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构造旋回
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  tectonic cycle
    Latitic Series of the Yanshanian Tectonic Cycle in Beijing Region
    北京燕山构造旋回安粗岩系
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    Sedimentary formation and tectonic cycle of the Jurassic Northeastern Jiangxi continental basin
    赣东北侏罗纪陆盆的沉积建造及构造旋回
短句来源
    Zhang Kai.PLATE TECTONIC CYCLE AND THEORY ON DEEP CRUST-MANTLE PETROLEUM ORIGIN.
    论板块构造旋回与油气壳-幔深部成因说
短句来源
    Plate Tectonic Cycle v. Petroleum Province Type Division and Oil-Gas Resource Distribution
    板块构造旋回与全球含油气区类型划分、油气资源展布
短句来源
    Tectonic Cyclic Sequences in the Mesoproterozoic and Neoproterozoic Aulacogen of Yanshan A Concept of Aulacogen Tectonic Cycle and Its Hierarchy
    燕山中、新元古代裂陷槽构造旋回层序研究──兼论裂陷槽构造旋回概念及级序的划分
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  tectonic cycles
    EPSODIC TECTONIC CYCLES AND INTERNAL ARCHITECTURES OF SEQUENCES IN CONTINENTAL BASIN
    陆相盆地幕式构造旋回与层序构成
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    The research we have done is as follows: (l)Since Eogene there have been three tectonic cycles, among them the third cycle is still confined to it's early fault sag stage;
    研究结果表明:崖南断陷自早第三纪以来,已经历了三次构造旋回,其中第三次仍处于早期断陷阶段;
短句来源
    tectonic cycles and tectonic layers as well as tectonic units and general regularities of tectonic evolution.
    构造旋回与构造层以及构造单元的划分等。
短句来源
    The Pan—China Plate underwent evolution of superimpositions of three plate tectonic cycles.
    中国大陆板块的演化经历了三次板块构造旋回的叠加。
短句来源
    he three tectonic cycles of spreading continental margin evolutionary period are closely related to the gas and oil genesis and concentration in the Zhujiang River Mouth Basin, based on the point of view of"continental margin spreading".
    根据“陆缘扩张”观点,扩张型陆缘演化阶段的三个构造旋回与珠江口盆地的油气生成和聚集密切相关。
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  “构造旋回”译为未确定词的双语例句
    SWARMS OF EVENTS AND CLIMATIC-TECTONIC CYCLES WITH 0.4Ma QUASI-PERIOD
    具有0.4Ma准周期的事件群发性与气候-构造旋回刍论──以黄土区为对比区
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    Hydrocarbon generating history of the source rocks is built applying the technology of thermal simulation and biogas simulation by burial history curve and structural cyclic analysis.
    通过编制埋藏史曲线和构造旋回分析,采用烃源岩热模拟、生物气模拟技术,建立烃源岩的生烃史;
短句来源
    According to wave theory the east rift-subsidence zone is analyzed with 60Ma and 31Ma cyclic wave.
    提取 60Ma和 3 1Ma的周期波对东部断陷区进行沉积盆地波动理论分析 ,结果表明 ,60Ma周期波与盆地总体构造旋回一致 ;
短句来源
    DIVISION OF TECTONIC STAGES OF ALPINE CYCLE IN JILIN PROVINCE
    吉林省阿尔卑斯构造旋回运动期序的划分
短句来源
    Because of the multi-structural cycles, there are obvious differences betweentypical foreland basin and Midwest China foreland basin in tectonic characteristic,and the latter belongs to intracontinental reconstructed foreland basin.
    中西部前陆盆地经过多期构造旋回,构造特征与典型前陆盆地有很大不同,属于陆内再生前陆盆地。
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  tectonic cycle
An upper intercept age of 2,795 + 38 Ma, extends the known length of the otherwise tightly established, late Archaean tectonic cycle at Agnew from 250 Ma to 320 Ma.
      
These observations can be interpreted according to a volcanic-tectonic cycle in which volcanic eruptions and hydrothermal circulation are followed by a tectonic phase which includes fissuring and vertical movements.
      
