著名的雅鲁藏布江缝合带和班公湖-怒江缝合带是大陆与大陆碰撞的比较典型的界线, 中外地质学者已有许多论述。笔者参与了西藏1/100万日喀则幅野外和室内工作,对所获成果和收集的部分资料,用大陆漂移理论,对区内构造建造特征及其发展历程作一初步的剖析。 The famous Brahmaputra suture zone and Bangong Lake - Nujiang suture zone are the typical boundary lines between China and the mainland. Many scholars in China and abroad have made many expositions. The author participated in Tibet’s 1 million shigatse field work in the field and indoors. Based on the achievements and some collected data, using the continental drift theory, I made a preliminary analysis of the tectonic features and development history of the area.