首页> 外文期刊>Paleontological journal >Biostratigraphy and Paleogeography of the Bazhenovo Formation (Upper Jurassic and Lower Cretaceous) Based on Radiolarians, Nannoplankton and Calcareous Dinocysts
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Biostratigraphy and Paleogeography of the Bazhenovo Formation (Upper Jurassic and Lower Cretaceous) Based on Radiolarians, Nannoplankton and Calcareous Dinocysts

机译:基于放射性的人,Nannoplankton和钙质牛皮纸的Bazhenovo形成(上侏罗纪和下白垩统计)生物对象和古地理

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摘要

New data on the taxonomic diversity of radiolarians, calcareous dinocysts and nannoplankton associations in the Late Jurassic and Early Cretaceous of the Bazhenovo Formation of Western Siberia are presented. Analysis of the distribution of radiolarians in the Bazhenovo Formation confirms the possibility of its division into five biostratigraphic units. The upper part of the Bazhenovo Formation, according to the calcareous dinocysts, includes five biostratigraphic units at the rank of beds with microfauna. The presence of the genus Parvicingula confirms that the Bazhenov Sea was a marginal marine basin connected with the Paleo-Pacific Ocean.
机译:提出了关于侏罗纪后期侏罗纪和尼安卑斯氏植物和Nannoplancton协会的分类学分类的新数据,并提出了西西比亚西西比西亚州西西伯利亚的Bazhenovo形成的早期白垩纪。 Bazhenovo形成中放射性物质分布的分析证实了其分为五个生物对象单元的可能性。 根据钙质大多数人的钙亮组织的组成,Bazhenovo的上部包括含有Microfauna的床等级的五个生物数据库。 Parvicingula属的存在证实,Bazhenov海是与古太平洋相连的边缘海洋盆地。

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