Joint 60th Annual Northeastern/59th Annual North-Central Section Meeting - 2025

Session No. 16
Friday, 28 March 2025: 1:30 PM-5:30 PM
120 (Bayfront Convention Center)

T9. Tectonic Processes in the Circum-Atlantic Orogens I: A Celebration of the Career of Rob Strachan

GSA Structural Geology and Tectonics Division

 

J. Brendan Murphy, R. Damian Nance and Stephen Johnston, Advocates
Paper #
Start Time
1:30 PM
TECTONIC PROCESSES IN THE CIRCUM-ATLANTIC OROGENS: A CELEBRATION OF THE CAREER OF ROB STRACHAN
MURPHY, J. Brendan, Department of Earth Sciences, St. Francis Xavier University, Antigonish, NS B2G 2W5, Canada, NANCE, R. Damian, Department of Earth and Environmental Geosciences, Ohio University, Athens, OH 45701 and JOHNSTON, Stephen, Earth and Atmospheric Sciences, University of Alberta, 1-26 Earth Sciences, Edmonton, AB T6G 2E3, Canada
1:50 PM
THE CADOMIAN OROGENY IN THE SUPERCONTINENT CYCLE AND ITS IMPORTANCE FOR ALLEGHANIAN-VARISCAN OROGENIC PROCESSES
LINNEMANN, Ulf1, ZIEGER-HOFMANN, Mandy1, GÄRTNER, Andreas1, ZIEGER, Johannes1 and MENDE, Katja2, (1)Senckenberg Naturhistorische Sammlungen Dresden, Museum für Mineralogie und Geologie, Königsbrücker Landstraße 159, Dresden, Saxony 01109, Germany, (2)Museum für Mineralogie und Geologie, Senckenberg Naturhistorische Sammlungen Dresden, Dresden, Sachsen 01109, Germany
2:10 PM
COMPLEX MORPHOLOGY OF COLLIDING MARGINS IN LAURUSSIA-GONDWANA SUPERCOLLISION
MURPHY, J. Brendan, Department of Earth Sciences, St. Francis Xavier University, Antigonish, NS B2G 2W5, Canada, NANCE, R. Damian, Department of Earth and Environmental Geosciences, Ohio University, Athens, OH 45701, SCHULMANN, Karel, Institut Terre et Environnement de Strasbourg, Université de Strasbourg, UMR 7063, 1 Rue Blessig,, Strasbourg, 67084, France; Center for Lithospheric Research, Czech Geological Survey, Klárov 3, Prague 1, 11821, Czech Republic, KUIPER, Yvette, Department of Geology and Geological Engineering, Colorado School of Mines, Berthoud Hall, 1516 Illinois St, Golden, CO 80401 and MARTÍNEZ CATALÁN, José Ramón, Departamento de Geología, Facultad de Ciencias Universidad de Salamanca, Salamanca, 37008, Spain
