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lava & magma

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 202324 February 2023

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 202328 February 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 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.

View of steep hills with exposures of dark rock as well as patches of green vegetation
Posted inFeatures

Baked Contacts Focus a Lens on Ancient Lava Flows

by Anthony Pivarunas, Margaret Avery, Joseph Biasi and Leif Karlstrom 1 February 202325 May 2023

Two studies, conducted 40 years apart, show how combining field observations and thermal modeling can reconstruct the history of massive lava flows and how they altered the surrounding landscape.

A pebble-sized meteorite sits next to a dime for scale.
Posted inNews

Martian Meteorites Offer a Tantalizing Glimpse of the Red Planet

Katherine Kornei, Science Writer by Katherine Kornei 23 November 202223 November 2022

By studying these literal chunks of Mars, scientists are learning more about the Red Planet’s deep interior and impact history.

diagram of a subduction zone
Posted inEditors' Highlights

Tracing Oxidizing Slab Fluids in Cold Volcanic Arcs

by Susanne Straub 28 October 202215 November 2022

Elevated copper isotope ratios in arc magmas from fluid-rich cold subduction zones support the role of oxidizing fluids from the subducted lithospheric serpentinite in the oxidization of arc magmas.

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