Alexandra Boghosian, S. Isabel Cordero, Lamont-Doherty Earth Observatory, United States; Carmine Elvezio, Sofia Sanchez-Zarate, Ben Yang, Shengyue Guo, Qazi Ashikin, Joel Salzman, Columbia University, United States; Kirsty Tinto, Lamont-Doherty Earth Observatory, United States; Steve Feiner, Columbia University, United States; Robin Bell, Lamont-Doherty Earth Observatory, United States