GSA 2020 Connects Online

Session No. 70
Tuesday, 27 October 2020: 1:30 PM-5:30 PM

T11. Recent Advances in Supercontinents: Paleogeography, Geodynamics, and Paleoclimate Evolution I

IGCP Project No. 648: Supercontinent Cycles and Global Geodynamics; GSA Structural Geology and Tectonics Division

 

Lei Wu, Galen P. Halverson and J. Brendan Murphy, Advocates
Paper #
Start Time
 
1:30 PM
Introductory Remarks
1:35 PM
THE IMPORTANCE OF TRENCH PULL IN BREAKING UP PANGAEA AND OPENING THE ATLANTIC (Invited Presentation)
SIGLOCH, Karin1, MOHAMMADZAHERI, Afsaneh1, HOSSEINI, Kasra1, CLENNETT, Edward J.1 and MIHALYNUK, Mitchell G.2, (1)Earth Sciences Department, University of Oxford, South Parks Road, Oxford, OX13AN, United Kingdom, (2)British Columbia Geological Survey, Victoria, BC V8W 9N3, Canada
1:50 PM
RESOLVING THE FALKLANDS/MALVINAS CONTROVERSY: IMPLICATIONS FOR SUPERCONTINENT RECONSTRUCTION
MACDONALD, David, School of Geosciences, University of Aberdeen, Meston Building, King's College, Aberdeen, AB24 3UE, Scotland
2:05 PM
NEW PALEOMAGNETIC RESULTS FROM 1.3 GA MAFIC DYKES OF BORNHOLM (DENMARK) WITH IMPLICATIONS TO BALTICA IN NUNA
LUOTO, Toni and SALMINEN, Johanna, Department of Geosciences and Geography, Gustaf Hällströminkatu 2, P.O. Box 64, University of Helsinki, 00014, Finland
2:20 PM
PALEOGEOGRAPHIC CONSTRAINTS FROM THE KAAPVAAL CRATON (SOUTH AFRICA) IN THE IMMEDIATE AFTERMATH OF THE GREAT OXIDATION EVENT
SLOTZNICK, Sarah, Department of Earth Sciences, Dartmouth College, Hanover, NH 03755, EVANS, David A.D., Geology and Geophysics, Yale University, 210 Whitney Ave, New Haven, CT 06511, SOUSA, Francis, Oregon State University and SWANSON-HYSELL, Nicholas L., Department of Earth and Planetary Science, University of California, Berkeley, Berkeley, CA 94720
 
2:35 PM
Discussion
 
2:50 PM
Break
3:05 PM
NEW CONSTRAINTS ON THE FORMATION AND BREAKUP OF PANGEA FROM SOUTHERN NEW ENGLAND: IMAGING OF THE CRUST AND LITHOSPHERE USING THE SEISCONN ARRAY (Invited Presentation)
LONG, Maureen D.1, GAO, Haiying2, YANG, Xiaotao3 and ARAGON, John C.1, (1)Department of Earth and Planetary Sciences, Yale University, New Haven, CT 06520, (2)Department of Geosciences, University of Massachusetts Amherst, 627 N Pleasant St, Amherst, MA 01003, (3)Department of Geosciences, University of Massachusetts Amherst, 627 N. Pleasant St., Amherst, MA 01003
3:20 PM
IS PLATE TECTONICS SPEEDING UP?
CONDIE, Kent C., Department of Earth and Environmental Science, New Mexico Institute of Mining and Technology, Socorro, NM 87801, PISAREVSKY, Sergei, Earth Dynamics Research Group, School of Earth and Planetary Sciences, Curtin University, Bentley, Perth, WA GPO Box U1987, Australia and PUETZ, Stephen J., Progressive Science Institute, Honolulu, HI 96815
3:35 PM
UPDATED TIME-LAPSE ZIRCONOGRAPHY DISPROVES EPISODIC CONTINENTAL GROWTH
SPENCER, Christopher J., Department. of Geological Sciences & Geological Engineering, Queen's University, 36 Union St, Miller Hall, Kingston, ON K7L 3N6, Canada
3:50 PM
INSIGHT INTO THE MAGMATIC SYSTEM OF A RECONSTRUCTED LARGE IGNEOUS PROVINCE AT 2.11 GA ACROSS SUPERCRATON SUPERIA
DAVEY, Sarah1, BLEEKER, Wouter2, KAMO, Sandra L.3, ERNST, Richard E.4, COUSENS, Brian1, CHAMBERLAIN, Kevin R.5, VUOLLO, Jouni6 and HUHMA, Hannu7, (1)Ottawa-Carleton Geoscience Centre, Department of Earth Sciences, Carleton University, 1125 Colonel By Drive, Ottawa, ON K1S 5B6, Canada, (2)Geological Survey of Canada, Ottawa, ON K1A 0E8, Canada, (3)Jack Satterly Geochronology Laboratory, Department of Earth Sciences, University of Toronto, 22 Russell Street, Toronto, ON M5S 3B1, Canada, (4)Ottawa-Carleton Geoscience Centre, Department of Earth Sciences, Carleton University, 1125 Colonel By Drive, Ottawa, ON K1S 5B6, Canada; Faculty of Geology and Geography, Tomsk State University, 36 Lenin Ave, Tomsk, 634050, Russian Federation, (5)Department of Geology and Geophysics, University of Wyoming, 1000 University Avenue, Laramie, WY 82071, (6)Geologial Survey of Finland, Rovaniemi, P.O. Box 77, Finland, (7)Geologial Survey of Finland, Espoo, P.O. Box 77, Finland
 
4:05 PM
Discussion
 
4:20 PM
Break
4:35 PM
A TRANS-IAPETUS TRANSFORM CONTROL FOR THE EVOLUTION OF THE RHEIC OCEAN
WU, Lei, Department of Earth and Planetary Sciences, McGill University, 3450 Rue University, Montréal, QC H3A 0E8, Canada, MURPHY, J. Brendan, Department of Earth Sciences, St. Francis Xavier University, Box 1623, Nova Scotia, Antigonish, NS B2G 2W5, Canada, COLLINS, William J., 3Department of Geological Sciences, Stanford University, 450 Serra Mall, Stanford, WA 94305, Australia, QUESADA, Cecilio, Instituto Geológico y Minero de España, and Facultad de Geológicas; Universidad Complutense de Madrid, 23 Rios Rosas, Madrid, 28003, Spain, LI, Zheng-Xiang, Department of Applied Geology, Curtin University of Techology, Department of Applied Geology, Curtin University of Techology, Perth, WA 6845, Australia, PISAREVSKY, Sergei, Earth Dynamics Research Group, School of Earth and Planetary Sciences, Curtin University, Bentley, Perth, WA GPO Box U1987, Australia, HALVERSON, Galen P., Department of Earth and Planetary Sciences, McGill University, Montreal, QC H3A 0E8, Canada, WALDRON, John W.F., Department of Earth and Atmospheric Sciences, University of Alberta, Edmonton, AB T6G2E3, Canada and WILLIAMS, Simon E., School of Geosciences, The University of Sydney, Sydney, 2006, Australia
4:50 PM
TECTONIC EVOLUTION OF THE CHORTIS COMPOSITE BLOCK, NORTH-WESTERN NICARAGUA
FREEBORNE, Sean M., Department of Earth Science, St. Francis Xavier University, 5009 Chapel Square, Physical Sciences Centre, Antigonish, NS B2G 2W5, Canada and BRAID, James A., Earth Sciences, St. Francis Xavier University, PO box 5000, Antigonish, NS B2G 2W5, Canada
 
5:05 PM
Discussion
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