数百万年后，强大的地质力量，比如海底火山，会掀起海洋沉积物，形成新的陆地。
After millions of years, powerful geological forces, like underwater volcanoes lift up the ocean sediments to form new land.
全新世的沉积物中含有较新的动植物遗迹，因此很容易从地质学上区分这两个时期。
Holocene sediments contain remnants of more recent plants and animals, so it's pretty easy to differentiate geologically between these two Epochs.
在新研究的基础上，他认为这种隔离并不是经常发生并且还有可能决定于沉积物的构成和地下水流动的复杂性。
On the basis of the new study, he thinks that such sequestration may not always happen and probably depends on the composition of sediments and the complexity of water flow underground.
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