What Happened The Day The Dinosaurs Died: Rock In Fateful Asteroid Impact Crater ‘Confirms’ The Wildfires, Tsunamis, And Sulphur Clouds Which Wiped Out The Beasts
Sam Blanchard posted a September 9, 2019 article to the website of the DailyMail.com with the title above. I am pretty sure that most of you who read this article are still somewhat fascinated about the catastrophic asteroid impact that wiped out the dinosaurs and most other species so many millions of years ago. New archaeological research is shedding new light on the immediate aftermath of that existential event.
Mr. Blanchard writes that “new samples of rock inside the underwater crater left by the asteroid impact have confirmed scientists’ theories about what happened that day. Around 75 percent of all life on Earth was wiped out by the devastating impact, which hit [the Earth] with the force of 10 billion nuclear bombs. Discoveries of charcoal, lumps of rock, and lumps of sulphur-rich stones in the seabed in the Yucatan area of Mexico have provided more detail than ever before,” he noted.
“Researchers from the University of Texas have drilled almost a mile into the Earth to refine the timeline of what happened some 66 million years ago,” Mr. Blanchard wrote. “It’s an expanded record of events that we were able to recover from within ground zero,” said Professor Sean Gulick, the project leader. “They are all part of a rock record that offers the most detailed look yet into the aftermath of the catastrophe that ended the ‘Age of the Dinosaurs.'”
“Professor Gulick and Professor Joanna Morgan from Imperial College London, retrieved cores from 4,265 feet, (1,300 km) below the submerged ‘Chicxulub’ crater,” Mr. Blanchard explained. “Lying 25 miles off the Yucatan Peninsula’s port in Mexico, it is more than 115 (185 km) miles wide, and 20 miles (32 km) deep. Half is underwater, and the rest [is] covered by rain forest.”
“The fateful asteroid is believed to have been between 6.2-9.3 miles (10 km – 15 km)and hit the Earth at a speed of around 44,000 mph (70,000 kph),” Mr. Blanchard wrote. “According to Professor Gulick’s team, the Earth-shattering impact triggered a widespread inferno. It set fire to trees thousands of miles away, and triggered a humongous, 300 foot (91 meters) tsunami that traveled as far inland as where the U.S. state of Illinois currently lies.”
“Tsunami seawater swept debris into the crater at such a rate, that the first day deposited around 425 feet (130 km) of natural wreckage,” Mr. Blanchard wrote. “So much sulphur was thrown into the atmosphere that it blocked out the light of the sun. Although none of the chemical could be found in the drilled samples, there are sulphur-rich rocks in the crater. This fits with the theory that most of these rocks were vaporized when the asteroid hit, sending about 325 billion tons of gas into the air, blocking out the sun and sending global temperatures plunging.”
“We fried them, and then we froze them,” Professor Gulick said. “Not all the dinosaurs died that day, but many dinosaurs did,” he added. “Some dinosaurs were burned alive, or drowned, but most shivered and starved to death,” Professor Gulick’s team concluded. “While the explosion on impact and the fires and huge waves killed living things in their local vicinity, it was the gas cloud which caused worldwide extinctions.” Professor Gulick added: “The real killer has got to be atmospheric. The only way you get a mass global extinction like this, is an atmospheric effect.”
Mr. Blanchard notes that “the team’s research was published in the journal, Proceedings of the National Academy of Sciences (PNAS).”
In December 2018, Molly Range, from the Department of Earth and Environmental Sciences at the University of Michigan, presented research at the American Geophysical Union’s annual meeting in Washington D.C. that suggested the tsunami/water in the Gulf of Mexico water moved as fast as 89 mph (143 km/h),” Ms. Range said. “After the initial nearly mile-high (1.5 km) wave, other huge waves rocked the world’s oceans.” Ms. Range believes the Gulf of Mexico saw waves as high as 65 feet (20 meters) in some spots, and 328 feet (100 m) in others.
Pretty cool stuff. RCP, fortunascorner.com