Insights into dyke emplacement mechanisms using new high-resolution 3D digital outcrop methods

Gregory Dering

Research output: ThesisDoctoral Thesis

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Abstract

Mechanics and dynamics of magmatic dyke emplacement, including tip zone rupture, segment linkage, and dyke-parallel shear failure are elucidated by high precision digital outcrop analysis. New approaches are derived for the structural analysis of dykes that employ digital photogrammetry and Unmanned Aerial Vehicles to capture 3D measurements at exceptionally high resolution (3-5 mm per pixel) across 5 orders of magnitude (10‾2 to 102 m), which are applied to outstanding exposures of dyke swarms from Albany, southwestern Australia, and the Sierra Nevada, USA and compared analytical solutions from linear elasticfracture mechanics.
Original languageEnglish
QualificationDoctor of Philosophy
Awarding Institution
  • The University of Western Australia
Supervisors/Advisors
  • Fiorentini, Marco, Supervisor
  • Tohver, Eric, Supervisor
  • Gee, Mary, Supervisor
  • Barnes, Steve, Supervisor
  • Callow, Nik, Supervisor
  • Micklethwaite, Steven, Supervisor
Award date17 Feb 2020
DOIs
Publication statusUnpublished - 2020

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