Mauna Kea Adz Quarry (U.S. National Park Service)
Basalt adze quarries were well known throughout the Hawaiian Islands. Because of the extremely high quality and large quantity of basalt on this part of Mauna Kea, the Mauna Kea Adz Quarry was the main area for adze production on the Island of Hawai'i. Radiocarbon dating indicates that the quarry was being used by 1000 A.D. with more intensive ...
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