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east kunlun
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  东昆仑
     Pb-Sr-Nd-O Isotope Characteristics of Granitoids in East Kunlun Orogenic Belt
     东昆仑造山带花岗岩类Pb-Sr-Nd-O同位素特征
短句来源
     Geochemical characteristics and 40Ar/39 Ar age of the Ayak adamellite and its tectonic significance in the east Kunlun, Xinjiang.
     新疆东昆仑阿牙克岩体地球化学与~(40)Ar/~(39)Ar年代学研究及其大地构造意义
短句来源
     A suite of mafic-ultramafic rocks occurs in the Qingshuiquan area, East Kunlun. The content of Ti2O is 2.11%, the ratio of ∑LREE/∑HREE is 4.64-7.58 and the ratio of (La/Lu)N averages 7.05. The smooth REE patterns are inclined to the right.
     东昆仑清水泉地区发育一套镁铁质—超镁铁质岩块组合,玄武岩Ti2O含量平均为2.11%,∑LREE/∑HREE=4.64~7.58,(La/Lu)N平均值7.05,稀土配分曲线平缓右倾,δEu平均值1.08;
短句来源
     Ar-Ar dating of orogenic gold deposits in northern margin of Qaidam and East Kunlun Mountains and its geological significance
     柴北缘—东昆仑地区造山型金矿床的Ar-Ar测年及其地质意义
短句来源
     Hornblende and biotite ~(40) Ar /~(39) Ar ages of the Yeniuquan quartz diorite and dacite-porphyry in the East Kunlun orogenic belt,Xinjiang
     新疆东昆仑野牛泉石英闪长岩与英安斑岩的~(40)Ar/~(39)Ar同位素年龄
短句来源
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  东昆仑山
     Geochemical characteristics of the Qingshuiquan mafic-ultramafic rocks, East Kunlun
     东昆仑山清水泉镁铁质——超镁铁质岩的地球化学特征
短句来源
     PLACER GOLD AND ITS ORIGIN IN WESTERN SECTION OF EAST KUNLUN MOUNTAINS,XINJIANG
     新疆东昆仑山西段砂金矿特征及成因探讨
短句来源
     A Large Transpression Zone at the South Margin of the East Kunlun Mountains and Oblique Subduction
     东昆仑山南缘大型转换挤压构造带和斜向俯冲作用
短句来源
     Gold-Search Prospects in Southern Slope of Western Part of East Kunlun Mountain and in Kekexili Area
     东昆仑山西段南坡及可可西里地区找金前景简介
短句来源
     THE CHARACTERS AND TECTONIC SIGNIFICANCE OF OPHIOLITE FIRST DISCOVED IN THE EAST KUNLUN AREA
     东昆仑山清水泉蛇绿岩特征及其大地构造意义
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  “east kunlun”译为未确定词的双语例句
     Southern Margin Strike-Slip Fault Zone of East Kunlun Mountains: An Important Consequence of Intracontinental Deformation
     Southern Margin Strike-Slip Fault Zone of East Kunlun Mountains: An Important Consequence of Intracontinental Deformation
短句来源
     TECTONIC BACKGROUND OF THE Ms 8.1 EARTHQUAKE ON 14 Nov,2001 AT EAST KUNLUN FAULT
     2000年11月14日东昆仑8.1级地震的构造背景
短句来源
     SURFICIAL SLIP DISTRIBUTION AND SEGMENTATION OF THE 426-km-LONG SURFACE RUPTURE OF THE 14 NOVEMBER,2001, M_S8.1 EARTHQUAKE ON THE EAST KUNLUN FAULT,NORTHERN TIBETAN PLATEAU, CHINA
     2001年昆仑山口西M_S8.1地震地表同震位移分布特征
短句来源
     They especially study east Kunlun active fracture across the reservoir dam,which is a deep lithospheric fracture zone whose horizontal displacement is 40~80m,smoothing rate of speed is 7.5~9.5mm/a with many grand paleoearthquake traces.
     特别是对穿越坝体的京昆仑活动断裂进行了更为详细的研究,总结出它是全新世以来经过多期强烈活动,水平位移达40~80m,平滑速率为7.5~9.5mm/a,是古地震遗迹十分状观的一条岩石围深大断裂。
短句来源
     and ② there are 70 kaBP terraces in the Central Kunlun Mountains and 50 kaBP terraces in the East Kunlun Mountain, and their formation in the eastern and western parts of the Kunlun Mountains in the two stages was not synchronous.
     ②昆仑山中部地区具有70kaBP的阶地,昆仑山东部地区具有50kaBP的阶地,这2个时期昆仑山东西部河流、湖岸地貌的形成不具有同步性。
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  east kunlun
Therefore, the southern east Kunlun tectonic belt in the early Paleozoic is not comparable to the Mianlüe tectonic belt in the Qinling orogenic belt.
      
