关键词: 黄河, 走滑断裂, 第四纪

Abstract: In the Shapotou,Ningxia,there is a abnomal curved reach,similar to "Ω" of Huanghe River just at the site where runs into the Zhongwei basin from the Heishan gorge.It is found that it is not a general snaking river but a river dislocation with two groups of listric faults of different directions and active behaviours across it.It is associated with the movement of both left-lateral strike-slip faults-nearly E～W striking Zhongwei-Tongxin fault system and right-lateral strkingslip faults-NNW striking Changle-Xingren fault system.

Key words: Huanghe River, Listric faults, Quaternary