Articles | Volume 5, issue 2
https://doi.org/10.5194/se-5-1099-2014
https://doi.org/10.5194/se-5-1099-2014
Research article
 | 
18 Nov 2014
Research article |  | 18 Nov 2014

Finite lattice distortion patterns in plastically deformed zircon grains

E. Kovaleva, U. Klötzli, G. Habler, and E. Libowitzky

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Cited articles

Akchurin, M. Sh., Zakalyukin, R. M., Kaminsky, A. A., and Kupenko, I. I.: Role of Twinning in Plastic Deformation, Crystallogr. Rep., 55, 621–625, 2010.
Bachmann, F., Hielscher, R., and Schaeben, H.: Texture Analysis with MTEX – Free and Open Source Software Toolbox, Sol. St. Phen., 160, 63–68, 2010.
Bachmann, F., Hielscher, R., and Schaeben, H.: Grain detection from 2d and 3d EBSD data-specification of the MTEX algorithm, Ultramicroscopy, 111, 1720–1733, 2011.
Barboza, S. A., Bergantz, G. W., and Brown, M.: Regional granulite facies metamorphism in the Ivrea zone: is the Mafic Complex the smoking gun or a red herring?, Geology, 27, 447–450, 1999.
Behrmann, J. H.: Crystal plasticity and superplasticity in quartz: a natural example, Tectonophysics, 115, 101–129, 1985.
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Short summary
Three types of lattice distortion patterns in deformed zircon are detected: (I) gradual bending of the crystal lattice without subgrain boundaries, (II) local gradual bending of the lattice with formation of semicircular subgrain boundaries, and (III) strain-free subgrains separated by subgrain boundaries. The difference is controlled by strain rate and differential stress. Activation of energetically preferable slip systems is facilitated by decoupling from matrix and/or by soft host mineral.