Approximately the upper 60 km of the lithosphere is processed by the plate tectonic cycle.
      
However, in all cases substantial fraction of the mantle reservoir have been processed by the plate tectonic cycle.
      
The plate tectonic cycle is an inherent component of mantle convection.
      
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  tectonic cycles
5 sequences represent 5 tectonic cycles and all the 6 sequence-bounds reflect tectonic activities.
      
We propose a model of volcano-tectonic cycles in which smooth volcanoes and lava flows are built during phases of high magmatic flux.
      
Glacial maximums predated the main final phases of tectonic cycles.
      
Tectonic cycles and the history of the Earth's biogeochemical and paleoceanographic record.
      
The glacial maximums were synchronous with early phases of tectonic cycles and peaks of subduction-related explosive volcanism.
      


There are three major fault blocks in China, i. e. the North China block province (consisting of six subblocks), the Yangtze block and the Tarim block. Their origin, development and consolidation are controlled by the pre-Sinian orogenies. One fault block may have been resulted from a single orogenic cycle or in most cases a few orogenic cycles because of the pre-Sinian orogeny was characterized by multiple cycles. Since the idea that an orogeny is occurred simultaneously all over the world was generally denied...

There are three major fault blocks in China, i. e. the North China block province (consisting of six subblocks), the Yangtze block and the Tarim block. Their origin, development and consolidation are controlled by the pre-Sinian orogenies. One fault block may have been resulted from a single orogenic cycle or in most cases a few orogenic cycles because of the pre-Sinian orogeny was characterized by multiple cycles. Since the idea that an orogeny is occurred simultaneously all over the world was generally denied by most geologists, we consider that the orogeny must also be diachronous" especially in non-metamorphic sequences. Moreover, we suggest that the Jinning orogeny in the Yangtze block is a good example of such diachronous orogenies.But in the metamorphosed sequences, an uncomformity which can be observed in geological section may generally represent a combinative expression of many orogenies.Oro'genic cycles in these three major fault blocks have been classified as follows:Sanggan cycle (>2500-2600 m.y.)Wutai cycle (>2000 m.y.)Zhongyue cycle (>1700 m.y.)Yinshan cycle (>1200-1300 m.y.)Jinning cycle (>1050-900 m.y.)An attempt to correlate them with other orogenies that occurred in the other continents of the world is made in this paper.

本文对我国三大断块(区)的前寒武纪地层的发育、建造类型、不整合及部分同位素年龄值进行了对比,划分出五个地壳构造运动旋回,即桑干旋回(2500—2600百万年前),五台旋回(2000百万年前),中岳旋回(1700百万年前),“阴山旋回”(约1200—1300百万年前)和晋宁旋回(1050—900百万年前)。指出在前震旦纪变质岩系中的不整合具有多次地壳构造运动的集合的性质,相当显生宙的一个构造旋回。同时指出晋宁运动具有明显的穿时性,与板块构造理论相符。

Based on the regional paleogeography, tectonic history and magmaticactivity, this paper deals with the Mesozoic tectonism and magmatism of thelower Yangtze Valley, and also discusses the relation between the mechanismand evolution of continental volcanism. After the beginning of Mesozoic time, the platform block of the lowerYangtze Valley was disintegrated. Under the influence of the northwardmovement of the Pacific Plate, a series of left-lateral deep faults were for-med in the eastern part of Chinese continent....