The Late Neoproterozoic to Early Ordovician ophiolite complex in the area of Kuhai-A'nyêmaqên suggests that the southern margin of the "Qilian-Qaidam-Kunlun" archipelagic ocean in this period was located in the southern east Kunlun tectonic belt.
      
Timing of the intermediate-basic igneous rocks developed in the area of Kuhai-A'nyêmaqên along the southern east Kunlun tectonic belt is a controversial issue.
      
Zircon SHRIMP U-Pb ages and trace element geochemistry of the Kuhai gabbro and the Dur'ngoi diorite in the southern east Kunlun
      
The inherited zircon age of 1734 Ma in volcanic rocks reflects that the base of East Kunlun may be Middle Proterozoic.
      
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This paper expounded the tectonic problems in AQK area (the Altyn, Qilian and east Kunlun Mountain area) by analysing and contrasting all the"constructive"and "des-tructive"events as well as by structural sieving. The tectonic development of the Alt-ynQilianshan and E. Kunlun fold belt shows that they are not independent fold belts, in the early period they didn't form independent structural systems,and they were components of Kunlun-Qinling latitudinal tectjnic system. Their present winding...

This paper expounded the tectonic problems in AQK area (the Altyn, Qilian and east Kunlun Mountain area) by analysing and contrasting all the"constructive"and "des-tructive"events as well as by structural sieving. The tectonic development of the Alt-ynQilianshan and E. Kunlun fold belt shows that they are not independent fold belts, in the early period they didn't form independent structural systems,and they were components of Kunlun-Qinling latitudinal tectjnic system. Their present winding forms were the result of migration of crustal segments .According to the theory of formation of the latitudinal tectonic system, they were situated originally at where occu-ppied now by the E.Kunlun mountain.The formula of the spherical harmonic function delineates the occurrence of latitudinal tectonic systems at given latitudes of the earth, but the latitudinal tectonic systems do not always keep in the E-W direction and equidistances. Most of them were formed very early in earth history and were liable to change in later crustal development.The Kunlun-Qinling latitudinal system is just one of the example showing how the dextral rotation of QinghaiXizang land mass had deflected the E-W tectonic zone. Of course, the force which made Qinghai-Xizang land mass rotate was coming from the inertia force of the earth's rotation.

纬向构造带产生的特定纬度带,是其构造“发生床”,在这些带上产生的构造形体(包括阶段性的全部建造和改造)是其构造“成生体”。纬向构造带有长期活动、多阶段发展的特点,其不同阶段促成不同的构造成生体。阿祁昆地区弯转多姿的构造带是秦昆系的古老成生体迁移扭变的结果,扭变的主因是青藏地块的右旋转动。

The Wanbaogou Group of Upper Proterozoic to Cambrian age is located in southern East Kunlun Mts, around Nachitai on the Qinghai—Tibet Highway. The volcanic sequence lies in the midlower part of the Group with a thickness of greater than 1500m. The rocks comprise mainly basaltic lava, accompanied by some basic tuff. The components of the volcanics are relatively homogeneous, suggesting poor differenciation. Vesicular and pillow structures can be observed in the lavas, but they are not widely developed;...

