ancient

Lost piece of Mars found on Earth reveals ancient volcanic secret: ScienceAlert

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An unexpected tool gives us new insight into the fine structure of Mars’ outer layers. Using meteorites long ago broken off from the red planet about 11 million years ago and hurled into space to eventually land on Earth, scientists were able to study how volcanism shaped the crust and mantle of Mars to infer … Read more

A relic of ancient oceans and planetary collisions – scientists shed new light on Earth’s mysterious D” layer

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SciTechDaily

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