At least 8 volcanic eruptions are recognizable in Quaternary volcanic rocks distributed in the Haikou area, Hainan Province.
广泛分布于海南省北部的第四纪火山岩，至少有8次喷发活动。
At least 8 volcanic eruptions are recognizable in Quaternary volcanic rocks distributed in the Haikou area, Hainan Province.
广泛分布于海南省北部的第四纪火山岩，至少有8次喷发活动。
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