The "mantle plume" thus formed, once established, continues to channel hot material from the mantle base until the reservoir is emptied.
这样形成的“地幔柱”一旦形成，就会继续从地幔底部引导热物质，直到储层被排空。
2
They are formed over a hot spot of magma.
它们是在岩浆热点上形成的。
3
Most people live on the four largest. The Hawaiian Islands were formed starting millions of years ago by hot liquid rock flowing from undersea volcanoes.