Lithology, geochemistry, and aspects of separation of the Kogalym Member within the Lower Vasyugan Subhorizon (Upper Bathonian-Lowermost Oxfordian) of West Siberia

P. A. Yan, L. G. Vakulenko, E. A. Kostyreva, Ya G. Aukhatov, O. V. Burleva, O. D. Nikolenko

    Результат исследования: Научные публикации в периодических изданияхстатья

    Аннотация

    It is proposed to separate a regionally persistent member of fine-dispersed mudstones as the individual Kogalym Member within the Lower Vasyugan Subhorizon (Uppermost Bathonian-Lowermost Oxfordian). We present data on the lithologic composition, geophysical characteristics, and geochemical properties of the organic matter and depositional environments of the member. The Tyumenskaya SG-6 well is proposed as a type section of the Kogalym Member, where a biostratigraphic approach has yielded the Middle-Upper Callovian volume of the member. We also discuss the aspects of specification and detalization of the Callovain-Oxfordian part of the Callovian and Upper Jurassic regional scheme of West Siberia.

    Язык оригиналаанглийский
    Страницы (с-по)393-402
    Число страниц10
    ЖурналRussian Geology and Geophysics
    Том58
    Номер выпуска3-4
    DOI
    СостояниеОпубликовано - 1 апр 2017

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