Skip to comments.Stunning Cave Discovery Just Changed The Timeline of Human Presence in North America
Posted on 07/23/2020 2:46:21 PM PDT by Candor7
Tools excavated from a cave in central Mexico are strong evidence that humans were living in North America at least 30,000 years ago, some 15,000 years earlier than previously thought, scientists said Wednesday.
Artefacts, including 1,900 stone tools, showed human occupation of the high-altitude Chiquihuite Cave over a roughly 20,000 year period, they reported in two studies, published in Nature.
"Our results provide new evidence for the antiquity of humans in the Americas," Ciprian Ardelean, an archeologist at the Universidad Autonoma de Zacatecas and lead author of one of the studies, told AFP.
"There are only a few artefacts and a couple of dates from that range," he said, referring to radiocarbon dating results putting the oldest samples at 33,000 to 31,000 years ago.
"However, the presence is there."
No traces of human bones or DNA were found at the site.
"It is likely that humans used this site on a relatively constant basis, perhaps in recurrent seasonal episodes part of larger migratory cycles," the study concluded.
The stone tools unique in the Americas revealed a "mature technology" which the authors speculate was brought in from elsewhere.
The saga of how and when Homo sapiens arrived in the Americas the last major land mass to be populated by our species is fiercely debated among experts, and the new findings will likely be contested.
"That happens every time that anybody finds sites older than 16,000 years the first reaction is denial or hard acceptance," said Ardelean, who first excavated the cave in 2012 but did not discover the oldest items until 2017.
Until recently, the widely accepted storyline was that the first humans to set foot in the Americas crossed a land bridge from present-day Russia to Alaska some 13,500 years ago and moved south through a corridor between two massive ice sheets.
Archaeological evidence including uniquely crafted spear points used to slay mammoths and other prehistoric megafauna suggested this founding population, known as Clovis culture, spread across North America, giving rise to distinct native American populations.
But the so-called Clovis-first model has fallen apart over the last two decades with the discovery of several ancient human settlements dating back two or three thousand years earlier.
Moreover, the tool and weapon remnants at these sites were not the same, showing distinct origins.
"Clearly, people were in the Americas long before the development of Clovis technology in North America," said Gruhn, an anthropology professor emerita at the University of Alberta, commenting on the new findings.
In a second study, Lorena Becerra-Valdivia and Thomas Higham, researchers at the University of Oxford's Radiocarbon Accelerator Unit, used radiocarbon backed up by another technique based on luminescence to date samples from 42 sites across North America.
Using a statistical model, they showed widespread human presence "before, during and immediately after the Last Glacial Maximum" (LGM), which lasted from 27,000 to 19,000 years ago. Megafauna wiped out
The timing of this deep chill is crucial because it is widely agreed that humans migrating from Asia could not have penetrated the massive ice sheets that covered much of the continent during this period.
"So if humans were here DURING the Last Glacial Maximum, that's because they had already arrived BEFORE it," Ardelean noted in an email.
Human populations scattered across the continent during an earlier period also coincide with the disappearance of once-abundant megafauna, including mammoths and extinct species of camels and horses.
"Our analysis suggests that the widespread expansion of humans through North America was a key factor in the extinction of large terrestrial mammals," the second study concluded.
Many key questions remain unanswered, including whether the first of our species to wander across the frozen tundra of Beringia made their way south via an interior route or as recent research suggests by moving along the coast, either on foot or in boats of some kind.
It is also a mystery as to "why no archaeological site of equivalent age to Chiquihuite Cave has been recognised in the continental United States," said Gruhn.
"With a Bering Straits entry point, the earliest people expanding south must have passed through that area.
Long been proof, it’s just that the lamestream archaeologist, etc., etc. are stuck on stupid and sticking to their preferred lamestream academic BS.
I guess the key to achieving “indigenous” status is to drive out or slaughter all those that came before you, and then to erase the record of their existence. In pre-literate societies, that last step is unnecessary.
i LOVE seeing the ‘Clovis first’ defenders getting their final death blow... having run up against these dinosaurs in years passed, it’s great to see an end to their charade.
Here is another article about the pre - clovis cave in Mexico. it has photos of the tools involved.
Well there go those reparations.
The glaciers and their aftermath washed away relics from early America. People have been her a long, long time.
I go out to caves and bury shoehorns and those little drink umbrellas.
Lets see those archeologists explain those.
More proof that Atlantis may have been in North America and that it was wiped out by comet impacts 12,900 years ago during the Younger Dryas.
Add 15K more years, and they still couldn’t develop a rifle. A sailing ship. Or anything useful that compares to inventions and discoveries that blossomed from Christian minds.
It seems as iif there is a Divine creator who gives wisdom to people who assemble their minds to worship Him.
Once a professional academic has published anything, which they must do if they’re to get tenure (what the Chinese call an “Iron Rice Bowl”), they will defend that ground like an angry wolverine. It’s what creates a 20 to 50 year lag in Archaeology catching up to the latest finds and data. The “experts in their field” literally have to die off. Egyptology is probably the best example. And of course, the affliction is rampant in nearly every branch of science.
'The Stone Age lasted roughly 3.4 million years, from 30,000 BC to about 3,000 BC, and ended with the advent of metalworking.
The above GOOGLE answer applies to Europe. It doesn't apply to North America because the stone age in North America ended in 1492. Until then it was all stone aged material. The southern indigenous people (and some North American indigenous people) worked with gold and copper... Pure metals that can be heated and melted into forms, but other than that, no metallurgy existed.
So how do you determine the age of a stone aged tool in North America? My assertion is that you cannot determine the age of stone aged materials in North and South America.
Am I wrong?
Lost me right there....
They found the home videos of Fred and Barney but are keeping them under wraps... : )
Neither sails nor firearms were invented by Christians.
They lasted 20,000 years. The US may collapse before 500 years.
The difference? There were no communists 20,000 years ago. And no public schools to indoctrinate kiddos into the wonders of the totalitarian state.
“So if humans were here DURING the Last Glacial Maximum, that’s because they had already arrived BEFORE it,” Ardelean noted in an email.
One might wonder if perhaps man’s history goes far, far back. Maybe we were even technologically advanced tens of thousands of years ago. I read awhile back that a glacial period would basically grind up and extinguish any evidence of an earlier technological period. Perhaps every 40,000 years or so, as an ice age descends, mankind is reduced back to stone-age living.
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