13 kya: Case Strengthens For Cosmic Explosion Over Canada

["Richard W. Travsky" <rtravsky@uwyo.edu>]

Not dinos, but...

http://www.uc.edu/news/NR.asp?id=8625

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.
[...]