[meteorite-list] Dark days of the Triassic: Extraterrestrial Impact or Volcanic Eruption?

From: Paul H. <oxytropidoceras_at_meteoritecentral.com>
Date: Thu, 24 Nov 2011 23:43:59 -0600
Message-ID: <20111125004359.923CA.93064.imail_at_eastrmwml205>

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.
Received on Fri 25 Nov 2011 12:43:59 AM PST