Phase Planning for Open Pit Coal Mines through Nested Pit Generation and Dynamic Programming

Table 1

Technical and economic parameter values used in the DP model.

Coal price (RMB·t^−1)	Coal mining cost (RMB·t^−1)	Rock mining cost (RMB·m^−3)	Stripping cost of UCM unconsolidated material (RMB·m^−3)	Mining recovery (%)	Coal price escalation (%)	Cost escalation (%)	Discount rate (%)
250	20	28	18	95	0.0	0.0	7.0