%0 Journal Article %J Chemical Geology %D 2013 %T Searching for an oxygenation event in the fossiliferous Ediacaran of northwest Canada %A Johnston, D. T. %A Poulton, S.W. %A Tosca, N.J. %A T. O'Brien %A Halverson, G. P. %A Schrag, D.P. %A MacDonald, F. A. %B Chemical Geology %V 362 %P 273-286. doi:10.1016/j.chemgeo.2013.08.046 %G eng