GSA Annual Meeting in Indianapolis, Indiana, USA - 2018

BACLAWSKI, Diane K., Michigan State University - retired, 6250 Shaftsburg Road, Laingsburg, MI 48848

KELLEY, Samuel E.¹, ROSS, Martin², HODDER, Tyler J.³, GAUTHIER, Michelle³, ELLIOTT, Barrett⁴ and NORMANDEAU, Philippe⁴, (1)University of Waterloo, Earth and Environmental Sciences, 200 University Ave W, Waterloo, ON N2L 3G1, Canada, (2)Earth and Environmental Sciences, University of Waterloo, 200 University Avenue West, Waterloo, ON N2L 3G1, Canada, (3)Manitoba Geological Survey, 360-1395 Ellice Avenue, Winnipeg, MB R3G 3P2, Canada, (4)Northwest Territories Geological Survey, 5310 44 St,, Yellowknife, NT X1A 1K3, Canada

BLACKBURN, Terrence, Department of Earth and Planetary Science, University of California Santa Cruz, 1156 High Street, EMS Bldg Rm A232, Santa Cruz, CA 95064, SIMAN-TOV, Shalev, Dept. of Earth and Planetary Sciences, University of California, Santa Cruz, 1156 High St., Santa Cruz, CA 95064, BRODSKY, Emily E., Earth and Planetary Sciences, University of California, Santa Cruz, 1156 High St, Santa Cruz, CA 95064, STOCK, Greg M., National Park Service, Yosemite National Park, El Portal, CA 95318 and COBLE, Matthew, Geological Sciences Department, Stanford–USGS Ion Microprobe Laboratory, Stanford University, CA 94305

LAI, Jingtao and ANDERS, Alison, Department of Geology, University of Illinois at Urbana-Champaign, 1301 W Green St, Urbana, IL 61801

MACGREGOR, Kelly, Geology, Macalester College, 1600 Grand Avenue, St. Paul, MN 55105

MARK, Bryan G., Department of Geography and Byrd Polar and Climate Research Center, The Ohio State University, 1036 Derby Hall, 154 North Oval Mall, Columbus, OH 43210, STANSELL, Nathan D., Geology and Environmental Geosciences, Northern Illinois University, Davis Hall 312, Normal Rd, DeKalb, IL 60115 and ZEBALLOS CASTELLON, Gabriel, Department of Geography and Byrd Polar Research Center, The Ohio State University, 1036 Derby Hall, 154 North Oval Mall, Columbus, OH 43210

LINGE, Henriette¹, DAHL, Svein Olaf², FABEL, Derek³, XU, Sheng³ and OLSEN, Jesper⁴, (1)Department of Earth Science, University of Bergen and Bjerknes Centre for Climate Research, P.O.Box 7803, Bergen, N-5020, Norway, (2)Geography, University of Bergen and Bjerknes Centre for Climate Research, P.O.Box 7802, Bergen, N-5020, Norway, (3)AMS Laboratory, Scottish Universities Environmental Research Centre, East Kilbride, G75 0QF, United Kingdom, (4)Department of Physics and Astronomy, Aarhus University, Ny Munkegade 120, Aarhus C, 8000, Denmark

GOEHRING, Brent, Department of Earth and Environmental Sciences, Tulane University, 6823 St. Charles Ave., 101 Blessey Hall, New Orleans, LA 70118, MENOUNOS, Brian, University of Northern British Columbia, 3333 University Way, Prince George, BC V2N 4Z9, Canada, OSBORN, Gerald, Geoscience, University of Calgary, Calgary, BC T2N 1N4, Canada, HAWKINS, Adam C., Geography Program and Natural Resources and Environmental Studies Institute, University of Northern British Columbia, 3333 University Way, Prince George, BC V2N 4Z9, Canada and WARD, Brent C., Earth Sciences, Simon Fraser University, Burnaby, BC V5A 1S6, Canada

FLEMING, Kaitlyn C., Environmental and Conservation Sciences, North Dakota State University, 1340 Administration Ave, Fargo, ND 58105, LAABS, Benjamin J., Geosciences, North Dakota State University, Stevens Hall, 1340 Bolley Dr #201, Fargo, ND 58102 and MUNROE, Jeffrey S., Geology Department, Middlebury College, 276 Bicentennial Way, Middlebury, VT 05743

THACKRAY, Glenn D., Department of Geosciences, Idaho State University, Pocatello, ID 83209, RITTENOUR, Tammy M., Department of Geology, Utah State University, Logan, UT 84322-4505 and SHULMEISTER, James, School of Earth and Environmental Science, University of Queensland, St Lucia, Brisbane, 4072, Australia

WELLS, Greta H., Geography and the Environment, University of Texas at Austin, 305 E. 23rd St., Austin, TX 78712

ELHEBIRY, Mohamed Samy¹, SULTAN, Mohamed², KEHEW, A.E.², ABU EL-LEIL, Ibrahim³, BEKIET, Mahmoud Hussien³ and SOLIMAN, Nehal M.A.⁴, (1)Department of Geological and Environmental Sciences, Western Michigan University, 1903 W. Michigan Ave, Kalamazoo, MI 49008-5241; Geology Department, Al-Azhar University, Nasr City, Cairo, 11884, Egypt, (2)Department of Geological and Environmental Sciences, Western Michigan University, 1903 W. Michigan Ave, Kalamazoo, MI 49008-5241, (3)Geology Department, Al-Azhar University, Nasr City, Cairo, 11884, Egypt, (4)Geology Department, National Authority for Remote Sensing and Space Sciences, Cairo, Egypt