Every summer, for the past eight years, paleontologist Robert de Palma and a caravan of colleagues drive 2,257 miles from Boca Raton to the sleepy North Dakota town of Bowman. They seem to have left the raw data out of the manuscript deliberately, he says.
Robert DePalma Obituary (2010) - Columbus, OH - The Columbus Dispatch [17] This would resolve conflicting evidence that huge water movements had occurred in the Hell Creek region near Tanis much less than an hour after impact, although the first megatsunamis from the impact zone could not have arrived at the site for almost a full day. Using the same formula, the Chicxulub earthquakes may have released up to 1412 times as much energy as the Chile event. Those files were almost certainly backed up, and the lab must have some kind of record keeping process that says what was done when and by whom., Barbi is similarly unimpressed. "That's the first ever evidence of the interaction between life on the last day of the Cretaceous and the impact event," team member Phillip Manning, a paleontologist at the University of Manchester in the United Kingdom, told the publication. It comprises two layers with sand and silt grading (coarse sands at the bottom, finer silt/clay particles at the top). The three-metre problem encompasses that .
Sir David Attenborough's Latest BBC Film To Unearth - Deadline Jan Smit first presented a paper describing the Tanis site, its association with the K-Pg boundary event and associated fossil discoveries, including the presence of glass spherules from the Chicxulub impact clustered in the gill rakers of acipenciform fishes and also found in amber.
A Fossil Snapshot of Mass Extinction | NOVA | PBS Sir David Attenborough presents this landmark documentary which brings to life, in unprecedented detail, the lost world of the very last days of the dinosaurs.
Paleontologist accused of faking data in dino-killing asteroid paper But the fossils also held clues to the season of the catastrophe, During found. A researcher claims that Robert DePalma published a faulty study in order to get ahead of her own work on the Tanis fossil site. High-resolution x-rays revealed this paddlefish fossil from Tanis, a site in North Dakota, contained bits of glassy debris deposited shortly after the dinosaur-killing asteroid impact. ", "Tanis exhibits a depositional scenario that was unusual in being highly conducive to exceptional (largely three dimensional) preservation of many articulated carcasses (Konservat-Lagersttte). It could be just one factor in a series of environmental events that led to their extinction. The Byte reports that the amber was found 2,000 miles away from the asteroid crater off the coast of Mexico believed to be . 2021 (106) December (5) November (8) October (8 . DePalma may also flout some norms of paleontology, according to The New Yorker, by retaining rights to control his specimens even after they have been incorporated into university and museum collections. It features what appear to be scanned printouts of manually typed tables containing the isotopic data from the fish fossils. They've been presented at meetings in various ways with various associated extraordinary claims," a West Coast paleontologist said to The New Yorker. Fragile remains spanning the layers of debris show that the site was laid down in a single event over a short timespan. By looking through this window into the past, we can apply these lessons to today. [10][11] The impactor tore through the earth's crust, creating huge earthquakes, giant waves, and a crater 180 kilometers (112mi) wide, and blasted aloft trillions of tons of dust, debris, and climate-changing sulfates from the gypsum seabed, and it may have created firestorms worldwide. Some recent examples include the 1964 Alaskan earthquake (seiches in Puerto Rico),[14] the 1950 Assam-Tibet earthquake (India/China) (seiches in England and Norway), the 2010 Chile earthquake (seiches in Louisiana). Study leader Robert DePalma conducts field research at the Tanis site. A bad day for dinosaurs was the subject of an engaging hour-and-a-half for both paleontologists and NASA researchers. A meteor impact 66 million years ago generated a tsunami-like wave in an inland sea that killed and buried fish, mammals, insects and a dinosaur, the first victims of Earth's last mass extinction event. Its not clear where McKinney conducted these analyses, and raw data was not included in the published paper. The excavated pointbar and event deposits show that the point bar had been exposed to the air for a considerable time, with evidence of habitation and filled burrows, before an abrupt, turbulent, high energy event filled these burrows and laid down the deposits. We absolutely would not, and have not ever, fabricated data and/or samples to fit this or another teams results, he wrote in an email to Science. The mud and sand are dotted with