 | 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...REE; Yakutia âIt appears that eclogites found in diamond pipes may possess a multiplicity of origins and |  | | Journal (article/letter/editorial) | | boundary of this range corresponds to the graphiteâdiamond transition in the Earthâs mantle. The lower boundary...Universitetskaya nab. 7/9, St. Petersburg, 199034 Russia; e-mail: simakov@ap1250.spb.edu b Department of...State University, Leninskie gory, Moscow, 119992, Russia; e-mail: archi3@yandex.ru SiO2 system and suggested...observed in garnets from the Monastery kimberlite pipe. According to the experimental data, such garnets...pressures; the Premier Pipe; and diamond-free eclogites of the Obnazhennaya Pipe. The calculations confirmed |  | Ashchepkov, Igor, Logvinova, Alla, Spetsius, Zdislav, Downes, Hilary, Ntaflos, Theodoros, Ivanov, Alexandr, Zinchenko, Vladimir, Kostrovitsky, Sergey, Ovchinnikov, Yury (2022) Eclogite Varieties and Their Positions in the Cratonic Mantle Lithosphere beneath Siberian Craton and Archean Cratons Worldwide. Minerals, 12 (11) 1353 doi:10.3390/min12111353 | Journal (article/letter/editorial) | | 630090, Russia Institute of Geochemistry SB RAS, Favorskogo Str. 1a, Irkutsk 650033, Russia Diamond and Precious...Geology Institute SD RAS, Lenina 39, Yakutsk 677077, Russia Department of Earth and Planetary Sciences, Birkbeck...University, 21st Line 2, St. Petersburg 199106, Russia CATOCA Mining Society, Av. Talatona, N/N, Quarter...trace a high-temperature (HT) geotherm. Eclogitic diamond inclusions from Siberia mostly belong to the middle...0â5.0 GPa and HT eclogite and diamond inclusions from the Premier pipe trace a HT geotherm at depths |  | | Journal (article/letter/editorial) | | Assemblages: Implication for the Estimation of Diamond Potential S. K. Simakov Presented by Academician...Universitetskaya nab. 7/9, St. Petersburg, 199164 Russia = MgFeSi 2 O 6 + CaMgSi 2 O 6 . 1228 (V) GARNETâCLINOPYROXENE...parameters for known eclogite inclusions in diamonds, diamondâgraphite, barren eclogites, websterites from the...diamondiferous xenoliths were formed within the diamond stability field. Diamond- and graphite-bearing xenoliths are...graphiteâdiamond stability field, whereas barren rocks are plotted in the graphite stability field. The highest |  | Tychkov, Nikolay S., Agashev, Alexey M., Pokhilenko, Nikolay P., Tsykh, Vladimir A., Sobolev, Nikolay V. (2020) Types of Xenogenic Olivine from Siberian Kimberlites. Minerals, 10 (4) 302 doi:10.3390/min10040302 | Journal (article/letter/editorial) | | pr. Akademika Koptyuga 3, 630090 Novosibirsk, Russia; agashev@igm.nsc.ru (A.M.A.); chief@igm.nsc.ru...University, ul. Pirogova 2, 630090 Novosibirsk, Russia Correspondence: tych@igm.nsc.ru ...types: without high-temperature differences (Obnazhennaya pipe), with significant development of HTP-2 (Olivinovaya...with a significant development of HTP-1 (Dianga pipe). Only the latter type of distribution is characterized...prospecting problems and assessment of kimberlite diamond grade. In connection with this aim, a number of |  | | 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...1968; Spetsius, 2004), including coesite- and diamond- 37 bearing varieties. CE P TE D MA NU |  | | Journal (article/letter/editorial) | | from kimberlites of the O b n a z h e n n a y a pipe a n d a density m o d e l of the u p p e r mantle...Rich in inclusions of deep rocks, the Obnazhennaya kimberlite pipe has repeatedly attracted the attention...study of the density of xenoliths from the Obnazhennaya pipe by means of a large collection of more than...ksenolitov glubinnykh porod iz kimberlitov trubki "Obnazhennaya" i plotnostnaya model' verkhneymantii, AN SSR...CROSS SECTION IN THE REGION OF THE OBNAZHENNAYA PIPE The Obnazhennaya pipe is unique with r e  spect to the |  | | 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...Zagadochnaya pipe (1, 6, 8). The main sulfide minerals in pyrope peridotite of the Obnazhennaya pipe are pentlandite...inclusions of ultramafic rocks and eclogite in the Obnazhennaya pipe commonly contain a sulfide previously described |  | | Journal (article/letter/editorial) | | crust (14, 251. T h e very recent discovery of diamond-bearing ilmenite ultrabasites [ 18, 201 and of...from t h e Mir and Obnazhennaya pipes [ 10, 301, studies of the inclusions in diamond [251 and zircon [3...ultrabasic and basic rocks from kimberlites of Mir pipe. 1) dunites (spinel, spinel-garnet. and garnetiferous);...magnesial-iron eclogites; 15) magnesial-iron eclogites with diamond. Points representing compositions in diagram plotted...ultrabasic and basic rocks from kimberlites of Obnazhennaya pipe. 1) dunites; 2) harzburgites; 3) Iherzolites; |  | | Journal (article/letter/editorial) | | data on xenoliths in both Siberian and African diamond pipes, and studies indirectly the changes in the...Africa, the most interesting of which is the Premier pipe. According to the Rb/Sr data on the age of the emplaceÂ...] , the various "conduits" of the rocks in this pipe were formed at different times: from 1200 to 1300...the following age: Mir and Udachnaya-361 Ma., Obnazhennayaâ148 Ma. The youngest are the many pipes in South...Premier (1200)* Mir (361) Udachnaya (360) Obnazhennaya(148) 5.6 49.4 275 46 104 - Letseng-laterae |  | Qi, Qu, Taylor, Lawrence A., Snyder, Gregory A., Sobolev, Nikolay V. (1994) Eclogites from the Obnazhennaya Kimberlite Pipe, Yakutia, Russia. International Geology Review, 36 (10) 911-924 doi:10.1080/00206819409465495 | Journal (article/letter/editorial) | | reserved. Eclogites from the Obnazhennaya Kimberlite Pipe, Yakutia, Russia Qu Qi, 1 LAWRENCE A. TAYLOR...Novosibirsk, Russia Abstract Mineralogy and petrography of six eelogite xenoliths from the Obnazhennaya kimberlite...kimberlite pipe are described. Based upon modal and mineral compositions, these eclogites can be divided...have selected seven eelogite xenoliths from Obnazhennaya, Yakutia, for detailed mineralogical, penological...eclogite samples from Obnazhennaya and discuss their possible genesis. The Obnazhennaya pipe is located in the |  | Kostrovitsky, Sergey I., Skuzovatov, Sergey Yu., Yakovlev, Dmitry A., Sun, Jing, Nasdala, Lutz, Wu, Fu-Yuan (2016) Age of the Siberian craton crust beneath the northern kimberlite fields: Insights to the craton evolution. Gondwana Research, 39. 365-385 doi:10.1016/j.gr.2016.01.008 | Journal (article/letter/editorial) | | Geochemistry SB RAS, Favorskogo str. 1A, Irkutsk 664033, Russia Institute of Geology and Geophysics, Chinese Academy...only for granulite xenoliths from the Udachnaya pipe (Daldyn kimberlite ďŹeld of the Markha terrane) (Koreshkova...al., 2000) and amphibolite xenoliths from the Mir pipe (Neymark et al., 1992). The maximum Nd model ages...magmatism, mineralogical and petrographic features and diamond capacity, the Yakutian kimberlite province is divided...(Pyatnica, Obnazhennaya and Rubin pipes) have been sampled for this study. The Pyatnica and Obnazhennaya pipes |  | | Journal (article/letter/editorial) | | com/locate/rgg Mineralogical criteria for the diamond potential of Upper Triassic placers on the northeastern...pr. Akademika Koptyuga 3, Novosibirsk, 630090, Russia Received 26 April 2013; accepted 14 May 2013 Abstract...Abstract Representative sampling of a diamond-bearing basal horizon in the Carnian Stage (Upper Triassic)...recommended as a new mineralogical criterion for diamond presence. Subcalcic Cr-pyropes of duniteâharzburgite...might be due to the variable composition of the diamond orebodies. The Carnian placers call for new systematic |  | | Book | | Eclogites With Graphite 16 Chapter IV The Facies of Diamond-Bearing Eclogites and Peridotites Chapter V Chapter...Chapter VIII The Mineralogical Criteria of the Diamond-Bearing Kimberlites 247 Conclusions 