The Seismogenic Structure of the 2008 Wenchuan M_s 8.0 Earthquake: A Newly Generated Deep Fault in Crust along the Longmen Mountains Fault Zone in the Shallow Subsurface

• 责任者：Xu Jie (Institute of Geology ; China Earthquake Administration ; Beijing 100029 ; China) ; Gao Xianglin
• 刊名：Earth Science Frontiers
• 出版年：2010
• 卷期：17(5)
• 关键词：孕震构造 ; seismogenic tectonics ; 深部构造 ; deep-seated structure ; 龙门山断裂带 ; Longmenshan Fault Zone
• 页码：p.117-127
• 图表：3 illus., 39 refs.
• 分类号：0500
• issnNo：ISSN1005-2321
• isbnNo：CN11-3370/P

Based on analysis of tectonic evolution and structural features in shallow subsurface of longmengshan fault zone, the authors did a new study of the relationship between the fault zone and the M_s 8 quake, and proposed a different view on this issue. Geological data indicate that the Longmen Mountains fault zone had undergone three evolution stages with varied dynamic conditions, they were the foreland fold-thrust of Songpan-Ganzi orogenic belt (T₃-J),   the orogene (K-E) and the uplift at the eastern margin of the Tibetan Plateau (N-Q).