Spreading olivine on beaches could accelerate ocean uptake of carbon dioxide and potentially limit climate change. The concept and execution still face some scrutiny from scientists.
olivine
Posted inNews
Good News: Rocks Crack Under Pressure from Mineral CO2 Storage
When carbon mineralizes in stone, each new fracture exposes more surfaces that can react with and trap CO2, enhancing a rock’s storage capacity.
Posted inNews
Insights from the Depths of Hawaii’s Kīlauea Volcano
One of the world’s best monitored and most active volcanos still has secrets to yield, and researchers are turning to vapor bubbles trapped in melt inclusions to find them.
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 inFeatures
Mars 2020 Team Using Australian Rocks in Search for Life on Mars
Scientists are investigating evidence of ancient terrestrial microbes preserved in Australia as well as mineral maps derived from Mars orbiter data to shed light on how to search for life on Mars.
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.
Posted inScience Updates
Understanding Electrical Signals from Below Earth’s Surface
A new version of a free Web application (SIGMELTS 2.0) helps Earth scientists interpret electrical anomalies in Earth’s crust and mantle and track the sources of earthquakes and volcanic eruptions.
Posted inNews
Harry W. Green II (1940–2017)
By keenly probing mantle rheology, interactions of deformations and phase transitions, and microscopic features, he made major contributions to petrology, mineralogy, and earthquake science.
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.