Distribution and Identification of Sources of Heavy Metals in the Voghji River Basin Impacted by Mining Activities (Armenia)

Table 4

Correlation between metals in water of the Voghji River and its tributaries ( > 0.7).

WS	Pearson’s coefficients of correlations between metals
1	Cu-V (0.70)
2	Cd-Se (0.88), Mo-Cd (0.84), Mo-Se (0.81), Pb-Ti (0.79), Mo-As (0.78), Fe-Mn (0.78), V-Ti (0.75) Se-As (0.74), V-As (0.72), Cd-As (0.70), V-Co (0.70), Pb-Fe (0.70)
3	Mo-As (0.88), Mo-Cd (0.76), Ti-Fe (0.74), Cu-Fe (0.72), Cd-As (0.70)
4	Mo-As (0.95), Cu-Zn (0.89), Sb-As (0.88), Mo-V (0.86), Mo-Sb (0.86), As-V (0.85), Cu-Co (0.82), Co-Zn (0.81), Cd-Zn (0.79), Co-Mn (0.77), Cd-Sb (0.73), Cd-Co (0.72), Sb-V (0.71)
5	Mn-Fe (0.74), Mn-Ti (0.71)
6	As-V (0.76), Pb-Co (0.73), Zn-Cu (0.73), Cu-V (0.70), Cu-Co (0.70), Fe-Cr (0.70), Fe-Ti (0.70), Ti-Cr (0.70)
7	Fe-Ti (0.87), Fe-Co (0.85), Fe-V (0.84), Sb-Co (0.82), V-Ti (0.80), Pb-Ti (0.77), Co-V (0.75), Fe-Pb (0.72), Fe-Sb (0.72), Fe-Cu (0.72), Co-Ti (0.71), Mo-Cr (0.70)
8	Cd-Mo (0.93), As-Mo (0.86), Fe-Pb (0.85), Cu-V (0.84), Fe-Ti (0.83), Cd-As (0.79), Cu-Ti (0.79), Pb-Ti (0.75), Cu-Co (0.75), Cu-Cr (0.73), Fe-Cu (0.72), Cr-Mn (0.72), Ti-V (0.71), Cr-V (0.70), Co-V (0.70), Co-Ti (0.70), Fe-V (0.70), Mn-Ti (0.70), Pb-Ti (0.70)