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韧性流动
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  ductile flow
     The deformation in three tectonic evolution periods of Gezhen shear zone, including the peretrative ductile flow in Galedonian period,the ductile shear deformation in Hercynian -ln-dosinian period and the brittle deformation in Yanshanian period is discussed in present paper.
     本文讨论了海南戈枕剪切带的加里东期透入性韧性流动、海西一印支期韧性剪切变形和燕山期脆性变形三个构造演化阶段;
短句来源
     The shape,size and three dimensional array of the eclogite bodies which do not support the idea that the UHP metamophic rocks in the Dabie Sulu collisional orogenic belt are explained as a tectonic mélange. In fact,this reflects an overall ductile flow strain picture under UHP eclogite and amphibolite facies conditions,respectively.
     榴辉岩体的形态、大小及空间分布规律特征 ,不支持超高压变质带岩石属构造混杂岩的推论 ,而是反映了超高压及角闪岩相条件下不均匀韧性流动的应变图像。
短句来源
     ductile flow and matter spreading and transformation in middle defromation period;
     中期以韧性流动、物质扩散迁移为主;
短句来源
     The lithosphere beneath this area is associated with high temperature,low strength and intensive rheological stratification,and the lower crust is characterized by ductile flow deformation.
     岩石圈具有温度高、强度低和强烈流变分层等特征,且下地壳表现为韧性流动变形。
短句来源
     It is concluded that the uplift of Qinghai-Tibet plateau is related to the softening and ductile flow of the lower crust rocks beneath the basins around the area.
     下地壳层流是下地壳岩石热软化和韧性流动的结果,青藏高原的隆升是层流作用的表现,目前层流作用的动力来源于恒河盆地下地壳,层流方向由恒河盆地流入青藏高原。
短句来源
  “韧性流动”译为未确定词的双语例句
     The experimental results show that the material migrations can be summarizd as follows: 1) ductile or plastic flow, 2) diffuse and chemical reactions, 3) being carried by water.
     实验结果表明:伴随构造变形,物质组分迁移 主要可归纳为三种类型:1)塑性或韧性流动; 2)扩散与化学反应;
短句来源
     Different structural belts and the one experiencing different structural evolution own obvious discrepancies in electricity fabric,velocity fabric and heat flow value.
     下地壳高导层、低速层和热流密度值异常区与青藏高原及周边地区各构造单元有一定的匹配性,异常区的形成与青藏高原和周边盆地耦合过程中下地壳岩石的热软化以及韧性流动有关。
短句来源
  相似匹配句对
     Ductile cataclastic flow of sandstone leads to the collapse of pores.
     砂岩的韧性碎屑流动导致了孔隙的破裂。
短句来源
     Development of High Flow and High-toughened Flame Retardant ABS
     高流动、高韧性阻燃ABS的研制
短句来源
     The Space of Flows
     流动空间
短句来源
     Gift Exchange
     礼物的流动
短句来源
     FRACTURES TOUGHNESS IN HIGH IMPACT POLYSTYRENE
     高抗冲聚苯乙烯的断裂韧性
短句来源
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  ductile flow
Basal drag forces applied by the ductile flow of the lower crust to the base of upper crust affect the regional stress field in the Tibetan Plateau remarkably, producing the clockwise rotation around the eastern Himalaya syntax.
      
A systematic record of structural and metamorphic data gives evidence of a main top-to-ENE to ESE ductile flow of Cretaceous age (120-90?Ma) associated with a crustal stretching and unroofing.
      
(2) Ductile flow at midcrustal depth across the graben accounts for the pronounced halfgraben morphology.
      
Thereby, the shape of the border faults, their frictional coefficients, and sedimentary loads have profound effects on the rate of ductile flow across the graben.
      
Ductile flow was dominated by non-coaxial deformation, indicated by quartz c-axis fabrics, but was nearly coaxial in the dome core.
      
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Several high-temperature and high-pressure experiments of rock deformation have been done to understand the material migrations with tectonic deformation and approach the mechanisms of tectono-petrogenesis and tectono-metallogenesis.The experimental results show that the material migrations can be summarizd as follows: 1) ductile or plastic flow, 2) diffuse and chemical reactions, 3) being carried by water. It has been observed that pyrite migrates and accumulates along ductile shear zones, ductile compression...

