研究结论: 全线主要分布第三～ 第四纪火成岩，基本没有滑坡、泥石流及煤层采空区等重大不良地质，地质条件总体较好。地表水、地下水不发育，对工程基础影响较小; 软土不发育，膨胀土及冲沟大面积分布; 基岩差异风化明显，变化厚度大并且存在软弱夹层，对路堑、隧道及桥梁工程影响较大; 受地形及构造影响，局部地段存在危岩落石及岩堆，但规模较小，较易于治理; 受火山活动影响，局部地段地裂发育，对线路影响较大，宜作专题研究。

Research conclusions: Tertiary and Quaternary igneous rock is largely distributed，unfavorable geology such as landslide，collapse，debris and coal gob area is barely found along alignment，so geological condition is good．Surface and ground water is not well developed，thus it has little effect to engineering foundation，soft soil is not well developed too，but expansive soil and gully is widely distributed． Igneous rock is largely different weathered，the weathering depth various too much and soft layer exist，that has large effect to cutting，tunnel and bridge．Under the effect of landform and structure，dangerous rock and talus is distributed part of section but it is easily cured． Fissure is well developed in some area under the effect of volcanic action that has relative larger effect to alignment，specific research is suggested to do．