Evaluating quartz crystallographic preferred orientations and the role of deformation partitioning using EBSD and fabric analyser techniques

Mark Peternell, Pavlina Hasalova, Christopher Wilson, Sandra Piazolo, Karel Schulmann

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    Abstract

    Abstract: Quartz crystallographic preferred orientations (CPO) from three distinct orthogneisses using both the Electron Back Scatter Diffraction (EBSD) and Fabric Analyser (FA) techniques reveal a clear trend from basal <a > and rhomb <a + c > slip for high P-T conditions (670 +/- 20 degrees C/9 kbar), rhomb <a + c > and basal <a > slip for medium P-T (590 +/- 15 degrees C/6 kbar) and a dominance of prism <a > slip for lower P T conditions (
    Original languageEnglish
    Pages (from-to)803 - 817
    Number of pages15
    JournalJournal of Structural Geology
    Volume32
    Issue number6
    DOIs
    Publication statusPublished - 2010

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