通过多年来的野外调查,认为河西系在兰州地区有广泛的分布,表现极为明显.可划分为两个一级沉降带和一个一级隆起带.它们的展布对本区新构造运动的发展演变和现代地貌形态起着重要的作用. Through years of field investigation, it is concluded that the Hexi Corridor is characterized by a wide range of distribution in Lanzhou, which can be divided into two first-level subsidence zones and a first-level uplift zone. Their distribution has evolved the development of Neotectonic movement in this area And modern landscape morphology plays an important role.