Au (mg/ton)

As (ppm

Pb (ppm)

Sn (ppm)

Bi (ppm)

W (ppm)

Zn (ppm)

Li (ppm)

Number of values

14

46

44

37

5

17

39

45

Minimum

5

1

15

3

4

9

38

10

Maximum

30

37

123

140

38

82

292

49

Mean

10.6

13.00

64.34

48.24

21.80

34.70

193.60

26.00

Median

10

11.00

65.00

51.00

24.00

31.00

190.00

24.00

Average

10.64

12.97

64.34

48.24

21.80

54.71

193.61

26.04

Standard deviation

5.96

8.62

28.75

36.20

12.90

21.00

69.94

10.60

Threshold 1 = mean + 2SD

22.52

30.20

121.84

120.64

47.60

76.70

333.48

47.20

Threshold 2 = median + 2SD

21.91

28.24

122.50

123.40

49.80

73.00

330.48

45.20