Seismic and mechanical attributes of lithospheric deformation and subduction in western Canada

Audet, Pascal

Publication date

January 2008

Publisher

University of British Columbia

Abstract

Convergent continental margins are regions of intense deformation caused by the interaction of oceanic plates with continents. The spatial extent of deformation is broadly commensurate with the specific time scale of the causative phenomenon. For example, subduction-related short-term deformation is limited to <200 km from the margin, whereas long-term plate convergence cause deformation over ∼1000 km landward. Deformation is thus manifested in multiple ways, with attributes depending on the scale of measurement. In this thesis we investigate the use of two geophysical approaches in the study of deformation: 1) The analysis of potential-field anomalies to derive estimates of the elastic thickness (Te) of the lithosphere, and 2) The structur...

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Seismic and mechanical attributes of lithospheric deformation and subduction in western Canada

Abstract

Extracted data

Seismic and mechanical attributes of lithospheric deformation and subduction in western Canada

Abstract

Extracted data

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