金城关断裂位于兰州市黄河谷地北缘,是兰州地区规模较大的断裂之一,中、新生代以来,对兰州市黄河谷地的形成、发展及其演变过程,对兰州地区的地震活动都起着重要的作用。该断裂在第四纪时期曾有过多次不同规模的活动。不少文献都曾对该断裂做过不同程度的报导。但对该断裂的现今活动性、活动方式等都没有做深入的研究。本文在野外 The Jinchenguan fault, located in the northern margin of the Yellow River valley in Lanzhou, is one of the larger faults in Lanzhou. Since the Mesozoic and Cenozoic, the formation, development and evolution of the Yellow River valley in Lanzhou have played an important role in the seismic activity in Lanzhou Important role. The fault had many different-scale activities during the Quaternary period. Many literatures have reported the fault to varying degrees. However, no research has been done on the current activities and the ways of activities of the fault. This article is in the field