通过对各期构造的褶皱轴迹和共轭节理的统计分析，恢复了印支期、燕山期、喜山期构造的古应力场。
By statistics and analysis of fold axis 、 lines and conjugate joints in structures of every stages , the paleotectonic stress fields in Indo-chinese stage , Yanshan stage and Himalayan stage were resumed .
褶皱轴迹