“特提斯号”单程列车循环运转模型 (IMAGE) Science China Press Caption (a) 洋中脊消亡后, 俯冲板片拖拽作用于北侧的冈瓦纳大陆边缘致使其发生裂解作用; (b) 裂离自冈瓦纳的微陆块受俯冲作用的牵引, 漂移并与欧亚大陆发生碰撞作用, 该碰撞诱发了俯冲启始作用. 俯冲作用启动后, 新的大洋中脊一定会随之消亡, 从而会重复(a)中过程 Credit ©《中国科学》杂志社 Usage Restrictions Use with credit. License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.