Micrometer scale investigation of the rheological properties of olivine in pressure and temperature conditions corresponding to the shallow lithosphere.Read More »Geology & Geophysics
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.Read More »Geochemistry, Mineralogy, Volcanology
How old is Earth’s inner core? High-pressure and high-temperature experiments suggest that our planet’s inner furnace may be much younger than expected.Read More »Geochemistry, Mineralogy, Volcanology
Research fields focused on the physical properties of Earth materials emerged in the 20th century and have been making major contributions within geoscience ever since.Read More »Geology & Geophysics
Using electromagnetic waves originating in the ionosphere and magnetosphere, conductivity profiles reaching the deep upper mantle show surprising variability in water content.Read More »Geochemistry, Mineralogy, Volcanology
This giant in geochemistry also pioneered early high-pressure, high-temperature studies that launched the field of mineral physics.Read More »Geology & Geophysics
New high-pressure experiments on fluid iron suggest thermal convection without compositional buoyancy is sufficient to drive the dynamo generating Earth’s magnetic field.Read More »Geochemistry, Mineralogy, Volcanology
Silicate melts containing H2O in the lowermost mantle are surprisingly dense and may stagnate there, trapping primordial volatiles and potentially causing some of the ultra-low velocity zones.Read More »Geochemistry, Mineralogy, Volcanology
Molecular dynamics calculations suggest that molten hydrogen-bearing iron peroxide (FeO2Hx) may produce the ultra-low velocity zones that occur at the core-mantle boundary.Read More »
