paleo-arc

英 [peɪ'liːəʊ'ɑːk] 美 [peɪ'liːəʊ'ɑːk]

• 古岛弧

paleo-arc的用法和样例：

例句

1. This area was in an arc and rear-arc basin on convergent plates in the Middle Devonian.
   其岩石化学及地球化学显示岛弧火山岩特征。
2. Most of the islands are part of a geologically unstable and volcanically active island arc.
   多数岛屿在地理上都是不稳定的火山活动岛弧。