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Effects of hydration on the microstructure and physical properties of shale
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Huaqing XUE,Shangwen ZHOU,Yali JIANG,Fudong ZHANG,Zhen DONG,Wei GUO
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Table 1 TOC content and mineral components of shale samples.
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| Sample No. | TOC/% | Non-clay mineral content/% | Clay mineral content/% | | Quartz | Feldspar | Calcite | Dolomite | Pyrite | Illite | Illite/smectite mixed-layer | Chlorite | | W-1 | 1.4 | 33 | 10 | 10 | 9 | 3 | 16 | 14 | 5 | | W-2 | 2.1 | 30 | 8 | 11 | 8 | 4 | 17 | 15 | 7 | | W-3 | 3.0 | 36 | 11 | 10 | 6 | 4 | 12 | 9 | 12 | | W-4 | 4.5 | 31 | 4 | 17 | 17 | 4 | 8 | 12 | 7 | | W-5 | 5.3 | 40 | 10 | 7 | 12 | 9 | 9 | 8 | 5 |
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