 | | Journal (article/letter/editorial) | | kimberlite pipe (Kuoika kimberlite field, Olenek Block of the Siberian Platform). Kuoika kimberlite field is...Opx; 3–8% Cpx; 0.5–9% Sulf; 0.5–7% Sp. Spinel websterite con tains 9.6% Graph; 47.6% Opx; 34.5% Cpx;...Siberian Branch, Russian Academy of Sciences, Irkutsk, Russia b Vinogradov Institute of Geochemistry, Siberian...Siberian Branch, Russian Academy of Sciences, Irkutsk, Russia email: solv777@crust.irk.ru ular grains, and...elements (orthopyroxeneites Sl96, Sl119, and websterite Sl 534) were prepared from ultrapure fractions |  | Solov’eva, L. V., Kalashnikova, T. V., Kostrovitsky, S. I., Ivanov, A. V., Matsuk, S. S., Suvorova, L. F. (2017) Phlogopite and phlogopite–amphibole parageneses in the lithospheric mantle of the Birekte terrane (Siberian craton) Doklady Earth Sciences, 475 (1) 822-827 doi:10.1134/s1028334x17070273 | Journal (article/letter/editorial) | | mineralization from kimberlites of the Kuoika field have been studied. Such xenoliths were found in...phlogopite from kimberlite pipes of the Kuoika field located within the Birekte terrane in the northeastern...described in xenoliths from the Obnazhennaya kimberlite pipe (Kuoika field) in two series of deep-seated...Branch, Russian Academy of Sciences, Irkutsk, 664033 Russia b Vinogradov Institute of Geochemistry, Siberian...Branch, Russian Academy of Sciences, Irkutsk, 664033 Russia c Institute of Geochemistry, Mineralogy, and Ore |  | | Journal (article/letter/editorial) | | In some pipes, for example the Obnazhennaya of the Lower Olenek district, Yakutia, the xenoliths exhibit...-bearing ultramafic rocks and eclogite in the Obnazhennaya pipe contain sulfide minerals, which we have already...inclusions of ultramafic rocks and eclogite found in the pipe, we selected specimens with different textures and...lherzolite, phlogopitized and olivinefree rocks (websterite) and eclogite (spec. no. 0-270). Measurements...Zagadochnaya pipe (1, 6, 8). The main sulfide minerals in pyrope peridotite of the Obnazhennaya pipe are pentlandite |  | | Journal (article/letter/editorial) | | ACCEPTED MANUSCRIPT Abstract Garnet–(olivine) websterite xenoliths from the lithospheric mantle of the...investigated 13 such xenoliths from the Mir, Obnazhennaya, and Udachnaya kimberlite pipes. All samples...history. The reconstructed compositions of the websterite whole-rocks have high MgO contents (15.7–35.7...element abundances and ratios of the Siberian websterite suite resemble those of South African Al-enriched...Siberian Craton, subcontinental lithospheric mantle, websterite, whole-rock chemistry, xenolith ACCEPTED MANUSCRIPT |  | Alifirova, Taisia Aleksandrovna, Pokhilenko, Lyudmila Nikolaevna, Ovchinnikov, Yuriy Ivanovich, Donnelly, Cara Lyhn, Riches, Amy J.V., Taylor, Lawrence August (2012) Petrologic origin of exsolution textures in mantle minerals: evidence in pyroxenitic xenoliths from Yakutia kimberlites. International Geology Review, 54 (9) 1071-1092 doi:10.1080/00206814.2011.623011 | Journal (article/letter/editorial) | | Branch, Russian Academy of Science, Novosibirsk, Russia, 630090 b Department of Earth and Planetary Sciences...Branch, Russian Academy of Science, Novosibirsk, Russia 630090; Department of Earth and Planetary Sciences...pyroxenite xenoliths from the Mir, Udachnaya, and Obnazhennaya kimberlites (Siberian Craton) reveal a diverse...instances, may have approached the majorite stability field. Pyroxenites that do not contain primary garnet...Siberian Craton (Figure 1). The non-diamondiferous Obnazhennaya kimberlite (148 ± 3 Ma; Davis et al. 1980) was |  | Ionov, Dmitri A., Doucet, Luc S., Xu, Yigang, Golovin, Alexander V., Oleinikov, Oleg B. (2018) Reworking of Archean mantle in the NE Siberian craton by carbonatite and silicate melt metasomatism: Evidence from a carbonate-bearing, dunite-to-websterite xenolith suite from the Obnazhennaya kimberlite. Geochimica et Cosmochimica Acta, 224. 