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斜长石组构的显微测量方法及应用
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
作者姓名:马芳 金淑燕
作者单位:中国地质大学
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。

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
Ma Fang,Jin Shuyan. Methods of Measuring Plagioclase LPO by U stage and their Application[J]. Global Geology, 1999, 18(1): 31-38
Authors:Ma Fang  Jin Shuyan
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.
Keywords:plagioclase   lattice preferred orientation   middle and lower crust  
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