构造变形
- 网络tectonic deformation;structural deformation
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本文主要利用GPS速度场的观测资料分析了高原现今构造变形特征,并结合地质,地球物理资料分析了高原现今构造变形的岩石圈动力机制。
This paper gets the morden deformation by using the data of GPS technology and analyzes the deformation dynamic mechanisms further more by combining the geology and the physics of geology .
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近年来,利用GPS观测技术研究全球及区域地壳运动和构造变形,探索地球动力学现象在全世界得到迅猛发展。
Recently , the employing of GPS observing technique has gained rapid development in the area of studying the global and regional crustal movement and tectonic deformation , and in the exploring of the Geodynamic phenomena .
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中国大陆现今构造变形GPS观测数据与速度场
GPS database and velocity field of contemporary tectonic deformation in continental China
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中生代以来的构造变形主要有2期:印支晚期,以NE向褶皱作用为主;
There are two main stages of structure deformations since Mesozoic .
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对韧性和脆性剪切作用的动力变质系统条件下构造变形岩石CO2气体释放量进行了模拟计算;
Geochemical modeling calculation of CO2 releasing has been done based on dynamic metamorphism caused by ductile-brittle shearing deformation .
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海南海西、印支期构造变形及其~(40)Ar-~(39)Ar年代学研究
Hercynian and Indosinian Structureal Overprinting and ~( 40 ) Ar - ~( 39 ) Ar Geochronology of Hainan Island-South China
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进入到EW向伸展机制下的构造变形时期,研究区地壳运动以抬升为主,但抬升运动与水平运动之间是有机地结合在一起的。
The crustal movement of the study area dominated by uplifting although the uplift was combined by horizontal movement .
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通过对制作K值的等值线图,我们就可以定性地评价该区煤构造变形的复杂程度,K值高的地区,煤层变形强烈,微裂隙发育,渗透性好;
Degree of complexity on structure deforming can be evaluated qualitatively through K value contour map . High K value area has great deformation , which cause rich micro fracture and good permeability ;
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中国东部东海地区超高压变质岩构造变形事件的~(40)Ar/~(39)Ar定年与超高压变质岩折返过程的重建
~ ( 40 ) Ar / ~ ( 39 ) Ar Dating of Deformation Events and Reconstruction of Exhumation of Ultrahigh-Pressure Metamorphic Rocks in Donghai , East China
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断层泥超微(SEM)和显微观测结果亦表明该断裂段曾发生黏滑、蠕滑交替的构造变形事件,且表现为先黏滑后蠕滑;
SEM and optical microscopic observations also show that stick slip and creep slip deformation had alternately occurred along this fault segment , and the stick slip deformation occurred earlier than the creep slip deformation .
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根据GPS观测资料确定边界条件,并考虑构造变形速度随深度变化的三种典型模式,通过模拟运算分别给出了这一区域的构造应力场的数值模拟结果。
According to Global Position System observations , considering three representative patterns of tectonic deformation velocity changing with depth , we loaded three different boundary conditions and got each numerical simulation result of the tectonic stress field in this region .
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它还受到多期构造变形,平卧褶皱,韧性剪切带和推覆构造均有广泛发育。绿岩中伴生的花岗质岩石,主要为TTG岩系的奥长花岗岩英云闪长岩花岗闪岩系列。
They underwent polyphase structural deformation , giving rise to well developed recumbent folds , ductile shear zones and nappe structures .
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本文以陆地卫星MSS的第五波段图象为基本图象,研究了湖南涟源煤田的构造变形,进而建立了该区12个遥感地层单位的影象特征和三个影象标志层。
The fifth band of MSS is an important image for analyzing structural deformation . Three image marker beds and twelve image features of stratigraphic units of remote sensing are established for interpretation of geological structrue in Lianyuan coal field .
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其中淮北和皖中块体仍可能分别向SWW和NEE方向运动,并在淮河构造变形带上产生左旋剪切作用,呈现一定的继承性活动特征;
Among them , the Huaibei block moves toward SWW direction , the middle-Anhui block moves toward NEE direction and in the Huaihe structure deformation belt , the faults movement may be left-lateral shear ; it presents inheritable characteristic .
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文中主要从岩浆活动与构造变形两个途径,通过(1)燕山带造山幕和结构要素组合以及造山过程的p-T-t轨迹;
To assess them , on the basis of both magmatism and tectonic deformation , we have considered the following : ( 1 ) structural elements , orogenic episodes , and the P-T-t path of orogenic processes in Yanshan belt ;
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对南天山蓝片岩的变质作用p-T-t轨迹、蓝片岩和相关岩石的构造变形特征以及区域地质特征的综合研究表明,南天山高压变质岩石经历了两个抬升阶段。
On the basis of the studies on the metamorphic p - T-t trajectory of the South Tianshan blueschists , structural deformation characters of blueschists and co herent rocks and regional geology in this paper , we suggest that the South Tianshan high-pressure metamorphic rocks had undergone two uplift stages .
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帕米尔&西昆仑北麓前陆褶皱冲断带的主要构造变形时间始于上新世早期(距今约4.6Ma),断层、褶皱的变形时代由山前向盆地逐步变新,变形强度由山脉向塔里木盆地逐步减弱。
The main tectonic deformation in the Pamir Western Kunlun foreland fold and thrust belt started in Early Pliocene ( about 4.6 Ma ago ), and migrated gradually from the orogen to the foreland basin , with the faulting and folding becoming younger and weakened in the basin .
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北黄海盆地构造变形及动力学演化过程
Tectonic Deformation Mechanism and Geodynamic Process of North Yellow Sea Basin
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华北板块东部中生代构造变形与盆地格局
Mesozoic tectonics and basin distribution in the eastern North China plate
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梭织物纰裂分析构造变形环境为低温、高压、高应变速率环境,微观机制主要为位错滑移。
Analysis of Fabric Slipping The micromechanism was mainly dislocation slipping .
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金山金矿田构造变形特征及其模拟实验
Tectonic deformation features of Jinshan gold orefield ── a simulating experiment
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楚雄盆地中&新生界构造变形特征
Characteristics of the Mesozoic - Cenozoic structural deformation of Chuxiong Basin
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简单剪切&中国活动构造变形主要机制
Simple shear : main deformation mechanism of active tectonics in China
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库鲁克塔格赛马山一带中元古界构造变形研究
Structural deformation of the Proterozoic along horse racing mountains , kuruktag
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后期的多期构造变形控制了构造圈闭的发育及构造样式的分布。
It 's structure deformation controlled the structural trap style .
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第四期构造变形是石英方解石脉的形成时期。
The fourth fracturing deformation corresponds to the quartz-calciate vein .
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祁连山东南段加里东造山期构造变形年代的精确限定及其意义
Precise Timing and Significance of Caledonian Structural Deformation Chronology in Southeast Qilian
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构造变形会造成黄土产生构造裂隙、节理,增大黄土的侵蚀速率,促进黄土的坍塌和滑坡等侵蚀灾害的发生;
The structure deformation resulted in loess collapse and landslide ;
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浙皖赣相邻区加里东期构造变形特征
Features of Caledonian tectonic deformation in the Zhejiang-Anhui-Jiangxi border region , China
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渤海盆地构造变形分析及其拗陷机制
Structural Deformation Analysis and the Depressing Mechanism of Bohai Basin