Global Volcanism Program | Image GVP-12853
Once the lava began to drain from a 2012-13 Tolbachik lava tube the dripping lava formed these structures on the ceiling, with minerals forming across the surfaces.
Photo by Janine Krippner, 2015.
This image is made available under the Creative Commons BY-ND 4.0 license terms.
Keywords: lava tube | lava flow | mineral deposit