Friction-Induced Changes in the Surface Structure of Basalt and Granite
| Autor: | V. I. Vettegren, V. B. Kulik, I. P. Shcherbakov, Alexander V. Ponomarev, R. I. Mamalimov, Kusumita Arora |
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| Rok vydání: | 2018 |
| Předmět: |
010302 applied physics
Basalt Mineral Materials science Photoluminescence Mineralogy 02 engineering and technology 021001 nanoscience & nanotechnology Condensed Matter Physics 01 natural sciences Electronic Optical and Magnetic Materials symbols.namesake Albite 0103 physical sciences symbols Surface layer 0210 nano-technology Spectroscopy Raman spectroscopy Quartz |
| Zdroj: | Physics of the Solid State. 60:975-980 |
| ISSN: | 1090-6460 1063-7834 |
| DOI: | 10.1134/s1063783418050359 |
| Popis: | Friction-induced changes in the structure of the surface layer of basalt and granite samples extracted from a well in the triggered seismicity zone in the Koyna–Warna region, India, have been studied by infrared, Raman, and photoluminescence spectroscopy. It has been found that friction leads to a partial degradation of quartz, albite, and clinopyroxenes crystals. Instead of these crystals, a thin layer of a mineral with a low coefficient of friction—kaolinite—is formed on the surface. |
| Databáze: | OpenAIRE |
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