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geochronology

Posted inScience Updates

Exploring Radioisotopic Geochronology and Astrochronology

by S. R. Meyers, B. S. Singer and M. D. Schmitz 2 January 201527 January 2022

IsoAstro Geochronology Workshop: The Integration and Intercalibration of Radioisotopic and Astrochronologic Time Scales;
Madison, Wisconsin, 18–23 August 2014

Posted inResearch Spotlights

Archean Rocks in the Acasta Gneiss Complex

by J. Orwig 31 December 201427 January 2022

Studying Archean-age gneissic and schistic rocks in northwestern Canada, researchers determined that the source of these rocks formed 4.3 billion years ago.

Posted inNews

Tectonic Events May Have Triggered the Cambrian Explosion

by JoAnna Wendel 18 November 201430 January 2023

A researcher proposes a tectonic mechanism that could have helped drive one of the biggest evolutionary events in history: the Cambrian Explosion.

Posted inResearch Spotlights

Mountain Ranges Hold New Clues to Pangaea’s Formation

by C. Schultz 7 October 201429 September 2021

A new tectonic history of the Allegeny-Variscan range.

Posted inScience Updates

The New Geologic Map of Mars: Guiding Research and Education

by K. L. Tanaka 23 September 201428 March 2016

Currently, five spacecraft are investigating Mars, and a swarm of new missions will follow. Clues to where they should focus investigations can be gleaned from the planet’s new geologic map.

Posted inScience Updates

Advances in Remote Sensing of Magnetic Fields

by M. Purucker 23 September 201429 September 2021

Remote Atmospheric Magnetics Workshop;
Washington, D. C., 25–26 April 2014

Posted inNews

Decades-Old Sediment Cores Complicate Cascadia Earthquake History

by JoAnna Wendel 2 September 20141 October 2021

Scientists have long known that the Pacific Northwest is vulnerable to massive earthquakes, but newly unearthed data raises questions about the strength and frequency of these quakes.

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Perspectives of Earth and Space Scientists
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