Monash University
Nathan Paul Gardiner THESIS 25042020.pdf (58.88 MB)

A stratigraphic record of subduction geodynamics

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posted on 2020-04-27, 07:35 authored by Nathan Gardiner
Subduction occurs at the boundaries of tectonic plates, when one plate is forced below another. This process is responsible for the creation of the world’s great mountain ranges. This thesis examines a 100 million year old subduction boundary in New Zealand to try to better understand what happens when subduction ends. This thesis examined stacking patterns of sedimentary rocks in Marlborough, which revealed that as subduction shut-down in New Zealand, the land surface experienced kilometre scale changes in elevation and volcanic eruptions. These changes where the result of the tearing-off of part of the tectonic plate as subduction ended.


Campus location


Principal supervisor

Walter David Michael Hall

Additional supervisor 1

Sandy Cruden

Year of Award


Department, School or Centre

Earth, Atmosphere and Environment


Doctor of Philosophy

Degree Type



Faculty of Science