Abstract
As the title implies the article presents the results of many years comprehensive research of the Western Siberian Upper Cretaceous stratigraphy (without Cenomanian). The volume of Upper Cretaceous formation, their biostratigraphic and lithological characteristics are discussed. Based on the analysis of new materials (lithological, biostratigraphic, well geophysics investigation data, magnetostratigraphic, seismostratigraphic), the regional correlation scheme of formations, members and beds has been refined. A new model of correlation schemes, a scheme of facies zoning, and reasonable changes in the nomenclature of the Upper Cretaceous formations are proposed. The Slavgorod and Ipatovo horizons have been replaced by a single Berezovo horizon. Specific properties description of the new suites, established at the first (Okhteurievo, Tagul, Bolshaya Laida, Nizhnaya Agapa), have been done.
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