Okinawa ocean trough and Ryukyu island arc were formed in late Miocene.
中新世晚期，冲绳海槽和疏球岛弧形成。
A basin situated within an island arc and typically containing sediments rich in volcanic debris.
一种位于岛弧内的盆地，经含富火山碎屑的沉积物为典型。
Elsewhere, two plates may shift toward each other and converge along a deepsea trench and island arc.
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。
Elsewhere, two plates may shift toward each other and converge along a deepsea trench and island arc.
在别的地方，两块板块又可能相向移动而沿著深海沟和岛弧逐渐聚合。
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。
Both island arc and mid-ocean ridge magmas apparently come from the mantle yet they have different compositions.
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 Kalaxianger porphyry copper deposit(belt)is located in a Late Paleozoic island arc on the southern margin of the Altay Mountains.
卡拉先格尔斑岩铜矿（带）位于阿尔泰东南缘晚古生代岛弧区，含矿斑岩主要为一套中-晚海西期的中酸性斑岩，围岩为中泥盆统北塔山组。
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。
During late late Cretaceous-Eocene, volcanic island arc moved eastward and the east China Sea shelf basin was turned into a back-arc basin.
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。
The spider diagram of trace element ratio and the REE distribution patterns show the characteristics of the island arc calc alkaline series.
微量元素比值蛛网图和稀土元素配分型式具有岛弧钙碱性玄武岩的特征。
There is a typical example for arc-arc collision between the Yidun island arc andShalulishan magmatic arc, or even throughout eastern Tethys.
典型的义敦岛弧与沙鲁里山岩浆弧之间的弧-弧碰撞模式及其外延到整个东特提斯构造域内都是很普遍的。
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。
They mainly formed at tectonic environment of the middle ridge of the oceanic plate, partial are the products of island arc and oceanic islands.
主要形成于大洋板块洋中脊构造环境，部分为岛弧一洋岛环境下的产物。
The Kanggultage gold-copper ore belt is located in the northern late Paleozoic Aqishan - Yamansu island arc belt in the northeast of Tarim plate.
东天山康古尔·塔格金铜矿带位于塔里木板块东北部晚古生代阿齐山—雅满苏火山弧岛带的北缘。
The east slope is slow, and is the inserting side from the northwest Philippine Plate into the Ryukyu Island Arc, connecting with the ocean basin.
东坡（洋坡）缓，是西北菲律宾海板块向琉球岛弧下插的一边，与大洋盆地相连。
According to all of the results, we can concluded that, 1 the seismic sequences developed in the west shelf, trough basin and Ryukyu Island arc are different.
通过分析可以得出如下初步结论：1海槽南部西侧陆架、盆地内部以及琉球岛弧岛坡地震层序是不同的。
The geochemical study on meso basic meta volcanics in Zhangchun group, northeast Jiangxi shows island arc tholeiite is characteristic of low K and high Na contents;
赣东北张村岩群所含之中基性变火山岩的地球化学研究表明：其主元素具低钾高钠；
From the suture line towards the north, an andesite line along Sharburti Mountain was the volcanic island arc developed from middle Ordovician to middle-late Silurian.
由缝合线向北，沙尔布尔提山安山岩线是中奥陶世至中、晚志留世发育起来的火山岛弧。
Their original rocks are volcanic rocks, epicontinental clastic sedimentary rocks, and ophiolite of volcanic and island arc tholeiitic series or calcium alkali series.
其原岩岩石类型有火山岩，陆缘碎屑沉积岩，火山、岛弧拉斑系列或钙堿系列火山岩、蛇绿岩等。
The Middle Ordovician submarine spilite-alkaline volcanic rock association in the Shihuigou area in the Northern Qilian mountains was the product of island arc volcanism.
北祁连山石灰沟地区发育一套完整的奥陶纪岛弧火山岩系。
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。
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...
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。
Lead isotope compositions of ore sulfides suggest multiple sources for the metals that range from the crust to the mantle, with certain amounts derived from the orogen or island arc.
铅同位素组成反映主要来源于造山带或成熟弧环境，上地壳铅也不同程度地提供了成矿物质。
There is not only mosaic structures consisting of small blocks and giant orogenic belts, but also modern continental margin with trenchs, island arc and basins lasting for 20 000 km.
这里不仅有若干小地块与巍峨造山带形成的镶嵌组合，还有以沟、弧、盆并行发育的长达近20000km的现代大陆边缘。
The research result on element isotopes shows that the characteristic of the crust in the Okinawa Trough area is different from that in East China area and the Ryukyu Island Arc area.
元素—同位素研究表明：它不同于中国东部，与琉球岛弧地区的特点也不相同。
The research result on element isotopes shows that the characteristic of the crust in the Okinawa Trough area is different from that in East China area and the Ryukyu Island Arc area.
元素—同位素研究表明：它不同于中国东部，与琉球岛弧地区的特点也不相同。
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