The ridge is formed primarily from marine sediments scraped off the top of the Australia plate and piled up on top of the leadingedge of the Sunda Plate.
洋脊的形成主要是由于从澳大利亚板块顶端刮落的海洋沉积物，在巽他板块的前端表面堆积起来了；
2
As these volcanoes grow, they rise above the ocean surface to form lines of islands along the leadingedge of the overriding plate.
随着这些火山的生长，它们上升到海面以上会沿着仰冲板块的前缘形成岛链。
3
As the leadingedge of one plate is consumed beneath the other, some of the magma finds its way up between cracks and crevices in the continental crust.