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Did a comet hit Canada 12,900 years ago ?

Posted on Tuesday, 25 September, 2012 | Comment icon 7 comments


Image credit: Don Davis/NASA

 
Did a massive impact explosion wipe out humans in North America and initiate a new Ice age ?

It's a theory that has been discussed by scientists for several years now. The period of cooling that began approximately 12,900 years ago and lasting 1,300 years has been well documented however to date the specific cause for this miniature Ice age has remained a mystery. Could a meteor or comet impact have been to blame ?

In 2007 Dr Richard Firestone and his team discovered metal spherules and other particles dating back 12,900 years that are believed to have been the result of a meteor or comet exploding in the atmosphere. "This independent study lends greater credibility to the claim that a major impact event happened at the Younger Dryas Boundary 12,900 years ago," said Dr Albert Goodyear, co-author of the latest study on the topic.

"Among the sites examined was the Topper, one of the most pristine sites in the United States for research on Clovis, one of the earliest ancient peoples."

  View: Full article

 Source: Sci-News.com


  Discuss: View comments (7)

   


 
Recent comments on this story
Comment icon #1 Posted by Little Fish on 25 September, 2012, 12:43
you mean it wasn't carbon dioxide? /sarc
Comment icon #2 Posted by Doug1o29 on 25 September, 2012, 13:11
Did a massive impact explosion wipe out humans in North America and initiate a new Ice age ? Evidence suggests it did. If the Carolina Bays are impact craters from it, then their alignments point to a place just west of Lake Nipigon as the impact site. No impacting object has been found in the Carolina Bays. Could they have been created by large pieces of glacial ice reentering the atmosphere? Lake Nipigon was the site of a major pro-glacial ice dam that held back Lake Agassiz, then the largest freshwater lake on earth. At about this time the dam collapsed, spilling the lake's water into Lake ... [More]
Comment icon #3 Posted by paperdyer on 25 September, 2012, 19:27
I work for the company the dig is on. I've been down to it a couple of times. Very interesting. On part of the site right near the river got flooded a while back. The investigation only restarted there last year. We have some of the find displayed in our main lobby.
Comment icon #4 Posted by Hilander on 25 September, 2012, 19:47
They say the past has a way of repeating itself. What will people do if the gulf stream stops again?
Comment icon #5 Posted by Junior Chubb on 25 September, 2012, 23:36
Did a comet hit Canada 12,900 years ago ? Well at last we know what is at the bottom of the Oak Island Money Pit and where the hole came from...
Comment icon #6 Posted by Ryegrog on 26 September, 2012, 1:10
The asteroid Apophis is coming around in 2029 and 2036. It's suppose to dip below communication satellites. Very close.
Comment icon #7 Posted by MidKn13ght on 26 September, 2012, 22:39
I pose a question!!! These uber comets/astroids/meteors whatever we call them today. If one was so big and smashed into us, then how can we offically guesstimate what weather and life was like thousands of years ago. Wouldnt that impact have shifted the earths course??? I ask this because several years back we had that earthquake.. that threw off the earth's tilt or something.... which "suposively" had an impact on our weather??? maybe im reading to many articles and crossing them now...... lol


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