diamond

Showing 1-10 of 46 results
Diamonds Reveal how Continents are Stabilized, Key to Earth’s Habitability 25 April 2019 Feature

The longevity of Earth’s continents in the face of destructive tectonic activity is an essential…

Eclogitic Diamonds Formed From Oceanic Crust, Study Shows
Eclogitic Diamonds Formed From Oceanic Crust, Study Shows 25 April 2019 Feature

Diamonds are found in two types of rocks from Earth’s mantle: peridotite and eclogite. Peridotite…

blue boron-bearing diamond
Origin of Blue Diamonds Discovered 1 August 2018 Feature

Experts judge a diamond’s worth by the four Cs, “color, clarity, cut, and carat weight,” and blue…

Cullinan
Super-Deep Diamond Holds First Glimpse of Long-Expected Mantle Mineral 8 March 2018 Feature

The recent discovery of an unusual inclusion in a rare, super-deep diamond means that calcium…

Fourth International Diamond School Convenes in Bressanone, Italy 27 February 2018 Feature

The school provided a general overview of the recent advances in diamond research, combining…

Flawed, Precious Stones Carry Clues From Deep in the Mantle 23 January 2018 Feature

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

The ‘Kimberlite Bloom’ During Pangea’s End: Caused by Mantle Cooling Or Deep Carbon Effects? 19 January 2018 Feature

To understand the conditions that created this bloom, DCO members Sebastian Tappe, Malcolm…

Siderite
Stable Iron Carbonates Survive Journey to Earth’s Interior 19 July 2017 Feature

In a new paper in the journal Nature Communications [1], Valerio Cerantola (European Synchrotron…

A New Source of Hydrocarbons in the Deep Carbon Cycle 12 June 2017 Feature

Due to its ubiquity on the surface, acetate could end up in the deep subsurface through subduction…

Deep Burial of Organic Carbon into the Mantle Enabled “Great Oxidation Event” 25 April 2017 Feature

The rise across GOE and the subsequent increases in Earth’s atmospheric oxygen enabled the…

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