T73 Assembling Laurentia: Turning Points in Paleoproterozoic Tectonic Evolution I

Tuesday, 27 October 2020
1:30 PM - 5:30 PM
Meeting Rooms

Presentations

• 1:30 PM
  PROGRADE P-T PATHS OF ARCHEAN HIGH-GRADE GARNET-BEARING LITHOLOGIES FROM THE EASTERN BEARTOOTH MOUNTAINS, MONTANA, USA: INSIGHTS FROM QUIG RAMAN GEOBAROMETRY AND MINERAL CHEMICAL THERMOMETRY
  Larry Tuttle, Louisiana State University, Baton Rouge, LA and Darrell J. Henry, Louisiana State University, Baton Rouge, LA
  353772 (Technical Sessions)
• 1:45 PM
  ARCHEAN IRON FORMATIONS, A COMPARISON FROM THE SINGHBHUM AND WYOMING CRATONS
  Scott Miller, Gainesville, FL and Landon D. Velarde, The University of Melbourne, Parkville, VIC and Paul Mueller, University of Florida, Gainesville, FL and Joseph Meert, University of Florida, Gainesville, FL and M.K. Pandit, University of Rajasthan, Jaipur and George Kamenov, University of Florida, Gainesville, FL and Anup K. Sinha, Dr. K.S. Krishnan Geomagnetic Research Laboratory, Allahabad
  354014 (Technical Sessions)
• 2:00 PM
  END OF THE ARCHEAN: WHIMPER OR BANG?
  Paul Mueller, University of Florida, Gainesville, FL and D.W. Mogk, Montana State Univ, Bozeman, MT and Carol Frost, University of Wyoming, Laramie, WY and Jennifer Gifford, The University of Mississippi, Oxford, MS
  360007 (Technical Sessions)
• 2:15 PM
  BORN STRONG IS NOT ENOUGH: THE MAKING AND BREAKING OF CRATONS
  Carol Frost, University of Wyoming, Laramie, WY and Heather Bedle, University of Oklahoma, Norman, OK and Catherine Cooper, Washington State University School of the Environment, Pullman, WA
  354761 (Technical Sessions)
• 2:35 PM
  ASSEMBLING NUNA: WHAT, WHEN AND WHERE? A PERSPECTIVE FROM DEEP-TIME PLATE RECONSTRUCTION MODELLING
  Bruce Eglington, University of Saskatchewan, Saskatoon, SK and David Evans, Yale University, New Haven, CT and Fausto Ferraccioli, Cambridge and Sally Pehrsson, Geological Survey of Canada, Ottawa, ON and Hoang Anh Tu Nguyen, University of Saskatchewan Department of Geological Sciences, Saskatoon, SK and David Huston, Geoscience Australia, Canberra and Sheree Armistead, Laurentian University, Sudbury, ON
  358952 (Technical Sessions)
• 2:50 PM
  RAIDERS OF THE LOST ARC: PRE-RODINIA COLLISIONAL EVENTS ALONG LAURENTIA’S WESTERN MARGIN ROB EASTERN AUSTRALIA OF ITS PALEOPROTEROZOIC MAGMATIC ARC AND ACCRETIONARY PRISM
  George Gibson, Canberra, ACT and David C. Champion, Geoscience Australia, Symonston, ACT and David Huston, Geoscience Australia, Canberra
  355713 (Technical Sessions)
• 3:05 PM
  NEOARCHEAN-PALEOPROTEROZOIC BASEMENT OF SOUTHWEST LAURENTIA FORMED ADJACENT TO THE MAWSON CONTINENT
  Ryan Wilhelmi, University of Florida Geological Sciences, Gainesville, FL and David A. Foster, University of Florida, Gainesville Florida, FL and Paul Mueller, University of Florida, Gainesville, FL
  358883 (Technical Sessions)
• 3:20 PM
  WHAT WERE THE MOST IMPORTANT PALEOPROTEROZOIC EVENTS IN THE ASSEMBLY OF LAURENTIA? A VIEW FROM SOUTH OF THE BORDER
  Marion E. Bickford, Syracuse University, Syracuse, NY
  351024 (Technical Sessions)
• 3:35 PM
  PLATE TECTONICS DURING THE 1.9 – 1.7 GA ASSEMBLY OF NUNA; EXAMPLES OF MODERN CRUSTAL COLLISION AND TRANSPORT PROCESSES FROM THE SOUTHEASTERN CHURCHILL PROVINCE
  Deanne van Rooyen, Sydney, NS and David Corrigan, Ottawa, ON
  353342 (Technical Sessions)
• 4:05 PM
  LOCALIZED BACKARC RIFTING DURING THE PALEOPROTEROZOIC ASSEMBLY OF LAURENTIA: GEOCHEMICAL AND ISOTOPIC EVIDENCE FROM MAFIC MAGMATISM, LABRADOR, CANADA
  Alana Hinchey, Government of Newfoundland & Labrador Natural Resources, St. John's, NF
  357154 (Technical Sessions)
• 4:20 PM
  LATE-STAGE DEXTRAL TRANSPRESSION IN THE PALEOPROTEROZOIC BIG SKY OROGEN OF SOUTHWESTERN MONTANA: IMPLICATIONS FOR SHEAR ZONE HETEROGENEITY AND EVOLUTION OF THE NORTHERN WYOMING CRATON
  Kevin H. Mahan, University of Colorado at Boulder, Boulder, CO and Jae Bridges, Oregon State University, Corvallis, OR and Keneni Godana, University of Illinois at Chicago, Chicago, IL and Cailey Condit, University of Washington, Seattle, WA
  358418 (Technical Sessions)
• 4:35 PM
  TECTONICS OF WSW RAE CRATON OF LAURENTIA; EVIDENCE FOR CRUSTAL ASSEMBLY BY COLLISIONAL, ACCRETIONARY PROCESSES FROM THE MID-NEOARCHEAN TO EARLY PALEOPROTEROZOIC
  Kathryn Bethune, University of Regina Department of Geology, Regina, SK and Kenneth Ashton, Regina, SK and Colin Card, Regina, SK and Michael Cloutier, Regina, SK and Jordan Deane, Regina, SK
  358460 (Technical Sessions)
• 4:50 PM
  GEOLOGY ACROSS THE NOLAN-ZEMLAK DOMAIN BOUNDARY, A CRYPTIC EARLY-ARROWSMITH (CA. 2.52 GA) COLLISIONAL SUTURE IN THE WSW RAE CRATON
  Michael Cloutier, Regina, SK and Kathryn Bethune, University of Regina Department of Geology, Regina, SK and Kenneth Ashton, Regina, SK and Jordan Deane, Regina, SK
  356652 (Technical Sessions)
• 5:05 PM
  EVOLUTION OF PROTEROZOIC EARTH'S MAGNETIC FIELD IN THE CONTEXT OF PLATE TECTONICS
  James Sears, University of Montana, Missoula, MT
  356724 (Technical Sessions)