Abstract
The systematical experiments carried out by Gómez-Rivas and Griera (2012) demonstrate that the ductile shear zones initiate at ∼55° to σ1 just as predicted by the MEM-criterion. However, the data are explained in terms of dilatancy, which requires many prerequisites and implies that the ±55° angle is only valid for the used material. In contrast, the ∼55° predicted by the MEM-criterion is material independent, which makes it widely applicable to explaining the development of ductile shear zones in nature.
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Zheng, Y., Zhang, J. & Wang, T. Interpretation of the experimental data provided by Gómez-Rivas and Griera (2012) in terms of the MEM-criterion. Sci. China Earth Sci. 57, 2819–2824 (2014). https://doi.org/10.1007/s11430-014-4972-7
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DOI: https://doi.org/10.1007/s11430-014-4972-7