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GSA 2020 Connects Online

Session No. 4
Monday, 26 October 2020: 1:30 PM-5:30 PM

P1. Assembling Laurentia: Turning Points in the Geologic Evolution of the North American Continent

GSA Structural Geology and Tectonics Division; Mineralogical Society of America; GSA Mineralogy, Geochemistry, Petrology, and Volcanology Division; GSA Sedimentary Geology Division; GSA Geophysics and Geodynamics Division

 

Dawn Kellett, Basil Tikoff and Michael L. Williams, Conveners
Paper #
Start Time
4-1
1:30 PM
LAURENTIA 2020: WHAT HAVE WE LEARNED IN THE PAST DECADE?
WHITMEYER, Steven, Geology & Environmental Science, James Madison University, 801 Carrier Drive, MSC 6903, Harrisonburg, VA 22807
4-2
2:00 PM
THE ARCHEAN EON AND NORTH AMERICA: OUTSTANDING ISSUES AND CURRENT RESEARCH
FRIEMAN, Ben, Harquail School of Earth Sciences, Goodman School of Mines, Mineral Exploration Research Centre, Laurentian University, 935 Ramsey Lake Rd, Willet Green Miller Centre, Sudbury, ON P3E 2C6, Canada
4-3
2:15 PM
DIVERSITY IN EOARCHEAN METAMORPHISMS FROM ULTRA-HIGH-PRESSURE TO LOW-PRESSURE (<250 TO >1000°C/GPA) EXPLAINED BY PLATE MOVEMENTS IN DEEP TIME
NUTMAN, Allen, School of Earth, Atmospheric, and Life Sciences, University of Wollongong, Wollongong, NSW 2522, Australia, BENNETT, Vickie C., Research School of Earth Sciences, Australian National University, Canberra, ACT 2601, Australia, FRIEND, Clark, Glendale, Tiddington, OX9 2LQ, United Kingdom and YI, Keewook, Korea Basic Science Institute, YeonGu DanJi-ro 162,Cheongwon, Chungbuk 363-883, Ochang, 28119, Korea, Republic of (South)
4-4
2:20 PM
A BRIEF SUMMARY OF THE SEISMIC CHARACTERISTICS OF CRATONIC MANTLE LITHOSPHERE
FORD, Heather and BIRKEY, Andrew, Department of Earth Sciences, University of California, Riverside, Riverside, CA 92501
 
2:25 PM
Discussion
4-5
2:30 PM
PALEOPROTEROZOIC EARTH: SETTING A TEMPLATE FOR MODERN TECTONICS AND RELATED GEOLOGICAL PROCESSES
CORRIGAN, David, Geological Survey of Canada, Central Canada Division, 497-601 Booth St., Ottawa, ON K1A 0E8, Canada
 
2:45 PM
Other Perspectives: Alessandro Lelpi
4-6
2:50 PM
A FLATTENING OF THE (OXYGEN) CURVE: EXPLORING THE RELATIONSHIP BETWEEN TECTONICS AND PROTEROZOIC OXYGENATION TRENDS
PARTIN, Camille A., Department of Geological Sciences, University of Saskatchewan, 114 Science Place, Saskatoon, SK S7N 5E2, Canada
 
2:55 PM
Discussion
4-7
3:00 PM
GEON 14 ENIGMAS AND ADVANCES IN UNDERSTANDING THE CRUSTAL EVOLUTION AND PALEOGEOGRAPHY OF EARLY MESOPROTEROZOIC NORTH AMERICA
DANIEL, Christopher G., Geology & Environmental Geosciences, Bucknell University, Lewisburg, PA 17837, INDARES, Aphrodite, Dept of Earth Sciences, Memorial University of Newfoundland, 9 Arctic Ave., Room 4063, Alexander Murray Building, St John's, NF A1B 3X5, Canada, GOODGE, John W., Department of Earth and Environmental Sciences, University of Minnesota Duluth, 1114 Kirby Drive, Heller Hall 229, Duluth, MN 55812 and MOECHER, David P., Earth & Env. Sciences, University of Kentucky, 101 Slone Bldg, Lexington, KY 40506-0053
 
3:10 PM
Other Perspectives: Aphrodite Indares
 
3:15 PM
Other Perspectives: David Moecher
 
3:20 PM
Other Perspectives: John Goodge
 
3:25 PM
Discussion
4-8
3:30 PM
TECTONIC EVOLUTION OF LAURENTIA IN THE LATE MESOPROTEROZOIC AND ITS ROLE WITHIN THE SUPERCONTINENT RODINIA
SWANSON-HYSELL, Nicholas L., Department of Earth and Planetary Science, University of California, Berkeley, Berkeley, CA 94720
4-9
3:42 PM
DEEP CONNECTION BETWEEN THE EARLY GRENVILLIAN OROGENY AND MID-CONTINENT RIFTING DURING THE LATE MESOPROTEROZOIC
VAN DER LEE, Suzan1, EUFRASIO DE OLIVEIRA, Igor1, BOLLMANN, Trevor1, WOLIN, Emily1, HOLLINGS, Pete2 and FREDERIKSEN, Andrew3, (1)Earth and Planetary Sciences, Northwestern University, 2145 Sheridan Rd., Evanston, IL 60208, (2)Department of Geology, Lakehead University, 955 Oliver Rd, Thunder Bay, ON P7B 5E1, Canada, (3)Geological Sciences, University of Manitoba, Winnipeg, MB R3T2N2
 
3:50 PM
Other Perspectives: Toby Rivers
 
3:55 PM
Discussion
4-10
4:00 PM
700-540 MA TIME-SLICE IN NORTH AMERICA
MACDONALD, Francis A., Department of Earth Science, University of California Santa Barbara, Santa Barbara, CA 93109
 
4:10 PM
Other Perspectives: Athena Eyster
 
4:15 PM
Other Perspectives: Emmy Smith
 
4:20 PM
Other Perspectives: Brendan Murphy
 
4:25 PM
Discussion
4-11
4:30 PM
PALEOZOIC ACCRETION AND TRANSLATION OF TERRANES IN THE NORTHERN APPALACHIANS, ARCTIC AND CORDILLERA
ZAGOREVSKI, Alex, Geological Survey of Canada, Natural Resources Canada, 601 Booth St., Ottawa, ON K1A 0E8, Canada and VAN STAAL, Cees R., Emeritus Pacific Division, Geological Survey of Canada, 1500-605 Robson Street, Vancouver, BC V6B 5J3, Canada
 
4:45 PM
Other Perspectives: Luke Beranek
 
4:50 PM
Other Perspectives: Dwight Bradley
 
4:55 PM
Discussion
4-12
5:00 PM
LATE TRIASSIC TO MID-CRETACEOUS RECONSTRUCTION OF MEXICO
BUSBY, Cathy J., Earth and Planetary Sciences Department, University of California at Davis, One Shields Ave., Davis, CA 95616
 
5:15 PM
Other Perspectives: Karin Sigloch
 
5:20 PM
Other Perspectives: Sarah Roeske
 
5:25 PM
Discussion
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