GSA 2020 Connects Online

Session No. 200
Thursday, 29 October 2020: 1:30 PM-5:30 PM

T17. Evolution, Structure and Landscapes of the North Atlantic-Arctic Realm

GSA Geophysics and Geodynamics Division; GSA Structural Geology and Tectonics Division; GSA Quaternary Geology and Geomorphology Division; GSA Sedimentary Geology Division

 

Christian Schiffer, Scott Jess, Iwona Klonowska, Alexander Peace and Vivi Pedersen, Advocates
Paper #
Start Time
 
1:30 PM
Introductory Remarks
1:35 PM
TECTONIC RESPONSE OF THE ARCTIC REALM TO THE OPENING OF THE NORTH ATLANTIC OCEAN
SPIEGEL, Cornelia1, VAMVAKA, Agni1, MEIER, Katrin1, O'SULLIVAN, Paul2, JOCHMANN, Malte3, LISKER, Frank1, PIEPJOHN, Karsten4 and ESTRADA, Solveig4, (1)Department of Geosciences, University of Bremen, Bremen, Germany, (2)GeoSep Services, GeoSep Services Inc., 1521 Pine Cone Road, Moscow, ID 83843, (3)University Centre in Svalbard, PO Box 613, Longyearbyen, 9171, Norway, (4)Federal Inst. for Geosciences and Natural Ressources, Stilleweg 2, Hannover, D-30655, Germany
1:50 PM
COLD PASSIVE CONTINENTAL MARGINS: THE ENIGMATIC TOPOGRAPHY IN WESTERN SCANDINAVIA
PEDERSEN, Vivi Kathrine1, NIELSEN, Søren Bom1, HUISMANS, Ritske S.2, EGHOLM, David L.1 and ANDERSEN, Jane Lund1, (1)Department of Geoscience, Aarhus University, Høegh Guldbergs Gade 2, Aarhus, 8000, Denmark, (2)Earth Science, Bergen University, Allegaten 41, Bergen, 5007
2:05 PM
EVOLUTION OF SCANDINAVIAN PLATEAU LANDSCAPES DURING THE LATE QUATERNARY (Invited Presentation)
ANDERSEN, Jane Lund1, PEDERSEN, Vivi2, EGHOLM, David L.1 and KNUDSEN, Mads F.2, (1)Department of Geoscience, Aarhus University, Høegh-Guldbergsgade 2, Aarhus C, 8000, Denmark, (2)Department of Geoscience, Aarhus University, Høegh Guldbergs Gade 2, Aarhus, 8000, Denmark
2:20 PM
SEDIMENT SUPPLY ON THE WEST GREENLAND PASSIVE MARGIN: REDIRECTION OF A LARGE PRE-GLACIAL DRAINAGE SYSTEM
JESS, Scott, Department of Geoscience, University of Calgary, Earth Sciences 118, 2500 University Drive NW, Calgary, AB T2N 1N4, Canada, PEACE, Alexander, School of Geography and Earth Sciences, McMaster University, 1280 Main Street West, Hamilton, ON L8S 4K1, Canada and SCHIFFER, Christian, Department of Earth Sciences, Uppsala University, Villavägen 16, Uppsala, 752 36, Sweden
2:35 PM
REGIONAL STRATIGRAPHIC UNDERSTANDING OF THE LABRADOR­–BAFFIN SEAWAY
DAFOE, Lynn T.1, WILLIAMS, Graham L.1, DICKIE, Kate1, GREGERSEN, Ulrik2, KNUTZ, Paul C.2, DAM, Gregers2, PEDERSEN, Gunver2, NØHR-HANSEN, Henrik2, HAGGART, James W.3 and DESROCHES, Kevin1, (1)Geological Survey of Canada, Natural Resources Canada, 1 Challenger Dr, Dartmouth, NS B3M 1H5, Canada, (2)Geological Survey of Denmark and Greenland, Øster Voldgade 10, Copenhagen, 1350, Denmark, (3)Geological Survey of Canada, Natural Resources Canada, 101-605 Robson St, Vancouver, BC V6B 5J3, Canada
2:50 PM
CORDILLERAN SEDIMENTS IN THE LABRADOR SEA: DETRITAL EVIDENCE FROM THE SAGLEK BASIN FOR THE OLIGOCENE-PLIOCENE TRANSCONTINENTAL BELL RIVER
CORRADINO, Julia I.1, PULLEN, Alex1, LEIER, Andrew2, SCHER, Howie D.2, BARBEAU Jr., David L.2, CURRIE, Lisel3 and LECKIE, Dale A.4, (1)Department of Environmental Engineering and Earth Sciences, Clemson University, Anderson, SC 29625, (2)School of the Earth, Ocean and Environment, University of South Carolina, Columbia, SC 29208, (3)Natural Resources Canada, Geological Survey of Canada, Calgary, AB T2L 2A7, Canada, (4)Department of Geoscience, University of Calgary, Calgary, AB T2N 1N4, Canada
3:05 PM
DETRITAL ZIRCON U-PB AND FISSION-TRACK DOUBLE-DATING OF LOWER CRETACEOUS HIBERNIA FORMATION STRATA IN THE JEANNE D'ARC BASIN, OFFSHORE NEWFOUNDLAND
JOHNS-BUSS, Emily1, BERANEK, Luke P.1, ENKELMANN, Eva2, JESS, Scott2 and MATTHEWS, William A.2, (1)Department of Earth Sciences, Memorial University of Newfoundland, 9 Arctic Ave, St. John's, NF A1B 3X5, Canada, (2)Department of Geoscience, University of Calgary, Earth Sciences 118, 2500 University Drive NW, Calgary, AB T2N 1N4, Canada
 
