| 浅源极远震的震相特征与识别方法 |
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| 引用本文： | 刘家愚,张义梅.浅源极远震的震相特征与识别方法[J].湖南地质,1998(4). |
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| 作者姓名： | 刘家愚 张义梅 |
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| 作者单位： | 湖南省地震局 |
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| 摘 要： | 介绍了纵波在地球内部的传播过程和浅源极远震的震相特点。由不同震中距的地震反映在三分向地震记录图上的初至震相振幅比的差异，归纳出由地震初动判别地震类型的方法，结合实际工作经验，得出如何判别ＰＫＳ震相、如何由ＰＰ推Ｓ、由ＳＳ反推ＰＰ震相，以及根据地震面波的到时，通过《Ｒｍ－Ｐ》表来验证震中距等几种识别极远震及其震相的方法
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| 关 键 词： | 地震波 震相 地震射线 极远震 |
LOGGING EXPLANATION OF THE COMPLEX COALBED IN CESHUI FORMATION OF THE DOWN CARBONIFEROUS IN MIDDLE HUNAN |
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| Brigade of Hunan Bureau of Coalfield Geology,Lianyuan.LOGGING EXPLANATION OF THE COMPLEX COALBED IN CESHUI FORMATION OF THE DOWN CARBONIFEROUS IN MIDDLE HUNAN[J].Hunan Geology,1998(4). |
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| Authors: | Brigade of Hunan Bureau of Coalfield Geology Lianyuan |
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| Institution: | 2 Brigade of Hunan Bureau of Coalfield Geology Lianyuan 417100 |
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| Abstract: | This article uses the high resolution logging method to explain the complex coalbed in Ceshui formation of the down Carboniferous in middle Hunan,and acquirs a good solution,makes the logging data be more reliable and be conveinable to utilize. |
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| Keywords: | Conplex coalbed Explanation Logging method Middle Hunan |
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