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区域断裂
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  regional fault
     Regional Fault Systems of Qaidam Basin and Adjacent Orogenic Belts
     柴达木盆地及相邻造山带区域断裂系统
短句来源
     In this paper, the function and effect of recent tectonic stress field on the type and active manner of regional fault were investigated by analysing source mechanism results of nearly one hundred earthquakes in Sichuan region.
     通过对四川地区近百次地震震源机制结果的分析,研究了现代构造应力场对区域断裂类型及其活动方式的作用和影响。
短句来源
     THE EFFECT OF RECENT TECTONIC STRESS FIELD ON THE TYPE AND ACTIVE MANNER OF REGIONAL FAULT
     现代构造应力场对区域断裂类型及其活动方式的影响
短句来源
     Space-time Distribution Features,Migration Regularities and Genetic Types of Regional Fault System of Meso-Cenozoic in the Central Section of Epicontinent of the East China
     中国东部陆缘中区中—新生代区域断裂系统时空分布特征、迁移规律及成因类型
短句来源
     An afterward study shows that the anomaly is not the short-impending precursor of earthquake but a sign of regional fault activity,suggesting the enhancement of crustal stress.
     事后研究结果表明 :该异常为区域断裂活动的表现 ,标志该区地应力增强 ,并非地震短临前兆。
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  regional faults
     A STUDY ON REGIONAL FAULTS IN THE NORTHERN CHAOSHAN DEPRESSION,SOUTH CHINA SEA
     潮汕坳陷北部区域断裂研究
短句来源
     On the basis of the sedimentary features of the Upper Triassic Anyuan coal measuresin combination with the relationship between syndepositional structures associated withthe development of the Anyuan coal measures and regional faults, the authors suggest thatthe Anyuan coal measures were formed in the conditions of shear extension along twogroups of diagonal faults influenced by the compression of regional tectonic movements.
     本文通过赣中地区上三叠统安源煤系沉积特征研究以及安源煤系发育过程中所产生的一系列构造特征与区域断裂构造之间的关系分析,初步认为安源煤系的形成受区域构造运动的挤压影响,并沿两组斜交断裂带侧边产生的剪切拉张作用的结果。
短句来源
     After preliminary study, Dongpuzi gold deposit is confirmed as a subvolcanic epithmal deposit controlled by a combination of volcanic apparatus and regional faults.
     经过初步研究确定是一受火山机构与区域断裂联合控制的次火山岩型浅成低温热液金矿床。
短句来源
  “区域断裂”译为未确定词的双语例句
     A Study of the New Test Method for the Fracture Toughness of Metallic Materials Welded Joints
     金属材料焊接区域断裂韧性试验新方法的研究
短句来源
     Study on the activity of local faults under the site of gas station in Xinyang city
     信阳市燃气混气站场地及区域断裂活动性的综合研究
短句来源
     There are a series of reginal S-type faults in the taphrogenic system which controlled the tectonic deformation, sedimentary formation and volcanism.
     裂陷系内部展布了一系列S形区域断裂,它对沉积建造、火山活动和构造变形都有控制作用。
短句来源
     Based on the field geological investigation and the indoor synthetic research of its petrology,lithogeochemisty,the results show these rocks belong to calc-alkali rock and characterized by rich in incompatible K、Rb、Ba、and Th and depleted in Nb、Sr、P、T. They are evidently controlled by the regional structure and have a close relation with the regional structure evolution.
     野外地质调查和室内岩石学、岩石地球化学等综合研究成果显示这些岩石属钙碱性系列岩石,不相容元素K、Rb、Ba、Th强烈富集和Nb、Sr、P、Ti等元素明显亏损等特征,且明显受区域断裂构造控制,与区域构造演化有密切的内在联系。
短句来源
     This paper analyzes the regional structural characteristic, regional fracturing system and volcanic rock genesis, regional deep geological characteristic and heat flow diapir body with seismic, geological interpretation and geochemical analytical methods. Then it analyzes the genesis of CO\-2, reservoir formation pattern and process so as to propose a new point of view for further exploration.
     应用地震、地质解释与地球化学分析方法从区域构造特征、区域断裂系统与火山岩成因、区域深部地质特征、热流底辟体分析等 ,深入分析CO2 气的成因、成藏模式与过程 ,为深层CO2 气藏的进一步勘探提出了新的观点
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  regional fault
Distribution, migration and derivation of Mesozoic-Cenozoic regional fault systems in the central continental margin of eastern
      
The supply function of regional fault structures extending towards depth is emphasized and light is thrown on the localization of hydrothermal veins in fissures of the folded San Cayetano Formation.
      
