SHIFT IN GLOBAL OCEAN REDOX STRUCTURE CAPTURED BY URANIUM ISOTOPES FROM 1.84 GA ROVE FORMATION (ONTARIO, CANADA) BLACK SHALES
KUNERT, Alex, Department of Earth and Environmental Sciences, University of Waterloo, 200 University Ave W, Waterloo, ON N2L 3G1, CANADA, POULTON, Simon W., School of Earth and Environment, Univ. of Leeds, Leeds, LS2 9JT, United Kingdom and KENDALL, Brian, Department of Earth and Environmental Sciences, University of Waterloo, Waterloo, ON N2L 3G1, CANADA