The debate whether an asteroid impact or volcanic eruptions in India led to the mass extinction 66 million years ago is becoming increasingly irrelevant, as new dates for the eruptions show that the two catastrophes were nearly simultaneous. Scientists found that the eruptions accelerated within 50,000 years of the impact and were likely reignited by the impact, which may have generated magnitude 9 earthquakes or stronger everywhere on Earth.
http://www.sciencedaily.com/releases/2015/10/151001153038.htm
Asteroid impact, volcanism were one-two punch for dinosaurs
1 octubre 2015
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