A Relic of Ancient Oceans and Planetary Collisions – Scientists Shed New Light on Earth’s Mysterious D” Layer
One study suggests that Earth’s D” layer, near the core-mantle boundary, was formed by a magma ocean created by a massive impact. The iron-magnesium peroxide, formed by the water in this ocean, explains the unique composition and heterogeneity of the D layer.” New research suggests that the mysterious D’ layer at Earth’s core-mantle boundary may … Read more