Scientists offer new theory for largest known mass extinction
Monday, March 30, 2009 - 07:28
in Earth & Climate
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. At least that is what an international team of scientists have reported in the most recent edition of the "Proceedings of the Russian Academy of Sciences" (Dokladi Earth Sciences).
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