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侵入活动
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  intrusive activity
     The gabbro age 229 Ma is obtained from the Xiaweidian Dome by the K -Ar dalution method of whole rock. All of these evidences proved that the set of dikes(or sills) were the product of Indosinian intrusive activity , and their geological features and lithogeochemical features are discussed.
     在下苇甸穹隆中发育的辉长岩中获得了K─Ar全岩稀释法年龄229Ma,证实这套岩脉(床)是印支期岩浆侵入活动产物,并对其地质特征和岩石地球化学特征进行了讨论。
短句来源
     In 1990,when investigated the Changbai mountain with the U.S.A geologists,we dis-covered the Himalaya alkaline intrusive body-monzonitic trachytc,and trachytic porphyrywhich intruded,as veins,into the ponzites of the Baitoushan early third eruptive stage。 Theage is 0.210±0. 04Ma。 The intrusive activity has a close relation with the adjacent area andthe circum-Pacific volcanic mobile belt,which is determined preliminarily as the Quaternaryin age。
     1990年笔者与美国地质学家考察长白山时,发现喜马拉雅期碱性侵入体一二长粗面岩、粗面斑岩呈脉状侵入到白头山早期第三阶段喷发的霓辉粗面岩中,年龄值小于0.210±0.04Ma,侵入活动与邻区乃至环太平洋火山活动带有着密切的联系,时间暂定为第四纪。
短句来源
     on the basis of analyxing synthetically the studying results on Tengchong volcanos, the studying status quo, characteristics and geological background of volcanicity and the relatioship between voltaic activity and intrusive activity of deep seated magma and so on have been commented on in this paper.
     在综合分析前人有关腾冲火山研究成果的基础上,对该区火山活动的研究现状、火山活动特征、火山活动背景及火山活动与深部岩浆侵入活动的关系等方面进行了评述。
短句来源
     The basic rock intrusive activity implied continuation and development of the tension process.
     而基性岩浆的侵入活动代表这一过程的持续和进一步发展。
短句来源
     The results of study enunciate,there is ancient rock mass which is reformed by the intrusive activity many times at the bottom of the dam area valley,because of the weak cohesion bonds the dissimilar epoch contact plane of the rock mass become the compressive rupture zone,later tectonic movements make the rock mass of compressive rupture zone further broken up under medium confinement pressure,since middle Pleistocene epoch long-term weathering and yielding,current deep weathering bag has been formed.
     研究结果表明,坝区谷底为多期侵入活动改造的古老岩体,不同期次岩体接触面因结合力较弱成为挤压破碎带,后期的构造活动使该破碎带岩体在中等围压下进一步破碎,并经中更新世以来的长期风化与软化形成现今的深风化囊。
短句来源
  intrusive activities
     Intrusive activities during compression-extension tectonic conversion in the Bogda intracontinental orogen.
     博格达陆内碰撞造山带挤压-拉张构造转折期的侵入活动
短句来源
     In Ning Zhen region, Mesozoic magmatism was very intense accompanied with frequent multiple phase intrusive activities.
     宁镇地区中生代岩浆作用强烈 ,多期次侵入活动频繁。
短句来源
     Field relations and the Rb Sr isochron age of 298.4±0.76 Ma of the Shangdaheyan intermediate acidic intrusion suggest not only that post Hercynian intrusive activities are not remarkable in the Bogda region, but also that the emplacement of the present intrusives followed closely the intracontinental collision of the Bogda rift and may represent the important conversion from compression to extension in earth dynamics.
     野外地质关系及上大河沿中 -酸性侵入体的 2 98.4± 0 .76 Ma Rb- Sr等时线年龄 ,不但表明博格达地区晚于海西期的侵入活动并不重要 ,还表明该造山带侵入岩的定位紧随博格达裂谷的陆内碰撞 ,并代表了地球动力学环境由挤压变为拉张这个重大转折时期。
短句来源
     These results indicate occurrence of acid-intermediate magmatic intrusive activities in these areas during the early Middle Devonian and the beginning of the Early Carboniferous, implying that there possibly existed ancient continental basement in the basin.
     说明该区大规模的陆缘型中酸性岩浆侵入活动在中泥盆世早期就开始发育,并可能发育古老的陆壳基底。
短句来源
  “侵入活动”译为未确定词的双语例句
     Thefrequent volcanic - intrusive activities implied the crust - mantle differentiation, multiple pouring of the mantle material and mutiple circulation of the crustal material, especially the tensionalstress environment reflected by 3 bimodal volcanic activities since Carboniferous(C1, J1, K1 ) created a multi - element and highly abundant geochemical field.
     频繁的火山一侵入活动揭示了壳幔分离、地幔物质多次注入、地壳物质多次循环,特别是石炭纪以来(C1、J1、K1)三次双峰式火山活动所反映的位张环境,造就了本区成矿元素多、丰度高的地球化学场和构造应力环境;
短句来源
     The igneous activity of Yanshan stage in Han-Xing district occurred during 109~171Ma.
     邯邢地区燕山期侵入岩系的侵入活动发生在109~171Ma之间。
短句来源
     Accompanying the vast eruption of the basalts, there are a lot of mafic-ultramafic intrusions and dikes, in which magmatic V-Ti-Fe, PGE and Ni-Cu deposits have been detected.
     伴随玄武岩的大量喷发有许多基性-超基性岩体、岩脉的侵入活动,在这些侵入体中已发现较多的V-Ti-Fe、PGE、Ni-Cu等矿床。
短句来源
     There are two stages of magmatic intrusion in the Chengmenshan copper ore district, namely the early stage granodiorite prophyry and the late stage quartz porphyry. The age of the former porphyry is 150×10 6 a, and the Re Os isochron age of the latter porphyry determined by the authors is 140×10 6 a, suggesting that the interval between these two stages of magmatic activity is some 10×10 6 a.
     城门山铜矿中,侵入到花岗闪长岩中的石英斑岩,其Re-Os法同位素测年结果为140×106a,进而确定了该区二次岩浆侵入活动时间相隔约10×106a,在这期间内,岩浆由中酸性演变为酸性;
短句来源
     The authors dliscuss magma intrusion activity in the volcanic region, summarize seismicity characteristics in the area, and make research on seismicity origin.
     结果表明:五大连池火山活动与地震活动存在着密切的联系,它们有着共同的成因机制即本区的岩浆侵入活动,火山区地震活动的不同特征反映着火山的活动性。
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  intrusive activity
Eastern Algerian basins are good examples to examine this problem, because their evolution involved both the stage of extensive Hercynian erosion and subsequent strong hydrothermal and intrusive activity.
      
