island arc

La Th Sc and Th Sc Zr/ 10 discriminatory diagrams suggested that LF shales were formed in a tectonic setting of continental island arc, and the island arc might locate south margin of the studied area.

La Th Sc和Th Sc Zr10判别图清楚地表明，刘老碑组页岩形成于大陆岛弧构造环境，岛弧可能位于研究区的南部边缘。

Elsewhere, two plates may shift toward each other and converge along a 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.

Au ( Cu, Ni, Cr) subseries related to Na-rich and high-alkaline basalt and tholeiite of paleozoic arc island(ⅱ);

古生代岛弧区与富钠高碱玄武岩拉斑玄武岩有关的Au（Cu、Ni、Cr）成矿亚系列；

Acid intrusions of Late Caledonian or Early Variscian Epoch result from island arc magmatism.

加里东晚期或华力西早期侵位的酸性侵入岩为岛弧环境产物.

Magma action at early and middle Carboniferous epoch was controlled by B-type subduction, occured at the inner side of continental island arc.

早中石炭世阶段的岩浆活动受控于B型俯冲作用，形成于大陆型岛弧的内侧。

It is shown from the test results that the hydrothermal sulfide sampled from the Esmeralda caldera of the Mariana Island Arc is the representative of high temperature products with a formation temperature of 275 ℃;

结果表明：马里亚纳岛弧上的埃斯梅拉尔达破火山口的热液硫化物的形成温度最高（达275℃），而成为高温产物的代表；

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、岛弧拉斑系列或钙碱系列火山岩、蛇绿岩等。

It was generally an active epicontinental environment on the side of the continent, and somewhat had characteristics of the transition from the island arc to the continent.

总体上为大陆一侧的活动陆缘（或大陆弧）环境，具有由岛弧向大陆过渡的迹象。

The eclipse drew an arc across the open sea and uninhabited atolls, making its main landfall on remote Easter Island.

日食在开阔的海域和无人居住的环礁划出一条弧线，日落则在偏远的复活节岛。

Subducted Continental Arc: Geochemical and Isotopic Evidence of Gneisses in the North Qaidam The discrimination between continental basalt and island arc basalt based on geochemical method

俯冲的大陆岛弧&柴北缘片麻岩的地球化学和同位素证据利用地球化学方法判别大陆玄武岩和岛弧玄武岩

It is the suture zone between Qinling and Yangtze plates. It is a tectonic melange, consisting of tectonic blocks of ultrabasic rocks, gabbros ( accumulative gabbros), diabasic dike swarms, mid& ocean ridge basalts and island arc volcanic rocks.

它是秦岭与扬子之间的缝合带，为一典型的蛇绿构造混杂带，由超基性岩、辉长岩（堆晶辉长岩）、辉绿岩墙群、洋脊玄武岩和岛弧火山岩构成。

The result of this research indicates that the tectonic setting where the provenance is most from the oceanic island arc and a few from the continental island arc, the studying area is a basin round oceanic island arc.

结果显示，晚三叠世巴颜喀拉山群物源主要来自大洋岛弧，少量来自大陆岛弧，表明当时研究区处于邻近大洋岛弧的周缘前陆盆地环境。

The former is the boundary line of Zhongdian Island Arc Belt and Yangtze Platform;

前者是中甸岛弧带与扬子地台的构造分界线，而后者则将岛弧带内的东、西两个火山岛弧带分开。

Detailed research suggests the following tectonic evolution model: Thermal metamorphism was related to intra island arc tension, while regional faulting metamorphism was caused by A type subduction in the process of collisional orogeny. Phenomenon

这一研究反映了哈尔里克泥盆纪火山岛弧经过了由拉伸作用到碰撞挤压造山引发的A型俯冲作用演变过程，并产生了上述相应的变质现象

Pengxian deposit and the Masongling Formationformation are products of island arc volcanism in convergent plate boundary.

证据表明,马松岭组及其所赋存的铜矿床均为会聚性板块边界古火山岛弧的产物.

