%0 Journal Article %J Chemical Geology %D 2013 %T The stratigraphic relationship between the Shuram carbon isotope excursion, the oxygenation of Neoproterozoic oceans, and the first appearance of the Ediacara biota and bilaterian trace fossils in northwestern Canada %A Macdonald, Francis A. %A Strauss, Justin V. %A Sperling, Erik. A. %A Halverson, Galen P. %A Narbonne, Guy M. %A Johnston, David T. %A Kunzmann, Marcus %A Schrag, Daniel P. %A Higgins, John A. %B Chemical Geology %V 362 %P 250-272 %G eng