Au

(mg/ton)

As (ppm)

Cu

(ppm)

Pb

(ppm)

Sn

(ppm)

Mo

(ppm)

Bi

(ppm)

W

(ppm)

Zn

(ppm)

Li

(ppm)

Number of values

19

35

27

35

46

13

24

11

49

48

Minimum

5

1

1

1

3

2

1

3

1

5

Maximum

50

32

120

82

150

50

10

36

200

198

Mean

15.4

11.7

22.63

31.2

22.85

15.8

4.1

12.7

56.8

67.4

Median

10

10

5

25

17

9

3

9

42

42.5

Average

15.37

11.74

22.63

31.23

22.85

15.76

4.1

12.73

56.8

67.4

Standard deviation

14.3

7.64

37.2

25.3

25.83

16.5

2.4

10.7

48.14

58.67

Threshold 1 = mean + 2 SD

44

26.98

97.03

73.23

82.86

48.8

8.9

34.1

153.08

184.74

Threshold 2 = median + 2 SD

38.6

25.28

79.4

75.6

68.66

42

7.8

30.4

138.28

159.84