Lobes of advancing basaltic trachyandesite pahoehoe lava
Lobes of basaltic trachyandesite pahoehoe lava slowly advance upslope onto ash covered snow. A small wisp of steam is visible at the right side of the lava-snow contact in the Toludskoye lava field, which is in the southeastern part of the newly formed Tolbachik lava field.
Ben Edwards, a professor of Earth sciences at Dickinson College in Carlisle, Pennsylvania, was funded by the National Science Foundation (NSF) through a RAPID (Grant for Rapid Response Research) grant (EAR 1321648) to study lava-snow interactions and their eruptive products of Tolbachik. (Date image taken: April 2013; date originally posted to NSF Multimedia Gallery: May 30, 2019)
Credit: Benjamin R. Edwards
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