结合重力资料分析认为,江苏地磁异常亦与下扬子地幔流应力场活动相关。
Combining geomagnetic and gravity data to analyse anomaly, it is concluded that the geomagnetic anomaly of Jiangsu region is related to the stress field caused by mantle flow in lower Yangtze area.
南海北部陆缘下NW-SE方向流动的地幔流的存在使得伸展活动具有由北向南发育的机制。
The existence of NW-SE direction mantle flow under the continental crust in the north continental margin of South China Sea made the extension activities migrate from north to south.
印度—亚洲大陆的碰撞所形成的向东和东南的地幔流可能推动了东亚大陆东侧和南侧俯冲带的后退,并引发弧后扩张作用。
The eastward or southeastward mantle flow resulting from the collision of IndiaEurasia probably pushed rollback of slabs east and southeast to east Asian continent, further causing back arc spreading.
看来,板块上侧冷却的地幔物质的下沉流可能是造成这种深盆地的原因。
It seems possible that a sinking current of cooled mantle material on the upper side of the plate might be the cause of such deep basins.
火山岩透过地幔中部份熔融的软流层渗入到地壳,岩浆喷发,海山由此形成。
Seamounts form from magmatic eruptions, which occur when lava seeps up to the crust through the partially-melted sub-layer, known as the asthenosphere, in the mantle.
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.
成盆动力学系统是一个包括沉积盆地及其下的地幔、软流圈、岩石圈和莫霍面等不同地质单元的宏观变化和相互制约的过程。
Sedimentary basin forming dynamics system is the macroevolution and correlation of the sedimentary basin, the mantle, the asthenosphere, the lithosphere, and Moho discontinuity.
这也许正是根据现今应县—商河剖面上大地电磁的探测结果看不出来存在通常所说的反映“软流圈”电性特征的“上地幔高导层”的原因。
That is one of the possible reasons why there is no "high-conductive layer of the upper mantle" in the MT profile from Yingxian to Shanghe, which images the asthenosphere electrical characters.
造成地球版块移动的,是地球表面下的熔岩流,这一部分也被称作地幔。
The action is driven by convection currents beneath the plates, in the molten part of the earth, or the mantle.
板块缓慢连续地在软流圈上移动,该软流圈是指地幔中炽热柔软层。
The plates move slowly and continuously on the atmosphere, a layer of hot, soft rock in the mantle.
石油的热动力平衡计算也证明石油形成于地幔软流层部位。
The petroleum thermodynamic equilibrium calculation demonstrates that oils can be originated in mantle's asthenosphere.
地幔柱产生大面积软流圈上涌,沿深断裂形成岩浆房,导致大规模溢流玄武岩裂隙式喷发。
Mantle plumes induced asthenosphere upwelling and development of magma Chambers along deep-sited faults, and thus resulted in fracture eruption of flood basalts on large scale.
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.
软流圈上涌高度,莫霍面或地幔羽的位置是地幔对流的具体的表现。
The mantle convection is the primary driving force for the formation and evolution of sedimentary basins, and manifested in the position of the asthenosphere, Moho discontinuity and mantle plume.
软流圈隆升是板块相互作用的深部调整过程,同时也是地壳表层—地幔进行重力均衡调整的过程。
Asthenosphere uplift indicates the deep adjustment process during the interaction of plates, and also shows the adjusting process of gravitational equilibrium between upper layer of crust and mantle.
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.
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."
西伯利亚下降流,规模大,从地表下降到下地幔下部;
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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