Steve I Dworkin¹, Julia Steenberg², Noah Trawicki Anderson³, Clinton A Cowan⁴, Andrew Retzler² and Anthony Runkel², (1)Baylor University, Waco, TX, United States, (2)Minnesota Geological Survey, St. Paul, MN, United States, (3)Massachusetts Institute of Technology, Earth, Atmospheric, and Planetary Sciences, Cambridge, MA, United States, (4)Carleton College, Northfield, MN, United States