The Wanbaogou Group of Upper Proterozoic to Cambrian age is located in southern East Kunlun Mts, around Nachitai on the Qinghai—Tibet Highway. The volcanic sequence lies in the midlower part of the Group with a thickness of greater than 1500m. The rocks comprise mainly basaltic lava, accompanied by some basic tuff. The components of the volcanics are relatively homogeneous, suggesting poor differenciation. Vesicular and pillow structures can be observed in the lavas, but they are not widely developed; lava breccias and carbonate interlayers are present in the tuffs. The pyroxenes were replaced by amphibole and chlorite, while the plagioclases had suffered from zoisitization and argillization. In addition, there are also some cases of silisification and carbonatization.The rocks are characterized by low content of SiO_2 (less than 50%) and high content of TiO_2(about 3%) ; and low MgO(generally 4—5%)and high TFeO (about 14%)contents. K_2O +Na_2O. and P_2O_5. contents are 2—4% and less than 0.4% respectively. The trace element distribution is low in Cr and Ni (69—113ppm and 23—71ppm respectively), corresponding to the low content of MgO, while the high V(256—383 ppm) and Zr (116—289ppm) contents are consistent with that of TFeO. The REE normalized values show a LREE-rich pattern, and ~(87)Sr/~(86)Sr values range between 0. 702—0. 705.The above data suggest that this volcanic suite was derived from tholeiite of deep origin and formed in an intrapolate environment. It is somewhat subalkaline in character and exhibits some features of oceanic island-type basalt, indicating in the early history of the evolution of the East Kunlun crust there existed a significant extensional period as the initial stage of the formation of the East Kunlun eugeosyncline.

本文通过对基性火山岩样品的综合研究,论述了该岩组的岩石学特征;着重阐述了稀土元素、痕量元素含量变化特征;论证了万宝沟群中的基性火山岩的成因。指出万宝沟基性火山岩既有别于大洋正常拉斑玄武岩,也不同于大陆拉斑玄武岩,而是来源于上地幔,属于分异作用不发育、略偏碱性、于浅-中海环境中形成的洋岛型拉斑玄武岩。

The Qingshuiquan ophiolitic blocks or sheets, which are located in the Qingshuiquan and adjacent area about 60 km away from the Dulan county of Qinghai province, have been first discoved during field exploration in 1986.The ophiolites are occurrenced as tectonic sheets or blocks along the middle fracture zone of the East Kunlun in NWW direction. Among some bigger blocks or sheets are the more complete sequences of ophiolite suite, which are re-established from bottom to top as follow:1.massive peridotites...

The Qingshuiquan ophiolitic blocks or sheets, which are located in the Qingshuiquan and adjacent area about 60 km away from the Dulan county of Qinghai province, have been first discoved during field exploration in 1986.The ophiolites are occurrenced as tectonic sheets or blocks along the middle fracture zone of the East Kunlun in NWW direction. Among some bigger blocks or sheets are the more complete sequences of ophiolite suite, which are re-established from bottom to top as follow:1.massive peridotites and harzburgite; 2.cumulative complex, such as the bedded structural harzburgite and dunite, troctolite as well as olivine-gabbro,gabbro;3.diabase and gabbroid-diabase sill and diabase vein; 4.basalt, etc.The ophiolite or ophiolitic melange were emplaced or obducted on the continental margin of the south China plate when the Qinqikun (Qinling-qilian-Kunlun Mt.) ancient oceanic crust subduction and collision of the Tarim-Qaidam plate with the south China plate,from north towards south, hence, the ophiolitic blocks or sheets have become an important evidences for the East Kunlun suture of the Early Paleozoic from the rock record of plate tectonice.

出露在青海省都兰县南部布尔汗布达山主脊部位的清水泉蛇绿岩是作者1986年新发现的,它为厘定昆仑山中央大断裂的早古生代缝合带性质从岩石学上提供了有力的板块构造证据。本文从区域地质、产出状态、岩石组合、地球化学、形成时代等方面对清水泉蛇绿岩进行了较详细的论证。同时根据蛇绿岩的特征和成因,结合区域地质和地球物理新资料,提出了昆中断裂是东昆仑地区的一条加里东期古缝合带的新认识,并且认为昆中古缝合带就是青海境内柴达木地块与华南地块的界线,而沿此线保存的清水泉蛇绿岩则可能代表着早古生代秦祁昆古大洋壳在东昆仑地区的残迹。

 
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