H. Ghildiyal, E. Jansen, A. Kirfel, "Volume Texture of a Deformed Quartzite Observed With U-Stage Microscopy and Neutron Diffractometry", Texture, Stress, and Microstructure, vol. 31, Article ID 926984, 10 pages, 1999. https://doi.org/10.1155/TSM.31.239
Volume Texture of a Deformed Quartzite Observed With U-Stage Microscopy and Neutron Diffractometry
The volume texture of a naturally deformed quartzite from the Kaoko belt, North-West Namibia, has been analysed by both universal stage microscopy and neutron diffraction. Universal stage microscopy is restricted to the determination of the base pinacoid preferred orientation in quartzite. For a more complete description of the texture, the orientations of additional crystal planes, such as first and second order prisms as well as positive and negative rhombs, must be known. Neutron methods allow the evaluation of pole figures of all Bragg reflecting planes, of which those of the first order prisms being considered to be the most active slip planes, are of particular interest. Drawbacks of neutron diffraction, i.e. the faking of an eventually absent inversion centre and lack of resolution, can be overcome by pole figure inversion and subsequent calculation of desired pole figures. Both, universal stage microscopy and neutron diffraction yield well comparable results, of course only with respect to the pole figure of the c-axis.
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