North American Comet Catastrophe 10,900 BC Part 2

American Geophysical Union (AGU) Press Conference - Part 2 of 7

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Investigations of a buried layer at sites from California to Belgium reveal materials that include metallic microspherules, carbon spherules, nanodiamonds, fullerenes, charcoal, and soot. The layer's composition may indicate that a massive body, possibly a comet, exploded in the atmosphere over the Laurentide Ice Sheet 12,900 years ago. The timing coincides with a great die-off of mammoths and other North American megafauna and the onset of a period of cooling in Northern Europe and elswhere known as the Younger Dryas Event. The American Clovis culture appears to have been dramatically effected, even terminated, at this same time. Speakers will discuss numerous lines of evidence contributing to the impact hypothesis. The nature and frequency of this new kind of impact event could have major implications for our understanding of extinctions and climate change.

Category:

News & Politics

Tags:

• AGU
• Press
• Conference
• Acapulco
• Younger
• Dryas
• comet
• impact
• extra
• terrestrial
• clovis
• canada
• firestone
• kennett
• becker
• west

[USAsoldier1955]

@1DragonHunter Amen!  :)

[bluenail90]

@barrenpaladin And titanium, which hasn't been found in impacts before.

[1DragonHunter]

The science of fluid mechanics has the trump card in this. Look to the patterns of movement and flow of the Chihuahuan ignimbrites. They are all on the surface in pristine condition. And their movements during emplacement are easy to read. The answer to this mystery is in plain sight for all to see if they will but look. The heat, and pressure to melt, and move them came from above.

The Chihuahuan ignimbrites are the planetary scars of a giant, multiple, explosive fragment impact event.

[okmedia]

Yet people refuse to believe that it could happen again.

[barrenpaladin]

high concentrations of iridium indicated by products of high energy weapons. albeit alien at that...

[symmetry08]

I saw many small sized lakes with butterfly shapes in Pennsylvania. How about them?

[TravelerDiogenes]

Shoemaker himself saw impacts where others did not, and the entire field of impact research is so much in its infancy that they are still finding out what clues mean what.

With an airburst over Sault Ste Marie - if in or near the atmosphere - the lateral fragments would have dug out the arcing shapes of Lake Superior and Lake Huron. The further out, away from the axis/main path, the further along the path the lake bed was plowed.

This would be VERY hard to physically model, but seems clear.

[TravelerDiogenes]

Total speculation:

The bit about a fragmented air burst over the Great Lakes is especially intriguing and has possibilities. I wonder if the researchers have seen the very SHAPES of the lakes themselves as being evidence of that air burst. I have always noticed the splayed shape of them, radiating outward from about Sault Ste Marie.

I saw this on a documentary on TV a year ago, and saw the possibility that Lake Michigan might have been plowed up by an impact.

....cont'd....

[TravelerDiogenes]

I have been into Tunguska and impacts for 30+ years. Also into extinctions about as long. I always was repelled by the implausible idea that a few thousand Clovis hunters would have wiped out the megafauna in N.A., for multiple reasons. So I am predisposed to accept this one, but it still has to prove itself, IMHO.

This hypothesis seems to have very bit of evidential support as the 65M impactor at Chicxulub.

cont'd...

[rtwhitaker]

Very interesting information in this video.

I have one word for the camera man: tripod! :)

Very interesting video nonetheless