island-arc type岛弧型
island-arc belt岛弧带
Haerlike island-arc火山岩地球化学
island-arc岛弧
island-arc trench岛弧海沟
island-arc background岛弧背景
volcanic island-arc火山弧
island-arc granite岛弧花岗岩
island-arc granitoid岛弧花岗岩
The far and adjacent wallrocks have similar geochemical characters and indicates that they were island arc volcanics.
远矿围岩和近矿围岩具有相似的地球化学特征,属于岛弧火山岩。
参考来源 - 东天山土屋斜长花岗斑岩的成因——来自围岩的证据With previous results, theGuanjiagou Group is in Bekou forearc basin and it is presumed that thesedimentary detritus was from eastsouthern island arc.4.
结合前人成果,关家沟组位于碧口弧前盆地,推测关家沟组内的沉积物主要来自南东向的岛弧环境。
参考来源 - 基于GIS的区域环境分析决策系统及其在北京市城近郊区的应用N(名词) an arc-shaped chain of islands, such as the Aleutian Islands or the Japanese Islands, usually lying at the edge of a Benioff zone, indicating volcanic activity where the oceanic lithosphere is descending into the earth's interior 弧形列岛