Giant asteroid may have triggered deadly volcano eruptions

Time of Cretaceous impact coincides with rising volume of lava flows

Deccan Traps with map

LAVA LAYERS  Floods of lava formed the layers of rock in India’s Deccan Traps. Scientists sampled these layers (from location marked with a box on the map) and found that an increase in Deccan volcanism occurred within 50,000 years of the Chicxulub asteroid impact and the extinction of the dinosaurs.  

Mark Richards/UC Berkeley (photo); Paul Renne/Berkeley Geochronology Center (map)

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