| 福建九龙江下游NW向断裂带第四纪以来活动特征 |
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| 引用本文： | 叶友权,黄卿团,王遹其,薛蕾.福建九龙江下游NW向断裂带第四纪以来活动特征[J].西北地震学报,2012,34(1):64-71. |
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| 作者姓名： | 叶友权 黄卿团 王遹其 薛蕾 |
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| 作者单位： | 厦门地震勘测研究中心,福建厦门,361021 |
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| 摘 要： | 通过对福建九龙江下游NW向断裂带断层上覆地层的切割关系、断裂两侧第四纪等时地貌面的差异性变化、浅层地震勘探、断层两侧钻孔探测等资料分析,研究了断裂第四纪以来的活动特征及断裂构造的组合特征.结果表明:(1)郭坑—江东桥断裂(F1)、珠坑断裂(F3)、金峰—大帽山断裂(F7)为早第四纪(Q1-2)断裂;岱山岩—珩坑断裂(F6)的观音山—古湖段为早第四纪(Q1-2)断裂、古湖—洪塘段为晚更新世活动断裂;覆船山—康山断裂(F4)、九龙江(西溪)断裂(F5)为晚更新世早期活动断裂,海沧—钱屿断裂(F2)为晚更新世活动断裂.(2)郭坑—江东桥断裂和金峰—大帽山断裂将本区切割成3个地块,形成了小田坑山地垒、漳州地堑、锅尖山地垒的构造组合形式.漳州地堑再被覆船山—康山断裂和岱山岩—珩坑断裂切割成3个地块,又形成了较小的圆山地垒、九龙江西溪河谷地堑、马鞍山地垒的构造组合形式.
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| 关 键 词： | 福建九龙江 活动断裂 第四纪活动 组合特征 |
Quaternary Active Features of the NW-striking Fault Zone in Jiulong River Downstream Area, Fujian Province |
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| YE You-quan,HUANG Qing-tuan,WANG YU-qi,XUE Lei.Quaternary Active Features of the NW-striking Fault Zone in Jiulong River Downstream Area, Fujian Province[J].Northwestern Seismological Journal,2012,34(1):64-71. |
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| Authors: | YE You-quan HUANG Qing-tuan WANG YU-qi XUE Lei |
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| Institution: | (Xiamen Seismological Survey and Research Center,Fujian Xiamen 361021,China) |
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| Abstract: | The Quaternary active features and combination relation of NW-striking fault zone in the downstream area of Jiulongjiang in Fujian province are researched through analysis of Quaternary geology,geomorphology,high-resolution seismic profiling,dating and drilling.The results show that:(1) The Guokeng-Jiangdong fault(F1),Zhukeng fault(F3) and Jinfeng-Damaoshan fault(F7) actived in early Quaternary(Q1-2).Daishanyan-Hengkeng fault(F6) actived in early Quaternary and late Pleistocene on different segments.The Fuchuangshan-Kangshan fault(F4) and Jiulongjiang(west stream) fault(F5) actived in early late Pleistocene.The Haicang-Qiangyu fault(F2) actived in late Pleistocene.(2) The Guokeng-Jiangdongqiao fault and the Jinfeng-Damaoshan fault divided the research area into 3 blocks and formed the Structural Assemblage of Xiaotiankeng horst,Zhangzhou graben and Guojianshan horst.Than the Zhangzhou graben was divided into 3 blocks by the Fuchuanshan-Kangshan fault and the Daishanyan-Hengkeng fault,and formed the smaller Structural Assemblage of Yuanshan horst,Jiulongjiang Xixi valley graben and Maanshan horst. |
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| Keywords: | Jiulong river in Fujian province Active fault Quaternary activity Combination relation |
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