diamond

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Earth’s Largest Diamonds Form in Metal-bearing Part of Earth’s Mantle 15 December 2016 Feature

Super-deep diamonds, which form more than 380 km deep in Earth’s mantle, are invaluable tools for…

X Ray Diffraction of Super-deep Diamonds 15 December 2016 Feature

In this video, Fabrizio Nestola demonstrates the instrument used in new research about how large…

New Special Issue of Lithos: The Nature of Diamonds and Their Use in Earth's Study 1 December 2016 Feature

Titled “The nature of diamonds and their use in Earth's study,” the 15 November 2016 edition of the…

HIMU Ocean Island Sources linked to Carbonated Continental Roots 22 September 2016 Feature

Examples of such islands include the Hawaiian and Galápagos chains. Prevailing scientific theory…

Third International Diamond School at the University of Alberta, Canada 22 July 2016 Feature

The Third International Diamond School took place at the University of Alberta, with the Deep…

New Analyses of Komatiites Shed Light on Formation and Earth’s Hydrated Mantle 1 April 2016 Feature

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

Witwatersrand Diamonds Suggest Plate Tectonics Started 3.5 Billion Years Ago 13 January 2016 Feature

Earth is the only planet in our solar system with plate tectonics. As a result, Earth’s crust is…

Superdeep Diamonds Provide Evidence for a Melting Barrier to Deep Carbon Subduction 8 January 2016 Feature

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

Diamond with garnet inclusion
Water and Rock React to Form Diamonds and Hydrocarbons 24 November 2015 Feature

By Craig M. Schiffries, Geophysical Laboratory, Carnegie Institution of Washington November 2015…

Exploring Diamond Formation in Deep Earth: Fluid-Rock Interactions and pH Drop 3 November 2015 Feature

During subduction, in which one tectonic plate dives beneath another, carbon is transferred from…

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