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Variation in the structure of the surface layer of a heterogeneous solid (gneiss) on a shear |
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| Authors: | V. I. Vettegren’ A. V. Ponomarev K. Arora R. I. Mamalimov I. P. Shcherbakov A. V. Patonin |
| Affiliation: | 1.Ioffe Institute,Russian Academy of Sciences,St. Petersburg,Russia;2.Schmidt Institute of Physics of the Earth,Russian Academy of Sciences,Moscow,Russia;3.CSIR National Geophysical Research Institute,Hyderabad, Telangana,India;4.Borok Geophysical Observatory, Schmidt Institute of Physics of the Earth,Russian Academy of Sciences,Borok, Yaroslavl oblast,Russia |
| Abstract: | The structure of surface layers with a thickness of ~1 μm formed at destruction of gneiss is studied by means of photoluminescent and infrared spectroscopy. It is found that, in this layer, feldspar (plagioclase and microcline) crystals are completely destroyed and replaced by montmorillonite. |
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