Application of teleseismic tomography to the study of shallow structure beneath Shizigou in the western Qaidam basin

查看全文 作　　者：Xiaoming [1]Xu;Yinsheng [2]Ma;Danian [1]Shi;Xiaofeng [2]Wang;Chengming [3]Yin

机构地区：[1]Institute of Mineral Resources, Chinese Academy of Geological Sciences, Beijing 100037, China;[2]Institute of Geomechanics, Chinese Academy of Geological Sciences, Beijing 100081, China;[3]Research Institute of Petroleum Exploration andDevelopment, Qinghai Oilfield Company, PetroChina, Dunhuang, Gansu 736202, China

出　　处：《Earthquake Science》索引2009年第22卷第2期,共7页

基　　金：supported by Special Fund for National Oil and Gas (XQ-2004-01);International Program for Science and Technology Cooperation (2006DFA21350). 摘　　要：Teleseismic body wave traveltime tomography is used to inverse the three-dimensional seismic velocity structure beneath Shizigou in the western Qaidam basin.The travel time are picked from the continuous observation data on a small seismic array of stations deployed during 2004-2007.The tomographic results obtained indicate that a NW-trending low velocity anomaly just beneath the target region insert northeastwards with a high dip angle.In the north, northeast and east of the low velocity anomaly, some high-velocity anomalies distribute with the same strike and coverage as those of Shizigou anticline. 关键词：柴达木盆地西部速度结构狮子远震断层应用走时层析成像地震台阵

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Application of teleseismic tomography to the study of shallow structure beneath Shizigou in the western Qaidam basin

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