Major

Oxides

SAMPLE Nos.

D25

D30

D34

D41

BP14

BP19

NB9

NB14

B5

B12

Avg.

SiO₂

54.14

65.47

52.49

63.54

62.24

69.33

59.81

57.43

51.55

61.39

59.74

Al₂O₃

9.02

13.58

8.38

9.35

9.14

12.41

8

8.4

9.57

9.99

9.78

Fe₂O₃

2.36

5.98

2.18

3.84

2.44

3.97

2.95

2.1

2.77

4.15

3.27

CaO

16.16

1.33

16.29

8.39

8.61

0.86

12.23

14.66

17.01

4.21

9.97