The tectonic pattern of the deposits is related to deep reverse and large regional fault systems.
      
The Nuweibi granite is divided into a western and an eastern part by a regional fault.
      
The natural deformation of stibnite in relation to the kinematic history of a regional fault is resolved using microstructural analysis of massive stibnite along the Biards Fault in the Massif Central (France).
      
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  regional faults
In some cases, it is due to mixing with seawater (Mediterranean or Dead Sea) at the fresh-saline water interface, while in other cases deepseated brines emerge along regional faults.
      
Transtensive faulting followed in post-Burdigalian times along NW-SE regional faults and displaced the previously coupled sedimentary and metamorphic units.
      
Regional faults could be the pathways for upward flow.
      
Facies transitions occur between the Kurase and Kasigau Groups; and basic and ultrabasic rocks were emplaced along regional faults or thrust zones.
      
Gold is associated with fractures and breccia pipes around volcanic centers that are situated along deep regional faults.
      
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The authors make an all-around and systematic study of the funda mental characteristics of Mesozoic-Cenozoic crustal development in the Changbai-Xingan region on the basis of the results of the previous researches and practical -work according to diwa(geodepression) theory.It is concluded that the crustal movement has been gradually increasing its intensity since the Iate Trias and up to the highest point in the middle-upper Jurassic. Under such geological condition of crustal movement a lot of arched fracture-type...

The authors make an all-around and systematic study of the funda mental characteristics of Mesozoic-Cenozoic crustal development in the Changbai-Xingan region on the basis of the results of the previous researches and practical -work according to diwa(geodepression) theory.It is concluded that the crustal movement has been gradually increasing its intensity since the Iate Trias and up to the highest point in the middle-upper Jurassic. Under such geological condition of crustal movement a lot of arched fracture-type and block-type diwa basins were formed. Huge thick Cathysian formations (Molasse strata) with certain terrestrial flysch rhythm were deposited and lots of eruptive rock formations were intercalated in these basins.Great changes took place widely following the strike in these sedimentary formations. One of the chief forms of the crustal movement was the regional fractures which were very active and developed into deep fractures with fault-fold zones distributed widely. In the arched fracture-type and block-type basins there were often formed open bra chyanticlines. Along the deep fracture zones and their adjacent areas the intrusive basic and ultrabasic rocks are widespread. Meta-alkali granite was intruded intensely in fault-fold zones. Magmatism occurred in the sequence from acid to basic-ultrabasic(or alkaline) and abundant mineral deposits were formed.The authors hold that the features of the Mesozoic crustal deve lopment in this region are obviously different from those peculiar to the underlying geosynclinal and platform structral layers. Therefore, a diwa stage indepedent of the platform structural stage should be established, and the region at the present stage must be attributed to diwa regions other than platform ones.

本文根据陈国达教授创立的地洼理论,在前人研究成果及其工作实践的基础上,对长白—兴安地区中新生代地壳发展阶段的基本特征,进行了比较全面系统的研究。认为该区自晚三叠世以来,地壳运动在逐渐增加,直到晚侏罗至早白垩世达到最高潮。在这样地壳运动的地质条件,区内广泛形成有拱曲型和块断型的地洼盆地。在这些盆地中沉积了巨厚层的、具有一定陆相复理式韵律的华夏式建造,并夹杂着大量的火山喷发岩建造。这些沉积建造,普遍的沿走向发生较大的变化。地壳运动的主要形式之一,是区域断裂构造活动强烈,而且形成较为发育的深大断裂构造,断褶带分布广泛。在拱曲型和块断型的地洼盆地中,往往形成开阔的短轴褶皱构造。沿着深大断裂带及其附近,普遍有基性,超基性岩侵入,在断褶带内偏碱性花岗岩浆活动强烈。岩浆侵入活动的顺序,为从酸性岩浆向基性、超基性岩浆(或碱性岩浆)方向演化。并形成有丰富的矿产。 笔者认为该区中新生代地壳发展的特点,与下伏基底地槽和地台构造层所代表的发展阶段的特点具有明显区别。因此,应当将它从区内由地台构造层代表的发展阶段划分出来;它是,一个新的阶段——地洼发展阶段。其现阶段的区域大地构造性质,不应当归入地台区,而是属于地洼区。

