Table 8 Comparison of the area and percentages of relative tectonic complexity of the exposed area of the No. 3 coal seam in the Sangshuping coal mine.
Evaluation method | Relative tectonic complexity | Total | ||||
---|---|---|---|---|---|---|
Complex | Medium | Simple | ||||
Quantitative evaluation based on the entropy function | Northern exposed area | Area (km2) | 0.03 | 2.61 | 1.71 | 4.35 |
Percentage (%) | 0.69 | 60.00 | 39.31 | 100.00 | ||
Southern exposed area | Area (km2) | 0.03 | 0.84 | 1.39 | 2.26 | |
Percentage (%) | 1.33 | 37.17 | 61.50 | 100.00 | ||
Predictive evaluation based on the regression equation | Northern exposed area | Area (km2) | 0.00 | 2.11 | 2.24 | 4.35 |
Percentage (%) | 0.00 | 48.51 | 51.49 | 100.00 | ||
Southern exposed area | Area (km2) | 0.00 | 0.28 | 1.98 | 2.26 | |
Percentage (%) | 0.00 | 12.39 | 87.61 | 100.00 |