Table 3 Area of different Spatial trends in RSEI at various levels of the mine and their percentages.
Mine grade | RSEI | Trends RSEI | 2000–2020 | |
|---|---|---|---|---|
Land area (km2) | Percentage | |||
Level I | Rise | SR | 9722.99 | 84.57 |
NSR | 1339.99 | 11.66 | ||
Relative stable | RS | 107.73 | 0.94 | |
Decline | NSD | 209.66 | 1.82 | |
SD | 116.02 | 1.01 | ||
Level II | Rise | SR | 3394.31 | 52.97 |
NSR | 1822.28 | 28.44 | ||
Relative stable | RS | 248.61 | 3.88 | |
Decline | NSD | 624.83 | 9.75 | |
SD | 318.22 | 4.97 | ||
Level III | Rise | SR | 8664.76 | 54.63 |
NSR | 4592.59 | 28.96 | ||
Relative stable | RS | 612.40 | 3.86 | |
Decline | NSD | 1200.77 | 7.57 | |
SD | 788.91 | 4.97 | ||