Orebodies of basic and ultra-basic association are directly related to the fault through its influence on intrusive activity.
      
The development of high-sulphidation hydrothermal systems synchronous with deformation along brittle-ductile shear zones is a predictable consequence of intrusive activity during deformation in areas characterised by a high geothermal gradient.
      
Multiple intrusive activity ranges from early calc-alkaline to sub-alkaline and alkaline rocks and is followed by multiple hydrothermal events.
      
The molybdenite Re-Os age (2,661?±?10?Ma) of the ore suggests a genetic link to intrusive activity but is in apparent conflict with a monazite-xenotime U-Pb age (2,651?±?6?Ma), which differs from that of the skarn at the 95% confidence level.
      
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  intrusive activities
A low probability of support indicates an anomalous behavior that may result from intrusive activities.
      
Both of them are products of two different magmatic intrusive activities.
      
Systematic zircon LA-ICPMS U-Pb dating reveals that Cretaceous volcanic-intrusive activities developed in western Guangdong.
      
We previously developed a clustering and classification algorithm-supervised (CCAS) to learn patterns of normal and intrusive activities and to classify observed system activities.
      
A smaller intrusive thickness between the Narmada faults, as compared to those beyond these faults, suggests that the intrusive activities on the two sides are independent.
      
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The Seismograph Station of Yinkou (营口) is located in the source region of Haicheng Earthquake. During two years and nine months before the shock, increase of P wave residuals at this station lasted for one year and four months. The amplitude of the increase is between 0.34 sec. and 0.73 sec. It seems that there are two highs and one low. These variations show that a zone of decreased P wave velocity may be found in the crust and upper mantle beneath the station. It appears that this zone is unstable, twice under...

The Seismograph Station of Yinkou (营口) is located in the source region of Haicheng Earthquake. During two years and nine months before the shock, increase of P wave residuals at this station lasted for one year and four months. The amplitude of the increase is between 0.34 sec. and 0.73 sec. It seems that there are two highs and one low. These variations show that a zone of decreased P wave velocity may be found in the crust and upper mantle beneath the station. It appears that this zone is unstable, twice under extension and once contraction. It may be due to the variation in this zone caused by the effect of magmatic activities at great depth, and resulting in the occurrence of the large earthquake.

营口地震台位于海城大地震震源区域内。大地震之前两年九个月,营口台P波残差已持续升高了一年四个月。升高幅度在0.34—0.73秒间。在升高的背景上,似乎存在两个高峰,一个低谷。 此种变化表明,大地震之前台站附近地壳—上地幔内曾出现P波速度下降的区域。看来,这个区域是不稳定的,相应于P波残差的变化,有两次伸长和一次收缩。这可能是地内深处岩浆侵入活动的结果;由此而导致大地震的发生。

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。

The paper deals with the petrology mineralogy, trace elements andsilicate chemical composition of all igneous intrusion on the Coastal Geodomeas well as the relationship between igneous activity and tectonic disturban-ces, and describes the characteristics of tectonics, tectono-igneous intrusionactivity as well as metallogenic activity and its evolution regularity in timeand space.

本文研究了杨家杖子及邻区滨海地穹上各次侵入岩的岩石矿物、微量元素、岩石化学特征及侵入活动与区域构造变动间的关系,探讨了本区大地构造性质、构造岩浆活动及成矿作用的时空演变规律。

 
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