High-precision Timeline for End-Permian Extinction
End-Permian Extinction Was Nearly Instantaneous,
According To MIT Researchers, RedOrbit, Feb. 11, 2014
http://www.redorbit.com/news/science/1113068160/mass-extinction-happened-faster-than-previously-believed-021114/
It Took 60,000 Years to Kill Nearly Everything on
Earth by Becky Oskin, Live Science, Feb. 10, 2014
http://www.livescience.com/43245-permian-mass-extinction-duration.html
Giant mass extinction may have been quicker than
previously thought, Science News, Tuesday, Feb. 11, 2014
http://esciencenews.com/articles/2014/02/11/giant.mass.extinction.may.have.been.quicker.previously.thought
An extinction in the blink of an eye. MIT researchers
find that the end-Permian extinction happened in
60,000 years — much faster than earlier estimates.
Jennifer Chu, MIT News Office, February 10, 2014
http://web.mit.edu/newsoffice/2014/an-extinction-in-the-blink-of-an-eye-0210.html
The paper is:
Burgess, S. D., S. Bowring, and S.-Z. Shen, 2014,
High-precision timeline for Earth’s most severe
extinction PNAS 2014 ; published ahead of print
February 10, 2014, doi:10.1073/pnas.1317692111
http://www.pnas.org/content/early/2014/02/04/1317692111.abstract
Yours,
Paul H.