The Day the Dinosaurs Died

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Anaxagoras
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The Day the Dinosaurs Died

Post by Anaxagoras » Fri Apr 05, 2019 3:49 am

The Day the Dinosaurs Died (In the New Yorker)

Long story about recent developments in the field. You can read it or listen to it.
The following July, DePalma returned to do a preliminary excavation of the site. “Almost right away, I saw it was unusual,” he told me. He began shovelling off the layers of soil above where he’d found the fish. This “overburden” is typically material that was deposited long after the specimen lived; there’s little in it to interest a paleontologist, and it is usually discarded. But as soon as DePalma started digging he noticed grayish-white specks in the layers which looked like grains of sand but which, under a hand lens, proved to be tiny spheres and elongated ­droplets. “I think, Holy shit, these look like microtektites!” DePalma recalled. Micro­tektites are the blobs of glass that form when molten rock is blasted into the air by an asteroid impact and falls back to Earth in a solidifying drizzle. The site appeared to contain micro­tektites by the million.

As DePalma carefully excavated the upper layers, he began uncovering an extraordinary array of fossils, exceedingly delicate but marvellously well preserved. “There’s amazing plant material in there, all interlaced and interlocked,” he recalled. “There are logjams of wood, fish pressed against cypress-­tree root bundles, tree trunks smeared with amber.” Most fossils end up being squashed flat by the pressure of the overlying stone, but here everything was three-dimensional, including the fish, having been encased in sediment all at once, which acted as a support. “You see skin, you see dorsal fins literally sticking straight up in the sediments, species new to science,” he said. As he dug, the momentousness of what he had come across slowly dawned on him. If the site was what he hoped, he had made the most important paleontological discovery of the new century.
A fool thinks himself to be wise, but a wise man knows himself to be a fool.
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Re: The Day the Dinosaurs Died

Post by Doctor X » Fri Apr 05, 2019 4:23 am

But . . . but the Flood!

--J.D.
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Re: The Day the Dinosaurs Died

Post by Anaxagoras » Fri Apr 05, 2019 4:31 am

Well, the asteroid caused an enormous tsunami, which is like a flood. They seem to have found a site where a lot of the debris washed into.
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Re: The Day the Dinosaurs Died

Post by Doctor X » Fri Apr 05, 2019 4:50 am

ESPAIN THAT SEPTICS!!!!

--J.D.

P.S. I read about this a day ago, and it is a great confirmation of what has been a growing discovery and theory over the past few decades since Luis Alvarez.
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"Doctor X wins again."--Pyrrho
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Witness
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Re: The Day the Dinosaurs Died

Post by Witness » Fri Apr 05, 2019 10:00 am

Wrote about some SJW ranting about that: viewtopic.php?f=6&t=44816&start=3780#p952767

Seems also the press got a bit carried away:
On March 29, prior to the study's publication in a scientific journal, The New Yorker reported that the site contained fossils of pterosaurs, mammals and "almost every dinosaur group known from Hell Creek." However, the study — published online Monday (April 1) in the journal Proceedings of the National Academy of Sciences — makes no mention of dinosaurs, apart from an isolated and incomplete hip bone.

"There seems to be a disconnect between what is described in The New Yorker with what is actually in the peer­-reviewed paper," Stephen Brusatte, a reader in vertebrate paleontology at the School of Geosciences at the University of Edinburgh in the United Kingdom, told Live Science in an email.

Brusatte, who was not involved in the new study, said that the claim would be "awesome" if it were true, but for now, the data simply isn't available.

"I hope there are other dinosaur fossils at the site, and I look forward to hearing more about them," he said.

Lead study author Robert DePalma, who conducted the research as a doctoral candidate in geology at the University of Kansas (KU), told Live Science that "the only information that anyone should be talking about is what's in this published paper, because that's the only thing that can be freely evaluated based on the scientific data."
https://www.livescience.com/65132-creta ... tanis.html

Here's the paper: https://www.pnas.org/content/early/2019 ... 1817407116