2:30 PM
CONSTRAINING THE POLYMETAMORPHIC HISTORY OF THE NORTHERN HIGHLANDS AND GRAMPIAN TERRANES, SCOTLAND: PRELIMINARY RESULTS FROM MONAZITE AND XENOTIME U-PB GEOCHRONOLOGY
MORSE, Sarah1, THIGPEN, Ryan2, LAW, Richard D.3, CADDICK, Mark4, MOORE, Lowell R.4 and DAVIS, Ella5, (1)Department of Earth and Environmental Sciences, University of Kentucky, Lexington, KY 40506, (2)Earth & Env. Sci, Univ. Kentucky, Lexington, KY 40506, (3)Department of Geosciences, Virginia Tech, 4044 Derring Hall, Blacksburg, VA 24061, (4)Department of Geosciences, Virginia Polytechnic Institute and State University, Blacksburg, VA 24061, (5)Department of Geosciences, Virginia Tech, 4044 Derring Hall, Virginia Tech, 926 West Campus Drive, Blacksburg, VA 24061
2:50 PM
SHEAR SENSES, TECTONIC TRANSPORT DIRECTIONS AND DEFORMATION TEMPERATURES IN THE SOUTHERN PART OF THE NORTHERN HIGHLAND TERRANE, SCOTLAND: MICROSTRUCTURAL AND QUARTZ C-AXIS FABRIC DATA FROM THE FLAT BELT AND TRANSECTS ACROSS THE SGURR BEAG THRUST IN THE STEEP BELT
LAW, Richard D., Department of Geosciences, Virginia Polytechnic Institute and State University, Blacksburg, VA 24061 and DAVIS, Ella, Department of Geosciences, Virginia Tech, 4044 Derring Hall, Virginia Tech, 926 West Campus Drive, Blacksburg, VA 24061
3:10 PM
TITANITE AND MONAZITE CONSTRAINTS ON THE TIMING OF METAMORPHISM AND PENETRATIVE DEFORMATION IN THE SOUTHERN PART OF THE NORTHERN HIGHLANDS TERRANE, SCOTLAND
DAVIS, Ella1, MAKO, Calvin2, MORSE, Sarah3, THIGPEN, Ryan4, CADDICK, Mark5, LAW, Richard D.6 and MOORE, Lowell R.6, (1)Department of Geosciences, Virginia Tech, 4044 Derring Hall, Virginia Tech, 926 West Campus Drive, Blacksburg, VA 24061, (2)Arizona Geological Survey, University of Arizona, Tucson, AZ 85721, (3)Department of Earth and Environmental Sciences, University of Kentucky, Lexington, KY 40506, (4)Department of Earth and Environmental Sciences, University of Kentucky, 101 Slone Building, Lexington, KY 40506, (5)Department of Geosciences, Virginia Polytechnic Institute and State University, Blacksburg, VA 24061, (6)Department of Geosciences, Virginia Tech, 4044 Derring Hall, Blacksburg, VA 24061
 
