2018•Russian Geology and GeophysicsRequires access

Sequence stratigraphy of the Berriassian–Lower Aptian deposits of West Siberia

S.V. Ershov

Abstract

Abstract The geological structure and conditions of formation of a Lower Cretaceous clinoform complex in West Siberia are examined based on sequence stratigraphy. The regional Berriasian–Hauterivian clinoforms are interpreted as third-order sequences, and their formation should be considered in terms of the Depositional Sequence III model. Productive beds of both shallow and deep marine as well as continental genesis formed mostly in a regressive basin and belong to the highstand systems tracts.

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Key concepts: Geology, Sequence stratigraphy, Sequence (biology), Paleontology, Aptian, Stratigraphy, Cretaceous, Sedimentary depositional environment