裂陷作用也控制着弧后盆地的形成。
Rifting played an important role in formation of the back arc basins.
马里亚纳海槽是一个正在扩张的弧后盆地。
冲绳海槽仍是一个软流圈在汇聚的弧后盆地。
The Okinawa Trough is a back arc basin still driven by the converging asthenosphere.
内蒙朝克山蛇绿岩地球化学:洋内弧后盆地的产物?
Geochemistry of the Chaokeshan ophiolite: Product of intra-oceanic back-arc basin?
介于前缘弧和欧亚大陆之间的是众多的残余弧和弧后盆地。
Many residual arcs and back arc basins exist between the frontal arc and Eurasia continent.
晚二叠世末,该地区变成弧后盆地,进一步转化成前陆盆地。
The late Permian it was changed into the back arc basin, and transformed into foreland basin.
它是早古生代末古亚洲洋南缘弧后盆地俯冲闭合事件的产物。
It is the product of the subduction and closing of a backarc basin on the southern margin of the Paleo-Asian Ocean at the end of the Early Paleozoic.
松辽盆地中生代火山岩特征反映了该盆地为弧后裂谷盆地的性质。
The characteristics of the Mesozoic volcanic rock in the Songliao Basin reflect that this basin is a backarc rift basin.
该矿床产于弧后扩张盆地的勉戈组流纹岩中,受韧性剪切带控制。
The deposit occurs in the rhyolite area of Miange Formation within the back_arc spreading basin and is controlled by a shearing belt.
以较高的灵敏度和抗干扰能力测得了扩散型真空电弧的弧后电流值;
It is suitable for diffused vacuum arcs and of fairly high sensitivity and good anti-interference ability.
初步总结了岛弧-弧后盆地体系中的层序地层主控因素相互作用的规律。
The interaction of the main factors controlling the formation of sequence stratigraphy in arc and back arc basin systems was primarily summarized.
晚白垩世晚期—始新世,火山岛弧向东移动,东海陆架盆地变为弧后盆地。
During late late Cretaceous-Eocene, volcanic island arc moved eastward and the east China Sea shelf basin was turned into a back-arc basin.
其沉积—构造演化可划分为三个阶段:大陆边缘裂谷、弧后裂谷和拗陷盆地。
Tectono -sedimentary evolution of the basin may be divided into three stages: continental margin rift, back-arc rift, and depression basin.
新生代,东北地区作为太平洋板块俯冲带的弧后地区,形成了典型的弧后裂谷盆地。
In Cenozoic typical back-arc rift basins are formed in ne China where is the back-arc area of Pacific plate subduction zone.
通常形成于弧后或岛弧环境下的同长英质火山岩有关的块状硫化物中的金含量较高。
The massive sulfides related to felsic volcanic rocks in the back-arc and island arc environments have higher content of gold. According to a vast amount of geo chemical research...
在海沟后侧的弧后盆地的火山中,此处是一个板块俯冲到另一板块的地方,也发现了该类通道,。
They are also found in volcanic “back-arc” basins behind ocean trenches, where one tectonic plate is sliding beneath another.
结果显示,在海沟及其洋侧冷的软流层发生了大规模的沉降,而弧后热的软流层则强烈抬升。
The conversion result shows that the cold asthenosphere sinks in large scale along trenches and ocean-sides and hot asthenosphere rises greatly along the arc-back area.
分析了真空电弧的引燃过程和起弧后等离子体的扩散过程以及纵向磁场对等离子体扩散的影响。
The vacuum arc ignition process, the plasma diffusing and the axial magnetic field effect are also analyzed.
在晚古生代岛弧带、弧前海沟带、弧后盆地或陆缘活动带等构造环境下发育有不同的火山岩组合。
Under the tectonic backgrounds of island arc belt, fore - arc trench belt, back - arc basin, and epicontinental active belt of late Paleozoic, it has different volcanic rock characteristics.
二郎坪群弧后盆地在海底喷流作用下形成了不同成矿元素组合的铜-锌型和铅-锌型两种矿床类型。
Copper zinc type and lead zinc type deposits with different ore elements were formed in Back arc basin of Erlangping Group by sea bottom spout.
通过对该蛇绿岩带地质及岩石地球化学特征等进行了论述,认为其形成于近弧的弧后盆地扩张脊环境。
This paper discusses the feature of geology, lithogeochemical of this ophiolitic belt, so the ophiolite is produced from near the back-arc basin spreading ridge.
从微量元素、稀土元素、同位素等方面论证了霍各乞矿田中元古宙为大陆边缘弧后裂谷盆地构造环境。
The studies of microelement, rare earth element and isotope compositions that the Huogeqi polymetallic ore field was formed in rift basin of back arc continental marging during Proterozoic Era.
冲绳海槽是当今世界上唯一的在大陆边缘张裂形成的、处于早期演化阶段的活动性大陆边缘弧后盆地。
The Okinawa Trough (OT) is the solitary active backarc basin in the world that is formed by extensional rifting in the continental marginal zone and is in the early stage of evolution.
中三叠个旧组以白云岩、灰岩和泥岩为主,属于个旧-那坡弧后裂谷盆地热沉降背景下形成的沉积序列。
Gejiu Formation in Triassic was mainly comprised of dolomite, limestone and mudstone, belonging to the sedimentary sequences of Gejiu-Napo back-arc rift basin under the regime of thermal subsidence.
中国东北火山形成很可能属于这种后撤俯冲、远离海沟陆内弧后引张、地幔热物质上涌、减压熔融的情况。
Volcanism in northeastern China is likely a product of such retreat of subduction, far field back-arc extension, and melting due to reduce of pressure while mantle upwelling.
本次工作所发现的弧后大陆边缘伸展方向和大洋板块运动方向相吻合,支持弧后拉张机制应为板片后退模式。
The coupling relation between the directions of the overriding plate extension and oceanic plate motion supports the slab rollback model for the back-arc extension.
在此基础上,对小孔等离子弧焊接热场进行了有限元计算,分析了引弧后熔池及周围温度场的瞬时演变过程。
Based on TPAW, finite element calculation of temperature field in keyhole plasma arc welding is conducted, and.
耦合弱的特点与俯冲板块年龄小、抗挠强度弱、俯冲角度大、海沟后撤、岛弧裂离和弧后拉张等特点是一致的。
The weak couplings are in agreement with such tectonic features as young subduction slab, weak flexure strength, large subduction Angle, trench retreating, arc rifting and backarc extension.
耦合弱的特点与俯冲板块年龄小、抗挠强度弱、俯冲角度大、海沟后撤、岛弧裂离和弧后拉张等特点是一致的。
The weak couplings are in agreement with such tectonic features as young subduction slab, weak flexure strength, large subduction Angle, trench retreating, arc rifting and backarc extension.
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