REFINING THE RECORD OF PRECAMBRIAN REDOX CONDITIONS USING THE 238U/235U PROXY IN MARINE CARBONATES.


Xi Chen, University of Chicago, Origins Laboratory, Department of the Geophysical Sciences and Enrico Fermi Institute, Chicago, United States, Francois Tissot, Massachusetts Institute of Technology, Earth, Atmospheric & Planetary Sciences, Cambridge, MA, United States; California Institute of Technology, Isotoparium, Pasadena, United States, Andrey Bekker, University of California Riverside, Earth and Planetary Sciences, Riverside, United States, Galen P Halverson, McGill University, Montreal, QC, Canada, Jan Veizer, University of Ottawa, Ottawa, Canada and Nicolas Dauphas, University of Chicago, Origins Laboratory, Department of the Geophysical Sciences and Enrico Fermi Institute, Chicago, IL, United States