Island arcs form along an active boundary between two tectonic plates, with one being driven beneath the other (subduction).
岛弧形成于两个板块之间的活跃边界上，其中一块会被推挤到另一块的下方(称之为“消亡”)。
The Japanese archipelago is located on the so-called Pacific Rim of Fire, a large active volcanic and tectonic zone ringing North and South America, Asia and island arcs in Southeast Asia.
日本列岛坐落在“环太平洋火山带”上，这是一个环绕南北美洲、亚洲和东南亚列岛的火山活跃带和大地构造带。
Fluid released during the high pressure and ultrahigh pressure metamorphism plays an important role in the evolution of subducted slab and may connect directly with igneous activity in island arcs.
在高压超高压变质作用过程中所释放的流体对俯冲板块的演化起着重要作用，与岛弧岩浆活动有着直接联系。
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