Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/69089
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dc.contributor.authorJiao, Liqing
dc.date.accessioned2016-10-25T04:34:22Z
dc.date.available2016-10-25T04:34:22Z
dc.date.issued2016
dc.identifier.citationJiao, L. (2016). Discrete element modeling of continental deformation and volcanic spine extrusion. Doctoral thesis, Nanyang Technological University, Singapore.
dc.identifier.urihttp://hdl.handle.net/10356/69089
dc.description.abstractThe India-Asia collision zone is an example of the largest present day continental deformation, which started about 55 Ma ago. Previous unscaled 2D modeling of such deformation did not address either the growth of topographic relief or localized faulting. Here, we use the YADE Discrete Element Method (DEM) code to produce a suite of scaled 3D models of the collision. They generate two plate-scale strike-slip faults that extrude and rotate large coherent blocks. The locations, lengths, ages and offsets of the model faults are in keeping with those of the Red River and Altyn Tagh mega faults, east and north of Tibet. The model also generates plateaus similar to Tibet. Repetitive volcanic seismic events often occur at roughly constant depth, in swarms, beneath actively extruding domes or spines. Using the DEM approach and focal mechanisms during Mount St. Helens 2004-2006 eruptions, we show that necking and fracking/degassing of magma explains such seismicity.en_US
dc.format.extent325 p.en_US
dc.language.isoenen_US
dc.subjectDRNTU::Science::Geologyen_US
dc.titleDiscrete element modeling of continental deformation and volcanic spine extrusionen_US
dc.typeThesis
dc.contributor.supervisorPaul Tapponnieren_US
dc.contributor.schoolAsian School of the Environmenten_US
dc.description.degree​Doctor of Philosophy (ASE)en_US
dc.identifier.doi10.32657/10356/69089-
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