After millions of years, powerful geological forces, like underwater volcanoes lift up the ocean sediments to form new land.
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。
Some 251m years ago, the effluvia of Siberian volcanoes wiped out 95% of life in the seas, and almost as much on the land, in an episode known as the Great Dying.
大约两亿五千一百万年前,在大灭绝时期,西伯利亚火山的废渣歼灭了95%的海洋生物,陆地上也是差不多情形。
You can usually find good clay in low areas of islands or land, especially if volcanoes helped form the land.
一般在岛屿或是陆地的低洼地能够找到很好的黏土,特别是火山形成的陆地。
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