CHEN, Yanying, Geological Sciences, University of Missouri, Columbia, MO 65211, ychc5@mail.mizzou.edu and NABELEK, Peter I., Geological Sciences, University of Missouri, 101 Geological Sciences Bldg, Columbia, MO 65211

OLINGER, Danielle, Geosciences, Texas Tech University, Lubbock, TX 79410, danielle.olinger@ttu.edu and HETHERINGTON, Callum J., Department of Geosciences, Texas Tech University, Box 41053, Lubbock, TX 79409-1053

MATTHEWS, Jessica A., Department of Geology & Geological Engineering, Colorado School of Mines, Golden, CO 80401, jematthe@mymail.mines.edu and KELLY, Nigel M., Department of Geology & Geological Engineering, Colorado School of Mines, 1516 Illinois St, Golden, CO 80401

LAGOR, Samuel, St. Lawrence University, 717 E High St, Pottstown, PA 19464, swlago09@stlawu.edu, CHIARENZELLI, Jeffrey R., Department of Geology, St. Lawrence University, Canton, NY 13617, and REGAN, Sean P., Department of Geosciences, University of Massachusetts, Amherst, 611 North Pleasant St, Amherst, MA 01002

WEBBER, Jeffrey R., Department of Geosciences, University of Massachusetts, Amherst, 611 North Pleasant Street, Amherst, MA 01003-9297, jwebber@geo.umass.edu, BROWN, Laurie L., Department of Geosciences, University of Massachusetts, 611 North Pleasant Street, Amherst, MA 01003-9297, WILLIAMS, Michael L., Department of Geosciences, University of Massachusetts, Amherst, 611 North Pleasant Street, 233 Morrill Science Center, Amherst, MA 01003, and REGAN, Sean P., Department of Geosciences, University of Massachusetts, Amherst, 611 N Pleasant St, Amherst, MA 01003