UC Berkley/Robert DePalma
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The researchers found a fairly intact fish fossil. It is thought that the fish came from an era when a large asteroid wiped out the dinosaurs.
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Nationalgeographic.co.id—Imagine this moment an event is so catastrophic, which destroys 75 percent of all living things on Earth. Bigger than the death of 50 percent of the earth’s population, as did the Marvel character, Thanos.
Such events sound like stories in a sci-fi genre film. But, in fact, that’s what happened when the Cretaceous period ended with a big bang 66 million years ago. An explosion that destroyed nearly all of Earth’s inhabitants, including the dinosaurs.
It is widely believed that an asteroid or comet known as Chicxulub Impactor hit Earth, not far from what is now Yucatán, Mexico.
These events ultimately wreak havoc on the biodiversity on planet Earth. Currently, a new discovery in North Dakota unlock the mystery of the first species, which felt the impact of the devastating event.
A team of geologists and paleontologists, has found many fossils consisting of fish and other species. When the asteroids hit, they were in the Western Interior Seaway, a shallow sea that at the time was scattered over North America.
Within an hour of the disaster, seiches or a giant wave triggered by an asteroid impact, pushing the animals all the way to the area around Bowman, Dakota North. Geologists refer to the area as Tanis, which is the mouth of a freshwater river full of life.
Robert DePalma University student Kansas, discover fossils and publish studies of their findings in Prosiding National Academy of Science. What makes this discovery so significant is that, until recently, it was difficult to get a picture of what actually happened during the event.
Also Read: Huge Ripple Tsunami Trail Reveals Impact of Asteroid Killing Dinosaurs
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Illustration of Dineobellator notohesperus. A feathered dinosaur that lived at the end of the dinosaur age.
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By finding shards of glass in half of the fish’s gills—a hallmark of an asteroid strike—De Palma provided further evidence to advance the asteroid theory. The level of iridium covering the fossil block is also important, as iridium was the substance that first gave clues about the asteroid Chicxulub.
The fossils are in miraculous condition, as they appear to still be in a recognizable form. This is most likely due to the material that rained down on planet Earth, a few hours after the asteroid hit. The sediments were enveloped by large waves of water, alternating with asteroids and ashfall.
Also Read: Asteroids Falling Into the Sea Can Form Life on Earth and Mars
UC Berkley/Robert DePalma
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The asteroid Chicxulub hit Earth, not far from what is now Yucatán, Mexico, 66 million years ago. The event destroyed Earth’s biodiversity. A new discovery in North Dakota unlocks the mystery of the first species to feel the effects of this devastating event.
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“Sedimentation happened so fast that everything was preserved in three dimensions – not destroyed,” said researcher, David Burnham. “It’s like an avalanche that collapses like a liquid, then solidifies like concrete. They were killed suddenly because of the hardened water. We had a fish that hit a tree and it broke in two.”
These fossils consist of hundreds of unknown species. This makes it a treasure trove of information, regarding the last days of the Cretaceous. “We’ve understood that bad things happen, right after the asteroid impact, but no one has found any miraculous evidence of this kind,” Burnham said.
“Many say, the big explosion killed the dinosaurs. But why can’t we find dinosaur bodies anywhere?” said Burnham. “We found animal bodies, but these are not dinosaurs. I think we will eventually find a dinosaur body.”
Also Read: Asteroid Strike That Wiped Out Dinosaurs Turns Out to Benefit Bacteria
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