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Re: 13 kya: Case Strengthens For Cosmic Explosion Over Canada

Hi All

Best to remain a bit sceptical of this one until we have some more data. All the current evidence has other sources than a single object's fragmentation. A lot of small stuff rains out of the sky from interplanetary dust almost continually. Something a bit more definitive is needed to say this really was a major "impact" - it could well have been a diffuse mass of small Tunguska-scale air-bursts over a large region, so it might well be very difficult to differentiate such a scenario from the steady fall of nano-diamonds, small meteorites and so forth. Need some lake bed cores with very fine-scale temporal resolution.


Richard W. Travsky wrote:

Not dinos, but...


Geological evidence found in Ohio and Indiana in recent weeks is strengthening the case to attribute what happened 12,900 years ago in North America -- when the end of the last Ice Age unexpectedly turned into a phase of extinction for animals and humans to a cataclysmic comet or asteroid explosion over top of Canada.

A comet/asteroid theory advanced by Arizona-based geophysicist Allen West in the past two years says that an object from space exploded just above the earths surface at that time over modern-day Canada, sparking a massive shock wave and heat-generating event that set large parts of the northern hemisphere ablaze, setting the stage for the extinctions.

Now University of Cincinnati Assistant Professor of Anthropology Ken Tankersley, working in conjunction with Allen West and Indiana Geological Society Research Scientist Nelson R. Schaffer, has verified evidence from sites in Ohio and Indiana including, locally, Hamilton and Clermont counties in Ohio and Brown County in Indiana that offers the strongest support yet for the exploding comet/asteroid theory.

Samples of diamonds, gold and silver that have been found in the region have been conclusively sourced through X-ray diffractometry in the lab of UC Professor of Geology Warren Huff back to the diamond fields region of Canada.