In conclusion, it is indicated that folding effect plays major role in tectonic deformation of Lanzhou Basin in late-Quaternary, while tectonic activity of faults has been not clear since that time.

• 结果表明：兰州盆地晚第四纪的构造变形主要以褶皱隆升为主，盆地内的断裂晚第四纪无明显构造活动。