Table 5 Hydrochemical index of Ordovician carbonate.

From: Identification of mine water sources using a multi-dimensional ion-causative nonlinear algorithmic model

Index

Na+

Ca2+

Mg2+

Cl–

SO42–

HCO3–

Minimum value

4.72

51.17

21.06

3.22

14.63

41.70

Maximum value

12.49

67.79

40.44

13.77

53.01

69.08

Average

8.26

61.23

31.65

8.15

33.67

52.93

Standard deviation

2.72

4.44

7.43

3.93

16.52

9.70

Coefficient of variation

0.33

0.07

0.23

0.48

0.49

0.18

Back to article page