Browsing by Author "Yakovleva S.Z."
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Browsing by Author "Yakovleva S.Z."
Now showing items 1-20 of 22
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Baltybaev Sh.K.; Levchenkov O.A.; Berezhnaya N.G.; Levskii L.K.; Makeev A.F.; Yakovleva S.Z. (2004)The U-Pb system was examined in minerals of the main rock types from the Ladoga area: early- and synorogenic enderbites, diorites, syn- and late-orogenic K-granites, the leucosomes of migmatites, and their host garnet-cprdierite ...
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Sal'nikova E.B.; Kovach V.P.; Kozakov I.K.; Yakovleva S.Z.; Fedoseenko A.M.; Oidup Ch.K.; Mongush A.A. (2004)Rocks of the peridotite-pyroxenite-anorthosite-gabbro association of the Mazhalyk complex are widespread in the Early Caledonian domain of the mosaic structure of Central Asia. This rock association has previously been ...
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Levitskii V.I.; Sal'nikova E.B.; Kotov A.B.; Yakovleva S.Z.; Kovach V.P.; Plotkina Yu.V.; Reznitskii L.Z.; Barash I.G.; Mel'nikov A.I. (2004)Together with geological data, results of geochronological investigations indicate that apocarbonate metasomatites in the eastern part of the Sharyzhalgai Uplift of the Siberian Craton formed during an Early Proterozoic, ...
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Levchenkov O.A.; Zinger T.F.; Yakovleva S.Z.; Makeev A.F.; Shuleshko I.K.; Volodichev O.I.; Kevlich V.I. (2001)
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Salnikova E.B.; Kozakov I.K.; Kotov A.B.; Kröner A.; Todt W.; Bibikova E.V.; Nutman A.; Yakovleva S.Z.; Kovach V.P. (2001)The Tuvino-Mongolian Massif (TMM) was previously interpreted as a Precambrian block within the Central Asian Mobile Belt. According to this idea, it consists of tectonic slices composed of metamorphic rocks of pre-Mesoproterozoic ...
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Kotov A.B.; Sal'nikova E.B.; Larin A.M.; Kovach V.P.; Savatenkov V.M.; Yakovleva S.Z.; Berezhnaya N.G.; Plotkina Yu.V. (2004)The geological evolution of the junction zone between the Olekma granite-greenstone belt and Aldan granulite-gneiss terranes (OGGB and AGGT, respectively) of the Aldan Shield involved at least four episodes of Early ...
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Alekseev N.L.; Balagansky V.V.; Zinger T.F.; Levchenkov O.A.; Glebovitsky V.A.; Makeev A.F.; Yakovleva S.Z. (2004)Late Archean rocks of the North Karelian system of greenstone belts and overlying Early Proterozoic sequence of the Kukasozero structure provide insights into the entire evolution of Early Precambrian tectonogenesis and ...
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Larin A.M.; Sal'nikova E.B.; Kotov A.B.; Glebovitsky V.A.; Kovach V.P.; Berezhnaya N.G.; Yakovleva S.Z.; Tolkachev M.D. (2004)This paper presents new data on the age and composition of granitoids from the Charnokitovyǐ and Drevnestanovoy complexes of the Dambukinskiǐ block in the eastern Dzhugdzhur-Stanovoy fold belt. Based on the results of U-Pb ...
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Tabuns E.V.; Sal'nikova E.B.; Kovach V.P.; Kotov A.B.; Yakovleva S.Z.; Fedoseenko A.M.; Tolkachov M.D.; Plotkina Yu.V.; Kovalenko V.I. (2004)The presented geochronologic and geochemical data provide full evidence for the following conclusions. 1) The obtained age estimate (2719±14 ma) corresponds to crystallization period for the rocks of the layered series of ...
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Gibsher A.S.; Khain E.V.; Kotov A.B.; Sal'nikova E.B.; Kozakov I.K.; Kovach V.P.; Yakovleva S.Z.; Fedoseenko A.M. (2001)The age of ophiolite plagiogranites from the Khan-Taishiri ophiolite complex, western Mongolia, was determined by the U-Pb zircon method as 568.1 ± 4.0 Ma. This complex is a rare fragment of the ancient Central Asian blocks ...
