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  1. No Access

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    First Discovery of Paleoproterozoic Aillikite Dikes in Sarmatia: Geochemistry and Petrogenesis

    Aillikite dikes of carbonate–biotite composition, intersecting Paleoproterozoic banded iron formations, were discovered in the Kursk block of Sarmatia for the first time. Their age is 2.10–2.07 Ga. The ailliki...

    K. A. Savko, Corresponding Member of the RAS A. V. Samsonov… in Doklady Earth Sciences (2024)

  2. Article

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    Paleoproterozoic Dacite Dikes of the Vorontsovka Terrane, Volga–Don Orogen: Geochemistry, Age, and Petrogenesis

    Metamorphosed dacitic porphyry dikes were first found in the western part of the Vorontsovka terrane, which is located in the Paleoproterozoic Volga–Don orogen at the margin of Archean Sarmatia and Volga–Ural ...

    K. A. Savko, A. V. Samsonov, E. Kh. Korish, N. S. Bazikov, A. N. Larionov in Petrology (2024)

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    Trace and Rare Earth Elements and Hf Isotopic Composition in Zircons from the Paleoproterozoic Diorite–Granodiorite Plutons of the Kursk Block of Sarmatia as Indicators of Petrogenesis

    Lu–Hf isotopic composition of zircons from the calc-alkaline diorite–granodiorite intrusions of the Stoilo-Nikolaevskii complex in the margin area of the Kursk block is an important indicator of petrogenesis a...

    K. A. Savko, E. Kh. Korish, N. S. Bazikov… in Doklady Earth Sciences (2023)

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    Paleoproterozoic Gabbros of the Kursk Block, Sarmatia: Age, Sources of Melts, and Tectonic Position

    The Paleoproterozoic Tim-Yastrebovka synform of Eastern Sarmatia contains gabbroid intrusions. The largest of them is the Gnilushinskii massif of hornblende gabbros, which are calc-alkaline rocks, enriched in ...

    Corresponding Member of the RAS A. V. Samsonov, K. A. Savko… in Doklady Earth Sciences (2023)

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    Article

    The Paleoprotherozoic Volcanics of the Tim Formation within the Kursk Block, Sarmatia: Age and Geodynamic Setting

    The volcanic–terrigenous Tim Formation in the Kursk Block of Sarmatia occurs in the Paleoproterozoic synforms. The Tim Formation volcanics are represented by metamorphosed ferropicrites, ferropicritic basalts,...

    S. V. Tsybulyaev, K. A. Savko… in Doklady Earth Sciences (2020)

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    An Archaean Tonalite–Trondhjemite–Granodiorite Association of the Kursk Block (Voronezh Massif): Composition, Age, and Correlation with the Ukrainian Shield

    Framing of the Archaean greenstone belts of the Kursk Block (KB) of the East Sarmatia preserves rocks of the TTG association: those do not form massifs with distinct boundaries, but occur as fields gradually t...

    K. A. Savko, A. V. Samsonov, A. N. Larionov, E. Kh. Korish… in Doklady Earth Sciences (2018)

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    Article

    The age of metamorphism of granulite complexes of the Voronezh crystalline massif: The monazite U-Pb geochronology

    K. A. Savko, A. B. Kotov, E. B. Sal’nikova, E. Kh. Korish… in Doklady Earth Sciences (2010)

  8. No Access

    Article

    Phase relations of REE-bearing minerals during the metamorphism of carbonaceous shales in the Tim-Yastrebovskaya structure, Voronezh Crystalline Massif, Russia

    Paleoproterozoic carbonaceous shales in the Tim-Yastrebovskii ancient rift, which underwent zonal metamorphism at 350–550°C, contain REE mineralization of silicates (allanite, thorite, and Ce-P huttonite) fluo...

    K. A. Savko, E. Kh. Korish, S. M. Pilyugin, T. N. Polyakova in Petrology (2010)