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

Macdonald, Francis A.; Strauss, Justin V.; Sperling, Erik A.; Halverson, Galen P.; Narbonne, Guy M.; Johnston, David T.; Kunzmann, Marcus; Schrag, Daniel P.; Higgins, John A.

doi:10.1016/j.chemgeo.2013.05.032

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 mechanistic understanding of relationships between global glaciation, a putative second rise in atmospheric oxygen, the Shuram carbon isotope excursion, and the appearance of Ediacaran-type fossil impressions and bioturbation is dependent on the construction of accurate geological records throu…