地幔岩石是1985年收集来的，包含了地球深部地幔的成分的岩石。
由于靠近地核，地幔底部的岩石比上地幔岩石的温度高得多。
Because of its proximity to Earth's core, the rock at the base of the mantle is much hotter than rock in the upper mantle.
如果这是真的，月球和地球的地幔岩石从地球化学上来看应该是相同的。
If it is true, the mantle rocks of the Moon and the Earth should be the same geochemically.
正如我们讨论过的，地壳由位于熔融岩石的地幔上的大型板块构成。
As we've discussed, Earth's crust is made up of large plates that rest on a mantle of molten rock.
应用推荐