William Daniels¹, Isla S. Castañeda², Julie Brigham-Grette³, Jeffrey Salacup⁴, Helen Habicht², Benjamin Andrew Keisling², Gregory de Wet⁵, Daniel S Miller⁶, Rebecca Anne Smith⁷ and Kurt Lindberg⁸, (1)University of Massachusetts Amherst, Amherst, MA, United States, (2)UMass Amherst-Geosciences, Amherst, MA, United States, (3)Univ Massachusetts, Amherst, MA, United States, (4)University of Massachusetts Amherst, Department of Geosciences, Amherst, MA, United States, (5)University of Massachusetts, Amherst, Sunderland, MA, United States, (6)University of Massachusetts, Amherst, MA, United States, (7)Bates College, Geology, Lewiston, ME, United States, (8)University of Massachusetts Amherst, Geosciences, Amherst, MA, United States