Kenneth G Miller, Rutgers Univ, Earth and Planetary Sciences, Piscataway, NJ, United States, James V Browning, Rutgers University, Earth & Planetary Sciences, Piscataway, NJ, United States, Robert E Kopp, Rutgers University New Brunswick, Institute of Earth, Ocean, and Atmospheric Sciences, New Brunswick, NJ, United States, Gregory S Mountain, Rutgers Univ, Piscataway, NJ, United States, W John Schmelz, Rutgers University New Brunswick, Department of Earth and Planetary Sciences, New Brunswick, NJ, United States and James Wright, Rutgers University New Brunswick, EPS, New Brunswick, NJ, United States