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- T51D-0110: Oceanic plateau capture model for the origin of the Bering Sea from integration of potential fields and seismic reflection data
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Board 0110‚ Hall EFG (Poster Hall)NOLA CC
Author(s):Generic 'disconnected' Message
Estefani Ruiz Toro, University of Houston (First Author, Presenting Author)
Paul Mann, University of Houston
The Bering Sea is one of the largest ocean basins on Earth, but its tectonic origins are still debated. Some scientists believe it formed through back-arc spreading behind the Aleutian volcanic arc, while others suggest it formed when a large block of oceanic crust was captured during a major plate collision. To test these ideas, we used gravity, magnetic, heat flow, and seismic data to study the structure of the seafloor and surrounding regions. Our findings suggest the Bering Sea is underlain by thick oceanic crust that was likely trapped in place when the subduction zone shifted. We also identified a major strike-slip fault system and signs of crustal compression in nearby mountains, which support the idea of past collision and tectonic reorganization. This research helps explain how subduction zones can start or shift and how large ocean basins like the Bering Sea form.
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