Several high-temperature and high-pressure experiments of rock deformation have been done to understand the material migrations with tectonic deformation and approach the mechanisms of tectono-petrogenesis and tectono-metallogenesis.The experimental results show that the material migrations can be summarizd as follows: 1) ductile or plastic flow, 2) diffuse and chemical reactions, 3) being carried by water. It has been observed that pyrite migrates and accumulates along ductile shear zones, ductile compression zones and ductile contorted zones through ductile flow, and plagioclase and biotite change their mineral components and mineral phases. During experimental deformation, the ore-forming elements such as Cu, Pb, Zn were easy to reactivate and migrate from the high compression stress region to the low, rock-forming elements such as K, Na, Ca, Mg were easy to reacti vate and migrate too but no obvions regulation; elements such as Fe, Co, Ni were not easy to reactivate and migrate to granite specimen but easy to ore specimen.The experimental results above mentioned are very important to approach metallogenetic regularity.

采用高温高压岩石蠕变实验装置,对实际的岩石进行高温高压变形实验,通过观察和测试样品组构和成份的变化,考察一定温压条件下,岩石的构造变形所带来的物质组分的迁移和聚集,探讨构造动力控制成岩成矿作用的机理。实验结果表明:伴随构造变形,物质组分迁移 主要可归纳为三种类型:1)塑性或韧性流动;2)扩散与化学反应;3)热液携带。在实验后的样品中观察到:黄铣矿通过韧性流动沿韧性剪切带,韧性挤压带和韧性扭曲构造带的迁移和富集;斜长石和黑云母发生矿物成份和矿物相的转化。在实验变形过程中,Cu,Pb,Zn等成矿元素易于活化迁移,从高压区迁向低压区,K,Na,Ca,Mg等成岩元素也易活化迁移,但规律不明显,Fe,Co,Ni等元素对花岗岩样品不易活化迁移而对矿石样品则易迁移。上述实验结果对探讨成矿规律具有非常重要意义。

The evolution of extensional tectonics occurs in three main phases:(1) the con-tinental rifting phase,(2)the onset of drifting,and (3)the main drifting.Extensionalstructures formed at different tectonic levels:(1)the upper-crust brittle blocks above thedecollement faults are bounded by listric faults,ramp-flat faults and domino fault sys-tems,(2)the middle-crust is extended by discontinuous ductile shear zones separatingmetamorphic lenses,and (3)the lower-crust is extended by more pervasive ductile flatten-ing...

The evolution of extensional tectonics occurs in three main phases:(1) the con-tinental rifting phase,(2)the onset of drifting,and (3)the main drifting.Extensionalstructures formed at different tectonic levels:(1)the upper-crust brittle blocks above thedecollement faults are bounded by listric faults,ramp-flat faults and domino fault sys-tems,(2)the middle-crust is extended by discontinuous ductile shear zones separatingmetamorphic lenses,and (3)the lower-crust is extended by more pervasive ductile flatten-ing and by dykes. Extensional fault systems which have u ndergone inversion commonlyshow thrust faults,shortcut-faults, fault-bend folds,fault-propagation folds,pop-upstructures in the region of the crestal collapse graben,and harpoon structures in the regionof the half graben.

伸展构造的演化主要发生在三个阶段:大陆裂谷阶段、大陆初始漂移和主要漂移阶段。伸展构造发育在不同构造层次:(1)在上地壳中,伸展构造呈现为位于拆离带之上脆性岩块的伸展,其周边为铲式断层、坡坪式断层或多米诺式断层所限;(2)在中地壳中,伸展构造呈现为变质透镜体,被不连续的韧性剪切带所分隔;(3)在下地壳中,伸展构造呈现为扩展变平的韧性流动和岩浆侵位。反转的伸展断层系常表现为冲断层、断弯背斜、生长断展褶皱、顶部塌陷地堑区的突隆构造和半地堑区的鱼叉构造等。

The deformation in three tectonic evolution periods of Gezhen shear zone, including the peretrative ductile flow in Galedonian period,the ductile shear deformation in Hercynian -ln-dosinian period and the brittle deformation in Yanshanian period is discussed in present paper. The constitution and deformation feather of the shear zone in different period are analysed and the geometry, kinematics, dynamics and strain of the ductile shear zone are studied indetail.

本文讨论了海南戈枕剪切带的加里东期透入性韧性流动、海西一印支期韧性剪切变形和燕山期脆性变形三个构造演化阶段;分析了各阶段的物质组成和构造变形特征;重点研究了韧性剪切带的几何学、运动学、动力学和应变特点.

 
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