Jeju Island is a Live Volcano (IMAGE)

Korea Institute of Geoscience and Mineral Resources (KIGAM)

Jeju Island is a Live Volcano

Caption

These are pictures of the sedimentary layer containing charcoal found on a stony mountain developing site in Sangchang-ri, and the carbonized wood sample used for the radiocarbon dating. Thick lava covers the upper gravel layer.

Credit

KIGAM

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