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lithosphere

A reef teems with life in shallow water.
Posted inNews

Shifts in Tectonic Plates Change Biodiversity

by Danielle Beurteaux 19 September 202319 September 2023

A 36-million-year cycle of marine biodiversity booms and busts matches the movements of plate tectonics, linking what happens deep below the ocean to what’s happening in it.

Diagrams showing lithospheric stretching with rifting.
Posted inEditors' Highlights

Uncovering Mantle Heterogeneities Beneath Drifting Continents

by Fabio A. Capitanio 11 September 20236 September 2023

Computational models of the composition and volumes of magmas during continental rifting evolution provide clues on the heterogeneities of the deep melting mantle.

A picture of Ireland and Britain taken from space
Posted inNews

The Mysterious Case of Ireland’s Missing Earthquakes

by Elise Cutts 23 June 202323 June 2023

The Emerald Isle has far fewer earthquakes than neighboring Britain. Now scientists think they know why.

Three-dimensional wireframe representation of Earth with a red spotted sphere in the center. The continents are shown in turquoise, and yellow lines radiate from a point on the bottom left continent.
Posted inNews

Mounds of Ancient Ocean Floor May Be Hiding Deep in Earth

Tim Hornyak, Science Writer by Tim Hornyak 13 June 20234 August 2023

A mysterious seismic feature at the bottom of Earth’s mantle is more widespread than previously thought.

Image depicting Viscosity estimates for the mantle underneath Greenland.
Posted inEditors' Highlights

4D Viscosity Constraints from Greenland 

by Thorsten Becker 28 March 202311 April 2023

The mantle’s resistance to flow appears different for glacial and plate tectonic timescales but this behavior can be reconciled with new thermo-mechanical models of the asthenosphere.

一个球形海底地震仪下降到海面
Posted inResearch Spotlights

小尺度对流搅动大洋岩石圈

Sarah Derouin, Science Writer by Sarah Derouin 6 March 20236 March 2023

海底扩张将岩石圈矿物组织成一个晶格,但小规模的对流混杂在最内层。

Photo of a rock outcrop
Posted inEditors' Vox

The Seven-Ages of Earth as Seen Through the Continental Lens

by Peter A. Cawood and Priyadarshi Chowdhury 24 February 20236 March 2023

The 4.5-billion-year record contained in Earth’s continental crust reveals a seven-phase evolution, from an initial magma ocean to the present-day environment in which we live.

An orb-shaped ocean bottom seismometer descending into the sea surface
Posted inResearch Spotlights

Small-Scale Convection Shuffles the Oceanic Lithosphere

Sarah Derouin, Science Writer by Sarah Derouin 21 February 20236 March 2023

Seafloor spreading organized lithospheric minerals into a lattice, but small-scale convection jumbled up the innermost layer.

Diagram showing the reaction process between carbonatite melt and harzburgite mantle rock.
Posted inEditors' Highlights

Why is the North China Craton Vulnerable to Destruction?

by Sujoy Ghosh 20 October 202218 October 2022

A new study suggests that carbonatite metasomatism, not silicate metasomatism as previously thought, was dominant prior to the removal of the North China Craton in the early Cretaceous.

Different scenarios influencing plate thickness
Posted inEditors' Highlights

Frequency Dependent Plates

by T. W. Becker 16 October 202030 September 2022

Rocks stretch, break, and flow, depending on how and under which conditions they are loaded. A new formulation to better capture Earth’s rheology is explored in the context of plate thickness.

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EDITORS' VOX
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