Table 11 Simulation results of key indexes under different unit carbon tax price.

From: Decision-making model for production and operation of underground gold mines considering low-carbon condition

Range

Carbon emission (104 t/year)

Service time of the mining area (year)

Gold throughput (kg/year)

I

II

III

-40%

43.0

8

8

9

10,193

-30%

41.5

8

8

9

10,003

-20%

39.9

8

9

9

9830

-10%

38.7

8

9

9

9680

0

37.3

8

9

10

9523

10%

36.1

9

9

10

9364

20%

35.6

9

9

10

9297

30%

34.9

9

9

10

9218

40%

31.9

9

10

11

8771