oceanic crust

Petrological Evidence for Subduction of the Early Paleozoic Oceanic Crust in Bart-Obo, Inner Mongolia

内蒙古巴特敖包地区早古生代洋壳消减的岩石证据

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Oceanic crust type can be subdivided into mobile region type ( mainly tensional) and stable region type.

大洋壳型中可细分为活动区型（主要为拉张式）和稳定区型。

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Degassing impulses give rise to the strengthening of oceanic crust spreading which is correlated with phases of diastrophism creating folded orogenic belts.

排氢脉冲导致洋壳扩张的增强，而此则与创造出造山带的地壳变动幕相关。

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Seesaw Phenomenon in Oceanic Crust

大洋地壳的跷跷板现象

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Both sea-floor spreading and oceanization may lead to the formation of oceanic crust.

海底扩张和陆壳大洋化，均能形成洋壳。

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Both oceanic crust and continental crust type volcanic actions influenced the forming of the Great Ice Age.

洋壳型火山与陆壳型火山共同作用形成大冰期。

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The hypothesis was substantiated soon afterward by the discovery that periodic reversals of the Earths magnetic field are recorded in the oceanic crust.

这个假定不久之后为发现所证实。该发现表明地球磁场周期性的逆转被记录在海洋地壳中。

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The Serpentinite in Oceanic Crust-Source Rock

洋壳蛇纹岩&生烃源

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Geological record of Early Precambrian oceanic crust and its implication for plate tectonics

早前寒武纪洋壳的地质记录及其板块构造意义

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Owing to the difficulty of sampling beneath the deep oceans, the composition of the oceanic crust is not known with complete certainty.

由于在深海底下取样困难，海洋地壳的组成就不完全确知。

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The oceanic crust thus serves as a magnetic tape recording of the history of the geomagnetic field that can be dated independently;

这样海洋壳就扮演了磁带的角色，记录下可以鉴定时间的地磁场的历史。

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Geochemical differences between the oceanic crust of the South China Sea Basin and the ocean crust

南海中央海盆洋壳与大洋壳在地球化学上的差异性

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The Nd Isotopic Evidence for Late Paleozoic Oceanic Crust in Southern Margin of Yangtze Block

扬子地块南缘晚古生代洋壳存在的Nd同位素证据

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The central South China Sea, the Japan Sea, and Philippine Sea appear as oceanic crust.

中国南海的中央、日本海中央、菲律宾海表现为海洋性地壳。

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Ocean drilling program and study of oceanic crust

大洋钻探与大洋地壳研究

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The crust can be divided into two types, oceanic and continental.

地壳可以被分成两类:海洋性的和大陆性的.

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Secondary order features of morden oceanic crust and the troodos, cyprus, ophiolitic oceanic crust

现代洋壳和塞浦路斯特罗多斯蛇绿岩洋壳的二级特征

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What we know is that at the time of this grand uplift, on the western margin of North America, ocean crust, and Oceanic Plate, was subducting beneath the North American Plate.

【参考译文】我们所知道的是，这段时间内在北美的西部边缘地带，海洋地壳，以及海洋板块，从北美板块下大面积地隆起。

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The earth ′ s crust of the South China Sea belongs to the transitional type between the oceanic crust and continental crust.

南海地壳属于大洋型地壳与大陆型地壳之间的过度类型。

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The sinking of oceanic crust at subduction zones carries water and carbon dioxide back into the mantle.

在俯冲区洋壳下沉，又把水和二氧化碳带回地下。

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Ancient oceanic crust and plate tectonics in southwestern section of western Junggar

西准噶尔西南地区古海洋地壳与板块构造

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The other opinion ( including the authors') regards that the South China does not have old metamorphic basement ( except some small old terranes), but is a geosynclinal fold region developed on the paleo-oceanic crust.

另一种意见认为除小的古老地体外，华南不存在古老基底，而是在洋壳基础上发展起来的地槽褶皱区。

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Therefore, the Changning-Menglian Rift should be continental rift with a part of the infant oceanic crust.

因此，昌宁-孟连裂谷应属部分地段具有洋壳化特征的大陆裂谷。

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The marginal sea crust is another kind of oceanic crust, which was formed after the basalt magma engulfed and devoured the tattered continental margin crust.

边缘海洋壳是玄武岩浆侵入并吞蚀破碎的大陆边缘地壳后形成的不同于大洋壳的新型洋壳。

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Both subducted continental and ancient Tethyan oceanic crust contributed to enriched mantle source region.

岩浆形成于大陆弧的构造背景，俯冲的陆壳和古特提斯洋壳对富集的源区均有贡献。

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Tectonic environment of formation of enriched upper mantle is oceanic crust displacement from the oceanic mid-ridge to the orogenic zone.

造山带富集型上地幔形成的构造环境是：洋壳从扩张脊向两侧运移并最终拼入造山带这段时间内。

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The formation of island arc is closely related to the subduction polarity of oceanic crust.

岛弧地体的形成与洋壳俯冲极性密切相关。

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Extensional deformation of the ophiolite and spreading structures of paleo-oceanic crust

蛇绿岩中伸展变形与古洋盆扩张构造研究综述

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We already well understand that the subduction of oceanic crust induces partial melting of the mantle wedge and produces island arc magmatic activities.

我们已经清楚，洋壳俯冲以上覆地幔楔部分熔融、形成岛弧岩浆岩为特征。

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Inversion shows Moho discontinuity depth increase from land to sea and the distribution of continental crust, extensional crust, transitional crust and oceanic crust.

反演得到的莫霍面总体趋势由陆向洋抬升，反映陆壳、拉伸陆壳、过渡壳、洋壳的分布。

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