The research, published Jan. 1 in the journal Nature, found ... deep rocks are heating the magma trapped in the crust. That means that while magma under the western side of Yellowstone will ...
Researchers analyzing the supervolcano's crater, or caldera, found magma inside ... Underneath Yellowstone, deep-seated basaltic magma heats the surrounding rock, which helps create rhyolitic ...
Editor’s Note: This story accompanies the May 2016 issue of National Geographic magazine, devoted entirely to America’s first national park. Find more at natgeo ...