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

Session No. 18
Saturday, 29 March 2025: 8:00 AM-12:00 PM
120 (Bayfront Convention Center)

T9. Tectonic Processes in the Circum-Atlantic Orogens II: 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
18-1
8:00 AM
THE COBEQUID HIGHLANDS OF NORTHERN MAINLAND NOVA SCOTIA, CANADA: EVIDENCE FOR TONIAN AND EDIACARAN MAGMATIC ARCS IN AVALONIA
BARR, Sandra1, WHITE, Chris E.2, VAN ROOYEN, Deanne2, SMITH, Amanda M.2, DAVIES, Tiernan2, LINNEMANN, Ulf3, ZIEGER, Johannes3 and ZIEGER-HOFMANN, Mandy3, (1)Earth and Environmental Science, Acadia University, Wolfville, NS B4P2R6, Canada, (2)Earth and Environmental Science, Acadia University, Wolfville, NS B4P 2R6, Canada, (3)Senckenberg Naturhistorische Sammlungen Dresden, Museum für Mineralogie und Geologie, Königsbrücker Landstraße 159, Dresden, Saxony 01109, Germany
18-2
8:20 AM
NEW PALEOLATITUDE CONSTRAINT FOR AVALONIA AND LAURENTIA AT 415 MA FROM THE KNOYDART FORMATION RED BEDS, ANTIGONISH HIGHLANDS, NOVA SCOTIA
MCCAUSLAND, Phil J.A., Western Paleomagnetic and Petrophysical Laboratory, University of Western Ontario, Dept Earth Sciences, 1151 Richmond St., London, ON N6A 5B7, CANADA; Earth and Planetary Sciences, Yale University, 210 Whitney Ave, New Haven, CT 06520-8109, MURPHY, J. Brendan, Department of Earth Sciences, St. Francis Xavier University, Antigonish, NS B2G 2W5, Canada and WALDRON, John W.F., Earth and Atmospheric Sciences, University of Alberta, 1-26 Earth Science Building, Edmonton, AB T6G 2E3, Canada
18-3
8:40 AM
FOLDED THRUST PANELS, MÉLANGES, AND OBLIQUE CLEAVAGE-FOLD RELATIONSHIPS FORMED DURING THE SALINIC AND ACADIAN OROGENIC CYCLES IN ACCRETED OCEANIC ROCKS OF THE FOURNIER SUPERGROUP AND ASSOCIATED SYNOROGENIC SILURIAN COVER ROCKS IN NORTHERN NEW BRUNSWICK, CANADA
VAN STAAL, Cees, Pacific Division & Earth and Environmental Sciences, Geological Survey of Canada & University of Waterloo, 605 Robson Street, Vancouver, BC V6b 5J3, Canada, WILSON, Reginald, Geological Surveys Branch, (emeritus)., New Brunswick Department of Energy and Mines, PO Box 50,, Bathurst, NB E2A 3Y2, Canada and HAYWARD, Nathan, Pacific Division, Geological Survey of Canada, 605 Robson Street, Vancouver, BC V6B 5J3, Canada
18-4
9:00 AM
IDENTIFICATION OF A MESOZOIC METAMORPHIC CORE COMPLEX IN SOUTHEASTERN NEW ENGLAND
WINTSCH, Robert, Dept Earth and Environmental Sciences, Wesleyan University, 265 Church St., Middletown, CT 06459
18-5
9:20 AM
TESTING FOR CHANNEL FLOW ALONG THE NASHOBA-AVALON TERRANE BOUNDARY IN EASTERN MASSACHUSETTS
AROLKAR, Nikhil1, SIMONEAU, Victoria1, KUIPER, Yvette1, LINK, Frederik2 and LONG, Maureen D.2, (1)Department of Geology and Geological Engineering, Colorado School of Mines, Berthoud Hall, 1516 Illinois St, Golden, CO 80401, (2)Department of Earth and Planetary Sciences, Yale University, 210 Whitney Ave, New Haven, CT 06511
18-6
9:40 AM
AGE RELATIONSHIPS BETWEEN JOINT SETS IN THE EASTERN CATSKILL MOUNTAINS, NEW YORK, AND THEIR TECTONIC SIGNIFICANCE WITH RESPECT TO WNW SHORTENING IN THE HUDSON VALLEY FOLD-THRUST BELT
DOWER, Myles and VOLLMER, Frederick, Geology, SUNY New Paltz, 1 Hawk Drive, New Paltz, NY 12561
 
10:00 AM
Break
18-7
10:15 AM
GEOGRAPHIC AND STRATIGRAPHIC DISTRIBUTION OF SEISMITES—OPENING A NEW WINDOW TO OHIO’S SEISMIC HISTORY
FAKHARI, Mohammad, Ohio Department of Natural Resources, Division of Geological Survey, 2045 Morse Rd, Building B, Columbus, OH 43229
18-8
10:35 AM
INTEGRATING OBSERVATIONS OF ALLEGHANIAN PLUTONISM, THRUST FAULTING, LITHOSPHERIC DELAMINATION, AND THE FINAL CLOSURE OF THE RHEIC OCEAN IN THE CAROLINAS AND GEORGIA
DENNIS, Allen, Biological , Environmental, and Earth Sciences, University of South Carolina Aiken, Aiken, SC 29801 and ANDERSON, Anthony, University of South Carolina Aiken, Aiken, SC 29801
18-9
10:55 AM
TOWARDS MORE PRECISE PALAEOGEOGRAPHY USING ZIRCON AGE DATABASES
GÄRTNER, Andreas, ZIEGER-HOFMANN, Mandy, ZIEGER, Johannes, SAGAWE, Anja and LINNEMANN, Ulf, Senckenberg Naturhistorische Sammlungen Dresden, Museum für Mineralogie und Geologie, Königsbrücker Landstraße 159, Dresden, Saxony 01109, Germany
18-10
11:15 AM
OROCLINAL OROGENS: MANTLE WIND BLOWN POND SCUM?
JOHNSTON, Stephen, Earth and Atmospheric Sciences, University of Alberta, 1-26 Earth Sciences, Edmonton, AB T6G 2E3, Canada
18-11
11:35 AM
SUPERCONTINENT PANNOTIA: A CAUTIONARY TALE
NANCE, R. Damian, Department of Earth and Environmental Geosciences, Ohio University, Athens, OH 45701 and MURPHY, J. Brendan, Department of Earth and Environmental Sciences, St. Francis Xavier University, Box 1623, Nova Scotia, Antigonish, NS B2G 2W5, Canada
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