3:20 PM
Discussion 1
3:35 PM
CRUSTAL STRUCTURE OF THE WEST GREENLAND IGNEOUS PROVINCE – IMPLICATIONS FOR TECTONO-MAGMATIC EVOLUTION
SCHIFFER, Christian, Department of Earth Sciences, Uppsala University, Villavägen 16, Uppsala, 752 36, Sweden, RONDENAY, Stephane, Department of Earth Science, University of Bergen, Bergen, MA 5007, Norway, NIELSEN, Søren Bom, Department of Geoscience, Aarhus University, Høegh Guldbergs Gade 2, Aarhus, 8000, Denmark, PEACE, Alexander, School Of Earth, Environment & Society, McMaster University, 1280 Main St W, Hamilton, ON L8S4L8, Canada and JESS, Scott, Department of Geoscience, University of Calgary, Earth Sciences 118, 2500 University Drive NW, Calgary, AB T2N 1N4, Canada
3:50 PM
SEISMIC ANISOTROPY VARIATIONS ACROSS GREENLAND: EVIDENCE FROM SHEAR WAVE SPLITTING
MATHIEU, Mélanie, Science de la Terre et de l'atmosphère, UQAM (université du Québec à Montréal), 201, avenue du Président-Kennedy, Montréal, QC H3C 3P8, Canada and DARBYSHIRE, Fiona, Geotop, University of Quebec at Montreal, CP8888 succursale Centre-Ville, Montreal, QC H3C3P8, Canada
4:05 PM
ARCHITECTURE AND ANISOTROPY OF THE CRUST AND UPPERMOST MANTLE ACROSS GREENLAND AND THE NORTHWEST ATLANTIC: EVIDENCE FROM SURFACE WAVES (Invited Presentation)
DARBYSHIRE, Fiona, Geotop, University of Quebec at Montreal, CP8888 succursale Centre-Ville, Montreal, QC H3C3P8, Canada
4:20 PM
ICELANDIA
FOULGER, Gillian R., Dept. of Geological Sciences, Durham University, Durham, DH1 3LE, United Kingdom, GERNIGON, Laurent, Continental Shelf Geophysics, Geological Survey of Norway (NGU), Leiv Eirikssons vei 39, Trondheim, 7040, Norway and GEOFFROY, Laurent, Institut Universitaire Européen de la Mer (IUEM), Technopôle Brest-Iroise - rue Dumont d'Urville, Brest, 29280, France
4:35 PM
INVESTIGATING THE PLATE KINEMATICS OF THE BAY OF BISCAY USING DEFORMABLE PLATE TECTONIC MODELS
KING, Michael Thomas, Earth Sciences, Memorial University of Newfoundland, St. John's, NF A1B 3X7, Canada, WELFORD, J. Kim, Earth Science, Memorial University of Newfoundland, St. John's, NF A1B3B5, Canada, CADENAS, Patricia, Barcelona Center for Subsurface Imaging (BCSI), Marine Sciences Institute (ICM), Barcelona, 08003, Spain and TUGEND, Julie, Sorbonne Université, Institut des Sciences de la Terre Paris, Paris, F-75005, France
 
4:50 PM
Discussion 2
5:05 PM
INFLUENCE OF STRUCTURAL INHERITANCE ON RIFT DEVELOPMENT IN THE SOUTHERN NORTH SEA
NG, Evangeline and PEACE, Alexander, School Of Earth, Environment & Society, McMaster University, 1280 Main St W, Hamilton, ON L8S4L8, Canada
5:15 PM
GEOCHRONOLOGY, PETROLOGY AND LITHOGEOCHEMISTRY OF MESOZOIC ALKALINE LAMPROPHYRIC INTRUSIONS, NEWFOUNDLAND, CANADA: IMPLICATIONS OF MAGMATIC EVOLUTION FOR NORTH ATLANTIC OPENING
PEACE, Alexander, School Of Earth, Environment & Society, McMaster University, 1280 Main St W, Hamilton, ON L8S4L8, Canada, SANDEMAN, Hamish A.I., Geological Survey of Newfoundland and Labrador, Government of Newfoundland and Labrador, 50 Elizabeth Ave, St. John's, NF A1B 4J6, Canada, WELFORD, J. Kim, Earth Science, Memorial University of Newfoundland, St. John's, NF A1B3B5, Canada, DUNNING, Greg R., Department of Earth Sciences, Memorial University of Newfoundland, St. John's, NF A1B 3X5, Canada and CAMACHO, Alfredo, B.C. Geological Survey Branch, Box 9333, Stn Prov Govt, Victoria, BC V8W 9N3, Canada
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