crust

Eclogitic Diamonds Formed From Oceanic Crust, Study Shows

Eclogitic Diamonds Formed From Oceanic Crust, Study Shows

Eclogitic diamonds formed in Earth’s mantle originate from oceanic crust, rather than marine sediments as commonly thought, according to a new study.

Content tagged with “crust”Showing 11-20 of 80 results
A Hot and Deep Origin of Methane in Seafloor Hydrothermal Springs 16 February 2018 Feature

A new study by DCO researchers finds striking similarities between methane from very diverse vents…

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…

Degassing from Continental Rifts Controls Earth’s Thermostat
Degassing from Continental Rifts Controls Earth’s Thermostat 29 November 2017 Feature

In a new paper in Nature Geoscience [1], Sascha Brune (GFZ German Research Centre for Geosciences,…

When Continents Tear Apart, Stored Carbon Escapes 27 November 2017 Feature

Scientists are beginning to recognize that continental rifts, where the crust rips apart in the…

Researchers Track Sneaky Carbon Dioxide Flux to Estimate Eastern Rift Emissions 18 October 2017 Feature

In a new paper in Geochemistry, Geophysics, Geosystems [1], Jonathan Hunt (University of Oxford, UK…

Evaporating Rocks and Planetary Formation: An Interview with Edward Young 16 October 2017 Feature

 In a new paper [1] in Nature, Remco Hin at the University of Bristol, UK, and colleagues, examined…

Mind the Gaps: Tiny Pores Encourage Methane Formation 26 September 2017 Feature

One possible source of abiotic methane is serpentinizing systems, such as hydrothermal vents. At…

Alkaline Springs May Signal an Overlooked Part of the Methane Budget 2 August 2017 Feature

Much research on subsurface methane has focused on biotic methane, which is produced by…

The Shallow Carbon Cycle: Arc Volcanoes Recycle Carbon from Earth’s Crust 20 July 2017 Feature

A new study by Marie Edmonds (University of Cambridge, UK), Co-chair of the Scientific Steering…

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…

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