Elements wt%

O

Na

Mg

Al

Si

P

K

Ca

Fe

C

Spot 1

48.02

1.03

4.81

4.27

36.97

0.5

1.44

0.89

2.08

Spot 2

43.46

0.69

4.06

7.52

20.26

0.1

2.5

4.99

3.5

12.93

Spot 3

42.84

0.74

5.09

6.55

30.12

0.23

1.94

0.74

3.09

8.67

Spot 4

38.05

0.71

1.58

8.87

29.95

0.33

2.97

1.28

7.88

8.36

Spot 5

31.45

0.19

1.26

10.98

30.19

0.4

3.51

2.49

7.96

11.57

Spot 6

50.18

1.74

1.58

5.03

24.94

0.51

1.58

1.81

3.41

9.22