👤 whose
Whose evidence helped prove that the Chicxulub impact ended the age of dinosaurs?
Quick Answer
Luis and Walter Alvarez led the famous impact hypothesis in 1980. Their iridium-rich layer linked the mass extinction to a giant asteroid impact.
The Full Story
Physicist Luis Alvarez and his geologist son Walter Alvarez proposed in 1980 that a large impact caused the end-Cretaceous extinction 66 million years ago. They pointed to a thin clay layer enriched in iridium, an element rare in Earth’s crust but common in meteorites. The idea later gained major support from the discovery of the Chicxulub crater in Mexico. Their hypothesis transformed debates about mass extinctions and impact events in Earth history.
Key Facts
1.impact hypothesis proposed in 1980
2.linked to extinction 66 million years ago
3.supported by iridium-rich boundary layer
YouTube Angle
Suggested video title for this topic:
"The asteroid that reshaped life on Earth"
Was this answer helpful?
Tap a reaction — it helps us pick what to cover next.