1. Department of Geosciences, Auburn University, Auburn, USA
2. School of Earth, Ocean, and Environment, University of South Carolina, Columbia, USA
3. Department of Geology and Environmental Science, James Madison University, Harrisonburg, USA
4. Department of Geological Sciences, State University of New York College at Geneseo, Geneseo, USA
5. Department of Marine, Earth and Atmospheric Sciences, North Carolina State University, Raleigh, USA
6. Department of Geology and Environmental Geosciences, Northern Illinois University, DeKalb, USA
7. Department of Geography and Geology, Eastern Michigan University, Ypsilanti, USA