Now consider the advantage both grogs had over their speechless cousin apes, who could give no specific information on food sources or precise danger. ‘Literate’ means you can read or right, which presupposes that you have a writing system to work with. The date of the impact coincides precisely with the Cretaceous–Paleogene boundary(commonly known as the "K–Pg boundary"), slightly more tha… “We couldn’t duplicate the Giza plateau construction today if our bloody lives depended on it! This behavior is an intrinsic part of who and what we are. –AGF, Al in Cranbrook, how expert are you in comparative mythology, linguistic evolution or cultural transmission. Science is based on observations, not guesses that there might be as yet unobserved observations. –AGF, Quick and easy – https://en.wikipedia.org/wiki/List_of_flood_myths. It wasn’t a chondrite. In the mountains of New Mexico, scientists have found evidence for an ancient meteorite strike -- even though the impact crater is long gone. Homo erectus used their stone tools to strip meat from carcasses and to cut through tendons and ligaments, allowing joints to be broken. I almost stopped listening to her at that point. Foster, apparently you averted your eyes to the contents of said Clovis point site map. If an A-bomb fries my laptop I’ll have worse things to worry about than EMP. Oh, my, my, ….. David, ….. I should note, too, that these two trace elements, among others, appear in elevated levels in the layer dated to 13,000 years ago, or the YDB. What he brought home clinched the case for a grand discovery. “The researchers proposed that besides changing the plumbing of the North Atlantic, the impact also ignited wildfires across two continents that led to the extinction of large mammals and the disappearance of the mammoth-hunting Clovis people of North America.”, “Moore and Kennett24 concluded that impact-triggered climate change caused the prehistoric villagers at Abu Hureyra to transition from hunting/gathering to cultivation, indicative of earliest agriculture…”, Notice at least that this hypothesis isn’t very compatible with the barely more scientific theory that rising CO2 concentration catalyzed the appearance of agriculture. Each post generally deals with a specific aspect because…, Since the introduction of the hypothesis, there have been many scientific publications supporting it and some against it10,25,26,27,28,29. Trying to figure out what happened in the past is never as easy as one might think. Arizona - Some 50,000 years ago, a 150-foot-wide meteor weighing several hundred thousand tons entered Earth’s atmosphere, hurtling down at speeds of 26,000 miles … A G Foster, ….. There are three facets of such an event, if close enough to the earth at that time, which could have consequence: 1) Radiation wave, traveling almost at light speed; 2) Shock wave, considerably slower; 3) Debris wave, much slower. Catastrophic, such as Toba super volcano event 75,000 years ago, which happens to coincide with a bottleneck in mitochondrial DNA, implying as few as several thousand humans may have been the sole survivors. That said, about half of the Rancholabrean extinctions do appear to have occurred in a short (~2,000 yr) period in the Terminal Pleistocene. To Tierney: And just what was “the flood”? You seem to be wishing the almost world wide proxy evidence away. Proponents of the YDB impact theory would be better served by sticking to the less ambiguous evidence. Sorry, your blog cannot share posts by email. Silly. That a cataclysm of global proportions may have occurred at the onset of the Younger Dryas seems to fill in a helluva lot of blanks. Foster, check out this Post-Glacial Sea Level Rise proxy graph and note that when the glaciers melted the sea level increased by 140 meters (450 feet). Read The Bib and tell me, why on earth would you defend the status of quo of impact science, and consider it any less beholden to politicization than “climate science”? The site with the highest chrono-stratigraphic resolution, the GISP2 ice core, clearly shows that the biomass burning occurred about 30 years after the impact, therefore the impact didn’t cause the biomass burning. But keep it up, Foster, …… cause I got more scientifically factual answers than you have miseducated questions to be asking. It is heard the Science reviewers struck all 27 original references to the YDIH, and not one remained, which is clearly suppressive. https://www.lpi.usra.edu/science/kring/Chicxulub/regional-effects It seems clear, that our ancestors had now shifted their status, from prey to predator. tty, …… to get from the Pacific coast to Montana, …….. one has to cross over the northern end of the Rocky Mountains. Unfortunately, it contradicts one of the favored hypotheses: The bolide triggered widespread fires, triggering a sort of nuclear