glassy spherulesmany caught in the gills of the fishisotopically dated to 65.8 million years ago. This had initially been a seaway between separate continents, but it had narrowed in the late Cretaceous to become, in effect, a large inland extension to the Gulf of Mexico. The Chicxulub impact is believed to have triggered earthquakes estimated at magnitude 10 11.5,[1]:p.8 releasing up to 4000 times the energy of the Tohoku quake.Note 1 Co-author Mark Richards, a professor of earth sciences focusing on dynamic earth crust processes[16] suggests that the resulting seiche waves would have been approximately 10100m (33328ft) high in the Western Interior Seaway near Tanis[1]:p.8 and credibly, could have created the 10 11 m (33 36 feet) high water movements evidenced inland at the site; the time taken by the seismic waves to reach the region and cause earthquakes almost exactly matched the flight time of the microtektites found at the site. The paper, in the Proceedings of the National Academy of Sciences (PNAS), does not include all the scientific claims mentioned in The New Yorker story, including that numerous dinosaurs as well as fish were buried at the site. Last modified on Fri 8 Apr 2022 11.20 EDT. As of April 2019, reported findings include: The hundreds of fish remains are distributed by size, and generally show evidence of tetany (a body posture related to suffocation in fish), suggesting strongly that they were all killed indiscriminately by a common suffocating cause that affected the entire population. [1]:p.8 The site formed part of a bend in an ancient river on the westward shore of the seaway,[1]:p.8192[4]:pp.5,6,23 and was flooded with great force by these waves, which carried sea, land, freshwater animals and plants, and other debris several miles inland. He did send Science a document containing what he says are McKinneys data. With David Attenborough, Robert DePalma, Phillip Manning. Although they stopped short of saying the irregularities clearly point to fraud, mostbut not allsaid they are so concerning that DePalmas team must come up with the raw data behind its analyses if team members want to clear themselves. Raw machine data are seldom supplied to end users (myself included) who contract for isotope analyses from a lab that does them., Cochran says DePalma erred in not including these data and their origins in his original manuscript, but the bottom line is that I have no reason to distrust the basic data or in any way believe that it was fabricated., Eiler disputes this. And, if they are not forthcoming, there are numerous precedents for the retraction of scholarly articles on that basis alone.. That same year, encouraged by a Dutch award for the thesis, she began to prepare a journal article. In the comment, During, her co-author Dennis Voeten, and her supervisor Per Ahlberg highlight anomalies in the other teams isotope analysis, a dearth of primary data, insufficiently described methods, and the fact that DePalmas team didnt specify the lab where the analyses were performed. An imagined dinosaur scene just after the asteroid strike that caused a mass extinction, from . "I've been asked, 'Why should we care about this? Proposed by Luis and Walter Alvarez, it is now widely accepted that the extinction was caused by a huge asteroid or bolide that impacted Earth in the shallow seas of the Gulf of Mexico, leaving behind the Chicxulub crater. Melanie During suspects Robert DePalma wanted to claim credit for identifying the dinosaur-killing asteroids season of impact and fabricated data in order to be able to publish a paper before she did. According to the Science article, During suspects that DePalma, eager to claim credit for the finding, wanted to scoop herand made up the data to stake his claim.. In June 2021, paleontologist Melanie During submitted a manuscript to Nature that she suspected might create a minor scientific sensation. DePalma gave the name Tanis to both the site and the river. Robert DePalma, a paleontologist at the Palm Beach Museum of Natural History and a graduate student at the University of Kansas, works at a fossil site in North Dakota. [31][18], A BBC documentary on Tanis, titled Dinosaurs: The Final Day, with Sir David Attenborough, was broadcast on 15 April 2022. The chief editor of Scientific Reports, Rafal Marszalek, says the journal is aware of concerns with the paper and is looking into them. Also, there is little evidence on the detailed effects of the event on Earth and its biosphere. He says the reviewers for the higher-profile journal made requests that were unreasonable for a paper that simply outlines the discovery and initial analysis of Tanis. After his team learned about Durings plan to submit a paper, DePalma says, one of his colleagues strongly advised During that the paper must at minimum acknowledge the teams earlier work and include DePalmas name as a co-author.
