Kinetic response of the sedimentary silica cycle to whole system perturbations: evidence from stable and radiogenic Si isotope studies

Shaily Rahman, University of Colorado Boulder, Geological Sciences, Boulder, United States, Xinyuan Zheng, University of Minnesota, Department of Earth and Environmental Sciences, Minneapolis, MN, United States, Gregory F. de Souza, ETH Zurich, Earth and Planetary Sciences, Zurich, Switzerland and Jeffrey W Krause, Dauphin Island Sea Lab, Dauphin Island, AL, United States