winter, sinking Earth into the Younger Dryas cooling period. Be still, my beating heart! Artifacts found with the body show the boy was part of the Clovis culture, which existed in North America from about 13,000 years ago to about 12,600 years ago and is named for an archaeological site near Clovis, N.M. Good work, Mr. Middleton, and thanks for the bit on African paleontology. Wall Street Journal hypes Biden’s climate alarmist absurd emissions reductions propaganda schemes, Philippines at Crossroads: Paris Pledge Threatens to Compromise Energy Security. “I’d unequivocally predict that this crater is the same age as the Younger Dryas,” says James Kennett, a marine geologist at the University of California, Santa Barbara, one of the idea’s original boosters. One of the problems with his hypothesis as described is that the Cordilleran Ice Sheet in British Columbia mostly melted out several thousand years prior to the YD. When big game disappeared the population plummeted. The GISP 2 anomaly (Petaev et al., 2013) is most compelling. A new study explores novel technology for COVID-19 diagnosis using ultrasound. They theorize that it was the wave of material propelled across space that set off a chain of events circa 13,000 years ago. I remember going from California to Montana without crossing the Northern Rockies. There are dinosaurs in the inter-trappan beds, so the Deccan eruptions started well before the extinctions. Two interesting reads, if you haven’t already: Hidden History of the Human Race (condensed version of Forbidden Archeology ) by Michael Cremo – stuff conventional science prefers to sweep under the nearest rug. We often think of Africa’s Serengeti as a beautiful untouched wilderness. Invent the crossbow? Holsinger Meteorite, the largest specimen ever found at Meteor Crater. Perhaps deeper is the human desire to find the cause for every effect. A place that serves as the last stronghold for the animals that ruled the Earth before humanity, but this is sadly not the case. Not knowing did not help feed your family, or hunt a woolly mammoth. YEAH, we know, …… Foster, …… iffen an astronaut can soar to the Moon in less than a week, ….. those early immigrants couda, shouda been able to walk across North America in a couple days. Hiawatha crater was the result of an iron or iron-nickel asteroid impacting the Earth. for any up & coming geologist. https://cosmictusk.com/intrigue-at-science/, “Walk toward the fire. Clearly impacts have impacted life on the planet and the planet itself..as the moon was a major collision. It wasn’t a small fragment. The subject of this post is limited to the reasons why the GISP2 platinum anomaly and Hiawatha crater do not support any version of the YDB impact hypothesis. That last statement is brilliant. –AGF. Chicxulub Crater - The impact that changed life on Earth image copyright NASA image caption The outer rim (white arc) of the crater lies under the … That’s why we split geological epochs there, do you use the terms Holocene and Pleistocene? That type of damage is not produced by any other geologic p… Ambiguity was/is literally the enemy. During some space conference or other (they run together), I sat in on a talk by Dr. Amy Mainzer. And neither group had horses, or boats, or wagons (wheels) …… but Lewis and Clark did, ….. and so did 99% of the Europeans in their quest for Manifest Destiny. Middleton, if the cavalry were coming for your motley band you would take target practice at their horses. In my decades of investigating and studying root cause analysis, the most significant basic “cause” out there (amongst us humans) is that we evolved to intrinsically want answers. We’ve always assumed that it caused a global winter lasting long enough to kill off the dinosaurs. Thank you, David, once again, for an educational post. His specious and desperate arguments reveal a mind impervious to sound argument. These ruins in ancient Cuzco demonstrate a complexity in construction that defies comprehension – https://hiddenincatours.com/the-giant-builders-of-ancient-cusco-peru/ How is it that the oldest monolithic constructions, virtually anywhere in the world one cares to look, are of superior design and construction than later attempts? It looks pre-collision of the mass that created the Blue Ridge mountains as that has made the rest of the rim disappear. There is little doubt that this is an impact crater, a fairly big one. Petaev et al., 2013 and, to a lesser extent, Moore (Christopher) et al., 2017 pretty conclusively demonstrate that a significant impact event occurred at or near YDB time. – The research aims to find evidence of the origin of the universe and the evolution of life on Earth. Newsom and his colleagues, Shawn Wright and Wolf Elston, recently organized a public field trip to investigate the Santa Fe impact structure and the surrounding area. The loss of big game left them poorly equipped to compete with less numerous small game hunters, if they even existed at the time (they probably did). They are quite convinced it is young enough to be the YDI crater. Of course what really happens when the game are hunted to extinction is the hunters go extinct with them, hence the disappearance of Clovis spearheads in America. 