Chemical elements

Depth

0.5 m

1.5 m

2.7 m

0

42.15

71.73

68.03

Si

3.87

15.19

15.37

C

50.33

-

-

Al

2.59

8.60

9.81

Fe

0.61

1.93

2.93

Ti

-

0.45

0.41

K

-

0.80

-

Na

-

-

1.44

Mg

0.35

1.31

1.63

Ca

-

-

0.38

100

100

100