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lava & magma

This snapshot of a new global mantle convection model depicts Earth 180 million years ago, with broad mantle upwellings (in copper) equal to or greater than 1 kelvin meter per year, reconstructed continental blocks (gray polygons), and kimberlite eruptions (magenta columns).
Posted inNews

How to Find a Volcanic Diamond Mine

by Rebecca Owen 30 June 202330 June 2023

New 3D modeling illustrates the mechanism behind the intriguing volcanic eruptions that bring diamonds to the surface.

Graphs and diagrams from the paper.
Posted inEditors' Highlights

Deciphering the History of a Rock’s Crystallization

by Nikolai Bagdassarov 26 June 202322 June 2023

By combining a phase field function approach with bulk thermodynamics of mineral phases, the thermal history of a rock can now be deciphered from its distribution of mineral phases.

Drawing of a magma reservoir and conduits below Kīlauea volcano
Posted inScience Updates

Earth Is Noisy. Why Should Its Data Be Silent?

by Leif Karlstrom, Ben Holtzman, Anna Barth, Josh Crozier and Arthur Paté 9 June 20236 June 2024

Combining visual and sonic representations of data can make science more accessible and help reveal subtle details. The recent decade-long eruption of Hawaii’s Kīlauea Volcano offers a prime example.

Map showing global distribution of volcanoes on Venus.
Posted inEditors' Highlights

A New View of Volcanism on Venus

by A. Deanne Rogers 12 April 202310 April 2023

Researchers present the most comprehensive catalog of Venusian volcanic edifices to date, providing new knowledge of the geological evolution of a relatively understudied planet.

Photo of the surface of Mars.
Posted inEditors' Highlights

Martian Lava, Up Close and Personal

by Laurent G. J. Montési 10 March 20236 March 2023

The Mars 2020 Perseverance Rover conducted the first investigation of volcanic rocks where they stand in their original configuration on the surface of Mars.

A volcano with two snow-dusted peaks in an arid landscape with a cloudless blue sky.
Posted inResearch Spotlights

Mapping the Fizzy Brines and Fluid-Filled Fractures Below a Volcano

Sarah Stanley, Science Writer by Sarah Stanley 9 March 202320 March 2023

Seismic tools reveal where hydrothermal fluids lie beneath the Uturuncu volcano in Bolivia and hint at their composition.

Photo of a volcano erupting
Posted inEditors' Vox

Quantification of Subaerial Volcanism and its Products

by Federico Galetto 6 March 20233 March 2023

Researchers estimate the mass of volcanic products that erupted above sea level from 1980 to 2019 by volcanoes worldwide and the average eruptive rates of each magmatic province.

Map of study area and graphs showing magnetic signal evolution.
Posted inEditors' Highlights

Rapid Evolution of Volcanic Systems Reflected in Magnetics

by Agnes Kontny 28 February 202312 December 2025

Spatiotemporal magnetic monitoring along with InSAR models is a powerful tool to image magmatic, hydrothermal, and mechanical changes within the volcanic edifice of the Piton de la Fournaise.

Ropy black basalt solidifies, with orange-red lava visible, like embers in a fire.
Posted inNews

Crystals Track Magma Movement Beneath Iceland

by Alka Tripathy-Lang 28 February 202319 July 2023

Crystals from Fagradalsfjall’s eruption mark how mantle magma might have been moving years before geophysical indicators alerted scientists to unrest.

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 202320 June 2024

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.

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Over a dark blue-green square appear the words Special Report: The State of the Science 1 Year On.

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