雅思考试必备短语词组 upper crust
释义：
upper crust 上流社会
例句：
There is oil storage in some areas of the upper crust.
地壳上层部分地区有石油储存。
The ore lead in the deposits mainly came from the upper crust.
矿床的矿石铅主要来自上地壳。
The tektite was formed from the upper crust rocks by impact melting.
玻璃陨石是地壳岩石受撞击熔融形成的。
Eton is a school that only the children of the upper crust can afford.
伊顿公学是一所只有上流社会的子弟才上得起的学校。
Depths of these hypocenters concentrate at about 12km deep in the upper crust.
这些震源深度集中在地壳上部约12公里处。
The inrersion results indicate that: (1) the velocities vary slightly in the upper crust;
计算结果表明，在地壳上部，速度分布变化不大；
The metallogenic materials are mainly from the deep magmas and the rest from upper crust.
成矿物质主要来源于深部岩浆，有部分地壳物质的加入。
Doleritic veins are made sure of mantle source, which did not mix with upper crust matter.
辉绿岩脉是来自于幔源，没有受到上地壳物质的污染。
Which also shows that the trace elements in Heidaigou coal and its dirt are from the upper crust.
元素地球化学特征还表明，黑岱沟煤及煤层夹矸中微量元素来源于上地壳。
Some mineral assemblages of granodiorites such as Muscovite, garnet, etc. are found during upper crust forming.
少部分花岗闪长岩中出现白云母、石榴子石等上地壳特征矿物。
The previous researches indicate input of mantle material into upper crust during magmatism and ore-forming process.
大量研究资料表明，区内成矿和成岩过程中有幔源物质的加入。
In general, the composition of lower crust is close to basalt and the composition of upper crust is similar to granite.
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。
Most of the faults in the southeast coast of Fujian Province occur in the sial of upper crust and some have reached the sima.
福建东南沿海断裂1多发生于上地壳硅铝层，少数达硅镁层。
Between the Kunlun fault and Yarlung Zangbo suture the eastward flow resulted in the formation of detachments in the upper crust.
在昆仑山脉与雅鲁藏布缝合带之间，向东的流动便形成上部地壳的滑脱构造。
Therefore, the average chemical compositions of loess may be used to represent average chemical constituents of continental upper crust.
因此，笔者认为，可以用黄土的平均化学成分来代表大陆上部地壳的平均化学组成。
In the Songliao basin there occurred pre-rift volcanic rocks. Then brittle extension of the upper crust gave rise to a semi-graben rift basin.
松辽盆地存在裂谷期前火山岩，之后上地壳脆性伸展发育半地堑裂谷盆地。
The OBS has recorded Moho and other seismic waves, the sedimentary layer, the upper crust layer and the lower crust layer can be identified from it.
OBS记录到了包括莫霍面在内的地震波，可以识别地壳内沉积层、上地壳层、下地壳层等多个层位的折射波地震相。
From analysis, it is concluded that the upper part of the upper crust is brittle and the lower part is tenacity and deformed with the development of a shear zone.
分析认为，上地壳上部呈现脆性，下部为脆韧性过渡状态，主要发育有板状断层或犁式断层；