The Dakataua Caldera and Crater Lake, PNG Posted by agimarc on 2023-01-15 Posted in: Asia, Volcanoes. Tagged: Andesite, Caldera, Dakataua, hydrothermal, New Britain, Obsidian, Talasea, Willaumez. 1 Comment Dakataua caldera and lake. Screen capture via Google Maps Continue Reading
Does a Caldera Form the Islands of the Four Mountains, Alaska? Posted by agimarc on 2023-01-01 Posted in: America N, Volcanoes. Tagged: Aleutians, Andesite, Caldera, Carlisle, Cleveland, hydrothermal, ignimbrite, Islands of Four Mountains, Tana. Leave a comment Islands of the Four Mountains with volcanoes named. Image courtesy Quantum Spatial Photo, via Power, et al, Dec 2020 via Volcano Discovery Continue Reading
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