transition zone

Flawed, Precious Stones Carry Clues From Deep in the Mantle

In a new paper in Nature Geoscience [1], DCO researchers report the surprising news that iron in…

Hemley’s colleagues, Luca Bindi, Ming Chen, and Xiande Xie, reported the discovery of the first…

Over the course of Earth’s history, the mantle has changed, with slow cooling resulting in an…

Carbon is cycled from Earth’s surface to its depths, emerging through the crust from volcanoes, and…

“Diamonds are forever,” and so are the tiny mineral inclusions encapsulated by diamonds (pictured…

Quantifying the water content of Earth’s mantle transition zone (between the upper and lower mantle…

Natural diamonds and their inclusions provide crucial information over a range of depths for…

Mantle rocks show evidence of minerals made of carbon with different oxidation states -- minerals…