 | | Journal (article/letter/editorial) | | 3 prosp. Akad. Koptyuga, Novosibirsk, 630090, Russia Received 18 July 2007; accepted 18 July 2007 Abstract...Keywords: Pyrope-almandine garnets; lower crust; kimberlite; shield; Siberian Platform Introduction The...Siberian upland. Here, Lower Paleozoic (Cambrian) kimberlite-hosting terrigenous-carbonate rocks come to the...Paleozoic kimberlite bodies were found in the southeast from this area (Nakynskoe kimberlite field, Nyurbinskaya...(Alakit-Markhinskoe and Daldynskoe kimberlite fields, Komsomolâskaya pipe, 358 Ma (Agashev et al., 2004); |  | | Journal (article/letter/editorial) | | Silicate Globules in Kyanite from Grospydites of the Zagadochnaya Kimberlite Pipe, Yakutia: The Problem...paramorphs after coesite in kyanite from grospydites from the Zagadochnaya kimberlite pipe, Yakutia, using optical...diverging from silicate globules into the matrix (kyanite) attests to the fact that the content of the globules...~0.6 wt %. As compared with the host mineral (kyanite), the core part of the globules is also enriched...enriched with Co, Ni, Zn, and Cu; their content in kyanite is negligibly low. The entire data collection attests |  | | Journal (article/letter/editorial) | | Petrology of Grospydite Xenoliths from the Zagadochnaya Kimberlite Pipe in Yakutia by N. V. SOBOLEV, JR., I...rocks in the kimberlite pipes of Yakutia, the xenoliths of garnet-clinopyroxene-kyanite rocks are especially...rocks were found for the first time in the Zagadochnaya pipe (Bobrievich, Smirnov, & Sobolev, 1960). The...sampling the grospydite xenoliths in the Zagadochnaya pipe. In addition to numerous grospydite xenoliths...studied from the kimberlite the heavy fraction material, where many pyrope grains with kyanite intergrowths |  | Sobolev, N. V., Logvinova, A. M., Lavrentâev, Yu. G., Karmanov, N. S., Usova, L. V., Kozâmenko, O. A., Ragozin, A. L. (2011) Nb-rutile from eclogite microxenolith of the Zagadochnaya kimberlite pipe. Doklady Earth Sciences, 439 (1) 970-973 doi:10.1134/s1028334x11070099 | Journal (article/letter/editorial) | | NbRutile from Eclogite Microxenolith of the Zagadochnaya Kimberlite Pipe Academician N. V. Sobolev, A. M. Logvinova...naya kimberlite pipe located within the Daldyn kim berlite field, 30 km from the Udachnaya pipe, differ...from the group of xenoliths from the Udacha naya pipe, but from xenoliths of all known kimberlites of...Grossularâpyroxeneâkyanite (dis thene) rocks called grospydites were originally discov ered in this pipe [2]. The...[12]. In spite of the closeness to the Udachnaya pipe, a number of mineralogical and geochemical peculiarities |  | | 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...14 kimberlite pipes) as well as from the northeastern edge of the craton (Obnazhennaya kimberlite) 15...precipitates. Granular inclusions of quartz in kyanite and garnet 18 usually retain features of their |  | Nimis, Paolo, Zanetti, Alberto, Dencker, Isabel, Sobolev, Nikolay V. (2009) Major and trace element composition of chromian diopsides from the Zagadochnaya kimberlite (Yakutia, Russia): Metasomatic processes, thermobarometry and diamond potential. Lithos, 112 (3) 397-412 doi:10.1016/j.lithos.2009.03.038 | Journal (article/letter/editorial) | | of chromian diopsides from the Zagadochnaya kimberlite (Yakutia, Russia): Metasomatic processes, thermobarometry...Branch of Russian Academy of Sciences, Novosibirsk, Russia b a r t i c l e i n f o Article history: Received...April 2009 Keywords: Chromian diopside Zagadochnaya Kimberlite Mantle metasomatism Thermobarometry Diamond...from concentrates of the diamond-free Zagadochnaya kimberlite have been studied to gain an insight into...magmatic segregates from melts related to the host kimberlite. Other (Al, Cr, Na)-rich chromian diopsides (groups |  | Logvinova, A. M., Wirth, R., Sobolev, N. V., Seryotkin, Y. V., Yefimova, E. S., Floss, C., Taylor, L. A. (2008) Eskolaite associated with diamond from the Udachnaya kimberlite pipe, Yakutia, Russia. American Mineralogist, 93 (4) 685-690 doi:10.2138/am.2008.2670 | Journal (article/letter/editorial) | | associated with diamond from the Udachnaya kimberlite pipe, Yakutia, Russia Alla M. Logvinova,1 Richard Wirth...Russian Academy of Sciences, Novosibirsk 630090, Russia GeoForschungs Zentrum Potsdam, Experimental Geochemistry...association with natural diamond from the Udachnaya pipe in Yakutia, where it is intergrown with an octahedral...eskolaite, picrochromite, Udachnaya kimberlite pipe, Yakutia, Russia Introduction Eskolaite (Cr2O3), identified...barren Zagadochnaya kimberlite pipe, Yakutia: gros = grossular; py = pyroxene; di = disthene (kyanite) (Bobrievich |  | Gurney, J. J., Mathias, M., Siebert, C., Moseley, G. (1971) Kyanite eclogites from the Rietfontein kimberlite pipe, mier coloured reserve, Gordonia, Cape Province, South Africa. Contributions to Mineralogy and Petrology, 30 (1) 46-52 doi:10.1007/bf00373367 | Journal (article/letter/editorial) | | by Springer-Verlag 1971 Kyanite Eclogites from the Rietfontein Kimberlite Pipe, Mier Coloured Reserve...Received September 28, 1970 Abstract. The kimberlite pipe at Rietfontein has been found to contain a...xenoliths, amongst which are kyanite eclogites of unusual freshness. The kyanite crystals are of varying shades...chemical composition of four kyanite eelogites and of a light and a dark blue kyanite crystal are presented...found in the Rietfontein Pipe are compared with those found in the Zagadoehnaya Pipe and certain similarities |  | | Journal (article/letter/editorial) | | Siberian platform and collected from nearly all the kimberlite pipes known in that tectonic unit, as well as...Secondary alteration eÂects during uplift of the kimberlite, play, if any, only a minor role. Despite the... 164 Introduction It is the common view of kimberlite researchers that the formation of deep seated...well as types of their host rocks, i.e. of the kimberlite varieties. Bell and Rossman (1992a) were the...hydroxyl in garnets, from some xenoliths of the Mir kimberlite, on the basis of their powder spectra. Beran |  | | Journal (article/letter/editorial) | | exceptional Cr-rich kyanite-bearing clinopyroxenite xenolith from Mbuji-Mayi kimberlite (DRC) MARJORIE PIVIN*...omphacite, kyanite and minor rutile) has been found in the diamondiferous Mbuji-Mayi kimberlite province...omphacite, 4.45â11.81 wt% in kyanite and 2.68â4.65 wt% in rutile. Such Cr-rich kyanite is extremely rare; only...xenoliths from the Zagadochnaya kimberlite (Yakutia) have been reported with kyanite containing up to 12...no garnet is observed in the Mbuji-Mayi Cr-rich kyanite-bearing clinopyroxenite. The textural features |  | | Journal (article/letter/editorial) | | (Mazzone and Haggerty, 1989). 5. Corundum from a kyanite eclogite, Roberts Victor mine (Hatton, 1978). as...clinopyroxene + kyanite. While crustal kyanite rarely contains more than 0.3 wt. % Cr203, kyanite crystals in...experimentally that the solubility of Cr205 in kyanite increases with pressure (Shiraki, 1978 and references...depths, analogous to increased Cr-partitioning in kyanite with pressure. A sub-lithospheric origin for the...aluminous assemblages from the Jagersfontein kimberlite pipe. G. S. Aust. Special Publication, 14(II), 795-808 |  | | Journal (article/letter/editorial) | | garnets from xenoliths of the kyanite eclogites from the Zagadoehnaya pipe in u and the Roberts Victor...of these eclogites (14 samples are from the Mir pipe and 2 from South Africa) form a separate group with...diamond-bearing kyanite eclogite; 5. from kyanite eclogites of the Roberts Victor pipe; 6. from kyanite eclogites...eclogites of the Zagadoehnaya pipe, Yakutia; 7. those from grospydites; 8. garnets from eclogite xenoliths;...094-0.220 Kyanite eclogites, from Roberts Victor pipe 5 0.128 0.025 0.103-0.163 Kyanite eclogites |  | Riches, Amy J.V., Liu, Yang, Day, James M.D., Spetsius, Zdislav V., Taylor, Lawrence A. (2010) Subducted oceanic crust as diamond hosts revealed by garnets of mantle xenoliths from Nyurbinskaya, Siberia. Lithos, 120 (3) 368-378 doi:10.1016/j.lithos.2010.09.006 | Journal (article/letter/editorial) | | Diamond Industry, ALROSA Co. Ltd., Mirny, Yakutia, Russia a r t i c l e i n f o Article history: Received...a b s t r a c t The ~ 380 Ma Nyurbinskaya kimberlite pipe, Yakutia, Siberia, sampled a highly-diamondiferous...melt or ïŹuids in mantle environments and during kimberlite transport (e.g., Pearson et al., 2003; Carlson...Yakutian kimberlites (e.g., Udachnaya kimberlite, Daldyn kimberlite ïŹeld, Pokhilenko et al., 1991; Boyd...Boyd et al., 1997), the ~ 380 Ma Nyurbinskaya kimberlite (Fig. 1) matrix has lower LREE, Nb, Ta, U and Th |  | | Journal (article/letter/editorial) | | Fundamentals of Paragenetic Garnet, Omphacite and Kyanite in an Eklogitic Mantle Xenolith A. Beran ~, K....(cpx) and kyanite (ky) were isolated from an eclogite xenolith from the Zagadochnaya kimberlite, Yakutia...(Ky) Paragenese eines Eklogit Xenoliths aus dem Zagadochnaya Kimberlit, Jakutien (Grospydit Z13), wurden...paragenetic single crystals of garnet, omphacite and kyanite coexisting in a mantle eclogite, the grospydite...xenolith Z13 from the Z a g a d o c h n a y a kimberlite pipe in Yakutia (Sobolev et al., 1968). This paragenesis |  | JanĂĄk, Marian, Uher, Pavel, Ravna, Erling Krogh, Kullerud, KĂ„re, Vrabec, Mirijam (2015) Chromium-rich kyanite, magnesiostaurolite and corundum in ultrahigh-pressure eclogites (examples from Pohorje Mountains, Slovenia and TromsĂž Nappe, Norway) European Journal of Mineralogy, 27 (3) 377-392 doi:10.1127/ejm/2015/0027-2436 | Journal (article/letter/editorial) | | Published online 27 February 2015 Chromium-rich kyanite, magnesiostaurolite and corundum in ultrahigh-pressure...1000 Ljubljana, Slovenia Abstract: Chromium-rich kyanite, magnesiostaurolite and corundum (ruby) were found...Scandinavian Caledonides). The concentrations of Cr2O3 in kyanite and magnesiostaurolite from the Pohorje Mts. (17...highest reported from natural samples. The Cr-rich kyanite of turquoise-blue colour contains inclusions of...magnesiostaurolite (6 to 15 wt% Cr2O3; XMg ÂŒ 0.7â0.8). Kyanite is commonly surrounded by a corona composed of |  | | Journal (article/letter/editorial) | | evaluation of equilibria among garnetâclinopyroxeneâ kyaniteâphengiteâcoesite/quartz E. J. KROGH RAVNA1 AND...garnetâclinopyroxeneâ kyaniteâphengiteâcoesite, and the corresponding HP assemblage garnetâclinopyroxeneâkyaniteâphengiteâquartz...and celadonite (Cel) in phengite together with kyanite and coesite or quartz deïŹne invariant points in...equilibrium temperatures and pressures for phengiteâkyaniteâSiO2bearing eclogites. Application to relevant...quartz stability ïŹeld. Diamondiferous coesiteâkyanite eclogite and grospydite xenoliths in kimberlites |  | | Journal (article/letter/editorial) | | (1974) 9 by Springer-Verlag 1974 Evidence of Kimberlite-Grospydite Reaction G. A. Chirmer and D. H. Cornell...February 20, 1974 Abstract. A xenolith from the kimberlite pipe of the Roberts Victor Mine, O.F.S. shows a...the common marie inclusion of the Roberts Victor pipe, suggests that the rare grospydite inclusions are...kimberlites in which they are found. Inclusions in kimberlite rarely show high-temperature alteration which...zeolitisation) the inclusion shares with the kimberlite itself (Williams 1932, vol. 1 p. 160). The finding |  | | Journal (article/letter/editorial) | | THE DIOPSIDE-KYANITE JOIN AT HIGH PRESSURES AND TEMPERATURES TREVOR H. GREEN GREEN, TREVOR H. 1969:...1969: T h e diopside-kyanite join at high pressures and temperatures. Lithos 2, 334-341. Initial mixes of...a r n e t + m i n o r q u a r t z + m i n o r kyanite at 22.5-36 kb. T h e proportion of garnet and its...application to the relative stability of clinopyroxene-kyanite or garnet-quartz assemblages in natural rocks such...such as eclogites and grospydites from kimberlite pipes. In high pressure rocks of eclogitic affinities |  | | Journal (article/letter/editorial) | | THE DIOPSIDE-KYANITE JOIN AT HIGH PRESSURES AND TEMPERATURES TREVOR H. GREEN Grtrr~-;, T m ' o r ~...