 | | Journal (article/letter/editorial) | | xenoliths and to identify the features of garnet–omphacite assemblages, the characteristics of diamonds of...Enterprise AK ALROSA, Mirnyi, Republic of Sakha (Yakutia), 678170 Russia *e-mail: spetsiuszv@alrosa.ru 88 XENOLITHS...melting in the form of veinlets in rock forming omphacite and garnet [15]. These facts point to the metasomatic |  | | Journal (article/letter/editorial) | | Alrossa Diamond Company, Ltd. Mirny, Yakutia, 678170, Russia AND LAWRENCE A. TAYLOR1 Planetary Geosciences...Udachnaya, Mir, and other Yakutian kimberlites in Russia. The crystallization products of these incomplete...represented as a “spongy” texture around primary omphacite, include secondary clinopyroxene (with lesser...from Yakutia was described as an alteration of omphacite by a “serpentine-like” substance (Williams, 1932;...(McCormick et al., 1994). This alteration of primary omphacite is actually the evidence for its partial melting |  | Bellatreccia, F., Camara, F., Ottolini, L., Della Ventura, G., Cibin, G., Mottana, A. (2005) WILUITE FROM ARICCIA, LATIUM, ITALY: OCCURRENCE AND CRYSTAL STRUCTURE. The Canadian Mineralogist, 43 (5) 1457-1468 doi:10.2113/gscanmin.43.5.1457 | Journal (article/letter/editorial) | | recently characterized from a sample of Wilui River, Sakha Republic, Russian Federation, and found within serpentinite...the world (Groat et al. 1998): 1) Wilui River, Sakha Republic, Russian Federation, 2) Templeton Township...a composition very similar to wiluite from the Sakha Republic (Groat et al. 1998), the only notable difference...very similar to that of holotype wiluite from the Sakha Republic (Groat et al. 1998), but it has significantly...range of OH fundamentals of paragenetic garnet, omphacite and kyanite in an eclogitic mantle xenolith. Mineral |  | | Journal (article/letter/editorial) | | Sciences, Novosibirsk 630090, Russia b Institute of Diamonds, Moscow 117593, Russia ’ CSIRO Exploration and...Macquan’e Vniversiiy, Sydney 2109, Australia ’ Russia-Sakha Diamond Company, Mirnii, Russian Federation...of the larger Mir pipe in central Yakutia &&ha), Russia. Study of 38 large diamonds (0.7-4.9 carats) showed...series. The eclogitic inclusion suite comprises omphacite, garnet, Ni-poor sulfide, phlogopite and rutile...kimberlite. Eclogitic phlogopite is intergrown with omphacite, coexists with garnet, and has an unusually high |  | Kamenetsky, Vadim S., Maas, Roland, Kamenetsky, Maya B., Paton, Chad, Phillips, David, Golovin, Alexander V., Gornova, Marina A. (2009) Chlorine from the mantle: Magmatic halides in the Udachnaya-East kimberlite, Siberia. Earth and Planetary Science Letters, 285 (1) 96-104 doi:10.1016/j.epsl.2009.06.001 | Journal (article/letter/editorial) | | of Geology and Mineralogy, SB RAS, Novosibirsk, Russia d Vinogradov Institute of Geochemistry and Analytical...Analytical Chemistry, SB RAS, Irkutsk, Russia b c a r t i c l e i n f o Article history: Received 27...characteristic grain boundary alteration of primary omphacite and garnet, observed in many kimberlite-hosted...clinopyroxene depleted in Na and Al relative to original omphacite (Fig. 7), and multiphase “kelyphitic” rims around...D) showing “alteration” at the contact between omphacite (Cpx1) and garnet (Gr) in kimberlite-hosted eclogite |  | | Journal (issue) | | demantoid and cat’s-eye demantoid from Iran • Blue omphacite from Guatemala • Black cultured pearls from Japan... Japan, New Zealand, Siberia, and elsewhere in Russia (Anthony et al., 1995). The owner of the samples...magnified 20×. 