Palanth Forum
August 24, 2019, 11:37:30 AM *
Welcome, Guest. Please login or register.

Login with username, password and session length
 
   Home   Help Search Login Register  
Pages: 1
  Print  
Author Topic: California's Channel Islands Hold Evidence of Clovis-age Comets  (Read 1147 times)
trehinp
Palanth Member
****
Offline Offline

Posts: 289



« on: July 22, 2009, 02:53:26 AM »

Just for info, i received this through"Newswise.
Quote
California's Channel Islands Hold Evidence of Clovis-age Comets

Newswise A 17-member team has found what may be the smoking gun of a much-debated proposal that a cosmic impact about 12,900 years ago ripped through North America and drove multiple species into extinction.
In a paper appearing online ahead of regular publication in the Proceedings of the National Academy of Sciences, University of Oregon archaeologist Douglas J. Kennett and colleagues from nine institutions and three private research companies report the presence of shock-synthesized hexagonal diamonds in 12,900-year-old sediments on the Northern Channel Islands off the southern California coast.

Source: University of Oregon            Mon 20-Jul-2009 Click here for more

See also the Scientific American summary on the same subject: Click here for more

I won't comment since this isn't my field of interest...

Paul
Logged

Paul Trehin
Pages: 1
  Print  
 
Jump to:  

Powered by MySQL Powered by PHP Powered by SMF 1.1.5 | SMF © 2006-2008, Simple Machines LLC Valid XHTML 1.0! Valid CSS!