大陆边缘
- 名continental margin;continental borderland
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准吐陆块南缘被动大陆边缘沉积阶段(C~~C1);
The sedimentation of passive continental margin in the south of Junggar ( Turpan Hami ) plate ( C ~~ C 1 );
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与不同构造环境杂砂岩的稀土元素特征的对比结果及δCe的特征表明南堡凹陷新近系源区属性为活动大陆边缘背景。
In contrast to REE characteristics of graywacks of different tectonic settings and δ Ce values , the tectonic setting of source rocks belongs to the active continental margin .
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呈NE向展布于闽东南大陆边缘的长乐&诏安断裂带,是一条规模较大、深切地壳、新活动明显的复式断裂带。
Changle-Zhao'an fault zone ( strike NE ) that can be traced in Southeast margin of the landmass of Fujian , has a large compound fault structure .
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元古宙与大陆边缘裂解有关的小侵入体矿床,如金川、沃依塞湾(VoiseyBay);
( 2 ) Post - Proterozoic small intrusive type deposits associated with continental marginal rifting like Jinchuan and Voisey 's Bay deposits ;
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SEIZE作为大陆边缘计划(MARGINS)的重要研究内容和综合大洋钻探计划(IODP)的优先研究领域,重点对世界主要俯冲发震带进行研究。
As one of major initiatives of the NSF-MARGINS Program and Integrated Ocean Drilling Program ( IODP ), SEIZE focuses its research on major subduction seismogenic belts in the world .
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对于那些具有消减带信号的基性熔岩,可以根据Zr含量和Zr/Y比值,或利用Zr/Y-Zr图解,判断它们是否真正是岛弧或活动大陆边缘玄武岩。
For the basic lavas with subduction-type signatures , we can judge whether they are really island-arc or active continental margin basalts by studying Zr contents and Zr / Y ratios or Zr / Y-Zr diagram .
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华力西晚期(270~250Ma)具科迪勒拉I型或ACG特征,属活动大陆边缘构造环境,其形成与早二叠世特提斯洋的向北俯冲作用有关;
The late Variscan granitoids exhibit characteristics of Cordilleran I-type granitoids or ACG , associated with an active continental margin related to the northward subduction of Tethys ocean in the early Permian .
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华北板块北缘发育一条中元古代晚期大陆边缘碰撞造山带,它由内蒙西部狼山起向东延伸到辽西和吉林东部一带,全长2000余km。
There is the collision orogenic belt which was developed in late middle Proterozoic era , in north margin of North China plate . The belt extends from Langshan in Inner Mongolia to Western Liaoning province and Eastern Jilin province . Its length is over 2 000 km .
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在Rb-Hf-Ta和Rb-Y+Nb构造判别图解上,桃红岩体和西裘岩体都属于火山弧花岗岩(VAG),形成于活动大陆边缘。
On the Rb-Hf-Ta and Rb-Y + Nb discrimination diagrams , they plot exclusively into the volcanic arc granitoid ( VAG ) field , suggesting that they were formed in an active continental margin .
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结合麻粒岩的锆石U-Pb测年结果认为,同德麻粒岩的原岩形成于新元古代(844±12Ma)扬子陆块西缘活动大陆边缘的岛弧环境。
Based on the above-mentioned features of geochemistry and U-Pb data , the author considers that the Tongde granulites were formed in the island-arc environment of an active continental margin at Neoproterozoic ( 844 ± 12 Ma ), to the western border of Yangtze block .
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中新世,燕山造山运动减弱,导致马更些湾和阿卡帕克(Akpak)阶海侵沉积,该时期为扩散被动大陆边缘盆地。
Middle Miocene , Yanshan orogeny weakened , resulting in the Mackenzie Bay and Acre Parker ( Akpak ), order transgressive deposition , and the period for the diffusion of a passive continental margin basins .
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环太平洋地区是主要的活动大陆边缘发育地,发育许多与活动大陆边缘有关的盆地。
Many basins related to active margins locate on CircumPacific areas .
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两种不同类型大陆边缘的初步研究
A preliminary study on the two different types of continental margin
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两种不同类型的活动大陆边缘及其动力学机制
Active continental margins of two different types and their dynamic mechanism
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试论中国东南地区大陆边缘构造演化的特征
On the characteristics of tectonic evolution of SE China continental margin
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中、新元古代被动大陆边缘沉积建造;
The sedimentary formation in the Middle-Late Proterozoic inactive continent margin ;
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中生代晚期到新生代拉张应力下的华南大陆边缘
Extension in South China continental margin from Late Mesozoic to Cenozoic
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东亚大陆边缘中生代的左行平移断裂作用
Mesozoic sinistral transcurrent faulting along the continent margin in East Asia
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环太平洋活动大陆边缘盆地类型及油气成藏条件
The basin types and reservoir forming condition of circum-Pacific active margins
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中国东北及邻区大陆边缘构造
Continental - margin structure of Northeast China and its adjacent areas
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中国东南部中生代大陆边缘成矿体系和成矿模式
Mineralizing system and model at Mesozoic continental margin in southeastern China
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粗粒沉积物一般沿大陆边缘堆积。
The coarse sediments have generally accumulated along the continental margins .
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大陆边缘后续沉陷期间随后是死一样的沉寂。
Subsequent thermal subsidence of the margin A ghastly silence followed .
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沉积环境为被动大陆边缘。
The sediment environment was in the passive continental margin .
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闽东南大陆边缘活动断裂与地震
Active faults in Southeast continental border of Fujian and earthquakes
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扬子板块北部古被动大陆边缘的地球化学特征
Geochemical Characteristics of Ancient Passive Continental Margin of the Northern Yangtze Plate
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根据沉积历史分析华南古大陆边缘的构造演化
Analysis of tectonic evolution of paleo - continental margin in South China
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西北太平洋大陆边缘中新生代构造过程
Mesozoic and Cenozoic tectonic process of Northwest Pacific continental margin
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大陆边缘裂谷带是矿床形成的大地构造环境。
It is located in the rift of continental margin .
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中国东南部大陆边缘现代水热活动
Recent hydrothermal activity along the continental margin of Southeast China