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变质地质学
相关语句
  metamorphic geology
     Extreme metamorphism: the frontier of metamorphic geology
     极端条件下的变质作用——变质地质学研究的前沿
短句来源
     FRONTIER OF METAMORPHIC GEOLOGY──ULTRAHIGH-PRESSURE METAMORPHISM AND GEODYNAMICS
     变质地质学新领域─—超高压变质作用与地球动力学
短句来源
     Metamorphic Geology of khondalite series from Chencai Group in Zhejiang province
     浙江陈蔡群孔兹岩系的变质地质学研究
短句来源
     Extreme metamorphism is a frontier of metamorphic geology.
     极端条件下的变质作用是近年来固体地球科学研究取得的重要进展,是目前变质地质学研究的前沿领域。
短句来源
     Since 1970's, the research of metamorphic geology has been characterized as dynamic approach by the progresses as follows: (1) a world wide mapping of metamorphic belts in small scale has been performed to evaluate the spatial and temporal relations of types of metamorphism in terms of facies series and facies groups within continental crust;
     七十年代以来,由于以下几个方面的进展,变质地质学开始以动力学方法为特征:(1)开展了世界范围内的小比例尺变质编图工作,以相组和相系为基础研究变质作用类型及其时空演化规律;
短句来源
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  “变质地质学”译为未确定词的双语例句
     ADVANCES IN METAM ORPHIC GEOLOGY
     变质地质学研究的若干进展——29届国际地质大会专题简介
短句来源
     Some principal problems of mctamorphic geology are discussed in several symposiums of 29th International Geological Congress.
     变质地质学及有关问题是第29届国际地质大会讨论的重要议题之一。
短句来源
     The research of metamorphic facies geology has experienced two stages in its development over 160 years, viz. the static and dynamic approaches.
     在变质地质学160余年的研究历史中经历了从静态到动态两个思维发展过程。
短句来源
  相似匹配句对
     FRONTIER OF METAMORPHIC GEOLOGY──ULTRAHIGH-PRESSURE METAMORPHISM AND GEODYNAMICS
     变质地质学新领域─—超高压变质作用与地球动力学
短句来源
     Extreme metamorphism: the frontier of metamorphic geology
     极端条件下的变质作用——变质地质学研究的前沿
短句来源
     4D Geology
     四维地质学
短句来源
     metamorphic belt in China.
     变质带。
短句来源
     Preliminary Discussion about Eco environmental Geology
     生态环境地质学初探
短句来源
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  metamorphic geology
Knowledge of the physical and chemical characteristics of the leakage mechanism, which may be very complex, increases the value of natural fluid inclusions to metamorphic geology.
      
He data on the metamorphic geology of Kemio, one of the amphibolite facies terrains within the region.
      
Interpretation of the complex metamorphic geology of Voyageurs is of great interest to the park natural resources staff.
      


The pre-Sinian strata are divided into Archaean, early Proterozoic and middle-late Proterozoic in Xinjiaag. The Archaean crops out only in Altun Mountain. It is composed of rocks of granulite facies and amphibolite facies. The early Proterozoic is widely distributed in the southern region of Junggar Basin. It is mainly represented by low-or medium pressure facies series with amphibolite facies in dominance among the progressive metamorphic zones. The metamorphism is of regional dynamic heat flow type. Migmatites...

The pre-Sinian strata are divided into Archaean, early Proterozoic and middle-late Proterozoic in Xinjiaag. The Archaean crops out only in Altun Mountain. It is composed of rocks of granulite facies and amphibolite facies. The early Proterozoic is widely distributed in the southern region of Junggar Basin. It is mainly represented by low-or medium pressure facies series with amphibolite facies in dominance among the progressive metamorphic zones. The metamorphism is of regional dynamic heat flow type. Migmatites are well developed. The middle-late Proterozoic includes the Chaagcheng, Jixian and Qisabaikou Groups. The metamorphism is of regional low temperature dynamic type with low greenschist facies in dominance. Stromatolites are abundant. These distinct the crustal evolution of the old Northwestern China Platform from the old North China Platform.

根据变质地质学的观点,新疆的前震旦纪地层可划分为太古界、下元古界和中一上无古界,它们在岩石组合、原岩建造、变质作用类型及形成环境等方面具有明显的区别,同时表明古西北陆台具有与古华北陆台完全不同的地质发展历史。

The International Symposium on Metamorphism and Grustal Evolution proposed and sponsored by Changchun University of Earth Sciences was held in 20-23 September, 1988 in its campus.And after the meeting, part of the participants went on an excursion to Miyun district in a Beijing suburb in 21-27 September,145 representatives attented to this meeting. They come from Australia, India, Italy, Japan, Netherland, West Germany, U . S. A .and China, 42 papers were delivered at the meeting.In scientific sessions, representatives...

