青藏高原位于特提斯构造域中 ,冈瓦纳大陆与欧亚大陆碰撞焊接的主缝合线由这里经过。羌塘地块处于青藏高原现今块带结构的中部 ,两侧均以已被公认的凸向东北的缝合带构造作为边界。目前对该地块的来源有两种观点 :一种认为它原是冈瓦纳大陆的一部分 ,印支期开始裂离北漂 ,于三 The Qinghai-Tibet Plateau is located in the Tethys tectonic domain, where the main suture of the collision welding between the Gondwanaland and Eurasia passes. The Qiangtang block is located in the middle of the current block structure of the Qinghai-Tibet Plateau, with borders on either side of the belt, which have been recognized as suture zones protruding northeast. At present there are two sources for the source of the plot: one is that it was originally part of the mainland of Gondwanaland, the Indochinese period began to split off from the North Pole, and the third