island-arc belt

基本解释

The Aqishan-Yamansu island-arc belt occurred on a wide continental shelf sea in the Visean Stage.
阿齐山-雅满苏岛弧带于维宪期发育在广宽陆棚海之上。
The main regions of seismic activities were the seismic belt of the northwest margin of the Pacific Ocean and the Oceanic island-arc seismic belt.
主要活动地区是太平洋西北边缘地震带和大洋岛弧地震带。
The pattern of the existence of these polyphase and multi-stage telescoping mineralizations and many deposit types in the same belt shows the great ore potentials in the Gangdise island-arc belt.
这些多期、多阶段复合叠加成矿作用和多种矿床类型的“同带共存”格局，展示了冈底斯岛弧带的巨大找矿潜力。

岛弧带
The basement of the basin is likely to go through such processes before Permian period: the diving of ocean,the hyperplasia of island arc,then the collision of continents,and it is an active island arc belt.
盆地前二叠纪基底可能经历了洋盆俯冲、岛弧增生、陆块碰撞的造山作用过程，基底属于活化基底岛弧带。