Reorganization of biogenic Si burial decreased reverse weathering, increased seawater Mg/Ca, and cooled the Earth over the past 65 million years

Ann G Dunlea, Woods Hole Oceanographic Institution, Marine Chemistry and Geochemistry, Woods Hole, MA, United States, Richard W Murray, Boston University, Earth and Environment, Boston, MA, United States, Danielle Priscilla Santiago Ramos, Princeton University, Princeton, NJ, United States and John A Higgins, Princeton University, Department of Geosciences, Princeton, NJ, United States