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渤海湾复式盆地动力学探讨
石油实验地质
2001年 23卷 第1期
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Title
ON DYNAMICS OF THE BOHAI BAY COMPLEX FAULTED BASIN
Organization
China Ulniversity of Geosciences, Wuhan 430030, China
摘要
渤海湾盆地是中国东部较为典型的中新生代复式断陷盆地.本文根据渤海湾盆地构造格架、构造样式、构造分带迁移和深部构造背景,探讨了其盆地动力学.文章认为渤海湾盆地的形成与演化是两大动力系统在时空上叠加复合的结果.一个动力系统是NW-SE区域性伸展拉张;另一动力系统是由郯庐断裂带平移所引起的近NS向拉分或走滑变形.这两大动力系统是相对独立且在空间上共存.因此渤海湾地区是中新生代区域性伸展拉张叠加上郯庐断裂带平移拉分和走滑所形成的复式盆地.
Abstract
Bahai Bay Basin,formed during the Meso-Cenozoic,is a typical complex faulted basin in eastern China.Based on the tectonic framework,structural style,tectonic transport and deep geophysical data of the basin,its dynamics was discussed.It was suggested that formation and evolution of the basin was resulted from superimposition and compounding of two dynamic systems in time and space,which were relative independent and co-exist in space.One was regional extension system trending NW-SE and another was N-S trending pull apart or strike-slip system resulted from Tanlu fault zone.
关键词：
渤海湾盆地;
盆地动力学;
伸展拉张;
平移拉分;
构造叠加与复合;
Keywords:
Bobai Bay Basin;
basin dynamics;
regional extension;
pull-apart;
structural superimposition and compounding;
DOI
https://doi.org/10.11781/sysydz200101027
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