| mhorn | Дата: Tuesday, 10.06.2014, 12:29 | Сообщение # 1 |
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| Zakharov V., Rogov M. (2014) Review of the Jurassic System of Russia: Stages, Boundaries, and Perspectives // STRATI 2013. First International Congress on Stratigraphy. At the Cutting Edge of Stratigraphy. Springer Geology, P.629-634, DOI 10.1007/978-3-319-04364-7_121
A review of the state-of-the-art of Jurassic stages in Russia is presented. The Jurassic system is represented here mainly by Boreal deposits, and direct correlation of boundaries based on global stratotype sections and points (GSSPs) with stage boundaries of the Boreal succession remains mostly unclear for the Lower and Middle Jurassic. These Boreal boundaries could be better fixed by selecting secondary stratotype section and point (SSSP) sections. Callovian and Upper Jurassic stage boundaries are directly traced throughout in the Boreal areas.
Middle Jurassic - Lower Cretaceous ammonites & aptychi
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