GSA Annual Meeting in Indianapolis, Indiana, USA - 2018

WOODRUFF, Laurel G.¹, NICHOLSON, Suzanne W.², DICKEN, Connie L.² and SCHULZ, Klaus J.², (1)U.S. Geological Survey, 2280 Woodale Drive, St. Paul, MN 55112, (2)U.S. Geological Survey, 954 National Center, 12201 Sunrise Valley Dr, Reston, VA 20192

COYAN, Joshua A., ZIENTEK, Michael L. and PARKS, Heather L., Department of the Interior, US Geological Survey, Spokane, WA 99201

VRIESE, Noah A., Department of Earth and Environmental Sciences, Michigan State University, 288 Farm Ln, East Lansing, MI 48823, ROONEY, Tyrone O., Earth and Environmental Sciences, Michigan State University, 288 Farm Lane, Room 207, East Lansing, MI 48824 and GIRARD, Guillaume, Department of Geological Sciences, Michigan State University, 170 Food Safety Toxicology, 1129 Farm Lane, East Lansing, MI 48824

DRENTH, Benjamin J., U.S. Geological Survey, MS 964 Denver Federal Center, Denver, CO 80225, ANDERSON, Raymond R., Department of Earth and Environmental Science, The University of Iowa, Iowa City, IA 52242, SCHULZ, Klaus J., U.S. Geological Survey, 954 National Center, 12201 Sunrise Valley Dr, Reston, VA 20192, CLARK, Ryan J., Iowa Geological Survey, IIHR - Hydroscience & Engineering, 300 Trowbridge Hall, Iowa City, IA 52242, FEINBERG, Joshua M., John T Tate Hall Rm. 150, John T Tate Hall Rm. 150, 116 Church St SE, Minneapolis, MN 55455, CHANDLER, Val W., Minnesota Geological Survey, Univ of Minnesota, 2609 Territorial Road, St. Paul, MN 55114 and CANNON, William F., US Geological Survey, 12201 Sunrise Valley Dr, MS 954, Reston, VA 20192-0001

LIIKANE, Dustin A.¹, BLEEKER, Wouter², HAMILTON, Michael A.³, KAMO, Sandra L.³, SMITH, Jennifer², HOLLINGS, Pete⁴, CUNDARI, Robert⁵ and EASTON, R.M.⁶, (1)Earth Sciences, University of Toronto, 22 Russell Street, Toronto, ON M5S 3B1, Canada, (2)Geological Survey of Canada, 601 Booth Street, Ottawa, ON K1A0E8, Canada, (3)Jack Satterly Geochronology Laboratory, Department of Earth Sciences, University of Toronto, Toronto, ON M5S 3B1, Canada, (4)Department of Geology, Lakehead University, 955 Oliver Rd, Thunder Bay, ON P7B 5E1, Canada, (5)Resident Geologist Program, Ontario Geological Survey, Suite B002, 435 James St. South, Thunder Bay, ON P7E 6S7, Canada, (6)Ontario Geological Survey, Precambrian Geoscience Section, B7064, 933 Ramsey Lake Road, Sudbury, ON P3E 6B5, Canada

DEGRAFF, James M.¹, CARTER, Brad T.² and TYRRELL, Colin W.¹, (1)Geological & Mining Engineering & Sciences, Michigan Technological University, 1400 Townsend Drive, Houghton, MI 49931, (2)Structural Geology Consultant, Houston, TX 77027

CLAY III, J. Mitchell, Department of Earth and Environmental Sciences, University of Kentucky, Lexington, KY 40506 and MOECHER, David P., Department of Earth and Environmental Sciences, University of Kentucky, Lexington, KY 40506-0053

PIISPA, Elisa J., Department of Geological and Mining Engineering and Sciences, Michigan Technological University, 1400 Townsend Drive, Houghton, MI 49931; School of Geological Sciences and Engineering, Yachay Tech University, Hacienda San Jose S/N y Proyecto Yachay, Urcuqui, 100115, Ecuador, SMIRNOV, Aleksey V., Department of Geological and Mining Engineering and Sciences, Michigan Technological University, 630 Dow, ESE Building, 1400 Townsend Drive, Houghton, MI 49931, PESONEN, Lauri J., Department of Physics, University of Helsinki, PO Box 64, 00014 University of Helsinki, Helsinki, 00014, Finland and MITCHELL, Roger, Department of Geology, Lakehead University, 955 Oliver Road, Thunder Bay, ON P7B 5E1, Canada

SWANSON-HYSELL, Nicholas L.¹, FAIRCHILD, Luke M.¹ and RAMEZANI, Jahandar², (1)Department of Earth and Planetary Science, University of California, Berkeley, Berkeley, CA 94720, (2)EAPS, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, MA 02139

SHELDON, Nathan D., Earth and Environmental Sciences, University of Michigan, 1100 N University Ave, Ann Arbor, MI 48109 and MITCHELL, Ria L., Department of Earth Sciences, The Natural History Museum, Cromwell Road, London, SW7 5BD, United Kingdom

SLOTZNICK, Sarah P.¹, SWANSON-HYSELL, Nicholas L.¹, WELLMAN, Charles H.² and STROTHER, Paul K.³, (1)Department of Earth and Planetary Science, University of California, Berkeley, Berkeley, CA 94720, (2)Animal & Plant Sciences, The University of Sheffield, Alfred Denny Building, Sheffield, S10 2TN, United Kingdom, (3)Earth and Environmental Sciences, Boston College, Weston Observatory, 381 Concord Road, Weston, MA 02493

GALLAGHER, Timothy M., Department of Geological Sciences, the University of Texas at Austin, Austin, TX 78712, SHELDON, Nathan D., Earth and Environmental Sciences, University of Michigan, 1100 N University Ave, Ann Arbor, MI 48109, CHAPPAZ, Anthony, Department of Earth and Atmospheric Science, Central Michigan University, Mount Pleasant, MI 48858 and HREN, Michael T., Department of Chemistry, University of Connecticut, 55 N. Eagleville Rd., Storrs, CT 06269