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燕山期

"燕山期"的翻译和解释

例句与用法

  • At last the rhythm of yanshanian volcanic rocks is classified into three series such as alkaline basalt , hkca , calc - alkaline shoshonite . 4 . based on the study of rock series , assemblage of igneous rock , characteristic of geochemistry , trace effect of isotope , the yanshanian volcanic rocks of yanshan - liaoning area are mainly calc - alkaline series , which should belong to the products of near continental margin of intracontinental tectonic setting
    3 、在火山活动节律的划分、区域对比的基础上,研究了各级节律火山岩的岩石学、矿物学、地球化学和同位素地质学特征,将研究区燕山期火山岩划分为碱性玄武岩系列、高钾钙碱性系列和钾玄岩系列。
  • There are typical laminated structure , soft sedimentary - slipping deformed structure , syngenetic brecciated structure in the ore which are the mirror of syngenetic sedimentation . the other type of ore has the charactristic of epigenetic mineralization , which is called as telescoped ore . the ore occurs in vein , pocket , lensoid and bedd
    矿石中发育典型的纹层状构造、软沉积滑动变形构造、同生角砾构造等反映同生沉积特征的矿石构造;另一类矿石具有明显的后生成矿特点,称之为叠生改造型矿石,矿石产于脉状、囊状、透镜状及似层状矿体中,与燕山期岩浆岩及断裂裂隙构造关系密切。
  • The research for metallogenic evolution mechanism in the region indicates that gold ore formation has undergone three stages : gold elementary source bed formation stage from the neo - archean to the paleo - proterozoic and meso - proterozoic , regional metamorphism - migmatization gold reenrichment stage at the late meso - proterozoic , structure - fluid - gold mineralization stage at the yanshan period
    对矿带成矿演化机理的研究表明,金矿形成经历了3个阶段:新太古至古、中元古代金初始矿源层形成阶段;中元古代末期区域变质混合岩化金再富集阶段和燕山期构造流体金成矿作用阶段。
  • Based on the analysis of the data on global metallogeny in the framework of geodynamics and study of the processes of continental evolution and metalloeny of of sanjiang , qinling and xingan - mongolia orogenic belts , we have reconsidered the geodynamic evlution and metallogeny during indosinian to early - yanshan movement in china , and established large - scale metallogenic model on intracontinental evolution we in orogenic belts . the main results are summarized as follow . ( 1 ) systematically gathering the data about large - scale and superlarge - scale deposits in the world and drawing up the map of global tectonics and metallogeny ; finding out the segmentation of circle - pacific ocean metallogenic belt and informing that the giant deposit clusters are the prominent feature of global metallogeny
    本文在总结全球大规模成矿的地球动力学背景资料基础上,通过深入解剖和系统对比我国三江造山带南段、东秦岭造山带和兴蒙造山带中南部等典型造山带关键地区以陆内演化过程为核心的地球动力学演化历史及其成矿特征,重新认识了我国大陆印支?早燕山期的动力学演化过程及其成矿效应,建立了关于造山带陆内演化阶段主要过程中的大规模成矿模式。
  • The study results on hydrocarbon preserving conditions have suggest ed that influenced by latter tectonic movements , especially by the yanshan ~ himalayan tectonic movement , obviously different hydrocarbon preserving conditions occur between the eastern and the western parts bounded by the qiyue mountain . the whole lower paleozoic hydrocarbon enclosing and preserving conditions for the shizhu synclinorium - fangdoushan antici inorium to the west of qiyueshan mountain have the advantage over those of the qiyueshan antici inorium - lichuan synclinorium to the east of qiyue mountain
    通过油气保存条件的研究认为:受后期构造运动的影响,尤其是燕山期?喜山期构造运动的影响,造成区内以齐岳山为界东西油气保存条件存在明显差异,齐岳山以西的石柱复向斜?方斗山复背斜下古生界油气整体封存条件明显优于齐岳山以东的齐岳山复背斜?利川复向斜。
  • During the yanshanian phrase , the area is in the condition of contractional background , with multi - staged tectonic reversion . 5 . through studying the origin of volcanic rocks and the characteristics of magma evolution , it concludes that there exist 3 originated areas of magma - from mantle , crust , and mantle - crust exchange . the basic magma of nandaling volcanic rocks of early jurassic is derived from upper mantle ; the magma of tiaojishan volcanic rocks of mid jurassic is formed in the contractional tectonic setting , and derived from the transition zone of crust and mantle interaction ; the acid magma of l
