CASALE, Gabriele, Geology, Appalachian State University, ASU Box 32067, Boone, NC 28607, COWAN, Darrel S., Earth and Space Sciences, University of Washington, Box 351310, Seattle, WA 98195 and BENNETT, Richard A., Department of Geosciences, University of Arizona, Gould-Simpson Building #77, 1040 East 4th St, Tucson, AZ 85721, casalegm@appstate.edu, casalegm@appstate.edu

SOUKIS, Konstantinos, Dept. of Geology and Geoenvironment, University of Athens, Athens, Greece and STOCKLI, Daniel F., Department of Geology, University of Kansas, Lawrence, 66045, soukis@geol.uoa.gr, soukis@geol.uoa.gr

MORELL, Kristin, School of Earth and Ocean Sciences, University of Victoria, 3800 Finnerty Road, Victoria, BC 16802, Canada, FISHER, Donald, Department of Geosciences, The Pennsylvania State University, University Park, PA 16802 and GARDNER, Thomas, Department of Geosciences, Trinity University, One Trinity Place, San Antonio, TX 78212, kmorell@uvic.ca, kmorell@uvic.ca

AULT, Alexis K., Department of Geological Sciences, University of Colorado at Boulder, UCB 399, 2200 Colorado Ave, Boulder, CO 80309 and METCALF, James R., Department of Geological Sciences, University of Colorado Boulder, Boulder, CO 80309, alexis.ault@colorado.edu, alexis.ault@colorado.edu

GANI, Nahid D.S. and SOSSAMON, Leah Caroline, Earth & Environmental Sciences, University of New Orleans, 2000 Lakeshore Drive, New Orleans, LA 70148, ngani@uno.edu, ngani@uno.edu

BAIRD, Graham B., Earth and Atmospheric Sciences, University of Northern Colorado, Campus Box 100, Greeley, CO 80639 and SHRADY, Catherine H., Geology, St. Lawrence University, Canton, NY 3617, Graham.Baird@unco.edu, Graham.Baird@unco.edu

PIGNOTTA, Geoffrey, Department of Geology, University of Wisconsin - Eau Claire, 105 Garfield Ave, Eau Claire, WI 54702, BARTH, Andrew P., Earth Sciences, Indiana University-Purdue University, 723 West Michigan Street, Indianapolis, IN 46202 and WOODEN, Joseph L., USGS-Stanford Ion Microprobe Laboratory, Stanford University, Stanford, CA 94305, pignotgs@uwec.edu, pignotgs@uwec.edu

HETLAND, Eric A., Department of Earth and Environmental Sciences, University of Michigan, 2534 C. C. Little Building, 1100 North University Avenue, Ann Arbor, MI 48109-1005 and LUI, Ka Yan Semechah, Department of Geological Sciences, University of Michigan, 2534 C. C. Little Building, 1100 North University Avenue, Ann Arbor, MI 48109-1005, ehetland@umich.edu, ehetland@umich.edu

GIORGIS, Scott, Geological Sciences, SUNY Geneseo, 1 College Circle, Geneseo, NY 14454, TRAVIS, Matthew E., Geological Sciences, SUNY Geneseo, 1 College Circle, Geneseo, NY 14454-1401 and WEBER, John, Geology, Grand Valley State University, 1 Campus Drive, 125 Padnos, Allendale, MI 49401-9403, giorgis@geneseo.edu, giorgis@geneseo.edu

SRISUTTHIYAKORN, Nattavadee¹, NIEMI, Nathan A.¹ and HETLAND, Eric A.², (1)Department of Geological Sciences, University of Michigan, 2534 C. C. Little Building, 1100 North University Avenue, Ann Arbor, MI 48109-1005, (2)Department of Earth and Environmental Sciences, University of Michigan, 2534 C. C. Little Building, 1100 North University Avenue, Ann Arbor, MI 48109-1005, naniemi@umich.edu, naniemi@umich.edu

ALSLEBEN, Helge¹, KRETZER, Codie¹, CAGE, William¹, MADSEN, Sarah R.¹ and WETMORE, Paul H.², (1)School of Geology, Energy, and the Environment, Texas Christian University, TCU Box 298830, Fort Worth, TX 76129, (2)Department of Geology, University of South Florida, 4202 E. Fowler Ave, SCA 528, Tampa, FL 33620, h.alsleben@tcu.edu, h.alsleben@tcu.edu

OSKIN, Michael E., Department of Geology, University of California, Davis, One Shields Avenue, Davis, CA 95616, meoskin@ucdavis.edu, meoskin@ucdavis.edu

HERBERT, Justin, Geosciences, University of Massachusetts, Morrill Science Center, 611 N Pleasant St, Amherst, MA 01002 and COOKE, Michele L., Geosciences, University of Massachusetts, 611 North Pleasant Street, Amherst, MA 01003-9297, jherbert@geo.umass.edu, jherbert@geo.umass.edu