High impact paleontology - Medium Paleontologist Robert DePalma believes he has found evidence of the first minutes to hours of that catastrophic event. She and her supervisor, UU paleontologist Per Ahlberg, have shared their concerns with Science, and on 3 December, During posted a statement on the journal feedback website PubPeer claiming, we are compelled to ask whether the data [in the DePalma et al. What's potentially so special about this site? Last month, During published a comment on PubPeer alleging that the data in DePalmas paper may be fabricated. If Tanis is all it is claimed to be, that debateand many others about this momentous day in Earth's historymay be over. At Tanis, unlike any other known Lagersttte site, it appears freak circumstances allowed for the preservation of exquisite, moment-by-moment details caused by the impact event. Still, people's ardor for this group of reptiles is so passionate that 12% of Americans surveyed in an Ipsos poll would resurrect T. rexes and the rest of these mysterious creatures if it were possible. View Obituary & Service Information The bottom line is that this case will just involve bluster and smoke-blowing until the authors produce a primary record of their lab work, adds John Eiler, a geochemist and isotope analysis expert at the California Institute of Technology. . By Dave Kindy. Both papers studied 66-million-year-old paddlefish jawbones and sturgeon fin spines from Tanis. The same day, Ahlberg tweeted that he and During submitted a complaint of potential research misconduct against DePalma and Phillip Manning, one of the papers co-authors, to the University of Manchester. Bottom left, micro-CT image showing cutaway of clay-altered ejecta spherule with internal core of unaltered impact glass. During obtained extremely high-resolution x-ray images of the fossils at the European Synchrotron Radiation Facility in Grenoble, France. The situation was first reported by the publication Science last month.
Paleontologist accused of faking data in dino-killing asteroid paper When we look at the preservation of the leg and the skin around the articulated bones, we're talking on the day of impact or right before. An aspiring novelist, he attended The Ohio State University studying English and Dinosaurs have been dead for so long,'" DePalma told The Washington Post. September 20, 2021.
Fragment of the asteroid that killed off the dinosaurs may have been Notably, the powerful magnitude 9.0 9.1 Thoku earthquake in 2011, slower secondary waves traveled over 8,000km (5,000mi) in less than 30 minutes to cause seiches around 1.51.8m (4.95.9ft) high in Norway. . Robert DePalmashown here giving a talk at NASAs Goddard Space Flight Center in Aprilpublished a paper in December 2021 showing the asteroid that killed the dinosaurs struck Earth in the spring. "It saddens me that folks are so quick to knock a study," he says. Instead, much faster seismic waves from the magnitude 10 11.5 earthquakes[1]:p.8 probably reached the Hell Creek area as soon as ten minutes after the impact, creating seiche waves between 10100m (33328ft) high in the Western Interior Seaway.
Did Richard Sackler Go to Jail? Where is He Now? - The Cinemaholic The skull of the scarred Edmontosaurus also showed signs of trauma, and from the size and shape of the marks on the bone, Rothschild and fellow co-author Robert DePalma, a paleontologist at the . It also proves that geology and paleontology is still a science of discovery, even in the 21 st Century." Using radiometric dating, stratigraphy, fossil pollen, index fossils, and a capping layer of iridium-rich clay, the research team laboriously determined in a previous study led by DePalma in 2019 that the Tanis site dated from precisely . 2023 American Association for the Advancement of Science. If they can provide the raw data, its just a sloppy paper.
THE DAY THE CRETACEOUS ENDED - Magzter Scientists believe they have been given an extraordinary view of the last day of the dinosaurs after they discovered the fossil of an animal they believe . Robert A. DePalma, a paleontologist at the Palm Beach Museum of Natural History and a graduate student at the University of Kansas. He reportedly helps fund his fieldwork by selling replicas of his finds to private collectors. [1]:pg.11 Key findings were presented in two conference papers in October 2017. Perhaps no animal, living or dead, has captivated the world in the way that dinosaurs have.
Tanis (fossil site) How to Know If the Heat Is Making You Sick. This is misconduct, During wrote in an email to Gizmodo. Many theories exist about why the dinosaurs disappeared from the Earth. This explanation was proposed long before DePalma's discovery. [1]:figure S29 pg.53 In 2022, a partial mummified Thescelosaurus was unearthed here with its skin still intact.[7].
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