Steep and antithetic platy structure of rock mass and geomorphology of the longitudinalvalley in the dam site area cause wide-range toppling deformation on the cross-strait slope.
对该水电站坝址区陡立反倾板状结构岩体而言，纵向河谷的地形特征，使坝址两岸边坡大范围发育倾倒变形。
2
The results show that late Quaternary extension has been observed along the longitudinal Anninghe valley, along the Daliangshan structural zone, in the Zoige basin and in the upstream Minjiang river.