Volcanic plumbing at mid-ocean ridges goes far deeper than thought
Wednesday, October 22, 2014 - 06:00
in Earth & Climate
(Phys.org) —Two-thirds of earth's surface is covered in oceanic crust, but the deep plumbing that generates new crust remains poorly understood. New images from a chain of volcanoes beneath the Pacific Ocean show that magma may be erupting from a multi-layered magma chamber extending two miles or more beneath the seafloor, far deeper than originally thought.