 | | Journal (article/letter/editorial) | | GEOCHEMISTRY Djerfisherite in Kimberlites of the Kuoikskoe Field as an Indicator of Enrichment of Kimberlite...unaltered kimberlite samples from the Siberian Craton (Russia) and Slave Craton (Canada), the previously existing...in 2001 at a depth of 420 m in the UdachnayaEast pipe mine [2, 3]. This rock does not contain the minerals...fact that the system was closed from the moment of pipe formation (~370 Ma ago [5]). The abovemen Sobolev...Branch, Russian Academy of Sciences, Novosibirsk, Russia email: isharygin@mail.ru tioned peculiarities |  | | 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...pentlandite, chalcopyrite and pyrrhotite. They constitute aggregates which range in size from 0.01 to 2 |  | 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) | | pyrite and marcasite, with sporadic occurrence of pyrrhotite, chalcopyrite, galena, sphalerite, wurtzite,...0‰ [4] for a specimen of kimberlite from the Muza pipe. Problems of the origins and sources of mineral...DISTLER ET AL. ponents, whereas the coexisting pyrrhotite is enriched in nickel (0.4-2.3 wt.%) and cobalt...chalcopyrite (Fig. 1B) are associated with the hexagonal pyrrhotite. Downloaded by [La Trobe University] at 23:44...pyroxenites and eclogites consist mainly of pyrrhotite. The pyrrhotite contains up to 10 wt.% or more nickel |  | | 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...xenolith of a pyrope websterite from the 0bnazhe nnaya pipe. For the determination of chromium, different standards |  | 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...expressions of Precambrian rocks. The Obnazhennaya kimberlite pipe, from which the studied xenoliths come |  | Garanin, V. K., Kudryavtseva, G. P., Matsyuk, S. S., Cherenkova, A. F., Cherenkov, V. G. (1990) DISCOVERY OF ZIRCON-BEARING ILMENITE-AMPHIBOLE PYROXENITE IN KIMBERLITE. International Geology Review, 32 (11) 1086-1094 doi:10.1080/00206819009465841 | Journal (article/letter/editorial) | | xenolith found in the Slyudyanka kimberlite pipe in the Kuoysky field, are described. The rock is fine- to medium-grained...pyroxenite found in the Slyudyanka kimberlite pipe of the Kuoysky field. Ilmenite pyroxenite containing zircon...kimberlite pipe in Lesotho. Later, the paragenesis of zircon with ilmenite and clinopyroxene in a pipe in South...(0.57 wt%) for ilmenite included in zircon (Kao pipe). Zircon, a characteristic kimberlite mineral,...xenolith of zircon-bearing rock from the Slyudyanka pipe is a round nodule about 3 cm in diameter. The fine- |  | | Journal (article/letter/editorial) | | igneous rocks are common, especially in the Stockdale pipe. Igneous rocks which occur as xenoliths include...arkose, basalt, granite. In addition, the Stockdale pipe contains xenoliths of gabbro, metagabbro, pyroxenite...t e l y typical of alteration i n the Stockdale pipe. I~o u n e q u i v o c a l olivine-bearing xenoliths...examination. Three specimens from the Stockdale pipe which have a m i n i m u m of alteration were selected...Eclogites and Constituent Minerals, Stockdale kimberlite pipe, Kansas Whole rock 1128g 1128g 11280 1128u 1128g |  | | Journal (article/letter/editorial) | | exceeding 0.01-0.02 mm. Their mass is definitely pyrrhotite, judging by optical properties in reflected light:...segregations were missing. Unlike the globular pyrrhotite or chalcopyrite, pyrite is confined to vacuoles...one of the droplets has a two-phase structure, pyrrhotite + chalcopyrite; quantities of these two minerals...principally the anisotropic Fe-sulfide, with pyrrhotite structure but relatively high in Ni (0.3-2.3%...of ,magnetite are visible as intergrowths with pyrrhotite and Cubanite, conspicuous in their low titanium |  | | 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 |  | | Journal (article/letter/editorial) | | 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...examined contains a variable amount of olivine, pyrrhotite, djerfisherite, and violarite), and reaching...samples of phlogopite pyroxenites of the "Udachnaya" pipe. It is characterized by an increased content of |  | | Journal (article/letter/editorial) | | diamondiferous ones, from Yakutian kimberlites in Russia. It is, therefore, natural that the major portion...enriched in other varieties—e.g., Group A in the Obnazhennaya pipe. 2.1.1.2. Garnets. The garnets in mantle eclogites...