The Paleogeographic Reconstruction for the Central Regions of the Western Siberian Basin in the Middle Jurassic Epoch

摘要

The complex investigation of the Bathonian sedimentary deposits in central regions of the WestSiberian basin was done.On the basis both of lithofacial analysis of core clefts and the geophysical investigation data and taking into account the tectonic features of the Jurassic structural storey the sedimenttological model of deposits was built and the main regularities of its building were identified.At the initial stage the framework of alluvial lower plain