Did volcanoes kill the dinosaurs? New evidence points to ‘maybe’
Fact: About 66 million years ago, at the end of the Cretaceous period, 75 percent of plant and animal species went extinct, including the dinosaurs (except those that evolved into birds).
Fact: About 66 million years ago, an enormous asteroid or comet hit the Earth near what is now Chicxulub, Mexico, throwing rock, dust and water vapor into the atmosphere.
Fact: About 66 million years ago, a massive volcano erupted lavas in India that are now called the Deccan Traps, burying much of the subcontinent under more than 11,000 feet of basalt (lava rock) and pouring poisonous gases into the atmosphere. (more…)