Morgan Okeson, University of Kansas, Lawrence, KS, United States, Pamela L Sullivan, Oregon State University, College of Earth, Ocean, and Atmospheric Science, Corvallis, OR, United States, Chi Zhang, University of Kansas, Department of Geology, Lawrence, KS, United States, Michael Behm, University of Oklahoma Norman Campus, School of Geosciences, Norman, OK, United States and Daniel Hirmas, University of California Riverside, Department of Environmental Sciences, Riverside, CA, United States