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geology

Satellite image of the island of Mayotte and its surrounding fringing reef
Posted inNews

New Volcano, Old Caldera

by Alka Tripathy-Lang 15 December 20206 September 2022

Researchers suggest a magma chamber sits within an old submarine caldera structure that extends into the mantle. Nearby, a new underwater volcano emerged with a flurry of seismicity.

A roadcut in Kentucky reveals layers of Camp Nelson Limestone
Posted inResearch Spotlights

Certain Rock Formations Can Lead to In-Home Radon Risks

Aaron Sidder, freelance science writer by Aaron Sidder 11 December 202013 October 2022

Researchers in Kentucky have merged results from home test kits with the state’s geologic map to produce a map of indoor radon potential based on the geology underlying homes in the state.

Herd of wildebeests descends from a low cliff into a river.
Posted inNews

La Geología y la Química Impulsan la Migración Animal en el Serengueti

Katherine Kornei, Science Writer by Katherine Kornei 11 December 20206 September 2022

Trabajo de campo en Tanzania sugiere que la química del suelo—influenciada por el vulcanismo local y la actividad tectónica—podría ayudar a determinar la migración sin precedentes de más de un millón de ñus.

Cutaway model of Earth’s interior
Posted inNews

Geologists to Shed Light on the Mantle with 3D Model

by E. Gribkoff 4 December 20204 August 2023

The model, which will incorporate 227 million surface wave measurements, could help with everything from earthquake characterization to neutrino geosciences.

Jonny Wu (left) and Spencer Fuston point to a slide displaying mantle tomography in the North Pacific Ocean.
Posted inNews

The Resurrection Plate Is Dead, Long Live the Resurrection Plate

Rachel Fritts, Science Writer by Rachel Fritts 16 November 202027 January 2023

Using a technique similar to taking a CT scan of Earth, researchers found the possible remnants of a long-debated “missing” tectonic plate.

Photograph of pseudotachylytes, also known as “earthquake fossils”, from Santa Rosa, California
Posted inEditors' Vox

New Insights from the Magnetic Properties of Fault Rocks

by Mark J. Dekkers, E. C. Ferré, Y.-M. Chou, T. Yang, J. Chen, E.-C. Yeh and W. Tanikawa 13 November 20206 October 2021

Magnetic studies offer a new strand for the analysis of faulting processes and could help with better understanding of fault rupture and earthquakes.

Photograph of the eruption of Eyjafjallajökull in 2010
Posted inEditors' Vox

A Geologist’s Guide to Exploring and Understanding Iceland

by T. J. Jovanelly 5 November 202010 November 2021

A new book explores the geophysical processes that have shaped Iceland over 30 million years and continue to influence the landscape.

Different scenarios influencing plate thickness
Posted inEditors' Highlights

Frequency Dependent Plates

by Thorsten 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.

A drone hovers over a spring in Fitchburg, Wis.
Posted inNews

Taking an Aerial View Underground

by Jady Carmichael 6 October 20208 September 2022

Wisconsin geologists are testing using drones equipped with thermal cameras to measure shallow soil depths in areas prone to groundwater contamination.

A fish jumps out of the water as it heads upstream
Posted inResearch Spotlights

How River Capture Affects the Evolution of Aquatic Organisms

by David Shultz 28 September 202030 March 2023

River basins are dynamic environments that are always changing and reorganizing under geologic forces. New research investigates how this shape shifting influences aquatic speciation and extinction.

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