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逆冲断层系统
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  “逆冲断层系统”译为未确定词的双语例句
     On The Xuzhou-Suzhou Arcuate Duplex-Imbricate Fan Thrust System
     徐州—宿州弧形双冲—叠瓦扇逆冲断层系统
短句来源
     Top-to-the-southeast movement dominates the thrusting of this tectonic system, which differ profoundly from those thrust faults in the middle and western parts of the intraplate Yanshan orogenic belt in propagation vergence.
     本区逆冲断层系统,总体逆冲方向指向南东,与燕山板内造山带中段、西段以向北、北西逆冲为主的逆冲推覆构造明显不同。
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  相似匹配句对
     SYSTEM
     系统
短句来源
     system).
     系统)。
短句来源
     On The Xuzhou-Suzhou Arcuate Duplex-Imbricate Fan Thrust System
     徐州—宿州弧形双冲—叠瓦扇逆冲断层系统
短句来源
     Research on Electrical Impedance Tomography System
     阻抗断层成象系统的研究
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     Development of Fault Recognizing Expert System
     断层识别专家系统FRES
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  thrust fault system
This model is first applied to a regional cross section through the Wheeler Ridge-Pleito thrust fault system, California.
      


The basement of the Tertiary continental rift basin in Bohai Bay is North China platform, in the south of which lies Dongpu depression. We discovered from seismic sections a big old overthrust fault (Xinluo overthrust fault) inside the basement at the upthrow side of the boundary fault(Lanliao fault) of Dongpu depression. Well Luo 1, designed according to this geological concept, has shown preliminary evidence. On seismic sections, the two big faults (Xinluo and Lanliao faults) intersect to form a large roof-like...

The basement of the Tertiary continental rift basin in Bohai Bay is North China platform, in the south of which lies Dongpu depression. We discovered from seismic sections a big old overthrust fault (Xinluo overthrust fault) inside the basement at the upthrow side of the boundary fault(Lanliao fault) of Dongpu depression. Well Luo 1, designed according to this geological concept, has shown preliminary evidence. On seismic sections, the two big faults (Xinluo and Lanliao faults) intersect to form a large roof-like overthrust fault block zone. This fault block zone adjacent to oil source depression should have unique and ideal condition for petroleum occurrence, and may become a new area for oil-gas exploration. The discovery of this overthrust fault in the platform area has both practical and academic significance. This paper describes the seismic" reflection configuration of the overthrust fault and its fault block zone, analyses the trapping condition and oil-gas accumulation mechanism of this fault block zone, and points out some problems in seismic interpretation and geological research of the overthrust fault.

东濮凹陷位于渤海湾第三系大陆裂谷盆地的南端。通过地震反射时间剖面,在东濮凹陷边界的兰聊断层上升盘内幕之中,解释了一条规模较大的古老的逆冲断层系统——新罗逆断层。东倾的新罗逆断层与西倾的兰聊断层,在剖面上呈“人”字形交切,在空间上构成一个规模较大的屋脊状逆断块带。该断块带紧邻生油凹陷,具有独特而理想的石油地质条件,可能成为一个油气勘探新领域。罗1井钻遇一条逆断层得已验证。在传统的地台区发现这种逆断层不仅具有实际勘探意义,而且有一定理论和学术价值。本文阐述了逆断层及其所形成的逆断块带的地震反射模式,分析预测了它的圈闭条件和成油机制,并指出该逆断层地震资料解释和地质研究应注意的一些问题。

Thrust faults, among the most common and widespread geologic structures, have been the subject of increased scientific attention during the past quarter of a century for a number of reasons.This paper proposes that a number of widely held perceptions and/or beliefs about thrust faults and their geometries are not as valid as the literature might suggest. One of these common beliefs is that "thin-skinned" thrust plates are stratigraphically controlled thrusts with little or no involovement in thrusting of crystalline...