3:30 PM
Break
3:50 PM
INTEGRATING MULTISYSTEM GEO- AND THERMOCHRONOLOGY AND THERMOBAROMETRIC DATA TO DEVELOP EVOLUTIONARY TECTONIC MODELS FOR THE PALEOZOIC LAURENTIAN MARGIN: HONORING THE OUTSTANDING CAREER OF ROB STRACHAN
THIGPEN, Ryan1, LAW, Richard D.2, MAKO, Calvin3, POWELL, Nicholas4, SPENCER, Brandon M.5, MOECHER, David1, MORSE, Sarah6, DAVIS, Ella7 and CADDICK, Mark2, (1)Earth & Env. Sci, Univ. Kentucky, Lexington, KY 40506, (2)Department of Geosciences, Virginia Polytechnic Institute and State University, Blacksburg, VA 24061, (3)Arizona Geological Survey, University of Arizona, Tucson, AZ 85721, (4)U.S. Geological Survey, Florence Bascom Geoscience Center, 12201 Sunrise Valley Drive, MS 926A National Center, Reston, VA 20192, (5)Boone Pickens School of Geology, Oklahoma State University, 105 Noble Research Center, Oklahoma State University, Stillwater, OK 74078, (6)Department of Earth and Environmental Sciences, University of Kentucky, Lexington, KY 40506, (7)Department of Geosciences, Virginia Tech, 4044 Derring Hall, Virginia Tech, 926 West Campus Drive, Blacksburg, VA 24061
4:10 PM
A COMPARISON OF THE TECTONIC EVOLUTION OF THE EASTERN MARGIN OF NORTH AMERICA AND EASTERN SOUTH CHINA
WANG, Lijun, Department of Earth and Environmental Sciences, University of Waterloo, 200 University Ave. W., Waterloo, ON N2L 3G1, CANADA; Xinjiang Institute of Ecology and Geography, Chinese Academy of Sciences, Urumqi, Xinjiang 830011, China, LIN, Shoufa, Department of Earth and Environmental Sciences, University of Waterloo, 200 University Ave. W., Waterloo, ON N2L 3G1, Canada and XIAO, Wenjiao, Xinjiang Institute of Ecology and Geography, Chinese Academy of Sciences, Urumqi, Xinjiang 830011, China
4:30 PM
DECONSTRUCTING THE "IAPETUS SUTURE": DIACHRONOUS ACCRETION OF TERRANE ASSEMBLAGES IN THE APPALACHIAN COLLAGE
WALDRON, John W.F.1, BARR, Sandra M.2, WHITE, Chris E.2, VAN ROOYEN, Deanne2, MCCAUSLAND, Phil J.A.3, SCHOFIELD, David I.4 and WANG, Chunzeng5, (1)Department of Earth and Atmospheric Sciences, University of Alberta, Edmonton, AB T6G2E3, Canada, (2)Earth and Environmental Science, Acadia University, Wolfville, NS B4P 2R6, Canada, (3)Western Paleomagnetic and Petrophysical Laboratory, University of Western Ontario, Dept Earth Sciences, 1151 Richmond St., London, ON N6A 5B7, CANADA, (4)The Lyell Centre, Research Avenue South, Edinburgh EH14 4AP, UK, British Geological Survey, Research Avenue South, Edinburgh, Scotland EH14 4AP, United Kingdom, (5)College of Arts and Sciences, University of Maine at Presque Isle, 181 Main Street, Presque Isle, ME 04769
4:50 PM
DEFORMATION OF A CONTINENTAL MARGIN DURING SUBDUCTION POLARITY REVERSAL: APPALACHIANS OF WESTERN NEWFOUNDLAND
SCHWANGLER, Martin1, WALDRON, John W.F.2, CAMACHO, Alfredo3, DUFRANE, S. Andrew4 and KOOP, Jordan M.1, (1)Department of Earth and Atmospheric Sciences, University of Alberta, Edmonton, AB T6G2E3, Canada; Earth and Atmospheric Sciences, University of Alberta, 1-26 Earth Science Building, Edmonton, AB T6G 2E3, Canada, (2)Earth and Environmental Science, Acadia University, Wolfville, NS B4P 2R6, Canada; Earth and Atmospheric Sciences, University of Alberta, 1-26 Earth Science Building, Edmonton, AB T6G 2E3, Canada, (3)Department of Earth Sciences, University of Manitoba, Winnipeg, MB R3T 2N2, Canada, (4)Earth and Atmospheric Sciences, University of Alberta, 1-26 Earth Science Building, Edmonton, AB T6G 2E3, Canada
5:10 PM
MULTI-DETRITAL MINERAL GEOCHRONOLOGY OF SEDIMENTARY ROCKS FROM ORDOVICIAN TO DEVONIAN FOREDEEPS IN THE NEWFOUNDLAND APPALACHIANS
WANG, Lijun1, LIN, Shoufa2, VAN STAAL, Cees3, CHEW, David M.4, PEVERELLI, Veronica4 and XIAO, Wenjiao5, (1)Department of Earth and Environmental Sciences, University of Waterloo, 200 University Ave. W, Waterloo, ON N2L 3G1, Canada, (2)Department of Earth and Environmental Sciences, University of Waterloo, 200 University Ave. W., Waterloo, ON N2L 3G1, Canada, (3)Pacific Division & Earth and Environmental Sciences, Geological Survey of Canada & University of Waterloo, 605 Robson Street, Vancouver, BC V6b 5J3, Canada, (4)Department of Geology, Trinity College Dublin, Dublin, Dublin 2, Ireland, (5)State Key Laboratory of Lithospheric Evolution, Institute of Geology and Geophysics, Chinese Academy of Sciences, 19 Beitucheng West Road, Chaoyang District, Beijing, 100029, China
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