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    Characterization of Darai Limestone Composition and Porosity Using Data-Constrained Modeling and Comparison with Xenon K-Edge Subtraction Imaging

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    Authors
    Mayo, S.
    Yang, S.
    Pervukhina, Marina
    Clennell, M.
    Esteban, L.
    Irvine, S.
    Siu, K.
    Maksimenko, A.
    Tulloh, A.
    Date
    2015
    Type
    Journal Article
    
    Metadata
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    Citation
    Mayo, S. and Yang, S. and Pervukhina, M. and Clennell, M. and Esteban, L. and Irvine, S. and Siu, K. et al. 2015. Characterization of Darai Limestone Composition and Porosity Using Data-Constrained Modeling and Comparison with Xenon K-Edge Subtraction Imaging. Microscopy and Microanalysis. 21 (4): pp. 961-968.
    Source Title
    Microscopy and Microanalysis
    DOI
    10.1017/S1431927615000653
    ISSN
    1431-9276
    School
    Department of Exploration Geophysics
    URI
    http://hdl.handle.net/20.500.11937/24983
    Collection
    • Curtin Research Publications
    Abstract

    Data-constrained modeling is a method that enables three-dimensional distribution of mineral phases and porosity in a sample to be modeled based on micro-computed tomography scans acquired at different X-ray energies. Here we describe an alternative method for measuring porosity, synchrotron K-edge subtraction using xenon gas as a contrast agent. Results from both methods applied to the same Darai limestone sample are compared. Reasonable agreement between the two methods and with other porosity measurements is obtained. The possibility of a combination of data-constrained modeling and K-edge subtraction methods for more accurate sample characterization is discussed.

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