Record Details

Seismoturbidite record as preserved at core sites at the Cascadia and Sumatra–Andaman subduction zones

ScholarsArchive at Oregon State University

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Title Seismoturbidite record as preserved at core sites at the Cascadia and Sumatra–Andaman subduction zones
Names Patton, J. R. (creator)
Goldfinger, C. (creator)
Morey, A. E. (creator)
Romsos, C. (creator)
Black, B. (creator)
Djadjadihardja, Y. (creator)
Udrekh (creator)
Date Issued 2013-04-04 (iso8601)
Note This is the publisher’s final pdf. The published article is copyrighted by Copernicus Publications and can be found at: http://publications.copernicus.org/home.html.
Abstract Turbidite deposition along slope and trench settings is evaluated for the Cascadia and Sumatra-Andaman subduction zones. Source proximity, basin effects, turbidity current flow path, temporal and spatial earthquake rupture, hydrodynamics, and topography all likely play roles in the deposition of the turbidites as evidenced by the vertical structure of the final deposits. Channel systems tend to promote low-frequency components of the content of the current over longer distances, while more proximal slope basins and base-of-slope apron fan settings result in a turbidite structure that is likely influenced by local physiography and other factors. Cascadia's margin is dominated by glacial cycle constructed pathways which promote turbidity current flows for large distances. Sumatra margin pathways do not inherit these antecedent sedimentary systems, so turbidity currents are more localized.
Genre Article
Access Condition http://creativecommons.org/licenses/by-nc-nd/3.0/us/
Topic San Andreas Fault
Identifier Patton, J., Goldfinger, C., Morey, A., Romsos, C., Black, B., Djadjadihardja, Y., & Udrekh. (2013). Seismoturbidite record as preserved at core sites at the cascadia and sumatra-andaman subduction zones. Natural Hazards and Earth System Sciences, 13(4), 833-867. doi:10.5194/nhess-13-833-2013

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