A Steaming Cauldron Follows the Dinosaurs’ Demise

A three-dimensional cross-section of the hydrothermal system in the Chicxulub impact crater and its seafloor vents. The system has the potential for harboring microbial life. (Illustration by Victor O. Leshyk for the Lunar and Planetary Institute)

Houston, Texas and Columbia, MD (USRA/LPI PR) — A new study reveals the Chicxulub impact crater may have harbored a vast and long-lived hydrothermal system after the catastrophic impact event linked to the extinction of dinosaurs 66 million years ago.

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Asteroid Impact, not Volcanic Eruptions, Killed the Dinosaurs

Nannoplankton fossils next to a deep-sea sediment section drilled from the North Atlantic. (Credit: Professor Paul Bown)

LONDON (University College London PR) — Volcanic activity did not play a direct role in the mass extinction event that killed the dinosaurs and about 75 per cent of Earth’s species 66 million years ago, according to a team involving UCL and University of Southampton researchers.

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