Abstract
The assemblages of the Early Jurassic (Hettangian–Pliensbachian) and Late Jurassic–Early Cretaceous (Tithonian–Berriasian) radiolarians were described for the first time in the eastern part of the Ekonai Zone of the Koryak Highland. The Hettangian–Pliensbachian assemblage was found in siliceous rocks of the Ionai Nappe and this finding expands the stratigraphic interval of its siliceous sequences from the Carboniferous to the Early Jurassic. The Tithonian–Berriasian assemblage was found in volcanosiliceous rocks of the Yanranai accretionary complex. Both assemblages contain taxa abundant in the Tethyan regions.
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Original Russian Text © N.Yu. Bragin, 2018, published in Stratigrafiya, Geologicheskaya Korrelyatsiya, 2018, Vol. 26, No. 3, pp. 99–108.
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Bragin, N.Y. Jurassic and Early Cretaceous Radiolarians of Siliceous Sequences of the Vaamychgyn–Podgornaya Interfluve, Econai Zone, Koryak Highland. Stratigr. Geol. Correl. 26, 333–343 (2018). https://doi.org/10.1134/S0869593818030036
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DOI: https://doi.org/10.1134/S0869593818030036