| 斜长石组构的显微测量方法及应用 |
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| 引用本文： | 马芳,金淑燕.斜长石组构的显微测量方法及应用[J].世界地质,1999,18(1):31-38. |
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| 作者姓名： | 马芳 金淑燕 |
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| 作者单位： | 中国地质大学 |
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| 摘 要： | 介绍了目前国外用费氏台测量斜长石组构的三种方法：（１）ＢＰＷ图解法；（２）（０１０），（００１）双面交点法；（３）（０１０）消光角法；并分析了其适用范围及各自的优缺点。最后总结了确定斜长石组构的应用意义；（１）确定滑移系；（２）判断剪切方向；（３）计算地震波速。
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| 关 键 词： | 斜长石 晶格优选方法 岩石组构 显微测量法 |
Methods of Measuring Plagioclase LPO by U stage and their Application |
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| Ma Fang,Jin Shuyan.Methods of Measuring Plagioclase LPO by U stage and their Application[J].World Geology,1999,18(1):31-38. |
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| Authors: | Ma Fang Jin Shuyan |
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| Abstract: | The paper introduces three methods of measure plagioclase LPO by U stage: (1)BPW diagram; (2)two plane (010), (001); (3)(010) extinction angle .Their application ranges, qualities and defects are also discussed respectively. At last, the paper summarizes the application of plagioclase LPO: getting slide system,identifying the shear direction,calculating seismic wave velocity. |
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| Keywords: | plagioclase lattice preferred orientation middle and lower crust |
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