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www.columbusdispatc h.com
NORTH BEND, Ohio -- The theory is as wild as it is controversial: that a comet, which left no crater, exploded over Canada almost 13,000 years ago, wiped out the woolly mammoth and other land giants and nearly decimated the first known human culture in North America.
"I thought that was a bunch of nonsense," said Kenneth Tankersley, a University of Cincinnati anthropologist.
But by the end of June, Tankersley was a convert.
Now he says that he not only believes the scientists who came up with the theory, but "I've come up with their best evidence."
Originally posted by Byrd
In addition, it requires the comet to kill certain animals that are large but leave other large animals alive. For instance, it killed off the Giant Ground Sloth which was much larger than human beings ... but left bison (also larger than humans) alive.
Early human (clovis) also become extinct in NA and are replaced by newer asian imigrants.
Originally posted by punkinworks
I think they are confusing two different events,I just read an article somewhere, a couple of weeks ago, and I am certain that the event that dug up the diamonds was an impact 290 mya in the canadian shield, that formed 62 mile across Manicouagan crater.
I dont dispute either event, as I have mentioned in other posts, there is geological evidence for the cometary event of 13k years ago.
The ash layer that can be found throughout north america is a good one.