diamond

Showing 1-10 of 49 results
The Early Magma Ocean Turned Earth into a ‘Diamond Factory’ 10 September 2019 Feature

Many questions remain about Earth’s formation around 4.6 billion years ago. Why does Earth store so…

Superdeep Diamonds Hint at Primordial Helium Reservoir 29 August 2019 Feature

Microscopic pockets of fluid trapped in diamonds from deep below Earth’s surface are providing new…

A Trip to Collect Diamonds Only a Scientist Could Love 27 August 2019 Feature

When geologists go out into the field, they search out just the right volcano, hydrothermal vent,…

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…

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