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首页> 外文期刊>Russian Geology and Geophysics >Tectonic Evolution of Late Mesozoic-Cenozoic Basins in Eastern China and Implications for Pacific Plate Subduction
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Tectonic Evolution of Late Mesozoic-Cenozoic Basins in Eastern China and Implications for Pacific Plate Subduction

机译:中国东部中生代新生代盆地的构造演变与太平洋板块俯冲的影响

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摘要

During the late Mesozoic and Cenozoic, the North China Craton witnessed a series of tectonic transition and deformation events, caused mainly by the subducting Pacific Plate and forming many petroliferous basins in eastern China and adjacent areas. Based on analysis related to the reconstruction of balanced sections, the comparison of subsidence rates, and the migration of depocenters in these basins, the tectonic evolution of these basins and their relationships with each other are clearly revealed. The evolution of the Bohai Bay Basin shows a migration from southwest to northeast. The North Yellow Sea Basin's evolution developed northward, while the South Yellow Sea Basin evolution migrated southwards. The evolution of the East China Sea Basin was activated from northwest to southeast. In combination with the subduction of the Pacific Plate, the conclusions of this study can be summarized in three aspects: (1) The structural pattern of the basin group is characterized by east-west trending belts and north-south trending blocks, (2) tectonic activities in the late Mesozoic-Cenozoic basins evolved from west to east in response to the westward subduction of the Pacific Plate, and (3) due to the collision of the Eurasian Plate and Indian Plate and the transitional pattern of the Tan-Lu Fault Zone from sinistral to dextral, the tectonic evolution of the basin group was centered in the Yellow Sea Basin with the Bohai Bay Basin, evolution migrating northward and the ECSB migrating southward.
机译:在中生代和新生代期间,华北CRATON目睹了一系列构造过渡和变形事件,主要由桥接太平洋板造成,在中国东部和邻近地区形成许多凡士林盆地。基于与均衡部分重建的分析,清除率的比较,以及这些盆地中的文档迁移,这些盆地的构造演化及其与彼此的关系的迁移。渤海湾盆地的演变显示了从西南到东北的迁移。北黄海盆地的进化发展向北,而南黄海盆地进化迁移向南。东海盆地的演变是从西北地区激活的东南。结合太平洋板的俯冲,该研究的结论可以总结在三个方面:(1)盆地组的结构模式的特点是由东西方趋势带和南北趋势块,(2)后期中生代的山脉的构造活动从西部到东方发展,以应对太平洋板的向西介绍,(3)由于欧亚板块和印度板块的碰撞以及Tan-Lu断层的过渡模式从朝南到右旋的区域,盆地组的构造演变为中心,在黄海盆地与渤海湾盆地,进化迁移向北迁移,ECSB迁移向南。

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