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Geochemistry, Geophysics, Geosystems

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Researchers drill into New Zealand’s Alpine Fault to better understand fault structure and earthquake physics
Posted inResearch Spotlights

Drilling into a Future Earthquake

Alexandra Branscombe by A. Branscombe 26 February 20186 October 2021

Researchers drill into a fault that is anticipated to rupture in coming decades to study fault structure and earthquake physics.

Researchers look to hydrothermal vents for clues into the movement of Earth’s lower crust
Posted inResearch Spotlights

Is the Lower Crust Convecting Beneath Mid-Ocean Ridges?

by Terri Cook 2 October 201724 March 2023

The first attempt to couple models of hydrothermal circulation and magmatic convection along fast-spreading ridges may explain the spacing of hydrothermal vent fields along the East Pacific Rise.

Researchers demonstrate how two popular software packages can be used together for better efficiency
Posted inResearch Spotlights

A Powerful New Tool for Research

by Terri Cook 17 July 201722 August 2022

A novel interface allows users of MATLAB and GMT, two software packages widely used by the geoscience community, to simultaneously harness the capabilities of both products.

Researchers search for signals of an eruption of the Villarrica volcano in Chile
Posted inResearch Spotlights

Can Volcanic Gas Levels Predict an Eruption?

Alexandra Branscombe by A. Branscombe 12 June 201722 December 2021

Researchers test whether the changing composition of volcanic gas can signal a coming eruption in Chile’s Villarrica volcano.

Posted inEditors' Vox

Competing Models of Mountain Formation Reconciled

by A. Parsons 8 May 201724 March 2023

The author of a prize-winning paper published in Geochemistry, Geophysics, Geosystems describes new insights into crustal mechanics and the formation of the Himalaya.

Researchers use zircon dating to unravel the processes behind the Toba supereruption.
Posted inResearch Spotlights

What Led to the Largest Volcanic Eruption in Human History?

by S. Witman 13 April 201716 March 2022

A mineral-dating project at the Toba caldera in Indonesia sheds light on the science of supereruptions.

Researchers use samples from Mt. St. Helens to test paleomagnetic methods.
Posted inResearch Spotlights

Explaining Why Some Paleomagnetic Results Fail

by Terri Cook 22 March 201727 January 2023

Reordering of mineral crystal lattice structures during laboratory heating may explain the frequent need to reject results of experiments that estimate the intensity of Earth's past magnetic fields.

Researchers work to track the fragmented magma bombs that fly through the air during an explosive eruption
Posted inResearch Spotlights

Tracking Volcanic Bombs in Three Dimensions

Leah Crane by L. Crane 13 March 20172 May 2022

A new method allows researchers to precisely track in three dimensions bits of fragmented magma as they are expelled in explosive volcanic eruptions.

New research links ocean acidification and its effect on extinction events to better understand Earth’s ancient seas.
Posted inResearch Spotlights

Exploring Ancient Ocean Acidification in the Rock Record

Alexandra Branscombe by A. Branscombe 10 March 201712 September 2022

Scientists studying Earth's ancient oceans use a new method to measure ocean acidification and its effect on extinction events.

Researchers examine New Zealand’s Alpine Fault as it nears the end of its seismic cycle.
Posted inResearch Spotlights

Alteration Along the Alpine Fault Helps Build Seismic Strain

by Terri Cook 7 March 201724 March 2023

Detailed analysis of cores drilled through New Zealand's most dangerous on-land fault indicates that its permeability and strength are altered by mineral precipitation between seismic events.

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Small-Scale Indian Ocean Dynamics Underpin Marine Ecology and Climate

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