Kazeem Ojuade, University of Southern Mississippi, Stennis Space Center, MS, United States, Christopher T Hayes, University of Southern Mississippi, School of Ocean Science and Engineering, Stennis Space Center, United States, Anne Leal, Columbia University, Department of Earth and Environmental Sciences, New York, United States, Robert F Anderson, Lamont Doherty Earth Observatory of Columbia Univeristy, Palisades, United States, Martin Q Fleisher, Lamont -Doherty Earth Observatory of Columbia University, Palisades, United States, R. Lawrence Edwards, University of Minnesota, Department of Earth Sciences, Minneapolis, United States and Juzer Shaikh, University of Minnesota, Department of Earth Science, Minneapolis, United States