火山岩透过地幔中部份熔融的软流层渗入到地壳，岩浆喷发，海山由此形成。
Seamounts form from magmatic eruptions, which occur when lava seeps up to the crust through the partially-melted sub-layer, known as the asthenosphere, in the mantle.
软流圈地球中地幔的一个区域，在岩石圈之下，包括几百公里可变形的岩石。
A zone of the earth's mantle that lies beneath the lithosphere and consists of several hundred kilometers of deformable rock.
成盆动力学系统是一个包括沉积盆地及其下的地幔、软流圈、岩石圈和莫霍面等不同地质单元的宏观变化和相互制约的过程。
Sedimentary basin forming dynamics system is the macroevolution and correlation of the sedimentary basin, the mantle, the asthenosphere, the lithosphere, and Moho discontinuity.
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