132-153 doi:10.1016/j.gca.2017.12.028 | Journal (article/letter/editorial) | | carbonate-bearing, dunite-to-websterite xenolith suite from the Obnazhennaya kimberlite Dmitri A. Ionov...carbonate-bearing, dunite-to-websterite xenolith suite from the Obnazhennaya kimberlite, Geochimica et Cosmochimica...carbonate-bearing, dunite-to-websterite xenolith suite from the Obnazhennaya kimberlite a,b* Dmitri A...the main text 1 Abstract (434 words) The Obnazhennaya kimberlite in the NE Siberian craton hosts a...minerals of 20 spinel and garnet peridotites from Obnazhennaya with Re-depletion Os isotope ages of 1.8–2.9 |  | Matsyuk, S. S., Platonov, A. N., Genshaft, Yu. S., Saltykovskiy, A. Ya., Slodkevich, V. V., Kaminskiy, F. V., Kepezinskas, V. V. (1988) OPTICAL SPECTROSCOPIC INVESTIGATION OF GARNETS FROM DEEP-SEATED ASSEMBLAGES. International Geology Review, 30 (8) 920-930 doi:10.1080/00206818809466072 | Journal (article/letter/editorial) | | intrusion cut through by the Lingorka alkali-basalt pipe (Bo hemian massif) [29]. The garnets here differ...near theLingorkapipe, Czechoslovakia. fall in the field of cataclastic lherzolites or lie near the nominal...intrusion near the Lingorka pipe; 4 and 5) from porphyritic lherzolite and websterite xenoliths, respectively...respectively in the Lingorka pipe; 6) from recent deposits in the region of the Lingorka pipe; 7 and 8) from por...Bohemian dunite lie in the dark reddish-purple field of the wehrlite assemblage in kimberlites (Fig. |  | | Journal (article/letter/editorial) | | pr. Akademika Koptyuga 3, Novosibirsk, 630090, Russia Received 26 April 2013; accepted 14 May 2013 Abstract...sample of 973 grains of pyropes of lherzolite and websterite parageneses. Three grains contain 11.9, 12.6...exclusion is the Triassic Malokuonapskaya kimberlite pipe (Khar’kiv et al., 1998) with the near-commercial...classical example of a barren kimberlite pipe is the Obnazhennaya pipe, whose Mesozoic (Jurassic) age was established...kimberlite pipe (1) in the Kuranakh kimberlite field, Obnazhennaya pipe (2) in the Kuoik kimberlite field, and |  | Budanova, K. T., Genshaft, Yu. S., Kiselev, A. I., Kopylova, M. G., Lutkov, V. S., Melyakhovetskiy, A. A., Popov, A. M., Saltykovskiy, A. Ya., Soloviyeva, L. V., Spetsius, Z. V. (1992) COMPOSITIONAL MODEL OF THE CRUST AND UPPER MANTLE OF THE CRATONIC AND OROGENIC STRUCTURES OF THE USSR (ILLUSTRATED BY THE PAMIR-TIEN SHAN, BAIKAL-MONGOLIAN REGIONS AND THE SIBERIAN CRATON) International Geology Review, 34 (4) 382-411 doi:10.1080/00206819209465610 | Journal (article/letter/editorial) | | and "basaltic" layers, a deep low of the gravity field (and on the whole, a low-density mantle) and low...background and slight differentiation of the magnetic field [113]. There are heterogeneous structures with differences...7) spinel and garnet rocks of Khangay [239]; 8) field of equilibrium temperatures for mantle xenoliths...Bartoy volcanoes, situated in a highertemperature