A Model of the Accumulation of Radiolarite Layers in the Bazhenov Formation of West Siberia

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The Bazhenov Formation of West Siberia is one of the most important and promising high-carbon formations. Its peculiarity is a vast area and a high generation potential of constituent deposits. Another feature of this formation is the predominance of silicides, among which radiolarites that are often related to hydrocarbon inflows are the most interesting. However, the forecast procedure and their distribution nature are still disputable. Their formation model based on the interaction of plankton (radiolarians) and currents is proposed following the study of composition and textural features of the radiolarite layers in the clayey–siliceous rocks of the Bazhenov Formation.