~ H. 1969: T h e diopside-kyanite join at high pressures and temperatures. Lithos 2, 334-341. Initial...a r n e t + m i n o r q u a r t z + m i n o r kyanite at 22.5-36 kb. T h e proportion of garnet and its...application to the relative stability of clinopyroxene-kyanite or garnet-quartz assemblages in natural rocks such...such as eclogites and grospydites from kimberlite pipes. In high pressure rocks of eclogitic affinities |  | | Journal (article/letter/editorial) | | diamond-bearing eclogite xenoliths of the Mir kimberlite pipe. The highest values were obtained in omphacites...the lower-pressure grospydites of the Zagadochnaya kimberlite pipe and in omphacitic clinopyroxene of the...lower pressure granulites of the Udachnaya kimberlite pipe, respectively. The low water content of clinopyroxene...in upper-mantle cpx from the Roberts Victor kimberlite pipe correlate with M2 site vacancies (corresponding...from two granulite samples from four Yakutian kimberlite pipes in order to investigate the hydroxyl content |  | | Journal (article/letter/editorial) | | 1978 Pyrope-Spinel (Alkremite) Xenoliths From Kimberlite P.H. Nixon 1., N.A. Chapman 1.*, and J.J. Gurney...similar rocks, "alkremites", from the Udachnaya pipe, U.S.S.R. From published experimental data and textural...of Bellsbank, Jagersfontein and Roberts Victor kimberlite occurrences Introduction Xenoliths comprising...found in kimberlite. Ponomarenko (1975) described four such nodules from the Udachnaya pipe, Yakutia... (plate 118) and spinel in a kyanite eclogite, Z60, from Udachnaya pipe, U.S.S.R., has been briefly described |  | | Journal (article/letter/editorial) | | of the Russian Academyof Sciences, Novosibirsk, Russia Received August 3, 1992 / AcceptedNovember 12,...Bellsbank (South Africa) and ObnazhEnnaya (Yakutia, Russia) are presented here, and these are combined with...molecule, although the occasional presence of kyanite exsolution lamellae is indicative of a Ca-Eskola...Ca-Eskola component. Reconstructed "pyroxenes" from kyanite- and corundum-rich samples contain unrealistic amounts...plagioclase cumulate) the final assemblage is kyanite- and/or corundum-bearing. Introduction Eclogite |  | | Journal (article/letter/editorial) | | Springer-Verlag 1971 Eclogite Xenoliths from Stockdale Kimberlite, Kansas H ~ R Y O. A. M~Y~R* Planetology Branch...A. Received September 10, 1971 Abstract. Six kimberlite pipes of late Cretaceous or Tertiary age occur...igneous rocks are common, especially in the Stockdale pipe. Igneous rocks which occur as xenoliths include...Kansas are similar to those of eclogites from kimberlite pipes in South Africa and Siberia. Whereas the...87106, U.S.A. Eclogite Xenoliths from Stockdale Kimberlite, Kansas 61 Kimberlites in Kansas Six diatremes |  | | Journal (article/letter/editorial) | | conditions of upper-mantle eclogites" implications for kyanite-bearing and diamondiferous varieties D. A, CARSWELL...Sheffield S1 3JD, UK ABSTRACT. New mineral data for kyanite-bearing eclogites supplement existing data for...suites from the Roberts Victor and Bellsbank kimberlite intrusions, South Africa. Calculation of equilibration...Rietfontein kimberlite further west in Cape Province (Gurney et al., 1971) and in the Orapa kimberlite in Botswana...eclogites, but additional primary phases include kyanite, corundum, rutile, graphite and, or, diamond. Mineralogical |  | | Journal (article/letter/editorial) | | Saint Petersburg, Russia b Department of Geology, University of Saint Petersburg, Russia c Catoca Geological-Mining...Box 199034, nab. Makarova 2, Saint Petersburg, Russia, e-mail: nm.korolev@yandex.ru. Page 1 of 52 Title:...subdivided into high- cr alumina [Hi-Al2O3] (kyanite-bearing), low-magnesian [Lo-MgO] and high-magnesian...inclusions in diamonds. Because the Catoca kimberlite pipe is one of the richest diamond-bearing pipes...mineralogical sign of high diamond productivity for kimberlite Ac ce p te d M an us cr ip t pipes. |
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