Grain size influences the detrital zircon record associated with the largest negative carbon isotope excursion in Earth history

Marjorie Cantine1, Jacob Setera2, Chiza N Mwinde3, Blair Schoene4 and Kristin Bergmann1, (1)Massachusetts Institute of Technology, Earth, Atmospheric, and Planetary Sciences, Cambridge, MA, United States, (2)Rutgers University New Brunswick, New Brunswick, NJ, United States, (3)Smith College, Northampton, MA, United States, (4)Princeton University, Department of Geosciences, Princeton, NJ, United States