After the collision of the Nansha block and the Kalimantan-Southwest Palawan block, the Zengmu basin and the Brunei-Sabah basin were produced as the winding of the lithosphere of the southeast margin.

• 南沙地块与加里曼丹-西南巴拉望地块发生碰撞后,在其东南边缘由于岩石圈弯曲而产生了曾母盆地和文莱-沙巴盆地。