Based on the regional paleogeography, tectonic history and magmaticactivity, this paper deals with the Mesozoic tectonism and magmatism of thelower Yangtze Valley, and also discusses the relation between the mechanismand evolution of continental volcanism. After the beginning of Mesozoic time, the platform block of the lowerYangtze Valley was disintegrated. Under the influence of the northwardmovement of the Pacific Plate, a series of left-lateral deep faults were for-med in the eastern part of Chinese continent. Among them, the Tancheng-Lu-jiang deep fault is the largest one. From Isopach maps of different ages(Fig.2)we can see that the Tancheng-Lujiang deep fault hadn't any influence over all rock formations,except in Triassic time. Near the fault zone, atZhangbaling, Anhui, the upper Proterozoic schist has a radioactive age of 230-190 m. y., which denotes the age of dynamic metamorphism. In the studiedarea, the Tangcheng-Lujiang deep fault separates the Sino-Korea Plate onthe north-west from the South China Plate on the south-east. The Pre-Me-sozoic formations on both sides are from two quite different sedimentary ba-sins, and have a dislocation of several hundred kilometers. Late Jurassic vol-canics occur along the fault, while the Cretaceous sediments overlap thefault zone. The gravitational and magnetic fields (Fig. 3) suggest that theintrusion of basic and ultrabasic rocks occupy the fault zone. The fault planeis very steep and cuts deeply downwards. According to telluric measurement,it reaches to the upper mantle. Since Mesozoic time, Honshu-Taiwan island arc faced towards east, andobducted above the Pacific oceanic plate. A stretching sea, created behindthis area, i. e., the depression of epicontinental sea type, is attributive to theovercompensation of the upper mantle under southeast China. For the timebeing, this depression is enlarged. It is controlled by the NNE left-lateralfault and NEE spreading axis, we called it North Jiangsu-South Yellow SeaDepression. It is one of the epicontinental seas on the western Pacific. The Mesozoic tectonism of the lower Yangtze Valley is the combinationand interaction of these two kinds of movements. At first, the left-lateralmovement was dominant, and then the stretching (spreading in continent)gradually took place. So the shape and the cross-section of the depressionchanged with time (Fig. 5). Now, we divide the studied area into two parts: continental uplift andepicontinental depression, but as a whole, they are only a part of the conti-nental margin of western Pacific. Mesozoic magmatic activities spread widely over the area. Their locations,ages and rock compositions are closely related to their tectonic positions.They form a continuous evolutional series in space and time. Within thecontinental uplift, the main activities are batholitic intrusions, such as Huang-shan etc. They are intruded into the axial part of anticlinorium, composedmainly of granite or granodiorite. Small continental volcanics might occur inlocal downwarps. On the peripheral part of the continental uplift, there aresome stocks composed of granodiorite with clear differentiation.They are locat-ed at the axial part of folds. In the axial part of synclinorium, there is anotherkind of stocks with quite complex composition from granite to diorite andmonzonite. Upper Jurassic-Lower Cretaceous volcanics occur within local downwarps, such as Fanchang, etc. The main rock types are dacite, partlyrhyolite and rhyodacite, but andesite is very scarce. The volcanic series itselfconstitutes a synclinal downwarp, laid over by different pre-Mesozoic folds,mostly anticlines. On the peripheral part of epicontinental depression, intrusive activity isvery weak. There are some small stocks, mainly diorite. On the western partof the studied area, near Tancheng-Lujiang deep fault, there occur somesyenite batholiths. Continental volcanism spread widely over this area, form-ing large synclinal downwarps of more than thousand square kilometers. Themost famous ones are Nanjing-Wuhu and Lujiang-Zhongyang. Their mainrock types a

一、地质发育概况 长江下游地区在地质发育进程中历经了多次构造旋回,经受多期构造作用的迭加和改造。

There are various types of minor structures occurring in the Baiyin Open-pit Mine, Gansu. According to the deformation succession of the structures,it may be subdivided into two main phases and three subordinate stages,and all of them belong to the Caledonian cycle. For all the stages, the stylesof structure, dynamic characteristics, heat-flow values,strain-facies and meta-morphism that have been found in the minor structures,reveal certain regu-larities.

白银露天矿区小型构造十分发育,类型繁多,计有小褶皱,流劈(片)理、折劈理、破劈理、扭折、剪节理及拉长线理、皱纹线理等透入性构造。据初步解析可划分为二幕三期,均属加里东构造旋回。各变形期的构造样式、动力学特征、热流值、应变相及变质作用等都有一定的规律。研究这些规律,对于解决白银地区区域构造和成矿规律等方面都有实际意义。

 
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