Cross-section of the Earth's interior: crust, upper- and lower-mantle, and outer- and inner-cores. Journalists may use this image only with appropriate credit.

Left to Right shows: Cross section of the modern plate tectonic cycle, including (1) creation of oceanic crust at mid-ocean ridges, (2) subduction at ocean trenches, (3) dehydration and melting ...

There might be a quadrillion tons of diamond hiding deep underneath Earth's surface, according to a new study. But it will be a while until diamonds are every girl's best friend: the lavish gems ...

In the eastern half of the BTF cross-section, the seismic layer 2A/2B boundary ... Further mapping of alteration distribution within the upper oceanic crust is required to confirm this hypothesis.

According to the team, at intervals within those billion or so years, up to a third of Earth’s crust was sawn off by ... rock called Vishnu schist in a section of Blacktail Canyon in Arizona ...

The researchers used seismic waves to examine the types of rock beneath the seafloor and create a digital cross-section of Earth's crust and mantle. The team published its findings Sept.

Here’s how it works. Scientist said this week they had drilled into the lower section of Earth's crust for the first time and were poised to break through to the mantle in coming years.

Scientists have eliminated one possible origin for Earth's continents. Despite the importance of Earth's continents, the huge pieces of the planet's crust that divide its oceans, very little is ...

This suggests the ancient rocks of Western Australia cover a far greater area than we knew, buried deep in the crust. The ancient crust of Australia is crucial for understanding the early Earth, ...