Traveling through a volcano: How pre-eruption collisions affect what exits a volcano
Monday, July 23, 2012 - 10:31
in Earth & Climate
Scientists widely believe that volcanic particle size is determined by the initial fragmentation process, when bubbly magma deep in the volcano changes into gas-particle flows. But new research indicates a more dynamic process where the amount and size of volcanic ash actually depend on what happens afterward, as the particles race toward the surface.