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Geodynamics of oceanic plateau and plume head accretion and their role in Phanerozoic orogenic systems of China

Betts, P; Moresi, Louis Noel; Miller, Meghan; Willis, David

Description

We present three 3D numerical models of deep subduction where buoyant material from an oceanic plateau and a plume interact with the overriding plate to assess the influence on subduction dynamics, trench geometry, and mechanisms for plateau accretion and continental growth. Transient instabilities of the convergent margin are produced, resulting in: contorted trench geometry; trench migration parallel with the plate margin; folding of the subducting slab and orocline development at the...[Show more]

CollectionsANU Research Publications
Date published: 2015
Type: Journal article
URI: http://hdl.handle.net/1885/153273
Source: Geoscience Frontiers (Previously Earth Science Frontiers)
DOI: 10.1016/j.gsf.2014.07.002

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