四川省大渡河瀑布沟水电站工程区建设用地地质灾害危险性评估报告目 录1 前言..........................................................................................................................................11.1 评估依据..........................................................................................................................21.2 征地情况及评估范围......................................................................................................21.3 建设项目类型与评估级别确定......................................................................................21.4 评估工作概况..................................................................................................................32 地质环境条件..........................................................................................................................62.1 气象、水文......................................................................................................................62.2 区域地质..........................................................................................................................62.3 地震..................................................................................................................................92.4 水库基本地质条件........................................................................................................102.5 枢纽区基本地质条件....................................................................................................112.5.1 地形地貌...............................................................................................................112.5.2 地层岩性...............................................................................................................122.5.3 地质构造...............................................................................................................142.5.4 物理地质现象.........................................................................
