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Caltech

Seismo Lab Seminar

Friday, January 19, 2024
4:00pm to 5:00pm
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South Mudd 256 (Benioff Room)
Evolution of continental lithosphere: Insights from the eastern margin of North America
Maureen Long, Bruce D. Alexander '65 Professor and Chair of Earth & Planetary Sciences, Yale,

Continental lithosphere is deformed, destroyed, or otherwise modified in several ways. Processes that modify the lithosphere include subduction, terrane accretion, orogenesis, rifting, volcanism/magmatism, lithospheric loss or delamination, small-scale or edge-driven convection, and plume-lithosphere interaction. The eastern North American Margin (ENAM) provides an exceptional locale to study this broad suite of processes. Recent data collection efforts associated with EarthScope, GeoPRISMS, and related projects have led to a wealth of new observations in eastern North America. I will highlight recent advances in our understanding of the structure of the continental lithosphere beneath eastern North America and the processes that have modified it through geologic time, with a focus on recent geophysical imaging that has illuminated the lithosphere in unprecedented detail.

For more information, please contact Seismo Lab Seminar Committee by phone at 626-395-6919 or by email at [email protected].