A very tiny fragment of an asteroid that hit Earth 66 million years ago may have been discovered encased in amber. This is one of the many intriguing finds at a unique fossil site in the Hell Creek Formation in North Dakota. The site has preserved remnants of the cataclysmic moment that ended the dinosaur era.
Fossils found at that site include fish that sucked in debris blasted out during the strike, a turtle impaled with a stick and a leg that might have belonged to a dinosaur. The fossil site is more than 2,00 miles away from the Chicxulub impact crater left by the asteroid that struck off the coast of Mexico.
Scientists say the well-preserved fish fossils most likely died within an hour after the asteroid strike. Researchers say small bits of molten rock thrown up from the crater into space where they crystallized into glass-like material were lodged in the fish.
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