field than the Vitim volcanoes. This is independently...movement of the melt in a nonhydrostatic stress field indicate that not only plastic flow, but also brittle |  | Taylor, Lawrence A., Snyder, Gregory A., Keller, Randall, Remley, David A., Anand, Mahesh, Wiesli, Rene, Valley, John, Sobolev, Nikolai V. (2003) Petrogenesis of group?A eclogites and websterites: evidence from the Obnazhennaya kimberlite, Yakutia. Contributions to Mineralogy and Petrology, 145 (4) 424-443 doi:10.1007/s00410-003-0465-y | Journal (article/letter/editorial) | | eclogites and websterites: evidence from the Obnazhennaya kimberlite, Yakutia Received: 21 April 2002... Abstract Mantle xenoliths from the Obnazhennaya kimberlite pipe, Yakutia, possess a large range of mineralogical...the Obnazhennaya group A and the well-studied group B eclogites from the Udachnaya kimberlite pipe. In...Petrography, Russian Academy of Science, Novosibirsk, Russia Editorial responsibility: T. Grove Introduction...clinopyroxene, has been designated as garnet websterite. However, because of the distinct similarities |  | Snyder, G. A., Taylor, L. A., Crozaz, G., Halliday, A. N., Beard, B. L., Sobolev, V. N., Sobolev, N. V. (1997) The Origins of Yakutian Eclogite Xenoliths. Journal of Petrology, 38 (1) 85-113 doi:10.1093/petroj/38.1.85 | Journal (article/letter/editorial) | | BRANCH, RUSSIAN ACADEMY OF SCIENCES, NOVOSIBIRSK, RUSSIA RECEIVED SEPTEMBER 27, 1995 REVISED TYPESCRIPT...from eclogites of the Udachnaya kimberlite pipe, Yakutia, Russia. Furthermore, eclogites from two other Yakutian...Yakutian kimberlite pipes, Mir and Obnazhennaya, have been studied in detail and offer contrasting images...vast majority of eclogites studied from the Obnazhennaya pipe also exhibit characteristics of Group A eclogites...claimed that two Yakutian eclogites (from the Obnazhennaya pipe) were derived from an extremely light rare-earth |  | | 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...as from the northeastern edge of the craton (Obnazhennaya kimberlite) 15 were studied in detail. Garnet...common, being described in kimberlites of Yakutia, Russia 44 (Jerde et al., 1993; Taylor et al., 2003) |  | | Journal (article/letter/editorial) | | dunite, and kimberlite from Yakutia (Republic of Russia), the data for which are summarized by Sobolev...geoLogicaL setting The diamond deposits of Siberia (Russia) compose the Yakutian kimberlite province, located...including the Udachnaya mine (Daldyn kimberlitic field, close to Arctic Circle), the Mir and Internatsionalnaya...Internatsionalnaya mines (Malo-Botuobiya kimberlite field, about 500 km to the south) are all of Upper Devonian-Early...Carboniferous age (e.g., Sobolev et al. 2004). The Obnazhennaya barren pipe of Upper Jurassic age is located farther |  | | Journal (article/letter/editorial) | | Moscow State University, Leninskie Gory 1, 119234, Russia Institute of Experimental Mineralogy, Russian Academy...Institutskaya 4, Chernogolovka, Moscow Region, 142432, Russia Received 13 January 2015; accepted 3 April 2015...E-mail address: alp@geol.msu.ru (A.L. Perchuk) pipe kimberlite, Yakutia (Sobolev et al., 2015). However...garnet websterite (with omphacite clinopyroxene) xenoliths from the Obnazhennaya kimberlite pipe, Yakutia...omphacite. Nevertheless, the thermodynamic stability field of omphacite and the chemical composition of the |  | | Journal (article/letter/editorial) | | the orthopyroxene. However, they do