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upwelling of the mantle
相关语句
  地幔上涌
     The formation mechanism of the sag was related of the upwelling of the mantle,and was controlled by the evolution model of active rift.
     南堡凹陷盆地形成机制主要与地幔上涌作用有关 ,受控于主动裂谷演化模式
短句来源
     The continental rift is driven by extensional stresses from upwelling of the mantle during the Fangshenpao and Shahejie phases of Paleocene and Eocene,Paleogene times(Ef-Esl,about 63.0~37.0Ma). The dextral strike-slip movement occurred during the Dongying phase of Oligocene,Paleogene times(Ed,about 36.9~24.5Ma).
     大陆裂谷的演化受古近纪古新世至始新世房身泡期至沙河街期 (Ef~Es,大约6 3.0~ 37.0Ma)地幔上涌派生拉张应力的驱动 :右行走滑构造运动发生在古近纪渐新世东营期 (Ed ,大约 36 .9~2 4.5Ma) .
短句来源
     The extensional structure movement occurred during the sedimentary phase of Fangshenpao Formation, Paleocene and Shahejie Formation in age of Eocene (37-63Ma). The upwelling of the mantle during evolutionary stage of the continental rift generates the extensional stresses.
     拉张构造运动发生在古新世房身泡组沉积期至始新世沙河街组一段沉积期(距今约37.0~63.0Ma),在大陆裂谷演化阶段因地幔上涌而派生;
短句来源
  “upwelling of the mantle”译为未确定词的双语例句
     Nd isotopic ratios of K-enriched magmatic complexes from southeastern Guangxi province: Implications for upwelling of the mantle in southeastern China during the Mesozoic.
     桂东南富钾岩浆杂岩的Nd同位素组成:华南中生代地幔物质上涌事件
短句来源
     It appears that the eruption of the Emeishan basalts was due to the regional upwelling of the mantle in the western margin of the Yangtze Block and neighboring area during the Late Paleozoic, eventually resulting in the splitting and separation of the relavant continental blocks.
     因此,作者认为,峨眉山玄武岩的成因与消减作用无明显关系,它的喷发很可能是由于古生代末扬子地块西缘及邻区的地幔区域性上涌,从而导致了有关陆块的破裂和分离。
短句来源
     The upwelling of the mantle was responsible for the extension of the crust of southeastern China, the formation of the extensive granitic magmatism and related ore deposits during the Mesozoic era.
     地幔物质上涌导致了中生代华南地壳张裂以及华南大规模花岗岩和相关矿床的形成。
短句来源
  相似匹配句对
     Upwelling east of Hainan Island
     海南岛东部上升流研究
     Numerical Method of Coastal Upwelling
     沿岸上升流数值模拟
短句来源
     the upwelling dominates in the southern SCS;
     南海南部,基本上被上升流海域所控制.
短句来源
     ON THE RELATIONSHIP OF THE UPWELLING WITH FISHERY OFF ZHEJIANG
     浙江近海沿岸上升流与渔场的关系
短句来源
     EVIDENCE FOR THE COASTAL UPWELLING OFF ZHEJIANG
     浙江近海存在沿岸上升流的证据
短句来源
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  upwelling of the mantle
The heat budget required for TTG partial melting is ascribed to the upwelling of the mantle marked by a doleritic event of identical age as the generated high-K granite melts.
      
This magmatism directly results from the passive upwelling of the mantle and decompression melting as plates separate along the ridge axis.
      
Thus, upwelling of the mantle beneath the continental rift zones likely results in various degrees of melting of the mantle by decompression melting.
      


In this paper the suthor is challenging the claim that the Emeishan basalts were erupted as a consequence of back-arc spreading, with the following arguments: (1) the investigation in recent years indicates that the subduction polarity of the Jinshajing-Ailaoshan suture zone (as \\ell as the Ganzi-Litang suture zone) might well point to the west rather than the east during the Hercynian-Indosinian; (2) no component related to the subduction has been detected from the major and trace element data of the Emeishan...

In this paper the suthor is challenging the claim that the Emeishan basalts were erupted as a consequence of back-arc spreading, with the following arguments: (1) the investigation in recent years indicates that the subduction polarity of the Jinshajing-Ailaoshan suture zone (as \\ell as the Ganzi-Litang suture zone) might well point to the west rather than the east during the Hercynian-Indosinian; (2) no component related to the subduction has been detected from the major and trace element data of the Emeishan basalts; (3) the paleomagnctic study indicates that the Yangtze Block was in the southern hemisphere but very close to the equator in the Late Permian and afterwards drifted fast northward; (4) the eruption of most continenlal flood basalts in the world has little to do with subduction process. It appears that the eruption of the Emeishan basalts was due to the regional upwelling of the mantle in the western margin of the Yangtze Block and neighboring area during the Late Paleozoic, eventually resulting in the splitting and separation of the relavant continental blocks.

