查询词典 subduction

These results indicate that both the second type leucosome in the biotite gneisses and the first type leucosome were produced synchronously in the Paleoproterozoic granulite-facies metamorphism, and that both the melt-derived and the metamorphic Paleoproterozoic zircons suffered significant lead-loss in the Triaasic, suggesting that both felsic granulite and biotite gneisses be responses to the Triassic deep subduction event.

这表明，第二类浅色体和第一类浅色体都是古元古代麻粒岩相变质作用同期深熔产物。古元古代熔体结晶和变质结晶锆石在三迭纪发生了严重的放射性成因铅丢失，可反映长英质麻粒岩和黑云母片麻岩都响应了三迭纪深俯冲事件。

In working area and its adjacent area, the forming tectonic setting of Indosinian intrusion was that orogenic belt pressed strongly, intracontinental subduction; that of early Yanshan movement epoch was the stress field transferred from compression to extension meanwhile the incrassate crust of orogenic zone turned to extensional collapse; and that of early Cretaceous volcanics was that the area structure extensional collapse further more during the post period of orogenic phase.

研究区及邻区印支期侵入岩形成于造山带强烈挤压陆内俯冲的构造环境；燕山早期侵入岩形成于由挤压转向拉伸、造山带的增厚陆壳开始发生伸展垮塌的构造环境；早白垩世火山岩形成于造山期后进一步发生伸展垮塌的区域构造环境。

Based on the seismicity of intracontinental subduction zone on both sides of Tianshan range, integrating the structural study in this paper with the existing Chinese and international geophysical research results, the author proposes a geodynamic model to explain the complicated Late Cenozoic intracontinental deformation of Central Asia.

通过对天山南北两侧陆内俯冲带地震活动特征的综合研究，结合前人的地球物理研究以及本文对库车再生前陆逆冲带构造研究的结果提出了一种解释晚新生代中亚地区陆内变形过程的地球动力学模型。

The seismicity of intracontinental subduction zones on both sides of Tianshan active orogen displays as a wide, disperse and complicated seismic zone with moderate focal depth.

天山南北两侧陆内俯冲带的地震活动表现为相对较宽阔、分散而且复杂的中等深度的地震活动带。

In the environment of pressure stress field that caused by the movement toward north of India, Australia and Pacific plates to the south and east, a strong intracontinental subduction overprinted on the deep delamination. of Dabie orogenic belt, and the subducting sediments of Yangtse plate were melted to form the "syncollision" peraluminous granite of this epoch.

在中国大陆南部和东部的印度、澳大利亚和太平洋板块的北向运动所造成的NS向挤压应力场环境中，大别造山带在深部拆沉作用的基础上，又叠加了一次强烈的陆内俯冲作用，俯冲的扬子板块沉积物质熔融形成该期"同碰撞"过铝质花岗岩。

Later, the first occurrence of a large-scale orogeny, the campaign it is now called the Yanshan movement, the essence of it is the beginning of the ancient Pacific plate subduction to Laurasia.

于是中国东部的陆地在古太平洋的挤压下隆起成为高山和高原，于是这段时期中国的河流基本上都是从东部发源，向西注入古忒提斯洋。

They arise mainly in the form of ophiolite melange, or enter into mantle with the subduction.

洋盆地层带特别是洋壳部分则很少被保存，多以蛇绿混杂岩的形式出现或被俯冲进入地幔。

So, we suggest people to employ these phases to detect metastable olivine in subduction zones.

因此，可以尝试用这组震相来探测俯冲带亚稳态橄榄石的存在状态。

In this paper we reviewed recent seismic studies of the moho, 410 and 660km discontinuities in the Japan subduction zone beneath northeast China.

总结了近年来西北太平洋俯冲前端东北地区地壳的精细结构和上地幔间断面410和660km的研究成果。

Mantle discontinuities ; Rectilinearity polarization filtering ; N th root slant stack ; Focal depth modification ; Subduction slab.

地幔间断面；线性-偏振滤波； N次根倾斜叠加；震源深度校正；俯冲带

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。