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Deccan Traps

All articles tagged with #deccan traps

science1 month ago•10 min saved

Pre-Impact Fungal Bloom Signals Earlier Ecological Stress Before Dinosaur Extinction

A Johns Hopkins study published in PNAS reports a pre-impact spike in fungal microfossils dating to roughly 30,000–10,000 years before the Chicxulub impact, coinciding with the Deccan Traps volcanic phase in India and suggesting the biosphere was already undergoing ecological stress before the asteroid strike, while a later, global fungal bloom after the impact supports widespread collapse and reinforces that the asteroid was the proximate extinction driver.

via Space Daily|

#asteroid-impact #deccan-traps #dinosaurs

science1 month ago•36 min saved

Ancient fungal clues reveal Earth was stressed before the dinosaur extinction

A Johns Hopkins study analyzed ancient fungal spores in sediments and found three pre-impact fungal blooms dating up to 30,000 years before the asteroid, likely tied to Deccan Traps volcanism that cooled the climate and stressed ecosystems; a second fungal surge occurred at the asteroid boundary, and recovery after the mass extinction was slow and uneven, suggesting the crisis began before the impact.

via Earth.com|

#climate-change #deccan-traps #dinosaurs

science2 years ago•2 min saved

"Dinosaur Extinction: Unveiling the Volcanic Climate Connection"

Recent research challenges the belief that a meteorite was the sole cause of dinosaur extinction, suggesting that volcanic eruptions and resulting global cooling played a significant role. A study conducted by McGill University researchers explores the link between volcanic activity and climate change, focusing on the massive eruptions of the Deccan Traps in Western India. The study suggests that the release of sulfur during these eruptions could have triggered a global drop in temperature, leading to repeated volcanic winters that made life difficult for plants and animals, ultimately setting the stage for the dinosaur extinction event. The findings shed light on Earth's ancient secrets and contribute to a better understanding of our own changing climate.

via SciTechDaily|

#climate-change #deccan-traps #dinosaur-extinction

science2 years ago•5 min saved

Volcano vs. Asteroid: The Real Culprit Behind the Dinosaurs' Extinction Revealed

A new simulation model developed by scientists from Dartmouth University suggests that a mega volcano eruption from India's 'Deccan Traps' was the primary cause of the dinosaurs' extinction, rather than the Chicxulub meteor impact. The model used real-world geological data and estimated that the Deccan Traps volcano emitted massive amounts of carbon dioxide and sulfur dioxide over nearly a million years, leading to climate change and toxic gases that ultimately drove the dinosaurs to extinction. While some researchers remain skeptical, the study highlights the importance of considering alternative theories and using computer models to understand past events.

via Daily Mail|

#climate-change #deccan-traps #dinosaurs