Magma pancakes underlie Toba supervolcano

Giant eruptions from so-called supervolcanoes eject tremendous volumes of lava and ash, but details about the source of all that volcanic material have been unclear. Now, a new study has found that magma reservoirs intrude into the crust under volcanoes over millions of years in the form of multiple horizontally oriented chambers stacked on top of each other, like a stack of pancakes.

 

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Mary Caperton Morton

Mary Caperton Morton

Morton (https://theblondecoyote.com/) is a freelance science and travel writer based in Big Sky, Mont., and an EARTH roving correspondent.  

Wednesday, March 11, 2015 - 06:00