大陆岩石圈地幔的古老形成年龄与上覆地壳克拉通的古老稳定年龄相耦合。
The ancient formation age of continental lithospheric mantle is coupling with the age of overlying craton crust.
这是全球首例由橄榄岩-熔体相互反应造成的岩石圈地幔大规模的组成变化。
This is the first case in the world for large-scale compositional changes of the lithospheric mantle resulting from peridotite-melt interaction.
这一研究为了解华南内部中新生代以来陆下岩石圈地幔的属性以及构造演化提供了重要的信息。
This study will provide important information for well understanding and probing into the nature and tectonic evolution of sub-continental lithospheric mantle since the Mesozoic-Cenozoic.
源区地幔具有HIMU性质,由软流圈地幔、脱水洋壳与残留岩石圈地幔混合组成,表现出富集的特征;
The source mantle shows the HIMU nature. The asthenosphere mantle, the dehydrated ocean shell and remaining the ancient enrichmental mantle had mixed to form the source.
我们初步认为,该区深部岩石圈MORB -OIB地幔可能是软流圈置换古岩石圈地幔而增生形成的。
It is tentatively suggested that the lower lithosphere MORB-OIB mantle is recently accreted since the paleo-lithosphere mantle was replaced by the abnormal asthenosphere.
所形成的玄武岩总体具有较多的FOZO特征,但(除造山带内部)也不同程度地保留有岩石圈地幔的性质。
Except for those within the orogen, the basalts formed have more FOZO characteristics but preserve different degrees of lithospheric mantle features.
因此,研究其岩石成因和构造背景有助于制约该时期华北克拉通的构造演化过程以及岩石圈地幔的特征和演变规律。
Therefore, they provide important constrains on the tectonic evolution of the NCC and the lithospheric mantle under NCC in this period.
张宏福。橄榄岩-熔体的相互作用:岩石圈地幔组成转变的重要方式。地学前缘13 (2)(2006),65 - 75。
[Zhang H. F. Peridotite-melt interaction: an important mechanism for the compositional transformation of lithospheric mantle. Earth Science Frontiers 13 (2) (2006), 65-75].
而下地壳拆沉是由于下地壳加厚使下地壳密度增加引起的,还要求其下刚性的岩石圈地幔转变成塑性的软流圈地幔才有可能发生。
And CLCD is caused by the crust thickening to increase the crust "s density, and require the underlying lithosphere mantle to change from rigidity into plasticity."
软流圈地球中地幔的一个区域,在岩石圈之下,包括几百公里可变形的岩石。
A zone of the earth's mantle that lies beneath the lithosphere and consists of several hundred kilometers of deformable rock.
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-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.
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