岛弧火山岩
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island-arc volcanics 岛弧火山岩
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。
·2,447,543篇论文数据，部分数据来源于NoteExpress
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；
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