Seismic mapping of North America has revealed that an ancient slab of crust buried beneath the Midwest is causing the crust ...

The technique focused on analyzing the SKKKP seismic ... As a subducting plate descends into the lower mantle, its oceanic crust, with a lower melting point, may separate from the underlying ...

Scientists uncover surprising evidence that the Kerguelen hotspot, responsible for the 5,000-kilometer-long Ninetyeast Ridge, ...

Researchers are using basalt spectra to study exoplanets and search for water with the James Webb Space Telescope. By studying chemical processes in the Earth's hot mantle, Cornell scientists are ...

using techniques similar to employed in CT scans for medical imaging. Deep inside the mantle (the layer between Earth’s iron core and its silica-dominated crust), there are vast areas beneath ...

(b) Schematic diagram of the upper mantle structure beneath the Tonga ... the study applied azimuthal anisotropy tomography—a technique sensitive to directional variations in seismic wave ...

This makes titanium isotopes useful to trace how surface material like the crust is recycled in Earth's mantle through geologic time. Using this new technique, they determined the composition of ...