This paper deals with the anisotropy of magnetic susceptibility (AMS) of Laji Shan and its adjacent areas. Cenozoic sedi......

通过对拉脊山隧道出口地质条件、地形、地貌的描述，对洞口设计及施工中存在的问题进行了分析，并给出了总体的施工原则，对涌水处理方案......

The Qilian orogenic belt,as an important component of the central orogenic system,can be divided into three tectonic uni......