Type

Granites

Schistes et Volcano-sediment

Mafic volcanic

Surface water

Min

Max

Median

n

Min

Max

Median

n

Min

Max

Median

n

Min

Max

Median

n

Al

16

700

257

9

12

166

55

6

7

813

104.5

6

71

797

98

5

Cd

0

0.8

0.1

9

0.1

0.9

0.35

6

0.1

1.4

0.45

6

0

0.5

0.1

5

Cr

0.69

3.87

1.61

9

0.54

1.43

1.1

6

0.65

7.72

3.55

6

0.61

10.38

1.1

5

Mn

5

120

20

9

2

166

25.5

6

39

643

118.5

6

19

1107

26

5

Fe

73

443

181

9

59

244

168

6

41

207

109.5

6

77

534

112

5

Co

0.26

2.41

0.44

9

0.23

1.04

0.56

6

0.37

210.2

2.84

6

0.32

8.61

0.64

5

Pb

1

6.8

1.5

9

1

2

1.4

6

1

4.1

1.9

6

1

2.8

1.5

5

As

0.19

1.83

0.51

9

0.28

4.39

1.57

6

0.26

1.75

0.7

6

0.31

0.81

0.61

5

Zn

4

2393

9

9

7

30

20

6

9

77

30.5

6

4

40

10

5

Ni

1.2

4.3

2

9

1.7

4.1

3

6

1.8

890.2

8.45

6

1.1

13.8

1.6

5