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

Xiaoming Xu; Yinsheng Ma; Danian Shi; Xiaofeng Wang; Chengming Yin

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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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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.

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《地震学报：英文版》 |2009年第2期|189-195|共7页
作者
Xiaoming Xu; Yinsheng Ma; Danian Shi; Xiaofeng Wang; Chengming Yin;
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作者单位

Institute of Mineral Resources;

Chinese Academy of Geological Sciences;

Beijing 100037;

China;

Institute of Geomechanics;

Chinese Academy of Geological Sciences;

Beijing 100081;

China;

Research Institute of Petroleum Exploration andDevelopment;

Qinghai Oilfield Company;

PetroChina;

Dunhuang;

Gansu 736202;

China;

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原文格式 PDF
正文语种 chi
中图分类地质构造、油气藏（田）的形成;地震与地球构造;
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;

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

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