Zobrazeno 1 - 10 of 89 pro vyhledávání: '"Andrey V Korsakov"'
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Akademický článek
Water in Omphacite and Garnet From Pristine Xenolithic Eclogite: T‐X‐fO2 Controls, Retentivity, and Implications for Electrical Conductivity and Deep H2O Recycling
Autor: Sonja Aulbach, Roland Stalder, Malcolm Massuyeau, Richard A. Stern, Dmitri A. Ionov, Andrey V. Korsakov
Publikováno v: Geochemistry, Geophysics, Geosystems, Vol 24, Iss 12, Pp n/a-n/a (2023)
Abstract Kimberlite‐borne eclogite xenoliths having Precambrian oceanic crustal protoliths and entrained from ≥100 km depth can retain pristine geochemical features despite extended residence in the cratonic lithospheric mantle, making them valua
Externí odkaz: https://doaj.org/article/a4b758e009ae494ea1451d04b4711b77
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2
Akademický článek
Heat Transfer and Production in Cratonic Continental Crust: U‐Pb Thermochronology of Xenoliths From the Siberian Craton
Autor: Francisco E. Apen, Roberta L. Rudnick, Dmitri A. Ionov, John M. Cottle, Jean‐Franҫois Moyen, Alexander V. Golovin, Andrey V. Korsakov
Publikováno v: Geochemistry, Geophysics, Geosystems, Vol 23, Iss 10, Pp n/a-n/a (2022)
Abstract Coupled U‐Pb and trace‐element analyses of accessory phases in crustal xenoliths from the Late Devonian Udachnaya kimberlite (Siberian craton, Russia) are used to constrain Moho temperature and crustal heat production at the time of kimb
Externí odkaz: https://doaj.org/article/fb3133db3df343979a8f913ed8dcb0b4
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4
Cr-pyrope xenocrysts with oxide mineral inclusions from the Chompolo lamprophyres (Aldan shield): Insights into mantle processes beneath the southeastern Siberian craton
Autor: Dmitriy I. Rezvukhin, Evgeny I. Nikolenko, Igor S. Sharygin, Olga V. Rezvukhina, Maria V. Chervyakovskaya, Andrey V. Korsakov
Publikováno v: Mineralogical Magazine. 86:60-77
Pyrope xenocrysts (N = 52) with associated inclusions of Ti- and/or Cr-rich oxide minerals from the Aldanskaya dyke and Ogonek diatreme (Chompolo field, southeastern Siberian craton) have been investigated. The majority of xenocrysts are of lherzolit
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::1eb4721a7ed69c95434ecba3a55d5983
https://doi.org/10.1180/mgm.2021.89
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5
Geochemical evidence for carbon and chlorine enrichments in the mantle source of kimberlites (Udachnaya pipe, Siberian craton)
Autor: Elisabeth d'Eyrames, Alexander V. Golovin, Yumi Kitayama, Emilie Thomassot, Αlbert Galy, Andrey V. Korsakov
Publikováno v: Geochimica et Cosmochimica Acta. 315:295-316
Deep, carbonate-rich melts are key constituents of kimberlites and are crucial for understanding the cycle of volatile elements in the mantle. On the Siberian craton, the Udachnaya-East kimberlite hosts extremely well-preserved nodules composed of ch
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::0cc7a8f51330d8c9664315d808d50e13
https://doi.org/10.1016/j.gca.2021.09.021
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6
Fe3+ Distribution and Fe3+/ΣFe-Oxygen Fugacity Variations in Kimberlite-Borne Eclogite Xenoliths, with Comments on Clinopyroxene-Garnet Oxy-Thermobarometry
Autor: Sonja Aulbach, Alan B Woodland, Vincenzo Stagno, Andrey V Korsakov, Denis Mikhailenko, Alexander Golovin
Publikováno v: Journal of Petrology. 63
The valence state of iron in mantle-derived melts, such as mid-ocean ridge basalt, is a useful proxy for oxygen fugacity (ƒO2). On subduction, oceanic crust undergoes metamorphic reactions that alter its initial ƒO2, generating compositional and re
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::3d13fe0ed9fc59f3396bbef4b61d3994
https://doi.org/10.1093/petrology/egac076
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8
A New Occurrence of Maruyamaite
Autor: Andrey V. Korsakov, F. A. Letnikov, Kira A. Musiyachenko
Publikováno v: Doklady Earth Sciences. 498:403-408
We report for the first time the occurrence of a maruyamaite (dravite with a high K content) + garnet + kyanite + biotite + muscovite + K-feldspar + quartz mineral assemblage in metamorphic rocks of the Barchi-Kol site (Kokchetav Massif). We estimate
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::bf383dede70108f5131d75f8d0d5e4c3
https://doi.org/10.1134/s1028334x21050111
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9
Crystal structures of K-cymrite and kokchetavite from single-crystal X-ray diffraction
Autor: Yurii V. Seryotkin, Alexandr V. Romanenko, Alexander G. Sokol, Andrey V. Korsakov, Sergey V. Rashchenko, Kira A. Musiyachenko, Konstantin Glazyrin
Publikováno v: American Mineralogist. 106:404-409
We determined for the first time the crystal structures of high-pressure K-cymrite (KAlSi3O8⋅H2O) and its dehydrated form kokchetavite (KAlSi3O8) using single-crystal X-ray diffraction. The K-cymrite structure has been successfully refined in the h
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::80fad1b04f31c64bcce0d8406d0168d7
https://doi.org/10.2138/am-2020-7407
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10
Formation of Polycrystalline Graphite Aggregates in High-Pressure Metamorphic Rocks from the Kokchetav Massif, Northern Kazkhstan
Autor: Olga V. Rezvukhina, Andrey V. Korsakov, Igor V. Pekov, D. S. Mikhailenko, Hiroaki Ohfuji
Publikováno v: Doklady Earth Sciences. 497:227-231
An inclusion of graphite in zircon from the diamond- and tourmaline-bearing rocks of the Kokchetav massif (Northern Kazakhstan) has been studied. The inclusion, associated with diamond crystals, was identified within the marginal part of the zircon g
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f0210677d23b0a5e2950696af95319ca
https://doi.org/10.1134/s1028334x21030089
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