前言素有“丝绸之路”著称的河西走廊,全长八百余公里,呈北西西向带状展布。在它的西北两侧受着两条北西西向的深大断裂控制,并被一组北北西向的断裂切割,构成一字形排列的隆起与拗陷的构造格局,形成隆(山地)拗(盆地)相间的地貌景观。它们由东而西依次为武威拗陷—大黄山隆起—张掖拗陷—榆木山隆起—酒泉拗陷—榆树沟山 The preface is known as the “Silk Road” is well known for the Hexi Corridor, a total length of 800 kilometers, showing a belt spreading from northwest to west. It is controlled by two NWW deep faults on both sides of its northwest and is cut by a group of north-northwest-west faults to form an in-line tectonic pattern of uplift and depression to form a long (mountainous) bend ) Landscape and landscape phase. They are from the east to the west followed by Wuwei depression - uplift Huangshan - Zhangye depression - Elm Hill uplift - Jiuquan depression - Yushugou Mountain