Abstract
This work presents new data on the lithology, paleontology, stratigraphy, and correlation of Jurassic deposits of the Irkutsk coal-bearing basin. According to the detailed analysis of the lithology and paleontology of the reference sections, the Jurassic deposits of the southern part of this basin are subdivided into four formations: Baikal’skaya, Dabatskaya, Cheremkhovskaya, and Prisayanskaya. The Lower Jurassic coarse deposits of the Baikal’skaya Formation are regarded as the most ancient; the Middle Jurassic deposits of the Prisayanskaya Formation are the youngest. The industrial coal-bearing deposits of the Cheremkhovskaya Formation formed in the Early Jurassic, from the Pliensbachian to Toarcian.
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Original Russian Text © N.I. Akulov, A.O. Frolov, I.M. Mashchuk, V.V. Akulova, 2015, published in Stratigrafiya. Geologicheskaya Korrelyatsiya, 2015, Vol. 23, No. 4, pp. 40–63.
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Akulov, N.I., Frolov, A.O., Mashchuk, I.M. et al. Jurassic deposits of the southern part of the Irkutsk sedimentary basin. Stratigr. Geol. Correl. 23, 387–409 (2015). https://doi.org/10.1134/S0869593815040036
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DOI: https://doi.org/10.1134/S0869593815040036