Ash layers, lava flows, pyroclastic deposits and other volcanic products exposed on the steep caldera walls of Santorini. Image courtesy of Dimitris Sakellariou, Hellenic Center for Marine Research.
Ash layers, lava flows, pyroclastic deposits and other volcanic products exposed on the steep caldera walls of Santorini. Image courtesy of Dimitris Sakellariou, Hellenic Center for Marine Research.