(Snyder et al., 1993, 1997). Sulfide minerals (pyrrhotite, pentlandite, chalcopyrite) are present in most...diamondiferous eclogite, UX-1, from the Udachnaya kimberlite pipe is shown in Fig. 12 and on the cover of this journal...isotopic range (d15N) seen in P-type diamonds from Pipe no. 50 in China (Cartigny et al., 1997) and the |  | | Book | | Macrocrysts and their Inclusions, Guaniamo Kimberlite Field, Venezuela. Primary and related diamond occurrences...minerals within Kalahari cover overlying a kimberlite pipe. Depletion and enrichment processes in lithospheric...Xenoliths from Kimberlite Pipes The Leslie Kimberlite Pipe of Lac de Gras, Northwest Territories, Canada: Evidence...Diatremes. 89 Bordon, V., Astapenko, V. Braslav Field: the prospects for discovering diamondiferous rocks...province. Geology and composition of the Nakyn field kimberlite pipes and diamond properties (Yakutia) |  | | 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 ... 109 Feldman A.A. 649 Feoktlstov G.D. 152 Field M. 155 Fipke C.E. 158 Fitzsimmons 1. 242 Foley...associated alkalic basaltic rocks from Pishin District, Pakistan.4 Reasons of variations of individual...and petrogenetic blocking of rocks in Udachnaya pipe.5 High pressure experimental study on growth and |  | | Book | | magmatism, Its Sources and Plumes”, 1–7 September 2019, Russia, Saki. Springer Proceedings in Earth and Environmental...Series Editor Natalia S. Bezaeva, The Moscow Area, Russia The series Springer Proceedings in Earth and...magmatism, Its Sources and Plumes”, 1–7 September 2019, Russia, Saki. 123 Editor Nikolay Vladykin Vinogradov...Vinogradov Institute of Geochemistry SB RAS Irkutsk, Russia ISSN 2524-342X ISSN 2524-3438 (electronic) Springer...tectonics hypothesis throughout the world, including Russia, there has been an increased interest in the field |  | | Book | | rock types included in this book, the variety of field and petrographic associations, the variety of approaches...and presents classifications in terms of their field associations, tectonic environments, and conditions... J. WYLLiE 135 Serpentinites of the Roxbury district, Vermont By RicHarp H. JAHNs III. A. Introduction... A. Lappin General setting Structural setting Field and structural relationships of the dunites 183...kimberlite By J. B. DAwson Introduction Definition Field occurrence Classification of kimberlites Petrography |  | | Book | | South Africa 8 1.4 Major kimberlite sites in Russia 9 1.5 Main Russian diamond mine sites and kimberlite...hypabyssal facies 93 6.5 Model of a kimberlite pipe 95 6.6 Floating reef of granitic country rock...Geological sketch map and cross section of the Argyle pipe, Western Australia 133 7.3 Schematic cross section...volcano-tectonic structure 204 12.10 The strewn field of yakutites (diamond-lonsdaleite intergrowths)...regional structure as interpreted from the gravity field over the Brakos-Doornberg lineaments in the Gordonia-Carnarvon |  | | Book | | Institute of Geology and Mineralogy, Novosibirsk, Russia Russian Academy of Sciences Siberian Branch Sobolev...this book will be of use to the researchers in the field of petrology and geochemistry of ultramafic and...them to more detailed studies in this promising field of geosciences. F.P. Lesnov felix@uiggm.nsc.ru lesnovfp@list...connection it should be noted that the progress in the field of the chemistry of REE has always been greatly...xvii be added that similar investigations in the field of geochemistry of REE with the use of ICP-MS and |  | | Book (volume) | | these two series, and nomenclature in the wider field defined by jadeite, aegirine, diopside- hedenbergite...the diopside-hedenbergite-cnstatiteferrosilite field. Single-Chain Silicates: 12 Pyroxenes solution...discrete nodules of the Tbuba Putosa kimberlite pipe. Stippled area A', outer zones of subcalcic ferroaugite...MgSiO3 Polymorphs The problem of the stability field of clinoenstatite has received much attention but...that high clinoenstatite might have a stability field above that of protoenstatite, but none was discovered |
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