Journal
GEOPHYSICAL RESEARCH LETTERS
Volume 39, Issue -, Pages -Publisher
AMER GEOPHYSICAL UNION
DOI: 10.1029/2011GL050155
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- Division Of Earth Sciences
- Directorate For Geosciences [0910987] Funding Source: National Science Foundation
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We analyze the role of slab pull acting on the Pacific plate during its early Tertiary change in motion. Slab pull forces are estimated by integrating the negative buoyancy of a 700 km long slab along a revised subduction boundary model adopting the Muller et al. (2008) seafloor age reconstructions. Our results indicate that torques predicted from a simple slab pull model match the Pacific plate Euler vectors during the Tertiary fairly well. The change of the Pacific motion at similar to 50-40 Ma appears to be driven by the onset of the Izu-Bonin-Mariana system and, soon afterwards, by the Tonga-Kermadec subduction zones. Citation: Faccenna, C., T. W. Becker, S. Lallemand, and B. Steinberger (2012), On the role of slab pull in the Cenozoic motion of the Pacific plate, Geophys. Res. Lett., 39, L03305, doi: 10.1029/2011GL050155.
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