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geology

Close-up image of garnet lherzolite
Posted inNews

Modeling the Creation of Cratons, Earth’s Secret Keepers

by Jackie Rocheleau 12 January 202120 June 2024

Geoscientists have long been trying to answer the complicated questions of how and why Earth’s continents formed. New research suggests a solution that surprised even the investigators themselves.

Drone photograph of research vessel offshore Malta collecting geophysical data to map offshore freshened groundwater systems
Posted inEditors' Vox

Freshened Groundwater in the Sub-seafloor

by A. Micallef, M. Person, C. Berndt, Claudia Bertoni, A. Haroon, R. Martin-Nagle, T. Müller and E. Trembath-Reichert 11 January 202130 March 2023

Scientists are using a variety of geochemical, geophysical, and numerical methods to study offshore freshened groundwater and better understand its role in the global water cycle.

A small boulder in the desert attached to sensors
Posted inResearch Spotlights

Warmer Climates Speed Breakdown of Rocks

by Jack Lee 6 January 20216 January 2022

Researchers listened to boulders for thousands of hours to investigate how they weathered.

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 Tamie 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.

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