弧间盆地
- 网络inter-arc basin;inter arc basin;interarc basin
弧间盆地-
第三组火山岩形成于弧间盆地，由亏损的地幔楔高度部分熔融形成比N-MORB亏损的的火山岩（异常MORB）。
The third group of volcanic rocks ( VTG-III ) consists of highly depleted MORB-type lavas , and is believed to have been generated by partial melting of the depleted mantle wedge in an inter-arc basin .
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热水流体系统和贱金属成矿作用发育于义敦岛弧碰撞造山带上的弧间裂谷盆地内，并受其内部的一系列局限盆地及SN向基底断裂－裂隙系统控制。
The hydrothermal fluid system and base metallic mineralization were developed in interarc rift basins of Yidun arc-collision orogenic belt . The emplacement of orebodies was controlled by a series of restricted basins and SN-trending fault-fissure systems .