The International Symposium on Metamorphism and Grustal Evolution proposed and sponsored by Changchun University of Earth Sciences was held in 20-23 September, 1988 in its campus.And after the meeting, part of the participants went on an excursion to Miyun district in a Beijing suburb in 21-27 September,145 representatives attented to this meeting. They come from Australia, India, Italy, Japan, Netherland, West Germany, U . S. A .and China, 42 papers were delivered at the meeting.In scientific sessions, representatives extensively exchanged their results of research and ideas on various subjects of metamorphic geology. The principles and method for compllating metamorphic map and relationships between metamorphic type and tectonic setting were firstly concerned. Many discussions were focused on the Precambrianmetamorphic geology and characteristics and tectonic environment of blueschist-facies metamorphirm. The specular complex evolutional hsitory of metamorphie events and tectonic deformation aeec mpanied intricate temporal rela-tionshipbeiween them in most orogenic belts of various age was the most interesting subject to all participants. Some attentions also were paid to petrology of granitic eocks and metallogene of gold and urarium related to metamorphic rock series. The meeting is successful and was greatly appreciated by the representatives. And it will certainly contribute to farther progress in field of metamorphic geology.

国际变质作用与地壳演化学术讨论会在长春召开,历时4天。会议期间,代表们就变质地质学的各方面课题广泛交流了研究成果和观点;讨论涉及变质图的编图原则和方法及变质作用类型与大地构造环境之间的关系;对前寒武纪变质地质和蓝片岩相变质作用的特征及大地构造环境进行了较集中的讨论。与会代表最感兴趣的问题是各时代造山带长期复杂的变质和变形作用的演化历史及彼此之间的复杂时间关系。对花岗质岩石学及与变质岩系有关的金和铀的成矿作用也引起了注意。

The Presinian basement on the southwest margin of the Yangtze paraplatform consists of three metamorphic rock series of different ages. Being products of different tectonic events and environments, they differ markedly in original rock sequences, metamorphism, tectonic style and characteristics of granitoids and deposits.The late Archean Kangdian craton mainly comprises the Kangding and Julin Groups with a metamorphic age of nearly 2500 Ma. They are supracrustal rocks dominated by mafic volcanics enclosed in...

The Presinian basement on the southwest margin of the Yangtze paraplatform consists of three metamorphic rock series of different ages. Being products of different tectonic events and environments, they differ markedly in original rock sequences, metamorphism, tectonic style and characteristics of granitoids and deposits.The late Archean Kangdian craton mainly comprises the Kangding and Julin Groups with a metamorphic age of nearly 2500 Ma. They are supracrustal rocks dominated by mafic volcanics enclosed in trondhjemites. The craton is believed to represent a granite-greenstone terrane of Late Archean age. Economic deposits include graphite and kyanite deposits of metamorphic origin, muscovite deposits in pegmatites and gold quartz veins in gneissic granites, banded hornblende-magnetite mineralization, copper and zinc mineralizations related to felsic volcanics. Large V-Ti bearing magnetite deposits were also formed in the mafic-ultramafic stratiform intrusions emplaced on the margins of the craton during the middle Proterozoic. Copper and nickel deposits are found in several ultramafic intrusions.Extending north-south, the Proterozoic mobile belt mainly comprises the early Proterozoic Hekou and middle Proterozoic Huili and Kunyang Groups, and they are thought to be accumulations in a Proterozoic rift or aulacogen. During the early Proterozoic, the rift was characterized by intense volcanism and. presence of iron deposits of voclanic-magmatic type, iron-copper deposits of exhalative-sedimentary type. The Mid-late Proterozoic of the rift mainly witnessed sedimentary mineralization and formation of stratiform copper deposits of sedimentary type and of iron deposits of submarine sedimentary type in several horizons. In the wake of the emplacement of the Jinningian and Chengjiangian granites in the late Proterozoic, skarn tin and tin-iron deposits were formed.

运用近代变质地质学的观点,总结了扬子准地台西缘前震旦纪基底不同时代的变质岩系、形成的构造环境、演化历史与成矿作用。康滇克拉通代表晚太古代的花岗岩-绿岩地体,其中以变质成矿作用为主。元古代活动带代表克拉通分裂后出现的裂谷槽盆,其中以火山、沉积成矿作用为主,还有与花岗岩有关的热液成矿作用。于中元古代在克拉通边缘基性—超基性岩浆的活动,伴随岩浆成矿作用。因多期成矿作用,本区成为黑色与有色金属矿床的重要成矿区域。

 
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