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Friday, 25 November 2011

Dark days of the Triassic: Extraterrestrial Impact or Volcanic Eruption?

Dark days of the Triassic: Extraterrestrial Impact or Volcanic Eruption?

An online article in the new issue of Nature discusses 
whether either an extraterrestrial impact or volcanic
eruption caused mass extinctions at the end of the 
Triasssic about 200 million years ago. The article is:


Smith, Roff, 2011, Dark days of the Triassic: Lost world. 
Nature. vol. 479, pp. 287-289. DOI: doi:10.1038/479287a 
http://www.nature.com/news/dark-days-of-the-triassic-lost-world-1.9375  


"Did a giant impact 200 million years ago trigger a 
mass extinction and pave the way for the dinosaurs?"


Free pdf version of the article at:
http://www.nature.com/polopoly_fs/1.9375!/import/pdf/479287a.pdf


Yours,


Paul H.

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