    5 、通过岩石化学、微量元素、稀土元素的研究,探讨了不同级别节律的火山岩成因、岩浆演化等特征,认为本区燕山期火山岩有三个岩浆源区,即地幔源、地壳源和壳幔混源,早侏罗世的南大岭旋回的基性岩浆,起源于上地幔;中侏罗世髫髻山旋回火山岩是在相对挤压环境中,岩浆起源于壳幔过渡带;晚侏罗世无负eu异常的酸性岩浆来源于下地壳的古老结晶基底的局部熔融,有负eu异常的酸性岩浆来源于上地壳的局部熔融;早白垩世火山岩基性岩浆起源于上地幔,中性岩浆起源于下地壳底部的壳幔过渡带。
  • The first phase involves the formation of thrusting and napping towards nww accompanied by extensive igneous activity and mineralization . the second phase corresponds to the development of asymmetrical small fold downwards north and south . the final phase the cenozoic is marked by strong brittle fractures activity resulting in the sharp heave of the landform of xiaoqinling aera
    太华群内的褶皱及南北两侧断裂分析表明,小秦岭燕山期至少经历3期变形,第一期为sse nww向的褶皱变形作用;第2期为南北向正断下滑剪切作用;第3期为脆性正断作用。
  • In summary , this paper indicates that yanshanian tectonic process of xiaoqinling aera give priority to deformation of thrusting and napping and coexist with deformation of extending and pullapart . taihua group was rapid uplifted in yanshanian that resulted in both compressive thrusting and napping and extending process
    结合燕山期秦岭造山带构造特征和深部岩石圈演化特征,认为小秦岭燕山期构造作用主要表现为以挤压逆冲推覆构造作用为主和以伸展拉张作用为辅的特征。
  • It is very important that the understanding of regional metallogenic rules should be emphasized and the thinking of exploration and research opened up . in this thesis , mainly metallogenic types , tectonic setting , space - time distributions and the ore - controlling and metallogenic conditions for copper ore deposits in gansu province are studied on based inducing past formation which basic theories and methods of the modern geology , mineral deposits and related learning are applied and a serious of formation synthesized throughout depending on guide of regional . - metallogenic theories . a rule of development , enrichment and regional metallogeny would be preliminary summaries in terms of analyzing mineral prospecting for gansu ' s copper , gold and polymetallic minerals , and the relation between the indosinian - yanshan structural - magmatic activities is studied and exploration prospect and positions analyzed as well as a new countermeasure and thinking about research for minerals in this area be suggested
    本论文在总结、分析前人成果资料基础上,以区域成矿学理论为指导,运用现代地质学、矿床学及相关专业、学科的基本理论与方法,综合多种成矿信息,对甘肃省铜矿主要成矿类型及其成矿地质构造背景、时空分布特征与主要控(成)矿条件进行了研究;从矿产勘查的角度,初步总结了甘肃铜、金及多金属矿产的发育、富集与区域成矿规律;探讨了印支-燕山期构造-岩浆活动与大型-超大型铜矿床的形成关系;研究分析了甘肃铜矿资源的勘查前景与找矿方向,提出了该区矿产勘查研究新思路。
  • During this evolution , seven second - order tectonic units were formed ; from north to south are the mingqianri cretaceous residual sea basin , the arsuo tectonic melange zone , the taricuo - wenbu yenshan magmatic arc belt , the cuoqin - bangduo late paleozoic composite back - arc basin , the jiangrang - geerdi faulted uplift , the gangdise - chazi himalayan magmatic arc belt , and the xigaze - anba fore - arc basin . these units comprise important parts of a poly - arc - basin system and exhibit evolutional features of mesozoic to cenozoic arc - basin systems . mosaic pattern of these tectonic units delineates the lithosphere coupling processes of the gangdise tectonic belt under mechanisms such as back - arc basin attenuation and arc - continent collision
    自中新生代以来,冈底斯构造带经历了洋壳俯冲、弧陆碰撞、陆内俯冲-碰撞、走滑和块段隆升的多阶段构造演化历程,形成了由北向南七个二级构造单元,即岷千日白垩纪残余海盆、阿索构造混杂岩带、它日错?文部燕山期岩浆弧带、措勤?帮多晚古生代复合弧后盆地、江让?格尔耿断隆、冈底斯?查孜喜马拉雅期岩浆弧带、日喀则?安巴弧前盆地。
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