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Did Giant Salt Lakes Cause Permian Mass Extinction ???

1. New Theory On Largest Known Mass Extinction In Earth's
History, Science Daily, March 31, 2009

"The largest mass extinction in the history of the earth 
could have been triggered off by giant salt lakes, whose 
emissions of halogenated gases changed the atmospheric 
composition so dramatically that vegetation was 
irretrievably damaged"


2. New theory on largest known mass extinction in the 
history of the earth. Did volatile halogenated gases from 
giant salt lakes at the end of the Permian Age lead to a 
mass extinction of species?


and http://www.ufz.de/index.php?de=17896

Weissflog, L. N.F. Elanskii, K. Kotte, F. Keppler, A.
Pfennigsdorff, C.A. Lange, E. Putz, L.V. Lisitzina, 2009,
Late Permian Changes in Conditions of the Atmosphere and
Enviroments Caused by Halogenated Gases. Dokladi Earth
Sciences. vol. 424, no. 6, pp. 818-823.



Paul H.