A relic of ancient oceans and planetary collisions – scientists shed new light on Earth’s mysterious D” layer
The study suggests that Earth’s D” layer, near the core-mantle boundary, was formed by a magma ocean created by a giant impact. Iron-magnesium peroxide, formed from the water in this ocean, explains the unique composition and heterogeneity of the D” layer. New research suggests that the mysterious D” layer at the boundary of Earth’s core … Read more