Thrust faults, among the most common and widespread geologic structures, have been the subject of increased scientific attention during the past quarter of a century for a number of reasons.This paper proposes that a number of widely held perceptions and/or beliefs about thrust faults and their geometries are not as valid as the literature might suggest. One of these common beliefs is that "thin-skinned" thrust plates are stratigraphically controlled thrusts with little or no involovement in thrusting of crystalline basement. This paper argues that the term "thin-skinned" should apply only to thrust plate geometry and should carry no stratigraphic implication. Examples of thi-skinned thrustscarrying only crystalline rocks are cited in support of this argument. Thurst fault duplexes are populartopics in the structural literature these days. The most interpretation of their origin, favored by Boyer and Elliot in their important 1982 paper "Thrust Systems", is that duplexes form by progres-sive footwall failure at the base of a thrust ramp and forward propagation of the active thrust into the former footwall. Boyer and Elliot's favored geometric model of this process leads to a duplex with a planar roof fault, a fault that is only active forward from the top of the active ramp. Conditions favor-ing this model for planar roof duplex formation are, in the author's opinion, geologically unlikely to occur. The best explanation for planar roof duplexes is that out-of-sequence(OOS) thrust faults, i. e.faults developing hindward of the main thrust, have truncated from above pre-existing thrust struc-tures, most notably thrust imbricates off of the master floor thrust. Out-of-sequence thrusts, once thought to be rare, are increasingly being recognized in thrust systems around the world (e. g. N. A.Cordillera, Spanish Pyrenees). Their occurrence is generally related to critical wedge theories regarding thrust sequence geometries , the prevailing idea being that if the critical taper of the wedge is too nar-row, that OOS thrusts provide the easiest mechanism to if increase wedge taper angle. Other,more local factors may also facilitate OOS thrust development. Finally, the topic of balanced cross-sec-tions is discussed. Contrary to popular belief, it is the writer's opinion that balanced cross-sections are either difficult or impossible to construct across many examples of thrust faults and thrust systems.Such construction is most successful where thrusts involve previously undeformed, regionally widespread strata, and where subsurface information(seismic, well cotrol) can be used to constrainfault geometries at depth. Although an attempt to draw balanced cross-sections should always be made,in many other geologic settings-e. g., OOS faulting, thrusting of crystalline basement, thrusting of terrestrial units containing rapid facies changes, and thrust belt geometries complicated by such events as pluton intrusion, subsequent folding and cleavage formation, extensive erosion and/or post-thrusting sedimentation, etc. -cross-section balancing is apt to be frustratingly unsuccessful. In conclusion, field geologists are encouraged to independently assess the geometry of thrusts or thrust systems they are studying, and not be overly accepting of geometric concepts or geometric evolution favored in the litera-ture.

在过去的25年里,由于许多原因,作为最常见、分布也最广泛的地质构造形迹之一,逆冲断层成为倍受关注的科学研究主题。文中指出,关于逆冲断层及其几何学特征的许多普遍认识(或观念),并不像以往文献中所阐述的那样简单。其中之一的"薄皮"冲断构造是受地层控制的,极少有或者没有结晶基底物的卷入。文中主张,"薄皮"一词只有逆冲板片的几何学形态含义,而不应包含地层意义,并列举了一些完全由结晶岩石所构成的薄皮逆冲构造的例子来说明这一主张。近来,逆冲双重构造成为构造文献中的热点。关于逆冲双重构造的成因,引用得最多的是1982年Boyer和Elliot在其重要论文"逆冲断层系统"中所作的解释。他们认为,双重道冲构造是通过在冲断坡底部发生下盘破裂。新生断裂不断向前扩展并进入先存断层下盘的一系列变形过程中逐渐形成的。根据Boyer和Elliot提出的这种变形过程,将形成一个具有平面状顶板断层的边冲双重构造,这个顶板断层只在活动断坡的顶部是主动向前扩展的。依笔者之见,在实际的构造变形当中,是不可能具备形成平顶过冲双重构造的地质条件的。而能对平顶过冲双重构造形成作出最好解释的是反序(out-of-sequence,OOS)边冲断...

