Volcanic Ash Particles Hold Clues to Their History and Effects
Volcanic ash is a spectacular companion of volcanic activity that carries valuable information about the subsurface processes. It also poses a range of severe hazards to public health, infrastructure, aviation, and agriculture, and it plays a significant role in biogeochemical cycles.
Scientists can examine ash particles from volcanic eruptions for clues to the history of their journey from the lithosphere (Earth’s crust and upper mantle) to the atmosphere, hydrosphere, and biosphere ... (read more on eos.org)
(report by Gholam Ali Hoshyaripour, published online 3 April 2017)