Geometry of the edge of the North American craton

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Presentation transcript:

Geometry of the edge of the North American craton implications for strain history, partitioning, and crustal assembly 2) Nature of continental extension and driving forces for extension in the northern Rockies. northern propagation of modern“Basin and Range” tectonism 3) Connection Basement-involved foreland structures to plate processes Define Moho geometry and mantle velocities 4) Growth and modification of continental lithosphere through magmatism Idaho batholith vs. Sierras SRP 5) How, why and when are ancient structures reactivated?

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