Andesiticbasaltic eruption cycles usually begin with effusive facies and end with volcanogenitic sedimentary facies.

中基性岩多以喷溢相开始、火山沉积相结束；

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Andesiticbasaltic eruption cycles usually begin with effusive facies and end with volcanogenitic sedimentary facies.

中基性岩多以喷溢相开始、火山沉积相结束；

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