Using a technique similar to taking a CT scan of Earth, researchers found the possible remnants of a long-debated “missing” tectonic plate.
Earth’s interior
Posted inAGU News
Pearson and Reid Receive 2019 Norman L. Bowen Awards
Graham Pearson and Mary R. Reid received the 2019 Norman L. Bowen Award at AGU’s Fall Meeting 2019, held 9–13 December in San Francisco, Calif. The award recognizes “outstanding contributions to the fields of volcanology, geochemistry, and petrology.”
Posted inAGU News
Creasy and Wu Receive 2019 Study of the Earth’s Deep Interior Section Award for Graduate Research
Neala Marie Creasy and Wenbo Wu received the 2019 Study of the Earth’s Deep Interior Section Award for Graduate Research at AGU’s Fall Meeting 2019, held 9–13 December in San Francisco, Calif. The award is given annually for advances that contribute to “the understanding of the deep interior of the Earth or other planetary bodies using a broad range of observational, experimental, or theoretical approaches.”
Posted inEditors' Highlights
Unexpected Oceanic Lithosphere-Asthenosphere P-wave Velocities
A peak in seismic P-wave – S-wave velocity ratios at the lithosphere-asthenosphere boundary beneath old Pacific lithosphere requires an additional property besides temperature as an explanation.
Posted inEditors' Highlights
Olivine Micropillars Reveal Shallow Lithosphere Rheology
Micrometer scale investigation of the rheological properties of olivine in pressure and temperature conditions corresponding to the shallow lithosphere.
Posted inNews
Orson Anderson (1924–2019)
This pioneer in the field of mineral physics contributed mightily to our understanding of mineral properties at high temperatures and high pressures and of Earth’s interior.
Posted inAGU News
A Dive into the Deep Earth
In July, Eos looks at the incredible capabilities scientists have developed to recreate the enormous pressures and temperatures that exist far below the planet’s surface.
Posted inScience Updates
Modeling Fluid Migration in Subduction Zones
Scientists from different disciplines are working together to identify common challenges in and techniques for modeling fluid migration associated with subduction zone processes.
Posted inNews
Visualizing the Deep Carbon Cycle
Geoscientists have created animations to help visualize different components of Earth’s carbon cycle.
Posted inEditors' Highlights
Globally Variable Water Content in the Mantle Transition Zone
Using electromagnetic waves originating in the ionosphere and magnetosphere, conductivity profiles reaching the deep upper mantle show surprising variability in water content.