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The drainage pathways of meltwater stored in glacial lakes located along the southern margin of the Laurentide Ice Sheet. The direction of meltwater drainage is shown by the yellow arrows. The approximate position of the ice sheet is shown (in white) just before the onset of the Younger Dryas. The ocean colors are surface salinity from the control integration with warm (cold) surface currents shown in red (blue).
Starting about 12,900 years ago, the Northern Hemisphere was abruptly gripped by centuries of cold, an era technically known as the Younger Dryas. Scientists have suggested this chill helped wipe out most of the large mammals in North America as well as the so-called Clovis people. The Big Freeze was not a glacial period, which are colloquially often called ice ages — it was a cold time in the relatively warm spans between glacial periods.
The question still remains what caused it
An international team of scientists has discovered nanosize diamonds in the Greenland ice sheet, according to a study presented in the Journal of Glaciology. The diamonds, which number in the trillions and are so tiny that they can only be observed with special, highly magnifying microscopes, add credence to the controversial hypothesis that fragments of a comet struck North America and Europe approximately 12 900 years ago.
Originally posted by SLAYER69
OK here we go...
It's been discussed, debated and now finally some proof. The question still remains what caused it but at least now they have something new to debated and discuss...
Path of huge flood that caused ancient 'Big Freeze' located
Starting about 12,900 years ago, the Northern Hemisphere was abruptly gripped by centuries of cold, an era technically known as the Younger Dryas. Scientists have suggested this chill helped wipe out most of the large mammals in North America as well as the so-called Clovis people. The Big Freeze was not a glacial period, which are colloquially often called ice ages — it was a cold time in the relatively warm spans between glacial periods.
Seems we still have a ways to go to understand fully the "Big Flood" event. I'm still digging at the idea of coastal flooding that may have submerged ancient early coastal Civilizations and or Cultures..
Originally posted by Hanslune
reply to post by Julie Washington
But the time is off, Slayer is talking about 12,900 BC
Originally posted by olliemc84
reply to post by SLAYER69
The question still remains what caused it
Discovery of nano-size diamonds proves comet stuck earthe 13,000 years ago
An international team of scientists has discovered nanosize diamonds in the Greenland ice sheet, according to a study presented in the Journal of Glaciology. The diamonds, which number in the trillions and are so tiny that they can only be observed with special, highly magnifying microscopes, add credence to the controversial hypothesis that fragments of a comet struck North America and Europe approximately 12 900 years ago.
My guess would be that there was an extra terrestrial impact or atmospheric explosion somewhere within the Laurentide Ice Sheet that caused the glacial lakes to flood into the oceans.
Originally posted by Byrd
The problem with this is that it implies that cultures could only form at the seashores and were terrified of being away from the sight of the ocean -- so terrified, in fact, that they did not hunt or farm or even walk on lands away from the edge of the ocean. This means a group of civilizations so frightened of the land that they didn't even trade with the people who were living in the interior of the land. That they didn't mine, that they didn't quarry stones or cut trees or dig for clay or farm and that they were so terrified of the interior that they didn't move their houses or themselves when the sea levels started to rise.