GSA Annual Meeting in Seattle, Washington, USA - 2017

Session No. 283
Tuesday, 24 October 2017: 9:00 AM-6:30 PM
Halls 4EF (Washington State Convention Center)

T177. Ice Streams of North American Ice Sheets and Their Stratigraphic and Sedimentary Record (Posters)

GSA Quaternary Geology and Geomorphology Division
Authors will be present from 2 to 4 PM and 4:30 to 6:30 PM.
395
CALCULATING THE SLIDING VELOCITY OF THE RAINY LOBE OF THE LAURENTIDE ICE SHEET USING MASS BALANCE CALCULATIONS AND LARGEST CLAST SIZE IN LODGEMENT TILLS
KOTRAPU, Kristi M., Department of Earth and Environmental Sciences, University of Minnesota Duluth, Heller Hall 229, 1114 Kirby Drive, Duluth, MN 55812-3036, kotra002@d.umn.edu
396
THE ST. LAWRENCE ICE STREAM LANDFORM ASSEMBLAGE – NEW INSIGHT BASED ON LIDAR SURVEYS
LÉGARÉ-COUTURE, Guillaume, Institut national de la recherche scientifique, INRS-ETE, 490, rue de la Couronne, Quebec, QC G1K 9A9, Canada and PARENT, Michel, Natural Resources Canada, Geological Survey of Canada, 490, de la Couronne, Québec, QC G1K 9A9, Canada, guillaume.legare-couture@ete.inrs.ca
397
Evidence for Middle Wisconsin Glaciation in North Central Iowa
KERR, Phillip J., Iowa Geological Survey, IIHR - Hydroscience & Engineering, 340 Trowbridge Hall, Iowa City, IA 52242; Department of Earth and Environmental Sciences, University of Iowa, 115 Trowbridge Hall, Iowa City, IA 52242, BETTIS III, E. Arthur, Department of Earth and Environmental Sciences, University of Iowa, 115 Trowbridge Hall, Iowa City, IA 52242, TASSIER-SURINE, Stephanie A., Iowa Geological Survey, IIHR- Hydroscience and Engineering, 100 C. Maxwell Stanley Hydraulics Laboratory, Iowa City, IA 52242, QUADE, Deborah J., Iowa Department of Natural Resources, 1023 W. Madison St., Washington, IA 52353, WOIDA, Kathleen, U.S. Dept of Agriculture, Natural Resources Conservation Service, 210 Walnut Street, 693 Federal Bldg, Des Moines, IA 50309 and KILGORE, Susan M., Valley City State University, 101 College St. SW, Valley City, ND 58072, phillip-kerr@uiowa.edu
398
PROVENANCE ANALYSIS OF GRANITE COBBLES IN THE TISKILWA TILL USING U-PB GEOCHRONOLOGY
MEISTER, Paul, Geography, Geology, and the Environment, Illinois State University, Box 4400, Normal, IL 61790 and MALONE, David H., Geography-Geology, Illinois State University, Campus Box 4400, Normal, IL 61790-4400, pameist@ilstu.edu
399
PROVENANCE CONTROLS ON THE GEOCHEMISTRY AND RADIOGENIC ISOTOPIC COMPOSITION OF PLEISTOCENE TILLS IN MINNESOTA USA
WITTKOP, Chad1, BARTLEY, Julie K.2, KRUEGER, Russell2, KNAEBLE, Alan R.3, BOUVIER, Audrey4, GEORG, R.Bastian5, ST. CLAIR, Katherine6 and PIPER, Christian1, (1)Department of Chemistry and Geology, Minnesota State University, Ford Hall 241, Mankato, MN 56001, (2)Geology Department, Gustavus Adolphus College, 800 W. College Ave, St. Peter, MN 56082, (3)Minnesota Geological Survey, University of Minnesota, 2642 University Avenue West, St. Paul, MN 55114, (4)Department of Earth Sciences, University of Western Ontario, London, ON N6A 5B7, Canada, (5)Water Quality Center, Trent University, Peterborough, ON K9J7B8, Canada, (6)Department of Mathematics and Statistics, Carleton College, Northfield, MN 55057, chad.wittkop@mnsu.edu
400
LATE QUATERNARY GLACIAL DYNAMICS OF THE KEWEENAW PENINSULA
REGIS, Robert S., Earth, Environmental, and Geographical Sciences, Northern Michigan University, 3009 Seaborg Science Complex, 1401 Presque Isle Ave, Marquette, MI 49855, rregis@nmu.edu
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