define the field of stability of hypersthene, at pressures up to...Granulite Garnet amphibolite Eclogite » » 'a a Rock Websterite a Same Eclogite Source 44 71 73 73 51,52...uponthe KW within the system. of our studies in the field. Calcium and magnesium contents of coexisting clinopyroxene...levelling the first one. As the result, in the field of calcium pyroxenes, the heterothermal connodes...Pli,T a+Hyp=Gr+Py+Qtz rnonovariant line into the field where the pressures are higher, but the temperatures |  | Garanin, V. K., Kudryavtseva, G. P., Marakushev, A. A., Cherenkova, A. F., Cherenkov, V. G. (1987) A NEW VARIETY OF DEEP-SEATED HIGH-ALUMINA ROCK IN KIMBERLITE PIPES. International Geology Review, 29 (11) 1366-1376 doi:10.1080/00206818709466231 | Journal (article/letter/editorial) | | discovered by Ponomarenko in the Udachnaya kimberlite pipe [10, 1 1 ] , and later found by Nixon in the Bellsbank...dike, Utah [ 1 4 ] . In a concentrate from the Mir pipe, grains of garnet with inclusions of hercynite were...garnet-clinopyroxene-spinel rock was found in the A-3 pipe in the form of an oval, orange-gray nodule 3-4 cm...orthopyroxene-clinopyroxene-spinel rock was found in kimberlite pipe 3-3, in the form of an equant nodule about 2 cm...garnet-clinopyroxene-spinel rocks (L-3 pipe); 2) gar nets from magnesian alkremite (Mir pipe). Note. The original caption |  | | Book | | selected a number of typical kimberlite pipes: 'Obnazhennaya from the Lower OleneMk region, 'Udachnaya and...region, where over the course of a number of years, field investigations have been car ried out and a large...characterizes the entire complex of xenoliths for each pipe. Data were also obtained from certain other pipes...covered by kelyphitic rims (e. g. in the 'Zagadochnaya pipe), they were given preliminary treatment in acids...1) from a xenolith of a pyrope websterite from the 0bnazhe nnaya pipe. For the determination of chromium |  | | Journal (article/letter/editorial) | | lherzolite with low content of phlogopite; 10 - websterite with low content of clinopyroxene; 11, 12 - websterites;...increased amount of clinopyroxene; 33 - garnet websterite with mica; 34 - phlogopitized garnet nodule....Analyses: 1-9, 11-32 - "Obnazhënnaya" pipe; 10, 33 - "Udachnaya" pipe; 34 - "Nadgzhnaya" dike. The total...xenoliths of this type are known in the "Novinka" pipe (Upper Muna region), "Udachnaya," "Mir," and certain...studied in the greatest detail in the "Obnazhënnaya" pipe. The mineral composition of the Type B xenoliths |  | | Book | | . . . . . . . . . . . . . . . . . . .. Western Russia. . . . . . . . . . . . . . . . . . . . .. India...geologists discovered a kimberlite diatreme (the Zarnitsa pipe) in the headwaters of the Markha River in Siberia...heralded a new era in the study of kimberlite both in Russia and in the West. In the past 20 years the older...in the north-east of the country. In the Seguela field there are, in addition to the normal kimberlites...(Crockett and Mason 1968). This group contains the AK/l pipe, the secondlargest known kimberlite. Others are |  | | Journal (article/letter/editorial) | | classified for garnets from the Mir kim berlite pipe and from various other pipes in the Yakutia province...inclusion in gamet (Pipe 1, specimen 56/6,×350);b) syngenetic chrome spinel inclusion (Pipe 1, specimen 81...colorimetric parameters of garnets from the Mir pipe for minerals from various rock types [12]: dunites... Bimineralic inclusions in garnets from the Mir pipe: a) olivine (1)-sulfide (2), specimen 57,×300; b)...dunites are of very minor occurrence in the Mir pipe. Sulfide inclu- Sulfide nodules occur in virtually |  | Pernet-Fisher, J.F., Howarth, G.H., Pearson, D.G., Woodland, S., Barry, P.H., Pokhilenko, N.P., Pokhilenko, L.N., Agashev, A.M., Taylor, L.A. (2015) Plume impingement on the Siberian SCLM: Evidence from Re–Os isotope systematics. Lithos, 218. 