4. eaar8173. ”. Just because you may have personal history of calling the YD unexceptional, does not undermine the evidence something profoundly significant happened at that moment. and then someone discovered a fossilized Archaeopteryx …….. and a majority of the world had to be reeducated whether they liked it or not. Worse, turning effects into causes! New evidence found in the Chicxulub crater suggests the black carbon that filled the atmosphere after an asteroid struck Earth 66 million years ago was caused by the impact and not massive wildfires. When an impacting asteroid and/or comet hits that crust, it produces enormously high shock pressures. Meh, the Tigris and Euphrates flooded all the time. Subsequent efforts to reproduce their work from similar materials have yielded different results. There was no crater, but there were other, more subtle signs that an impact had occurred here too. “Australia lost 14 of its 16 genera of Pleistocene mammalian megafauna along with “all megafaunal reptiles” (Koch & Barnosky, 2006). There are two approaches to this taken regarding this event: a) using science to explain it away in order to, IMHO, protect a narrative (bordering on ideology) – Uniformitarianism. I thought you knew where all that flood water came from, …….. unless you are one of those misnurtured, ….. miseducated, …… Bible believing creationist. Those that did passed down their version, in their terms that somehow made sense of it all to them, so that it would never be forgotten. I don’t think anyone knows! A massive impact 13-14 ka would have left a very clear mark in the Late Pleistocene-Early Holocene ice record, however there is no indication of a disruptive event in any of the ice cores, not even the nearby (~130 miles) Camp Century…. So, here’s my question: If an octogenarian at the end of a hagiographic climate career can admit he was dead wrong about his most important claim – which had been pimped in print, film and TV as a fearful example of abrupt climate change – why can’t a climate truth pajama blogger like you? The Age of the Dinosaurs, ….. about 252 million years ago to about 66 million years ago. For anyone interested, the full text is available. Pretty tough to discover anything when one is in the first place convinced it never existed, eh? Three centuries? Proponents of a Younger Dryas impact now feel vindicated. Microbes were the allies of the Spanish. All that is known about their at-distance communication is some kind of knot signaling. A Visit to the Santa Fe Impact Crater: The Santa Fe impact crater is exposed in a valley in the Sangre de Cristo Mountains, along NM 475, between Santa Fe, NM, and Hyde Memorial State Park. “DUH”, and that is why the child’s DNA more closely related to those in Central and South America. Primitive technological breakthroughs were typically genetically imperialistic. Al Gore and Bill Nye FAIL at doing a simple CO2 experiment, List of excuses for ‘The Pause’ in global warming, Climate Change Will Increase the Number and Severity of Tornadoes. This is a feature, not a bug. This allows me much certainty to the point that I “know” my belief is fact…”. The resulting explosion packed the energy of 700 1-megaton nuclear bombs, and even an observer hundreds of kilometers away would have experienced a buffeting shock wave, a monstrous thunder-clap, and hurricane-force winds. You couldn’t give a single example of a universal legend or myth, let alone one that has proven to have a historical basis. I linked to the full text of Kjær et al., 2018. Every year I drive from Alaska to Maryland and back, and manage to avoid the Rockies altogether. There is ample evidence of the Comet Research Groups Hypothesis: https://youtu.be/U2acXpGC15w, https://cometresearchgroup.org/comets-diamonds-mammoths/#impact-overview. 