该大陆地壳最古老的那些部分有40亿年了。
The most ancient parts of the continental crust are 4000 million years old.
随着时间的推移，地球大陆地壳的组成发生了巨大的变化。
Earth's continental crust has changed significantly in composition overtime.
在高山地带下面的大陆地壳，其厚度要比平均厚度大得多。
The continental crust is much thicker than average beneath the great mountain belts .
结果表明：此区是大陆地壳中一个十分突出的低Q值区域。
The result shows that this region is distinctly a low-Q region in the continental crust.
而相应的物质构成对分析大陆地壳演化的过程具有重要意义。
It is of important signification to analyse the process of the continental crust evolve with relevant material composition.
通过分析中国大陆地壳运动GPS速度场得到现今构造应变率场。
We obtain contemporary tectonic strain rates of Chinese continent from analyzing crustal motion inferred from GPS velocity field.
东海陆架盆地是位于中国大陆东部边缘大陆地壳之上的边缘海盆地。
The East China Sea Shelf Basin is a marginal sea basin located on Continental crust of China eastern margin.
大陆地壳长时期内未受到板块构造的或造山活动的很多影响的稳定区。
A stable area of continental crust that has not undergone much plate tectonic or orogenic activity for a long period.
阿尔泰造山带是中亚地区显生宙大陆地壳增生明显的地区之一，蕴藏丰富的矿产资源。
The Altai orogeny, as one of notable crustal accretion areas, is famous for its abundant mineral deposits.
这些差异主要受沉积盆地基底成分的控制，因而反映了成矿时大陆地壳成熟度的差异。
The compositional contrasts are considered to have been induced by differences in composition of the basin basements and hence by varying maturity of continental crust during ore formation.
地壳运动存在着数年尺度的较明显的波动性，这可能是大陆地壳运动的一个主要特征；
Significant fluctuation with a time-scale of several years exist in the crustal movement, which might be a principal feature for the continental crustal movement;
来自板块之间相对运动的构造力可以传递到大陆地壳，从而形成了大陆内部的地震应力场。
Tectonic forces from the relative movements between plates are transmitted into the continental crust, and then they create the earthquake generating stress field there.
这证明了在大陆地壳岩石俯冲的过程中，石榴石作为水的载体是可以将水携带到地幔深处。
This indicates that garnet, as a carrier of fluids, is able to bring water into the mantle while continental rocks were subducted.
随着一个板块的前边缘被淹没在另一个之下，有些岩浆会顺着大陆地壳中的裂缝和缝隙向上涌出。
As the leading edge of one plate is consumed beneath the other, some of the magma finds its way up between cracks and crevices in the continental crust.
这表明，中国大陆地壳现今活动是第四纪以来新构造活动的继续，但也出现了一些新的活动趋势。
It shows that the recent crustal activity in Chinese mainland inherits the neotectonic movement occurred since the Quaternary, while some new activity tendencies appear.
铁锰结壳的铼-锇同位素组成明显有别于大陆地壳岩石，和K- T界线沉积物相似，接近陨石值。
The Re Os isotope composition is obviously different from the rocks of the continental crust, but similar to the K T boundary sediment, and close to the meteorite.
因为亚洲南部大陆地壳边缘起始于赤道以北1800英里处，这意味着它一定受到印度板块的挤压。
Because the edge of southern Asian continent is 1800 miles away from the north of the equator, it means there must be an extrusion from Indian Plate.
研究成果表明，大陆地壳和上地幔的反射特征具有显著的差异，这些差异反映了不同的构造单元和状态。
The results indicate that the continental crust and upper mantle exhibit significant differences in reflection characteristics, which are related to tectonic units and regions.
研究成果表明，大陆地壳和上地幔的反射特征具有显著的差异，这些差异反映了不同的构造单元和状态。
The results indicate that the continental crust and upper mantle exhibit significant differences in reflection characteristics, which are related to tectonic units and regions.
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