diluting catastrophe

8 Nov 2015

An exercise in uniformitarian dilution of the evidence can be witnessed at http://phys.org/print365932414.html ... extinction events are reduced to depletion of vital trace elements. There is a nice graph showing the ups and downs of selenium abundance and the question is asked - could selenium depletion cause mass extinctions? This question is back to front - it should read do mass extinctions also cause selenium depletion (which is the more apt equation).