Structural Characteristics of NWW-Trending Active Fault Zones in East China: A Case Study of the Zhangjiakou-Penglai Fault Zone
详细信息
- 责任者：Suo Yanhui (Key Lab. of Submarine Geosciences and Exploration Techniques ; Ministry of Education ; College of Marine Geosciences ; Ocean University of China ; Qingdao 266100 ; China) ; Li Sanzhong
- 刊名：Acta Petrologica Sinica
- 出版年：2013
- 卷期：29(3)
- 关键词：活动构造 ; active tectonics ; 断裂带 ; fracture zones ; 河北 ; Hebei Province ; 山东 ; Shandong Province
- 页码：p.953-966
- 图表：illus., 56 refs.
- 分类号：0300
- issnNo：ISSN1000-0569
- isbnNo：CN11-1922/P
摘要
The NE-trending fault zones in East China have been well known.However,the NWW-trending fault zones are poorly known.Especially these NWW-trending fault zones are characterized by neotectonic activities.Taking the Zhangjiakou-Penglai Fault Zone as an example,this paper carries out a detailed analysis of the NWW-trending active faults in geometry,kinematics,dynamics and earthquake activities.The results show that these NWW-trending faults are sinistral strike-slipping faults controlling some en echelon Quaternary pull-apart basins.These faults have triggered plenty of earthquakes as the seismogenic structures.All these structural features result from the differential activities in dynamics among the neighboring blocks as a response to the various deformations of different segments along the plate boundaries.Under the combining effect of the other surrounding plates around China,the NWW-trending faults in North China and the south part of South China are possibly dominated by the collision of the Indian Plate to the Eurasian Plate.However,the NWW-trending faults in Northeast China and the east part of South China are possibly dominated by the subduction of the Pacific Plate.
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