我国社会主义建设的飞跃发展,迅速地推动了对我国广大地区新构造运动的研究。近两年来,作者于滇西北、西南一带进行地貌考察工作,在工作中深为云南强烈的新构造运动现象所吸引,并感到这些现象对于矿床的普查、水文地质和工程地质、大地测量和 The rapid development of our socialist construction has promptly promoted the study of neotectonic movement in vast areas in our country. In the recent two years, the authors conducted landscape survey in the northwestern and southwestern areas of Yunnan, attracted by the intense neotectonic movement in Yunnan Province during their work. They felt that these phenomena are very important for general survey, hydrogeology and engineering geology, geodesy and