metasomatites, hornblendite, metagabbro, fluid, corundum DOI: 10.1134/S001670291806006X INTRODUCTION In...Zoâzoisite, Chlâchlorite, Apâapatite, Ttnâtitanite, Crnâcorundum, Dspâdiaspore, Ilmâilmenite, Magâmagnetite, Rtârutile...banding, (b) metamorphic banding and foliation Corundum occurrences 82 Fig. 1. Schematic geological | | | Journal (article/letter/editorial) | 673â677. GEOCHEMISTRY The First Finding of Corundum in Exsolution Structures of Oxides in Gabbroic...intergrowths of magnetite, ilmenite, hercynite, and corundum. The amounts of these aggregates occasionally...general, corundum is infrequent in exsolution structures of oxides, and the mode of corundum occurrence...Sciences, ul. Pervomaiskaya 54, Syktyvkar, 167982 Russia; e-mail: kulikova@geo.komisc.ru 2 Institute of...Academy of Sciences, Chernogolovka, Moscow oblast, 142432 Russia plates within a grain (Fig. 2b). In | | | Journal (article/letter/editorial) | Geokhimiya, 2017, No. 11, pp. 1015â1026. Origin of Corundum Rocks of the Belomorian Mobile Belt: Evidence...Russian Academy of Sciences, St. Petersburg, 199034 Russia b St. Petersburg State University, Institute of...199034 Russia cGeological Institute, Kola Center, Russian Academy of Sciences, Apatity, 184209 Russia *e-mail:...gas-liquid microinclusions from minerals of the corundum-bearing and host rocks of the Khitoostrov occurrence...isotopic geochemistry, extremely light oxygen, corundum-bearing metasomatites, Belomorian mobile belt | | | Journal (article/letter/editorial) | 35, Moscow, 119017 Russia b Research Institute of Atomic Reactors, Dimitrovgrad10, 433512, Russia c University...perovskite. Panels (a, b): 1, garnet; 2, perovskite; 3, corundum; p, pore. RADIATION STABILITY OF GARNET UNDER...parameter 12.08 Ă
, perovskite (20 vol %), and corundum (5 vol %). Garnet occurs as an aggregate with...as isometric grains up to 10 ÎŒm in size, while corundum is identified as irregular grains up to 5 ÎŒm in...4). Perovs kite and corundum were identified in sample YSm1 and only corundum in sample YSm2. The |
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