本文对峨眉山玄武岩产于弧后扩张环境的论点提出了质疑。主要论据是:(1)近年来的调查表明,与此相关的金沙江—哀牢山俯冲带(及甘孜—理塘俯冲带)在海西—印支期是向西而非向东消减的;(2)从峨眉山玄武岩的主要和微量元素成分中未探查出可靠的来自消减带的组分;(3)古地磁的观测结果说明,晚二叠世扬子地块位于南半球很靠近赤道的低纬地区,此后扬子地块即迅速向北漂移;(4)世界上绝大多数大陆溢流玄武岩的形成与消减过程无关。因此,作者认为,峨眉山玄武岩的成因与消减作用无明显关系,它的喷发很可能是由于古生代末扬子地块西缘及邻区的地幔区域性上涌,从而导致了有关陆块的破裂和分离。

Four U Pb zircon ages ranging 123~130Ma for the Zhujiapu, Jiaoyan gabbro and Xiaohekou pyroxenite gabbro intrusions in the Dabie Mountains suggest that these mafic ultramafic intrusions are of the post collisional origin and crystallized in the Cretaceous. In view of that the Cretaceous granitic dykes cut across the mafic ultramafic intrusions, the large scale Cretaceous magmatic event in the Dabie Mountains was initiated by partial melting of the mantle in depth, which may be caused by upwelling of...

Four U Pb zircon ages ranging 123~130Ma for the Zhujiapu, Jiaoyan gabbro and Xiaohekou pyroxenite gabbro intrusions in the Dabie Mountains suggest that these mafic ultramafic intrusions are of the post collisional origin and crystallized in the Cretaceous. In view of that the Cretaceous granitic dykes cut across the mafic ultramafic intrusions, the large scale Cretaceous magmatic event in the Dabie Mountains was initiated by partial melting of the mantle in depth, which may be caused by upwelling of the mantle beneath the Dabie Mountains at that time.

大别山北部祝家铺、小河口和椒岩三个辉石岩辉长岩侵入体的锆石给出四个 U Pb 谐和年龄,范围均在123 ~130 Ma 之间。这表明这些基性/ 超基性侵入体是碰撞后成因的。由于白垩纪花岗岩脉普遍穿切这些辉长岩体,说明大别山白垩纪大规模岩浆事件,是从深部地幔部分熔融开始的,其热动力可能源于地幔上涌。

The Mg’ contents of protomagma in Nanpu Sag are mainly 0.65~0.75.The incompatible elements of rare earth and trace elements are rich and compatible elements are deficient.This suggests that the protomagma was controlled by the fusion of upper mantle source rock.The structural sequences of stretch rift basin is usually composed of coarse grain sequence in the bottom,volcanic rock bearing sequence in the lower part,deep water sequence in the mid part and filling sequence in the upper part.Nanpu Sag could be...

The Mg’ contents of protomagma in Nanpu Sag are mainly 0.65~0.75.The incompatible elements of rare earth and trace elements are rich and compatible elements are deficient.This suggests that the protomagma was controlled by the fusion of upper mantle source rock.The structural sequences of stretch rift basin is usually composed of coarse grain sequence in the bottom,volcanic rock bearing sequence in the lower part,deep water sequence in the mid part and filling sequence in the upper part.Nanpu Sag could be divided into 6 sequences accordingly.The third and fourth sequences controlled the distribution of the two main petroleum systems of the sag.The formation mechanism of the sag was related of the upwelling of the mantle,and was controlled by the evolution model of active rift.

南堡凹陷原生岩浆的Mg’值大部分分布在 0 6 5~ 0 75之间 ;稀土和微量元素中不相容元素富集、相容元素亏损。由此说明该区火山岩受控于上地幔源岩的部分熔融作用。伸展裂谷型盆地的构造层序由下而上一般由底部粗粒层序组、下部含火山岩层序组、中部深水层序组和上部充填层序组组成 ,南堡凹陷据此可划分出 6个构造层序 ,其中第三、四构造层序控制了南堡凹陷两期主要的含油气系统分布。南堡凹陷盆地形成机制主要与地幔上涌作用有关 ,受控于主动裂谷演化模式

 
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