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    Listening Through Rock Salt: Quantifying Petrofabrics and Seismic Velocity Anisotropy of Evaporites to Improve Seismic Imaging

    Heeb J 2021 Public 2years.pdf (28.97Mb)
    Access Status
    Open access
    Authors
    Heeb, Johanna
    Date
    2021
    Supervisor
    Nick Timms
    Chris Elders
    Type
    Thesis
    Award
    PhD
    
    Metadata
    Show full item record
    Faculty
    Science and Engineering
    School
    School of Earth and Planetary Sciences
    URI
    http://hdl.handle.net/20.500.11937/89361
    Collection
    • Curtin Theses
    Abstract

    Evaporitic rocksalt formations are polymineralic, structurally heterogeneous, and the minerals display fabrics crystallographic and shape preferred orientations. Both contribute to seismic velocity anisotropy to an unknown extend. A workflow including a new grain boundary intercept quantification method is presented and tested on numerical simulation with different phase content and strain geometry. Acoustic wave velocity of natural anhydrite samples was measured. Hydration of anhydrite was achieved for the first time under stress in triaxial experiments.

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