Cretaceous transgressions and regressions on the Russian Platform, in Crimea and Central Asiaстатья
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Дата последнего поиска статьи во внешних источниках: 29 ноября 2013 г.
Аннотация:Fluctuations of transgressive/ regressive episodes is established for very wide territories of the Russian platform, its southern framework and the territory of the Middle Asia.All obtained data are based on the analysis of sedimentological peculiarities of rocks, the analysis hiatusis and their territorial extent, and also on paleontologic data.In particular for definition of the transgressive impulses coinciding with increase in depth of sedimentary basins, ratios plaktonic and benthic foraminifers were counted.The received results were compared to a global eustatic curve that allowed to separate influence of global and regional factors.