141-154 doi:10.1016/j.lithos.2015.01.010 | Journal (article/letter/editorial) | | Academy of Sciences, Siberian Branch, Novosibirsk, Russia. AC CE P Abstract TE D *Corresponding author...peridotites from the Udachnaya (360 Ma) and Obnazhennaya (160 Ma) kimberlite pipes, Siberia. Xenoliths...the Proterozoic. A number (4) of post-plume Obnazhennaya RI peridotites display 187Os/188Os ratios...during the emplacement of the NU SFB. However, Obnazhennaya olivine mineral-separates display ‗depleted‘...‗pristine‘ melt residues. We suggest that these Obnazhennaya MA xenoliths represent ‗newly formed‘ residues |  | | Journal (article/letter/editorial) | | Sciences, 3 Koptyuga Avenue, Novosibirsk 630090, Russia 1 Abstract Large-ion lithophile elements (LILE)-enriched...xenolith from the Udachnaya-East kimberlite pipe, Daldyn field, Siberian craton. The studied xenolith consists...xenolith, mantle metasomatism, Udachnaya kimberlite pipe Introduction During recent decades, mantle-derived...also frequently enriched in Ca, some of the high field strength elements (HFSE: Zr, occasionally Nb), and...Paleozoic kimberlite pipe Udachnaya-East (Daldyn field, Daldyn-Alakit diamondiferous district, Siberian craton) |  | | Journal (article/letter/editorial) | | of Sciences, ul. Favorskogo 1a, Irkutsk, 664033 Russia e-mail: zub@igc.irk.ru Received July 19, 2007 ...6 ppm in wehrlite (δ13ë = –26.5‰), 1.0 ppm in websterite (two samples), and 2.3 ppm in pyroxenite (δ13ë...Eocene–Oligocene, definitely contain heavy alkanes. The websterite and pyroxenite contain 1.0 and 0.5 ppm alkanes...alkanes, respectively. The chromatogram of the websterite shows a unimodal distribute of alkane C16–C31 peaks...extract from rocks from the Rainbow hydrothermal field at MAR (36° N): 84 ppm in extract from the serpentine |  | | Journal (article/letter/editorial) | | rock but in exceptional cases, as at the Matsoku Pipe in Lesotho, may comprise up to 20 ~ of the bulk...1970). 3. Garnet-websterite, Dutoitspan (Nixon et al., 1963). 4. Garnet-websterite, Matsoku, Lesotho...Lesotho (Mathias and Riekwood, 1968). 5. Garnet-websterite, BD1160, Bultfontein (Dawson, unpubl.). 6. Garnet-pyroxenite...kind of garnet lherzolite, from the Thaba Putsoa pipe, Lesotho, where there is an apparent relationship...Matsoku (Gurney and Harte, 1980) and at the Letseng pipe both in Lesotho (Bishop et al., 1978). In terms |  | | Journal (article/letter/editorial) | | Universitetskaya Nab., St. Petersburg, 199034, Russia A R T I C L E I N F O A B S T R A C T Article...Venezuela peridotitic diamond inclusions (8). B. Obnazhennaya peridotites (1) and eclogites (2), Udachnaya...inclusions from Premier diamonds (1), and Obnazhennaya pipe (2). The data for the calculations were taken...curve (Bundy et al., 1961) for Lesotho (1), Obnazhennaya (2) and diamond-bearing Udachnaya (3) eclogites...Calculations done for the eclogites from Premier and Obnazhennaya pipes show linear relationships between the |
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