New research indicates different composition of Earth’s mantle

New research indicates different composition of Earth’s mantle

Seismic observations of our planet's interior have revealed three distinct structures, marking the boundary between its metallic core and silicate mantle. The structures include remnants of subducted plates from the Earth's surface, ultralow velocity zones…

First sound velocity in extreme conditions successfully estimated

First sound velocity in extreme conditions successfully estimated

New research, conducted in collaboration between the Materials Dynamics Laboratory at the RIKEN SPring-8 Center and the Tokyo Institute of Technology, has successfully measured the speed of sound in mixtures of liquid iron and carbon in extreme conditions, for the…