Research Article
Microscopic Pore Structures and Their Controlling Factors of the Lower Carboniferous Luzhai Shale in Guizhong Depression, China
Table 1
Basic compositions of the C1lz shale sample.
| | Sample ID | Quantitative analysis of whole-rock minerals (wt%) | TOC (%) | (%) | | Quartz | K-feldspar | Plagioclase | Calcite | Dolomite | Pyrite | Clay |
| | GRY-1 | 40.20 | 0.00 | 0.00 | 32.40 | 5.40 | 3.10 | 18.90 | 1.09 | 2.62 | | GRY-2 | 45.80 | 0.00 | 1.10 | 21.90 | 5.70 | 2.70 | 22.80 | 0.69 | 2.65 | | GRY-3 | 45.00 | 0.00 | 0.90 | 9.60 | 19.70 | 3.30 | 21.50 | 1.20 | 2.67 | | GRY-4 | / | / | / | / | / | / | / | 0.86 | 2.69 | | GRY-5 | 55.00 | 0.00 | 1.40 | 1.00 | 1.80 | 0.00 | 40.80 | 1.50 | 2.66 | | GRY-6 | / | / | / | / | / | / | / | 2.23 | 2.84 | | GRY-7 | 45.00 | 0.00 | 0.00 | 17.00 | 0.00 | 3.00 | 35.00 | 1.39 | 2.87 | | GLD-1 | 43.60 | 2.00 | 3.70 | 3.40 | 3.60 | 4.70 | 39.00 | 1.05 | 2.22 | | GLD-2 | 49.90 | 1.70 | 6.70 | 5.00 | 14.80 | 7.20 | 14.70 | 1.03 | 2.24 | | GLD-3 | 40.00 | 0.30 | 2.90 | 1.40 | 29.20 | 5.70 | 20.50 | 1.02 | 2.30 | | PM-A1 | 59.50 | 0.00 | 12.50 | 0.00 | 2.70 | 0.00 | 25.30 | 1.97 | 2.05 | | PM-A2 | 55.00 | 0.00 | 2.00 | 3.00 | 2.50 | 7.00 | 30.50 | / | / | | PM-A3 | 55.10 | 0.00 | 1.50 | 0.70 | 0.00 | 0.00 | 42.70 | 1.20 | / | | PM-A4 | 45.00 | 0.00 | 4.20 | 40.10 | 0.00 | 0.00 | 10.70 | 0.71 | / | | PM-B1 | 45.00 | 0.00 | 4.20 | 29.20 | 0.00 | 5.70 | 15.90 | 1.47 | / | | PM-B2 | 50.00 | 0.80 | 1.00 | 10.40 | 5.80 | 6.10 | 25.90 | 1.80 | 2.25 | | PM-B3 | 54.90 | 0.00 | 7.80 | 0.00 | 5.50 | 3.50 | 28.30 | 2.20 | 2.19 | | PM-B4 | 53.50 | 0.90 | 5.10 | 0.00 | 0.00 | 4.60 | 35.90 | 2.04 | 2.31 | | PM-B5 | 58.90 | 0.00 | 1.00 | 0.00 | 0.00 | 0.60 | 39.50 | 1.60 | / |
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