Siberian Extinction 250mya- 22OCT09

Siberian volcanism 'wiped out world's forests' 250m years ago

Siberian volcano 'wiped out world's forests' 250m years ago
A huge Siberian volcano destroyed the world's forests 250
million years ago in what scientists say was the worst extinction
event the planet has ever witnessed, new research has disclosed.
Telegraph, UK,

http://www.telegraph.co.uk/science/science-news/6253147/Siberian-volcano-wiped-out-worlds-forests-250m-years-ago.html

Sephton, M. A., H. Visscher, C. V. Looy, A. B. Verchovsky,and J. S.
Watson, 2009, Chemical constitution of a Permian-Triassic disaster
species. Geology. vol. 37, pp. 875-878, doi:10.1130/G30096A.1

http://geology.gsapubs.org/content/37/10/875.abstract

Source: Paul H., USA