CHRIST, Andrew1, RITTENOUR, Tammy M.2, BIERMAN, Paul R.3, SCHAEFER, Joerg M.4, KNUTZ, Paul C.5, THOMSEN, Tonny B.5, KEULEN, Nynke5, FOSDICK, Julie6, HEMMING, Sidney4 and KEISLING, Benjamin4, (1)Gund Institute for Environment, University of Vermont, Burlington, VT 05405; Rubenstein School of Environment and Natural Resources, University of Vermont, Burlington, VT 05405, (2)Department of Geosciences, Utah State University, 4505 Old Main Hill, Logan, UT 84322, (3)Rubenstein School of Environment and Natural Resources, University of Vermont, Burlington, VT 05405; Gund Institute for Environment, University of Vermont, Burlington, VT 05405, (4)Lamont-Doherty Earth Observatory, Columbia University, Palisades, NY 10964, (5)Geological Survey of Denmark and Greenland, Øster Voldgade 10, Copenhagen, 1350, Denmark, (6)Department of Geosciences, Storrs, CT 06269-0001