| 根据航磁数据探讨阿尔金断裂带的结构及构造演化 |
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| 引用本文： | 张永军, 张开均. 根据航磁数据探讨阿尔金断裂带的结构及构造演化[J]. 物探与化探, 2007, (6): 489-494. doi: 10.3969/j.issn.1000-8918.2007.06.003 |
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| 作者姓名： | 张永军 张开均 |
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| 作者单位： | 中国国土资源航空物探遥感中心,北京,100083;; 南京大学,江苏,南京,210093 |
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| 基金项目： | 国土资源部国土资源大调查项目 |
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| 摘 要： | 阿尔金断裂带是西北地区一条重要的走滑断裂带.通过对阿尔金断裂带及周边地区航磁资料的化极、解析延拓处理,获得了很多有关断裂及地质体的信息.在此基础上分析了阿尔金断裂带的主要断裂的地质-地球物理特征及位移幅度,对盖层与基底的拆离进行了正反演拟合,结合地质资料探讨了阿尔金断裂带的形成时限和演化历史.
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| 关 键 词： | 阿尔金断裂带 航磁 构造演化 化极 延拓 |
| 文章编号： | 1000-8918(2007)06-0489-06 |
| 收稿时间： | 2007-04-27 |
| 修稿时间： | 2007-04-27 |
EVOLUTION OF THE ALTYN TAGH FAULT BASED ON AEROMAGNETIC DATA |
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| ZHANG Yong-jun, ZHANG Kai-jun. EVOLUTION OF THE ALTYN TAGH FAULT BASED ON AEROMAGNETIC DATA[J]. Geophysical and Geochemical Exploration, 2007, (6): 489-494. doi: 10.3969/j.issn.1000-8918.2007.06.003 |
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| Authors: | ZHANG Yong-jun ZHANG Kai-jun |
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| Affiliation: | 1. China Aero Geophysical Survey and Remote Sensing Center for Land and Resources, Beijing 100083, China;
2. Nanjing University, Nanjing 210093, China |
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| Abstract: | The Altyn Tagh fault zone is an important strike-slip fault zone in northwestern China.The aeromagnetic data processed with methods of reduction to the pole and upward continuation offer plentiful information on faults and geological blocks.On such a basis,the geological-geophysical characteristics and displacement of main faults in the Altyn Tagh fault zone were analyzed.The detachment between its cap rock and basement was simulated by means of forward operation and inversion.Its formation time and tectonic evolution are discussed on the basis of geological data. |
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| Keywords: | Altyn Tagh fault zone aeromagnetic survey tectonic evolution reduction to the pole upward continuation |
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