Mayor Island (Tuhua) is the top of a 700-m-high volcano with a 3-km-wide caldera forming much of the surface. Lava domes and flows have been emplaced across the island, with those seen here interbedded with obsidian layers.

Photo by Janine Krippner, 2007.

This image is made available under the Creative Commons BY-ND 4.0 license terms.

Keywords: obsidian | lava flow | cooling joints

Mayor Island