Application of Acoustic Emission in the Study of Paleo-Tectonic Events in the Northern Part of Tanlu Fracture
详细信息
- 责任者：Xie Guoai (School of Earth Sciences and Engineering ; Nanjing University ; Nanjing 210093 ; China) ; Wang Xiyong
- 刊名：Geotectonica et Metallogenia
- 出版年：2009
- 卷期：33(3)
- 关键词：声发射 ; acoustical emissions ; 断裂 ; fractures ; 郯庐断裂带 ; Tancheng-Lujiang Fault Zone
- 页码：p.381-385
- 图表：2 illus., 2 tables, 22 refs.
- 分类号：0300
- issnNo：ISSN1001-1552
- isbnNo：CN44-1595/P
摘要
By using acoustic emission to study the paleo-tectonic events field in the north segment of the Tanlu fracture, the result indicates that this area has undergone eight paleo-tectonic movements since Late Ordovician. The maximum principal stress value has been determined as 153.6 MPa. There were no or weak tectonic movements from Early Permian to the early Yanshan Movement. There were four paleo-tectonic movements after Early Cretaceous. The results show that the Yilan-Yitong and Haerbin-Changchun faults were formed in the Paleozoic, then the movment stopped. The Tanlu fracture strongly moved in the Yanshan period, and became a large-scale strike-slip fault.