Columnar jointing provides clues to cooling history of lava flows
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Colonnades in a basaltic lava flow downstream of Boiling Pots on the Wailuku River. Photo courtesy of James Anderson, UH-Hilo.
Colonnades in a basaltic lava flow downstream of Boiling Pots on the Wailuku River. Photo courtesy of James Anderson, UH-Hilo.