July 27, 2020
DNA scientist Professor Eske Willerslev, of St John’s College, University of Cambridge, and director of The Lundbeck Foundation GeoGenetics Centre, University of Copenhagen, led the study with archaeologist Dr Ciprian Ardelean, of the University of Zacatecas in Mexico, working at the cave site in northern Mexico have uncovered 2000 stone tools which they claim date back to 25,000-30,000 years ago.
The cave is at 2,750 metres above sea level. DNA analysis of the plant and animal remains around the stone tools are dated to that very early date. There has been no human DNA found there. The animal remains found in the cave include black bears, rodents, bats, voles and even kangaroo rats.
The team believes this was a seasonal outpost for hunters and gatherers to come and exploit natural resources from time to time. It was a good defensive perch for these folks. The researchers have spent 10 years studying the cave and sometimes living in it.
(My note; This story has been widely reported, and it is important to note that human tools with these kinds of ancient dates have been claimed in many places in the Americas. The most important element of Human DNA, and any human artifacts other than stone tools like housing posts, fabrics that can be dated, etc. are missing in all of these places but for two, Paisley Cave in Oregon and Monte Verde in Chile, which date back to 14,500 years ago. I am sure more will be found in time.
Archaeologists at the Topper Site in South Carolina, for instance, are claiming stone tools dated to 50,000 years ago. Again, no human DNA or human artifacts other than stone tools have been found.)
Go here and scroll down to Topper Site to read these claims;
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Story Source:
Materials provided by St John’s College, University of Cambridge. Note: Content may be edited for style and length.
Journal Reference:
Ardelean, C.F., Becerra-Valdivia, L., Pedersen, M.W. et al. Evidence of human occupation in Mexico around the Last Glacial Maximum. Nature, 2020 DOI: 10.1038/s41586-020-2509-0
Science Daily has the report here;
https://www.sciencedaily.com/releases/2020/07/200722112726.htm
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