在岩石圈演化历史上,上述不同性质力源的相对强弱和作用方式,决定了岩石圈运动的性质及其驱动机制。
In evolution history of he lithosphere, the relative strength and acting way of the above forces determine the characteristics and driving mechanism of the lithosphere movement.
溢流玄武岩的同位素体系特征表明它们的源区涉及再循环地幔的壳幔混合、岩石圈减压熔融、上—下地幔过渡带和似原始-略亏损的下地幔。
Isotopic systematics of flood basalts indicate that their sources are involved in crust-mantle mixing in a recycled mantle, decompression melting of lithosphere.
幔源岩浆的底侵及软流圈对地壳的直接加热作用,使上覆地壳发生大规模的岩浆和成矿作用,并导致中国东部中生代时期伸展构造的广泛发育。
The heating from the asthenosphere on the crust subsequently resulted in the intensive magmatism, mineralization, and widespread development of extensional structures in eastern China.
在某些地质时期还与幔源岩浆的底垫对地壳或岩石圈的改造有关。
Some times in the process there was reworking of diapir of mantle-sourced magma on the crust or lithosphere.
结合区域岩石圈结构,上述特征表明花岗岩源岩应为中地壳结晶片岩、片麻岩。
According to all above characteristics and regional lithospheric structure, the granites should come from schist and gneiss of middle crust.
放置在涡流中的涡流笼圈计数出涡流源的转数。
A vortex cage located in the vortex counts the revolutions of the vortex pool.
镁铁质火成岩作为分布最为广泛的典型幔源岩石,已成为探索地幔化学性状及示踪岩石圈深部过程的主要研究对象。
Mafic igneous rock, a widely distributed and typical mantle-derived rock, has become a major research source for revealing possible mechanisms for the chemical evolution of the mantle.
岩石圈-软流圈的作用带也是重要的岩浆源区,源区是以软流圈地幔为主,基本不含地壳组分。
The lithosphere-asthenosphere interaction zone is also a major component of the magma source, which consists predominantly of asthenospheric mantle and in the main contains no crustal component.
岩石圈伸展及幔源玄武质岩浆底侵作用可能是区域上大规模岩浆活动与成矿作用的深部地球动力学因素。
Magma underplating and subsequent lithospheric extension could have been the geodynamic setting responsible for the voluminous magmatism and large-scale mineralization.
该文献确定了洋陆边缘的4个主要研究领域,即大陆岩石圈裂解、俯冲带物质转换、地震带实验、源汇系统。
Rupturing Continental Lithosphere, Subduction Factory, the Seismogenic Zone Experiment, and Source-to-Sink, for the field of ocean-continent margin researches.
该文献确定了洋陆边缘的4个主要研究领域,即大陆岩石圈裂解、俯冲带物质转换、地震带实验、源汇系统。
Rupturing Continental Lithosphere, Subduction Factory, the Seismogenic Zone Experiment, and Source-to-Sink, for the field of ocean-continent margin researches.
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