| 苏北及邻区前志留基础层的综合地球物理研究 |
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| 引用本文： | 吴健生,王家林,于鹏,郭彤楼,陈高. 苏北及邻区前志留基础层的综合地球物理研究[J]. 勘探地球物理进展, 2006, 29(2): 109-114 |
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| 作者姓名： | 吴健生 王家林 于鹏 郭彤楼 陈高 |
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| 作者单位： | 1. 同济大学海洋地质国家重点实验室,上海,200092
2. 中国石油化工股份有限公司南方勘探开发分公司,云南,昆明,650200 |
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| 摘 要： | 在前新生代油气资源选区评价中，前志留面之下未变质沉积地层（简称前志留基础层）的分布具有重要的参考价值。从提高纵向分辨率的处理和反演技术的应用入手，结合约束条件,利用大地电磁测深数据反演,揭示前志留面等界面的埋深和分布；同时应用小波分析技术，从磁场中分解出区域磁异常，反演结晶基底的埋深。通过这2个界面埋深的差异来分析前志留基础层的分布
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| 关 键 词： | 苏北及邻区 |
| 文章编号： | 1671-8585（2006）02-0109-06 |
| 收稿时间： | 2006-03-10 |
| 修稿时间： | 2006-04-13 |
Integrated geophysical studies of the Pre-Silurian bedrock strata in north Jiangsu area and adjacent regions |
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| Wu Jiansheng,Wang Jialin,Yu Peng,Guo Tonglou,Chen Gao. Integrated geophysical studies of the Pre-Silurian bedrock strata in north Jiangsu area and adjacent regions[J]. Progress in Exploration Geophysics, 2006, 29(2): 109-114 |
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| Authors: | Wu Jiansheng Wang Jialin Yu Peng Guo Tonglou Chen Gao |
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| Affiliation: | State Key Laboratory of Marine Geology, Tongji University, Shanghai 200092, China |
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| Abstract: | The distribution of unmetamorphosed sedimentary strata below the Pre Silurian interface (called Pre Silurian bedrock for short) are quite important for the selection and evaluation of the Pre Cenozoic oil &; gas resources. Firstly the buried depth and distribution of the Pre Silurian interface were inversed from magnetotelluric data with constraint conditions. Then the buried depth of crystal basement was inversed using wavelet analysis. The difference between these two buried depths was used to infer the distribution of the Pre Silurian bedrock. |
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| Keywords: | north Jiangsu area and adjacent regions magneto-telluric sounding Pre-Silurian interface crystal basement regional magnetic anomaly integrated geophysics |
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