68 GEM NEWS INTERNATIONAL Blue omphacite from Guatemala. A small number of rough and polished...polished specimens of a new dark blue omphacite “jade” were displayed by Ventana Mining Co. (Los Altos...Westward Look Resort. Ideally (Ca,Na)(Mg,Al)Si2O6, omphacite is a member of the pyroxene group, and is composed |  | | Journal (article/letter/editorial) | | Novosibirsk 630090, Russia Novosibirsk State University, Ul. Pirogova 2, Novosibirsk 630090, Russia ALROSA Co....Ul. Lenina 6, Mirny 678170, Republic of Sakha (Yakutia), Russia A R T I C L E I N F O Article history:...Mineralogy, Koptyuga Ave. 3, Novosibirsk 630090, Russia. Tel./fax: +7 383 3332538. E-mail address: shatsky@uiggm...of secondary alteration and partial melting of omphacite, which suggests their metasomatic origin (Taylor...Grt2 — garnets; Cpx1/1, Cpx1/2, Cpx1/3 — primary omphacite clinopyroxenes; Cpx2 — “spongy” textured clinopyroxene; |  | Aranovich, L. Ya., Bortnikov, N. S., Bushmin, S. A., Vikent’eva, O. V., Dubinina, E. O., Kozlovskii, V. M., Lebedeva, Yu. M. (2009) Fluid flows in regional deformation zones. Petrology, 17 (4) 389-409 doi:10.1134/s0869591109040055 | Journal (article/letter/editorial) | | Sciences, Staromonetnyi per. 35, Moscow, 119017 Russia e-mail: lyaranov@igem.ru b Institute of Precambrian...Universitetskaya nab. 7, St. Petersburg, 199034 Russia e-mail: bushmin@SB1402.spb.edu Received October...quartz, the main eclogitic minerals, garnet and omphacite, are stabilized to significantly lower pressures...given T) under which jadeite can be formed (or omphacite with a given content of jadeite end-member). As...jadeite (or plagioclase of the given composition to omphacite) transformation (Fig. 3b). Figure 3b shows also |  | Zedgenizov, Dmitry, Bogush, Irina, Shatsky, Vladislav, Kovalchuk, Oleg, Ragozin, Alexey, Kalinina, Viktoriya (2019) Mixed-Habit Type Ib-IaA Diamond from an Udachnaya Eclogite. Minerals, 9 (12) 741 doi:10.3390/min9120741 | Journal (article/letter/editorial) | | Russian Academy of Science, 630090 Novosibirsk, Russia; shatsky@igm.nsc.ru (V.S.); ragoz@igm.nsc.ru (A...Novosibirsk State University, 630090 Novosibirsk, Russia NIGP (Geo-Scientific research Enterprise) ALROSA...Co., Chernyshevskoe rd. 7, 678170 Mirny, Sakha Republic, Russia; BogushIN@alrosa.ru (I.B.); KovalchukOE@alrosa...almandine 46%, pyrope 29% and grossular 21%. omphacite (5.39 wt. % of elements (5.39 in garnets clinopyroxenes...major Primary clinopyroxene is Na represented by omphacite wt. %and of Na 2O). The major elements in group |  | | Journal (article/letter/editorial) | | prospect Kopt?yup 3., Novosibirsk-90, 630090, Russia, E-mail:misha@uiggm.nsc.ru (Mnnuscript rec-eizwd...Ca-richpyrope-almandine, omphacite, kyanite, rutile, and mica. P-T estimates for co-existing garnet and omphacite are 700-800°C...(Gabov et al., 1984). The Sm-Nd age of garnet, omphacite, and bulk rock is 650 Ma (Shatsky et al., 1996)...Precambrian ophiolitic belts of Southern Siberia (Russia) and their metallogeny. Precamb. Res., v. 58, pp...(2001) Tectonics, geodynamics and metallogeny of the Sakha Republic (Yakutia), Moscow, MAIK NaukVInterperiodika |  | Bulanova, G.P., Wiggers de Vries, D.F., Pearson, D.G., Beard, A., Mikhail, S., Smelov, A.P., Davies, G.R. (2014) An eclogitic diamond from Mir pipe (Yakutia), recording two growth events from different isotopic sources. Chemical Geology, 381. 40-54 doi:10.1016/j.chemgeo.2014.05.011 | Journal (article/letter/editorial) | | Institute, Siberian Branch RAS, Yakutsk, Lenina 39, Sakha, Russia b c a r t i c l e i n f o Article history:...disequilibrium between the mineral phases. A primary omphacite phase has Mg# 66, a high jadeite content, 0.3...formed as the result of decompression of primary omphacite in a partly open system in the presence of a fluid/melt...Estimated formation pressure for the primary omphacite based on experimental data is 6 GPa and significantly...and d). The small inclusion mainly consists of omphacite (Omph) characterised by Cr# (100 × Cr/Cr + Al) |  | | Journal (article/letter/editorial) | | of eclogite xenoliths