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168 T178. Laurentia Without Borders: Pre-Pangea Intercontinental Connections


Session Chairs:
Ian W.D. Dalziel, Staci L. Loewy, Patricia W. Dickerson, Joshua R. Malone

The ancient core of North America is surrounded by Neoproterozoic to early Paleozoic rifts, indicating former juxtaposition with several other cratons. This session will explore these former connections and their paleogeographic, tectonic, and paleoenvironmental implications.



Presentations

Paper No. Title Presenting Author Start Time End Time Item Duration (min) Action
Introductory Remarks 08:00 AM 08:05 AM 5 min
168-1 Long-lived Proterozoic Triad of Western Laurentia, Australia and Antarctica within Nuna and Rodinia John Goodge 08:05 AM 08:25 AM 20 min View
168-2 The Thermal Legacy of Pannotia Amalgamation J. Brendan Murphy 08:25 AM 08:45 AM 20 min View
168-3 Coats Land, a Piece of West Texas in Antarctica Staci Loewy 08:45 AM 09:00 AM 15 min View
168-4 The Ellsworth-Coats Land (Antarctic) Promontory of Laurentia Ian Dalziel 09:00 AM 09:15 AM 15 min View
168-5 What’s under the ice? Implications for Precambrian Antarctic terrane architecture from Pb isotope geochemistry of Proterozoic granite till clasts from the Transantarctic Mountains Richard Gaschnig 09:15 AM 09:30 AM 15 min View
Break 09:30 AM 09:45 AM 15 min
168-6 Peripatetic Laurentian Terranes: Relations of Cuyania and the Ellsworth-Whitmore Mountains Block to the Laurentian 'Mainland' Patricia Dickerson 09:45 AM 10:00 AM 15 min View
168-7 A Mesoproterozoic Tectonic and Metallogenic link between Laurentia and Southeastern Australia: New Evidence from Tasmania’s Rocky Cape Group Sheree Armistead 10:00 AM 10:15 AM 15 min View
168-8 New insights on the Gaskiers timing, volcanic rifted margin setting and orbitally forced cyclicity of the mid-Ediacaran Wonoka canyons of South Australia Nicholas Christie-Blick 10:15 AM 10:30 AM 15 min View
168-9 A 3.82 Ga granodioritic gneiss with Hadean xenocrystic zircon grains in the Bridger Range, Montana: Remnants of Earth's early crust Rebekah Kennedy 10:30 AM 10:45 AM 15 min View



Laurentia Without Borders: Pre-Pangea Intercontinental Connections

Description


Date and Time: Tuesday, 21 Oct - 8:00 AM (Central Time (US & Canada))

Room: HBGCC, 217C

Session Type: Topical Sessions

Session Format: Oral


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