Tag #Ruthenium-100

How did the researchers determine that core materials are reaching the Earth's surface, and what specific evidence supports this conclusion?

The discovery was made by analyzing volcanic rocks from Hawaii, where exceptionally high concentrations of ruthenium-100, an isotope more abundant in the Earth's core, were detected. This isotopic anomaly indicates that these rocks originated at the core-mantle boundary, implying a slow upward migration of core materials. This process, according to the researchers, involves hundreds of quadrillions of tons of superheated rock.