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Larin A.M.; Kotov A.B.; Sal'nikova E.B.; Kovach V.P.; Sergeeva N.A.; Yakovleva S.Z. (2001)The Chubachin Massif in the central part of the Dzhugdzhur-Stanovoi foldbelt is dominated by biotite and biotite-muscovite granites and belongs to the Tukuringra Complex, which is traditionally considered to be Early ...
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METAMORPHIC EVOLUTION OF GRANULITES FROM THE KURUL'TA BLOCK, ALDAN SHIELD: U-PB SINGLE ZIRCON STUDY Sal'nikova E.B.; Glebovitsky V.A.; Kotov A.B.; Larin A.M.; Yakovleva S.Z.; Berezhnaya N.G.; Kovach V.P.; Drugova G.M.; Anisimova I.V. (2004)Stanovoy fold system (DSFS) is a giant tectonic melange zone (Fig. 1) that includes the Kalar, Kurul'ta, Zverev, Sutam, Ayumkan, and Dzhugdzhur tectonic blocks composed of granulite-facies rocks. The study of the granulite ...
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Vernikovskaya A.E.; Vernikovsky V.A.; Travin A.V.; Palesskii S.V.; Yasenev A.M.; Sal'nikova E.B.; Kotov A.B.; Kovach V.P.; Yakovleva S.Z.; Fedoseenko A.M. (2003)The paper reports data on the petrology and geochemistry of granitoids of the Glushikha Complex in the Transangara area of the Yenisei Range and presents U-Pb, Sm-Nd, Rb-Sr, and Ar-Ar isotopic geochemical data on these ...
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Vernikovsky V.A.; Vernikovskaya A.E.; Sal'nikova E.B.; Kotov A.B.; Chernykh A.I.; Kovach V.P.; Berezhnaya N.G.; Yakovleva S.Z. (1999)New data on the formation and age of volcanics from the differentiated calc-alkalic series of Predivinsk terrane (Yenisei Ridge) are given. New petro- and geochemical data show a genetic unity of the volcanic series, which ...
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Vernikovsky V.A.; Vernikovskaya A.E.; Chernykh A.I.; Sal'nikova E.B.; Kotov A.B.; Kovach V.P.; Yakovleva S.Z.; Fedoseenko A.M. (2001)
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Levchenkov O.A.; Savatenkov V.M.; Matrenichev V.A.; Yakovleva S.Z.; Makeev A.F.; Bogdanov Yu.B. (2001)
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THE KALAR ANORTHOSITE-CHARNOKITE COMPLEX OF THE ALDAN-STANOVOI SHIELD: AGE AND TECTONIC IMPLICATIONS Sal'nikova E.B.; Larin A.M.; Kotov A.B.; Glebovitskiǐ V.A.; Yakovleva S.Z.; Kovach V.P.; Berezhnaya N.G.; Tolkachev M.D.; Sukhanov M.K. (2004)The new data considered characterize age of magmatic rocks from the Kalar Complex of the anorthosite-mangerite-charnokite-granite association (AMCG) in the junction zone of the Aldan shield and Dzhugdzhur-Stanovoi fold ...
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Kovalenko V.I.; Yarmolyuk V.V.; Kartashov P.M.; Kozlovskii A.M.; Listratova E.N.; SaL'Nikova E.B.; Kovach V.P.; Kozakov I.K.; Kotov A.B.; Yakovleva S.Z.; Ponomarchuk V.A. (2004)The composition, age, and geological setting is studied for the Khaldzan-Buregtei group of massifs of peralkaline rare-metal granitoids. The massifs are confined to a large fault zone separating the Late Caledonian structures ...
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Baltybaev Sh.K.; Sal'nikova E.B.; Glebovitsky V.A.; Berezhnaya N.G.; Yakovleva S.Z.; Kovach V.P. (2004)The high-grade metamorphism (no lower than the high-temperature amphibolite facies) and involvement of the massif in the intricate folding suggest its emplacement at the orogenic stage of Svecofennide evolution. To date, ...
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Shul'diner V.I.; Kozyreva I.V.; Levchenkov O.A.; Yakovleva S.Z.; Makeev A.F.; Komarov A.N.; Konopel'ko D.L.; Baltybaev Sh.K. (2000)The U-Pb zircon age is determined for stratigraphically important Upper Karelian structures of the northern Ladoga region. The age of the Sortavala Group volcanics is assumed to be 1.97-1.95 Ga that coincides with age of ...
Now showing items 1-20 of 22