The eastward or southeastward mantle flow resulting from the collision of IndiaEurasia probably pushed rollback of slabs east and southeast to east Asian continent, further causing backarcspreading.
This paper discusses the feature of geology, lithogeochemical of this ophiolitic belt, so the ophiolite is produced from near the back-arc basin spreading ridge.
通过对该蛇绿岩带地质及岩石地球化学特征等进行了论述,认为其形成于近弧的弧后盆地扩张脊环境。
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The Mariana Trough is an active spreadingback-arc basin.