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首页> 外文期刊>Terra Nova >Two-stage Cenozoic evolution of NW-SE-trending faults in the coastal area of southeast China controlled the fan-shaped Zhangzhou basin
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Two-stage Cenozoic evolution of NW-SE-trending faults in the coastal area of southeast China controlled the fan-shaped Zhangzhou basin

机译：东南部沿海地区北方潮流断层的两级新生代演变控制了扇形漳州盆地

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摘要

Widespread NW-SE-trending faults and Cenozoic basins in the coastal area of Fujian Province demonstrate unique tectonic deformations from the influence of the modern arc-trench system on the adjacent continent. Field-based structural analyses in the Zhangzhou region identify two-stage deformation in the Cenozoic. The early stage was dominated by normal faulting and mafic intrusions. The structural configuration was differentiated as a graben in the estuary area and linear ridges in the western mountains, representing outer arc extension caused by orthogonal flexure of the coast. Late-stage deformation turned early stage normal faults into sinistral strike-slip faults and induced a transtensional setting that greatly facilitated the evolution of the basin as well as a small rotation of the segmented structures. The tectonic dynamics are attributed to far-field effects of the west Pacific subduction zones. Additionally, a strike-slip fault-controlled scissor-like structure is proposed to demonstrate the mechanism of the redefined, fan-shaped basin.
机译：福建省沿海地区的广泛的NW-SE趋势和新生代盆地展示了来自邻近大陆的现代弧形系统影响的独特构造变形。漳州地区基于现场的结构分析识别新生代的两级变形。早期阶段是由正常断层和迈涂侵犯的主导。结构配置在西部山区的河口区域和线性山脉中的争夺区分，代表了由海岸正交弯曲引起的外弧延伸。晚期变形将早期正常故障转化为Sinistral Strike滑倒故障，并引起了一个静音设置，极大地促进了盆地的演变以及分段结构的小旋转。构造动态归因于西太平洋俯冲区的远场效应。另外，提出了采用滑动故障控制的剪刀状结构，以证明重新定义的扇形盆地的机制。

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  • 来源
    《Terra Nova》 |2019年第5期|共13页
  • 作者

    Chen Wei; Hu Xiangyun; Zhuang Qingxiang; Chen Qi;

  • 作者单位

    China Univ Geosci Inst Geophys &

    Geomat Wuhan 430074 Hubei Peoples R China;

    China Univ Geosci Inst Geophys &

    Geomat Wuhan 430074 Hubei Peoples R China;

    Fujian Xianghe Geothermal Dev Co Ltd Zhangzhou Peoples R China;

    Three Gorges Geotech Consultants Co Ltd Wuhan Hubei Peoples R China;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 天文学、地球科学;
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