A high-pressure form of ice, trapped within diamonds forged in the lower mantle, suggests that aqueous fluids reside deeper in Earth than we knew.
Earth’s interior
Posted inResearch Spotlights
Widespread Mantle Upwelling Beneath Oceanic Transform Faults
A global characterization of mantle flow patterns beneath active oceanic transforms suggests pervasive upwelling stabilizes divergent plate boundaries by warming and weakening these enigmatic features.
Posted inEditors' Highlights
Tracking Deep-Earth Processes from Rapid Topographic Changes
Rapid elevation-rise in Turkey, tracked by marine sediments that now sit at 1.5 km in elevation, is linked to deep-Earth processes that can explain short-lived, extreme rates of topographic change.
Posted inEditors' Highlights
New Thermodynamic Model for Computing Mantle Mineralogy
A newly developed open-access software package called MMA-EoS can calculate whole mantle mineralogy in multicomponent systems by Gibbs energy minimization.
Posted inAGU News
Brian Kennett Receives 2017 Inge Lehmann Medal
Brian Kennett was awarded the 2017 Inge Lehmann Medal at the American Geophysical Union Fall Meeting Honors Ceremony, held on 13 December 2017 in New Orleans, La. The medal is for “outstanding contributions to the understanding of the structure, composition, and dynamics of the Earth’s mantle and core.”
Posted inResearch Spotlights
Probing the Grain-Scale Processes That Drive Plate Tectonics
New experimental data suggest that rock composition may play a critical role in forming and perpetuating shear zones.
Posted inNews
Richard J. O’Connell (1941–2015)
This son of a Montana sheriff discovered the fundamental rules underlying complex geophysical phenomena, and he taught others to do the same.
Posted inAGU News
Booker Receives 2017 William Gilbert Award
John R. Booker will receive the 2017 William Gilbert Award at the 2017 American Geophysical Union Fall Meeting, to be held 11–15 December in New Orleans, La. The award recognizes “outstanding and unselfish work in magnetism of Earth materials and of the Earth and planets.”
Posted inEditors' Vox
Competing Models of Mountain Formation Reconciled
The author of a prize-winning paper published in Geochemistry, Geophysics, Geosystems describes new insights into crustal mechanics and the formation of the Himalaya.
Posted inScience Updates
Earth's Wobbly Path Gives Clues to Its Core
Understanding the Earth Core and Nutation; Brussels, Belgium, 19–21 September 2016