Wt.%

Neogene mudrocks from Sitakund Anticline

NASC

PASS

Wedepohl

UC

SiO₂

59.90

64.80

62.80

58.9

66.00

TiO₂

1.01

0.70

1.00

0.78

0.50

Al₂O₃

19.33

16.90

18.90

16.7

15.20

Fe₂O₃

8,72

5.65

7.22

6.91

5.00

MnO

0.12

0.06

0.11

0.09

0.08

MgO

2.86

2.86

2.20

2.6

2.20

CaO

1.84

3.63

1.30

2.2

4.20

Na₂O

1.04

1.14

1.20

1.6

3.90

K₂O

4.33

3.97

3.70

3.6

3.40

P₂O₅

0.17

0.13

0.16

0.16

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