在过去的25年里,由于许多原因,作为最常见、分布也最广泛的地质构造形迹之一,逆冲断层成为倍受关注的科学研究主题。文中指出,关于逆冲断层及其几何学特征的许多普遍认识(或观念),并不像以往文献中所阐述的那样简单。其中之一的"薄皮"冲断构造是受地层控制的,极少有或者没有结晶基底物的卷入。文中主张,"薄皮"一词只有逆冲板片的几何学形态含义,而不应包含地层意义,并列举了一些完全由结晶岩石所构成的薄皮逆冲构造的例子来说明这一主张。近来,逆冲双重构造成为构造文献中的热点。关于逆冲双重构造的成因,引用得最多的是1982年Boyer和Elliot在其重要论文"逆冲断层系统"中所作的解释。他们认为,双重道冲构造是通过在冲断坡底部发生下盘破裂。新生断裂不断向前扩展并进入先存断层下盘的一系列变形过程中逐渐形成的。根据Boyer和Elliot提出的这种变形过程,将形成一个具有平面状顶板断层的边冲双重构造,这个顶板断层只在活动断坡的顶部是主动向前扩展的。依笔者之见,在实际的构造变形当中,是不可能具备形成平顶过冲双重构造的地质条件的。而能对平顶过冲双重构造形成作出最好解释的是反序(out-of-sequence,OOS)边冲断层的发育,即断层向着主冲断层的后方发展,在先存道冲构造的上部?

The tectonic framework, kinematics and the development of the thrust fault system of the eastern segment of the Mesozoic intraplate Yanshan orogenic belt in western Liaoning province are described in the paper. The tectonic settings and the significance of this fault system have been evaluated following the aforementioned de-scription. The thrust fault system consists of six master thrust faults. Both the northwestern and the southeast-ern faults of them extend east-north-east. The thrust faults between them...

The tectonic framework, kinematics and the development of the thrust fault system of the eastern segment of the Mesozoic intraplate Yanshan orogenic belt in western Liaoning province are described in the paper. The tectonic settings and the significance of this fault system have been evaluated following the aforementioned de-scription. The thrust fault system consists of six master thrust faults. Both the northwestern and the southeast-ern faults of them extend east-north-east. The thrust faults between them take, however, the orientation of north-east-north. All these thrust faults tend to be connected together in the northeast and the southwest part respectively. In the northeastern part they tend to get together along the Lingyuan-Dongguanyingzi thrust fault. In the southwestern area they seem to be getting together along Yaolugou-Jinxi fault zone and its coun-terpart , Miyun-Xifengkou fault zone to the west. Structurally all those thrust faults form a tectonic frame-work which looks like a large-scale duplex. Both the geological interrelations and the dating results define a de-velopment sequence of the thrust fault system in this area. The thrusting commenced before Middle Jurassic and reached its deformation peak at the end of Jurassic. The tectonic framework of thrust faults in the area formed as a result of the extensive contraction during this time interval. Top-to-the-southeast movement dominates the thrusting of this tectonic system, which differ profoundly from those thrust faults in the middle and western parts of the intraplate Yanshan orogenic belt in propagation vergence. The spatial and temporal relations be-tween these thrust faults and the east-west trending dextral fault systems in the middle part suggests a unified tectonic model. This model implies that the top-to-northwest thrusting in middle and western part and the top-to-southeast thrusting in the eastern segment of Yanshan intraplate orogenic belt might formed as a result of a right lateral transform deformation along the latitude fault zones.

本文厘定并阐述了辽西地区燕山中生代板内造山带东段发育的逆冲推覆构造的宏观构造格局、运动学特征、形成时代和形成过程;探讨了形成该构造体系的区域构造背景及其大地构造意义。该区的逆冲构造系统由6条主干逆冲断层组成。分布于西北和东南缘的两条最外缘道冲断层走向为ENE,居于其间的逆冲断层呈NNE—NE,而且,向东北和南西方向这些断层具有汇合的趋势。在东北端收敛于凌源—东官营子断裂(“内蒙地轴”南缘断裂)上,而在西南端则汇拢于大屯—锦州断裂及其西延的密云—喜峰口断裂。总体上构成一个类似于双重构造(duplex)的巨型逆冲系统。该区边冲作用始于中侏罗世之前,于侏罗纪末达到高峰并基本形成了本区的推覆构造格局。本区逆冲断层系统,总体逆冲方向指向南东,与燕山板内造山带中段、西段以向北、北西逆冲为主的逆冲推覆构造明显不同。结合燕山中段发现的近东西向右行走滑断裂系统及其与本区逆冲推覆构造体系的时-空关系分析,指出本区逆冲推覆构造的形成,是沿燕山东西向构造带右行走滑作用因构造方向的改变发生构造转换的结果。

 
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