10.1126/sciadv.aar8173. I have adopted a “better safe than sorry” attitude, and, lucky me, discovered a Tom Clancy book I bought and forgot to read. It must be those big game diseases the newcomers carry. If the object struck an ice sheet, it would have tunneled through to the bedrock, vaporizing water and stone alike in a flash. The Scientific Method is designed to counter that, by pitting one cause against another. Group think is an evolutionary advantage in a world that is not even remotely understood. Ours? Are you saying that, since the ice cores distant from Hiawatha still show the YD and layed ice above and below, this means there was no impact at the YD-start? And also contributed to Lake Missoula massive flooding events creating the scablands in eastern Washington State. they cudda, wudda, shudda, ……. The Santa Fe impact structure is an eroded remnant of a bolide impact crater in the Sangre de Cristo Mountains northeast of Santa Fe, New Mexico. I did not know the above was a standard practice associated with paleontological research, ….. thus I sincerely apologize for questioning any of you commentary associated with the “origin and/or evolution of the species”, ….. the biology of planet earth ….. or any of the sciences of the natural world. The Coelacanth required a very large adjustment (>66 million years), when subsequent observations found it to still be extant. Graphite coated diamonds actually occur in Kimberlites. “Before the Taqba Dam impounded the Euphrates River in northern Syria in the 1970s, an archaeological site named Abu Hureyra bore witness to the moment ancient nomadic people first settled down and started cultivating crops. Causes contaminate even peripherally involved science. PS: Say hello to Harris County/Houston for me. Interesting geologic posting, David. Later, rock debris might have rained down on North America and Europe, and the released steam, a greenhouse gas, could have locally warmed Greenland, melting even more ice. Indeed, literally tens of millions of people were witness to the event, most of whom did not survive. And because I call the ancients ‘illiterate’ it means I think they were knuckle draggers. Sort of sounds like the preaching of climate science and similar people lap it all up, including politicians and media type. This list includes all 60 confirmed impact craters in North America in the Earth Impact … They go into a particular field or discipline because they have a cause. It would be 3000 years before any Folsom points showed up; this was a different technology entirely, probably based on much smaller bands than the Clovis. –AGF”. We have published over 60 peer-reviewed highly controversial papers — that destroy the paleoclimate story you yourself decry — and you dismiss out of hand, again and again. Experience and disciplined, logical analysis teaches this lesson to many…. Mind you these were people with high mortality (i.e., short life spans). PS, that was a ‘hyperlink’, click-it and broaden your knowledge of the subject. Terminal Pleistocene dates also possibly are lacking for some genera because they did not survive to that time. The explosive force is often compared to a nuclear detonation, and the debris tossed high into the atmosphere can alter our planet´s climate. The unambiguous evidence is over 100 sites on multiple continents presenting material at well dated strata that could not be without hellish temps >2200 C. That’s a fact and probably why in your post above, you lead with a sensational reporting of the fact, but do not address the journal article that inspired the news article. Big game hunting is efficient: one kill feeds the band for a week. I would finish by quoting Freeman Dyson: What the world needs is more heretics. “ The other hypothesis suggests extinction was linked to overexploitation of native prey by newly arrived humans. Why did the EU invite Greta Thunberg and not Nobel Prize winner William Nordhaus? AIC seems to think the Incas were literate. In each post, I highlight a specific “experiment” that failed. There was an archaeologist who managed to convince himself, as I recall from reading notes in the visitor center, that these had to be water-control features constructed by the Pueblo culture to direct water from rainfall towards the settlements in the canyon, and their agriculture on the adjacent canyon floor. But he did make some sciency sounding videos that sort of made sense to a semi knowledgeable lay person, until of course the evidence is found to be lacking. The loss of big game left them poorly equipped to compete with less numerous small game hunters, if they even existed at the time (they probably did). However, not long before he died last year, Wally Broecker sent a memo to his team at Lamont-Doherty admitting that his iconic period – the Younger Dryas – was indeed the result of a globe cooling impact. Al in C, …… given the fact that historical “examples” of Clovis Point napping has only ever been found in North America, …… in the specific locale of what is now known as America or the USA, …… then I have to assume that it was a part or portion of the native American population that developed or invented the “napping technique” for producing said “Clovis Points”, ….. and according to archeological research, said “Clovis Points” were in use by one or more groups of Native Americans for like 400 years (from about 13,000 years ago to about 12,600 years ago).
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