Following a previous paper by the same author, the fracture process of the Tangshan Earthquake of July 28, 1976 is hereby further studied. A three dimensional mechanical model is now presented and more complete results in comparison with that by two dimensional model are obtained. It is found that there exists an alpha (α) angulad region of about 10?near each end of the major axis of the main fault. Within the angular region, the initial extension direction of points on the fault front is no longer coplanar...

Following a previous paper by the same author, the fracture process of the Tangshan Earthquake of July 28, 1976 is hereby further studied. A three dimensional mechanical model is now presented and more complete results in comparison with that by two dimensional model are obtained. It is found that there exists an alpha (α) angulad region of about 10?near each end of the major axis of the main fault. Within the angular region, the initial extension direction of points on the fault front is no longer coplanar with the plane of the main fault but in a plane making an angle (φ0,θ0) with it. However for other parts of the fault, the front extents in the fault plane. Near the end points of the major axis the angle φ0≈0 θ0≈80.5 °They agree with the didections obtained from two dimensional analysis. It is because that the extension within the angular region of about 10?at the end points of the major axis of the fault plane is not coplanar, a large number of aftershocks occurred along this direction. So the fault plane becomes contorted in shape.

本文提出一个三维力学模型,对1976年7月28日唐山地震的破裂过程做了进一步的理论分析。结果表明断裂面长轴两端存在一个10°左右的α角域,在这个角域内断裂面前缘的初始扩展方向是非共面扩展,即在与断裂面本身偏离一个角度(φ_0,θ_0)的面内扩展,而在其它区域断裂面的前缘是沿自身平面扩展的。在邻近长轴端部的点,扩展角φ_(?),0o=80.5°,这和二维分析得到的扩展分支的方向一致。由于主断裂面在长轴端部10°角域左右的非共面扩展,大量余震沿此方向发生,断裂面变成扭曲形状。

The authors used the information about five foreshocks (Ms>3.5) and eighteen aftershocks (Ms>3.0) of the Haicheng earthquake of February 1975 to determine the fracture directions of these shock faults and fracture speeds according to the method given in reference [2]. It was found that the distribution of the fracture directions in. the Haicheng shock area are basically consistent with the N-E and N-W strikes of local fracture tectonics,with the strikes of surface fissures created by the aftershocks and with...

The authors used the information about five foreshocks (Ms>3.5) and eighteen aftershocks (Ms>3.0) of the Haicheng earthquake of February 1975 to determine the fracture directions of these shock faults and fracture speeds according to the method given in reference [2]. It was found that the distribution of the fracture directions in. the Haicheng shock area are basically consistent with the N-E and N-W strikes of local fracture tectonics,with the strikes of surface fissures created by the aftershocks and with the configuration of the macroscopic isoseismic lines. Further,it was also found that not only the N-W fractures consistent with the fault strike of the major shock were strongly active,but also the N-E faults were evidently active before and after Ms 7.3 Haicheng mainshock,and that the faults striking N-E also played an important role in the seismogenic process. Therefore,the occurrence of the Haicheng earthquake seems to be the result of the activity of two nearly conjugate sets of faults.

本文利用海城地震的M_S>3.5的5个前震和M_S>3.0的18个余震资料,根据文献[2]提供的方法,确定了这些地震断层面破裂方向及破裂传播速度。在海城震区平面上展布结果表明,地震断层面破裂方向与北东向和北西向区域断裂构造走向、震后产生的地裂缝分布方位、地震烈度等震线形态相一致。进一步证明海城7.3级地震前后,不仅与大震断层走向一致的北西向断裂有强烈活动,而且北东向构造也有显著活动。说明后者对海城地震的孕育和发生也起了重要作用。因此,海城地震的发生是两组近于共轭构造活动的结果。

 
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