Zengmu Basin is a peripheral foreland basin,formed from southern subduction of Nansha Block and gentle collision with Borneo Block,and experienced four stages of tectonic evolution.

• 曾母盆地是南沙块体向南俯冲与婆罗洲块体发生软碰撞而形成的一个周缘前陆盆地,经历了四个不同的构造演化阶段。