257 Bibliography...even further fol lowing the first discovery of a diamond-bearing eclogite in 1897, the study of which led...and mineralogy,, Work on the synthesis of the diamond, which had demonstrated the role of high pressures...ports, the study of minerals formed along with diamond or under similar conditions, is of great interest |  | Sobolev, N. V., Sobolev, A. V., Tomilenko, A. A., Batanova, V. G., Tolstov, A. V., Logvinova, A. M., Kuzâmin, D. V. (2015) Unique compositional peculiarities of olivine phenocrysts from the post flood basalt diamondiferous Malokuonapskaya kimberlite pipe, Yakutia. Doklady Earth Sciences, 463 (2) 828-832 doi:10.1134/s1028334x15080164 | Journal (article/letter/editorial) | | Basalt Diamondiferous Malokuonapskaya Kimberlite Pipe, Yakutia Academician N. V. Soboleva, b, Corresponding...beginning of works aimed at substantiation of the diamond potential of the Siberian Platform. A great number...separated by 60 to 110Ma gaps [3]. All mined diamond deposits were formed within the age interval of...Branch, Russian Academy of Science, Novosibirsk, Russia b Vernadsky Institute of Geochemistry and Analytical...of Sciences, Moscow, Russia c Novosibirsk State University, Novosibirsk, Russia d ISTerre, Universite |  | | Journal (article/letter/editorial) | | Structural parameters of chromite included in diamond and kimberlites from Siberia: A new tool for discriminating...Federation abstract Siberian chromite included in diamond, kimberlite, and spinel peridotite as well as Cr-spinel...oxygen positional parameters, u, of chromite in diamond and in kimberlite are comparable (cell edge, 8...discriminating the ultramafic source. Keywords: Siberia, diamond, chromite, crystal chemistry introDuction Cr-spinels...is a common accessory mineral in graphite- and diamond-bearing garnet-peridotite xenoliths in kimberlite |  | Sun, Jing, Rudnick, Roberta L., Kostrovitsky, Sergey, Kalashnikova, Tatiana, Kitajima, Kouki, Li, Ranpeng, Shu, Qiao (2020) The origin of low-MgO eclogite xenoliths from Obnazhennaya kimberlite, Siberian craton. Contributions to Mineralogy and Petrology, 175 (3) doi:10.1007/s00410-020-1655-6 | Journal (article/letter/editorial) | | The origin of lowâMgO eclogite xenoliths from Obnazhennaya kimberlite, Siberian craton Jing Sun1,2 ¡ Roberta...composition of low-MgO (11â 16 wt%) eclogites from the Obnazhennaya kimberlite, Siberian craton, are used to infer...entrainment. Although derived from the garnet stability field, these rocks have low-pressure cumulate protoliths...stability field, based on melting model calculations. We, therefore, suggest that the Obnazhennaya low-MgO...garnet was the main residual phase. Keywords Obnazhennaya ¡ Low-MgO eclogite xenolith ¡ Low-pressure origin |  | Snyder, G. A., Taylor, L. A., Beard, B. L., Crozaz, G., Halliday, A. N., Sobolev, V. N., Sobolev, N. V. (1998) Reply to a Comment by D. Jacob et al. on 'The Origins of Yakutian Eclogite Xenoliths'. Journal of Petrology, 39 (8) 1535-1543 doi:10.1093/petroj/39.8.1535 | Journal (article/letter/editorial) | | BRANCH, RUSSIAN ACADEMY OF SCIENCES, NOVOSIBIRSK, RUSSIA RECEIVED SEPTEMBER 10, 1997; REVISED TYPESCRIPT...several kimberlite pipes, including the Udachnaya pipe ( Jerde et al., 1993; Snyder et al., 1993, 1995...Sobolev et al., 1994), the Obnazhennaya pipe (Qi et al., 1994, 1997), and the Mir pipe (Beard et al., 1996)...which comprised eight samples from one kimberlite pipe. Contrary to the statements of Jacob et al. (1998)...from Obnazhennaya eclogites (Qi et al., 1997), let alone several other analyses from Obnazhennaya and |  | | Journal (article/letter/editorial) | | Sciences, nab. Makarova 2, St. Petersburg, 199034, Russia Received 29 January 2003; accepted 27 March 2003...diamonds and diamond- and graphite-bearing garnet peridotite formation with the diamond â graphite univariant..., 1961). The position on the P â T diagram of diamond-bearing (about 90%) and graphite-bearing rocks...ultrabasic rocks virtually throughout the stability field of it [700 V T V 1500 jC and (4â 5) V P V (55 â...Table 3). The curve of the polymorphic graphite â diamond transition is from Bundy et al. (1961). In this |  | 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) | | chrome spinel, Ilm) ilmenite, Ph) phlogopite, D) diamond, Ru) rutile, Cd) corundum, Dis) kyanite (disthene)...intrusion cut through by the Lingorka alkali-basalt pipe (Bo hemian massif) [29]. The garnets here differ...absorption band) for garnets from diamond-bearing dunites (1) and potentially diamond-bearing ones (2) and for...near theLingorkapipe, Czechoslovakia. fall in the field of cataclastic lherzolites or lie near the nominal...respectively, from an intrusion near the Lingorka pipe; 4 and 5) from porphyritic lherzolite and websterite |  | 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 |  | | Journal (article/letter/editorial) | | Thermometer for Mantle Peridotites and Estimation of the Diamond Potential on Its Basis S. K. Simakov Presented...peridotitic xenoliths: (a) Obnazhennaya (1) and Udachnaya (2) pipes; (b) pipe 200, North Lesotho (1) and...Premier (2) in relation to the line of the graphiteâdiamond equilibrium. Analyses were taken from [3, 4, 7...xenocrysts from the diamondbearing Diavik pipe (Slave Craton, Canada) (1) and diamondfree kimberlitic...Alberta (2) in relation to the line of graphiteâdiamond equilibrium by our method (a) and [13] by the concentration |  | Snyder, Gregory A., Jerde, Eric A., Taylor, Lawrence A., Halliday, Alex N., Sobolev, Vladimir N., Sobolev, Nikolai V. (1993) Nd and Sr isotopes from diamondiferous eclogites, Udachnaya Kimberlite Pipe, Yakutia, Siberia: Evidence of differentiation in the early Earth?. Earth and Planetary Science Letters, 118 (1) 91-100 doi:10.1016/0012-821x(93)90161-2 | Journal (article/letter/editorial) | | from diamondiferous eclogites, Udachnaya Kimberlite Pipe, Yakutia, Siberia: Evidence of differentiation in...Branch, Russian Academy of Sciences, Nocosibirsk, Russia Received February 2, 1993; revision accepted May...20, 1993 ABSTRACT Nd and Sr isotopic data from diamond-bearing eclogites found in the Udachnaya kimberlite...that two Yakutian eclogites (from the Obnazh6nnaya pipe) were derived from an ultra-depleted mantle, which...from Lake Baikal to beyond the Arctic Circle. Diamond-bearing kimberlites are mainly located in the central |  | Kolesnik, Yu. N., Stepchenko, S. B., Bukhbinder, G. V., Androsenko, N. P., Tepikin, V. Ye. (1990) THE ORTHOPYROXENE-GARNET GEOBAROMETER FOR PERIDOTITES. International Geology Review, 32 (3) 228-243 doi:10.1080/00206819009465772 | Journal (article/letter/editorial) | | peridotite depth facies [3, 12]. In the stability field of garnet lhzerolite, the or thopyroxene + garnet...(Duhem's theorem [17]). Mineral inclusions in diamond may be the unique example among natural formations...orthopyroxene + garnet paragenesis from in clusions in diamond are seen from the equation for the equilibrium...paragenesis from Proterozoic kimberlite of the Premier pipe (P 7/75) [42]. raw data for the present calculations...pyroxenite Gr + Opx, Spl, Ol, Am, Pl Inclusions in diamond (Gr + Opx + Ol + Cr + Spl) Ditto (Gr + Opx + Ol) |  | | Journal (article/letter/editorial) | | Vitim Alkaline Basalts and Yakutian Kimberlites, Russia Konstantin D. Litasov , Vladimir G. Malkovets ...Vitim Alkaline Basalts and Yakutian Kimberlites, Russia, International Geology Review, 45:11, 976-997,...Vitim Alkaline Basalts and Yakutian Kimberlites, Russia KONSTANTIN D. LITASOV,1 Institute of Mineralogy...Russian Academy of Sciences, Novosibirsk, 630090, Russia and Planetary Geosciences Institute, Department...Geochemistry, Russian Academy of Sciences, Irkutsk 664033, Russia AND LAWRENCE A. TAYLOR Planetary Geosciences |
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