Earth's Interior

Research may also offer insights into geology of other planets.

The studied rock is abundant but mostly out of reach.

Gravity satellite shows depth of boundary between crust and mantle.

Models getting better and seeing how plates collide and rift.

Ancient volcanic rocks withstood melt, mixing.

Sturdy granite makes up mountain peaks and famous natural structures.

Rio Grande Rift not dead, actively stretching.

Kimberlite magmas rise much more rapidly than expected.

An iron-diamond sandwich helped shed light on inner Earth.

Study narrows list of possible 'light elements' in Earth's outer core.