A diamond contains the only known sample of a mineral from Earth’s mantle—and hints at oceans’ worth of water hidden deep within our planet A beautiful blue flaw in a gem-quality diamond ...

The diamond bearing the telltale mineral inclusion came from a Botswana mine and formed at depths greater than 660 kilometers, the upper boundary of Earth’s lower mantle.

Journey to the lower mantle and back: Minerals from ocean-floor rocks are found in ultra-deep diamonds. ScienceDaily . Retrieved May 4, 2025 from www.sciencedaily.com / releases / 2011 / 09 ...

New research resolves 40 years of debate about the strength of olivine, the most abundant mineral in the Earth's mantle. Measuring the strength of olivine is critical to understanding how strong ...

Scientists estimated that the mineral formed 105 miles beneath the Earth’s surface. A single grain of rock lodged in a ...

Newly discovered mineral, named davemaoite, was found encased ... over 600km deep within the Earth’s lower mantle, ... host many elements that are incompatible in upper-mantle minerals. ...

The Earth's mantle transition zone contains water locked up in minerals — enough to rival the oceans on the surface of the planet.

These models predict different abundances of minerals like olivine and pyroxene in the upper mantle. Samples of the lunar interior could help determine which models best describe how the moon evolved.

In regions at depths greater than 1900 kilometers, scientists found active interactions between water and mantle rocks, which are oxidizing Earth's mantle. Water may have reached and dwelled at ...

New research led by the University of Delaware's Jessica Warren resolves 40 years of debate about the strength of olivine, the most abundant mineral in the Earth's mantle. Measuring the strength ...