island arc

岛弧

常用释义

词性释义

岛弧:一系列火山岛屿,通常呈弧形排列,位于大洋板块与陆地板块交汇处的地区。
例句
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Sediments washed into the basin from both the fore-arc ridge and island arc weigh down the crust in this area, creating the depression.
沉积物被从两侧的弧前脊和岛弧冲到盆地,使该处地壳承重增加,形成洼地。
The Kuril Island chain is built from a line of volcanoes, an island arc, that extends from Russia's Kamchatka Peninsula to northern Japan.
千岛岛链是一条从俄罗斯的堪察加半岛延伸到日本北部的由一排火山组成的岛弧。
The tectonic setting is the combination of island arc related to a continent and an active continental margin.
沉积构造背景以大陆岛弧为主,兼有活动陆缘的性质。
志留-泥盆纪岛弧火山建造具备形成斑岩铜矿的有利背景;
裂谷型和岛弧型火成岩并存,构筑了多种类型的储集体。
而海峡所在海域是一块弧前盆地,即弧前脊和岛弧之间的凹槽(洼地)。
The island-arc volcanic rocks are observed in the Upper Triassic Rola Kangri Group.
新发现上三叠统若拉岗日群岛弧相火山岩;
岛弧和洋中脊火山岩都明显来自地幔然而他们有不懂的组成。
The result suggests that the protolith of amphibolite in Baoyintu Group was basalt which formed in the island-arc environment.
结果表明,宝音图群中斜长角闪岩原岩为岛弧环境中形成的玄武岩。
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。
Island-arc pluton consists of diorite to granite, which formed in Ordovician.
岛弧深成岩成分变化较大,由闪长岩变化到花岗岩,成岩时代为奥陶纪。
在别的地方,两块板块又可能相向移动而沿着深海沟和岛弧逐渐聚合。
Sumatra itself is part of an island arc.
苏门答腊岛本身就是岛弧的一部分。
天山晚石炭世晚期蛇绿岩与岛弧火山岩等。
二叠纪至三叠纪地层中安山岩、英安岩的发现,证实了岛弧火山岩的存在;
桐柏北部黄岗侵入杂岩岛弧构造环境的厘定
西秦岭天水地区岛弧型基性岩浆杂岩的地球化学特征及形成时代
青藏高原安多岛弧型蛇绿岩地球化学及成因
中甸岛弧带构造格架及斑岩铜矿前景
Island arc north of the Tarim-SK plate: the geology and geochemistry of Gongpoquan Group
塔里木-中朝板块北缘的志留纪岛弧公婆泉群火山岩地质地球化学及构造意义
1·We found that sequence IV, which is Pliocene sediments, only exists in the slope and island arc slope and not distributes in the trough basin.
层序IV,在陆坡和岛弧地区都有分布,但是在海槽盆地内部区域缺失该层序,为上新世沉积物。
2·The Tertiary basins associated with the Middle Cenozoic island arc located in the present continent shelf have the resource potential accounting for over 10% of the total.
其次为与中新生代岛弧有关的位于现今大陆架的第三系盆地,资源潜力约占10 %以上。
3·The Saertohai regional ophiolites demonstrated by discrimination diagram of trace elements and rare earth elements belong to island arc type, and are consistent with the geological background.
萨尔托海蛇绿岩由稀土和微量元素图解表明属岛弧型蛇绿岩,与地质背景一致。
4·Nan-Jin-Shan Gold Deposit occurs in marine pyroclastic rock in Bei-shan late-paleozoic island arc belt.
南金山金矿床产于北山岛弧构造带内、海相火山碎屑岩之中。
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