The sedimentary tectonic setting during Mesozoic was mainly the continental island arc, and in Trias& Jurassic sometimes was the stable-passive continental margin. And in the period of early Cretaceous the setting was more active, sometimes with the characteristic of the active continental margin.

3中生代时期，构造环境复杂，大陆岛弧型为主，三叠纪&侏罗纪期间处于转型期，兼有稳定的被动大陆边缘型特征，早白垩世兼有活动大陆边缘型特征，构造环境更为活化。

In the area mainly come from the crust and mantle magma mixing and mantle-derived melt; basic volcanic rocks formed in island arc and active continental margin environment.

该区岩浆主要来源于壳慢混熔和幔源；火山岩基本形成于岛弧和活动大陆边缘环境。

Chinese Officials and Ryukyu 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。

Yamansu iron deposit is located near continental crust of the island arc zone.

矿床位于岛弧带近陆壳一侧。

The north Qilian area is one of important metallogenic belt of China, and it is composed of microcontinent, ophiolite, m é lange belt, ocean ridge and ocean island volcanic rocks, island arc volcanic rocks and island arc sediment rocks.

北祁连是我国重要的成矿带之一，其主要构造单元由微陆块、混杂岩带、蛇绿岩、洋脊&洋岛火山岩、岛弧火山岩及岛弧型沉积岩组成。

The REE distribution patterns with high value of Σ REE, enrichment of LREE and incline to the right are similar to the island-arc tholeiite.

稀土含量特征及球粒陨石标准化模式与岛弧拉斑玄武岩的特征相似，w（∑ree）值高，且富轻稀土，稀土配分模式为右倾型。

Mount Pelee ( Montagne Pelee in French, which translates to Bald Mountain) stands on the small island of Martinique, which is in the island arc of the Lesser Antilles in the Caribbean: an area known for frequent volcanic and seismic activity.

培雷火山（法语名Montagne Pelee，意为秃头山）坐落在名为马提尼克的小岛上。马提尼克岛是加勒比海小安地列斯群岛的岛弧：这一带因其频繁的火山和地震活动而闻名。

Metamorphic basement of the jiangnan Proterozoic Paleo-island arc mainly consists of low-grade metamorphic volcanic sedimentary rocks.

江南元古宙古岛弧的基底变质岩主要由浅变质的岛弧火山—沉积岩系组成.

The arc magmatic rocks are dominantly composed of intermediate-acid intrusive rocks and volcanic rocks and have island arc rock associations and geochemical affinities.

弧火成岩主要由中酸性侵入岩和火山岩组成，具岛弧性质的岩石组合和岩石地球化学特征。

According to the characteristics and the related diagram of major element, they are close to the active continental margin and island arc environment, which are same as the tectonic environment of volcanic rock.

常量元素分析与相关图解接近活动大陆边缘和大陆岛弧环境，与火山岩的大地构造环境具有相同的结论。

At space, the content of potassium oxide ( K_2O) is as many as that of the basalt of Japan Sea rift belt, but is much higher than that of Japan Island arc.

在空间上，K2O的含量大体与日本海裂谷带玄武岩相当，而远远高于日本岛弧玄武岩的含量。

Since the Chilean earthquake of Mar-ch 1985, the seismic belt along the west coast of the North and South American conti-nents and Oceanic Island Arc belts between the Pacific and Indian Oceans have been the main sites of the global seismicity.

自1985年3月智利地震以来，美洲西海岸地震带和大洋岛弧带一直是全球地震活动的主要场所。

The discrimination between continental basalt and island arc basalt based on geochemical method

利用地球化学方法判别大陆玄武岩和岛弧玄武岩

On the formation and evolution of the Mesozoic-Cenozoic active continental margin and island arc tectonics of the Western Pacific Ocean

西太平洋中、新生代活动大陆边缘和岛弧构造的形成及演化

Also Pb/ Ce ratio is higher than island arc basalt and continental crust.

蛇纹石化橄榄岩的Pb／Ce比值远高于岛弧玄武岩和大陆地壳。