Water-induced depolymerization enhances fluid mobility in deep Earth, offering new insights into magma transport and isotope signatures in arc lavas.
lava & magma
Posted inEditors' Highlights
Deflected Dikes Perturb the Plumbing System
A multidisciplinary synthesis of the Campi Flegrei, Italy volcanic setting highlights the importance of sub-caldera layering for magma dynamics.
Posted inEditors' Highlights
Martian Magmas Live Long and Prosper
The depths, longevity, and potential to generate silicic compositions of magma chambers are linked to crustal temperature, which varies across Mars and over its geological history.
Posted inEditors' Highlights
Seismic Images Show Major Change Along the Mid-Atlantic Ridge
New seismic images of the Lucky Strike slow-spreading segment of the Mid-Atlantic Ridge show thick lower crust at the center that thins in both along-ridge directions.
Posted inScience Updates
The Deep Frontier of Mantle Magma Supply
Compared with crustal magma systems, little is known about the deep sources of volcanic supply chains. Interdisciplinary efforts can help answer key questions about how magma migrates from the mantle.
Posted inEditors' Highlights
Hawai’i’s Depleted Peridotite Delivers More Magma
The source for the isotopically-enriched Hawaiian magmas contains peridotites that experienced near-surface melting prior incorporation in the plume.
Posted inResearch Spotlights
Water Stored in the Mantle for Millions of Years May Be Linked to Continental Volcanism
New research shows that intraplate volcanism is more likely to occur over areas of the mantle that are more hydrated—particularly those that have been hydrated for a long, long time.
Posted inEditors' Highlights
Observing Magma-Induced Seismic Velocity Changes with Fiber-Optics
A new high-resolution method for tracking volcanic activity utilizes fiber-optic sensing to detect magma intrusion by measuring seismic velocity changes.
Posted inNews
Magma Beneath Yellowstone Is Shifting Northeast
Though the volcano’s magma chambers could hold enough material for a caldera-forming event, none of them are likely to erupt soon.