Comparison of quartz crystallographic preferred orientations identified with optical fabric analysis, electron backscatter and neutron diffraction techniques

N.J.R. Hunter; C.J.L. Wilson; V. Luzin

doi:10.1111/jmi.12472

journal article Sep 22, 2016

Comparison of quartz crystallographic preferred orientations identified with optical fabric analysis, electron backscatter and neutron diffraction techniques

N.J.R. Hunter

C.J.L. Wilson V. Luzin

Journal of Microscopy Vol. 265 No. 2 pp. 169-184 · Wiley

View at Publisher Save 10.1111/jmi.12472

Abstract

SummaryThree techniques are used to measure crystallographic preferred orientations (CPO) in a naturally deformed quartz mylonite: transmitted light cross‐polarized microscopy using an automated fabric analyser, electron backscatter diffraction (EBSD) and neutron diffraction. Pole figure densities attributable to crystal‐plastic deformation are variably recognizable across the techniques, particularly between fabric analyser and diffraction instruments. Although fabric analyser techniques offer rapid acquisition with minimal sample preparation, difficulties may exist when gathering orientation data parallel with the incident beam. Overall, we have found that EBSD and fabric analyser techniques are best suited for studying CPO distributions at the grain scale, where individual orientations can be linked to their source grain or nearest neighbours. Neutron diffraction serves as the best qualitative and quantitative means of estimating the bulk CPO, due to its three‐dimensional data acquisition, greater sample area coverage, and larger sample size. However, a number of sampling methods can be applied to FA and EBSD data to make similar approximations.

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Details

Published: Sep 22, 2016
Vol/Issue: 265(2)
Pages: 169-184
License: View

Authors

N

N.J.R. Hunter

School of Earth, Atmosphere and Environment Monash University Victoria Australia

C

C.J.L. Wilson

School of Earth, Atmosphere and Environment Monash University Victoria Australia

V

V. Luzin

Australian Nuclear Science and Technology Organization (ANSTO), Bragg Institute Lucas Heights NSW Australia

Funding

Australian Nuclear Science and Technology Organisation Award: P3418

Cite This Article

N.J.R. Hunter, C.J.L. Wilson, V. Luzin (2016). Comparison of quartz crystallographic preferred orientations identified with optical fabric analysis, electron backscatter and neutron diffraction techniques. Journal of Microscopy, 265(2), 169-184. https://doi.org/10.1111/jmi.12472

Comparison of quartz crystallographic preferred orientations identified with optical fabric analysis, electron backscatter and neutron diffraction techniques

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