The amphibolite xenoliths were from the upper part of lower crust and the lower part of middle crust, bring up to the shallow area of crust .
角闪岩包体来源于下地壳上部-中地壳下部位置，被上升岩浆带至地壳浅部。
Under the influences of mantle and lower crust, the low-velocity layers alternating with high conductive layers distribution occurred in middle crust.
地幔物质的上隆及上侵作用使上地壳裂解断陷，而中地壳在地幔、下地壳的影响下形成相间展布的低速—高导层。
The middle crust and the lower crust is in the ductile field.
上地壳表现为脆性变形，中、下地壳为韧性的流动变形。
Our results show that half of the purportedly deep earthquakes are indeed originating from depths attributable to middle-crust and lower-crust regions.
我们的研究结果显示，一半的据称深源地震确实始于中部地壳和下地壳地区。
Our results show that half of the purportedly deep earthquakes are indeed originating from depths attributable to middle-crust and lower-crust regions.
我们的研究结果显示，一半的据称深源地震确实始于中部地壳和下地壳地区。
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