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geology

An inlet of Lake Toba in Indonesia, surrounded by tropical vegetation
Posted inNews

La vida después de una super erupción

by Danielle Beurteaux 9 November 202116 March 2022

Una vez que una erupción volcánica masiva termina, el sistema subyacente puede mantenerse activo por miles de años. Una nueva investigación vislumbra cómo funcionan los ciclos de super erupciones.

Painting depicting the surface of Earth during the Hadean eon, with a liquid water ocean, volcanoes, and meteors streaking through the sky
Posted inScience Updates

A Simple Recipe for Making the First Continental Crust

by Anastassia Y. Borisova and Anne Nédélec 5 November 202116 May 2022

Laboratory experiments serendipitously revealed a rock-forming process that might explain how the first continental crust formed on Earth—and possibly on Mars.

An inlet of Lake Toba in Indonesia, surrounded by tropical vegetation
Posted inNews

Life After a Supereruption

by Danielle Beurteaux 27 October 202116 March 2022

Once a massive volcanic eruption is finished, the underlying system can remain active for thousands of years. New research illuminates how supereruption cycles work.

Tree roots growing through rocks
Posted inNews

Thirsty Plants Pull Water from Bedrock

Katherine Kornei, Science Writer by Katherine Kornei 18 October 202129 March 2023

Shrubs and trees across the United States routinely sip water stored in bedrock, a discovery that has implications for the terrestrial water cycle.

Plot showing a compilation the virtual dipole moment of the geomagnetic field during the Ediacaran and Cambrian periods.
Posted inEditors' Highlights

A Dipole Field from the Ediacaran-Cambrian Transition Onward?

by Mark J. Dekkers 14 October 202114 March 2023

The Ediacaran features an instable magnetic field complicating paleogeographic reconstructions; a new paleointensity study on late Ediacaran rocks indicates a weak but stable dipolar field.

Dense green pine trees form the foreground. Gray rocks forming low-relief hills are in the middle distance, dotted with green trees, with a hazy blue sky in the background.
Posted inResearch Spotlights

Extinct Style of Plate Tectonics Explains Early Earth’s Flat Mountains

by Rebecca Dzombak 7 October 202117 February 2023

The geologic record suggests that despite Earth’s hot, thin crust during the Proterozoic, mountains were still able to form thanks to an extinct style of crustal deformation.

Several charts showing the results of hydrothermal flow modelling along a 26 km-long line located on 7-million-year-old Atlantic oceanic crust.
Posted inEditors' Highlights

Mechanisms of Hydrothermal Ocean Plate Cooling Revealed

by V. Sallarès 28 September 202127 January 2023

A combination of waveform tomography and hydrothermal modelling allows characterizing the mechanisms and reach of fluid flux and ocean plate cooling near mid-ocean ridges with unprecedented detail.

The Sun sets at Stonehenge
Posted inNews

State-of-the-Art Technology, Serendipity, and Secrets of Stonehenge

Richard Sima, freelance science writer by Richard J. Sima 8 September 202129 March 2023

The first comprehensive analysis of what the sarsen stones are made of came about with new technology—and good old-fashioned luck.

Researchers collect sediments from a rocky stream with a helicopter and steep rock hills in the background
Posted inScience Updates

Earth’s Continents Share an Ancient Crustal Ancestor

by J. Hollis, C. Kirkland, M. Hartnady, M. Barham and A. Steenfelt 23 August 202122 February 2022

How did today’s continents come to be? Geological sleuths found clues in grains of sand.

Viendo hacia afuera desde el Canion del Antílope Inferior, con el cielo cerca de la parte superior de la foto. La laminación característica de la arenisca es visible.
Posted inResearch Spotlights

La primera mirada de la meteorización a escala angstrom

Kate Wheeling, freelance science writer by Kate Wheeling 19 August 202124 February 2022

Investigadores observan cómo el vapor de agua y el líquido alteran las rocas sedimentarias a través de procesos físicos y químicos.

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