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Chicxulub Crater

Location of the buried peak ring of the Chicxulub crater and inferred pool impact melt reported on a Bouguer gravity anomaly map.
Posted inEditors' Highlights

Shining a Spotlight on the Chicxulub Impact Crater

by Laurent G. J. Montési 12 October 20218 October 2021

A new seismic survey of the Chicxulub impact crater reveals the structure of its peak ring and the sediments that cover it.

Foto e ilustración de hojas de la era Cretácica con mordidas de insectos
Posted inNews

El impacto de Chicxulub cambió para siempre la biodiversidad de la selva tropical

by Humberto Basilio 10 August 202129 September 2021

Hace sesenta y seis millones de años, un asteroide reinició la mayor parte de la vida en la Tierra. Pero sin este evento catastrófico, la composición de las selvas tropicales neotropicales no sería la misma.

Grayscale scanning electron microscope image of an unpolished tetrahedral zircon crystal with two laser ablation pits, each between 25 and 30 micrometers in diameter
Posted inNews

Vestiges of a Volcanic Arc Hidden Within Chicxulub Crater

by Alka Tripathy-Lang 15 June 202111 November 2021

Scientists discovered magmatic remnants of a volcanic arc by dating granitic rocks of the middle crust excavated by, and hidden within, the Chicxulub impact crater.

Photo and illustration of leaves from the Paleocene era with bites left by insects
Posted inNews

Chicxulub Impact Changed Tropical Rain Forest Biodiversity Forever

by Humberto Basilio 3 May 202129 April 2022

Sixty-six million years ago, an asteroid reset most of life on Earth. But without this catastrophic event, the composition of neotropical rain forests wouldn’t be the same.

Posted inEditors' Highlights

Life in the Chicxulub Crater Years After It Was Formed

by V. Salters 24 November 20202 February 2022

While the seas were still churning from the impact and the seawater temperatures were high due to the hydrothermal activity, life was reestablishing itself inside the crater.

The Chicxulub impact event, framed by fluffy clouds and flying pterosaurs
Posted inNews

Asteroid Impact, Not Volcanism, Likely Spelled Dinosaurs’ End

by Katherine Kornei 21 July 202010 November 2021

Using climate and habitat modeling, researchers show that solar dimming caused by an asteroid impact would have plunged the world into an “impact winter” and decimated dinosaur habitats.

Drill rig in water
Posted inNews

Chicxulub Impact Crater Hosted a Long-Lived Hydrothermal System

by Katherine Kornei 30 June 20207 March 2022

Chemical and mineralogical evidence of fluid flow—potentially conducive to microscopic life—was revealed in rock cores extracted from the crater’s “peak ring.”

Artist’s impression of an asteroid impacting shallow waters near the modern-day Yucatán Peninsula.
Posted inNews

Huge Global Tsunami Followed Dinosaur-Killing Asteroid Impact

by Katherine Kornei 20 December 201829 September 2021

The cataclysmic Chicxulub impact roughly 66 million years ago spawned a tsunami that produced wave heights of several meters in distant waters, new simulations suggest.

Artist’s rendering of the impact of an enormous asteroid striking Earth about 66 million years ago, as seen from space.
Posted inNews

Dinosaur-Killing Asteroid Impact Made Huge Dead Zones in Oceans

by L. Joel 8 August 20185 January 2022

The discovery reveals similarities between the extinction event that ended the Mesozoic Era and human-driven global warming.

Moon’s Schrödinger crater
Posted inNews

New Simulation Supports Chicxulub Impact Scenario

by Bas den Hond 27 April 20182 February 2022

Mountains ringing the center of Earth’s most famous impact crater consist of porous rocks. Computer models of the impact can now predict those rocks’ microstructure.

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