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Usarray Imaging Of North American Continental Crust, Xiaofei Ma
Usarray Imaging Of North American Continental Crust, Xiaofei Ma
All Graduate Theses and Dissertations, Spring 1920 to Summer 2023
The layered structure and bulk composition of continental crust contains important clues about its history of mountain-building, about its magmatic evolution, and about dynamical processes that continue to happen now. Geophysical and geological features such as gravity anomalies, surface topography, lithospheric strength and the deformation that drives the earthquake cycle are all directly related to deep crustal chemistry and the movement of materials through the crust that alter that chemistry.
The North American continental crust records billions of years of history of tectonic and dynamical changes. The western U.S. is currently experiencing a diverse array of dynamical processes including modification …