slow-spreading ridge 慢速扩张脊
Ultraslow-spreading ridge 超慢速扩张洋脊
slow-ultraslow-spreading ridge 慢速
spreading ocean ridge 扩张的洋脊
Its tectonic environment may be the spreading ridge of a small oceanic basin at the start.
其构造环境可能为小洋盆初始扩张时的扩张脊。
The hotspot has pushed the spreading ridge up to the surface and supplemented its activities with some extra volcanism on the side.
热点把扩展脊推出海面并且通过一些边上的额外的的火山活动补充其活动。
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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