from Yakutian kimberlites, Russia T.A. Alifirova, L.N. Pokhilenko, A.V. Korsakov...of eclogite xenoliths from Yakutian kimberlites, Russia, LITHOS (2015), doi: 10.1016/j.lithos.2015.01.020...eclogite xenoliths from 2 Yakutian kimberlites, Russia 3 Alifirova T.A.1,*, Pokhilenko L.N.1, Korsakov...common, being described in kimberlites of Yakutia, Russia 44 (Jerde et al., 1993; Taylor et al., 2003)...from Yakutian kimberlite pipes (Siberian platform, Russia). Major-element composition 67 data are used |  | | Book (edition) | | Canadian Mineralogist Doklady Akademii Nauk of Russia European Journal of Mineralogy Journal of Mineralogy...Kudriavy Vole., lturup Is., Kuril volcanic Isl., Russia. ZRMO 136, 5, 45-51, 2007. Adachiite CaFe3i- Al6...fumaroles on Tolbachik Vole., Kamchatka Penin., Russia. ZRMO 134, 3, 70-74, 2005. Alloriite NasK1.5Caw[(OH)o...e on Koashva 1t.. K.hibinymassif. Kola Penin., Russia. ZRMO 137, 2, 43-52, 2008. Angarfite Na(Fe3\Mg)...with pyFrom the Afrikanda massif, Kola Penin., Russia. IMA robelonite, reppiaite, etc., in jacobsite |  | | Journal (article/letter/editorial) | | Chernyshevskoe sh. 7, Mirnyi, 678170, Yakutia (Sakha), Russia Received February 15, 2006 Abstract—The paper...olivine and chrome spinel. Sporadic inclusions of omphacite and orange garnet are also noted. The bulk amount |  | | Book (edition) | | vilayet (Turkey), region (Chile), kray and oblast (Russia). The country names are always included in text...divisions inside those countries, e.g in Spain, UK, Russia, some African countries, etc. Several repeated...SSSR, ser. geologiya, now Doklady Akademii nauk of Russia EJM - European Journal of Mineralogy EG - Economic...at Burumskoye, Vitim River Valley, all Siberia, Russia. In many localities in New Zealand. Deer et al...Aegirine in charoite, xx I 5 111111,Munm massif, Russia, G Lanion in blueor palegreenglobulesandblueor |  | | Journal (article/letter/editorial) | | (RAS), 39 Lenin St., Yakutsk 677007, Republic Sakha, Russia Abstract This article summarises data on the...in Table 1 ). An evolution in the chemistry of omphacite inclusions during the time of diamond growth was...eclogitic diamonds with distinctly different omphacite compositions are the coated diamond from Udachnaya...Differences in the Ca, Mg and Fe contents of omphacite and garnets from single diamonds also were found...V.C., 1976. Inclusions of coesite, garnet and omphacite in diamonds of Yakutia - - first find of coesite |  | | Journal (issue) | | lucrative diamond sources in Angola, Namibia, and Russia. De Beers recast its own operations at the turn...figures for industrial diamonds not available. c All Russia/USSR data before 2003 are based on estimates, with...prices—particularly of polished goods under a carat. Russia. One of the most significant and tumultuous events...government in Moscow and the local authority in Sakha, the semiautonomous republic that produces 98% of...Almazziirossi-Sakha (now shortened to Alrosa), Russian for “Diamonds of Russia and Sakha.” Ownership of |  | | Journal (article/letter/editorial) | | Sciences, Novosibirsk, Russia 2 Novosibirsk State University, Novosibirsk, Russia 3 Budker Institute...Branch Russian Academy of Sciences, Novosibirsk, Russia 4 A. P. Vinogradov Institute of Geochemistry...Siberian Branch Russian Academy of Sciences, Irkutsk, Russia number of mechanical impurities – various mineral...orthopyroxene, garnet and diopside), eclogites (garnet, omphacite) and rarely websterites and others (Sobolev 1977;...and in the Ray-Iz ophiolite in the polar Urals, Russia (Yang et al. 2014; Yang et al. 2015) has extended |  | | Book | | CONFERENCE Novosibirsk, August 1995 EXTENDED ABSTRACTS RUSSIA ORGANIZING COMMITTEE Additional copies and other... Universitetsky pr. 3, Novosibirsk 90, 630090, Russia TeL: (007) 3832-354655 Fax: (007)-3832-352692 ...alkali-pikrite pipes, Orto-Yiarga Field (Yakutia), Russia...37 Technique of a prognosis and prospering of...Africa......40 Eclogites from the Mir kimberlite, Russia: evidence of an archean ophiolite protolith...41...basalts from Hamar-Daban, Southern Baikal region, Russia.249 Experimenral investigation on the interaction |  | | Book | | S. Siberia, Russia E. Transbaikalia, S. Siberia, Russia Aldan shield, Siberia, Russia Aldan shield,...Siberia, Russia Ukraine Primor'ie Aldan shield, Siberia, Russia Aldan shield, Siberia, Russia Karamazar...shield, Siberia, Russia Aldan shield, Siberia, Russia Aldan shield, Siberia, Russia Kazakhstan Pskem...River, Uzbekistan Russia Trudolyubovka Village, Crimea Subpolar Urals (East slope), Russia Subpolar Urals...Urals (East slope), Russia Subpolar Urals Subpolar Urals (East slope), Russia North Kazakhstan Rudnyi, North |  | | Book (volume) | | of Problems of Chemical Physics Chernogolovka, Russia ISSN 2194-3176 ISSN 2194-3184 (electronic) ISBN...illustrations was also significant. Chernogolovka, Russia Nikita V. Chukanov Contents of Volume I 1 ...Mt., Lovozero alkaline massif, Kola peninsula, Russia (After Chukanov et al. 2011) Fig. 1.3 IR spectrum...typical cancrinite from Vishnevye Mts., Urals, Russia (After Chukanov et al. 2011) 4 1 The Application...Greece (4); Cu-enriched adamite from Dalnegorsk, Russia (5); Cu-poor adamite from Lavrion, Greece (6) and |  | Abersteiner, Adam, Kamenetsky, Vadim S., Goemann, Karsten, Golovin, Alexander V., Sharygin, Igor S., Giuliani, Andrea, Rodemann, Thomas, Spetsius, Zdislav V., Kamenetsky, Maya (2019) Djerfisherite in kimberlites and their xenoliths: implications for kimberlite melt evolution. Contributions to Mineralogy and Petrology, 174 (1) doi:10.1007/s00410-018-1540-8 | Journal (article/letter/editorial) | | Investigation Enterprise, ALROSA PJSC, Mirny, Yakutia, Russia 13 Vol.:(0123456789) 8 Page 2 of 22 Introduction...samples from the Udachnaya-East (Group I) kimberlite (Russia), which were derived from two mineralogically and...Obnazhennaya and Vtorogodnitsa (Group-I) kimberlites (Russia). 7. Kimberlite rock samples from the Koala and...order of relative abundance) groundmass Craton (Russia) carbonate (calcite, Na–K carbonates ± some ~ 365–367...Vtorogodnitsa kimberlites (Group I), Siberian Craton (Russia) 158–170 Ma (Sun et al. 2014) Locality and age |  | | Journal (article/letter/editorial) | | group, but ordered in the intermediate member omphacite, ideally (Ca0.5Na0.5)(Mg0.5Al0.5)Si2O6, with P2/n...species isostructural with vesuvianite, from the Sakha Republic, Russian Federation. Can. Mineral. 36, |  | | Journal (issue) | | of the Lomonosov Diamond Deposit, Northwestern Russia Karen V. Smit and Russell Shor Reviews diamond...DEPOSIT, NORTHWESTERN RUSSIA Karen V. Smit and Russell Shor The Siberian craton in Russia hosts many of the...its diamond mines occur in the semi-autonomous Sakha Republic within the geological bounds of the Siberian...purple diamonds. HISTORY OF DIAMOND MINING IN RUSSIA See end of article for About the Authors and Acknowledgments...2.144 © 2017 Gemological Institute of America Russia is the world’s largest diamond producer by volume |  | | Journal (issue) | | Moscow, Russia Tel/fax: (7-095) 2033574 Color separation and printing: PPA "Leo Tolstoy" Tula, Russia. CONTENTS...of the city of Aldan, Republic o f Sakha (former Yakutia), Russia. (Fig. 1) *Author's note: The same...Stones, Ns 11/96 1 1 Landscape. Inagli. Aldan, Sakha-Yakutia. Photo: V. Gadiyatov. Chrome-diopside deposit...and Currency by the Government of the Republic of Sakha (Yakutia). The study of geologic features of the...Authors: Robert W. Jones (USA) and Michael Leybov (Russia) BOX 51 SHORT HILLS NEW JERSEY O 7 O 7 8 USA FAX: |
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