这些方法在地幔最深处揭示了一些意想不到的巨大构造；其中最大的一块是在非洲南端正下方的一块热岩。
These methods have revealed some unexpectedly immense formations in the deepest parts of the mantle; the largest of these is a buoyant mass of hot rock directly below Africa's southern tip.
而深层地热是指地球深层数千米、温度更高的深层地热能或干热岩资源。
Deep geothermal energy refers to the higher-temperature heat or hot dry rock resources contained in the several-thousand-meter deeper earth stratum.
但要将地热资源大加利用，通常就是简单地利用下面的热岩建立自己的贮藏库。
But the big play in geothermal energy has always been to simply use the hot rocks down there and create your own reservoir.
应用推荐