Renne and his team recently determined the most precise date yet for the asteroid strike, which occurred in the Yucatán Peninsula in what is now Mexico.
Using a high-precision dating technique on tektites—pebble-sized rocks formed during meteorite impacts—from Haiti that were created during the event, the team concluded that the impact occurred 66,038,000 years ago—slightly later than previously thought.
What Killed Dinosaurs: New Ideas About the Wipeout
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