中下地壳 intermediate-lower crust ; middle-lower crust
下地壳韧性剪切带 lower crustal ductile shear zone
下部地壳 lower crust
下地壳拆沉 lower crust delamination
下地壳包体 lower crustal xenoliths
下地壳熔融 lower crust melting
下地壳剖面 Lower continental crust section
太古宙下地壳 archean lower crust
扬子大陆下地壳 lower crust of the Yangtze continent
地壳下的 subcrustal
上地壳表现为脆性变形，中、下地壳为韧性的流动变形。
The middle crust and the lower crust is in the ductile field.
对地球引力的研究表明，在不寻常的负荷之下地壳和地幔会发生位移。
Studies of thegravity field of the Earth indicate that its crust and mantle yieldwhen unusual weight is placed on them。
一般来说，下地壳的成分接近于玄武岩，而上地壳的物质成分与花岗岩相似。
In general, the composition of lower crust is close to basalt and the composition of upper crust is similar to granite.
应用推荐