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A sequence stratigraphic analysis of the late Jurassic-Turonian in the context of the evolution of the West Siberian basin

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Title: A sequence stratigraphic analysis of the late Jurassic-Turonian in the context of the evolution of the West Siberian basin
Author: Vyssotski, Alexei Vladimirovich
Advisor: Vail, Peter R.
Degree: Master of Arts thesis
Abstract: During the Triassic, Siberia was a basin approximately 1800 kilometers wide filled by red beds and the widespread Tunguska basalts. Rifting occurred in the northern part of the basin. The western part of the Siberian basin became the West Siberian basin, which was bounded by rising uplifts both to the east and to the west. The differentiation between the effects of tectonics and eustasy in cratonic basins is simple in that the global eustatic signal is basin-wide and enhanced by regional and local tectonics. Thus the first, second and third order cycles of the Upper Jurassic - Turonian in the West Siberian Basin were primarily influenced by eustasy. The Upper Jurassic - Turonian was deposited during an overall transgression and is subdivided into two second-order and sixteen third-order transgressive-regressive cycles. Fourth-order cycles appear to be controlled by delta shifting. A relative sea-level curve for the Upper Jurassic - Turonian resembles the "global" sea-level chart of Hardenbol, et al. (1998).
Citation: Vyssotski, Alexei Vladimirovich. (2001) "A sequence stratigraphic analysis of the late Jurassic-Turonian in the context of the evolution of the West Siberian basin." Masters Thesis, Rice University. http://hdl.handle.net/1911/17478.
URI: http://hdl.handle.net/1911/17478
Date: 2001

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