Session: On the Edge—New Insights into Ice-Marginal Conditions I (GSA 2020 Connects Online)

Session No. 231

Thursday, 29 October 2020: 5:30 PM-8:00 PM

T148. On the Edge—New Insights into Ice-Marginal Conditions I

GSA Quaternary Geology and Geomorphology Division; American Quaternary Association (AMQUA); Canadian Quaternary Association (CANQUA)

Stephen A. Wolfe, Carolyn Olson and Roger C. Paulen, Advocates

Paper #

Start Time

5:30 PM

Introductory Remarks

231-1

5:35 PM

EROSIONALLY-STREAMLINED SUBGLACIAL BEDFORMS, AND ICE MARGINAL PRESSED MORAINES ON THE BED OF A PALEO ICE STREAM: GREEN BAY LOBE, WISCONSIN USA: LIDAR MAPPING OF A SOFT-BED ICE STREAM LANDSYSTEM

RUSCICA, Phillip, EYLES, Nick, SOOKHAN, Shane and BUKHARI, Syed Sajid Ali, Physical and Environmental Sciences, University of Toronto Scarborough, 1265 Military Trail, Scarborough, ON M1C 1A4, Canada

231-2

5:45 PM

TILL ARCHITECTURE AND PROGLACIAL LAKE STRATIGRAPHY DEPOSITED DURING THE RETREAT OF THE LAURENTIDE ICE SHEET, ONEIDA LAKE, NY FROM MULTICHANNEL SEISMIC REFLECTION DATA

ZAREMBA, Nicholas and SCHOLZ, Christopher A., Syracuse University, Department of Earth and Environmental Sciences, Syracuse, NY 13244

231-3

5:55 PM

SURFICIAL MAPPING IN THE HOPEDALE REGION OF LABRADOR –A DYNAMIC, ICE-MARGINAL PALEOENVIRONMENT

CAMPBELL, Heather E., Geological Survey of Newfoundland and Labrador, Department of Natural Resources, 50 Elizabeth Ave, St. John's, NF A1A1W6, Canada

231-4

6:05 PM

GLACIAL LAKE LOW: A PREVIOUSLY UNIDENTIFIED PROGLACIAL LAKE IN WESTERN LABRADOR

PAULEN, Roger C., Natural Resources Canada, Geological Survey of Canada, 601 Booth St., Ottawa, ON K1A 0E8, Canada, RICE, Jessey M., Earth & Environmental Sciences, University of Waterloo, 200 University Avenue West, Waterloo, ON N2L 3G1, Canada, ROSS, Martin, Earth and Environmental Sciences, University of Waterloo, 200 University Avenue West, Waterloo, ON N2L 3G1, Canada and LIAN, Olav B., Department of Geography and the Environment, University of the Fraser Valley, 33844 King Road, Abbotsford, BC V2S 7M8, Canada

6:15 PM

Discussion

231-5

6:25 PM

FACIES MODEL FOR A PROGRADING SANDY DELTA IN AN ICE-CONTACT LAKE WITH A RETREATING ICE MARGIN: A RE-INTERPRETATION OF GLACIOGENIC SEDIMENTS AT HAWK CLIFF, LAKE ERIE BLUFFS (ONTARIO, CANADA)

SLOMKA, Jessica M., Previous affiliation: School of Geography and Earth Sciences, McMaster University, Hamilton, ON L8S 4L8, Canada; Current affiliation: Chemical and Physical Sciences, University of Toronto Mississauga, Mississauga, ON L5L1C6, Canada and EYLES, Carolyn H., School of Earth, Environment & Society, McMaster University, 1280 Main St W, Hamilton, ON L8S 4K1, Canada

231-6

6:35 PM

INVESTIGATING THE LATE-GLACIAL TANWAX FLOOD—A LITHOLOGIC STUDY OF SEDIMENTS IN SELECTED MOUNDED TERRACES IN THE PUGET LOWLAND

POPE, Isaac E., PRINGLE, Patrick T. and HARRIS, Michelle, Science Department, Centralia College, 600 Centralia College Blvd, Centralia, WA 98531

231-7

6:45 PM

POSSIBLE EVIDENCE OF RELICT POLYGONAL GROUND FEATURES IN THE FINGER LAKES REGION OF NEW YORK: A PILOT STUDY USING GOOGLE EARTH PRO

PURTILL, Matthew and TYTKA, Gillian, Geology, SUNY Fredonia, 205 Jewett Hall, Fredonia, NY 14063

6:55 PM

Discussion

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