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造陆作用

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This stage orogenics may result from the collision of North Dabie micro-plate and North China plate, and result in the form of Sujiahe cold eclogite.

这一期的造山作用可能缘于北大别微陆块与华北板块之间的碰撞对接,并形成了苏家河榴辉岩。

Mafic granulite and gabbro xenoliths are also found in the same kimberlitic pipes from the Eastern-North China platform, and suggest that multi-accretion events took place. The gabbro was formed lighly earlier with the host kimberlite. The underplating of the mafic magmas was related to the continental orogeny in the late middle-Ordovician Period.

金伯利岩中强烈变质的基性麻粒岩以及变质不彻底的粗粒辉长岩在同一岩管中共存,表明华北古老岩石圈地幔所发生的多次增生作用事件,特别是后者的变质不彻底变质作用暗示其形成时代与金伯利岩相近,这种基性岩浆的底侵作用与华北地台中奥陶世晚期的造陆抬升有关。

Tectonic evolution of Lanping basin, controlled by closure of Palaeo-Tethys and collisional orogen between India plate and Asia continent, has undergone three evolutional stages, i. e., intracontinental rift, sag basin and strike-slip basin.

兰坪盆地的构造演化受控於古特提斯的闭合及印度与亚洲大陆碰撞的造山作用,盆地经历了陆内裂谷、拗陷盆地和走滑盆地3个阶段的发育过程。

Hutuo group of greenschist facies of the mainly sedimentary rocks appears a tectonic style of the huge invert-fan synclinorium in Wutaishan, illustrates the material components of the above crust and inner continental orogenesis. It is a typical example of the tectonic—magma event in the world at 2100—1800Ma, would be a new research hot after Rodinia.

以沉积岩为主的绿片岩相变质的滹沱群,在五台山的构造样式为巨型反扇形复式向斜,代表上地壳的物质组成和陆内造山作用,是研究全球范围内的2100-1800Ma的构造岩浆事件的典型实例,有望成为继Rodinia超大陆研究之后新的研究热点。

The end of the sedimentation of the foreland basin indicates completion of the collisional orogeny.

前陆盆地的终结标志着碰撞造山作用的结束。

The oceanic basin was finally been closed to form a new unified continent in the end of Carboniferous, went through two periods of plate tectonic system and two times of main underthrust collision orogeny.

摘 要:甘肃、内蒙古北山地区从寒武纪初期在前震旦纪统一古陆壳的基础上发生裂解,到石炭纪末洋盆最终闭合形成新的统一大陆,先后经历了两期板块构造体制和两次主要的俯冲-碰撞造山作用。

The Lazhulong-Jinshajiang ophiolites occurred at archipelagic ocean that opened in Late Permian to Early Triassic and closed until Late Triassic that is a epeirogenic process characterized by "soft collision" that show lentiform and faulting ophiolites, folding marine strata, and accretionary wedge.

该蛇绿岩形成于晚二叠世至早三叠世多岛小洋盆环境,并在晚三叠世末期随古特提斯的闭合而构造侵位,这是一个以软碰撞为特征的造陆过程,伴生蛇绿岩体透镜体化和构造肢解、海相沉积岩褶皱变形和增生楔逆冲作用。

Santanghu Basin is located between Altai Mountain and Tianshan Belt,it is a composite and reconstructed basin which superposes on the Paleozoic erogenic belt of Paleozoic age.

盆地前二叠纪基底可能经历了洋盆俯冲、岛弧增生、陆块碰撞的造山作用过程,基底属于活化基底岛弧带。

We have concluded five key tectonics geologic characteristics of Chinese foreland basins based on the study of the sedimentary infill, tectonics evolution, tectonic dynamics, spatial location distribution and structural deformation geometry.(1) The foreland basin is the superimposition of the compression sedimentary stratigraphic sequence with the extension basin, and the foreland basin includes underlying rift basin and upper dustpan flexure deposited basin.(2) The foreland thrustfold structural deformation has occurred four times since the Protozoic, in the Late Caledonian, Late Hercynian, Indosinan and Late Himalayan, respectively.(3) The foreland basin developed based on the control of two factors that are the basin basement collaged by many small plates or terrains and the rejuvenation of ancient orogenic belt, so the foreland basins or foreland thrusts are located in front of ancient orogenic belt.(4) The foreland basins and the rejuvenation of ancient orogenic belt make up a giant basinmountains system resulting from the distant effect of IndiaEurasia collision, which is located on the outer circle of Tibet Plateau, so the thrust deformation intensity, basin deposition range and coupling between orogenic belt and basin changed from strong to weak as from interior to outer circle of Tibet Plateau.(5) There are many structural styles of the thrust and fold belt in different basins, such as brittle behavior faultrelated fold, ductile behavior basementinvolved structure, basementinvolved faultrelated fold, and salt structure.

在综述前人认识的基础上,笔者通过对中国前陆盆地的构造演化历程、沉积充填特征、构造成因及其空间分布规律、构造变形特征等的研究,提出了中国前陆盆地构造地质发育的5个主要特征:(1)两种不同性质的原型盆地发生正反转的叠合性,即挤压构造下作为&本体&的前陆层序与拉张构造下作为&基础&的裂谷、断陷盆地之间的叠置;(2)显生宙以来中国大陆先后发生了4期前陆冲断构造演化的多期性,它们分别是加里东晚期、海西晚期、印支期和喜马拉雅晚期;(3)基于小克拉通基底拼贴后在造山带前缘复活再生的继承性,即统一拼合大陆内部的构造变形导致古造山带的复活,在古造山带边缘发育新生代前陆盆地或前陆冲断带;(4)在空间分布上受环青藏高原巨型盆山体系控制发生陆内变形的系统性,在环青藏高原巨型盆山体系内构造变形强度、盆地沉降幅度、盆山耦合程度等从内环向外环依次降低,从古造山带向克拉通方向构造变形强度依次降低,构造变形样式逐渐简单、构造变形时间依次变新;(5)前陆冲断带的构造样式由于受边界力学条件和沉积地层介质作用而具有多变性,存在沉积盖层内脆性变形的断层相关褶皱、造山带前缘韧性变形的基底卷入构造、与走滑构造相伴生的基底卷入的断层相关褶皱、盆地内部塑性变形的盐构造。

In the Paleozoic era,the northern border area of North China Craton belonged to the tectonic domain of south peri-Paleozoic ocean and is characterized by subduction-collision orogenesis,leading to the formation of EW- to ENE-trending folds,thrust faults,nappes and ductile shear zones etc.

古生代,华北地块北缘处于古亚洲洋构造域,造山作用属陆缘俯冲-碰撞型,形成以EW向至NEE向为主的褶皱、逆冲推覆构造及韧性剪切带等构造类型。

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The labia have now been sutured together almost completely.The drains and the Foley catheter come out at the top.

此刻阴唇已经几乎完全的缝在一起了,排除多余淤血体液的管子和Foley导管从顶端冒出来。

To get the business done, I suggest we split the difference in price.

为了做成这笔生意,我建议我们在价格上大家各让一半。

After an hour and no pup, look for continued contractions and arching of the back with no pup as a sign of trouble.

一个小时后,并没有任何的PUP ,寻找继续收缩和拱的背面没有任何的PUP作为一个注册的麻烦。