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Identification of kinematic boundary conditions triggering removal of material in tectonically erosive margins : insight from scaled physical experiments

Albert, F. (2013): Identification of kinematic boundary conditions triggering removal of material in tectonically erosive margins: insight from scaled physical experiments, PhD Thesis, (Scientific Technical Report ; 13/10), Potsdam : Deutsches GeoForschungsZentrum GFZ, II, 150 p.
DOI: http://doi.org/10.2312/GFZ.b103-13109



http://gfzpublic.gfz-potsdam.de/pubman/item/escidoc:143869
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1310.pdf
(Publisher version), 14MB

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Abstract
This study represents the first investigating potential kinematic boundary conditions for subduction erosion in a systematic manner. For the subduction erosional process, the aperture at the box's rear, which allowed rearward material loss, was shown to have the largest influence on obtained results. If the amount of material leaving the system was larger than the amount of material subducted at the wedge's toe, the margin evolved as erosional. We found the surface slope to be the second important parameter, which strongly controls the amount of basally eroded material.